FEATURES
Selectable reset voltage tolerance — CAT1232LP for 5 V supply — CAT1832 for 3.3 V supply Selectable watchdog period: 150 ms, 600 ms or 1.2 s Two reset outputs — Active high, push-pull reset output — Active low, open-drain reset output (CAT1232LP) — Active low, push-pull reset output (CAT1832) Debounced manual push-button reset Compact SOIC and MSOP packages For Ordering Information details, see page 11. APPLICATIONS
Microprocessor Systems Portable Equipment Controllers Single Board Computers Instrumentations Telecommunications FUNCTIONAL DIAGRAM VCC TOL PBRST TD ST VCC 40kΩ Tolerance Selection Reference + – Push Button Debounce Watchdog Timebase Selection Watchdog Transition Detector DESCRIPTION
The CAT1232LP and CAT1832 microprocessor supervisors can halt and restart a “hung-up” or “stalled” microprocessor, restart a microprocessor after a power failure, and debounce a manual/pushbutton microprocessor reset switch. The devices are drop in replacements fo...
onsemi
