STM804, STM690 Datasheet - ST Microelectronics

STM804, STM690, 3V Supervisor

9 1.

Features

* RST or RST outputs
* NVRAM supervisor for external LPSRAM
* Chip enable gating (STM795 only) for external LPSRAM (7 ns max prop delay)
* Manual (push-button) reset input
* 200 ms (typ) trec
* Watchdog timer - 1.6 s (typ)
* Automatic battery switchover
* Low battery

Applications

* information
* . . . 17 2.10 Using a SuperCap™ as a backup power source
* . . . . 19 2.11 Negative-going VCC transients
* . . . 19 3 Typical operating characte

STM690_STMicroelectronics.pdf