80960-40, -33, -25
Figure 5. Measuring 80960CF PGA and PQFP Case Temperature
Measure PGA temperature at
center of top surface
Measure PQFP case temperature
at center of top surface.
168 - Pin PGA
Pin 196
Pin 1
Table 10. Maximum TA at Various Airflows in oC (PGA Package Only)
Airflow-ft/min (m/sec)
fPCLK
0
200
400
600
800
1000
(MHz)
(0)
(1.01)
(2.03)
(3.04)
(4.06)
(5.07)
40
20
40
58
60
66
68
33
38
57
74
76
81
84
TA with Heatsink (†)
25
50
65
79
81
85
87
16
63
74
84
86
89
90
40
0
15
30
40
50
52
33
18
33
47
57
66
67
TA without Heatsink (†)
25
34
46
57
65
72
74
16
51
60
68
74
80
81
† 0.285” high unidirectional heatsink (AI alloy 6061, 50 mil fin width, 150 mil center-to-center fin spacing).
Datasheet
23