@ Inputs Are TTL-Voltage Compatible @ EPIC (Enhanced-Performance Implanted CMOS) Process @ High Latch-Up immunity Exceeds 250 mA Per JEDEC Standard JESD-17 @ ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, Ri = 0) @ Package Options Include Plastic Small-Outline (D), Shrink Smail-Outl Ine (DB), Thin Shrink Small-Outline (PW), and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description The 'AHCT08 are quadruple 2-input positive-AND gates. These devices perform the function Y = Ae Bor Y=A+B in logic. Boolean positive The SN54AHCTO8 is characterized for operation over the full military temperature range of ~55C to 125C. The SN74AHCT0O8 is characterized for operation from 40C to 85C. FUNCTION TABLE (each gate) INPUTS OUTPUT A B Y H H H L xX L X L L EPIC is a trademark of Texas Instruments Incorporated. PRODUCTION DATA information le current as of ication date, Products conform to specifications per the terme of Texes inetruments 8 warranty. Production processing does not necessertly Include testing of all parameters. 49 Texas INSTRUMENTS SN54AHCT08, SN74AHCTO8 QUADRUPLE 2-INPUT POSITIVE-AND GATES SCLS237A - OCTOBER 1995 ~ REVISED MARCH 1996 TS (TOP VIEW) 1A) 7 1a) Voo 1BfJ2 13] 48 1 03 12[) 4A 2A [4 up) 4v 2B Es 101] 38 2y [Je af] 3A GND {]7 af] 3Y SN54AHCTO8 ... J OR W PACKAGE SN74AHCTO8 ...D, DB, N, OR PW PACKAGE SNS4AHCTOS ... FK PACKAGE (TOP VIEW) ao<c9O Sa -rZz>o ha? 2 1 219807 NC 5 iQ 2AT6 16] nc 7 150 2B [Js 14 9 10 11 12 13 assans NC - No internal connection 4A NC 4yY NC 38 Copyright 1996, Texas Instruments Incorporated POST OFFICE BOX 655303 DALLAS, TEXAS 76265 3-47SN54AHCTO08, SN74AHCTO8 QUADRUPLE 2-INPUT POSITIVE-AND GATES SCLS237A - OCTOBER 1995 ~ REVISED MARCH 1996 logic symbolt 1 1A 3 2 1 1B 4 2A 6 5 2v 2B 9 3A 8 10 3 3B 12 4A "1 13 4Y 4B t This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, DB, J, N, PW, and W packages. logic diagram (positive logic) ;T >) absolute maximum ratings over operating free-air temperature range (unless otherwise noted)t Supply voltage range, VoG oo ccc een eee een eee ee eee nee ee -05Vto7V Input voltage range, V; (see Note 1)... cee ec eet ere ent eens ~O5Vto7V Output voltage range, Vo (see Note 1) 20... cece eee ree ete eee ne -0.5Vto7V Input clamp current, Iq (Vj) <0 OF Vp > VGC) 6c eee teen nent e ene n nents -20 mA Output clamp current, lox (VQ <O OF VQ > VEC) occ cece eee cnet eet t eee beeen nes -20 mA Continuous output current, Iq (VQ =OtOVeG) oo. cece ence teen eee rere n ened tenes +25 mA Continuous current through Voc or GND 21... 02. ccc cece e teen erent nee nena reeenes +50 mA Maximum power dissipation at Ta = 55C (in still air) (see Note 2):D package ................... 1.25W DB or PW package ............. 0.5 W N package .................... 1.1W Storage temperature range, Tig . 6... ee cee eee -~65C to 150C t Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions bayond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The maximum package power dissipation is calculated using a junction temperature of 150C and a board trace langth of 750 mils, except for the N package, which has a trace length of zero. 3-48 wy INSTRUMENTS POST OFFICE BOX 655303 DALLAS, TEXAS 75265recommended operating conditions (see Note 3) SN54AHCT08, SN74AHCTO8 QUADRUPLE 2-INPUT POSITIVE-AND GATES