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HD74LVC138 - 3-to-8-line Decoder / Demultiplexer

Datasheet Summary

Description

The HD74LVC138 has three binary select inputs in a 16 pin package.

If the device is enabled these inputs determine which one of the eight normally high outputs will go low.

Two active low and one active high enables are provided to ease the cascading of decoders.

Features

  • VCC = 2.0 V to 5.5 V All inputs VIH (Max. ) = 5.5 V (@VCC = 0 V to 5.5 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) High output current ±24 mA (@VCC = 3.0 V to 5.5 V) HD74LVC138 Function Table Inputs Enable G1 X X L H H H H H H H H H: L: X: G2A X H X L L L L L L L L G2B H X X L L L L L L L L Select C X X X L L L L H H H H B X X X L L H H L L H H A X X X L H L H L H L H Y0.

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Datasheet Details

Part number HD74LVC138
Manufacturer Hitachi Semiconductor
File Size 37.83 KB
Description 3-to-8-line Decoder / Demultiplexer
Datasheet download datasheet HD74LVC138 Datasheet
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HD74LVC138 3-to-8-line Decoder / Demultiplexer ADE-205-068B(Z) Rev.2 September 1995 Description The HD74LVC138 has three binary select inputs in a 16 pin package. If the device is enabled these inputs determine which one of the eight normally high outputs will go low. Two active low and one active high enables are provided to ease the cascading of decoders. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. Features • • • • • VCC = 2.0 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) High output current ±24 mA (@VCC = 3.
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