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74HC153 pdf datasheet
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大小:133 |
2008-08-06
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MM54HC153/MM74HC153
Dual 4-Input Multiplexer
General Description
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 presented
on the Y outputs. Each multiplexer possesses a
strobe input which enables it when taken to a low logic level.
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 compatible
with the standard 54LS/74LS logic family. All inputs
are protected from damage due to static discharge by internal
diode clamps to VCC and ground.
Features
Y Typical propagation delay: 24 ns
Y Wide power supply range: 2V±6V
Y Low quiescent current: 80 mA maximum (74HC Series)
Y Low input current: 1 mA maximum
Y Fanout of 10 LS-TTL loads
Dual 4-Input Multiplexer
General Description
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 presented
on the Y outputs. Each multiplexer possesses a
strobe input which enables it when taken to a low logic level.
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 compatible
with the standard 54LS/74LS logic family. All inputs
are protected from damage due to static discharge by internal
diode clamps to VCC and ground.
Features
Y Typical propagation delay: 24 ns
Y Wide power supply range: 2V±6V
Y Low quiescent current: 80 mA maximum (74HC Series)
Y Low input current: 1 mA maximum
Y Fanout of 10 LS-TTL loads
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