octal bus buffer with 5vtolerant inputs the mc74lvx244 is an advanced high speed cmos noninverting 3state octal bus buffer and has two active low output enables. it is also designed to work with 3state memory address drivers, etc. the inputs tolerate voltages up to 7v, allowing the interface of 5v systems to 3v systems. ? high speed: t pd = 4.7ns (typ) at v cc = 3.3v ? low power dissipation: i cc = 4 m a (max) at t a = 25 c ? power down protection provided on inputs ? balanced propagation delays ? low noise: v olp = 0.8v (max) ? pin and function compatible with other standard logic families ? latchup performance exceeds 300ma ? esd performance: hbm > 2000v; machine model > 200v figure 1. 20lead pinout (top view) figure 2. logic diagram 19 20 18 17 16 15 14 2 1 34567 v cc 13 8 12 9 11 10 2oe 1o0 2d0 1o1 2d1 1o2 2d2 1o3 2d3 1oe 1d0 2o0 1d1 2o1 1d2 2o2 1d3 2o3 gnd 1oe 1 1d0 2 1o0 18 1d1 4 1o1 16 1d2 6 1o2 14 1d3 8 1o3 12 2oe 19 2d0 17 2o0 3 2d1 15 2o1 5 2d2 13 2o2 7 2d3 11 2o3 9 lvx mc74lvx244 lowvoltage cmos dw suffix 20lead soic package case 751d04 dt suffix 20lead tssop package case 948e02 m suffix 20lead soic eiaj package case 96701 1oe , 2oe 1dn, 2dn 1on, 2on l l h l h x l h z inputs outputs function table pin names function output enable inputs data inputs 3state outputs pins noe 1dn, 2dn 1on, 2on ? semiconductor components industries, llc, 2001 february, 2001 rev. 1 1 publication order number: mc74lvx244/d
mc74lvx244 http://onsemi.com 2 ????????????????????????????????? ????????????????????????????????? maximum ratings* ???? ???? symbol ??????????????????????? ??????????????????????? parameter ??????? ??????? value ?? ?? unit ???? ???? v cc ??????????????????????? ??????????????????????? dc supply voltage ??????? ??????? 0.5 to +7.0 ?? ?? v ???? ???? v in ??????????????????????? ??????????????????????? dc input voltage ??????? ??????? 0.5 to +7.0 ?? ?? v ???? ???? v out ??????????????????????? ??????????????????????? dc output voltage ??????? ??????? 0.5 to v cc +0.5 ?? ?? v ???? ???? i ik ??????????????????????? ??????????????????????? input diode current ??????? ??????? 20 ?? ?? ma ???? ???? i ok ??????????????????????? ??????????????????????? output diode current ??????? ??????? 20 ?? ?? ma ???? ???? i out ??????????????????????? ??????????????????????? dc output current, per pin ??????? ??????? 25 ?? ?? ma ???? ???? i cc ??????????????????????? ??????????????????????? dc supply current, v cc and gnd pins ??????? ??????? 75 ?? ?? ma ???? ???? p d ??????????????????????? ??????????????????????? power dissipation ??????? ??????? 180 ?? ?? mw ???? ???? t stg ??????????????????????? ??????????????????????? storage temperature ??????? ??????? 65 to +150 ?? ?? c * absolute maximum continuous ratings are those values beyond which damage to the device may occur. exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. functional operation under absolutemaximumrated co nditions is not implied. recommended operating conditions ???? ???? symbol ??????????????????????? ??????????????????????? parameter ???? ???? min ???? ???? max ?? ?? unit ???? ???? v cc ??????????????????????? ??????????????????????? dc supply voltage ???? ???? 2.0 ???? ???? 3.6 ?? ?? v ???? ???? v in ??????????????????????? ??????????????????????? dc input voltage ???? ???? 0 ???? ???? 