MM74HC4538 - Dual Retriggerable Monostable Multivibrator
MM74HC4538 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 MM74HC4538 is retriggerable. That is, it may be triggered repeatedly while their outputs are generating a pu