Description
Click here for production status of specific part numbers.MAX691A/MAX693A/ MAX800L/MAX800M Microprocessor Supervisory Circuits General .
The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (μP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695.
Features
* include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and a RESET output that is valid with VCC down to 1V. The MAX691A/ MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800Ms’ reset threshold is 4.4V typical. The MAX800L/MAX800
Applications
* Computers
* Controllers
* Intelligent Instruments
* Critical μP Power Monitoring
Typical Operating Circuit
5V +8V REGULATOR
0.1µF
1N4148 0.47F
* 35 VCC BATT ON VOUT 2 1 VBATT
CE OUT 12
NO CONNECTION
CMOS RAM
MAX691A
9
PFI
MAX693A MAX800L
CE
IN
1