semiconductor technical data 1 rev 6 ? motorola, inc. 1995 10/95
highperformance silicongate cmos the m c54/74hc245 a i s i dentica l i n p inou t t o t h e l s245 . t h e d evice inputs are compatible with standard cmos outputs; with pullup resistors, they are compatible with lsttl outputs. the hc245a is a 3state noninverting transceiver that is used for 2way asynchronous c ommunicatio n b etwee n d at a b uses . t h e d evic e h a s a n activelow o utpu t e nabl e p in , w hic h i s u se d t o p lac e t h e i / o p ort s i nto highimpedance s tates . t he d irectio n c ontro l d etermine s w hethe r d ata flows from a to b or from b to a. ? output drive capability: 15 lsttl loads ? outputs directly interface to cmos, nmos, and ttl ? operating voltage range: 2 to 6 v ? low input current: 1 m a ? high noise immunity characteristic of cmos devices ? in compliance with the requirements defined by jedec standard no. 7a ? chip complexity: 308 fets or 77 equivalent gates logic diagram a data port a8 a7 a6 a5 a3 a4 a2 a1 9 8 7 6 5 4 3 2 direction output enable 1 19 pin 10 = gnd pin 20 = v cc 18 17 16 15 14 13 12 11 b1 b2 b3 b4 b5 b6 b7 b8 b data port function table control inputs operation output enable direction operation l l data transmitted from bus b to bus a l h data transmitted from bus a to bus b h x buses isolated (highimpedance state) x = don't care pin assignment a5 a3 a2 a1 direction gnd a8 a7 a6 a4 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 b3 b2 b1 output enable v cc b8 b7 b6 b5 b4 dw suffix soic package case 751d04 n suffix plastic package case 73803 ordering information mc54hcxxxaj mc74hcxxxan mc74hcxxxadw ceramic plastic soic j suffix ceramic package case 73203 1 20 1 20 1 20
mc54/74hc245a motorola highspeed cmos logic data dl129 e rev 6 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) ?????? ?????? ?????? ?????? 1.5 to v cc + 1.5 ??? ??? ??? ??? v ??? ??? ??? ??? v i/o ?????????????? ?????????????? ?????????????? ?????????????? dc output voltage (referenced to gnd) ?????? ?????? ?????? ?????? 0.5 to v cc + 0.5 ??? ??? ??? ??? v ??? ??? ??? ??? i in ?????????????? ?????????????? ?????????????? ?????????????? dc input current, per pin ?????? ?????? ?????? ?????? 20 ??? ??? ??? ??? ma ??? ??? ??? ??? i i/o ?????????????? ?????????????? ?????????????? ?????????????? dc output current, per pin ?????? ?????? ?????? ?????? 35 ??? ??? ??? ??? ma ??? ??? ??? ??? i cc ?????????????? ?????????????? ?????????????? ?????????????? dc supply current, v cc and gnd pins ?????? ?????? ?????? ?????? 75 ??? ??? ??? ??? ma ??? ??? ??? ??? p d ?????????????? ?????????????? ?????????????? ?????????????? power dissipation in still air, plastic or ceramic dip2 soic package2 ?????? ?????? ?????? ?????? 750 500 ??? ??? ??? ??? mw ??? ??? ??? ??? t stg ?????????????? ?????????????? ?????????????? ?????????????? storage temperature ?????? ?????? ?????? ?????? 65 to + 150 ??? ??? ??? ??? c ??? ??? ??? ??? ??? t l ?????????????? ?????????????? ?????????????? ?????????????? ?????????????? lead t emperature, 1 mm from case for 10 seconds (plastic dip or soic package) (ceramic dip) ?????? ?????? ?????? ?????? ?????? 260 300 ??? ??? ??? ??? ??? c * maximum ratings are those values beyond which damage to the device may occur . functional operation should be restricted to the recommended operating conditions. 2derating e plastic dip: 10 mw/ c from 65 to 125 c ceramic dip: 10 mw/ c from 100 to 125 c soic package: 7 mw/ c from 65 to 125 c for high frequency or heavy load considerations, see chapter 2 of the motorola highspeed cmos data book (dl129/d). recommended operating conditions ???? ???? ???? ???? symbol ?????????????? ?????????????? ?????????????? ?????????????? parameter ??? ??? ??? ??? min ??? ??? ??? ??? max ??? ??? ??? ??? unit ???? ???? ???? ???? v cc ?????????????? ?????????????? ?????????????? ?????????????? dc supply voltage (referenced to gnd) ??? ??? ??? ??? 