
SN54AHCT02, SN74AHCT02
QUADRUPLE 2-INPUT POSITIVE-NOR GATES
SCLS262I – DECEMBER 1995 – REVISED JANUARY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
EPIC
(Enhanced-Performance Implanted
CMOS) Process
Inputs Are TTL-Voltage Compatible
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), Thin Very Small-Outline (DGV), Thin
Shrink Small-Outline (PW), and Ceramic
Flat (W) Packages, Ceramic Chip Carriers
(FK), and Standard Plastic (N) and Ceramic
(J) DIPs
description
These devices contain four independent 2-input
NOR gates that perform the Boolean function
Y = A
B or Y = A + B in positive logic.
The SN54AHCT02 is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74AHCT02 is characterized for
operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each gate)
INPUTS
A
OUTPUT
Y
B
H
X
L
X
H
L
L
L
H
Copyright
2000, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1Y
1A
1B
2Y
2A
2B
GND
V
CC
4Y
4B
4A
3Y
3B
3A
SN54AHCT02 . . . J OR W PACKAGE
SN74AHCT02 . . . D, DB, DGV, N, OR PW PACKAGE
(TOP VIEW)
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
4B
NC
4A
NC
3Y
1B
NC
2Y
NC
2A
1
1
N
3
3
V
4
2
G
N
SN54AHCT02 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection