YB1921 Description
YB1921 3-Pin Microprocessor Reset Monitor Introduction The YB1921 is a cost-effective system supervisor Integrated Circuit (IC) designed to monitor VCC in digital and mixed signal systems and provide a warning signal when the system power supply is out of working range, and a reset signal to the host processor when necessary. No external ponents are required. The reset output is driven active within 20μsec of VCC...