LTC695-3.3 Datasheet (Linear Technology) - 3.3V Microprocessor Supervisory Circuits

LTC695-3.3, 3.3V Microprocessor Supervisory Circuits

The LTC®694-3.3/LTC695-3.3 provide complete 3.3V power supply monitoring and battery control functions.

These include power-on reset, battery back-up, RAM write protection, power failure warning and watchdog timing.

The devices are pin compatible upgrades of the LTC694/LTC695 that are optimized for

LTC695-3.3 Features

* n Guaranteed Reset Assertion at VCC = 1V n Pin Compatible with LTC694/LTC695 for 3.3V Systems n 200μA Typical Supply Current n Fast (30ns Typ) Onboard Gating of RAM Chip Enable Signals n SO-8 and S16 Packages n 2.90V Precision Voltage Monitor n Power OK/Reset Time Delay: 200ms or Adjustable n Minimu