Product Summary
The STM690TM6F is a 3V supervisor with battery switchover. A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition. When an invalid VCC condition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer as well as a power-fail comparator to provide the system with an early warning of impending power failure.
Parametrics
STM690TM6F absolute maximum ratings: (1)storage temperature: -55 to 150℃; (2)lead solder temperature: 260℃; (3)input or output voltage: -0.3 to VCC+0.3V; (4)supply voltage: -0.3 to 6V; (5)output current: 20mA; (6)power dissipation: 320mW.
Features
STM690TM6F features: (1)Manual (push-button) reset input; (2)200 ms (typ) trec; (3)Watchdog timer -1.6 s (typ); (4)Automatic battery switchover; (5)Low battery supply current -0.4 μA (typ); (6)NVRAM supervisor for external LPSRAM; (7)Chip enable gating (STM795 only) for external LPSRAM (7 ns max prop delay); (8)Operating temperature: -40 to 85 ℃(industrial grade); (9)RoHS compliance.
Diagrams
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