semiconductor technical data 1 rev 7 ? motorola, inc. 1997 2/97 !
! ! " highperformance silicongate cmos the mc54/74hc157a is identical in pinout to the ls157. the device inputs are compatible with standard cmos outputs; with pullup resistors, they are compatible with lsttl outputs. this device routes 2 nibbles (a or b) to a single port (y) as determined by the select input. the data is presented at the outputs in noninverted form. a high level on the output enable input sets all four y outputs to a low level. the hc157a is similar in function to the hc257 which has 3state outputs. ? output drive capability: 10 lsttl loads ? outputs directly interface to cmos, nmos, and ttl ? operating voltage range: 2.0 to 6.0 v ? low input current: 1.0 m a ? high noise immunity characteristic of cmos devices ? in compliance with the requirements defined by jedec standard no. 7a ? chip complexity: 82 fets or 20.5 equivalent gates logic diagram 2 5 11 14 3 6 10 13 4 7 9 12 1 15 a0 a1 a2 a3 b0 b1 b2 b3 y0 y1 y2 y3 select output enable data outputs nibble a inputs nibble b inputs pin 16 = v cc pin 8 = gnd
function table pin assignment inputs output outputs enable select y0 y3 x = don't care a0 a3, b0 b3 = the levels of the respective dataword inputs. 13 14 15 16 9 10 11 12 5 4 3 2 1 8 7 6 select y0 b0 a0 y1 b1 a1 gnd y3 b3 a3 output enable v cc b2 a2 y2 h l l x l h l a0 a3 b0 b3 d suffix soic package case 751b05 n suffix plastic package case 64808 ordering information mc54hcxxxaj mc74hcxxxan mc74hcxxxad mc74hcxxxadt ceramic plastic soic tssop 1 16 1 16 1 16 dt suffix tssop package case 948f01 j suffix ceramic package case 62010 1 16
mc54/74hc157a 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) ?????? ?????? 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 current, per pin ?????? ?????? 25 ??? ??? ma ??? ??? i cc ?????????????? ?????????????? dc supply current, v cc and gnd pins ?????? ?????? 50 ??? ??? ma ??? ? ? ? ? ? ? p d ?????????????? ? ???????????? ? ? ???????????? ? power dissipation in still air, plastic or ceramic dip2 soic package2 tssop package2 ?????? ? ???? ? ? ???? ? 750 500 450 ??? ? ? ? ? ? ? mw ??? ? ? ? t stg ?????????????? ? ???????????? ? storage temperature ?????? ? ???? ? 65 to + 150 ??? ? ? ? c ??? ? ? ? ? ? ? ??? t l ?????????????? ? ???????????? ? ? ???????????? ? ?????????????? lead temperature, 1 mm from case for 10 seconds (plastic dip, soic or tssop 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 tssop package: 6.1 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) ???? ???? ????????? ????????? ????????? ????????? ???? ???? ????????? ????????? guaranteed limit ??? ??? ???? ???? symbol ????????? ????????? parameter ????????? ????????? test conditions ???? ???? v cc v ??? ??? 55 to 25 c ???? ???? 85 c ???? ???? 125 c ??? ??? unit ???? ? ?? ? ? ?? ? ???? v ih ????????? ? ??????? ? ? ??????? ? ????????? minimum highlevel input voltage ????????? ? ??????? ? ? ??????? ? ????????? v out = v cc 0.1 v |i out | 20 m a ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 1.5 2.1 3.15 4.2 ???? ? ?? ? ? ?? ? ???? 1.5 2.1 3.15 4.2 ???? ? ?? ? ? ?? ? ???? 1.5 2.1 3.15 4.2 ??? ? ? ? ? ? ? ??? v ???? ? ?? ? ? ?? ? ???? v il ????????? ? ??????? ? ? ??????? ? ????????? maximum lowlevel input voltage ????????? ? ??????? ? ? ??????? ? ????????? v out = 0.1 v |i out | 20 m a ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 0.5 0.9 1.35 1.8 ???? ? ?? ? ? ?? ? ???? 0.5 0.9 1.35 1.8 ???? ? ?? ? ? ?? ? ???? 0.5 0.9 1.35 1.8 ??? ? ? ? ? ? ? ??? v ???? ? ?? ? ???? v oh ????????? ? ??????? ? ????????? minimum highlevel output voltage ????????? ? ??????? ? ????????? v in = v ih |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 |i out | 2.4 ma |i out | 6.0 ma |i out | 7.8 ma ???? ? ?? ? ???? 3.0 4.5 6.0 ??? ? ?? ??? 2.48 3.98 5.48 ???? ? ?? ? ???? 2.34 3.84 5.34 ???? ? ?? ? ???? 2.2 3.7 5.2 ??? ? ? ? ??? 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.