5.5 ?? ?? v ???? ???? v out ??????????????????????? ??????????????????????? dc output voltage ???? ???? 0 ???? ???? v cc ?? ?? v ???? ???? t a ??????????????????????? ??????????????????????? operating temperature, all package types ???? ???? 40 ???? ???? +85 ?? ?? c ???? ???? d t/ d v ??????????????????????? ??????????????????????? input rise and fall time ???? ???? 0 ???? ???? 100 ?? ?? ns/v ????????????????????????????????? ????????????????????????????????? dc electrical characteristics ???? ???? ??????? ??????? ?????? ?????? ???? ???? v cc ????????? ????????? t a = 25 c ??????? ??????? t a = 40 to 85 c ?? ?? ???? ???? symbol ??????? ??????? parameter ?????? ?????? test conditions ???? ???? v cc v ???? ???? min ??? ??? typ ???? ???? max ???? ???? min ???? ???? max ?? ?? unit ???? ? ?? ? ? ?? ? ???? v ih ??????? ? ????? ? ? ????? ? ??????? highlevel input voltage ?????? ? ???? ? ? ???? ? ?????? ???? ? ?? ? ? ?? ? ???? 2.0 3.0 3.6 ???? ? ?? ? ? ?? ? ???? 1.5 2.0 2.4 ??? ? ? ? ? ? ? ??? ???? ? ?? ? ? ?? ? ???? ???? ? ?? ? ? ?? ? ???? 1.5 2.0 2.4 ???? ? ?? ? ? ?? ? ???? ?? ?? ?? ?? v ???? ? ?? ? ???? v il ??????? ? ????? ? ??????? lowlevel input voltage ?????? ? ???? ? ?????? ???? ? ?? ? ???? 2.0 3.0 3.6 ???? ? ?? ? ???? ??? ? ? ? ??? ???? ? ?? ? ???? 0.5 0.8 0.8 ???? ? ?? ? ???? ???? ? ?? ? ???? 0.5 0.8 0.8 ?? ?? ?? v ???? ? ?? ? ???? v oh ??????? ? ????? ? ??????? highlevel output voltage (v in = v ih or v il ) ?????? ? ???? ? ?????? i oh = 50 m a i oh = 50 m a i oh = 4ma ???? ? ?? ? ???? 2.0 3.0 3.0 ???? ? ?? ? ???? 1.9 2.9 2.58 ??? ? ? ? ??? 2.0 3.0 ???? ? ?? ? ???? ???? ? ?? ? ???? 1.9 2.9 2.48 ???? ? ?? ? ???? ?? ?? ?? v ???? ? ?? ? ? ?? ? ???? v ol ??????? ? ????? ? ? ????? ? ??????? lowlevel output voltage (v in = v ih or v il ) ?????? ? ???? ? ? ???? ? ?????? i ol = 50 m a i ol = 50 m a i ol = 4ma ???? ? ?? ? ? ?? ? ???? 2.0 3.0 3.0 ???? ? ?? ? ? ?? ? ???? ??? ? ? ? ? ? ? ??? 0.0 0.0 ???? ? ?? ? ? ?? ? ???? 0.1 0.1 0.36 ???? ? ?? ? ? ?? ? ???? ???? ? ?? ? ? ?? ? ???? 0.1 0.1 0.44 ?? ?? ?? ?? v ???? ???? i in ??????? ??????? input leakage current ?????? ?????? v in = 5.5v or gnd ???? ???? 3.6 ???? ???? ??? ??? ???? ???? 0.1 ???? ???? ???? ???? 1.0 ?? ?? m a ???? ???? i oz ??????? ??????? maximum threestate leakage current ?????? ?????? v in = v il or v ih v out = v cc or gnd ???? ???? 3.6 ???? ???? ??? ??? ???? ???? 0.25 ???? ???? ???? ???? 2.5 ?? ?? m a ???? ? ?? ? ???? i cc ??????? ? ????? ? ??????? quiescent supply current ?????? ? ???? ? ?????? v in = v cc or gnd ???? ? ?? ? ???? 3.6 ???? ? ?? ? ???? ??? ? ? ? ??? ???? ? ?? ? ???? 4.0 ???? ? ?? ? ???? ???? ? ?? ? ???? 40.0 ?? ?? ?? m a
mc74lvx244 http://onsemi.com 3 ????????????????????????????????? ????????????????????????????????? ac electrical characteristics (input t r = t f = 3.0ns) ???? ???? ????????? ????????? ???????? ???????? ????????? ????????? t a = 25 c ?????? ?????? t a = 40 to 85 c ?? ?? ???? ???? symbol ????????? ????????? parameter ???????? ???????? test conditions ???? ???? min ??? ??? typ ???? ???? max ??? ??? min ???? ???? max ?? ?? unit ???? ? ?? ? ???? t plh , t phl ????????? ? ??????? ? ????????? propagation delay input to output ???????? ? ?????? ? ???????? v cc = 2.7v c l = 15pf c l = 50pf ???? ? ?? ? ???? ??? ? ? ? ??? 6.1 8.6 ???? ? ?? ? ???? 11.4 14.9 ??? ? ? ? ??? 