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参数资料
| 型号： | SNJ54ALS1002AFK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 门电路 |
| 英文描述： | ALS SERIES, QUAD 2-INPUT NOR GATE, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 1/3页 |
| 文件大小： | 43K |
| 代理商： | SNJ54ALS1002AFK |
SN54ALS1002A, SN74ALS1002A
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS
SDAS238 – D2661, DECEMBER 1983 – REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
Copyright
1986, Texas Instruments Incorporated
5BASIC
1
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.
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
A
B
Y
H
X
L
X
HL
L
H
logic symbol
2
1A
1B
3
2A
5
2B
6
3A
8
3B
9
4A
11
4B
12
1
1Y
2Y
4
3Y
10
4Y
13
≥1
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.
1A
1B
1Y
2Y
2B
2A
3Y
3B
3A
4Y
4B
4A
logic diagram (positive logic)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1Y
1A
1B
2Y
2A
2B
GND
VCC
4Y
4B
4A
3Y
3B
3A
SN54ALS1002A ...J PACKAGE
SN74ALS1002A ...D OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
4B
NC
4A
NC
3Y
1B
NC
2Y
NC
2A
SN54ALS1002A . . . FK PACKAGE
(TOP VIEW)
1A
1Y
NC
3B
4Y
2B
GND
NC
NC – No internal connection
CC
V
3A
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.
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