mc54/74hc157a highspeed cmos logic data dl129 e rev 6 3 motorola dc electrical characteristics (voltages referenced to gnd) ??? ??? ????????? ????????? guaranteed limit ???? ???? ????????? ????????? ????????? ????????? ???? ???? ??? ??? ??? unit ???? ???? ???? 125 c ???? ???? ???? 85 c ??? ??? ??? 55 to 25 c ???? ???? ???? v cc v ????????? ????????? ????????? test conditions ????????? ????????? ????????? parameter ???? ???? ???? symbol ???? ? ?? ? ???? v ol ????????? ? ??????? ? ????????? maximum lowlevel output voltage ????????? ? ??????? ? ????????? v in = 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 il |i out | 2.4 ma |i out | 6.0 ma |i out | 7.8 ma ???? ? ?? ? ???? 3.0 4.5 6.0 ??? ? ?? ??? 0.26 0.26 0.26 ???? ? ?? ? ???? 0.33 0.33 0.33 ???? ? ?? ? ???? 0.4 0.4 0.4 ??? ? ? ? ??? ???? ???? i in ????????? ????????? maximum input leakage current ????????? ????????? v in = v cc or gnd ???? ???? 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 ???? ? ?? ? ???? 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 ??? ? ?? ??? 4.0 ???? ? ?? ? ???? 40 ???? ? ?? ? ???? 160 ??? ? ? ? ??? m a note: information on typical parametric values can be found in chapter 2 of the motorola highspeed cmos data book (dl129/d). ac electrical characteristics (c l = 50 pf, input t r = t f = 6.0 ns) ???? ???? sbl ????????????????? ????????????????? p ???? ???? v ????????? ????????? guaranteed limit ??? ??? ui ???? ? ?? ? ???? symbol ????????????????? ? ??????????????? ? ????????????????? parameter ???? ? ?? ? ???? v cc v ??? ? ?? ??? 55 to 25 c ???? ? ?? ? ???? 85 c ???? ? ?? ? ???? 125 c ??? ? ? ? ??? unit ???? ? ?? ? ? ?? ? ???? t plh , t phl ????????????????? ? ??????????????? ? ? ??????????????? ? ????????????????? maximum propagation delay, input a or b to output y (figures 1 and 4) ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 105 65 21 18 ???? ? ?? ? ? ?? ? ???? 130 85 26 22 ???? ? ?? ? ? ?? ? ???? 160 115 32 27 ??? ? ? ? ? ? ? ??? ns ???? ? ?? ? ? ?? ? ???? t plh , t phl ????????????????? ? ??????????????? ? ? ??????????????? ? ????????????????? maximum propagation delay, select to output y (figures 2 and 4) ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 110 70 22 19 ???? ? ?? ? ? ?? ? ???? 140 90 28 24 ???? ? ?? ? ? ?? ? ???? 165 115 33 28 ??? ? ? ? ? ? ? ??? ns ???? ? ?? ? ? ?? ? ???? t plh , t phl ????????????????? ? ??????????????? ? ? ??????????????? ? ????????????????? maximum propagation delay, output enable to output y (figures 3 and 4) ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 100 60 20 17 ???? ? ?? ? ? ?? ? ???? 125 80 25 21 ???? ? ?? ? ? ?? ? ???? 150 110 30 26 ??? ? ? ? ? ? ? ??? ns ???? ? ?? ? ? ?? ? ???? t tlh , t thl ????????????????? ? ??????????????? ? ? ??????????????? ? ????????????????? maximum output transition time, any output (figures 1 and 4) ???? ? ?? ? ? ?? ? ???? 2.0 3.0 4.5 6.0 ??? ? ?? ? ?? ??? 75 27 15 13 ???? ? ?? ? ? ?? ? ???? 95 32 19 16 ???? ? ?? ? ? ?? ? ???? 110 36 22 19 ??? ? ? ? ? ? ? ??? ns ???? ? ?? ? ???? c in ????????????????? ? ??????????????? ? ????????????????? maximum input capacitance ???? ? ?? ? ???? e ??? ? ?? ??? 10 ???? ? ?? ? ???? 10 ???? ? ?? ? ???? 10 ??? ? ? ? ??? pf note: for propagation delays with loads other than 50 pf, and information on typical parametric values, see chapter 2 of the motorola high speed cmos data book (dl129/d). c pdiiici (ppk)* typical @ 25 c, v cc = 5.0 v f c pd power dissipation capacitance (per package)* 33 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).
