? semiconductor components industries, llc, 2006 september, 2006 ? rev. 7 1 publication order number: mc74ac244/d mc74ac244, mc74act244 octal buffer/line driver with 3?state outputs the mc74ac244/74act244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved pc board density. features ? 3?state outputs drive bus lines or buffer memory address registers ? outputs source/sink 24 ma ? act244 has ttl compatible inputs ? pb?free packages are available* 19 20 18 17 16 15 14 2 1 34567 v cc 13 8 12 9 11 10 oe 2 oe 1 gnd pinout: 20?lead packages conductors (top view) truth table inputs outputs oe 1 d (pins 12, 14, 16, 18) l l l l h h h x z note: h = high voltage level l = low voltage level x = immaterial z = high impedance truth table inputs outputs oe 2 d (pins 3, 5, 7, 9) l l l l h h h x z note: h = high voltage level l = low voltage level x = immaterial z = high impedance *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and m ounting techniques reference manual, solderrm/d. see general marking information in the device marking section on page 6 of this data sheet. device marking information soic?20w dw suffix case 751d tssop?20 dt suffix case 948e soeiaj?20 m suffix case 967 1 1 1 pdip?20 n suffix case 738 1 http://onsemi.com see detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ordering information
mc74ac244, mc74act244 http://onsemi.com 2 maximum ratings symbol parameter value unit v cc dc supply voltage (referenced to gnd) ?0.5 to +7.0 v v in dc input voltage (referenced to gnd) ?0.5 to v cc +0.5 v v out dc output voltage (referenced to gnd) ?0.5 to v cc +0.5 v i in dc input current, per pin 20 ma i out dc output sink/source current, per pin 50 ma i cc dc v cc or gnd current per output pin 50 ma t stg storage temperature ?65 to +150 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. recommended operating conditions symbol parameter min typ max unit v cc supply voltage ac 2.0 5.0 6.0 v act 4.5 5.0 5.5 v in , v out dc input voltage, output voltage (ref. to gnd) 0 ? v cc v t r , t f input rise and fall time (note 1) ac devices except schmitt inputs v cc @ 3.0 v ? 150 ? v cc @ 4.5 v ? 40 ? ns/v v cc @ 5.5 v ? 25 ? t r , t f input rise and fall time (note 2) act devices except schmitt inputs v cc @ 4.5 v ? 10 ? ns/v v cc @ 5.5 v ? 8.0 ? t j junction temperature (pdip) ? ? 140 c t a operating ambient temperature range ?40 25 85 c i oh output current ? high ? ? ?24 ma i ol output current ? low ? ? 24 ma 1. v in from 30% to 70% v cc ; see individual data sheets for devices that differ from the typical input rise and fall times. 2. v in from 0.8 v to 2.0 v; see individual data sheets for devices that differ from the typical input rise and fall times.
