M54HC157/158 M74HC157/158 HC157 QUAD 2 CHANNEL MUL.
ST Microelectronics
M74HC158 - HC158 QUAD 2-CHANNEL MULTIPLEXER
M54HC157/158 M74HC157/158 HC157 QUAD 2 CHANNEL MULTIPLEXER HC158 QUAD 2 CHANNEL MULTIPLEXER (INV.) . . . . . . . . HIGH SPEED tPD = 10 ns (TYP.) AT .
