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________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 1 / 1 6 um3221e/ um3222 e /um323 2e fail - safe, single supply rs - 232 transceivers um3221e/ um 3 2 2 2 e / um3232 e general description the um3221e/ um3222e/um3232e series are 3 .3 v powered rs - 232 transceiver s intended for portable or hand - held applications. the um3221e has one driver/one receiver whil e the um3222e/um3232e ha s two drivers/two receivers. the device features low power consumption, high data - rate capabilit y and enhanced esd protection. the esd rating of all transmitter outputs and receiver inputs is 15kv for both human body mode and iec61 000 - 4 - 2 air discharge methods, and over 8 kv for iec61000 - 4 - 2 contact discharge methods . the logic i/o pin s are protected to 2 kv for human body mode . small footprint , low profile package and the use of small 0.1f capacitors ensure board space savings as well. data rates greater than 250kbps are guaranteed at worst case load conditions. this family is fully compatible with 3.3v - only systems , mixed 1.8 v and 3.3 v systems , mixed 3.3v and 5.0v systems and 5.0v - only systems. the um3221e/ um3222 e has a low - power shutdown mode where the devices driver outputs and charge pumps are disabled. during shutdown, the supply current falls to less than 1a that reduces power consumption in battery - powered portable systems or other low power consumption systems . the um3221e/ um3222 e receivers remain active in shutdown mode, allowing monitoring of external signals . the um3221e/ um3222 e and um32 32 e are pin, package, and functionally compatible with the industry standard max242 and max 232, respectively. applications features ? industrial automation equipment s ? battery - powered equipments ? hand - held equipment s ? pos t erminal s ? meets t rue eia/tia - 232 - f standards from a +3.0v to +5.5v p ower s upply ? meets eia/tia - 562 l evels of 3.7v with s upply v oltages as l ow as 2.7v ? enhanced esd specifications: 15kv human body mode 15kv iec61000 - 4 - 2 air discharge mode 8kv iec61000 - 4 - 2 contact discharge mode ? 1 a l ow p ower s hutdown ( um3221e/ um3222 e ) ? 2 50 k bps m inimum t ransmission r ate ? guaranteed 30v/s m ax s lew r ate ? latch - up p erformance e xceeds 200ma ? hot s wap and f ail - s afe ? i/o l ogic c ompatible with 1.8v l ogic @ v c c =3.3v
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 2 / 1 6 um3221e/ um3222 e /um323 2e ordering information p art number t emp . r ange package type shipping qty um3221eeae - 40c to +85c ssop16 2000pcs/13 inch tape & reel um3221eeue - 40c to +85c tssop16 3000pcs/13 inch tape & reel um3222eeue - 40c to +85c tssop20 3000pcs/13 inch tape & reel um3232eese - 40c to +85c sop16 2500 pcs/13 inch tape & reel UM3232EEPE - 40c to +85c dip16 25 pcs/tube um3232eeue - 40c to +85c tssop16 3000pcs/13 inch tape & reel um3232eeae - 40c to +85c ssop16 2000pcs/13 inch tape & reel absolute maximum ratings (note 1) symbol p arameter value uni t v cc supply voltage on v cc - 0.3 to +6 v v + voltage on v + (v cc - 0.3) to + 7.5 v v - voltage on v - - 7. 5 to +0.3 v t_in voltage on t_in - 0.3 to ( v cc + 0.3) v r_in voltage on r_in 30 v t_out voltage on t_out (v - - 0.3) to (v + + 0.3) v r_out voltage on r_out - 0.3 to (v cc + 0.3) v short - circuit duration, t_out continuous p d continuous power dissipation at t a = 70 c ssop16 775 mw tssop20 879 sop16 696 dip16 842 tssop16 754 t a operating temperature range - 40 to +85 c t stg storage temp erature range - 6 5 to + 1 65 c t l maximum lead temperature for s oldering 10 s econds +300 c note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional opera tion 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.
