鈥?/div>
Inputs Are TTL-Voltage Compatible
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC
and GND Configurations
Minimize High-Speed Switching Noise
EPIC
t
(Enhanced-Performance Implanted
CMOS) 1-
m
m Process
500-mA Typical Latch-Up Immunity at 125擄C
Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
54ACT11027 . . . J PACKAGE
74ACT11027 . . . D OR N PACKAGE
(TOP VIEW)
1A
1Y
2Y
GND
GND
3Y
3C
3B
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1B
1C
2A
V
CC
V
CC
2B
2C
3A
description
These devices contain three independent 3-input
NOR gates. They perform the Boolean functions
Y = A + B + C or Y = A
S
B
S
C in positive logic.
The 54ACT11027 is characterized for operation
over the full military temperature range of 鈥?55擄C
to 125擄C. The 74ACT11027 is characterized for
operation from 鈥?40擄C to 85擄C.
FUNCTION TABLE
(each gate)
INPUTS
A
H
X
X
L
B
X
H
X
L
C
X
X
H
L
OUTPUT
Y
L
L
L
H
54ACT11027 . . . FK PACKAGE
(TOP VIEW)
1C
1B
NC
1A
1Y
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
2A
V CC
NC
V CC
2B
2C
3A
NC
3B
3C
NC 鈥?No internal connection
logic symbol
鈥?/div>
1A
1B
1C
2A
2B
2C
3A
3B
3C
1
16
15
14
11
10
9
8
7
6
3Y
3
2Y
鈮?/div>
1
2
1Y
logic diagram (positive logic)
1A
1B
1C
2A
2B
2C
3A
3B
3C
1
16
15
14
11
10
9
8
7
2
1Y
2Y
GND
NC
GND
3Y
3
2Y
6
3Y
鈥?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
漏
1993, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
2鈥?
1
2
3
4
5
