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M74HC257 - QUAD 2 CHANNEL MULTIPLEXER

General Description

sThe M74HC257 is an high speed CMOS QUAD 2 bCHANNEL MULTIPLEXER (3-STATE) fabricated Owith silicon gate C2MOS technology.

(OE) input.

cThe M74HC257 is a non-inverting multiplexer.

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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 HIGH NOISE IMMUNITY: )VNIH = VNIL = 28 % VCC (MIN.) t(ss SYMMETRICAL OUTPUT IMPEDANCE: c|IOH| = IOL = 6mA (MIN) us BALANCED PROPAGATION DELAYS: dtPLH ≅ tPHL ros WIDE OPERATING VOLTAGE RANGE: PVCC (OPR) = 2V to 6V s PIN AND FUNCTION COMPATIBLE WITH te74 SERIES 257 oleDESCRIPTION sThe M74HC257 is an high speed CMOS QUAD 2 bCHANNEL MULTIPLEXER (3-STATE) fabricated Owith silicon gate C2MOS technology. -This IC is composed of an independent 2-channel t(s)multiplexer with common SELECT and ENABLE (OE) input. cThe M74HC257 is a non-inverting multiplexer.