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HD74HC238 Datasheet PDF

Hitachi HD74HC238

The HD74HC238 has 3 binary select inputs (A, B and C).
Part No. HD74HC238
Datasheet HD74HC238 Download
Manufacturer
Hitachi
Description 3-to-8-line Decoder/Demultiplexer
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HD74HC238 datasheet page 1 preview

DESCRIPTION

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

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● 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) Function Table Inputs Enable G1 X X L H H H H H H H H 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 Outputs Y0 L L L H L L L L L L L Y1 L L L L H L L L L L L Y2 L L L L L H L L L L L Y3 L L L L L L H L L L L Y4 L L L L L L L H L L L Y5 L L L L L L L L H L L Y6 L L L L L L L L L H L Y7 L L L L L L L L L L H HD74HC238 Pin Arrangement A Select Inputs B C G2A Enable Inputs G2B G1 Output Y7 GND 1 2 3 4 5 6 7 8 B C G2A G2B G1 Y7...
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