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IDTQS3257 - HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX

General Description

The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer.

The QS3257 is a function and pinout compatible QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers.

Key Features

  • Enhanced N channel FET with no inherent diode to Vcc.
  • 5Ω bidirectional switches connect inputs to outputs.
  • Pin compatible with the 74F257, 74FCT257, and 74FCT257T.
  • Zero propagation delay, zero ground bounce.
  • Undershoot clamp diodes on all switch and control inputs.
  • TTL-compatible control inputs.
  • Available in QSOP and S1 packages.

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Datasheet Details

Part number IDTQS3257
Manufacturer Renesas
File Size 350.56 KB
Description HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
Datasheet download datasheet IDTQS3257 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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IDTQS3257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX INDUSTRIAL TEMPERATURE RANGE IDTQS3257 FEATURES: • Enhanced N channel FET with no inherent diode to Vcc • 5Ω bidirectional switches connect inputs to outputs • Pin compatible with the 74F257, 74FCT257, and 74FCT257T • Zero propagation delay, zero ground bounce • Undershoot clamp diodes on all switch and control inputs • TTL-compatible control inputs • Available in QSOP and S1 packages DESCRIPTION: The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer. The QS3257 is a function and pinout compatible QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers.