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MC74VHCT257A - Quad 2-Channel Multiplexer

Features

  • High Speed: tPD = 4.1 ns (Typ) at VCC = 5.0 V.
  • Low Power Dissipation: ICC = 4.0 mA (Max) at TA = 25°C.
  • TTL.
  • Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V.
  • Power Down Protection Provided on Inputs and Outputs.
  • Balanced Propagation Delays.
  • Designed for 2.0 V to 5.5 V Operating Range.
  • Low Noise: VOLP = 0.8 V (Max).
  • Pin and Function Compatible with Other Standard Logic Families.
  • Latchup Performance Exceeds 300 mA.

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Datasheet Details

Part number MC74VHCT257A
Manufacturer onsemi
File Size 209.56 KB
Description Quad 2-Channel Multiplexer
Datasheet download datasheet MC74VHCT257A 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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MC74VHCT257A Quad 2-Channel Multiplexer with 3-State Outputs The MC74VHCT257A is an advanced high speed CMOS quad 2−channel multiplexer fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. It consists of four 2−input digital multiplexers with common select (S) and enable (OE) inputs. When (OE) is held High, selection of data is inhibited and all the outputs go Low. The select decoding determines whether the A or B inputs get routed to the corresponding Y outputs. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3.3 V to 5.0 V because it has full 5.0 V CMOS level output swings.
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