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| +5v y? rs-232 z? /
l 19-4323; rev 16; 7/10 _____________________________ ?? part MAX220cpe+ MAX220cse+ MAX220cwe+ 0c to +70c 0c to +70c 0c to +70c temp range pin-package 16 plastic dip 16 narrow so 16 wide so MAX220c/d 0c to +70c dice* MAX220epe+ MAX220ese+ MAX220ewe+ -40c to +85c -40c to +85c -40c to +85c 16 plastic dip 16 narrow so 16 wide so MAX220eje -40c to +85c 16 cerdip MAX220mje -55c to +125c 16 cerdip ________________________________
? MAX220Cmax249 ? ?? ? 1 / g 1 \ eia/tia- 232e t? v.28/v.24 3 g ? p |? 12v k?h.k & 1 ?)k?k? &qb |q ? ? t a 5 w t max225 max233 max235 t? max245/max246/max247 %v?6)? kb):k ? ?x?h.k ________________________________ ? ? {2 q {h v{ 1 g as k?k rs-232 ? ag rs-232 l 1 _______________________ ?b} q+? ? ??a a"? esd 1? max3222e/max3232e/max3237e/max3241e/ max3246e +3.0v +5.5v a??{ a ? qr 1mbps a ? 1? 0.1f ? lc?? rs-232 l? (max3246e 4 ucsp tm ) ? ???'? max221e 15kv esd 1 a +5v a 1a a autoshutdown tm ? ??? ? rs-232 l? _____________________________________________________________________ ?v power no. of nominal shdn rx part supply rs-232 no. of cap. value & three- active in data rate number (v) drivers/rx ext. caps (f) state shdn (kbps) features MAX220 +5 2/2 4 0.047/0.33 no 120 ultra-low-power, industry-standard pinout max222 +5 2/2 4 0.1 yes 200 low-power shutdown max223 (max213) +5 4/5 4 1.0 (0.1) yes ? 120 max241 and receivers active in shutdown max225 +5 5/5 0 yes ? 120 available in so max230 (max200) +5 5/0 4 1.0 (0.1) yes 120 5 drivers with shutdown max231 (max201) +5 and 2/2 2 1.0 (0.1) no 120 standard +5/+12v or battery supplies; +7.5 to +13.2 same functions as max232 max232 (max202) +5 2/2 4 1.0 (0.1) no 120 (64) industry standard max232a +5 2/2 4 0.1 no 200 higher slew rate, small caps max233 (max203) +5 2/2 0 no 120 no external caps max233a +5 2/2 0 no 200 no external caps, high slew rate max234 (max204) +5 4/0 4 1.0 (0.1) no 120 replaces 1488 max235 (max205) +5 5/5 0 yes 120 no external caps max236 (max206) +5 4/3 4 1.0 (0.1) yes 120 shutdown, three state max237 (max207) +5 5/3 4 1.0 (0.1) no 120 complements ibm pc serial port max238 (max208) +5 4/4 4 1.0 (0.1) no 120 replaces 1488 and 1489 max239 (max209) +5 and 3/5 2 1.0 (0.1) no 120 standard +5/+12v or battery supplies; +7.5 to +13.2 single-package solution for ibm pc serial port max240 +5 5/5 4 1.0 yes 120 dip or flatpack package max241 (max211) +5 4/5 4 1.0 (0.1) yes 120 complete ibm pc serial port max242 +5 2/2 4 0.1 yes ? 200 separate shutdown and enable max243 +5 2/2 4 0.1 no 200 open-line detection simplifies cabling max244 +5 8/10 4 1.0 no 120 high slew rate max245 +5 8/10 0 yes ? 120 high slew rate, int. caps, two shutdown modes max246 +5 8/10 0 yes ? 120 high slew rate, int. caps, three shutdown modes max247 +5 8/9 0 yes ? 120 high slew rate, int. caps, nine operating modes max248 +5 8/8 4 1.0 yes ? 120 high slew rate, selective half-chip enables max249 +5 6/10 4 1.0 yes ? 120 available in quad flatpack package + ?? ? (pb)/ ;) rohs ??h" * a ?? ? ? g? )? *?k ?t ?|" ? autoshutdown ' ucsp maxim integrated products, inc. h ? available evaluation kit available ?????????????? ? ????? maxi m? 1080 0 85 2 124 9 () 1080 0 15 2 124 9 ( ) maxi m?china.maximintegrated.com MAX220Cmax249 +5v y? rs-232 z? / l absolute maximum ratingsMAX220/222/232a/233a/242/243 electrical characteristicsMAX220/222/232a/233a/242/243 (v cc = +5v 10%, c1Cc4 = 0.1f? MAX220, c1 = 0.047f, c2Cc4 = 0.33f, t a = t min to t max ? unless otherwise noted.) (note 3) note 1: for the MAX220, v+ and v- can have a maximum magnitude of 7v, but their absolute difference cannot exceed 13v. note 2: input voltage measured with tout in high-impedance state, v shdn or v cc = 0v. stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. (voltages referenced to gnd.) v cc ...........................................................................-0.3v to +6v v+ (note 1) ..................................................(v cc - 0.3v) to +14v v- (note 1) ..............................................................+0.3v to -14v input voltages tin .............................................................-0.3v to (v cc - 0.3v) rin (except MAX220) ........................................................30v rin (MAX220) ....................................................................25v tout (except MAX220) (note 2) ......................................15v tout (MAX220)..............................................................13.2v output voltages tout..................................................................................15v rout........................................................-0.3v to (v cc + 0.3v) driver/receiver output short circuited to gnd.........continuous continuous power dissipation (t a = +70c) 16-pin plastic dip (derate 10.53mw/c above +70c) .842mw 18-pin plastic dip (derate 11.11mw/c above +70c)..889mw 20-pin plastic dip (derate 8.00mw/c above +70c) ..440mw 16-pin narrow so (derate 8.70mw/c above +70c) ...696mw 16-pin wide so (derate 9.52mw/c above +70c)......762mw 18-pin wide so (derate 9.52mw/c above +70c)......762mw 20-pin wide so (derate 10.00mw/c above +70c)....800mw 20-pin ssop (derate 8.00mw/c above +70c) ..........640mw 16-pin cerdip (derate 10.00mw/c above +70c).....800mw 18-pin cerdip (derate 10.53mw/c above +70c).....842mw operating temperature ranges max2_ _ac_ _, max2_ _c_ _ .............................0c to +70c max2_ _ae_ _, max2_ _e_ _ ..........................-40c to +85c max2_ _am_ _, max2_ _m_ _ .......................-55c to +125c storage temperature range .............................-65c to +160c lead temperature (soldering, 10s) .................................+300c soldering temperature (reflow) 20 pdip (p20m+1) .......................................................+225c all other lead(pb)-free packages.................................+260c all other packages containing lead(pb) ......................+240c parameter conditions min typ max units rs-232 transmitters output voltage swing all transmitter outputs loaded with 3k to gnd 5 8 v input logic-low voltage 1.4 0.8 v all devices except MAX220 2 1.4 input logic-high voltage MAX220: v cc = +5.0v 2.4 v all except MAX220, normal operation 5 40 logic pullup/lnput current v shdn = 0v, max222/max242, shutdown, MAX220 0.01 1 a v cc = +5.5v, v shdn = 0v, v out = 15v, max222/max242 0.01 10 v out = 15v 0.01 10 output leakage current v cc = v shdn = 0v MAX220, v out = 12v 25 a data rate 200 116 kbps transmitter output resistance v cc = v+ = v- = 0v, v out = 2v 300 10m v out = 0v 7 22 output short-circuit current v out = 0v MAX220 60 ma rs-232 receivers 30 rs-232 input voltage operating range MAX220 25 v all except max243 r2in 0.8 1.3 rs-232 input threshold low v cc = +5v max243 r2in (note 4) -3 v all except max243 r2in 1.8 2.4 rs-232 input threshold high v cc = +5v max243 r2in (note 4) -0.5 -0.1 v MAX220Cmax249 2 maxim integrated +5v y? rs-232 z? / l electrical characteristicsMAX220/222/232a/233a/242/243 (continued) (v cc = +5v 10%, c1Cc4 = 0.1f? MAX220, c1 = 0.047f, c2Cc4 = 0.33f, t a = t min to t max ? unless otherwise noted.) (note 