General Description

The ASM1232LP/LPS is a fully integrated microprocessor supervisor. It can halt and restart a “hung-up” microprocessor, restart a microprocessor after a power failure. It has a watchdog timer and external reset override.

Key Features

? 5V supply monitor

? Selectable watchdog period

? Debounce manual push-button reset input

? Precision temperature-compensated voltage reference and comparator.

? Power-up, power-down and brown out detection

? 250ms minimum reset time

? Active LOW open drain reset output and active HIGH push-pull output

? Selectable trip point tolerance: 5 or 10

? Low-cost surface mount packages: 8-pin/16-pin SO, 8-pin DIP and 8-pin Micro SO packages

? Wide operating temperature -40°C to +85°C (N suffixed devices)

Applications

? Microprocessor Systems

? Computers

? Controllers

? Portable Equipment

? Intelligent Instuments

? Automotive Systems