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HD74HCT138

Part Number	HD74HCT138
Manufacturer	Hitachi Semiconductor
Description	3-to-8-line Decoder/Demultiplexer
Published	Mar 23, 2005
Detailed Description	HD74HCT138 3-to-8-line Decoder/Demultiplexer Description The HD74HCT138 has 3 binary select inputs (A, B, and C). If th...
Datasheet	HD74HCT138 PDF File

Overview

HD74HCT138 3-to-8-line Decoder/Demultiplexer Description The HD74HCT138 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 • • • • • • LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (A, B, C to Y) = 18.
5 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 4.
5 to 5.
5 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) HD74HCT138 Function ...

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