Hitachi HD74HC154
The HD74HC154 has 4 binary select inputs (A, B, C and D).DESCRIPTION
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
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● 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 L L L L L L L H L H D L L L L L L L L H H H H H H H H X X X C L L L L H H H H L L L L H H H H X X X B L L H H L L H H L L H H L L H H X X X A L H L H L H L H L H L H L H L H X X X Outputs 0 L H H H H H H H H H H H H H H H H H H 1 H L H H H H H H H H H H H H H H H H H 2 H H L H H H H H H H H H H H H H H H H 3 H H H L H H H H H H H H H H H H H H H 4 H H H H L H H H H H H H H H H H H H H 5 H H H H H L H H...