LM77

SNIS103F – JUNE 1999 – REVISED MARCH 2013

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The Critical Alarm Event activates the separate T_CRIT_A output. Typically, this would feed circuitry separate

from the processor on the assumption that if the system reached this temperature, the processor might not be

responding.

Note: Event Interrupt mode is drawn as if the user is reading the part. If the user doesn't read, the outputs would go

low and stay that way until the LM77 is read.

Figure 16. Temperature Response Diagram for ACPI Implementation

Typical Applications

Figure 17. Typical Application

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