DM74157 Datasheet | Fairchild Semiconductor

DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer August 1986 Revised February 2000 DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexer 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. Applications - Expand any data input point - Multiplex dual data buses - Generate four functions of two variables (one variable is mon) - Source programmable counters Features s Buffered inputs and outputs s Typical propagation time 9 ns s Typical power dissipation 150 m W Ordering Code: Order Number DM74157N Package Number N16E Package Description 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Connection Diagram Logic Diagram Function Table Inputs Strobe H L L L L Select X L L H H A X L H X X B X X X L H Output Y L L H L H H = HIGH Level, L = LOW Level, X = Don’t Care © 2000 Fairchild Semiconductor Corporation DS006550 .fairchildsemi....