STM819, STM690 Datasheet - STMicroelectronics

STM819, STM690, 5V supervisor

STM690A, STM692A, STM703 STM704, STM802, STM805, STM817/8/9 5 V supervisor with battery switchover .

STM690_STMicroelectronics.pdf

STM819 Datasheet Preview — This datasheet PDF includes multiple part numbers: STM819, STM690. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

STM819, STM690

Manufacturer:

STMicroelectronics ↗

File Size:

945.84 KB

Description:

5V supervisor

Note:

This datasheet PDF includes multiple part numbers: STM819, STM690.
Please refer to the document for exact specifications by model.

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

Applications

* information
* . . . 16 2.10 Using a SuperCap™ as a backup power source
* . . . . 17 2.11 Negative-going VCC transients
* . . . 18 2.12 Battery freshness seal (S

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