FM812 Datasheet (PDF) Download
Fairchild Semiconductor
FM812

Description

The FM811/FM812 is a low cost microprocessor supervisory circuit that asserts a reset if the power supply drops below a designated threshold or the manual reset pin is forced low.

Key Features

  • Precision Voltage Monitor for 3V, 3.3V or 5V Power Supplies
  • 6µA Supply Current
  • 140ms Minimum Reset Pulse Width
  • RESET Remains Valid with VCC as Low as 1.4V
  • Active Low Manual Reset Input
  • 4-Pin SOT-143 Package

Applications

  • Critical Microprocessor Power Monitoring Portable Equipment Intelligent Instruments puters & Printers Controllers