SCLS237A OCTOBER 1995 REVISED MARCH 1996 SN54AHCTO8 | SN74AHCTO08 UNIT MIN MAX MIN MAX Voc Supply voltage 4.56 .5 4.5 5.5 Vv VIH High-level input voltage 2 2 Vv VIL Low-level input voltage 0.8 0.8 Vv VI Input voltage 0 5.5 0 6.5 V Vo Output voltage 0 Vcc 0 Vcc V IOH High-level output current -8 ~8 mA lot Low-level output current 8 8] mA AtVAv Input transition rise or fail rate 20 20] ns/V Ta Operating free-air temperature ~65 125 40 85 C NOTE 3: Unused inputs must be held high or low to prevent them from floating. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) Ta = 25C SNS4AHCTO8 | SN74AHCTOB PARAMETER TEST CONDITIONS Voc UNIT MIN TYP MAX| MIN MAX] MIN MAX JOH = -50 3.15 3.65 3.15 3.15 VOH OH us 45V V IOH = -8 MA 25 2.4 2.4 lo, = 50 0.1 0.1 0.1 VOL Ol wh 4.5V Vv lor = 8mA 0.36 0.44 0.44 \ Vi = Voc or GND 5.5 V 40.1 +1 +1 pA loc Vi = Voc or GND, lo=0 5.5V 2 20 20 pA One input at 3.4 V, Alcct Other inputs at Voc or GND 55V 1.35 18 1S] mA loff Vo =5.5V ov 0.5 5 pA Cj Vi = Voc or GND 5V 4 10 10] pF On products compliant to MIL-PRF-38535, this parameter does not apply. t This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or Vcc. switching characteristics over recommended operating free-air temperature range, Vec = 5 V+ 0.5 V (unless otherwise noted) (see Figure 1) SN54AHCT08 FROM TO LOAD a, PARAMETER (INPUT) (OUTPUT) CAPACITANCE Ta = 25C MIN MAX UNIT MIN TYP MAX tPLH 6.9 1 8 PL AorB Y CL = 15 pF ns tPHL* 5 6.9 1 8 t 55 7.9 1 9 PLH AorB Y CL = 80 pF ng tPHL 5.5 7.9 1 9 * On products compliant to MIL-PRF-38535, this parameter is ensured but not production tested. INSTRUMENTS POST OFFICE BOX 655303 @ DALLAS, TEXAS 75265 3-49SN54AHCTO8, SN74AHCTO8 QUADRUPLE 2-INPUT POSITIVE-AND GATES SCLS237A ~ OCTOBER 1995 REVISED MARCH 1996 switching characteristics over recommended operating free-alr temperature range, Voc = 5 V + 0.5 V (unless otherwise noted) (see Figure 1) SN74AHCTOS FROM TO LOAD PARAMETER Ta = 28C UNIT INPUT) (OUTPUT) CAPACITANCE MIN MAX q MIN TYP MAX t 5 6: 1 8 PLH AorB Y Cy = 15 pF 2 ns tPHL 5 6.9 1 8 t 5.5 7.9 1 9 PLH AorB Y Cl = 50 pF ns {PHL 5.5 79 1 9 nolse characteristics, Vcc = 5 V, C, = 50 pF, Ta = 25C (see Note 4) SN74AHCT! PARAMETER C708 UNIT MIN TYP MAX VOL(P) _ Quiet output, maximum dynamic VoL 0.4 0.8 Vv VOL(V) Quiet output, minimum dynamic VoL 04 08 Vv VIH(D) High-level dynamic input voltage 2 Vv VIL(D) Low-level dynamic input voltage 0.8 v NOTE 4: Characteristics are determined during product characterization and ensured by design for surface-mount packages only. operating characteristics, Vcc = 5 V, Ta = 25C PARAMETER TEST CONDITIONS TYP | UNIT Cod Power dissipation capacitance No load, f= 1 MHz 18 pF PARAMETER MEASUREMENT INFORMATION From Output Test input JN 3V Under Test Point (see Note B) 1.5V 1.5V y | { 9 CL (see Note A) tPLH +s e>- PHL | | VOoH = In-Phase r 1.5V 15V Output ' VoL LOAD CIRCUIT tp. >| l ot ten oO | | Vou ut-of-Phase 1.5V 16V Output . . a - VoL VOLTAGE WAVEFORMS DELAY TIMES NOTES: A. Cy includes probe and jig capacitance. B. Allinput pulses are supplied by generators having the following characteristics: PRR < 1 MHz, Zo = 509, ty = 3ns, tf} =3ns. C. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circult and Voltage Waveforms Wy TEXAS INSTRUMENTS 3-50 POST OFFICE BOX 658303 DALLAS, TEXAS 75265