LTC694-3.3 Datasheet PDF | Linear Technology

Linear Technology LTC694-3.3

the LTC694/LTC695 that are optimized for 3.3V systems. The RESET output is guaranteed to remain logic low with VCC as low as 1V. The LTC694-3.3/LTC695-3.3 power the active RAMs with a charge pumped NMOS power switch to achieve low dropout and low supply current.

Part No.	LTC694-3.3
Datasheet	LTC694-3.3 Download
Manufacturer	Linear Technology
Description	3.3V Microprocessor Supervisory Circuits
Buy	Stock & Price

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 Minimum External Component Count n 1μA Maximum Standby Current n Voltage Monitor for Power-Fail or Low-Battery Warning n Thermal Limiting n Performance Specified Over Temperature

APPLICATIONS

n 3.3V Low Power Systems n Critical μP Power Monitoring n Intelligent Instruments n Battery-Powered Computers and Controllers n Automotive Systems L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

DESCRIPTION

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.