M74HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) s .
ST Microelectronics
M74HC257 - QUAD 2 CHANNEL MULTIPLEXER
M74HC257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) s HIGH SPEED : tPD = 11 ns (TYP.) at VCC = 6V s LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C s.