? semiconductor components industries, llc, 2011 may, 2011 ? rev. 11 1 publication order number: mc74hct273a/d mc74hct273a octal d flip-flop with common clock and reset with lsttl-compatible inputs high ? performance silicon ? gate cmos the mc74hct273a may be used as a level converter for interfacing ttl or nmos outputs to high ? speed cmos inputs. the hct273a is identical in pinout to the ls273. this device consists of eight d flip ? flops with common clock and reset inputs. each flip ? flop is loaded with a low ? to ? high transition of the clock input. reset is asynchronous and active low. features ? output drive capability: 10 lsttl loads ? ttl/nmos compatible input levels ? outputs directly interface to cmos, nmos and ttl ? operating voltage range: 4.5 v to 5.5 v ? low input current: 1.0 a ? in compliance with the requirements defined by jedec standard no. 7 a ? chip complexity: 284 fets or 71 equivalent gates ? these devices are pb ? free and are rohs compliant figure 1. logic diagram data inputs d0 11 clock d1 d2 d3 d4 d5 d6 d7 18 17 14 13 8 7 4 3 1 reset 19 q0 q1 q2 q3 q4 q5 q6 q7 16 15 12 9 6 5 2 pin 20 = v cc pin 10 = gnd noninverting outputs pin assignment q2 d1 d0 q0 reset gnd q3 d3 d2 q1 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 q6 d6 d7 q7 v cc clock q4 d4 d5 q5 http://onsemi.com soic ? 20w dw suffix case 751d tssop ? 20 dt suffix case 948e 1 1 pdip ? 20 n suffix case 738 1 function table inputs output reset clock d q lxx l hhh hll h l x no change h x no change x = don?t care z = high impedance see detailed ordering, shipping information, and marking information in the package dimensions section on page 5 of this data sheet. ordering information
mc74hct273a http://onsemi.com 2 ??????????????????????? ??????????????????????? ???? ???? ?????????????? ?????????????? ????? ????? ??? ??? ???? ???? v cc ?????????????? ?????????????? ????? ????? ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? 20 ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? 25 ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? 50 ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? ??? ??? ???? ???? ?????????????? ?????????????? ????? ????? ??? ??? c ???? ???? ???? ?????????????? ?????????????? ?????????????? ????? ????? ????? ??? ??? ??? c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. ?derating ? plastic dip: ? 10 mw/ c from 65 to 125 c soic package: ? 7 mw/ c from 65 to 125 c recommended operating conditions ???? ???? ??????????????? ??????????????? ??? ??? ?? ?? ??? ??? ???? ???? v cc ??????????????? ??????????????? ??? ??? ?? ?? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ?? ?? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ?? ?? ??? ??? c ???? ???? ??????????????? ??????????????? ??? ??? ?? ?? ??? ??? dc electrical characteristics (voltages referenced to gnd) ???? ???? ???? ???? symbol ????????? ????????? ????????? ????????? ????????? ????????? ????????? ????????? ???? ???? ???? ???? ????????? ????????? ??? ??? ??? ??? ???? ???? ???? c ??? ??? ??? 85 c ???? ???? ???? 125 c ???? ???? v ih ????????? ????????? ? level input voltage ????????? ????????? 20 a ???? ???? ???? ???? ??? ??? ???? ???? ??? ??? ???? ???? ???? ????????? ????????? ????????? ? level input voltage ????????? ????????? ????????? 20 a ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ??? ??? ??? ???? ???? ???? ???? ????????? ????????? ????????? ????????? ? level output voltage ????????? ????????? ????????? 20 a ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ??? ??? ??? ??? ????????? ????????? 4.0 ma ???? ???? ???? ???? ??? ??? ???? ???? ???? ???? ???? ???? ???? ????????? ????????? ????????? ????????? ????????? ? level output voltage ????????? ????????? ????????? 20 a ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ??? ??? ??? ??? ??? ????????? ????????? ????????? 4.0 ma ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ???? ???? ????????? ????????? ????????? ????????? ???? ???? ???? ???? 0.1 ??? ??? 1.0 ???? ???? 1.0 ??? ??? a ???? ???? ???? ????????? ????????? ????????? ????????? ????????? ????????? a ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ??? ??? ??? a ???? ???? ???? i cc ????????? ????????? ????????? ????????? ????????? ????????? a ???? ???? ???? ???? ???? ? 55 c ?????? ?????? c to 125 c ??? ??? ??? ma ???? ???? ?????? ?????? ? impedance 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.
