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SN74ALS157ADR Datasheet

  • SN74ALS157ADR

  • QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS

  • 554.15KB

  • 18页

  • TI

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SN54ALS157A, SN54ALS158
SN74ALS157A, SN74ALS158, SN74AS157, SN74AS158
QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS
SDAS081C 鈥?APRIL 1982 鈥?REVISED DECEMBER 1994
鈥?/div>
鈥?/div>
Buffered Inputs and Outputs
Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
SN54ALS157A, SN54ALS158 . . . J PACKAGE
SN74ALS157A, SN74ALS158,
SN74AS157, SN74AS158
. . .
D OR N PACKAGE
(TOP VIEW)
description
These data selectors/multiplexers contain
inverters and drivers to supply full data selection
to the four output gates. A separate strobe (G)
input is provided. A 4-bit word is selected from one
of two sources and is routed to the four outputs.
The
鈥睞LS157A
and SN74AS157 present true
data. The
鈥睞LS158
and SN74AS158 present
inverted data to minimize propagation delay time.
The SN54ALS157A and SN54ALS158 are
characterized for operation over the full military
temperature range of 鈥?55掳C to 125掳C. The
SN74ALS157A, SN74ALS158, SN74AS157, and
SN74AS158 are characterized for operation from
0掳C to 70掳C.
A /B
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
G
4A
4B
4Y
3A
3B
3Y
SN54ALS157A, SN54ALS158 . . . FK PACKAGE
(TOP VIEW)
1A
A/B
NC
V
CC
3
4
5
6
7
8
1B
1Y
NC
2A
2B
2 1 20 19
18
17
16
15
G
4A
4B
NC
4Y
3A
14
9 10 11 12 13
NC 鈥?No internal connection
FUNCTION TABLE
INPUTS
DATA
G
H
L
L
L
L
A /B
X
L
L
H
H
A
X
L
H
X
X
B
X
X
X
L
H
OUTPUT Y
鈥睞LS157A
SN74AS157
L
L
H
L
H
鈥睞LS158
SN74AS158
H
H
L
H
L
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
1994, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
2Y
GND
NC
3Y
3B
1

SN74ALS157ADR 产品属性

  • 1

  • 集成电路 (IC)

  • 逻辑 - 信号开关，多路复用器，解码器

  • 74ALS

  • 数据选择器/多路复用器

  • 4 x 2:1

  • 1

  • 400µA, 8mA

  • 单电源

  • 4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面贴装

  • 16-SOIC（0.154"，3.90mm 宽）

  • 16-SOIC N

  • Digi-Reel®

  • 296-14718-6

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