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 3 / 1 6 um3221e/ um3222 e /um323 2e electrical cha racteristics (v cc =+ 3.0 v to +5.5v , c1 - c4=0.1 f, t a =t mi n to t max , unless otherwise noted. typical values are at t a =25 c ) p arameter s ymbol c onditions m in t yp m ax u nit dc characteristics ( v cc =+3.3v or +5v, t a =25 c ) v cc supply current i cc shdn ____________ = v cc , no l oad 0.3 1 ma shutdown supply cu rrent i shdn shdn ____________ = gnd 1 a logic inputs input leakage current t_in, shdn ____________ , en ______ 1 a input threshold low v il t_in, shdn ____________ , en ______ v cc = 3.3 v 0.8 v v cc = 5.0 v 0.8 input threshold high v ih t_in, shdn ____________ , en ______ v cc = 3.3 v 1. 6 v v cc = 5.0 v 2 .2 transmitter input hysteresis v cc = 3.3 v 0.2 v v cc = 5.0 v 0.15 receiver outputs output voltage low v ol v cc = 3.3 v , i out = 10 ma 0. 8 v v cc = 5.0 v , i out = 10 ma 0. 8 output voltage high v oh v cc = 3.3 v , i out = - 3.0 ma 2.8 v v cc = 5 .0 v , i out = - 3 .0ma 4. 4 receiver inputs input voltage range - 30 30 v input threshold low t a = +25c v cc = 3.3 v 0.8 1.15 v v cc = 5.0 v 0.8 1.55 input threshold high t a = +25c v cc = 3.3 v 1.35 2 v v cc = 5.0 v 1.75 2 input hysteresis 0.2 v input resistance t a = +25c 3 5 7 k transmitter outputs output voltage swing all d rivers l oaded with 3k to g round 5 . 0 6.0 v output short - circuit current s hort to v cc , gnd or o ther txd p in v cc = 3.3 v 30 6 0 ma v cc = 5.0 v 40 6 0 ma
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 4 / 1 6 um3221e/ um3222 e /um323 2e electrical characteristics (continued) (v cc =+ 3.0 v to +5.5v , c1 - c4=0.1 f, t a =t min to t max , unless otherwise noted. typical values are at t a =25 c ) p arameter s ymbol c onditions m in t yp m ax u nit timing characteristics maximum data rate r l = 3k to 7k , c l = 50pf to 1000pf, o ne t ransmitter s witch ing 250 kbps receiver propagation delay t plh , t phl c l = 150pf figure 1 all p arts, n ormal o peration 0. 15 s receiver skew |t phl - t plh | 0.1 s transmitter propagation delay t plh , t phl r l = 3k , c l = 2500pf, a ll t ransmitters l oaded figure 1 0.9 s transmitter skew |t phl - t plh | 0.1 s transition - region slew rate t a = +25c, v cc = 3.3 v, r l = 3k to 7k , c l = 50pf to 1000pf, m easured from - 3v to +3v or +3v to - 3v, figure 1 3 15 30 v/ s esd and latch up performance r_in, t_out esd - protection voltage human body model 15 kv iec61000 - 4 - 2, contact discharge 8 iec61000 - 4 - 2, air - gap discharge 15 logic p in esd - protection voltage human body model 2 kv latch up performance jedec standard no . 78d 200 ma
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 5 / 1 6 um3221e/ um3222 e /um323 2e pin configurations ssop16 /tssop16 tssop 20 sop16/dip16/tssop16 /ssop16 pin description p in no. pin n ame f unction um3221e um3222 e um3232e 1 1 - en ______ receiver enable. active low. 2 2 1 c1 + positive t erminals of v oltage - d oubler c harge p ump c apacitor 3 3 2 v + positive v olta ge g enerated by the c harge p ump 4 4 3 c1 - negative t erminals of v oltage - d oubler c harge p ump c apacitor 5 5 4 c2 + positive t erminals of i nverting c harge p ump c a pacitor 6 6 5 c2 - negative t erminals of i nverting c harge p ump c apacitor 7 7 6 v - negative v oltage g enerated by the c harge p ump 13 8, 17 7, 14 t_out rs - 232 driver outputs 8 9, 16 8, 13 r_in rs - 232 receiver inputs 9 10, 15 9, 12 r_out rs - 232 receiver outputs 11 12, 13 10, 11 t_in rs - 232 driver inputs 14 18 15 gnd ground 15 19 16 v cc + 3.0 v to +5.5v supply voltage input 16 20 - shdn ____________ shut off p ump p ower and t ransmitters. active low . 9 8 7 6 5 4 3 2 1 u m 3 2 2 2 e 2 0 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 e n c 1 + v + c 1 - c 2 + c 2 - v - t 2 o u t r 2 i n r 2 o u t n c t 2 i n t 1 i n n c r 1 o u t r 1 i n t 1 o u t g n d v c c s h d n 8 7 6 5 4 3 2 1 u m 3 2 3 2 e 1 6 9 1 0 1 1 1 2 1 3 1 4 1 5 c 1 + v + c 1 - c 2 + c 2 - v - t 2 o u t r 2 i n r 2 o u t t 2 i n t 1 i n r 1 o u t r 1 i n t 1 o u t g n d v c c 8 7 6 5 4 3 2 1 u m 3 2 2 1 e 1 6 9 1 0 1 1 1 2 1 3 1 4 1 5 e n c 1 + v + c 1 - c 2 + c 2 - v - r 1 i n t 1 o u t g n d v c c s h d n n c n c r 1 o u t t 1 i n
