HD74HC154 4-to-16-line Decoder/Demultiplexer Description The HD74HC154 has 4 binary select inputs (A, B, C and D).
IF the device is enabled these inputs determine which one of the 16 normally high outputs will go low.
Two active low enables (G 1 and G 2) are provided to ease cascading of decoders with little or no external logic.
Features • • • • • High Speed Operation: tpd (A, B, C, D to Y) = 19 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) HD74HC154 Function Table Inputs G1 L L L L L L L L L L L L L L L L L H H X : G2 L L L L L L L L L ...

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