參數(shù)資料
型號(hào)： RK80530KZ017512
英文描述： MICROPROCESSOR|32-BIT|CMOS|PGA|370PIN|CERAMIC
中文描述： 微處理器| 32位|的CMOS |美巡賽| 370PIN |陶瓷
文件頁數(shù)： 53/86頁
文件大?。?/td> 882K
代理商： RK80530KZ017512
Datasheet
53
Intel
Pentium
III Processor with 512KB L2 Cache at 1.13GHz to 1.40GHz
4.1.2
Thermal Diode
The Intel Pentium
III
processor with 512KB L2 Cache incorporates an on-die diode that may be
used to monitor the die temperature (junction temperature). A thermal sensor located on the
motherboard, or a stand-alone measurement kit, may monitor the die temperature of the processor
for thermal management or instrumentation purposes.
Table 31
and
Table 32
provide the diode
parameter and interface specifications.
The Intel Pentium
III
processor with 512KB L2 Cache uses an Integrated Heat Spreader (IHS)
and has a case temperature requirement. Please see the
Intel Pentium
III
Processors in the FC-
PGA2 Package Thermal Design Guide
document for details on measuring the case temperature.
The thermal diode should be used for system thermal management and not determining spec
compliance.
NOTES:
1. Intel does not support or recommend operation of the thermal diode under reverse bias.
2. Characterized at 75
°
C with a forward bias current of 5 - 150
μ
A.
3. Characterized at 75
°
C with a forward bias current of 5 - 300
μ
A.
4. The ideality factor, n, represents the deviation from ideal diode behavior as exemplified by the diode
equation:
I
=Is(e^ ((Vd*q)/(nkT)) - 1), where Is = saturation current, q = electronic charge, Vd = voltage across the
diode, k = Boltzmann Constant, and T = absolute temperature (Kelvin).
5. Not 100% tested. Specified by design characterization.
4.2
Thermal Metrology
The thermal metrology for the Intel Pentium
III
processor in the FC-PGA2 package should be
followed to evaluate the thermal performance of proposed cooling solutions. The thermal
metrology is contained in the
Intel Pentium
III
Processors in the FC-PGA2 Package Thermal
Design Guide.
Table 31. Thermal Diode Parameters
1
Symbol
Parameter
Min
Typ
Max
Unit
Notes
I
fw
Forward Bias Current
5
N/A
150
μA
1
n
Diode Ideality Factor
1.001452
1.007152
1.012852
2, 4, 5
I
fw
Forward Bias Current
5
N/A
300
μA
1
n
Diode Ideality Factor
1.000807
1.009528
1.018249
3, 4, 5
Table 32. Thermal Diode Interface
Pin Name
PGA370 Socket pin #
Pin Description
THERMDP
AL31
diode anode (p_junction)
THERMDN
AL29
diode cathode (n_junction)
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