2.0 ??? ??? ??? ??? 6.0 ??? ??? ??? ??? v ???? ???? ???? ???? v in , v out ?????????????? ?????????????? ?????????????? ?????????????? dc input voltage, output voltage (referenced to gnd) ??? ??? ??? ??? 0 ??? ??? ??? ??? v cc ??? ??? ??? ??? v ???? ???? ???? ???? t a ?????????????? ?????????????? ?????????????? ?????????????? operating temperature, all package types ??? ??? ??? ??? 55 ??? ??? ??? ??? + 125 ??? ??? ??? ??? c ???? ???? ???? ???? ???? t r , t f ?????????????? ?????????????? ?????????????? ?????????????? ?????????????? input rise and fall time v cc = 2.0 v (figure 1) v cc = 4.5 v v cc = 6.0 v ??? ??? ??? ??? ??? 0 0 0 ??? ??? ??? ??? ??? 1000 500 400 ??? ??? ??? ??? ??? ns dc electrical characteristics (voltages referenced to gnd) ???? ???? ???? ???? symbol ????????? ????????? ????????? ????????? parameter ????????? ????????? ????????? ????????? test conditions ???? ???? ???? ???? v cc v ????????? ????????? ????????? ????????? guaranteed limit ??? ??? ??? ??? unit ???? ???? ???? ???? ???? symbol ????????? ????????? ????????? ????????? ????????? parameter ????????? ????????? ????????? ????????? ????????? test conditions ???? ???? ???? ???? ???? v cc v ??? ??? ??? ??? ??? 55 to 25 c ???? ???? ???? ???? ???? 85 c ???? ???? ???? ???? ???? 125 c ??? ??? ??? ??? ??? unit ???? ???? ???? ???? ???? v ih ????????? ????????? ????????? ????????? ????????? minimum highlevel input voltage ????????? ????????? ????????? ????????? ????????? v out = 0.1 v or v cc 0.1 v |i out | 20 m a ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 1.5 3.15 4.2 ???? ???? ???? ???? ???? 1.5 3.15 4.2 ???? ???? ???? ???? ???? 1.5 3.15 4.2 ??? ??? ??? ??? ??? v ???? ???? ???? ???? ???? v il ????????? ????????? ????????? ????????? ????????? maximum lowlevel input voltage ????????? ????????? ????????? ????????? ????????? v out = 0.1 v or v cc 0.1 v |i out | 20 m a ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 0.5 1.35 1.8 ???? ???? ???? ???? ???? 0.5 1.35 1.8 ???? ???? ???? ???? ???? 0.5 1.35 1.8 ??? ??? ??? ??? ??? v ???? ???? ???? ???? ???? v oh ????????? ????????? ????????? ????????? ????????? minimum highlevel output voltage ????????? ????????? ????????? ????????? ????????? v in = v ih or v il |i out | 20 m a ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 1.9 4.4 5.9 ???? ???? ???? ???? ???? 1.9 4.4 5.9 ???? ???? ???? ???? ???? 1.9 4.4 5.9 ??? ??? ??? ??? ??? v ???? ???? ???? ???? ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? v in = v ih or v il |i out | 6.0 ma |i out | 7.8 ma ???? ???? ???? ???? 4.5 6.0 ??? ??? ??? ??? 3.98 5.48 ???? ???? ???? ???? 3.84 5.34 ???? ???? ???? ???? 3.70 5.20 ??? ??? ??? ??? ???? ???? ???? ???? ???? v ol ????????? ????????? ????????? ????????? ????????? maximum lowlevel output voltage ????????? ????????? ????????? ????????? ????????? v in = v ih or v il |i out | 20 m a ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 0.1 0.1 0.1 ???? ???? ???? ???? ???? 0.1 0.1 0.1 ???? ???? ???? ???? ???? 0.1 0.1 0.1 ??? ??? ??? ??? ??? v ???? ???? ???? ???? ???? ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? v in = v ih or v il |i out | 6.0 ma |i out | 7.8 ma ???? ???? ???? ???? ???? 4.5 6.0 ??? ??? ??? ??? ??? 0.26 0.26 ???? ???? ???? ???? ???? 0.33 0.33 ???? ???? ???? ???? ???? 0.40 0.40 ??? ??? ??? ??? ??? ???? ???? ???? ???? i in ????????? ????????? ????????? ????????? maximum input leakage current ????????? ????????? ????????? ????????? v in = v cc or gnd, pin 1 or 19 ???? ???? ???? ???? 6.0 ??? ??? ??? ??? 0.1 ???? ???? ???? ???? 1.0 ???? ???? ???? ???? 