1.0 1.0 ???? ? ?? ? ???? 13.5 17.0 ?? ?? ?? ns ???? ???? ????????? ????????? ???????? ???????? v cc = 3.3 0.3v c l = 15pf c l = 50pf ???? ???? ??? ??? 4.7 7.2 ???? ???? 7.1 10.6 ??? ??? 1.0 1.0 ???? ???? 8.5 12.0 ?? ?? ???? ? ?? ? ???? t pzl , t pzh ????????? ? ??????? ? ????????? output enable time to high and low level ???????? ? ?????? ? ???????? v cc = 2.7v c l = 15pf r l = 1k w c l = 50pf ???? ? ?? ? ???? ??? ? ? ? ??? 7.1 9.6 ???? ? ?? ? ???? 13.8 17.3 ??? ? ? ? ??? 1.0 1.0 ???? ? ?? ? ???? 16.5 20.0 ?? ?? ?? ns ???? ? ?? ? ???? ????????? ? ??????? ? ????????? ???????? ? ?????? ? ???????? v cc = 3.3 0.3v c l = 15pf r l = 1k w c l = 50pf ???? ? ?? ? ???? ??? ? ? ? ??? 5.5 8.0 ???? ? ?? ? ???? 8.8 12.3 ??? ? ? ? ??? 1.0 1.0 ???? ? ?? ? ???? 10.5 14.0 ?? ?? ?? ???? ???? t plz , t phz ????????? ????????? output disable time from high and low level ???????? ???????? v cc = 2.7v c l = 50pf r l = 1k w ???? ???? ??? ??? 11.6 ???? ???? 16.0 ??? ??? 1.0 ???? ???? 19.0 ?? ?? ns ???? ? ?? ? ???? ????????? ? ??????? ? ????????? ???????? ? ?????? ? ???????? v cc = 3.3 0.3v c l = 50pf r l = 1k w ???? ? ?? ? ???? ??? ? ? ? ??? 9.7 ???? ? ?? ? ???? 11.4 ??? ? ? ? ??? 1.0 ???? ? ?? ? ???? 13.0 ?? ?? ?? ???? ? ?? ? ???? t oshl t oslh ????????? ? ??????? ? ????????? outputtooutput skew (note no tag) ???????? ? ?????? ? ???????? v cc = 2.7v c l = 50pf v cc = 3.3 0.3v c l = 50pf ???? ? ?? ? ???? ??? ? ? ? ??? ???? ? ?? ? ???? 1.5 1.5 ??? ? ? ? ??? ???? ? ?? ? ???? 1.5 1.5 ?? ?? ?? ns 1. skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same d evice. the specification applies to any outputs switching in the same direction, either hightolow (t oshl ) or lowtohigh (t oslh ); parameter guaranteed by design. ????????????????????????????????? ????????????????????????????????? capacitive characteristics ???? ???? ???????????????? ???????????????? ????????? ????????? t a = 25 c ?????? ?????? t a = 40 to 85 c ?? ?? ???? ???? symbol ???????????????? ???????????????? parameter ???? ???? min ??? ??? typ ???? ???? max ??? ??? min ???? ???? max ?? ?? unit ???? ???? c in ???????????????? ???????????????? input capacitance ???? ???? ??? ??? 4 ???? ???? 10 ??? ??? ???? ???? 10 ?? ?? pf ???? ???? c out ???????????????? ???????????????? maximum threestate output capacitance ???? ???? ??? ??? 6 ???? ???? ??? ??? ???? ???? ?? ?? pf ???? ???? c pd ???????????????? ???????????????? power dissipation capacitance (note no tag) ???? ???? ??? ??? 19 ???? ???? ??? ??? ???? ???? ?? ?? pf 2. c pd is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption with out load. average operating current can be obtained by the equation: i cc(opr ) = c pd v cc f in + i cc /8 (per bit). c pd is used to determine the noload dynamic power consumption; p d = c pd v cc 2 f in + i cc v cc . noise characteristics (input t r = t f = 3.0ns, c l = 50pf, v cc = 3.3v, measured in soic package) t a = 25 c symbol characteristic typ max unit v olp quiet output maximum dynamic v ol 0.5 0.8 v v olv quiet output minimum dynamic v ol 0.5 0.8 v v ihd minimum high level dynamic input voltage 2.0 v v ild maximum low level dynamic input voltage 0.8 v