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 6 / 1 6 um3221e/ um3222 e /um323 2e detailed description dual cha r ge - pump voltage converter the um3221e/ um3222e/um3232e s internal power supply consists of a r egulated dual charge p ump and provides output the maxim voltages of + 7 v (doubling charge pump) and - 7 v (inverting charge pump) over the +3.0v to +5.5v v cc range. the charge pump operates in discontinuous mode; if the output voltages are less than 7 v, the c harge pump is enabled, and if the output voltages exceed 7 v, the charge pump is disabled. the charge pump s require only four s mall, external 0.1f capacitors for the voltage doubler and inverter functions ( s ee figure 2 ) . rs - 232 transmitters the transmitters are inverting level translators that translate ttl/cmos inputs to eia/tia - 232 output levels. all um3221e/ um3222e/um3232e t ransmitters guarantee a 2 5 0kbps data rate for full load conditions ( 3 k and 1000pf ) . transmitters can be paralleled to drive multiple receivers. rs - 232 receivers t he receivers convert rs - 232 signals to cmos output levels and accept inputs up to 30 v while presenting the required 3k to 7k input impedance . the um3221e/ um3222 e receivers have inve rting three - state outputs. driv e en ______ high to place the receiver s into a high impedance state. receivers can be either active or inactive in shutdown st ate depending on en ______ status . um3221e/ um3222 e supply current falls to less than 1a in shutdown mode ( shdn ____________ = gnd). when shutdown, the devices charge pumps are shut off, v+ is pulled down to v cc , v - is pulled to ground, and the transmitter outputs are disabled (high impedance). the time required to recover from shutdown is typically 100s. connect shdn ____________ to v cc if shutdown mode is not used. shdn ____________ has no effec t on r_out. 15kv esd protection all pins on um3221e/ um3222e/um3232e devices include esd protection structures, but the family incorporates advanced structures which allow the rs - 232 pins (transmitter outputs and receiver inputs) to survive esd events up to 15kv. the rs - 232 pins are particularly vulnerable to esd damage because they are typically connect ed to an exposed port on the exterior of the finished product. the esd structures withstand high esd in all sta tes: normal operation, shutdown and powered down. after an esd event, c ircuits keep working without latch up. esd protection can be tested in various ways; the transmitter outputs and receiver inputs are characterized for protection to the following limits: 15kv using the human body model , 8kv us ing the contact di scharge method specified in iec 6 1000 - 4 - 2 , 15kv using the air - gap discharge method specified in iec 6 1000 - 4 - 2. t he logic pin s are characterized for protection to the follo wing limit : 2 kv using the human body model . h ot s wap and fail - s afe the um3221e/ um3222e/um3232e guarantee s a logic - high receiver output when the receiver inputs are shorted to gnd or open, or when they are connected to a line with no driver ena ble d. b ecause of the latch - up c haracteristics and all sort protection, um3221e/ um3222e/um3232e support h ot swap.
