LE3100MICH S L8YC Intel, LE3100MICH S L8YC Datasheet - Page 83
LE3100MICH S L8YC
Manufacturer Part Number
LE3100MICH S L8YC
Description
Manufacturer
Intel
Datasheet
1.LE3100MICH_S_L8YC.pdf
(106 pages)
Specifications of LE3100MICH S L8YC
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Thermal Specifications and Design Considerations
5.1.2
Figure 5-3.
5.2
5.2.1
Datasheet
Thermal Metrology
The maximum and minimum case temperatures (T
Table
the processor.
measurements should be made. For detailed guidelines on temperature measurement
methodology, refer to the appropiate Thermal and Mechanical Design Guidelines
Section 1.2
Case Temperature (T
Processor Thermal Features
Thermal Monitor
The Thermal Monitor feature helps control the processor temperature by activating the
thermal control circuit (TCC) when the processor silicon reaches its maximum operating
temperature. The TCC reduces processor power consumption by modulating (starting
and stopping) the internal processor core clocks. The Thermal Monitor feature must
be enabled for the processor to be operating within specifications. The
temperature at which Thermal Monitor activates the thermal control circuit is not user
configurable and is not software visible. Bus traffic is snooped in the normal manner,
and interrupt requests are latched (and serviced during the time that the clocks are on)
while the TCC is active.
When the Thermal Monitor feature is enabled, and a high temperature situation exists
(i.e., TCC is active), the clocks will be modulated by alternately turning the clocks off
and on at a duty cycle specific to the processor (typically 30-50%). Clocks often will not
be off for more than 3.0 microseconds when the TCC is active. Cycle times are
processor speed dependent and will decrease as processor core frequencies increase. A
small amount of hysteresis has been included to prevent rapid active/inactive
transitions of the TCC when the processor temperature is near its maximum operating
temperature. Once the temperature has dropped below the maximum operating
temperature, and the hysteresis timer has expired, the TCC goes inactive and clock
modulation ceases.
5-1. This temperature specification is meant to help ensure proper operation of
)
.
Figure 5-3
37.5 mm
37.5 mm
C
) Measurement Location
illustrates where Intel recommends T
(geometric center of the package)
(geometric center of the package)
Measure T
Measure T
C
) for the processor is specified in
C
C
at this point
at this point
C
thermal
(see
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