101 5474/T47T4 Dual D-Type Positive-Edge- Triggered Flip-Flop with Preset and Clear Schottky TTL High-Speed TTL Low-Power Schottky TTL Standard TTL Low-Power TTL Package Package Package Package . Package Device Type Device Type Device Type Device Type Device Type ye [cP IM|cF ype (Cl P[M|cF c[P[M|cr c[P[M|cri Cc] P[MicF T I SNS4S74 SO WDE SNS4H74 JO W@[ SNS4L S74 ID WO] SNS5474 ID WOE SNSSL 74 JUNID | TH! an SN74S74 J DINO SNT74H74 J@DINO SN74L S74 JOINO SN7474 I DING SNTALT4 Jv INDUS FAIRCHILD FM54S74/F M9S74}0@ F MS4H74/F M9H74 [OW FQ] Fmsais74 FMSLS74 9 FO] FMs8474/F M9N74_ [DD F 2) FC74S74/F C9874 JOD PO FC 74H74/FC3H74 |DD|PO EQ] FC7aLS74,/ FCOLS74 D| P@ FO] FC7474/FC9N74 JDP Oy MOTOROLA SN7AL S74 Pao NS. c DM S4H74 JOING OMS54L S74 Pay DOM5474 J BIND W2] OMS4L 74 JD INED FO OM 74574 NO OM 14H74 JOING DM74L S74 OM 7474 LOIND DM74L74 JING FQ PHILIPS N74S7a oO GIJ131/74H74 Cc N74ULS74 wi FASI3S/7474 oO GNETI $54874 S54H74 FO|AC wo S5474 FOD Ww) SI ICS N7as74 N74H74 FolAc: N74L 574 A) N7474 CA SIEMENS FLutal Oo FUJITSU 74 S74 Ma MB420 IMO HITA' HO74S74 OPC HD?4LS 74 IPD). HD7474/HD2510 DIP Oj MITS ISHI MT4S74 PD M74L S74 Pc MS5327/MS374 PO NEC 7aST4 cD TAL S74 cD) uPB214 odie TOSHIBA TO3474A PO Electrical Characteristics SN541S74/SN74LS74 ratings over free-air range Supply voltage. Voc Ww Operating tree-ar SN5&LS: -$8C to (26 . . . [trout vatege av temperature renge pw [am Pin Assignments (Top View) Storage tomoerature ranye -65C to ISOC racommunded operating sonditions 2 SN54LS74 SNTALS7 UNIT Voc CLA 20 2Ck 2R 2 2 1PR.1Q 10 GND 2 20 2PR MIN wom MAX | MIN MAX 14 Beilin WoL.) 94 8 9 Supply vonage. Voc as 5 5.5 | 4.75 5 $.25 v ff T Higtrisvet output current. lo 400 = 400 | uA F G | Low-level output ourrant. 191, a B mA tL. cK Q con Pee width, te Geek heh 2 2 as cia > q Preset or clear low 25 25 took? - High-level data bt 25t > ope nee ane ine, Lowe Low-level data 21 207 *s | = fnput hold twme. tees * st st 6s ail Sy 140 57 167 7? Uperauing free-ar temperature, Ta 58 1s. o 70 c WV 10 1CK 1PR 19 10 GND 1CK iD 1 Vog 2? 20 2CK cLR cLR CLR electrical characteristics over recommended operating Functional Table free-air temperatura range , PARAMETER TEST CONDITIONS tT [MIN TYP MAX [UNIT TAHT, "LS74, S74 (See Note 2) vy High-level input voltage 2 v INPUTS OUTPUTS Vip ___ Low-level input voltage 0.8} Vv PRESET CLEAR CLOCK D Q Q vy Input olamp voltage Voc=MIN, Ip=--18mA ts v L H x x H L Voc=MIN. Viy=2V, H L x x L H v High-level output .voltage 2.7 3.4 v . OH 9 m s ViL=0.8V, loH=MAX L L x x H* Ht Voc=MIN, Viy=2v, H H Tt H H L v Low-level output voltage : 4/ Vv OL if 9 ViL=0 8V, lop = 4mA 9.25 0 H H t L Loo dK, = tnput ourrent at D. 21 H H L x Qo % Clear 0.2 4 maximum input st VOQ=MAX, Vl=7V mA Preset 0.2 voltage Clock }-_. : . oe o.1 Functional Block Diagram O,1K, 20 High-level Clear 40 ee , ' = = a 'H input current Preset VOC=MAX, Vy=2.7V 40 uA meses Clock 20 0,J,K, CLEAR \ Low-level Clear =MAX _ 1 input current preset VoG=MAX, Vi=0.4V mA Clock Short-ciroust Series S4L.S c10cK ' =MAX os output current @ |Series 74LS Voc ma Supply current 1 = CC average per stip-floe) Voc=MAX, See Note f 4 B] mA . f clock frequency Voc =v 25 3B MHz "74, 'S74, H74, LS74, 'L74-QUAL D-FLIP-FLOP WITH CLEAR AND PRESET 'PLH from clear, preset or olock Aree. 13 25 (as appropriate) to Q or O L=I5DF, ns TRPHL Ry =2kQ 5 40 NOTES: 1 With all outputs open, log is measured with the O and } outputs high in turn. Ai the time of maesurement, the clock input is grounded 2 H=nigh level (steady state), L=low level (steady state), X =irrelevant 7 =transition from jow to high evel. Qo=the level of Q before the indicated input conditrons were establshed. * This configuration 1s nonstable; that is, 11 wili not persist when preset and olear inputs return to ther inactive (high) level. tFor conditions shown as MIN or MAX, use the appropiate value specified under TAIL typioal values are at Vog=5V. Ta =25C. @Not more than one output should be shorted at a time. MItPLH mDropagation delay time, low to-high-leve! output; TpH|, propagation delay time, high-to-low-level output ; 3 The arrow indicate the edge of the Giock pulse used for retence: f+ for the rising edge. recommended operating conditions.