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 7 / 1 6 um3221e/ um3222 e /um323 2e test circuits figure 1 + 3 v o r + 5 v 0 . 1 f 0 . 1 f 0 . 1 f 0 . 1 f v c c c 1 + c 1 - c 2 + c 2 - 4 0 0 k t _ r _ t _ o u t t _ i n r _ i n r _ o u t v c c v + v - 5 k r l c l u m 3 2 3 2 e + + + + t r a n s m i t t e r t e s t c i r c u i t p u l s e g e n e r a t o r + 3 v o r + 5 v 0 . 1 f 0 . 1 f 0 . 1 f 0 . 1 f 0 . 1 f v c c c 1 + c 1 - c 2 + c 2 - 4 0 0 k t _ r _ t _ o u t t _ i n r _ i n r _ o u t v c c v + v - 5 k u m 3 2 3 2 e + + + + + r e c e i v e r t e s t c i r c u i t p u l s e g e n e r a t o r c l c 1 c 2 c 3 c 4 c 1 c 2 c 4 0 . 1 f + c 3 3 v 0 v v o h v o l i n p u t o u t p u t 1 0 % 5 0 % 9 0 % 9 0 % 5 0 % 1 0 % 1 . 5 v 1 . 5 v 4 s t p h l t p l h 1 0 n s 1 0 n s r e c e i v e r w a v e f o r m s 3 v 0 v v o h v o l i n p u t o u t p u t 1 0 % 5 0 % 9 0 % 9 0 % 5 0 % 1 0 % 4 s t p h l t p l h 1 0 n s 1 0 n s t r a n s m i t t e r w a v e f o r m s t t h l t t l h 1 0 % 1 0 % 9 0 % 9 0 %
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 8 / 1 6 um3221e/ um3222 e /um323 2e typical operating circuits figure 2 + 3 . 3 v c 5 c 1 c 2 c 4 + 3 . 3 v c 1 + c 1 - c 2 + c 2 - 400 k t 1 out t 1 in r 1 in r 1 out v cc v + v - 5 k + + + + + 3 . 3 v 400 k t 2 out t 2 in r 2 in r 2 out 5 k gnd 19 2 4 5 6 3 7 13 12 17 8 15 10 16 9 ttl / cmos inputs ttl / cmos outputs rs - 232 outputs rs - 232 inputs um 3222 e 18 20 1 en shdn + c 3 + 3 . 3 v c 5 c 1 c 2 c 4 + 3 . 3 v c 1 + c 1 - c 2 + c 2 - 400 k t 1 out t 1 in r 1 in r 1 out v cc v + v - 5 k + + + + gnd 15 2 4 5 6 3 7 11 13 9 8 ttl / cmos input ttl / cmos output rs - 232 input um 3221 e 14 16 1 en shdn rs - 232 output + c 3 + 3 . 3 v c 5 c 1 c 2 c 4 + 3 . 3 v c 1 + c 1 - c 2 + c 2 - 400 k t 1 out t 1 in r 1 in r 1 out v cc v + v - 5 k + + + + + 3 . 3 v 400 k t 2 out t 2 in r 2 in r 2 out 5 k gnd 16 1 3 4 5 2 6 11 10 14 7 12 9 13 8 ttl / cmos inputs ttl / cmos outputs rs - 232 outputs rs - 232 inputs um 3232 e 15 + c 3
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 9 / 1 6 um3221e/ um3222 e /um323 2e typical operating characteristics (v cc =+ 3.3 v, 250kbps data rate, 0.1 f capacitors , all transmitters loaded with 3k and c l , t a =25 c , unless otherwise noted.) transmitting at 2 5 0kbps c l =1000pf transmitting at 2 5 0kbps c l =1000pf transmitting at 2 5 0kbps c l =1000pf transmitting at 2 0kbps transmitting at 2 0kbps transmitting at 2 0kbps transmitter output voltage vs. supply voltage -8 -6 -4 -2 0 2 4 6 8 2 2.5 3 3.5 4 4.5 5 supply voltage(v) transmitter output voltage(v) vout+ vout- v+,v- vs. supply voltage -8 -6 -4 -2 0 2 4 6 8 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 6 supply voltage (v) v+,v-(v) v+ v- supply current vs.supply voltage 15 20 25 30 35 2 2.5 3 3.5 4 4.5 5 5.5 6 supply voltage(v) supply current(ma) transmitter output voltage vs. load capacitance -8 -6 -4 -2 0 2 4 6 8 0 500 1000 1500 2000 2500 3000 load capacitance (pf) transmitter output voltage(v) vout+ vout- supply current vs. load capacitance 15 17 19 21 23 25 0 500 1000 1500 2000 2500 3000 load capacitance (pf) supply current (ma) slew rate vs. load capacitance 0 5 10 15 20 25 30 0 500 1000 1500 2000 2500 3000 load capacitance (pf) slew rate (v/us) +slew -slew
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 10 / 1 6 um3221e/ um3222 e /um323 2e applications information capacitor selection the capa citor type used for c1 C c4 is not critical for proper operation; polarized or non - polarized capacitors can be used. the charge pump requires 0.1f capacitors for 3.3v operation. increa sing the capacitor values (e.g. by a factor of 2) reduces ripple s on the transmitter outputs and slightly re duces power consumption. c2, c3 and c4 can be increased without changing c1s value. when using the minimum required capacitor values, make sure the capacitor value does not degrade excessively with temperature. if in dou bt, use capacitors with a larger nominal value. the capacitor s equivalent series resistance (esr), which usually rises at low temperatures, influences the amount of ripple s on v+ and v - output voltages. the following table shows some recommended minimum r equired pump capacitor value s for different input voltage ranges. minimum required pump capacitor value input voltage v cc charge pump capacitor value for um32xx 2.7v to 3.6v c1 C C C power suppl y decoupling in most circumstances, a 0.1f v cc bypass capacitor is adequate. in applications sensitive to power - supply noise, use a capacitor of the same value as charge pump capacitor c1. connect bypass capacitors to the ic as close as possible. operati on down to 2.7v transmitter outputs meet eia/tia - 562 levels of 3.7v with supply voltages as low as 2.7v. interconnection with 3v and 5v logic the um3221e/ um3222e/um3232e can directly interface with various 3v and 5v logic families, including act and hct cmos.
