參數(shù)資料
型號(hào)： SDC2200DUT3D
廠商： ADVANCED MICRO DEVICES INC
元件分類： 微控制器/微處理器
英文描述： 1500 MHz, MICROPROCESSOR, CPGA453
封裝： OPGA-453
文件頁數(shù)： 45/102頁
文件大?。?/td> 3049K
代理商： SDC2200DUT3D
Chapter 7
Electrical Data
35
31994A—1August 2004
AMD Sempron Processor Model 10 with 256K L2 Cache Data Sheet
7.12
Thermal Diode Characteristics
The AMD Sempron processor model 10 provides a diode that
can be used in conjunction with an external temperature sensor
to determine the die temperature of the processor. The diode
anode (THERMDA) and cathode (THERMDC) are available as
pins on the processor, as described in “THERMDA and
For information about thermal design for the AMD Sempron
pr ocessor model 10, i n clud in g lay o ut an d airf lo w
considerations, see the AMD Processor Thermal, Mechanical, and
Chassis Cooling Design Guide, order# 23794, and the cooling
guidelines on http://www.amd.com.
Thermal Diode
Electrical
Characteristics
Table 13 shows the AMD Sempron processor model 10
characteristics of the on-die thermal diode. For information
a b out calculations fo r t h e ideal di ode equat i on a n d
temperature offset correction, see Appendix A, "Thermal
Diode Calculations," on page 77.
Table 13. Thermal Diode Electrical Characteristics
Symbol
Parameter
Description
Min
Nom
Max
Units
Notes
I
Sourcing current
5300
A
1
nf, lumped
Lumped ideality
factor
1.00000
1.00374
1.00900
2, 3, 4
nf, actual Actual ideality factor
1.00261
3, 4
RT
Series Resistance
0.93
3, 4
Notes:
1. The sourcing current should always be used in forward bias only.
2. Characterized at 95°C with a forward bias current pair of 10
A and 100 A. AMD
recommends using a minimum of two sourcing currents to accurately measure the
temperature of the thermal diode.
3. Not 100% tested. Specified by design and limited characterization.
4. The lumped ideality factor adds the effect of the series resistance term to the actual ideality
factor. The series resistance term indicates the resistance from the pins of the processor to the
on-die thermal diode. The value of the lumped ideality factor depends on the sourcing current
pair used.
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