5440/7440 Dual 4-Input Positive-NAND Buffer 71 Schottky TTL High-Speed TTL Low-Power Schottky TTL Standard TTL Low-Power TTL Package . Package . Package . Package . Package vice Type Device Type Device Type Device Type Device Type De ype TCP [MCF ype Tc] P[M|cr ye Te] P[M|cr ype Tc] PiM|cr C[P|M|cF SNS4S40 1D WO] SN54H40 0) WO] SN54LS40 IQ WO] SNS5440 ID w@} Tl. SN74S40 J OINO) SN74H40 JOIND) SN74LS40 JO|NO} N7440 JONG) FM54S40/FM9S40 /D0) FMS4H40/FMSH40 IDO) F QS FWS4LS40,/ FMOLS40 vO) FO | FM5440/FM9N40 = |D(), FQ FAIRCHILD FC74S40/FC9S40 [oO PO FD | FC74H40/FCSH40 |DAIPO FC74L S40, FCOLS4O o@ | PO F@ | FC7440/FC9N40 [DCBIP A: F@ MC 3124 L FQ MC 5440 LM F@ MOTOROLA MC 3024 coro, [Fa] snc sao PO MO 7440 coleal [ra DM54H40 JQING} DMS4L $40 DM5440 JONG WO) N.S.C. OM74S40 NO} OM74H40 SOING| OMT4L S40 a OM7440 JOIN PHILIPS N74S40 GJHI41/74H40 QO N74L S40 D F JH141/7440 Q SIGNETICS $54S40 FOAQ wd] SS4H40 FOIAD wQ| $5440 FOAD w@) N74S40 FO|aO} N74H40 FOAQ) N74. S40 A) N7440 FOAgI SIEMENS FLA IA a FUJITSU MAB 605 [Me 74L S40 MO} MB 404 ola HITACHI HOyaSA0 alea HD 74. S40 Pd HO7440/HDa501__ | GPa MITSUBISHI M5S040 O M53L.S40 P.O 53240 Pa NEC T4L $40 cm, uPB 205 Dwje a { TOSHIBA +t s3aaa =a Electrical Characteristics SN54LS40/SN74LS40 absolute maximum ratings over operating free-air temperature range schematics (each gate) Supply voltage. Voo "v Operating ree-air [ sN5acs 55C to $25C Input vottage IW temperature range [ SN74LS oC to 70C Interemittar voltage 5.5 Storage temperature range 65C to 150C recommended operating conditions Veo R 7, 7 MIN Snarseo MAX | MIN ee max} UNIT Ri " - a0 | "Hao Supoly voltage. Voc 4s 5 8.5 4.75 5 5.25 v Ri] 4k jak High-level output ourrent. 19% =e 1.2 | mA WwpuTs w oureur R2]600 | 390 Low-level output aurent, 1g, 12 Za mA | ; a Rs v R3/100| 45 Operating tree-ew temperature, TA =55 125 0 70 c R4/ 400 | 250 _ . D be Re R5] 4k} 2k electrical characteristics over recommended operating wo free-air temperature range vo] PARAMETER TEST CONDITIONS f MIN TYP MAX | UNIT ViH High-level input voltage 2 v 40, 'H40 CIRCUITS VoL Low-level input voltage 0.8 Vv VI Input_clamp voltage VoouMiIN, i 7 18mA alSy Vv Voo=MIN, ViL=V . VOH High-level output voltage ce r= wiL max 2.7) 3.3 Vv loHMAX =MIN, Vin 2V, VoL Low-level output voltage Voc N 4 0.25 0.4 v lo, lama i mM it * " input current at Voo=MAX, Vi=7V 0.1] ma maximum input voltage 4H High-level input current Vogon@MAX, Vin=2.7V 20) vA Un Low-level input current VogoTMAX, Vy =0.4V 0.4| ma wens ' Short-circuit output current @ [S4t.8 Family [ ~30 a 130 tA H I os rt-circult output curren [acs Family 30 307 'ocH Supply current Voo=MAx Total, outputs high 0.45 1] mA logL Supply current Total, outputs low 3 6] mA Average per gate | Suppl t Veo75V 0.86 A ce UPPIY curren ce (50% duty cycle) Propagation delay time, . q Voonm5, Tan2sc, PLH low-to-hightevel output ce A 2 24) ns "S40 CIRCUIT Propagation detay time, y CLm45PF, Ry - 6672 PHL high-to-low-level output b F L766 | 2 2a} ns Pin Assignments (Top View) @ 20k 3k O.tk Voc 2D 2G NC 28 2A 2y 10 IC IB GND 2 20 2c urs a f ti}_fio] fo} fa 8 4 r ee et it ll o 7 OUTPUT i i (i | 5k _ j REE se : 0.75k = Mey speAsheAryr t oxo 1A lY NC Veg NC 2A 2B positive logic: Y~ABCD NC No internal connection *LS40 CIRCUIT Resistor values shown are nominal and in ohms. For conditions shown as MIN or MAX, use the appropriate value AI typical values are at Vgg SV, Ta 25C. specified under recommended operating condstions. @Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second for 40. or H40; or 100 milliseconds fr S40