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sn54act240, sn74act240 octal buffers/drivers with 3-state outputs scas515c ? june 1995 ? revised october 2002 1 post office box 655303 ? dallas, texas 75265 4.5-v to 5.5-v v cc operation inputs accept voltages to 5.5 v max t pd of 8.5 ns at 5 v inputs are ttl compatible sn54act240 ...j or w p ackage sn74act240 . . . db, dw, n, ns, or pw package (top view) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 1y1 2a4 1y2 2a3 1y3 1a2 2y3 1a3 2y2 1a4 sn54act240 . . . fk package (top view) 2y4 1a1 1oe 1y4 2a2 2oe 2y1 gnd 2a1 v cc 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1oe 1a1 2y4 1a2 2y3 1a3 2y2 1a4 2y1 gnd v cc 2oe 1y1 2a4 1y2 2a3 1y3 2a2 1y4 2a1 description/ordering information these octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. the ?act240 devices are organized as two 4-bit buffers/drivers with separate output-enable (oe ) inputs. when oe is low, the device passes inverted data from the a inputs to the y outputs. when oe is high, the outputs are in the high-impedance state. to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ordering information t a package ? orderable part number top-side marking pdip ? n tube sn74act240n sn74act240n soic dw tube sn74act240dw act240 40 cto85 c soic ? dw tape and reel sn74act240dwr act240 ? 40 c to 85 c sop ? ns tape and reel sn74act240nsr act240 ssop ? db tape and reel sn74act240dbr ad240 tssop ? pw tape and reel sn74act240pwr ad240 cdip ? j tube snj54act240j snj54act240j ?55 c to 125 c cfp ? w tube snj54act240w snj54act240w lccc ? fk tube snj54act240fk snj54act240fk ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. copyright ? 2002, texas instruments incorporated production data information is current as of publication date. products conform to specifications per the terms of texas instruments standard warranty. production processing does not necessarily include testing of all parameters. please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. on products compliant to mil-prf-38535, all parameters are tested unless otherwise noted. on all other products, production processing does not necessarily include testing of all parameters.
sn54act240, sn74act240 octal buffers/drivers with 3-state outputs scas515c ? june 1995 ? revised october 2002 2 post office box 655303 ? dallas, texas 75265 function table (each buffer) inputs output oe a y l h l l lh h x z logic diagram (positive logic) 1 2 4 6 8 12 14 16 18 1a1 1a2 1a3 1a4 1y1 1y2 1y3 1y4 1oe 19 11 13 15 17 3 5 7 9 2a1 2a2 2a3 2a4 2y1 2y2 2y3 2y4 2oe absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage range, v cc ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage range, v i (see note 1) ? 0.5 v to v cc + 0.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output voltage range, v o (see note 1) ? 0.5 v to v cc + 0.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0 or v i > v cc ) 20 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output clamp current, i ok (v o < 0 or v o > v cc ) 20 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous output current, i o (v o = 0 to v cc ) 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous current through v cc or gnd 200 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 2): db package 70 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dw package 58 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . n package 69 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ns package 60 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pw package 83 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? 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 under ? recommended operating conditions ? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. the package thermal impedance is calculated in accordance with jesd 51-7.
