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54157DMQB PDF预览

54157DMQB

更新时间: 2024-02-15 12:03:43
品牌 Logo 应用领域
美国国家半导体 - NSC 解复用器逻辑集成电路
页数 文件大小 规格书
6页 120K
描述
Quad 2-Line to 1-Line Data Selectors/Multiplexers

54157DMQB 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknown风险等级:5.84
Base Number Matches:1

54157DMQB 数据手册

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June 1989  
54157/DM54157/DM74157  
Quad 2-Line to 1-Line Data Selectors/Multiplexers  
General Description  
Features  
Y
Buffered inputs and outputs  
These data selectors/multiplexers contain inverters and  
drivers to supply full on-chip data selection to the four out-  
put gates. A separate strobe input is provided. A 4-bit word  
is selected from one of two sources and is routed to the four  
outputs.  
Y
Typical propagation time 9 ns  
Y
Typical power dissipation 150 mW  
Y
Alternate Military/Aerospace device (54157) is avail-  
able. Contact a National Semiconductor Sales Office/  
Distributor for specifications.  
Applications  
Y
Expand any data input point  
Y
Multiplex dual data buses  
Y
Generate four functions of two variables (one variable  
is common)  
Y
Source programmable counters  
Connection Diagram  
Dual-In-Line Package  
TL/F/6550–1  
Order Number 54157DMQB, 54157FMQB, DM54157J, DM54157W or DM74157N  
See NS Package Number J16A, N16E or W16A  
Function Table  
Inputs  
Select  
Output Y  
Strobe  
A
B
H
L
L
L
L
X
L
X
L
X
X
X
L
L
L
L
H
X
X
H
L
H
H
H
H
e
e
e
Low Level, X Don’t Care  
H
High Level, L  
C
1995 National Semiconductor Corporation  
TL/F/6550  
RRD-B30M105/Printed in U. S. A.  

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