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FST3257 - Quad 2:1 Multiplexer / Demultiplexer Bus Switch

Description

The Fairchild Switch FST3257 is a quad 2:1 high-speed CMOS TTL-compatible multiplexer / demultiplexer bus switch.

The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.

Features

  • 4Ω Switch Connection Between Two Ports.
  • Minimal Propagation Delay Through the Switch.
  • Low ICC.
  • Zero Bounce in Flow-Through Node.
  • Control Inputs Compatible with TTL Level.

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Full PDF Text Transcription

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FST3257 — Quad 2:1 Multiplexer / Demultiplexer Bus Switch May 2009 FST3257 Quad 2:1 Multiplexer / Demultiplexer Bus Switch Features ƒ 4Ω Switch Connection Between Two Ports ƒ Minimal Propagation Delay Through the Switch ƒ Low ICC ƒ Zero Bounce in Flow-Through Node ƒ Control Inputs Compatible with TTL Level Description The Fairchild Switch FST3257 is a quad 2:1 high-speed CMOS TTL-compatible multiplexer / demultiplexer bus switch. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. When /OE is LOW, the select pin connects the A port to the selected B port output. When /OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports.
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