Description
19-0433; Rev 0; 9/95 Full-.
The MAX807 microprocessor (µP) supervisory circuit reduces the complexity and number of components needed to monitor power-supply and battery-control.
Features
* o Precision 4.675V (MAX807L) or 4.425V (MAX807M), or 4.575V (MAX807N) Voltage Monitoring o 200ms Power OK / Reset Time Delay o RESET and RESET Outputs o Independent Watchdog Timer o 1µA Standby Current o Power Switching: 250mA in VCC Mode 20mA in Battery-Backup Mode o On-Board Gating of Chip-Enable
Applications
* Computers Controllers Intelligent Instruments Critical µP Power Monitoring Portable/Battery-Powered Equipment
TOP VIEW
PFI 1 PFO 2 VCC 3 WDI 4 16 OUT 15 BATT OK 14 BATT
MAX807
13 BATT ON 12 CE IN 11 CE OUT 10 WDO 9 RESET
GND 5 MR LOW LINE RESET 6 7 8
DIP/SO
Ordering Information and Typical Ope