mc74ac244, mc74act244 http://onsemi.com 3 dc characteristics symbol parameter v cc (v) 74ac 74ac unit conditions t a = +25 c t a = ?40 c to +85 c typ guaranteed limits v ih minimum high level input voltage 3.0 4.5 5.5 1.5 2.25 2.75 2.1 3.15 3.85 2.1 3.15 3.85 v v out = 0.1 v or v cc ? 0.1 v v il maximum low level input voltage 3.0 4.5 5.5 1.5 2.25 2.75 0.9 1.35 1.65 0.9 1.35 1.65 v v out = 0.1 v or v cc ? 0.1 v v oh minimum high level output voltage 3.0 4.5 5.5 2.99 4.49 5.49 2.9 4.4 5.4 2.9 4.4 5.4 v i out = ?50 a 3.0 4.5 5.5 ? ? ? 2.56 3.86 4.86 2.46 3.76 4.76 v *v in = v il or v ih ?12 ma i oh ?24 ma ?24 ma v ol maximum low level output voltage 3.0 4.5 5.5 0.002 0.001 0.001 0.1 0.1 0.1 0.1 0.1 0.1 v i out = 50 a 3.0 4.5 5.5 ? ? ? 0.36 0.36 0.36 0.44 0.44 0.44 v *v in = v il or v ih 12 ma i ol 24 ma 24 ma i in maximum input leakage current 5.5 ? 0.1 1.0 a v i = v cc , gnd i oz maximum 3?state current 5.5 ? 0.5 5.0 a v i (oe) = v il , v ih v i = v cc , gnd v o = v cc , gnd i old ?minimum dynamic output current 5.5 ? ? 75 ma v old = 1.65 v max i ohd 5.5 ? ? ?75 ma v ohd = 3.85 v min i cc maximum quiescent supply current 5.5 ? 8.0 80 a v in = v cc or gnd *all outputs loaded; thresholds on input associated with output under test. ?maximum test duration 2.0 ms, one output loaded at a time. note: i in and i cc @ 3.0 v are guaranteed to be less than or equal to the respective limit @ 5.5 v v cc . ac characteristics (for figures and waveforms ? see and8277/d at www.onsemi.com) symbol parameter v cc * (v) 74ac 74ac unit figure no. t a = +25 c c l = 50 pf t a = ?40 c to +85 c c l = 50 pf min typ max min max t plh propagation delay data to output 3.3 5.0 2.0 1.5 6.5 5.0 9.0 7.0 1.5 1.0 10.0 7.5 ns 3?5 t phl propagation delay data to output 3.3 5.0 2.0 1.5 6.5 5.0 9.0 7.0 2.0 1.0 10.0 7.5 ns 3?5 t pzh output enable time 3.3 5.0 2.0 1.5 6.0 5.0 10.5 7.0 1.5 1.5 11.0 8.0 ns 3?7 t pzl output enable time 3.3 5.0 2.5 1.5 7.5 5.5 10.0 8.0 2.0 1.5 11.0 8.5 ns 3?8 t phz output disable time 3.3 5.0 3.0 2.5 7.0 6.5 10.0 9.0 1.5 1.0 10.5 9.5 ns 3?7 t plz output disable time 3.3 5.0 2.5 2.0 7.5 6.5 10.5 9.0 2.5 2.0 11.5 9.5 ns 3?8 *voltage range 3.3 v is 3.3 v 0.3 v. *voltage range 5.0 v is 5.0 v 0.5 v.
mc74ac244, mc74act244 http://onsemi.com 4 dc characteristics symbol parameter v cc (v) 74act 74act unit conditions t a = +25 c t a = ?40 c to +85 c typ guaranteed limits v ih minimum high level input voltage 4.5 5.5 1.5 1.5 2.0 2.0 2.0 2.0 v v out = 0.1 v or v cc ? 0.1 v v il maximum low level input voltage 4.5 5.5 1.5 1.5 0.8 0.8 0.8 0.8 v v out = 0.1 v or v cc ? 0.1 v v oh minimum high level output voltage 4.5 5.5 4.49 5.49 4.4 5.4 4.4 5.4 v i out = ?50 a 4.5 5.5 ? ? 3.86 4.86 3.76 4.76 v *v in = v il or v ih ?24 ma i oh ?24 ma v ol maximum low level output voltage 4.5 5.5 0.001 0.001 0.1 0.1 0.1 0.1 v i out = 50 a 4.5 5.5 ? ? 0.36 0.36 0.44 0.44 v *v in = v il or v ih 24 ma i ol 24 ma i in maximum input leakage current 5.5 ? 0.1 1.0 a v i = v cc , gnd i cct additional max. i cc /input 5.5 0.6 ? 1.5 ma v i = v cc ? 2.1 v i oz maximum 3?state current 5.5 ? 0.5 5.0 a v i (oe) = v il , v ih v i = v cc , gnd v o = v cc , gnd i old ?minimum dynamic output current 5.5 ? ? 75 ma v old = 1.65 v max i ohd 5.5 ? ? ?75 ma v ohd = 3.85 v min i cc maximum quiescent supply current 5.5 ? 