Datasheet

SN54ALS37A, SN74ALS37A
QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
SDAS195A – APRIL 1982 – REVISED DECEMBER 1994
Copyright 1994, Texas Instruments Incorporated
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
These devices contain four independent 2-input
positive-NAND buffers. They perform the Boolean
functions Y = A
B or Y = A + B in positive logic.
The SN54ALS37A is characterized for operation
over the full military temperature range of –55°C
to 125°C. The SN74ALS37A is characterized for
operation from 0°C to 70°C.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
A B
Y
H H L
L XH
XLH
logic symbol
logic diagram (positive logic)
1
1A
2
1B
4
2A
5
2B
9
3A
10
3B
12
4A
13
4B
1Y
3
2Y
6
3Y
8
4Y
11
&
1
1A
2
1B
4
2A
5
2B
9
3A
10
3B
12
4A
13
4B
1Y
3
2Y
6
3Y
8
4Y
11
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.
SN54ALS37A ...J PACKAGE
SN74ALS37A ...D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2A
2B
2Y
GND
V
CC
4B
4A
4Y
3B
3A
3Y
SN54ALS37A . . . FK PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3B
1Y
NC
2A
NC
2B
1B
1A
NC
3Y
3A
V
4B
2Y
NC
CC
NC – No internal connection
GND
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.

Summary of content (10 pages)