3) parameter condition s min typ max unit s all except MAX220/max243, v cc = +5v, no hysteresis in shutdown 0.2 0.5 1.0 MAX220 0.3 rs-232 input hysteresis max243 1 v 3 5 7 rs-232 input re sistance t a = +25c (MAX220) 3 5 7 k i out = 3.2ma 0.2 0.4 ttl/cmos output voltage low i out = 1.6ma (MAX220) 0.4 v ttl/cmos output voltage high i out = -1.0ma 3.5 v cc - 0.2 v sourcing v out = v gnd -2 -10 ttl/cmos output short-circuit current sinking v out = v cc 10 30 ma ttl/cmos output leakage curr ent v shdn = v cc or v en = v cc (v shdn = 0v for max222), 0v v out v cc 0.05 10 a en input threshold low max242 1.4 0.8 v en input threshold high max242 2.0 1.4 v supply voltage range 4.5 5.5 v MAX220 0.5 2 no load max222/max232a/max233a/ max242/max243 4 10 MAX220 12 v cc supply current (v shdn = v cc ), figures 5, 6, 11, 19 3k load both inputs max222/max232a/max233a/ max242/max243 15 ma t a = +25c 0.1 10 t a = 0c to +70c 2 50 t a = -40c to +85c 2 50 shutdown supply current max222/ max242 t a = -55c to +125c 35 100 a shdn input leakage current max222/max242 1 a shdn threshold low max222/max242 1.4 0.8 v shdn threshold high max222/max242 2.0 1.4 v max222/max232a/ max233/max242/max243 6 12 30 transition slew rate c l = 50pf to 2500pf, r l = 3k to 7k , v cc = +5v, t a = +25c, measured from +3v to -3v or -3v to +3v MAX220 1.5 3 30.0 v/s max222/max232a/ max233/max242/max243 1.3 3.5 t phlt , figure 1 MAX220 4 10 max222/max232a/ max233/max242/max243 1.5 3.5 transmitter propagation delay tll to rs-232 (normal operation) t plht , figure 1 MAX220 5 10 s MAX220Cmax249 maxim integrated 3 +5v y? rs-232 z? / l ________________________________________________________________ ??yt+? MAX220/max222/max232a/max233a/max242/max243 10 8 -10 0 5 15 25 output voltage vs. load current -4 -6 -8 -2 6 4 2 MAX220-01 load current (ma) output voltage (v) 10 0 20 0.1f either v+ or v- loaded v cc = +5v no load on transmitter outputs (except MAX220, max233a) v- loaded, no load on v+ v+ loaded, no load on v- 1f 1f 0.1f 11 10 4 010 40 60 available output current vs. data rate 6 5 7 9 8 MAX220-02 data rate (kb/s) output current (ma) 20 30 50 output load current flows from v+ to v- v cc = +5.25v all caps 1f all caps 0.1f v cc = +4.75v +10v -10v max222/max242 on-time exiting shutdown +5v +5v 0v 0v MAX220-03 500s/div v+, v- voltage (v) 1f caps v+ v+ v- v- shdn 0.1f caps 1f caps 0.1f caps electrical characteristicsMAX220/222/232a/233a/242/243 (continued) (v cc = +5v 10%, c1Cc4 = 0.1f? MAX220, c1 = 0.047f, c2Cc4 = 0.33f, t a = t min to t max ? unless otherwise noted.) (note 3) parameter conditions min typ max units max222/max232a/max233/ max242/max243 0.5 1 t phlr , figure 2 MAX220 0.6 3 max222/max232a/max233/ max242/max243 0.6 1 receiver propagation delay rs- 232 to tll (normal operation) t plhr , figure 2 MAX220 0.8 3 s t phls , figure 2 max242 0.5 10 receiver propagation delay rs- 232 to tll (shutdown) t phls , figure 2 max242 2.5 10 s receiver-output enable time t er max242, figure 3 125 500 ns receiver-output disable time t dr max242, figure 3 160 500 ns transmitter-output enable time ( shdn goes high) t et max222/max242, 0.1f caps (includes charge-pump start-up), figure 4 250 s transmitter-output disable time ( shdn goes low) t dt max222/max242, 0.1f caps, figure 4 600 ns max222/max232a/max233/ max242/max243 300 transmitter + to - propagation delay difference (normal operation) t phlt - t plht MAX220 2000 ns max222/max232a/max233/ max242/max243 100 receiver + to - propagation delay difference (normal operation) t phlr - t plhr MAX220 225 ns note 3: all units are production tested at hot. specifications over temperature are guaranteed by design. note 4: max243 r2out is guaranteed to be low when r2in 0v or is unconnected. MAX220Cmax249 4 maxim integrated +5v y? rs-232 z? / l (voltages referenced to gnd.) v cc ...........................................................................-0.3v to +6v v+ ................................................................(v cc - 0.3v) to +14v v- ............................................................................+0.3v to -14v input voltages tin ............................................................-0.3v to (v cc + 0.3v) rin .....................................................................................30v output voltages tout ..................................................(v+ + 0.3v) to (v- - 0.3v) rout........................................................-0.3v to (v cc + 0.3v) short-circuit duration, tout to gnd ........................continuous continuous power dissipation (t a = +70c) 14-pin plastic dip (derate 10.00mw/c above +70c)....800mw 16-pin plastic dip (derate 10.53mw/c above +70c)....842mw 20-pin plastic dip (derate 11.11mw/c above +70c)....889mw 24-pin narrow plastic dip (derate 13.33mw/c above +70c) ..........1.07w 24-pin plastic dip (derate 9.09mw/c above +70c)......500mw 16-pin wide so (derate 9.52mw/c above +70c).........762mw 20-pin wide so (derate 10.00mw/c above +70c).......800mw 24-pin wide so (derate 11.76mw/c above +70c).......941mw 28-pin wide so (derate 12.50mw/c above +70c) .............1w 44-pin plastic fp (derate 11.11mw/c above +70c) .....889mw 14-pin cerdip (derate 9.09mw/c above +70c) ..........727mw 16-pin cerdip (derate 10.00mw/c above +70c) ........800mw 20-pin cerdip (derate 11.11mw/c above +70c) ........889mw 24-pin narrow cerdip (derate 12.50mw/c above +70c) ..............1w 24-pin sidebraze (derate 20.0mw/c above +70c)..........1.6w 28-pin ssop (derate 9.52mw/c above +70c).............762mw operating temperature ranges max2 _ _ c _ _......................................................0c to +70c max2 _ _ e _ _ ...................................................-40c to +85c max2 _ _ m _ _ ......................................................-55c to +125c storage temperature range .............................-65c to +160c lead temperature (soldering, 10s) .................................+300c soldering temperature (reflow) 20 pdip (p20m+1) .........................................................+225c 24 pdip (p24m-1) ..........................................................+225c all other lead(pb)-free packages...................................