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双4选1数据选择器74153/74HC153


介绍

This 4-to-1 line multiplexer utilizes advanced silicon-gate
CMOS technology. It has the low power consumption and
high noise immunity of standard CMOS integrated circuits.
This device is fully buffered, allowing it to drive 10 LS-TTL
loads. Information on the data inputs of each multiplexer is
selected by the address on the A and B inputs, and is pre-
sented on the Y outputs. Each multiplexer possesses a
strobe input which enables it when taken to a low logic lev-
el. When a high logic level is applied to a strobe input, the
output of its associated multiplexer is taken low.
The 54HC/74HC logic family is functionally and pinout com-
patible with the standard 54LS/74LS logic family. All inputs
are protected from damage due to static discharge by inter-
nal diode clamps to VCC and ground.


特性

• Typical propagation delay: 24 ns
• Wide power supply range: 2V±6V
• Low quiescent current: 80 mA maximum (74HC Series)
• Low input current: 1 mA maximum
• Fanout of 10 LS-TTL loads

生产厂商:National Semiconductor
 
datasheet:
74HC153.PDF
下载: pdf 文件

74153.PDF
下载: pdf 文件

 
 

 
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