8.0 80 a v in = v cc or gnd *all outputs loaded; thresholds on input associated with output under test. ?maximum test duration 2.0 ms, one output loaded at a time. ac characteristics (for figures and waveforms ? see and8277/d at www.onsemi.com) symbol parameter v cc * (v) 74act 74act unit figure no. t a = +25 c c l = 50 pf t a = ?40 c to +85 c c l = 50 pf min typ max min max t plh propagation delay data to output 5.0 2.0 6.5 9.0 1.5 10.0 ns 3?5 t phl propagation delay data to output 5.0 2.0 7.0 9.0 1.5 10.0 ns 3?5 t pzh output enable time 5.0 1.5 6.0 8.5 1.0 9.5 ns 3?7 t pzl output enable time 5.0 2.0 7.0 9.5 1.5 10.5 ns 3?8 t phz output disable time 5.0 2.0 7.0 9.5 1.5 10.5 ns 3?7 t plz output disable time 5.0 2.5 7.5 10.0 2.0 10.5 ns 3?8 *voltage range 5.0 v is 5.0 v 0.5 v. capacitance symbol parameter value typ unit test conditions c in input capacitance 4.5 pf v cc = 5.0 v c pd power dissipation capacitance 45 pf v cc = 5.0 v
mc74ac244, mc74act244 http://onsemi.com 5 ordering information device package shipping ? mc74ac244n pdip?20 18 units / rail mc74ac244ng pdip?20 (pb?free) mc74act244n pdip?20 mc74act244ng pdip?20 (pb?free) mc74ac244dw soic?20 38 units / rail mc74ac244dwg soic?20 (pb?free) mc74ac244dwr2 soic?20 1000 / tape & reel mc74ac244dwr2g soic?20 (pb?free) MC74ACT244DW soic?20 38 units / rail MC74ACT244DWg soic?20 (pb?free) MC74ACT244DWr2 soic?20 1000 / tape & reel MC74ACT244DWr2g soic?20 (pb?free) mc74ac244dtr2 tssop?20* 2500 / tape & reel mc74ac244dtr2g tssop?20* mc74act244dtr2 tssop?20* mc74act244dtr2g tssop?20* mc74ac244mel soeiaj?20 2000 / tape & reel mc74ac244melg soeiaj?20 (pb?free) mc74act244m soeiaj?20 40 units / rail mc74act244mg soeiaj?20 (pb?free) mc74act244mel soeiaj?20 2000 / tape & reel mc74act244melg soeiaj?20 (pb?free) ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. *these packages are inherently pb?free.
mc74ac244, mc74act244 http://onsemi.com 6 marking diagrams pdip?20 soic?20w tssop?20 soeiaj?20 20 1 1 20 ac 244 alyw 74act244 awlywwg 1 20 mc74ac244n awlyywwg a = assembly location wl, l = wafer lot yy, y = year ww, w = work week g or = pb?free package (note: microdot may be in either location) 20 1 74ac244 awlywwg 1 20 act 244 alyw 20 1 act244 awlyywwg 1 20 mc74act244n awlyywwg 20 1 ac244 awlyywwg
mc74ac244, mc74act244 http://onsemi.com 7 package dimensions pdip?20 n suffix plastic dip package case 738?03 issue e notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of lead when formed parallel. 4. dimension b does not include mold flash. m l j 20 pl m b m 0.25 (0.010) t dim min max min max millimeters inches a 25.66 27.17 1.010 1.070 b 6.10 6.60 0.240 0.260 c 3.81 4.57 0.150 0.180 d 0.39 0.55 0.015 0.022 g 2.54 bsc 0.100 bsc j 0.21 0.38 0.008 0.015 k 2.80 3.55 0.110 0.140 l 7.62 bsc 0.300 bsc m 0 15 0 15 n 0.51 1.01 0.020 0.040 e 1.27 1.77 0.050 0.070 1 11 10 20 ?a? seating plane k n f g d 20 pl ?t? m a m 0.25 (0.010) t e b c f 1.27 bsc 0.050 bsc soic?20w dw suffix case 751d?05 issue g 20 1 11 10 b 20x h 10x c l 18x a1 a seating plane h x 45 e d m 0.25 m b m 0.25 s a s b t e t b a dim min max millimeters a 2.35 2.65 a1 0.10 0.25 b 0.35 0.49 c 0.23 0.32 d 12.65 12.95 e 7.40 7.60 e 1.27 bsc h 10.05 10.55 h 0.25 0.75 l 0.50 0.90 0 7 notes: 1. dimensions are in millimeters. 2. interpret dimensions and tolerances per asme y14.5m, 1994. 3. dimensions d and e do not include mold protrusion. 4. maximum mold protrusion 0.15 per side. 5. dimension b does not include dambar protrusion. allowable protrusion shall be 0.13 total in excess of b dimension at maximum material condition.
