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HD74HC238 - 3-to-8-line Decoder/Demultiplexer

General Description

The HD74HC238 has 3 binary select inputs (A, B and C).

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 (G1, G2A and G2B) are provided to ease the cascading of decoders.

Key Features

  • High Speed Operation: tpd (Data to Y) = 15 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 10 LSTTL Loads.
  • Wide Operating Voltage: VCC = 2 to 6 V.
  • Low Input Current: 1 µA max.
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C).
  • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74HC238P DILP-16 pin PRDP0016AE-B (DP-16FV) P HD74HC238FPEL SOP-16 pin (JEITA) PRSP0016DH.

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Datasheet Details

Part number HD74HC238
Manufacturer Renesas
File Size 89.73 KB
Description 3-to-8-line Decoder/Demultiplexer
Datasheet download datasheet HD74HC238 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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HD74HC238 3-to-8-line Decoder/Demultiplexer REJ03D0593–0200 (Previous ADE-205-470) Rev.2.00 Jan 31, 2006 Description The HD74HC238 has 3 binary select inputs (A, B and C). 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 (G1, G2A and G2B) are provided to ease the cascading of decoders.