+260c all other packages containing lead(pb) ........................... +240c absolute maximum ratingsmax223/max230Cmax241 electrical characteristicsmax223/max230Cmax241 (max223/230/232/234/236/237/238/240/241, v cc = +5v 10%; max233/max235, v cc = +5v 5%? c1Cc4 = 1.0f; max231/max239, v cc = +5v 10%; v+ = +7.5v to +13.2v; t a = t min to t max ; unless otherwise noted.) (note 5) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. conditions min typ max units output voltage swing all transmitter outputs loaded with 3k to ground 5.0 7.3 v v cc supply current no load, t a = +25c 510 ma 715 0.4 1 v+ supply current 1.8 5 ma 515 shutdown supply current t a = +25c 15 50 v input logic-high voltage tin 2.0 en, shdn (max223); en, shdn (max230/235/236/240/241) 2.4 logic pullup current v tin =0v 1.5 200 receiver input voltage operating range -30 +30 v a a 110 v input logic-low voltage tin, en, shdn (max233); en, shdn (max230/235C241) 0.8 max231/239 max223/230/234C238/240/241 max232/233 parameter max239 max230/235/236/240/241 max231 max223 MAX220Cmax249 maxim integrated 5 +5v y? rs-232 z? / l ma v 0.8 1.2 parameter min typ max units conditions normal operation v shdn = 5v (max223) v shdn = 0v (max235/236/240/241) 1.7 2.4 rs-232 input logic-low voltage t a = +25c, v cc = +5v 0.6 1.5 v rs-232 input logic-high voltage t a = +25c, v cc = +5v shutdown (max223) v shdn = 0v, v en = +5v (r4in? r5in) 1.5 2.4 electrical characteristicsmax223/max230Cmax241 (continued) (max223/230/232/234/236/237/238/240/241, v cc = +5v 10%; max233/max235, v cc = +5v 5%? c1Cc4 = 1.0f; max231/max239, v cc = +5v 10%; v+ = +7.5v to +13.2v; t a = t min to t max ; unless otherwise noted.) (note 5) shutdown (max223) v shdn = 0v, v en = +5v (r4in, r5in) normal operation v shdn = +5v (max223) v shdn = 0v (max235/236/240/241) rs-232 input hysteresis v cc = +5v, no hysteresis in shutdown 0.2 0.5 1.0 v rs-232 input resistance t a = +25c, v cc = +5v 357 k ttl/cmos output voltage low i out = 1.6ma (max231/232/233, i out = 3.2ma) 0.4 v ttl/cmos output voltage high i out = -1ma 3.5 v cc - 0.4 v ttl/cmos output leakage current 0v r out v cc ; v en = 0v (max223); v en = v cc (max235C241) 0.05 10 a max223 600 ns receiver output enable time normal operation max235/236/239/240/241 400 max223 900 ns receiver output disable time normal operation max235/236/239/240/241 250 normal operation 0.5 10 s v shdn = 0v (max223) 440 propagation delay rs-232 in to ttl/cmos out, c l = 150pf 640 3 5.1 30 v/s max231/max232/max233, t a = +25c, v cc = +5v, r l = 3k to 7k, c l = 50pf to 2500pf, measured from +3v to -3v or -3v to +3v 430 transmitter output resistance v cc = v+ = v- = 0v, v out = 2v 300 transmitter output short-circuit current 10 ma t phls t plhs transition region slew rate max223/max230/max234C241, t a = +25c, v cc = +5v, r l = 3k to 7k? c l = 50pf to 2500pf, measured from +3v to -3v or -3v to +3v note 5: all units are production tested at hot except for the max240, which is production tested at t a = +25c. specifications over temperature are guaranteed by design. MAX220Cmax249 6 maxim integrated +5v y? rs-232 z? / l _______________________________________________________________ ??yt+? max223/max230Cmax241 8.5 6.5 4.5 5.5 transmitter output voltage (v oh ) vs. v cc 7.0 8.0 MAX220-04 v cc (v) v oh (v) 5.0 7.5 1 transmitter loaded 3 trans- mitters loaded 4 transmitters loaded 2 transmitters loaded t a = +25c c1Cc4 = 1f transmitter loads = 3k || 2500pf 7.4 6.0 0 2500 transmitter output voltage (v oh ) vs. load capacitance at different data rates 6.4 6.2 7.2 7.0 MAX220-05 load capacitance (pf) v oh (v) 1500 1000 500 2000 6.8 6.6 160kb/s 80kb/s 20kb/s t a = +25c v cc = +5v 3 transmitters loaded r l = 3k c1Cc4 = 1f 12.0 4.0 0 2500 transmitter slew rate vs. load capacitance 6.0 5.0 11.0 9.0 10.0 MAX220-06 load capacitance (pf) slew rate (v/s) 1500 1000 500 2000 8.0 7.0 t a = +25c v cc = +5v loaded, r l = 3k c1Cc4 = 1f 1 transmitter loaded 2 transmitters loaded 3 transmitters loaded 4 transmitters loaded -6.0 -9.0 4.5 5.5 transmitter output voltage (v ol ) vs. v cc -8.0 -8.5 -6.5 -7.0 MAX220-07 v cc (v) v ol (v) 5.0 -7.5 4 trans- mitters loaded t a = +25c c1Cc4 = 1f transmitter loads = 3k || 2500pf 1 trans- mitter loaded 2 trans- mitters loaded 3 trans- mitters loaded -6.0 -7.6 0 2500 transmitter output voltage (v ol ) vs. load capacitance at different data rates -7.0 -7.2 -7.4 -6.2 -6.4 MAX220-08 load capacitance (pf) v ol (v) 1500 1000 500 2000 -6.6 -6.8 160kb/s 80kb/s 20kb/s t a = +25c v cc = +5v 3 transmitters loaded r l = 3k c1Cc4 = 1f 10 -10 0 5 10 15 20 25 30 35 40 45 50 transmitter output voltage (v+, v-) vs. load current -2 -6 -4 -8 8 6 MAX220-09 current (ma) v+, v- (v) 4 2 0 v+ and v- equally loaded v- loaded, no load on v+ t a = +25c v cc = +5v c1Cc4 = 1f all transmitters unloaded v+ loaded, no load on v- *shutdown polarity is reversed v+, v- when exiting shutdown (1f capacitors) MAX220-13 v shdn * v- o v+ 500ms/div MAX220Cmax249 maxim integrated 7 +5v y? rs-232 z? / l input logic-low voltage absolute maximum ratingsmax225/max244Cmax249 electrical characteristicsmax225/max244Cmax249 (max225, v cc = +5.0v 5%; max244Cmax249, v cc = +5.0v 10%, external capacitors c1Cc4 = 1f; t a = t min to t max ; unless otherwise noted.) (note 7) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. (voltages referenced to gnd.) supply voltage (v cc ) ...............................................-0.3v to +6v input voltages tin? ena, enb, enr, ent, enra, enrb, enta, entb ..................................-0.3v to (v cc + 0.3v) rin .....................................................................................25v tout (note 6)....................................................................15v rout........................................................-0.3v to (v cc + 0.3v) short circuit duration (one output at a time) tout to gnd ...........................................................continuous rout to gnd...........................................................continuous continuous power dissipation (t a = +70c) 28-pin wide so (derate 12.50mw/c above +70c) .............1w 40-pin plastic dip (derate 11.11mw/c above +70c) ...611mw 44-pin plcc (derate 13.33mw/c above +70c) ...........1.07w operating temperature ranges max225c_ _, max24_c_ _ ..................................0c to +70c max225e_ _, max24_e_ _ ...............................-40c to +85c storage temperature range .............................-65c to +160c lead temperature (soldering,10s) ..................................+300c soldering temperature (reflow) 40 pdip (p40m-2) ..........................................................+225c all other lead(pb)-free packages...................................+260c all other packages containing lead(pb) ........................+240c v cc = 0v, v out = 15v a tables 1aC1d 0.01 25 normal operation shutdown tables 1aC1d, normal operation all transmitter outputs loaded with 3k to gnd v ena , v enb , v ent , v enta , v entb = v cc, v out = 15v v rs-232 input hysteresis rs-232 input logic-low voltage v v 5 7.5 output voltage swing output leakage current (shutdown) 0.01 25 300 10m v cc = v+ = v- = 0v, v out = 2v (note 8) transmitter output resistance a parameter 0.05 0.10 min typ max units normal operation, outputs disabled, tables 1aC1d, 0v v out v cc , v enr_ = v cc ttl/cmos output leakage current 10 30 sinking v out = v cc ma -2 -10 sourcing v out = v gnd v 3.5 v cc - 0.2 i out = -1.0ma ttl/cmos output voltage high v 0.2 0.4 i out = 3.2ma ttl/cmos output voltage low k 357 0.2 0.5 1.0 v cc = +5v 1.4 0.8 v ttl/cmos output short-circuit current v 1.8 2.4 0.8 1.3 v cc = +5v rs-232 input resistance v 25 rs-232 input voltage operating range ma 7 30 v out = 0v output short-circuit current kbps 120 64 data rate conditions v cc = +5v a 0.01 1 logic pullup/lnput current 10 50 tables 1aC1d rs-232 input logic-high voltage v 2 1.4 input logic-high voltage rs-232 transmitters rs-232 receivers note 6: input voltage measured with transmitter output in a high-impedance state, shutdown, or v cc = 0v. MAX220Cmax249 8 maxim integrated +5v y? rs-232 