54157 General Description
These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output
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.
54157 Maximum Ratings
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature Range
DM54 and 54 -55 to +125
DM74 0 to +70
Storage Temperature Range -65 to +150
54157 Features
* Buffered inputs and outputs
* Typical propagation time 9 ns
* Typical power dissipation 150 mW
* Alternate Military/Aerospace device (54157) is available.
Contact a National Semiconductor Sales Office/
Distributor for specifications.
54157 Typical Application
* Expand any data input point
* Multiplex dual data buses
* Generate four functions of two variables (one variable
is common)
* Source programmable counters
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