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MM74HCT157 PDF预览

MM74HCT157

更新时间: 2024-01-24 02:47:09
品牌 Logo 应用领域
美国国家半导体 - NSC 复用器
页数 文件大小 规格书
6页 131K
描述
2-Input Multiplexer , Quad 2-Input Multiplexer (Inverted Output)

MM74HCT157 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
风险等级:5.92JESD-30 代码:R-PDIP-T16
JESD-609代码:e0逻辑集成电路类型:MULTIPLEXER
功能数量:4输入次数:2
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
子类别:Multiplexer/Demultiplexers标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

MM74HCT157 数据手册

 浏览型号MM74HCT157的Datasheet PDF文件第2页浏览型号MM74HCT157的Datasheet PDF文件第3页浏览型号MM74HCT157的Datasheet PDF文件第4页浏览型号MM74HCT157的Datasheet PDF文件第5页浏览型号MM74HCT157的Datasheet PDF文件第6页 
February 1988  
MM54HCT157/MM74HCT157 Quad  
2-Input Multiplexer  
MM54HCT158/MM74HCT158  
Quad 2-Input Multiplexer (Inverted Output)  
General Description  
These high speed QUAD 2-to-1 line data selector/multiplex-  
ers utilize advanced silicon-gate CMOS technology. They  
possess the high noise immunity and low power consump-  
tion of standard CMOS integrated circuits, as well as the  
ability to drive 10 LS-TTL loads.  
The 54HCT/74HCT logic family is functionally as well as  
pin-out compatible with the standard 54LS/74LS logic fami-  
ly. All inputs are protected from damage due to static dis-  
charge by internal diode clamps to V  
and ground.  
CC  
Features  
Y
These devices each consist of four 2-input digital multiplex-  
ers with common select and OUTPUT ENABLE inputs. On  
the MM54HCT157/MM74HCT157, when the OUTPUT EN-  
ABLE input is at logical ‘‘0’’ the four outputs assume the  
values as selected from the inputs. When the OUTPUT EN-  
ABLE input is at a logical ‘‘1’’ the outputs assume logical  
‘‘0’’. The MM54HCT158/MM74HCT158 operates in the  
same manner, except that its outputs are inverted. Select  
decoding is done internally resulting in a single select input  
only. If enabled, the select input determines whether the A  
or B inputs get routed to their corresponding Y outputs.  
Typical propagation delay: 14 ns data to any output  
Y
Y
g
Power supply range: 5V 10%  
Low power supply quiescent current: 80 mA maximum  
(74HCT Series)  
Y
Y
Y
Low input current: 1 mA maximum  
Completely TTL compatible  
High output drive current: 60 mA minimum  
Connection Diagrams  
Dual-In-Line Package  
Dual-In-Line Package  
TL/F/5741–2  
TL/F/5741–1  
Top View  
Top View  
Order Number MM54HCT157/158 or MM74HCT157/158  
Function Table  
Inputs  
Select  
Output Y  
Strobe  
A
B
HCT157  
HCT158  
H
L
L
L
L
X
L
L
H
H
X
L
H
X
X
X
X
X
L
L
L
H
L
H
H
L
H
L
H
H
e
e
e
H
High Level, L  
Low Level, X  
Irrelevant  
C
1995 National Semiconductor Corporation  
TL/F/5741  
RRD-B30M105/Printed in U. S. A.  

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