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HD74HC108

Dual J-K Flip-Flops (with Preset, Common Clear and Common Clock)

Hitachi -> Renesas Electronics 

HD74HC108

Dual J-K Flip-Flops (with Preset, Common Clear and Common

Clock)

Description

This flip-flop is edge sensitive to the clock input and change state on the negative transition of the clock

pulse. Each flip-flop has independent J, K, and preset inputs and Q and Q outputs. Two flip-flops are

controlled by a common clear and a common clock. Preset and clear are independent of the clock and

accomplished by a low logic level on the corresponding input.

Features

• High Speed Operation: tpd (Clock to Q) = 20 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) = 2 µA max (Ta = 25°C)

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