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HD74HC138 - 3-to-8-line Decoder/Demultiplexer

Description

The HD74HC138 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.

Features

  • High Speed Operation: tpd (A, B, C to Y) = 16.5 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 10 LSTTL Loads.
  • Wide Operating Voltage: VCC = 2 V 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) HD74HC138P DILP-16 pin PRDP0016AE-B (DP-16FV) HD74HC138FPEL SOP-16 pin (JEITA) PRSP0016DH-B (FP-16DAV) HD74.

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Datasheet Details

Part number HD74HC138
Manufacturer Renesas
File Size 111.35 KB
Description 3-to-8-line Decoder/Demultiplexer
Datasheet download datasheet HD74HC138 Datasheet

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Full PDF Text Transcription

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HD74HC138 3-to-8-line Decoder/Demultiplexer with Address Latch REJ03D0570-0300 Rev.3.00 Mar 25, 2009 Description The HD74HC138 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. Features • High Speed Operation: tpd (A, B, C to Y) = 16.
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