General Description

The ASM1817 voltage supervisory device with low-power, 3.3V/3.0V µP Reset, active HIGH, Push-Pull output. Maximum supply current over temperature is a low 15µA (at 3.6V).

Key Features

• Low Supply Current

• 20 µA maximum (5.5 V)

• 15 µA maximum (3.6 V)

• Automatically restarts a microprocessor after power failure

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

• Active HIGH power-up reset

• Precision temperature-compensated voltage reference and comparator

• Eliminates external components

• TO-92 and compact surface mount SOT-23 package

• Push-Pull output for minimum current drain

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

Applications

• Set-top boxes

• Cellular phones

• PDAs

• Energy management systems

• Embedded control systems

• Printers

• Single board computers