Intel Pentium 4 Processor on 90 nm Process

66 Datasheet
Thermal Specifications and Design Considerations
5.1.2 Thermal Metrology
The maximum and minimum case temperatures (T
C
) are specified in Table 27. These temperature
specifications are meant to help ensure proper operation of the processor. Figure 13 illustrates
where Intel recommends T
C
thermal measurements should be made. For detailed guidelines on
temperature measurement methodology, refer to the Intel
®
Pentium
®
4 Processor on 90 nm
Process Thermal Design Guidelines.
Figure 12. Thermal Profile
y = 0.29x + 43.3
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
0 102030405060708090100
Power (W)
Tcase (C)
Figure 13. Case Temperature (T
C
) Measurement Location
31 mm x 31 mm IHS [1.22 x 1.22 in]
35 mm x 35 mm substrate [1.378 in x 1.378 in]
Measure T
C
at this point
(geometric center of IHS)
Measure fr om edge of pr ocessor IHS
15.5 mm
[0.61 in]
15.5 mm
[0.61 in]