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TC74AC257F Datasheet 2-Channel Multiplexer

Manufacturer: Toshiba

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Overview

TC74AC257,258P/F TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74AC257P, TC74AC257F TC74AC258P, TC74AC258F TC74AC257P/F TC74AC258P/F 2-Channel Multiplexer (3-state) 2-Channel Multiplexer (3-state,inverting) TC74AC257P, TC74AC258P The TC74AC257 and TC74AC258 are advanced high speed CMOS MULTIPLEXERs fabricated with silicon gate and double-layer metal wiring C2MOS technology.

They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation.

Each is composed of four independent 2-channel multiplexers with common SELECT and OUTPUT ENABLE ( OE ).

Key Features

  • High speed: tpd = 3.6 ns (typ. ) at VCC = 5 V.
  • Low power dissipation: ICC = 8 μA (max) at Ta = 25°C.
  • High noise immunity: VNIH = VNIL = 28% VCC (min).
  • Symmetrical output impedance: |IOH| = IOL = 24 mA (min) Capability of driving 50 Ω transmission lines.
  • Balanced propagation delays: tpLH ∼.
  • tpHL.
  • Wide operating voltage range: VCC (opr) = 2 to 5.5 V.
  • Pin and function compatible with 74F257/258 TC74AC257F, TC74AC258F Weight D.

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