sn54act240, sn74act240 octal buffers/drivers with 3-state outputs scas515c ? june 1995 ? revised october 2002 3 post office box 655303 ? dallas, texas 75265 recommended operating conditions (see note 3) sn54act240 sn74act240 unit min max min max unit v cc supply voltage 4.5 5.5 4.5 5.5 v v ih high-level input voltage 2 2 v v il low-level input voltage 0.8 0.8 v v i input voltage 0 v cc 0 v cc v v o output voltage 0 v cc 0 v cc v i oh high-level output current ? 24 ? 24 ma i ol low-level output current 24 24 ma ? t/ ? v input transition rise or fall rate 8 8 ns/v t a operating free-air temperature ? 55 125 ? 40 85 c note 3: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation. refer to the ti application report, implications of slow or floating cmos inputs , literature number scba004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions v cc t a = 25 c sn54act240 sn74act240 unit parameter test conditions v cc min typ max min max min max unit i oh = 50 a 4.5 v 4.4 4.49 4.4 4.4 i oh = ? 50 a 5.5 v 5.4 5.49 5.4 5.4 v oh i oh = 24 ma 4.5 v 3.86 3.7 3.76 v v oh i oh = ? 24 ma 5.5 v 4.86 4.7 4.76 v i oh = ? 50 ma ? 5.5 v 3.85 i oh = ? 75 ma ? 5.5 v 3.85 i ol =50 a 4.5 v 0.001 0.1 0.1 0.1 i ol = 50 a 5.5 v 0.001 0.1 0.1 0.1 v ol i ol =24ma 4.5 v 0.36 0.5 0.44 v v ol i ol = 24 ma 5.5 v 0.36 0.5 0.44 v i ol = 50 ma ? 5.5 v 1.65 i ol = 75 ma ? 5.5 v 1.65 i oz v o = v cc or gnd 5.5 v 0.25 5 2.5 a i i v i = v cc or gnd 5.5 v 0.1 1 1 a i cc v i = v cc or gnd, i o = 0 5.5 v 4 80 40 a ? i cc ? one input at 3.4 v, other inputs at gnd or v cc 5.5 v 0.6 1.6 1.5 ma c i v i = v cc or gnd 5 v 2.5 pf c o v i = v cc or gnd 5 v 8 pf ? not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ? this is the increase in supply current for each input that is at one of the specified ttl voltage levels, rather than 0 v or v cc .
sn54act240, sn74act240 octal buffers/drivers with 3-state outputs scas515c ? june 1995 ? revised october 2002 4 post office box 655303 ? dallas, texas 75265 switching characteristics over recommended operating free-air temperature range, v cc = 5 v 0.5 v (unless otherwise noted) (see figure 1) parameter from to t a = 25 c sn54act240 sn74act240 unit parameter (input) (output) min typ max min max min max unit t plh a y 1.5 6 8.5 1 9.5 1.5 9.5 ns t phl a y 1.5 5.5 7.5 1 9 1.5 8.5 ns t pzh oe y 1.5 7 8.5 1 10 1 9.5 ns t pzl oe y 2 7 9.5 1 11.5 1.5 10.5 ns t phz oe y 2 8 9.5 1 11 2 10.5 ns t plz oe y 2.5 6.5 10 1 11.5 2 10.5 ns operating characteristics, v cc = 5 v, t a = 25 c parameter test conditions typ unit c pd power dissipation capacitance per buffer/driver c l = 50 pf, f = 1 mhz 45 pf parameter measurement information from output under test c l = 50 pf (see note a) load circuit s1 2 v cc 500 ? 500 ? t plh t phl output control (low-level enabling) output waveform 1 s1 at 2 v cc (see note b) output waveform 2 s1 at open (see note b) v ol v oh t pzl t pzh t plz t phz 1.5 v 1.5 v 1.5 v 1.5 v v cc 3 v 0 v 50% v cc 50% v cc v oh v ol 0 v 50% v cc v ol + 0.3 v 50% v cc 0 v 3 v open input output voltage waveforms voltage waveforms t plh /t phl t plz /t pzl t phz /t pzh open 2 v cc open test s1 v oh ? 0.3 v notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input pulses are supplied by generators having the following characteristics: prr 1 mhz, z o = 50 ? , t r 2.5 ns, t f 2.5 ns. d. the outputs are measured one at a time with one input transition per measurement. figure 1. load circuit and voltage waveforms
packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) 5962-8775901m2a active lccc fk 20 1 tbd post-plate n / a for pkg type 5962-8775901mra active cdip j 20 1 tbd a42 n / a for pkg type 5962-8775901msa active cfp w 20 1 tbd call ti n / a for pkg type sn74act240dble obsolete ssop db 20 tbd call ti call ti sn74act240dbr active ssop db 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dbre4 active ssop db 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dbrg4 active ssop db 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dw active soic dw 20 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim SN74ACT240DWE4 active soic dw 20 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dwg4 active soic dw 20 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dwr active soic dw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dwre4 