1.0 ??? ??? ??? ??? m a ???? ???? ???? ???? ???? i oz ????????? ????????? ????????? ????????? ????????? maximum threestate leakage current ????????? ????????? ????????? ????????? ????????? output in highimpedance state v in = v il or v ih v out = v cc or gnd, i/o pins ???? ???? ???? ???? ???? 6.0 ??? ??? ??? ??? ??? 0.5 ???? ???? ???? ???? ???? 5.0 ???? ???? ???? ???? ???? 10 ??? ??? ??? ??? ??? m a ???? ???? ???? ???? i cc ????????? ????????? ????????? ????????? maximum quiescent supply current (per package) ????????? ????????? ????????? ????????? v in = v cc or gnd i out = 0 m a ???? ???? ???? ???? 6.0 ??? ??? ??? ??? 4 ???? ???? ???? ???? 40 ???? ???? ???? ???? 160 ??? ??? ??? ??? m a note: information o n t ypica l p arametri c v alue s and high frequency or heavy load considerations c a n b e f oun d i n c hapte r 2 o f t h e m otorol a h igh speed cmos data book (dl129/d). this device contains protection circuitry to guard against damage due to high static voltages or electric fields. however , precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this highimpedance cir - cuit. for proper operation, v in and v out should be constrained to the range gnd (v in or v out ) v cc . unused inputs must always be tied to an appropriate logic voltage level (e.g., either gnd or v cc ). unused outputs must be left open.
mc54/74hc245a highspeed cmos logic data dl129 e rev 6 3 motorola ac electrical characteristics (c l = 50 pf, input t r = t f = 6 ns) ???? ???? ???? ???? symbol ????????????????? ????????????????? ????????????????? ????????????????? parameter ???? ???? ???? ???? v cc v ????????? ????????? ????????? ????????? guaranteed limit ??? ??? ??? ??? unit ???? ???? ???? ???? ???? symbol ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? parameter ???? ???? ???? ???? ???? v cc v ??? ??? ??? ??? ??? 55 to 25 c ???? ???? ???? ???? ???? 85 c ???? ???? ???? ???? ???? 125 c ??? ??? ??? ??? ??? unit ???? ???? ???? ???? ???? t plh , t phl ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? maximum propagation delay, a to b, b to a (figures 1 and 3) ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 75 15 13 ???? ???? ???? ???? ???? 95 19 16 ???? ???? ???? ???? ???? 110 22 19 ??? ??? ??? ??? ??? ns ???? ???? ???? ???? ???? t plz , t phz ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? maximum propagation delay , direction or output enable to a or b (figures 2 and 4) ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 110 22 19 ???? ???? ???? ???? ???? 140 28 24 ???? ???? ???? ???? ???? 165 33 28 ??? ??? ??? ??? ??? ns ???? ???? ???? ???? ???? ???? t pzl , t pzh ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? maximum propagation delay, output enable to a or b (figures 2 and 4) ???? ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? ??? 110 22 19 ???? ???? ???? ???? ???? ???? 140 28 24 ???? ???? ???? ???? ???? ???? 165 33 28 ??? ??? ??? ??? ??? ??? ns ???? ???? ???? ???? ???? t tlh , t thl ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? maximum output transition time, any output (figures 1 and 3) ???? ???? ???? ???? ???? 2.0 4.5 6.0 ??? ??? ??? ??? ??? 60 12 10 ???? ???? ???? ???? ???? 75 15 13 ???? ???? ???? ???? ???? 90 18 15 ??? ??? ??? ??? ??? ns ???? ???? ???? ???? c in ????????????????? ????????????????? ????????????????? ????????????????? maximum input capacitance (pin 1 or pin 19) ???? ???? ???? ???? e ??? ??? ??? ??? 10 ???? ???? ???? ???? 10 ???? ???? ???? ???? 10 ??? ??? ??? ??? pf ???? ???? ???? ???? ???? c out ????????????????? ????????????????? ????????????????? ????????????????? ????????????????? maximum threestate i/o capacitance (i/o in highimpedance state) ???? ???? ???? ???? ???? e ??? ??? ??? ??? ??? 15 ???? ???? ???? ???? ???? 15 ???? ???? ???? ???? ???? 