MAX691A
MAX691A is Microprocessor Supervisory Circuits manufactured by Maxim Integrated.
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MAX691A/MAX693A/ MAX800L/MAX800M
Microprocessor Supervisory Circuits
General Description
The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (μP) supervisory circuits are pin-patible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30μA supply current, 200ms typ reset active delay on power-up, and 6ns chip-enable propagation delay. 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...
