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MAX691A Microprocessor Supervisory Circuits

MAX691A 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.

MAX691A 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

MAX691A 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

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Microprocessor Supervisory Circuits Maxim
Maxim MAX691A-like datasheet