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LM80

Part Number	LM80
Manufacturer	National Semiconductor
Description	Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
Published	Mar 22, 2005
Detailed Description	LM80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor June 1999 LM80 Serial Interface ACPI-Comp...
Datasheet	LM80 PDF File

Overview

LM80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor June 1999 LM80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor General Description The LM80 provides 7 positive voltage inputs, temperature measurement, fan speed measurement, and hardware monitoring on an I2C™ interface.
The LM80 performs WATCHDOG™ comparisons of all measured values and an open-drain interrupt output becomes active when any values exceed programmed limits.
A Chassis Intrusion input is provided to monitor and reset an external circuit designed to latch a chassis intrusion event.
The LM80 is especially suited to interface to both linear and digital temperature sensors.
The 1...

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