AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 304

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

AMD-K6™-2E Processor Data Sheet
286
Figure 98 shows the thermal model of a processor with a passive
thermal solution. The ambient temperature (T
as long as T
(T
Where:
Figure 98. Thermal Model
Figure 99 illustrates the case-to-ambient temperature
(T
and the thermal resistance (Y-axis). If the power consumption
and case temperature are known, the thermal resistance (
requirement can be calculated for a given ambient temperature
(T
A
CA
CA
T
P
q
q
q
) value.
CA
IF
SA
CA
MAX
) can be calculated from the following equation:
=T
Temperature
(Ambient)
C
T
CA
= P
= P
= Maximum Power Consumption
= Case-to-Ambient Thermal Resistance
= Interface Material Thermal Resistance
= Sink-to-Ambient Thermal Resistance
– T
Preliminary Information
C
A
MAX
MAX
is not violated. The case-to-ambient temperature
) in relation to the power consumption (X-axis)
Thermal Design
• q
• ( q
Sink
Case
CA
IF
+ q
SA
)
A
22529B/0—January 2000
) is guaranteed
q
SA
Resistance
Thermal
(°C/W)
q
IF
Chapter 16
q
CA
q
CA
)