Text preview for : 74157.pdf part of datasheets 74157 . Electronic Components Datasheets Various datasheets 74157.pdf
Back to : 74157.pdf | Home
54157 DM54157 DM74157 Quad 2-Line to 1-Line Data Selectors Multiplexers
June 1989
54157 DM54157 DM74157
Quad 2-Line to 1-Line Data Selectors Multiplexers
General Description Features
These data selectors multiplexers contain inverters and Y Buffered inputs and outputs
drivers to supply full on-chip data selection to the four out- Y Typical propagation time 9 ns
put gates A separate strobe input is provided A 4-bit word Y Typical power dissipation 150 mW
is selected from one of two sources and is routed to the four Y Alternate Military Aerospace device (54157) is avail-
outputs 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