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 11 / 1 6 um3221e/ um3222 e /um323 2e package information um3232eese sop16 outline drawing dimensions symbol millimeters inches min typ max min typ max a 1.35 1.60 1.75 0.053 0.063 0.069 a1 0.10 - 0.25 0.004 - 0.010 a2 1.25 1.45 1.65 0.049 0.057 0.065 b 0.3 3 - 0.51 0.01 3 - 0.0 20 c 0.17 - 0.25 0.007 - 0.010 d 9.80 10.00 10. 2 0 0.386 0.394 0.402 e 3.80 3.90 4.00 0.150 0.154 0.157 e1 5.80 6.00 6.20 0.228 0.236 0.244 e 1.27bsc 0.050 bsc l 0.4 0 - 1.27 0.016 - 0.050 0 - 8 0 - 8 land pattern notes: 1. compound dimension: 10.00 3.9 0 . 2. unit: mm . 3. general tolerance 0.0 5 mm unless otherwise specified . 4. the layout is just for reference. tape and reel orientation d e e 1 e b c a 2 a 1 a l t o p v i e w e n d v i e w s i d e v i e w p i n # 1 i d 1 . 2 7 0 . 6 0 1 . 8 7 6 . 8 0 u m 3 2 3 2 e e s e x x
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 12 / 1 6 um3221e/ um3222 e /um323 2e UM3232EEPE dip16 outline drawing dimensions symbol millimeters inches min typ max min typ max a 3.71 4.01 4.31 0.146 0.158 0.170 a1 0.51 - - 0.020 - - a2 3.20 3.40 3.60 0.126 0.134 0.142 b 0.38 0.48 0.57 0.015 0 .019 0.022 b 1 1.52bsc 0.060bsc c 0.20 0.28 0.36 0.008 0.011 0.014 d 18.80 19.00 19.20 0.740 0.748 0.756 e 6.20 6.40 6.60 0.244 0.252 0.260 e1 7.32 7.62 7.92 0.288 0.300 0.312 e2 8.40 8.70 9.00 0.331 0.343 0.354 e 2.54bsc 0.100bsc l 3.00 3.30 3.60 0 .118 0.130 0.142 s i d e v i e w e n d v i e w e a l b 1 b a 1 e 1 c e 2 a 2 t o p v i e w p i n # 1 i d d e
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 13 / 1 6 um3221e/ um3222 e /um323 2e um3221eeue/um3232eeue tssop16 outline drawing dimensions symbol m illimeters i nches min typ max min typ max a - - 1. 2 0 - - 0.047 a1 0.05 - 0.15 0.002 - 0.006 a2 0. 8 0 - 1.0 5 0.031 - 0.041 a3 0. 34 0.44 0. 54 0.013 0.017 0.021 b 0. 19 - 0.30 0.007 - 0.01 2 c 0. 09 - 0. 20 0.004 - 0.00 8 d 4. 86 4.96 5. 10 0.19 1 0.195 0.201 e 4.30 4.40 4.50 0.169 0.173 0.177 e 1 6.2 0 6.40 6. 60 0.24 4 0.252 0.260 e 0.65bsc 0.026 bsc l 0.45 0.60 0.75 0.0 18 0.024 0.030 l1 1.00ref 0.039ref l2 0.25bsc 0.010bsc 1 0 - 8 0 - 8 2 10 12 14 10 12 14 3 10 12 14 10 12 14 land pattern notes: 1. compound dimension: 4.96 4.4 0 . 2. unit: mm . 3. general tolerance 0.0 5 mm unless otherwise specified . 4. the layout is just for reference. tape and reel orientation p i n # 1 i d d e 1 e b e a 3 a 2 a a 1 2 3 1 l l 1 l 2 c t o p v i e w e n d v i e w s i d e v i e w 0 . 6 5 5 . 8 0 0 . 3 5 1 . 3 5 x x x x x x x x x x x x
