Published:2011/7/29 1:47:00 Author:Lucas | Keyword: 74 Series , digital circuit, four JK flip-flop | From:SeekIC
It has the negative edge trigger with lag effect, and the clock is independent, then the hysteresis is typically 200mv; typical clock input frequency is 50MHz; it has buffer output.Unsteady state. When the preset and clear goes high at the same time, the state will not be maintained.
Q0 = the output level of Q before establishing the steady-state input conditions.
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