datasheets 74157 free download

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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