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 14 / 1 6 um3221e/ um3222 e /um323 2e um3222eeue tssop20 outline drawing dimensions symbol m illimeters i nches min typ max min typ max a - - 1.20 - - 0.047 a1 0.05 - 0.15 0.002 - 0.006 a2 0. 8 0 - 1.05 0.03 1 - 0.041 a3 0.34 0.44 0.54 0.013 0.017 0.021 b 0. 19 - 0. 30 0.00 7 - 0.01 2 c 0.09 - 0.20 0.004 - 0.008 d 6.40 6.50 6.60 0.25 2 0.256 0.26 0 e 4.30 4.40 4.50 0.169 0.173 0.177 e 1 6.20 6.40 6.60 0.24 4 0.252 0.26 0 e 0.65bsc 0.026 bsc l 0.45 0.60 0.75 0.018 0.024 0.030 l1 1.00ref 0.039ref l2 0.25bsc 0.010bsc 1 0 - 8 0 - 8 2 10 12 14 10 12 14 3 10 12 14 10 12 14 land pattern notes: 1. compound dimension: 6.5 0 4.4 0 . 2. unit: mm . 3. general tolerance 0.0 5 mm unless otherwise specified . 4. the layout is just for reference. tape and reel orientation e b p i n # 1 i d d e 1 e c a 3 a 2 a a 1 l l 2 l 1 1 3 2 t o p v i e w e n d v i e w s i d e v i e w 0 . 6 5 5 . 8 0 0 . 3 5 1 . 3 5 u m 3 2 2 2 e e u e x x
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 15 / 1 6 um3221e/ um3222 e /um323 2e um3221eeae/um3232eeae ssop16 outline drawing dimensions symbol m illimeters i nches min typ max min typ max a - - 2.00 - - 0.079 a1 0.05 - - 0.002 - - a2 1.65 1.75 1.85 0.065 0.069 0.073 b 0.22 0.30 0.38 0.009 0.012 0.015 c 0.09 0.17 0.25 0.004 0.007 0.010 d 5.90 6.20 6.50 0.232 0.244 0.256 e 5.00 5.30 5.60 0.197 0.209 0.220 e 1 7.40 7.80 8.20 0.291 0.307 0.323 e 0.65bsc 0.026 bsc l 0.55 0.75 0.95 0.022 0.030 0.037 0 - 8 0 - 8 land pattern notes: 1. compound dimension: 6.2 0 5.3 0 . 2. unit: mm . 3. general tolerance 0.0 5 mm unless otherwise specified . 4. the layout is jus t for reference. tape and reel orientation a 2 a a 1 p i n # 1 i d l c t o p v i e w e n d v i e w s i d e v i e w d e 1 e b e 0 . 6 5 7 . 0 5 0 . 3 5 1 . 5 5 x x x x x x x x x x x x
________________________________________________________________________ http://www.union - ic.com rev.0 9 m a r .20 1 6 16 / 1 6 um3221e/ um3222 e /um323 2e green compliance union semiconductor is committed to environmental excellence in all aspects of its operations including meeting or exceeding regulatory requirements with respec t to the use of hazardous substances. numerous successful programs have been implemented to reduce the use of hazardous substances and/or emissions. all union components are compliant with the rohs directive, which helps to support customers in their compl iance with environmental directives. for more green compliance information, please visit: http://www.union - ic.com/index.aspx?cat_code=rohsdeclaration important notice the inf ormation in this document has been carefully reviewed and is believed to be accurate. nonetheless, this document is subject to change without notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union reserves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add : unit 606, no.570 shengxia r oa d, shanghai 2012 10 tel: 021 - 5109 3966 fax: 021 - 51026018 website: www.union - ic.com

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