3 V supervisor with battery switchover

文件：960.58 Kbytes 页数：42 Pages

STMICROELECTRONICS

意法半导体

3 V supervisor with battery switchover

文件：960.58 Kbytes 页数：42 Pages

STMICROELECTRONICS

意法半导体

3V Supervisor with Battery Switchover

文件：657.19 Kbytes 页数：32 Pages

STMICROELECTRONICS

意法半导体

3 V supervisor with battery switchover

文件：960.58 Kbytes 页数：42 Pages

STMICROELECTRONICS

意法半导体

3V Supervisor with Battery Switchover

文件：657.19 Kbytes 页数：32 Pages

STMICROELECTRONICS

意法半导体

3V Supervisor with Battery Switchover

文件：657.19 Kbytes 页数：32 Pages

STMICROELECTRONICS

意法半导体

3 V supervisor with battery switchover

文件：960.58 Kbytes 页数：42 Pages

STMICROELECTRONICS

意法半导体

Quintuple, ultralow voltage supervisor with push-button reset

The STM6905 supervisor is a low voltage/low supply current processor supervisor, designed to monitor up to five system power supply voltages. This device is targeted at applications such as set-top boxes (STBs), portable, battery-powered systems, networking and communication systems.\n The devi • Quintuple voltage monitoring\n• Accurate ±1.8 % across temperature voltage threshold (±1 % at 25 °C)\n• Primary supply (VCC) monitor. Fixed (factory -programmed) reset thresholds: 3.078 V to 2.866 V\n• Second fixed (V2IN) monitor. Fixed (factory-programmed) reset thresholds: 2.333 V to 1.0;

ST

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5V监控器

The STM690A/692A/703/704/802/805/817/818/819 supervisors are self-contained devices which provide microprocessor supervisory functions with the ability to non-volatize and write-protect external LPSRAM. A precision voltage reference and comparator monitors the VCCinput for an out-of-tolerance condit • 5 V operating voltage \n• NVRAM supervisor for external LPSRAM \n• Chip-enable gating (STM818 only) for external LPSRAM (7 ns max prop delay) \n• RST andRSToutputs \n• 200 ms (typ) trec \n• Watchdog timer - 1.6 sec (typ) \n• Automatic battery switchover• Low battery supply current - 0.4 μA (typ) \;

ST

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监控电路 2.625V w/Batt Switch

ST

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