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SN54ALS1002A_07 Datasheet, PDF (1/7 Pages) Texas Instruments – QUADRYPLE 2-INPUT POSITIVE-NOR BUFFERS
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SN54ALS1002A, SN74ALS1002A
QUADRUPLE 2ĆINPUT POSITIVEĆNOR BUFFERS
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SDAS238 − D2661, DECEMBER 1983 − REVISED MAY 1986
• Quad Versions of ’ALS805A
• Buffer Version of ’ALS02
• Package Options Include Plastic Small
Outline Packages, Ceramic Chip Carriers,
and Standard Plastic and Ceramic 300-mil
DIPs
• Dependable Texas Instruments Quality and
Reliability
description
These devices contain four independent 2-input
NOR buffers. They perform the Boolean functions
Y = A + B or Y = A•B in positive logic.
SN54ALS1002A . . . J PACKAGE
SN74ALS1002A . . . D OR N PACKAGE
(TOP VIEW)
1Y 1
1A 2
1B 3
2Y 4
2A 5
2B 6
GND 7
14 VCC
13 4Y
12 4B
11 4A
10 3Y
9 3B
8 3A
SN54ALS1002A . . . FK PACKAGE
(TOP VIEW)
The SN54ALS1002A is characterized for opera-
tion over the full military temperature range of
−55°C to 125°C. The SN74ALS1002A is
characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each gate)
INPUTS OUTPUT
AB
Y
HX
L
XH
L
LL
H
1B
3 2 1 20 19
4
18
4B
NC 5
17 NC
2Y 6
16 4A
NC 7
15 NC
2A 8
14 3Y
9 10 11 12 13
NC − No internal connection
logic symbol†
2
1A
≥1
3
1B
5
2A
6
2B
8
3A
9
3B
11
4A
12
4B
1 1Y
4 2Y
10 3Y
13 4Y
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
Pin numbers shown are for D, J, and N packages.
logic diagram (positive logic)
1A
1Y
1B
2A
2Y
2B
3A
3Y
3B
4A
4Y
4B
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.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77001
Copyright  1986, Texas Instruments Incorporated
5BASIC
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