SN54ALS08, SN54AS08, SN74ALS08, SN74AS08
QUADRUPLE 2-INPUT POSITIVE-AND GATES
SDAS191A – APRIL 1982 – REVISED DECEMBER 1994
SN54ALS08, SN54AS08 . . . J PACKAGE
SN74ALS08, SN74AS08 . . . D OR N PACKAGE
(TOP VIEW)
• Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
1A
1B
V
CC
1
2
3
4
5
6
7
14
13
12
11
10
9
4B
4A
4Y
3B
3A
3Y
description
1Y
2A
These devices contain four independent 2-input
positive-AND gates. They perform the Boolean
functions Y = A • B or Y = A + B in positive logic.
2B
2Y
GND
8
The
SN54ALS08
and
SN54AS08
are
characterized for operation over the full military
temperature range of –55°C to 125°C. The
SN74ALS08andSN74AS08arecharacterizedfor
operation from 0°C to 70°C.
SN54ALS08, SN54AS08 . . . FK PACKAGE
(TOP VIEW)
FUNCTION TABLE
(each gate)
3
2
1
20 19
18
1Y
NC
2A
4
5
6
7
8
4A
NC
4Y
NC
3B
INPUTS
OUTPUT
Y
17
16
15
14
A
B
H
X
L
H
L
H
L
L
NC
2B
9 10 11 12 13
X
NC – No internal connection
†
logic symbol
logic diagram (positive logic)
1
1
1A
2
1A
2
3
6
&
3
6
8
1Y
2Y
3Y
4Y
1Y
2Y
3Y
4Y
1B
1B
4
4
2A
5
2A
5
2B
9
2B
9
3A
3A
10
3B
12
4A
13
4B
8
10
3B
12
4A
11
11
13
4B
†
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.
Copyright 1994, 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.
1
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