? semiconductor components industries, llc, 2014 august, 2014 ? rev. 14 1 publication order number: mc74hc74a/d mc74hc74a dual d flip-flop with set and reset high?performance silicon?gate cmos the mc74hc74a is identical in pinout to the ls74. the device inputs are compatible with standard cmos outputs; with pullup resistors, they are compatible with lsttl outputs. this device consists of two d flip?flops with individual set, reset, and clock inputs. information at a d?input is transferred to the corresponding q output on the next positive going edge of the clock input. both q and q outputs are available from each flip?flop. the set and reset inputs are asynchronous. features ? 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 a ? high noise immunity characteristic of cmos devices ? in compliance with the jedec standard no. 7.0 a requirements ? chip complexity: 128 fets or 32 equivalent gates ? nlv prefix for automotive and other applications requiring unique site and control change requirements; aec?q100 qualified and ppap capable ? these devices are pb?free, halogen free and are rohs compliant reset 1 data 1 clock 1 set 1 reset 2 data 2 clock 2 set 2 1 2 3 4 13 12 11 10 5 6 9 8 q1 q1 q2 q2 pin 14 = v cc pin 7 = gnd logic diagram http://onsemi.com see detailed ordering and shipping information in the package dimensions section on page 4 of this data sheet. ordering information marking diagrams a = assembly location l, wl = wafer lot y, yy = year w, ww = work week g or = pb?free package tssop?14 dt suffix case 948g soic?14 nb d suffix case 751a hc74ag awlyww 1 14 hc 74a alyw 1 14 (note: microdot may be in either location) tssop?14 soic?14 nb pin assignment set 1 clock 1 data 1 reset 1 11 12 13 14 8 9 10 5 4 3 2 1 7 6 set 2 clock 2 data 2 reset 2 v cc q2 q2 gnd q1 q1
mc74hc74a http://onsemi.com 2 function table inputs outputs set reset clock data q q lh xx hl hl xx lh l l x x h* h* hh h hl hh l lh h h l x no change h h h x no change h h x no change *both outputs will remain high as long as set and reset are low, but the output states are unpredictable if set and reset go high simultaneously. 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, soic package? tssop package? 500 450 mw t stg storage temperature ?65 to +150 c t l lead temperature, 1 mm from case for 10 seconds (soic or tssop package) 260 300 c stresses exceeding those listed in the maximum ratings table may damage the device. if any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. ?derating: soic package: ?7 mw/ c from 65 to 125 c tssop package: ?6.1 mw/ c from 65 to 125 c 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 (figures 1, 2, 3) v cc = 3.0 v v cc = 4.5 v v cc = 6.0 v 0 0 0 0 1000 600 500 400 ns functional operation above the stresses listed in the recommended operating ranges is not implied. extended exposure to stresse s beyond the recommended operating ranges limits may affect device reliability. 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 high?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.
mc74hc74a http://onsemi.com 3 dc electrical characteristics (voltages referenced to gnd) symbo l parameter test conditions v cc v guaranteed limit unit ?55 to 25 c 85 c 125 c v ih minimum high?level input voltage v out = 0.1 v or v cc ? 0.1 v |i out | 20 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 low?level input voltage v out = 0.1 v or v cc ? 0.1 v |i out | 20 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 high?level output voltage v in = v ih or v il |i out | 20 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 | 2.4 ma |i out | 4.0 ma |i out | 5.2 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 v ol maximum low?level output voltage v in = v ih or v il |i out | 20 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 | 2.4 ma |i out | 4.0 ma |i out | 5.2 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 a i cc maximum quiescent supply current (per package) v in = v cc or gnd i out = 0 a 6.0 2.0 20 80 a ac electrical characteristics (c l = 50 pf, input t r = t f = 6.0 ns) symbo l parameter v cc v guaranteed limit unit ? 55 to 25 c 85 c 125 c f max maximum clock frequency (50% duty cycle) (figures 1 and 4) 2.0 3.0 4.5 6.0 6.0 15 30 35 4.8 10 24 28 4.0 8.0 20 24 mhz t plh , t phl maximum propagation delay, clock to q or q (figures 1 and 4) 2.0 3.0 4.5 6.0 100 75 20 17 125 90 25 21 150 120 30 26 ns t plh , t phl maximum propagation delay, set or reset to q or q (figures 2 and 4) 2.0 3.0 4.5 6.0 105 80 21 18 130 95 26 22 160 130 32 27 ns t tlh , t thl maximum output transition time, any output (figures 1 and 4) 2.0 3.0 4.5 6.0 75 30 15 13 95 40 19 16 110 55 22 19 ns c in maximum input capacitance ? 10 10 10 pf c pd power dissipation capacitance (per flip?flop)* typical @ 25 c, v cc = 5.0 v pf 32 * used to determine the no?load dynamic power consumption: p d = c pd v cc 2 f + i cc v cc .
