HD74HC138 Datasheet

The HD74HC138 is a 3-to-8-line Decoder/Demultiplexer.

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Part NumberHD74HC138
ManufacturerHitachi Semiconductor
Overview 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 enab.
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* 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) Function Table Inputs Enable G1 X X L H .
Part NumberHD74HC138
Description3-to-8-line Decoder/Demultiplexer
ManufacturerRenesas
Overview 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 enab.
* 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 Packa.