z? / l supply voltage range 4.75 5.25 v transmitter enable time max225 10 20 t et no load max244Cmax249 11 30 51030 max225 40 v cc supply current (normal operation) 3k loads on all outputs max244Cmax249 57 ma transition slew rate 825 c l = 50pf to 2500pf, r l = 3k to 7k , v cc = +5v, t a = +25c, measured from +3v to -3v or -3v to +3v t a = t min to t max conditions 50 v/s max246Cmax249 (excludes charge-pump startup) shutdown supply current a 5 t phlt , figure 1 1.3 3.5 s t plht , figure 1 1.5 3.5 transmitter disable time transmitter propagation delay tll to rs-232 (normal operation) s t dt , figure 4 100 ns transmitter + to - propagation delay difference (normal operation) t phlt - t plht units min typ max 350 parameter ns receiver + to - propagation delay difference (normal operation) t phlr - t plhr 350 ns 4.5 5.5 max244Cmax249 max225 leakage current 1 logic-low voltage 1.4 0.8 control input logic-high voltage 2.4 1.4 v a t a = +25c t phlr , figure 2 0.6 1.5 t plhr , figure 2 0.6 1.5 receiver propagation delay tll to rs-232 (normal operation) s t phls , figure 2 0.6 10 t plhs , figure 2 3.0 10 receiver propagation delay tll to rs-232 (low-power mode) s receiver-output enable time t er , figure 3 100 500 ns receiver-output disable time t dr , figure 3 100 500 ns max225/max245Cmax249 (includes charge-pump startup) 10 ms power supply and control logic ac characteristics note 7: all units production tested at hot. specifications over temperature are guaranteed by design. note 8: the 300 minimum specification complies with eia/tia-232e, but the actual resistance when in shutdown mode or v cc = 0v is 10m as is implied by the leakage specification. electrical characteristicsmax225/max244Cmax249 (continued) (max225, v cc = +5.0v 5%; max244Cmax249, v cc = +5.0v 10%, external capacitors c1Cc4 = 1f; t a = t min to t max ; unless otherwise noted.) (note 7) MAX220Cmax249 maxim integrated 9 +5v y? rs-232 z? / l _______________________________________________________________ ??yt+? max225/max244Cmax249 18 2 012345 transmitter slew rate vs. load capacitance 8 6 4 16 MAX220-10 load capacitance (nf) transmitter slew rate (v/s) 14 12 10 v cc = +5v external power supply 1 f capacitors 40kb/s data rate 8 transmitters loaded with 3k 10 -10 0 5 10 15 20 25 30 35 output voltage vs. load current for v+ and v- -2 -4 -6 -8 8 MAX220-11 load current (ma) output voltage (v) 6 4 2 0 v+ and v- loaded either v+ or v- loaded v+ and v- loaded v cc = +5v external charge pump 1 f capacitors 8 transmitters driving 5k and 2000pf at 20kb/s v- loaded v+ loaded 9.0 5.0 01 2 345 transmitter output voltage (v+, v-) vs. load capacitance at different data rates 6.0 5.5 8.5 MAX220-12 load capacitance (nf) v+, v- (v) 8.0 7.5 7.0 6.5 v cc = +5v with all transmitters driven loaded with 5k 40kb/s 60kb/s 100kb/s 200kb/s all capacitiors 1 f 10kb/s 20kb/s MAX220Cmax249 10 maxim integrated +5v y? rs-232 z? / l input output +3v v+ 0v v- 0v t plht t phlt t phlr t phls t plhr t plhs 50% v cc 50% +3v 50% input output *except for r2 on the max243 where -3v is used. 0v* 50% gnd 1. ae 1? ? ? 2. g 1? ? ? en r x in a) test circuit b) enable timing c) disable timing en input receiver outputs r x out r x 1k 0v +3v en en +0.8v +3.5v output enable time (t er ) v cc - 2v v ol + 0.5v v oh - 0.5v output disable time (t dr ) v cc - 2v +3v 0v 150pf en input v oh receiver outputs v ol 1 or 0 t x 3k 50pf -5v +5v output disable time (t dt ) v+ shdn +3v 0v v- 0v a) timing diagram b) test circuit 3. g 1 ? as ok ?` 4. ae 1 ? ok ?` ________________________________________________________________ ? k ^ / h?m MAX220Cmax249 maxim integrated 11 +5v y? rs-232 z? / l ent enr operation status transmitters receivers 0 0 normal operation all active all active 0 1 normal operation all active all high-z 1 0 shutdown all high-z all low-power receive mode 1 1 shutdown all high-z all high-z v 1a. max245 e??? a ent enr operation status transmitters receivers ta1Cta4 tb1Ctb4 ra1Cra5 rb1Crb5 0 0 normal operation all active all active all active all active 0 1 normal operation all active all active ra1Cra4 high-z, ra5 active rb1Crb4 high-z, rb5 active 1 0 shutdown all high-z all high-z all low-power receive mode all low-power receive mode 1 1 shutdown all high-z all high-z ra1Cra4 high-z, ra5 low-power receive mode rb1Crb4 high-z, rb5 low-power receive mode v 1b. max245 e??? a v 1c. max246 e??? a ena enb operation status transmitters receivers ta1Cta4 tb1Ctb4 ra1Cra5 rb1Crb5 0 0 normal operation all active all active all active all active 0 1 normal operation all active all high-z all active rb1Crb4 high-z, rb5 active 1 0 shutdown all high-z all active ra1Cra4 high-z, ra5 active all active 1 1 shutdown all high-z all high-z ra1Cra4 high-z, ra5 low-power receive mode rb1Crb4 high-z, ra5 low-power receive mode _____________________________________________________________ e??? av MAX220Cmax249 12 maxim integrated +5v y? rs-232 z? / l ta1Cta4 tb1Ctb4 ra1Cra4 rb1Crb4 0 0 0 0 normal operation all active all active all active all active 0 0 0 1 normal operation all active all active all active all high-z, except rb5 stays active on max247 0 0 1 0 normal operation all active all active all high-z all active 0 0 1 1 normal operation all active all active all high-z all high-z, except rb5 stays active on max247 0 1 0 0 normal operation all active all high-z all active all active 0 1 0 1 normal operation all active all high-z all active all high-z, except rb5 stays active on max247 0 1 1 0 normal operation all active all high-z all high-z all active 0 1 1 1 normal operation all active all high-z all high-z all high-z, except rb5 stays active on max247 1 0 0 0 normal operation all high-z all active all active all active 1 0 0 1 normal operation all high-z all active all active all high-z, except rb5 stays active on max247 1 0 1 0 normal operation all high-z all active all high-z all active 1 0 1 1 normal operation all high-z all active all high-z all high-z, except rb5 stays active on max247 1 1 0 0 shutdown all high-z all high-z low-power receive mode low-power receive mode 1 1 0 1 shutdown all high-z all high-z low-power receive mode all high-z, except rb5 stays active on max247 1 1 1 0 shutdown all high-z all high-z all high-z low-power receive mode 1 1 1 1 shutdown all high-z all high-z all high-z all high-z, except rb5 stays active on max247 v 1d. max247/max248/max249 e??? a max248 operation status enrb max247 ta1Cta4 tb1Ctb4 ra1Cra4 rb1Crb5 transmitters enra entb enta max249 ta1Cta3 tb1Ctb3 ra1Cra5 rb1Crb5 receivers MAX220Cmax249 maxim integrated 13 ____________________________ w% a MAX220 Cmax249 a 4 ?)? c k#? dc-dc k ?as 1 rs-232 ? 1 rs-232 g 1 t? g 1 sae 1 a h i ? ^?,ae MAX220 Cmax249 )x ??k#? +5v as\ 10v ( ? ) \ rs-232 ? 1?k? ^??a s 1 ?kk [ c1 +5v ia ga v+ ?- c3 ? h +10v ^?as 1 ?kk [ c2 +10v as\ v- ?- c4 ?h -10v t +10v (v+) ' -10v (v-) ?-? ?hk? \6)k k ( 8 h;??b ) ) / max225 s max245Cmax247 ?6 \? o%& ' 9 v+ s v- f z? ?t ?k??~x?k ? h ) 5 v+ v- \6)k k ? ? %? \?x?h? v+ v- qb eia/tia-232e ? 1 ?k??w 5v h?h k max222 max225 max230 max235 max236 max240 max241 t? max245Cmax249 ?h? a ? . ? v+ s v- \6)k k & 1 ? ? v- )c 0v v+ )c +5v ?b a +10v 6)k?a v+ ' 9 ( % k )k#? bd ? +10v) h.k ??