General Description

The MIC811 and MIC812 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems.

Features

•  Precision voltage monitor for 3V, 3.3V or 5V power sup plies

•  /RESET remains valid with VCC as low as 1V

•  5µA typical supply current

•  140ms minimum reset pulse width available

•  Manual reset input

•  Available in 4-pin SOT-143 package

Applications

•  Portable equipment

•  Intelligent instruments

•  Critical microprocessor power monitoring

•  Printers/computers

•  Embedded controllers