mc54/74hc157a motorola highspeed cmos logic data dl129 e rev 6 4 pin descriptions inputs a0, a1, a2, a3 (pins 2, 5, 11, 14) nibble a inputs. the data present on these pins is trans- ferred to the outputs when the select input is at a low level and the output enable input is at a low level. the data is presented to the outputs in noninverted form. b0, b1, b2, b3 (pins 3, 6, 10, 13) nibble b inputs. the data present on these pins is trans- ferred to the outputs when the select input is at a high level and the output enable input is at a low level. the data is presented to the outputs in noninverted form. outputs y0, y1, y2, y3 (pins 4, 7, 9, 12) data outputs. the selected input nibble is presented at these outputs when the output enable input is at a low level. the data present on these pins is in its noninverted form. for the output enable input at a high level, the outputs are at a low level. control inputs select (pin 1) nibble select. this input determines the data word to be transferred to the outputs. a low level on this input selects the a inputs and a high level selects the b inputs. output enable (pin 15) output enable input. a low level on this input allows the selected input data to be presented at the outputs. a high level on this input sets all outputs to a low level. switching waveforms input a or b figure 1. hc157a figure 2. y versus select, noninverted output enable t plh t phl t r t f v cc gnd t thl t tlh 10% 50% 90% 10% 50% 90% figure 3. hc157a output y * includes all probe and jig capacitance c l * test point device under test output figure 4. test circuit t r t f v cc gnd output y t phl t plh 10% 50% 90% 10% 50% 90% t tlh t thl t r t f v cc gnd select output y t phl t plh t tlh t thl 10% 50% 90% 10% 50% 90%
mc54/74hc157a highspeed cmos logic data dl129 e rev 6 5 motorola expanded logic diagram 4 7 9 12 2 3 5 6 11 10 14 13 15 1 a0 b0 a1 b1 a2 b2 a3 b3 y0 y1 y2 y3 output enable select data outputs nibble outputs
mc54/74hc157a motorola highspeed cmos logic data dl129 e rev 6 6 outline dimensions j suffix ceramic package case 62010 issue v n suffix plastic package case 64808 issue r 19.05 6.10 e 0.39 1.40 0.21 3.18 19.93 7.49 5.08 0.50 1.65 0.38 4.31 0 0.51 15 1.01 1.27 bsc 2.54 bsc 7.62 bsc min min max max inches millimeters dim 0.750 0.240 e 0.015 0.055 0.008 0.125 0.785 0.295 0.200 0.020 0.065 0.015 0.170 0.050 bsc 0.100 bsc 0.300 bsc a b c d e f g j k l m n 0 0.020 15 0.040 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. dim f may narrow to 0.76 (0.030) where the lead enters the ceramic body. 18 9 16 a b c k n g e f d 16 pl t seating plane m l j 16 pl 0.25 (0.010) t a m s 0.25 (0.010) t b m s min min max max inches millimeters dim a b c d f g h j k l m s 18.80 6.35 3.69 0.39 1.02 0.21 2.80 7.50 0 0.51 19.55 6.85 4.44 0.53 1.77 0.38 3.30 7.74 10 1.01 0.740 0.250 0.145 0.015 0.040 0.008 0.110 0.295 0 0.020 0.770 0.270 0.175 0.021 0.070 0.015 0.130 0.305 10 0.040 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of leads when formed parallel. 4. dimension b does not include mold flash. 5. rounded corners optional. 2.54 bsc 1.27 bsc 0.100 bsc 0.050 bsc a b 18 9 16 f h g d 16 pl s c t seating plane k j m l ta 0.25 (0.010) m m 0.25 (0.010) t b a m s s min min max max millimeters inches dim a b c d f g j k m p r 9.80 3.80 1.35 0.35 0.40 0.19 0.10 0 5.80 0.25 10.00 4.00 1.75 0.49 1.25 0.25 0.25 7 6.20 0.50 0.386 0.150 0.054 0.014 0.016 0.008 0.004 0 0.229 0.010 0.393 0.157 0.068 0.019 0.049 0.009 0.009 7 0.244 0.019 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 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. 1 8 9 16 a b d 16 pl k c g t seating plane r x 45 m j f p 8 pl 0.25 (0.010) b m m d suffix plastic soic package case 751b05 issue j
mc54/74hc157a highspeed cmos logic data dl129 e rev 6 7 motorola outline dimensions dt suffix plastic tssop package case 948f01 issue o ?? ?? dim min max min max inches millimeters a 4.90 5.10 0.193 0.200 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 0.18 0.28 0.007 0.011 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. section nn seating plane ident. pin 1 1 8 16 9 detail e j j1 b c d a k k1 h g detail e f m l 2x l/2 u s u 0.15 (0.006) t s u 0.15 (0.006) t s u m 0.10 (0.004) v s t 0.10 (0.004) t v w 0.25 (0.010) 16x ref k n n 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. atypicalo parameters which may be provided in motorola 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. 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 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 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/affirmative action employer. mfax is a trademark of motorola, inc. how to reach us: usa / europe / locations not listed : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, 6f seibubutsuryucenter, p.o. box 5405, denver, colorado 80217. 3036752140 or 18004412447 3142 tatsumi kotoku, tokyo 135, japan. 81335218315 mfax ? : rmfax0@email.sps.mot.com touchtone 6 022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, us & canada only 18007741848 51 ting kok road, tai po, n.t., hong kong. 85226629298 internet : http://www.mot.com/sps/ mc74hc157a/d ?
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