54ACT11021, 74ACT11021
DUAL 4-INPUT POSITIVE-AND GATES
SCAS012B – D2957, JULY 1987 – REVISED APRIL 1993
54ACT11021 . . . J PACKAGE
74ACT11021 . . . D OR N PACKAGE
(TOP VIEW)
• Inputs Are TTL-Voltage Compatible
• Flow-Through Architecture Optimizes
PCB Layout
• Center-Pin V
and GND Configurations
Minimize High-Speed Switching Noise
1B
1A
NC
1C
1D
V
CC
1
2
3
4
5
6
7
14
13
12
11
1Y
• EPIC (Enhanced-Performance Implanted
CMOS) 1- m Process
GND
2Y
CC
10 2A
• 500-mA Typical Latch-Up Immunity at 125°C
2D
9
8
2B
• Package Options Include Plastic Small-
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
2C
NC
54ACT11021 . . . FK PACKAGE
(TOP VIEW)
description
These devices contain two independent 4-input
AND gates. They perform the Boolean functions
Y = A B C D or Y = A + B + C + D in positive logic.
3
2
1
20 19
18
2B
NC
NC
1B
4
5
6
7
8
NC
NC
NC
2C
17
16
15
14
The 54ACT11021 is characterized for operation
over the full military temperature range of –55°C
to 125°C. The 74ACT11021 is characterized for
operation from – 40°C to 85°C.
NC
1A
9 10 11 12 13
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
Y
NC – No internal connection
A
H
L
B
C
H
X
X
L
D
H
X
X
X
L
H
X
L
H
L
L
L
L
logic diagram (positive logic)
X
X
X
1A
1B
1C
1D
X
X
1Y
X
2A
2B
2C
2D
†
logic symbol
2Y
2
1A
&
1
1B
3
1Y
2Y
13
1C
12
1D
10
2A
9
2B
5
7
2C
6
2D
†
This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
EPIC is a trademark of Texas Instruments Incorporated.
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.
Copyright 1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265