HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE

DESCRIPTION The M54/74HC257 and the M54/74HC258 are high speed CMOS MULTIPLEXERs fabricated with silicon gate C2MOS technology. They have the same high speed performance ofLSTTL combined with true CMOS low power consumption. ■ HIGH SPEED tPD = 10 ns (TYP.) at VCC = 5 V ■ LOW POWER DISSIPATION

QUAD 2 CHANNEL MULTIPLEXER (3-STATE)

DESCRIPTION The M74HC257 is an high speed CMOS QUAD 2 CHANNEL MULTIPLEXER (3-STATE) fabricated with silicon gate C2MOS technology. ■ HIGH SPEED : tPD = 11 ns (TYP.) at VCC = 6V ■ LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C ■ HIGH NOISE IMMUNITY: VNIH = VNIL = 28 VCC (MIN.) ■ SYMMETRICAL