STM690A
STM690A is 5V supervisor manufactured by STMicroelectronics.
STM690A, STM692A, STM703 STM704, STM802, STM805, STM817/8/9
5 V supervisor with battery switchover
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 current
- 0.4 µA (typ)
- Power-fail parator (PFI/PFO)
- Low supply current
- 40 µA (typ)
- Guaranteed RST (RST) assertion down to
VCC = 1.0 V
- Operating temperature:
- 40 °C to +85 °C (industrial grade)
- RoHS pliance
- Lead-free ponents are pliant with the RoHS directive
8 1
SO8 (M)
TSSOP8 3 x 3 (DS)(1)
1....
