Motorola

Description

The maximum allowable values of Rx and Cx are a function of the leakage of capacitor Cx, the leakage of the HC4538A , and leakage due to board layout and surface resistance. For most applications, Cx/Rx should be limited to a maximum value of 10 F/1.0 M . Values of Cx > 1.0 F may cause a problem during power 1. Publication Order Number: AN1558/D. AN1558/D. Characterization of. Retrigger Time in the. HC4538A Dual Precision. Monostable Multivibrator. Prepared by: Douglas M. Buzard, Rodolfo E. Soto. Introduction. The MC74HC4538A is a monostable multivibrator commonly used as a one shot, or in applications that require. Mar 17, 2017 description/ordering information. The CD74HC4538 is a dual retriggerable/ resettable precision monostable multivibrator for fixed-voltage timing applications . An external resistor (RX) and external capacitor (CX) control the timing and accuracy for the circuit. Adjustment of RX and CX provides a wide.