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ASM690A

Alliance Semiconductor
Part Number ASM690A
Manufacturer Alliance Semiconductor
Description (ASMxxxx) UP Power Supply Supervisor
Published Aug 5, 2008
Detailed Description October 2003 rev 1.0 ASM690A / 692A ASM802L / 802M ASM805L µP Power Supply Supervisor With Battery Backup Switch Applic...
Datasheet PDF File ASM690A PDF File

ASM690A
ASM690A

Overview
October 2003 rev 1.
0 ASM690A / 692A ASM802L / 802M ASM805L µP Power Supply Supervisor With Battery Backup Switch Applications • • • • • • • • Embedded control systems Portable/Battery operated systems Intelligent instruments Wireless instruments Wireless communication systems PDAs and hand-held equipments µP / µC power supply monitoring Safety system General Description The AS690A / AS692A / AS802L / AS802M / AS805L offers complete single chip solutions for power supply monitoring and control battery functions in microprocessor systems.
Each device implements four functions: Reset control, watchdog monitoring, battery-backup switching and power-failure monitoring.
In addition to microprocessor reset under power-up and power-down conditions, these devices provide batterybackup switching to maintain control in power loss and brownout situations.
Additional monitoring capabilities can provide an early warning of unregulated power supply loss before the voltage regulator drops out.
The i...


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