ADM691A Description
POWER FAIL INPUT (PFI) 1.25V The ADM691A/ADM693A/ADM800L/ADM800M family of supervisory circuits offers plete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup-battery switchover, watchdog timer, CMOS RAM write protection, and power-failure warning. The family of products provides an upgrade for the MAX691A/93A/800M...