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SN74AS151

更新时间: 2024-11-14 23:03:11
品牌 Logo 应用领域
德州仪器 - TI 复用器
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6页 112K
描述
1-OF-8 DATA SELECTORS/MULTIPLEXERS

SN74AS151 数据手册

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SN54ALS151, SN74ALS151, SN74AS151  
1-OF-8 DATA SELECTORS/MULTIPLEXERS  
SDAS205A – APRIL 1982 – REVISED DECEMBER 1994  
SN54ALS151 . . . J PACKAGE  
SN74ALS151, SN74AS151 . . . D OR N PACKAGE  
(TOP VIEW)  
8-Line to 1-Line Multiplexers Can Perform  
as:  
Boolean Function Generators  
Parallel-to-Serial Converters  
Data Source Selectors  
D3  
D2  
D1  
D0  
Y
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
D4  
D5  
D6  
D7  
A
Input Clamping Diodes Simplify System  
Design  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
W
G
B
GND  
C
description  
SN54ALS151 . . . FK PACKAGE  
(TOP VIEW)  
These data selectors/multiplexers provide full  
binary decoding to select one-of-eight data  
sources. The strobe (G) input must be at a low  
logic level to enable the inputs. A high level at the  
strobe terminal forces the W output high and the  
Y output low.  
3
2
1
20 19  
18 D5  
D1  
D0  
NC  
Y
4
5
6
7
8
17  
16  
15  
14  
D6  
NC  
D7  
A
The SN54ALS151 is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS151 and SN74AS151 are  
characterized for operation from 0°C to 70°C.  
W
9 10 11 12 13  
NC – No internal connection  
FUNCTION TABLE  
INPUTS  
SELECT  
OUTPUTS  
STROBE  
G
C
X
L
B
X
L
A
X
L
Y
W
H
H
L
L
L
L
L
L
L
L
L
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
L
L
H
L
L
H
H
L
L
H
L
H
H
H
H
L
H
L
H
H
H
H = high level, L = low level, X = irrelevant  
D0, D1, . . . D7 = the level of the respective D input  
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
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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