mc74hct273a http://onsemi.com 3 ac electrical characteristics (v cc = 5.0 v 10%, c l = 50 pf, input t r = t f = 6.0 ns) ????? ????? ????? ????? symbol ???????????????? ???????????????? ???????????????? ???????????????? ???? ???? ???? ???? ????????? ????????? ??? ??? ??? ??? ???? ???? ???? c ??? ??? ??? 85 c ???? ???? ???? 125 c ????? ????? f max ???????????????? ???????????????? ???? ???? ???? ???? ??? ??? ???? ???? ??? ??? ????? ????? ???????????????? ???????????????? ???? ???? ???? ???? ??? ??? ???? ???? ??? ??? ????? ????? ???????????????? ???????????????? ???? ???? ???? ???? ??? ??? ???? ???? ??? ??? ????? ????? ????? ???????????????? ???????????????? ???????????????? ???? ???? ???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ??? ??? ??? typical @ 25 c, v cc = 5.0 v pf 30 * used to determine the no ? load dynamic power consumption: p d = c pd v cc 2 f + i cc v cc . ????????????????????????????????? ????????????????????????????????? timing requirements (v cc = 5.0 v 10%, c l = 50 pf, input t r = t f = 6.0 ns) ???? ???? ???? ???? symbol ??????????????? ??????????????? ??????????????? ??????????????? ??? ??? ??? ??? ???????????? ???????????? ??? ??? ??? ??? ????? ????? c ????? ????? 85 c ???? ???? 125 c ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ???? ???? t su ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? ???? ???? ??????????????? ??????????????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ??? ??? ??? ??? figure 2. c lock q t r t f 3.0 v gnd 2.7 v 1.3 v 0.3 v 90% 1.3 v 10% t plh t phl t tlh t thl figure 3. t w 1/f max reset q clock t w 1.3 v 1.3 v 1.3 v 3.0 v gnd 3.0 v gnd t phl t rec switching waveforms
mc74hct273a http://onsemi.com 4 1.3 v data clock 3.0 v valid gnd *includes all probe and jig capacitance c l * test point device under test output figure 4. 3.0 v gnd t su t h 1.3 v figure 5. test circuit switching waveforms figure 6. expanded logic diagram c d r q d0 3 2 q0 c d r q d1 4 5 q1 c d r q d2 7 6 q2 c d r q d3 8 9 q3 c d r q d4 13 12 q4 c d r q d5 14 15 q5 c d r q d6 17 16 q6 c d r q d7 18 19 q7 11 1 data inputs noninverting outputs clock reset
mc74hct273a http://onsemi.com 5 ordering information device package shipping ? mc74hct273ang pdip ? 20 (pb ? free) 18 units / rail MC74HCT273ADWG soic ? 20 (pb ? free) 38 units / rail mc74hct273adwr2g soic ? 20 (pb ? free) 1000 / tape & reel mc74hct273adtr2g tssop ? 20* 2500 / tape & reel ?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. marking diagrams pdip ? 20 soic ? 20w tssop ? 20 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) 1 20 hct 273a alyw 20 1 hct273a awlyywwg 1 20 mc74hct273an awlyywwg
mc74hct273a http://onsemi.com 6 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.
mc74hct273a http://onsemi.com 7 package dimensions tssop ? 20 dt suffix case 948e ? 02 issue c 7.06 16x 0.36 16x 1.26 0.65 dimensions: millimeters 1 pitch soldering footprint 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 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, representation 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 mc74hct273a/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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