mc74lvx244 http://onsemi.com 4 figure 3. figure 4. v cc gnd 1dn, 2dn 1on, 2on 50% 50% v cc t plh t phl 1oe , 2oe 1on, 2on 1on, 2on 50% 50% v cc 50% v cc t pzl t plz t pzh t phz v cc gnd high impedance v ol +0.3v v oh -0.3v high impedance switching waveforms *includes all probe and jig capacitance c l * test point device under test output *includes all probe and jig capacitance c l * test point device under test output connect to v cc when testing t plz and t pzl . connect to gnd when testing t phz and t pzh . 1 k w test circuits figure 5. propagation delay test circuit figure 6. threestate test circuit
mc74lvx244 http://onsemi.com 5 outline dimensions dw suffix plastic soic package case 751d04 issue e notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions a and b do not include mold protrusion. 4. maximum mold protrusion 0.150 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.13 (0.005) total in excess of d dimension at maximum material condition. a b 20 1 11 10 s a m 0.010 (0.25) b s t d 20x m b m 0.010 (0.25) p 10x j f g 18x k c t seating plane m r x 45 dim min max min max inches millimeters a 12.65 12.95 0.499 0.510 b 7.40 7.60 0.292 0.299 c 2.35 2.65 0.093 0.104 d 0.35 0.49 0.014 0.019 f 0.50 0.90 0.020 0.035 g 1.27 bsc 0.050 bsc j 0.25 0.32 0.010 0.012 k 0.10 0.25 0.004 0.009 m 0 7 0 7 p 10.05 10.55 0.395 0.415 r 0.25 0.75 0.010 0.029
mc74lvx244 http://onsemi.com 6 outline dimensions dt suffix plastic tssop package case 948e02 issue a 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 nn 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
mc74lvx244 http://onsemi.com 7 outline dimensions m suffix plastic soic eiaj package case 96701 issue o 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 0.18 0.27 0.007 0.011 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
mc74lvx244 http://onsemi.com 8 on semiconductor and are trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any 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 without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scill c data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso 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 officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthori zed 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. publication ordering information central/south america: spanish phone : 3033087143 (monfri 8:00am to 5:00pm mst) email : onlitspanish@hibbertco.com tollfree from mexico: dial 018002882872 for access then dial 8662979322 asia/pacific : ldc for on semiconductor asia support phone : 3036752121 (tuefri 9:00am to 1:00pm, hong kong time) toll free from hong kong & singapore: 00180044223781 email : onlitasia@hibbertco.com japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. mc74lvx244/d north america literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com fax response line: 3036752167 or 8003443810 toll free usa/canada n. american technical support : 8002829855 toll free usa/canada europe: ldc for on semiconductor european support german phone : (+1) 3033087140 (monfri 2:30pm to 7:00pm cet) email : onlitgerman@hibbertco.com french phone : (+1) 3033087141 (monfri 2:00pm to 7:00pm cet) email : onlitfrench@hibbertco.com english phone : (+1) 3033087142 (monfri 12:00pm to 5:00pm gmt) email : onlit@hibbertco.com european tollfree access*: 0080044223781 *available from germany, france, italy, uk, ireland
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