active soic dw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240dwrg4 active soic dw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240n active pdip n 20 20 pb-free (rohs) cu nipdau n / a for pkg type sn74act240ne4 active pdip n 20 20 pb-free (rohs) cu nipdau n / a for pkg type sn74act240nsr active so ns 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240nsre4 active so ns 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240nsrg4 active so ns 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pw active tssop pw 20 70 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pwe4 active tssop pw 20 70 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pwg4 active tssop pw 20 70 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pwle obsolete tssop pw 20 tbd call ti call ti sn74act240pwr active tssop pw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pwre4 active tssop pw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74act240pwrg4 active tssop pw 20 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim snj54act240fk active lccc fk 20 1 tbd post-plate n / a for pkg type snj54act240j active cdip j 20 1 tbd a42 n / a for pkg type snj54act240w active cfp w 20 1 tbd call ti n / a for pkg type package option addendum www.ti.com 15-oct-2009 addendum-page 1
(1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. -- the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis. package option addendum www.ti.com 15-oct-2009 addendum-page 2
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant sn74act240dbr ssop db 20 2000 330.0 16.4 8.2 7.5 2.5 12.0 16.0 q1 sn74act240dwr soic dw 20 2000 330.0 24.4 10.8 13.0 2.7 12.0 24.0 q1 sn74act240nsr so ns 20 2000 330.0 24.4 8.2 13.0 2.5 12.0 24.0 q1 sn74act240pwr tssop pw 20 2000 330.0 16.4 6.95 7.1 1.6 8.0 16.0 q1 package materials information www.ti.com 5-aug-2008 pack materials-page 1
*all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) sn74act240dbr ssop db 20 2000 346.0 346.0 33.0 sn74act240dwr soic dw 20 2000 346.0 346.0 41.0 sn74act240nsr so ns 20 2000 346.0 346.0 41.0 sn74act240pwr tssop pw 20 2000 346.0 346.0 33.0 package materials information www.ti.com 5-aug-2008 pack materials-page 2
mechanical data msso002e ? january 1995 ? revised december 2001 post office box 655303 ? dallas, texas 75265 db (r-pdso-g**) plastic small-outline 4040065 /e 12/01 28 pins shown gage plane 8,20 7,40 0,55 0,95 0,25 38 12,90 12,30 28 10,50 24 8,50 seating plane 9,90 7,90 30 10,50 9,90 0,38 5,60 5,00 15 0,22 14 a 28 1 20 16 6,50 6,50 14 0,05 min 5,90 5,90 dim a max a min pins ** 2,00 max 6,90 7,50 0,65 m 0,15 0 ? 8 0,10 0,09 0,25 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0,15. d. falls within jedec mo-150
mechanical data mlcc006b october 1996 post office box 655303 ? dallas, texas 75265 fk (s-cqcc-n**) leadless ceramic chip carrier 4040140 / d 10/96 28 terminal shown b 0.358 (9,09) max (11,63) 0.560 (14,22) 0.560 0.458 0.858 (21,8) 1.063 (27,0) (14,22) a no. of min max 0.358 0.660 0.761 0.458 0.342 (8,69) min (11,23) (16,26) 0.640 0.739 0.442 (9,09) (11,63) (16,76) 0.962 1.165 (23,83) 0.938 (28,99) 1.141 (24,43) (29,59) (19,32) (18,78) ** 20 28 52 44 68 84 0.020 (0,51) terminals 0.080 (2,03) 0.064 (1,63) (7,80) 0.307 (10,31) 0.406 (12,58) 0.495 (12,58) 0.495 (21,6) 0.850 (26,6) 1.047 0.045 (1,14) 0.045 (1,14) 0.035 (0,89) 0.035 (0,89) 0.010 (0,25) 12 13 14 15 16 18 17 11 10 8 9 7 5 4 3 2 0.020 (0,51) 0.010 (0,25) 6 1 28 26 27 19 21 b sq a sq 22 23 24 25 20 0.055 (1,40) 0.045 (1,14) 0.028 (0,71) 0.022 (0,54) 0.050 (1,27) notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. this package can be hermetically sealed with a metal lid. d. the terminals are gold plated. e. falls within jedec ms-004
mechanical data mtss001c january 1995 revised february 1999 post office box 655303 ? dallas, texas 75265 pw (r-pdso-g**) plastic small-outline package 14 pins shown 0,65 m 0,10 0,10 0,25 0,50 0,75 0,15 nom gage plane 28 9,80 9,60 24 7,90 7,70 20 16 6,60 6,40 4040064/f 01/97 0,30 6,60 6,20 8 0,19 4,30 4,50 7 0,15 14 a 1 1,20 max 14 5,10 4,90 8 3,10 2,90 a max a min dim pins ** 0,05 4,90 5,10 seating plane 0 8 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0,15. d. falls within jedec mo-153

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