HD74HC123A Dual Retriggerable Monostable Multivibrators (with Clear) Description This multivibrator features both a negative, A, and a positive, B, transition triggered input, either of which can be used as an inhibit input.
Also included is a clear input that when taken low resets the one shot.
The HD74HC123A can be triggered on the positive transition of the clear while A is held low and B is held high.
The HD74HC123A is retriggerable.
That is it may be triggered repeatedly while their outputs are generating a pulse and the pulse will be extended.
Pulse width stability over a wide range of temperature.
The output pulse equation is simply: t w = (Rext) (Cext).
Features • • • • • High Spee...

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