EXTENDED_ON_TIME_TIMER

Published:2009/6/18 3:45:00 Author:May | From:SeekIC

Half of a Motorola MC14538B dual, precision, retriggerable monostable multivibrator is used to form an extended on-time timer circuit. That type of circuit can be used as a switch debouncer. Such circuits are often used in digital circuitry, where each and every bounce of a switch contact is seen as a separate digital input.The delay on tirne (established by C1 and R1) is easily set using the formula, C1xR1, =T, where C1 is in microfarads,R1, is in megohms, and T is in seconds.



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