STM819

5V supervisor

STMicroelectronics

STM819 Features

* 5 V operating voltage

* NVRAM supervisor for external LPSRAM

* Chip-enable gating (STM818 only) for external LPSRAM (7 ns max prop delay)

* RST and RST outputs

* 200 ms (typ) trec

* Watchdog timer - 1.6 sec (typ)

* Automatic battery switchover

* Low battery supply c

STM819 General Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.1.7 1.1.8 1.1.9 1.1.10 MR . . . . . . . . . . .

STM819 Datasheet (945.84 KB)