MAX691 Datasheet - Maxim

MAX691 Microprocessor Supervisory Circuits

The MAX690 family of supervisory circuits reduces the complexity and number of components required for power supply monitoring and battery control functions in microprocessor systems. These include µP reset and backup-battery switchover, watchdog timer, CMOS RAM write protection, and power-failure w.

MAX691 Features

* Supervisory Function Integration Saves Board Space while Fully Protecting Microprocessor-Based Systems

* Precision Voltage Monitor

* 4.65V (MAX690, MAX691, MAX694, MAX695)

* 4.40V (MAX692, MAX693)

* Power OK/Reset Time Delay

* 50ms, 200ms, or Adju

MAX691_MaximIntegratedProducts.pdf