mc74hc74a http://onsemi.com 4 timing requirements (input t r = t f = 6.0 ns) symbo l parameter v cc v guaranteed limit unit ?55 to 25 c 85 c 125 c t su minimum setup time, data to clock (figure 3) 2.0 3.0 4.5 6.0 80 35 16 14 100 45 20 17 120 55 24 20 ns t h minimum hold time, clock to data (figure 3) 2.0 3.0 4.5 6.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 ns t rec minimum recovery time, set or reset inactive to clock (figure 2) 2.0 3.0 4.5 6.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 ns t w minimum pulse width, clock (figure 1) 2.0 3.0 4.5 6.0 60 25 12 10 75 30 15 13 90 40 18 15 ns t w minimum pulse width, set or reset (figure 2) 2.0 3.0 4.5 6.0 60 25 12 10 75 30 15 13 90 40 18 15 ns t r , t f maximum input rise and fall times (figures 1, 2, 3) 2.0 3.0 4.5 6.0 1000 800 500 400 1000 800 500 400 1000 800 500 400 ns ordering information device package shipping ? MC74HC74ADG soic?14 nb (pb?free) 55 units / rail nlv74hc74adg* soic?14 nb (pb?free) 55 units / rail mc74hc74adr2g soic?14 nb (pb?free) 2500 / tape & reel nlv74hc74adr2g* soic?14 nb (pb?free) 2500 / tape & reel mc74hc74adtr2g tssop?14 (pb?free) 2500 / tape & reel nlv74hc74adtr2g* tssop?14 (pb?free) 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. *nlv prefix for automotive and other applications requiring unique site and control change requirements; aec?q100 qualified and ppap capable.
mc74hc74a http://onsemi.com 5 switching waveforms figure 1. 50% 50% 50% 50% v cc v cc gnd gnd set or reset q or q q or q clock t plh t phl 50% data clock v cc v cc gnd figure 2. valid gnd t su t h t rec t w set data reset 4, 10 2, 12 1, 13 clock 3, 11 5, 9 6, 8 q q *includes all probe and jig capacitance c l * test point device under test output figure 3. 1/f max clock q or q t f t r v cc gnd 90% 50% 10% 90% 50% 10% t plh t phl t tlh t thl t w 50% figure 4. figure 5. expanded logic diagram
mc74hc74a http://onsemi.com 6 package dimensions tssop?14 case 948g issue b 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 0.50 0.60 0.020 0.024 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?. s u 0.15 (0.006) t 2x l/2 s u m 0.10 (0.004) v s t l ?u? seating plane 0.10 (0.004) ?t? ??? ??? 0.25 (0.010) 8 14 7 1 pin 1 ident. h g a d c b s u 0.15 (0.006) t ?v? 14x ref k n n 7.06 14x 0.36 14x 1.26 0.65 dimensions: millimeters 1 pitch soldering footprint
mc74hc74a http://onsemi.com 7 package dimensions soic?14 nb case 751a?03 issue k notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. dimension b does not include dambar protrusion. allowable protrusion shall be 0.13 total in excess of at maximum material condition. 4. dimensions d and e do not include mold protrusions. 5. maximum mold protrusion 0.15 per side. h 14 8 7 1 m 0.25 b m c h x 45 seating plane a1 a m s a m 0.25 b s c b 13x b a e d e detail a l a3 detail a dim min max min max inches millimeters d 8.55 8.75 0.337 0.344 e 3.80 4.00 0.150 0.157 a 1.35 1.75 0.054 0.068 b 0.35 0.49 0.014 0.019 l 0.40 1.25 0.016 0.049 e 1.27 bsc 0.050 bsc a3 0.19 0.25 0.008 0.010 a1 0.10 0.25 0.004 0.010 m 0 7 0 7 h 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.019 6.50 14x 0.58 14x 1.18 1.27 dimensions: millimeters 1 pitch soldering footprint* *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. p ublication 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?5817?1050 mc74hc74a/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 loc al sales representative on semiconductor and the are registered trademarks of semiconductor components industries, llc (scillc) or its subsidia ries in the united states and/or other countries. scillc owns the rights to a number of pa tents, trademarks, copyrights, trade secret s, and other intellectual property. a listin g of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent?marking.pdf. scillc reserves the right to make changes without further notice to any product s herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any part icular purpose, nor does sci llc 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. ?typi cal? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating param eters, 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 right s of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgic al implant into the body, or other applications intended to s upport or sustain life, or for any other application in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemni fy and hold scillc and its officers, em ployees, subsidiaries, affiliates, and dist ributors 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 scillc was negligent regarding the design or manufac ture 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.
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