%?`k [ c1 ?y shdn ' 9 ? gc v cc & \? ? v+ ? ) ? g a v cc rs-232 z? ex???w\ 5k h rs-232 g 1 v cc = +5v ? ? 1 ?k??9hh;w\ 8v ?? 9 5;) eia/tia-232e ' v.28 a? aa?? ? ?h & a d? 5v ? 1 ?k??wh? |ra 6 3k hx?k?w v cc = +4.5v t? ?}?ta ? ? ? 1 ?k??y (v+ - 1.3v) c ( v- + 0.5v) i m? [b ttl ' cmos )? f kh ? 1 i- t% ? g x eh s v cc e ?h 400k i ? ;k ( MAX220 ?6 ) ? ;k f kh ? 1 ? - ?h\qk \?x ? 1??eh ? ? ;? okh? ? ) i ? ;kk 12 a k ? ? ? { ? a 1 k?? h & ? 1 ?? l i} a h k ?k]x??t` ( ?w\ 25 a) ? t ? ?a 15v ? ? k?k ?k )c 8 a MAX220 % ? ) ? ;k ?t% a f k h ? 1 ? ?h\qk f kh i- ? g c gnd a v cc max239 x g 1 { h? max223 max225 max235 max236 max240 s max241 ? ? g 1 { hsq ? h 2 m ? ? hs g 1 { h? g 1 ?h8 ]? { a?\}k ( ?b max225/max235/ max236/max239Cmax241) g 1 ttl/cmos ? ?b} { ? 6 5? h?\}k b} q ? ? ? 1 ??? | k ?b 1 a ? ? 1 ?? ;c\ ? 1 ? k ? ?w b 1 a ?ae 1 ???e ? 0v c (v cc + 6v) qb -0.5v ? ae 1q? 1mc\ x 1k ? ? ae 1q t? - ?? 1ma v cc +6v x 1k ? ? ? 1 ?? ?h 30v/ s t s eia/tia-232e ' v.28 a?h? ?d ? h;w\? ? 24v/ s 3 s 2500pf x? 10v/s rs-232 l eia/tia-232e s v.28 a? b 3v hk??\ )? 0 ? ?x g 1??eh i m? ??\ 0.8v ' 2.4v g 1t. ttl k i . eia/tia- 232e s v.28 k g 1 i t??} 25v h? i ?? w\ 5k h i- gk g 1;) v.28 ' eia/tia- 232e ?b^? n?? hm ? +5v y? rs-232 z? / l part shdn en en(r) receivers max223 __ low high high x low high high impedance active high impedance max225 __ __ high impedance active __ max235 max236 max240 low low high __ __ low high x high impedance active high impedance v 2. l ? ? e? low high shdn __ MAX220Cmax249 14 maxim integrated +5v y? rs-232 z? / l g 1 io?hh;w\ 0.5v 5 0.2v ? w &? ?b geg i3 td ? ? 5h ?? e x??? ?'58h & g 1? ? ?h;w\ 600ns s i?9y?? ??{ l t max223 max242 t? max245Cmax249 xq g ? t ic l i? / r[ 1 g 32 &?~ ?bu??h.kkz? q g ? ? r 9 t gu? 1 hz 3 |?? ?e l>}7 q h3 &xc t n ?? k max243 max243 ' max232a ' 9 [ z?h #x ? ? g 1 ip?h rs-232 k p?\ & h? cts s rts l h? t? ?a% ? g %?r 3%?k% hk p ? g% h ?? cxk p?\h g 1 i m? -0.8v % +1.4v ]x5 isx? ?\xh h?e ? ? ?/e\a r cx ? ? / ?\ 0 a [ae k max243 h ?? g 1 (+1.4v m ? ) kb7 ? (td a rd) x m? g 1s h? (dtr dts cts rts l ) ? g rs-232 ? ?h |?d yb eia/tia-232e a?ha? 3k mhk p?\ & h?]? i? ?\ x % ? ga? c\ ? g 1 ? ?e\}k }k h ?l?>3 ic [ae7 \ ?& x & h??y? ?as?? ? g | x? ?hak? 1 max222Cmax242 ? max222 max235 max236 max240 s max241 h?x g 1?? ok 5, nb? ? max223 s max242 h ?? g 1q ? ?? &?h? ?bq}aqh i ?e ? ? ?a 2.5 s ? g 1 \ cxo?h cmos ?e 1? max223 s max242 q x g 1 a i- ( max242 r en max223 r en) g 1h ? hs shdn ( max241 r shdn) ?? ?x |? 1 h shdn ( max241 r shdn ) t o[ g 1 ? max225 5 ?ae 1' 5 ? g 1 max245 10 ? g 1' 8 ?ae 1 & ?x 1 ? x ?h g 1 sae 1 a h 5 ent i-kx )?}k ? k#?? 1 ? &x k?k ? )c 25 a t g 1q g ? ? ? ? 1 ? l i} ( { ? ) max225 h? x 5 ? g 1?q enr i h max245 h 8 ? g 1 ?q enr i h 6 ?? g 1 (ra5 s rb5) ? w?x 5 enr \ )?}k ? ra1Cra4 t? rb1C rb4 l i { ? l e? a p ? e? { ? max225 t? max245Cmax249 xae 1' g 1 a h g 1x {x? ? ? )q g ( akx ) { ( o k ) t?q g ( t cqh7 q g 1af? x ) g 1 a i- h )q g' { ? a e 1 x ?x? ? ? )qae ( akx ) ' { ( ok ) ae 1 a i-q?k b h? ? ?x ae 1? ok ? 1 l i? ? 1 ? ? x h g 1?q g ? MAX220Cmax249 maxim integrated 15 1aC1d ? h max244 cx h' 9 ? cxa&r max246 x 10 ? g 1' 8 ? ? 1 ?? h' 9 h 1 h ?j a j h i ( ena) \ )?}k ? 4 ? a jh g 1' ? 1 l i { ? { b j h i ( enb ) t 4 ? b jh ? 1s g 1 l i { ? max245 r ?? a jh g 1'? ? b jh g 1 (ra5 s rb5) ?w?x 5 a j b j?? ok ( ena = enb = +5v) ? ?? 1 l i? ? max247 9 ? g 1' 8 ? ? 1 4 ? h' 9 enra enrb g 1 a i- h 4 ? g 1 ? enta entb ae 1 a i- h 4 ? ? 1 ^ 9 ? g 1 (rb5) ?wx a 1 enta s entb ?\ )?}k ? l i? ? max248 8 ? g 1' 8 ? ? 1 4 ? h' 9 enra enrb g 1 a i- h 4 ? g 1 ? enta entb ae 1 a i- h 4 ? ? 1 a 1 r cx ?wxh g 1 a 1 enta entb ?\ )?}k ? l i? ? ?a e 1 l i { ? max249 10 ? g 1' 6 ? ? 1 4 ? h' 9 enra enrb g 1 a i- h 5 ? g 1 ? enta entb ae 1 a i- h 3 ? ? 1 a 1 r cx ?wxh g 1 a 1 enta entb ?\ )?}k ? l i? ? ?a e 1 l i { ? ? ? ?xh g 1 ?q g ? ?}7 q \ 20kb/s ____________________________ ?? 5 c 25 ?? ' 9 hesh;?k ?k?? ? ?nh.kr v cc tks c1 c2 7we hk [ z)c\ k [. s a ? p 1 ? +5v y? rs-232 z? / l MAX220Cmax249 16 maxim integrated +5v y? rs-232 z? / l 5. MAX220/max232/max232a ' 9 hesh;?k 6. max222/max242 ' 9 hesh;?k top view 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 v cc gnd t1out r1in c2+ c1- v+ c1+ + MAX220 max232 max232a r1out t1in t2in r2out r2in t2out v- c2- dip/so v+ v- 2 +10v c1+ c1 c2 1 3 4 5 11 10 12 9 6 14 7 13 8 t1in r1out t2in r2out t1out r1in t2out r2in +5v input c2+ -10v c4 rs-232 outputs rs-232 inputs ttl/cmos inputs ttl/cmos outputs gnd 15 5k 5k 400k 400k +5v +5v +10v to -10v voltage inverter +5v to +10v voltage doubler 16 c3 c5 capacitance (f) device MAX220 max232 max232a c1 0.047 1.0 0.1 c2 0.33 1.0 0.1 c3 0.33 1.0 0.1 c4 0.33 1.0 0.1 c5 0.33 1.0 0.1 c2- c1- v cc 5k dip/so 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 shdn v cc gnd t1out c1- v+ c1+ (n.c.) en r1in r1out t1in t2in t2out v- c2- c2+ 10 9 r2out r2in max222 max242 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 shdn v cc gnd t1out c1- v+ c1+ (n.c.) en n.c. r1in r1out n.c. t2out v- c2- c2+ 12 11 9 10 t1in t2in r2out r2in max222 max242 ssop ( ) are for max222 only. pin numbers in typical operating circuit are for dip/so packages only. v+ v- 3 +10v c1 c2 2 4 5 6 12 11 13 7 15 8 14 9 t1in r1out t2in r2out t1out (except MAX220) (except MAX220) r1in t2out r2in +5v input c2+ -10v c4 rs-232 outputs rs-232 inputs ttl/cmos inputs ttl/cmos outputs gnd 16 5k 400k 400k +5v +5v +10v to -10v voltage inverter v cc +5v to +10v voltage doubler 17 c3 c5 1 10 18 shdn en (n.c.) all capacitors = 0.1f c2- c1+ c1- + + top view MAX220Cmax249 maxim integrated 17 +5v y? rs-232 z? / l 7. max225 ' 9 hesh;?k 13 14 28 27 26 25 24 23 22 21 1 2 3 4 5 6 7 8 v cc v cc v cc 400k 400k 400k 400k 400k t1out +5v +5v 0.1f +5v 3 28 27 4 25 24 23 26 5 6 7 22 gnd enr enr gnd 21 +5v +5v +5v t2out t3out t4out 5k 5k 5k 5k 5k 14 13 2 1 t5out t5out r1in r2in r3in r4in r5in t1in 11 12 18 17 16 15 10 9 8 19 20 t2in t3in t4in t5in ent r2out r3out r4out pins (enr, gnd, v cc , t5out) are internally connected. connect either or both externally. t5out is a single driver. r5out r1out v cc ent t3in t2in t1in enr enr t4in t5in r4out r5out r3in r3out r2out r1out 20 19 18 17 9 10 11 12 r5in r4in t3out t4out t2out t1out r1in r2in so max225 16 15 t5out max225 functional description 5 receivers 5 transmitters 2 control pins 1 receiver enable (enr) 1 transmitter enable (ent) t5out gnd gnd top view + MAX220Cmax249 18 maxim integrated +5v y? rs-232 z? / l 8. max223/max241 ' 9 hesh;?k gnd 10 27 r3out 23 r4out r3in r4in 5k 5k 5 4 r2out r2in 5k rs-232 inputs logic outputs rs-232 outputs ttl/cmos inputs r2 8 9 r1out r1in 5k r1 r3 r4 19 18 r5out r5in 5k r5 2 7 t1in t1out +5v 400k +5v 6 3 t2in t2out t2 400k 20 t3out 1 t3in +5v t3 400k c1+ c1- 1.0f 12 v cc +5v input 11 17 1.0f 13 1.0f +5v to +10v voltage doubler 26 1.0f t1 28 21 t4in t4out +5v 400k t4 14 c2+ c2- 15 1.0f 16 +10v to -10v voltage inverter v+ 22 en (en) 24 25 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 t4out r3in r3out shdn (shdn) r4in* c2+ r4out* t4in t3in r5out* r5in* v- c2- c1- v+ c1+ v cc gnd r1in r1out t1in t2in r2out r2in t2out t1out t3out wide so/ ssop max223 max241 en (en) shdn (shdn) *r4 and r5 in max223 remain active in shutdown. note: pin labels in ( ) are for max241. v- + top view MAX220Cmax249 maxim integrated 19 +5v y? rs-232 z? / l 9. max230 ' 9 hesh;?k 10. max231 ' 9 hesh;?k 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 t5in n.c. shdn t2in t2out t1out t5out t4in t3in v- c1+ v cc gnd t1in 12 11 9 10 c2- c2+ c1- v+ dip/so max230 v+ v- 9 c1+ c1- 8 10 11 12 5 4 14 13 2 3 1 20 t3in t4in t2in t5in t1out t2out +5v input c2+ c2- rs-232 outputs ttl/cmos inputs gnd 6 400k +5v 400k +5v 400k +5v 400k +5v 400k +5v +10v to -10v voltage inverter v cc +5v to +10v voltage doubler 7 1.0f 1.0f 1.0f 1.0f 19 15 16 t3out t4out 18 x t1in t3out t4out t5out 17 1.0f t2 t3 t4 t5 n.c. shdn t1 + top view v+ v- 14 c1+ c1- 1 2 8 7 3 11 4 t2in t1in t1out t2out +5v input rs-232 inputs ttl/cmos outputs gnd 12 (14) 5k 5k +12v to -12v voltage converter 13 (15) 1.0f 1.0f c2 1.0f 400k +5v 400k +5v 6 9 10 r1in r2in r2out r1out 5 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 v+ v cc gnd t1out t2out v- c- c+ max231 r1in r1out t1in n.c. n.c. t2in r2out r2in so (12) rs-232 outputs ttl/cmos inputs (11) (13) (10) v cc pin numbers in ( ) are for so package. 14 13 12 11 10 9 8 1 2 3 4 5 6 7 v+ v cc gnd t1out t2out v- c- c+ max231 r1in r1out t1in t2in r2out r2in dip +7.5v to +12v (16) t1 t2 r1 r2 + + top view MAX220Cmax249 20 maxim integrated +5v y? rs-232 z? / l 12. max234 ' 9 hesh;?k 11. max233/max233a ' 9 hesh;?k 2 1 5 18 t2in t1in t1out t2out +5v input rs-232 inputs ttl/cmos outputs gnd gnd 69 400k +5v 400k +5v 5k 5k 7 20 3 4 r1in r2in r2out r1out 19 rs-232 outputs ttl/cmos inputs v cc pin names in ( ) are for so package. 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 r2in t2out v- r1in r1out t1in c2- c2+ v+ (c1-) c1- (c1+) (v+) c1+ v cc gnd t1out 12 11 9 10 v- (c2+) c2+ (c2-) (v-) cs- gnd dip/so max233 max233a t2in r2out c1+ c1- v- v- v+ c2+ c2- cs- c2+ 8 (13) 13 (14) 12 (10) 17 14 (8) 11 (12) 15 16 10 (11) do not make connections to these pins internal -10v power supply internal +10v power supply 1.0f top view + 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 t3out t4out t4in t3in t1in t2in t2out t1out max234 v- c2- c2+ c1- v+ c1+ v cc gnd dip/so v+ v- 8 c1+ c1- 1.0f 1.0f 1.0f 7 9 10 11 4 3 13 14 12 1 2 16 15 t1in t3in t2in t4in t1out t3out t2out t4out +5v input c2- c2+ rs-232 outputs ttl/cmos inputs gnd 5 +5v +5v +10v to -10v voltage inverter v cc +5v to +10v voltage doubler 6 +5v +5v 400k 400k 400k 400k 1.0f 1.0f t1 t2 t4 t3 + top view MAX220Cmax249 maxim integrated 21 +5v y? rs-232 z? / l 13. max235 ' 9 hesh;?k 1.0f +5v input gnd 11 6 23 5 r2out rs-232 inputs ttl/cmos outputs 14 13 21 r5out 5k 17 18 r4out 5k 24 r3out 5k 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 r3in r3out t5in shdn t2out t1out t3out t4out en t5out r4in r4out t1in t2in r2out r2in 16 15 14 13 9 10 11 12 t4in t3in r5out r5in v cc gnd r1in r1out dip max235 5k 91 0 r1out r1in r2in r3in r4in r5in 5k 7 15 3 4 t2in t3out rs-232 outputs ttl/cmos inputs 22 19 t5in t5out +5v 16 1 t4in t4out +5v 2 t3in +5v +5v 8 t1in t1out +5v t2out t1 t1 r2 r3 r4 r5 t2 t3 t5 t4 400k 400k 400k 400k 400k shdn en 20 12 v cc + top view MAX220Cmax249 22 maxim integrated +5v y? rs-232 z? / l 14. max236 ' 9 hesh;?k gnd 8 23 r2out rs-232 inputs ttl/cmos outputs 17 16 21 r3out r2in r3in 5k 5k 5 4 r1out r1in 5k rs-232 outputs ttl/cmos inputs r1 r2 r3 2 7 t1in t1out +5v t1 400k 6 3 t2in +5v t2out t2 400k 18 t3out 1 t3in +5v t3 400k 19 24 t4in t4out +5v t4 400k shdn en 20 11 c1+ c1- 1.0f 10 12 13 14 15 +5v input c2+ c2- v cc +5v to +10v voltage doubler 9 1.0f 1.0f +10v to -10v voltage inverter 22 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 t4out r2in r2out shdn r1in t2out t1out t3out t4in t3in r3out gnd t1in t2in r1out 16 15 14 13 9 10 11 12 r3in v- c2- c2+ c1- v+ c1+ v cc dip/so max236 en 1.0f 1.0f top view v+ v- + MAX220Cmax249 maxim integrated 23 +5v y? rs-232 z? / l 15. max237 ' 9 hesh;?k gnd 8 23 r2out rs-232 inputs ttl/cmos outputs 17 16 r3out r2in r3in 5k 5k 5 4 r1out r1in 5k rs-232 outputs ttl/cmos inputs r1 r2 r3 2 7 t1in t1out +5v t1 400k 6 3 t2in +5v t2out t2 400k 18 t3out 1 t3in +5v t3 400k 21 20 t5in t5out +5v t5 400k 11 c1+ c1- 1.0f 10 12 13 14 15 +5v input c2+ c2- v cc +5v to +10v voltage doubler 9 1.0f 1.0f +10v to -10v voltage inverter 22 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 t4out r2in r2out t5in r1in t2out t1out t3out t4in t3in r3out gnd t1in t2in r1out 16 15 14 13 9 10 11 12 r3in v- c2- c2+ c1- v+ c1+ v cc dip/so max237 t5out 1.0f 1.0f 19 24 t4in t4out +5v t4 400k v+ v- + top view MAX220Cmax249 24 maxim integrated +5v y? rs-232 z? / l 16. max238 ' 9 hesh;?k gnd 8 3 r2out 22 23 r3out r2in r3in 5k 5k 6 7 r1out r1in 5k rs-232 outputs ttl/cmos inputs rs-232 inputs ttl/cmos outputs r1 r2 r3 17 16 r4out r4in 5k r4 2 5 t1in t1out +5v 400k +5v 18 1 t2in t2out t2 400k 19 t3out 24 t3in +5v t3 400k 11 c1+ c1- 1.0f 10 12 13 14 15 +5v input c2+ c2- v cc +5v to +10v voltage doubler 9 1.0f 1.0f +10v to -10v voltage inverter 4 1.0f 1.0f 21 20 t4in t4out +5v t4 400k t1 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 t3out r3in r3out t4in r2out r2in t1out t2out top view t3in t2in r4out gnd r1in r1out t1in 16 15 14 13 9 10 11 12 r4in v- c2- c2+ c1- v+ c1+ v cc dip/so max238 t4out + v+ v- MAX220Cmax249 maxim integrated 25 +5v y? rs-232 z? / l 17. max239 ' 9 hesh;?k gnd 3 18 r3out 12 r4out r3in r4in 5k 5k 22 21 r2out r2in 5k rs-232 outputs ttl/cmos inputs rs-232 inputs ttl/cmos outputs r2 1 2 r1out r1in 5k r1 r3 r4 10 9 r5out r5in 5k r5 19 24 t1in t1out +5v 400k +5v 23 20 t2in t2out t2 400k 16 t3out 13 t3in +5v t3 400k c1+ c1- 1.0f 6 v cc 8 +5v input 4 5 1.0f +10v to -10v voltage inverter 17 1.0f t1 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 t1in t2in r2out r2in v cc gnd r1in r1out t1out r3in r3out v- c- c+ v+ 16 15 14 13 9 10 11 12 t3in n.c. en t3out r4in r4out r5out r5in dip/so max239 t2out +7.5v to +13.2v input 7 v+ 11 en 14 15 n.c. v- + top view MAX220Cmax249 26 maxim integrated +5v y? rs-232 z? / l 18. max240 ' 9 hesh;?k gnd 18 4 r3out 40 r4out r3in r4in 5k 5k 13 10 r2out r2in 5k rs-232 inputs ttl/cmos outputs rs-232 outputs ttl/cmos inputs r2 16 17 r1out r1in 5k r1 r3 r4 36 35 r5out r5in 5k r5 7 15 t1in t1out +5v 400k +5v 14 8 t2in t2out t2 400k 37 t3out 6 t3in +5v t3 400k c1+ c1- 1.0f 25 v cc +5v input 19 30 1.0f 26 1.0f +5v to +10v voltage doubler 3 1.0f t1 +5v 2 41 t5in t5out t5 400k 5 38 t4in t4out +5v 400k t4 27 c2+ c2- 28 1.0f 29 +5v to -10v voltage inverter v+ 39 en 42 43 plastic fp max240 shdn en t5out r4in r4out r5out r5in n.c. n.c. t3in t4in r2out t2in t1in r1out r1in n.c. n.c. n.c. n.c. v cc gnd r2in n.c. t4out t2out t1out t3out n.c. r3in r3out n.c. t5in n.c. c1+ c2 v+ c1- c2+ n.c. v- n.c. n.c. n.c. 33 32 31 30 29 28 27 26 25 24 23 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 shdn top view v- + MAX220Cmax249 maxim integrated 27 +5v y? rs-232 z? / l 19. max243 ' 9 hesh;?k v+ v- 2 +10v c1+ c1- 1 3 4 5 11 10 12 9 6 14 7 13 8 t1in r1out t2in r2out t1out r1in t2out r2in +5v input c2+ c2- -10v rs-232 outputs rs-232 inputs ttl/cmos inputs ttl/cmos outputs gnd 15 5k 5k 400k 400k +5v +5v +10v to -10v voltage