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TC74HC257AP

Toshiba
Part Number TC74HC257AP
Manufacturer Toshiba
Description Quad 2-Channel Multiplexer
Published Nov 14, 2015
Detailed Description TC74HC257AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC257AP, TC74HC257AF Quad 2-Channel Multip...
Datasheet PDF File TC74HC257AP PDF File

TC74HC257AP
TC74HC257AP

Overview
TC74HC257AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC257AP, TC74HC257AF Quad 2-Channel Multiplexer (3-state) The TC74HC257A is high speed CMOS MULTIPLEXER fabricated with silicon gate C2MOS technology.
It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
It is composed of four independent 2-channel multiplexers with common SELECT and OUTPUT ENABLE ( OE ).
If OE is set low, the outputs are held in a high-impedance state.
When SELECT is set low, “A” data inputs are enabled.
Conversely, when SELECT is high, “B” data inputs are enabled.
All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Features • High speed: tpd = 10 ns (typ.
) at VCC = 5 V • Low power dissipation: ICC = 4 μA (max) at Ta = 25°C • High noise immunity: VNIH = VNIL = 28% VCC (min) • Output drive capability: 15 LSTTL loads • Symmetrical output impedance: |IOH| = IOL =...


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