General Description

The ASM1233A is a voltage supervisor with low-power, 3.3V µP Reset, with an active LOW, open-drain output. Maximum supply current over temperature is a low 15µA.

Key Features

• Low Supply Current

•15µA maximum (3.6 V)

• Automatically restarts a microprocessor after power failure

• 350ms reset delay after VCC returns to an in-tolerance condition

• Active LOW power-up reset, 5kΩ internal pull-up

• Precision temperature-compensated voltage reference and comparator

• Eliminates external components

• Low-cost SOT-223 package

• Operating temperature -40°C to +85°C

Applications

• Set-top boxes

• Cellular phones

• PDAs

• Energy management systems

• Embedded control systems

• Printers

• Single board computers