inverter +5v to +10v voltage doubler 16 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 c1+ v cc gnd t1out r1in r1out t1in t2in r2out max243 dip/so v+ c1- v- c2+ c2- t2out r2in 0.1f 0.1f 0.1f 0.1f 0.1f receiver input -3v open +3v r1 output high high low r2 output high low low top view v cc + MAX220Cmax249 28 maxim integrated +5v y? rs-232 z? / l 20. max244 ' 9 hesh;?k 400k +10v to -10v voltage inverter +5v to +10v voltage doubler v cc 400k 400k gnd +5v +5v +5v +5v +5v 25 24 23 21 20 2 1f 1f 1f 1f 1f 16 3 17 4 18 5k 5k 5k 5k 5k 5k 5k 5k 5k 5k c2- c2+ c1- c1+ ta2out ta2in ta3out ta3in ta4out ta4in 9 ra1in 10 ra1out 8 ra2in 11 ra2out 7 ra3in 12 ra3out 6 ra4in 13 ra4out 5 ra5in 14 19 ra5out 26 22 43 29 42 28 41 27 36 35 37 34 38 33 39 32 40 31 v- v+ tb2out tb2in 400k 2 15 ta1out ta1in 44 30 tb1out tb1in tb3out tb3in tb4out tb4in rb1in rb1out rb2in rb2out rb3in rb3out rb4in rb4out rb5in rb5out max249 functional description 10 receivers 5 a-side receivers 5 b-side receivers 8 transmitters 4 a-side transmitters 4 b-side transmitters no control pins 44123 44 0 4142 43 5 21 24 26 25 27 28 22 23 19 20 8 9 10 11 12 13 14 15 16 17 29 30 31 32 33 34 35 36 37 38 ta3in v cc ra5in max244 plcc top view ta4out ta3out ta2out ta1out tb1out tb2out tb3out tb4out rb5in gnd v+ c1+ c2+ c1- v- c2- tb3in tb4in rb3in rb2in rb1in rb1out rb2out rb3out rb4out rb5out tb1in tb2in ta2in ta1in ra5out ra4out ra3out ra2out ra1out ra1in ra2in 7 39 rb4in ra3in 6 18 ra4in ta4in +5v +5v +5v +5v + MAX220Cmax249 maxim integrated 29 +5v y? rs-232 z? / l 21. max245 ' 9 hesh;?k 400k v cc 400k 400k gnd +5v +5v +5v +5v +5v 40 17 1f 3 18 4 19 5 5k 5k 5k 5k 5k 5k 5k 5k 5k 5k ta2out ta2in ta3out ta3in ta4out ta4in 1 11 ra1in 10 ra1out 12 ra2in 9 ra2out 13 ra3in 8 ra3out 14 ra4in 7 ra4out 15 ra5in 6 20 ra5out 23 37 22 36 21 35 29 30 28 31 27 32 26 33 25 34 tb2out tb2in tb3out tb3in tb4out tb4in rb1in rb1out rb2in rb2out rb3in rb3out rb4in rb4out rb5in rb5out +5v +5v 400k 16 2 ta1out ta1in 24 38 tb1out tb1in +5v +5v 40 v cc ent tb1in tb2in tb3in tb4in rb5out rb4out rb3out rb2out rb1out rb1in rb2in rb3in rb4in rb5in tb1out tb2out tb3out tb4out 39 38 37 36 35 34 33 32 31 1 2 3 4 5 6 7 8 9 10 enr ta1in ta2in ta3in ta4in ra5out ra4out ra3out ra2out ra1out ra1in ra2in ra3in ra4in ra5in ta1out ta2out ta3out ta4out gnd top view max245 30 29 28 27 26 25 24 23 22 21 11 12 13 14 15 16 17 18 19 dip 20 max245 functional description 10 receivers 5 a-side receivers (ra5 always active) 5 b-side receivers (rb5 always active) 8 transmittters 4 a-side transmitters 2 control pins 1 receiver enable (enr) 1 transmitter enable (ent) 39 + enr ent MAX220Cmax249 30 maxim integrated +5v y? rs-232 z? / l 22. max246 ' 9 hesh;?k 400k v cc 400k gnd +5v +5v +5v +5v +5v 40 16 1f 2 18 4 ta1out ta1in ta3out ta3in 20 24 38 22 36 1 39 tb1out tb1in tb3out tb3in 400k +5v 17 3 ta2out ta2in +5v 23 37 tb2out tb2in 400k +5v 19 5 ta4out ta4in +5v 21 35 tb4out tb4in 5k 5k 5k 5k 5k 5k 5k 5k 5k 5k 11 ra1in 10 ra1out 12 ra2in 9 ra2out 13 ra3in 8 ra3out 14 ra4in 7 ra4out 15 ra5in 6 ra5out 29 30 28 31 27 32 26 33 25 34 rb1in rb1out rb2in rb2out rb3in rb3out rb4in rb4out rb5in rb5out 40 v cc enb tb1in tb2in tb3in tb4in rb5out rb4out rb3out rb2out rb1out rb1in rb2in rb3in rb4in rb5in tb1out tb2out tb3out tb4out 39 38 37 36 35 34 33 32 31 1 2 3 4 5 6 7 8 9 10 ena ta1in ta2in ta3in ta4in ra5out ra4out ra3out ra2out ra1out ra1in ra2in ra3in ra4in ra5in ta1out ta2out ta3out ta4out gnd top view max246 30 29 28 27 26 25 24 23 22 21 11 12 13 14 15 16 17 18 19 dip 20 max246 functional description 10 receivers 5 a-side receivers (ra5 always active) 5 b-side receivers (rb5 always active) 8 transmitters 4 a-side transmitters 4 b-side transmitters 2 control pins enable a-side (ena) enable b-side (enb) ena enb + MAX220Cmax249 maxim integrated 31 +5v y? rs-232 z? / l 23. max247 ' 9 hesh;?k 400k v cc 400k gnd +5v +5v +5v +5v +5v 1 40 16 1f 2 18 4 5k 5k 5k 5k 5k 5k 5k 5k enta ta1out ta1in ta3out ta3in 6 rb5out 12 ra1in 10 ra1out 13 ra2in 9 ra2out 14 ra3in 8 ra3out 15 ra4in 7 20 ra4out 11 39 24 38 22 36 29 31 28 32 27 33 26 34 30 enra entb tb1out tb1in tb3out tb3in rb1in 5k 25 rb5in rb1out rb2in rb2out rb3in rb3out rb4in rb4out enrb 400k +5v 17 3 ta2out ta2in +5v 23 37 tb2out tb2in 400k +5v 19 5 ta4out ta4in +5v 21 35 tb4out tb4in 40 v cc entb tb1in tb2in tb3in tb4in rb4out rb3out rb2out rb1out rb1in rb2in rb3in rb4in rb5in tb1out tb2out tb3out tb4out 39 38 37 36 35 34 33 32 31 1 2 3 4 5 6 7 8 9 10 enta ta1in ta2in ta3in ta4in rb5out ra4out ra3out ra2out ra1out ra1in ra2in ra3in ra4in ta1out ta2out ta3out ta4out gnd top view max247 30 29 28 27 26 25 24 23 22 21 11 12 13 14 15 16 17 18 19 dip 20 enra enrb max247 functional description 9 receivers 4 a-side receivers 5 b-side receivers (rb5 always active) 8 transmitters 4 a-side transmitters 4 b-side transmitters 4 control pins enable receiver a-side (enra) enable receiver b-side (enrb) enable receiver a-side (enta) enable receiver b-side (entb) + MAX220Cmax249 32 maxim integrated +5v y? rs-232 z? / l 24. max248 ' 9 hesh;?k 400k +10v to -10v voltage inverter +5v to +10v voltage doubler v cc 400k gnd +5v +5v +5v +5v +5v 18 25 24 23 21 20 1 1f 1f 1f 1f 1f 14 3 16 5k 5k 5k 5k 5k 5k 5k 5k enta c2- c2+ c1- c1+ ta1out ta1in ta3out ta3in 8 ra1in 10 ra1out 7 ra2in 11 ra2out 6 ra3in 12 ra3out 5 ra4in 13 19 ra4out 9 27 26 22 44 31 42 29 37 35 38 34 39 33 40 32 36 enra entb v- v+ tb1out tb1in tb3out tb3in rb1in rb1out rb2in rb2out rb3in rb3out rb4in rb4out enrb 400k +5v 2 15 ta2out ta2in +5v 43 30 tb2out tb2in 400k +5v 4 17 ta4out ta4in +5v 41 28 tb4out tb4in 44123 44 0 4142 43 5 21 24 26 25 27 28 22 23 19 20 8 9 10 11 12 13 14 15 16 17 29 30 31 32 33 34 35 36 37 38 ta4in v cc ra4in max248 plcc top view ta4out ta3out ta2out ta1out tb1out tb2out tb3out ta4out rb4in gnd v+ c1+ c2+ c1- v- c2- tb4in entb rb2in rb1in rb1out rb2out rb3out rb4out tb1in tb2in tb3in ta3in ta2in ta1in ra4out ra3out ra2out ra1out enra ra1in 7 39 rb3in ra2in 6 18 ra3in enrb enta max248 functional description 8 receivers 4 a-side receivers 4 b-side receivers 8 transmitters 4 a-side transmitters 4 b-side transmitters 4 control pins enable receiver a-side (enra) enable receiver b-side (enrb) enable receiver a-side (enta) enable receiver b-side (entb ) + MAX220Cmax249 maxim integrated 33 +5v y? rs-232 z? / l 25. max249 ' 9 hesh;?k 400k +10v to -10v voltage inverter +5v to +10v voltage doubler v cc 400k 400k gnd +5v +5v +5v +5v +5v +5v +5v 18 25 24 23 21 20 1 1f 1f 1f 1f 15 2 16 3 17 5k 5k 5k 5k 5k 5k 5k 5k 5k 5k enta c2- c2+ c1- c1+ ta1out ta1in ta2out ta2in ta3out ta3in 8 ra1in 10 ra1out 7 ra2in 11 ra2out 6 ra3in 12 ra3out 5 ra4in 13 ra4out 4 ra5in 14 19 ra5out 9 27 26 22 44 30 43 29 42 28 37 35 38 34 39 33 40 32 41 31 36 enra entb v- v+ tb1out tb1in tb2out tb2in tb3out tb3in rb1in rb1out rb2in rb2out rb3in rb3out rb4in rb4out rb5in rb5out enrb 44123 44 0 4142 43 5 21 24 26 25 27 28 22 23 19 20 8 9 10 11 12 13 14 15 16 17 29 30 31 32 33 34 35 36 37 38 v cc ra4in ra5in max249 plcc top view ta3out ta2out ta1out tb1out tb2out tb3out rb4in rb5in gnd v+ c1+ c2+ c1- v- c2- tb3in entb rb2in rb1in rb1out max249 functional description 10 receivers 5 a-side