General Description

The ASM1811 is a voltage supervisory device with a low-power, 5V µP Reset, active LOW, open-drain output. Maximum supply current over temperature is a low 20µA.

Key Features

• Low Supply Current

• 20 µA maximum (5.5 V)

• Automatically restarts a microprocessor after power failure

• 150ms reset delay after VCC returns to an in-tolerance condition

• Active LOW power-up reset

• Precision temperature-compensated voltage reference and comparator

• Eliminates external components

• Low cost TO-92 and compact surface mount SOT-23 packages

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

Applications

• Set-top boxes

• Cellular phones

• PDAs

• Energy management systems

• Embedded control systems

• Printers

• Single board computers