DM54LS157 Datasheet (National Semiconductor) - Quad 2-Line to 1-Line Data Selectors/Multiplexers

DM54LS157, Quad 2-Line to 1-Line Data Selectors/Multiplexers

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 The LS157 presents true data whereas the LS158 present

DM54LS157 Features

* Y Y Y Applications Y Y Y Y Y Expand any data input point Multiplex dual data buses Generate four functions of two variables (one variable is common) Source programmable counters Buffered inputs and outputs Typical Propagation Time LS157 9 ns LS158 7 ns Typical Power Dissipation LS157 49 mW LS1