receivers 5 b-side receivers 6 transmitters 3 a-side transmitters 3 b-side transmitters 4 control pins enable receiver a-side (enra) enable receiver b-side (enrb) enable receiver a-side (enta) enable receiver b-side (entb) rb2out rb3out rb4out rb5out tb1in tb2in ta3in ta2in ta1in ra4out ra5out ra3out ra2out ra1out enra ra1in 7 39 rb3in ra2in 6 18 ra3in enrb enta 1f + MAX220Cmax249 34 maxim integrated +5v y? rs-232 z? / l _____________________________________________________________________ ?? ( ? ) part max222cpn+ 0c to +70c temp range pin-package part temp range pin-package 18 plastic dip max222cwn+ 0c to +70c 18 wide so max222c/d 0c to +70c dice* max222epn+ -40c to +85c 18 plastic dip max222ewn+ -40c to +85c 18 wide so max222ejn -40c to +85c 18 cerdip max222mjn -55c to +125c 18 cerdip max223cai+ 0c to +70c 28 ssop max223cwi+ 0c to +70c 28 wide so max223c/d 0c to +70c dice* max223eai+ -40c to +85c 28 ssop max223ewi+ -40c to +85c 28 wide so max225cwi+ 0c to +70c 28 wide so max225ewi+ -40c to +85c 28 wide so max230cpp+ 0c to +70c 20 plastic dip max230cwp+ 0c to +70c 20 wide so max230c/d 0c to +70c dice* max230epp+ -40c to +85c 20 plastic dip max230ewp+ -40c to +85c 20 wide so max230ejp -40c to +85c 20 cerdip max230mjp -55c to +125c 20 cerdip max231cpd+ 0c to +70c 14 plastic dip max231cwe+ 0c to +70c 16 wide so max231cjd 0c to +70c 14 cerdip max231c/d 0c to +70c dice* max231epd+ -40c to +85c 14 plastic dip max231ewe+ -40c to +85c 16 wide so max231ejd -40c to +85c 14 cerdip max231mjd -55c to +125c 14 cerdip max232cpe+ 0c to +70c 16 plastic dip max232cse+ 0c to +70c 16 narrow so max232cwe+ 0c to +70c 16 wide so max232c/d 0c to +70c dice* max232epe+ -40c to +85c 16 plastic dip max232ese+ -40c to +85c 16 narrow so max232ewe+ -40c to +85c 16 wide so max232eje -40c to +85c 16 cerdip max232mje -55c to +125c 16 cerdip max232mlp+ -55c to +125c 20 lcc max232acpe+ 0c to +70c 16 plastic dip max232acse+ 0c to +70c 16 narrow so max232acwe+ 0c to +70c 16 wide so max232ac/d max232aepe+ -40c to +85c 16 plastic dip max232aese+ 0c to +70c dice* -40c to +85c 16 narrow so max232aewe+ -40c to +85c 16 wide so max232aeje -40c to +85c 16 cerdip max232amje -55c to +125c 16 cerdip max232amlp+ -55c to +125c 20 lcc max233cpp+ 0c to +70c 20 plastic dip max233epp+ -40c to +85c 20 plastic dip max233acpp+ 0c to +70c 20 plastic dip max233acwp+ 0c to +70c 20 wide so max233aepp+ -40c to +85c 20 plastic dip max233aewp+ -40c to +85c 20 wide so max234cpe+ 0c to +70c 16 plastic dip max234cwe+ 0c to +70c 16 wide so max234c/d 0c to +70c dice* max234epe+ -40c to +85c 16 plastic dip max234ewe+ -40c to +85c 16 wide so max234eje -40c to +85c 16 cerdip max234mje -55c to +125c 16 cerdip max235cpg+ 0c to +70c 24 wide plastic dip max235epg+ -40c to +85c 24 wide plastic dip max235edg -40c to +85c 24 ceramic sb max235mdg -55c to +125c 24 ceramic sb max236cng+ 0c to +70c 24 narrow plastic dip max236cwg+ 0c to +70c 24 wide so max236c/d 0c to +70c dice* max236eng+ -40c to +85c 24 narrow plastic dip max236ewg+ -40c to +85c 24 wide so max236erg -40c to +85c 24 narrow cerdip max236mrg -55c to +125c 24 narrow cerdip max237cng+ 0c to +70c 24 narrow plastic dip max237cwg+ 0c to +70c 24 wide so max237c/d 0c to +70c dice* max237eng+ -40c to +85c 24 narrow plastic dip max237ewg+ -40c to +85c 24 wide so max237erg -40c to +85c 24 narrow cerdip max237mrg -55c to +125c 24 narrow cerdip max238cng+ 0c to +70c 24 narrow plastic dip max238cwg+ 0c to +70c 24 wide so max238c/d 0c to +70c dice* + ?? ? (pb)/ ;) rohs ??h" * a ?? ? MAX220Cmax249 maxim integrated 35 +5v y? rs-232 z? / l _____________________________________________________________________ ?? ( ? ) max238eng+ -40c to +85c 24 narrow plastic dip 18 cerdip -55c to +125c max242mjn 18 cerdip -40c to +85c max242ejn 18 wide so -40c to +85c max242ewn+ 18 plastic dip -40c to +85c max242epn+ dice* 0c to +70c max242c/d 18 wide so 0c to +70c max242cwn+ 18 plastic dip 0c to +70c max242cpn+ 20 ssop 0c to +70c max242cap+ 28 wide so -40c to +85c max241ewi+ 28 ssop -40c to +85c max241eai+ dice* 0c to +70c max241c/d 28 wide so 0c to +70c max241cwi+ 28 ssop 0c to +70c max241cai+ dice* 0c to +70c max240c/d 44 plastic fp 0c to +70c max240cmh+ 24 narrow cerdip -55c to +125c max239mrg 24 narrow cerdip -40c to +85c max239erg 24 wide so -40c to +85c max239ewg+ 24 narrow plastic dip -40c to +85c max239eng+ dice* 0c to +70c max239c/d 24 wide so 0c to +70c max239cwg+ 24 narrow plastic dip 0c to +70c max239cng+ 24 narrow cerdip -55c to +125c 24 wide so pin-package temp range -40c to +85c max238mrg 24 narrow cerdip -40c to +85c max238erg max238ewg+ part pin-package temp range part 44 plcc -40c to +85c max249eqh+ 44 plcc 0c to +70c max249cqh+ 44 plcc -40c to +85c max248eqh+ dice* 0c to +70c max248c/d 44 plcc 0c to +70c max248cqh+ 40 plastic dip -40c to +85c max247epl+ dice* 0c to +70c max247c/d 40 plastic dip 0c to +70c max247cpl+ 40 plastic dip -40c to +85c max246epl+ dice* 0c to +70c max246c/d 40 plastic dip 0c to +70c max246cpl+ 40 plastic dip -40c to +85c max245epl+ dice* 0c to +70c max245c/d 40 plastic dip 0c to +70c max245cpl+ 44 plcc -40c to +85c max244eqh+ dice* 0c to +70c max244c/d 44 plcc 0c to +70c max244cqh+ 16 cerdip -55c to +125c max243mje 16 cerdip -40c to +85c max243eje 16 wide so -40c to +85c max243ewe+ 16 narrow so -40c to +85c max243ese+ 16 plastic dip -40c to +85c max243epe+ dice* 0c to +70c max243c/d 16 wide so 0c to +70c 16 plastic dip 0c to +70c max243cwe+ 16 narrow so 0c to +70c max243cse+ max243cpe+ + ?? ? (pb)/ ;) rohs ??h" * a ?? ? MAX220Cmax249 36 maxim integrated +5v y? rs-232 z? / l ?? i ? ??i| o ?? i| 14 pdip p14+3 21-0043 16 pdip p16+1 16 pdip p16+2 16 pdip p16+3 18 pdip p18+5 20 pdip p20+3 20 pdip p20m+1 24 pdip n24+3 24 pdip p24m+1 21-0044 28 pdip p28+2 40 pdip p40+1 40 pdip p40m+2 14 cerdip j14-3 21-0045 16 cerdip j16-3 18 cerdip j18-2 20 cerdip j20-2 24 cerdip r24-4 16 so(n) s16+3 21-0041 90-0097 16 so(n) s16+5 16 so(w) w16+1 21-0042 90-0107 16 so(w) w16+2 16 so(w) w16+3 18 so(w) w18+1 90-0181 20 so(w) w20+3 90-0108 20 so(w) w20m+1 24 so(w) w24+2 90-0182 28 so(w) w28+1 90-0109 28 so(w) w28+2 28 so(w) w28m+1 20 lcc l20+3 21-0658 90-0177 20 ssop a20+1 21-0056 90-0094 24 ssop a24+2 90-0110 28 ssop a28+1 90-0095 16 tssop u16+1 90-0117 16 fpck f16-3 21-0013 44 mqfp m44+5 21-0826 90-0169 44 plcc q44+1 21-0049 90-0236 44 plcc q44+2 ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` v?g? ??" | v?jpg? [ fdz ?? china.maxim-ic.com/packages ??@ v? i|| , $ t . ?-, s p i t? v?d| -t :y4|?? oc v?d? v?? s p i t?? MAX220Cmax249 maxim integrated 37 +5v y? rs-232 z? / l 15 1/06 2, 5, 8 16 7/10 1, 2C9, 17C36 ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ?? ?% ?? s ???e ? ? ? absolute maximum ratings )h' 9tar ; 32 a?"?b\? ?? electrical characteristics r?0 / 3 4 5 7 ' 8 ?? electrical characteristics ' ' 9 he r%a 5h' 9 ?? MAX220Cmax249 ma xim ma xim ??????? ? max im ????????? ? ???(??)?????? maxim integrated 160 rio robles, san jose, ca 95134 usa 1-408-601-1000 38 ? 2010 maxim integrated maxim?maxim integratedmaxim integrated products, inc.?? maxim 8328 100083 ?800 810 0310 010-6211 5199 010-6211 5299 |
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