MAX791 Datasheet (Maxim) - Microprocessor Supervisory Circuit

MAX791, Microprocessor Supervisory Circuit

The MAX791 microprocessor (µP) supervisory circuit reduces the complexity and number of components needed to monitor power-supply and battery-control functions in µP systems.

The 50µA supply current makes the MAX791 ideal for use in portable equipment, while the 6ns chip-enable propagation delay and

MAX791 Features

* o o o o o Precision 4.65V Voltage Monitoring 200ms Power-OK / Reset Time Delay Independent Watchdog Timer

* Preset or Adjustable 1µA Standby Current Power Switching 250mA Output in VCC Mode 25mA Output in Battery-Backup Mode On-Board Gating of Chip-Enable Signals Memory Write-Cycle Completion