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