mc74ac244, mc74act244 http://onsemi.com 8 package dimensions tssop?20 dt suffix case 948e?02 issue b dim a min max min max inches 6.60 0.260 millimeters b 4.30 4.50 0.169 0.177 c 1.20 0.047 d 0.05 0.15 0.002 0.006 f 0.50 0.75 0.020 0.030 g 0.65 bsc 0.026 bsc h 0.27 0.37 0.011 0.015 j 0.09 0.20 0.004 0.008 j1 0.09 0.16 0.004 0.006 k 0.19 0.30 0.007 0.012 k1 0.19 0.25 0.007 0.010 l 6.40 bsc 0.252 bsc m 0 8 0 8 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a does not include mold flash, protrusions or gate burrs. mold flash or gate burrs shall not exceed 0.15 (0.006) per side. 4. dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. 5. dimension k does not include dambar protrusion. allowable dambar protrusion shall be 0.08 (0.003) total in excess of the k dimension at maximum material condition. 6. terminal numbers are shown for reference only. 7. dimension a and b are to be determined at datum plane ?w?. 110 11 20 pin 1 ident a b ?t? 0.100 (0.004) c d g h section n?n k k1 jj1 n n m f ?w? seating plane ?v? ?u? s u m 0.10 (0.004) v s t 20x ref k l l/2 2x s u 0.15 (0.006) t detail e 0.25 (0.010) detail e 6.40 0.252 ??? ??? s u 0.15 (0.006) t
mc74ac244, mc74act244 http://onsemi.com 9 package dimensions soeiaj?20 m suffix case 967?01 issue a dim min max min max inches ??? 2.05 ??? 0.081 millimeters 0.05 0.20 0.002 0.008 0.35 0.50 0.014 0.020 0.15 0.25 0.006 0.010 12.35 12.80 0.486 0.504 5.10 5.45 0.201 0.215 1.27 bsc 0.050 bsc 7.40 8.20 0.291 0.323 0.50 0.85 0.020 0.033 1.10 1.50 0.043 0.059 0 0.70 0.90 0.028 0.035 ??? 0.81 ??? 0.032 a 1 h e q 1 l e 10 0 10 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions d and e do not include mold flash or protrusions and are measured at the parting line. mold flash or protrusions shall not exceed 0.15 (0.006) per side. 4. terminal numbers are shown for reference only. 5. the lead width dimension (b) does not include dambar protrusion. allowable dambar protrusion shall be 0.08 (0.003) total in excess of the lead width dimension at maximum material condition. dambar cannot be located on the lower radius or the foot. minimum space between protrusions and adjacent lead to be 0.46 ( 0.018). h e a 1 l e q 1 c a z d e 20 110 11 b m 0.13 (0.005) e 0.10 (0.004) view p detail p m l a b c d e e l m z on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, r epresentation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800?282?9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81?3?5773?3850 mc74ac244/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303?675?2175 or 800?344?3860 toll free usa/canada fax : 303?675?2176 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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