15 ??? ??? ??? ??? ??? pf note: for propagation delays with loads other than 50 pf, and information on typical parametric values, see chapte r 2 o f the motorola high speed cmos data book (dl129/d). c pd power dissipation capacitance (per transceiver channel)* typical @ 25 c, v cc = 5.0 v pf c pd power dissipation capacitance (per transceiver channel)* 40 pf * used to determine the noload dynamic power consumption: p d = c pd v cc 2 f + i cc v cc . for load considerations, see chapter 2 of the motorola highspeed cmos data book (dl129/d). switching waveforms v cc gnd t f t r input a or b output b or a 10% 50% 90% 10% 50% 90% t tlh t plh t phl t thl figure 1. output enable a or b a or b 50% 50% 50% 90% 10% t pzl t plz t pzh t phz v cc gnd high impedance v ol v oh high impedance v cc gnd 50% figure 2. direction test circuits * includes all probe and jig capacitance c l * test point device under test output figure 3. * includes all probe and jig capacitance c l * test point device under test output figure 4. connect to v cc when testing t plz and t pzl . connect to gnd when testing t phz and t pzh . 1 k w
mc54/74hc245a motorola highspeed cmos logic data dl129 e rev 6 4 expanded logic diagram a data port b data port output enable direction a1 a2 a3 a4 a5 a6 a7 a8 2 3 4 5 6 7 8 9 19 1 b1 b2 b3 b4 b5 b6 b7 b8 18 17 16 15 14 13 12 11
mc54/74hc245a highspeed cmos logic data dl129 e rev 6 5 motorola outline dimensions j suffix ceramic package case 73203 issue e n suffix plastic package case 73803 issue e dw suffix plastic soic package case 751d04 issue e notes: 1. leads within 0.25 (0.010) diameter, true position at seating plane, at maximum material condition. 2. dimension l to center of leads when formed parallel. 3. dimensions a and b include meniscus. dim min max min max inches millimeters a 23.88 25.15 0.940 0.990 b 6.60 7.49 0.260 0.295 c 3.81 5.08 0.150 0.200 d 0.38 0.56 0.015 0.022 f 1.40 1.65 0.055 0.065 g 2.54 bsc 0.100 bsc h 0.51 1.27 0.020 0.050 j 0.20 0.30 0.008 0.012 k 3.18 4.06 0.125 0.160 l 7.62 bsc 0.300 bsc m 0 15 0 15 n 0.25 1.02 0.010 0.040 a 20 1 10 11 b f c seating plane d h g k n j m l 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 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
mc54/74hc245a motorola highspeed cmos logic data dl129 e rev 6 6 how to reach us: usa/europe : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, toshikatsu otsuki, p.o. box 20912; phoenix, arizona 85036. 18004412447 6f seibubutsuryucenter, 3142 tatsumi kotoku, tokyo 135, japan. 0335218315 mfax : rmf ax0@email.sps.mot.com touchtone (602) 2446609 hong kong : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, internet : http://designnet.com 51 ting kok road, tai po, n.t., hong kong. 85226629298 motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty , representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola 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 consequential or incidental damages. at ypicalo parameters can and do vary in dif ferent applications. all operating parameters, including at ypicalso must be validated for each customer application by customer ' s technical experts. motorola does not convey any license under its patent rights nor the rights of others. motorola 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 motorola product could create a situation where personal injury or death may occur . should buyer purchase or use motorola products for any such unintended or unauthorized application, buyer shall indemnify and hold motorola 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, directly or indirectly , any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufacture of the part. motorola and are registered trademarks of motorola, inc. motorola, inc. is an equal opportunity/af firmative action employer . mc54/74hc245a/d
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