HD74HC125/HD74HC126 Quad.
Bus Buffer Gates (with 3-state outputs) Description The HD74HC125, HD74HC126 require the 3-state control input C to be taken high to put the output into the high impedance condition, whereas the HD74HC125, HD74HC126 requires the control input to be low to put the output into high impedance.
Features • • • • • High Speed Operation: tpd = 8 ns typ (CL = 50 pF) High Output Current: Fanout of 15 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 C HC125 H L L X : Z : HC126 L H H A X L H Output Y HC125 Z L H HC126 Z L H Irrelevent Off (high-impedance) s...

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