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80960 Fiches technique(PDF) 36 Page - Intel Corporation |
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80960 Fiches technique(HTML) 36 Page - Intel Corporation |
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36 / 77 page ![]() 80960JA/JF/JD/JT 3.3 V Microprocessor 36 Advance Information Datasheet Table 14. 132-Lead PQFP Package Thermal Characteristics Thermal Resistance — °C/Watt Parameter Airflow — ft./min (m/sec) 0 (0) 50 (0.25) 100 (0.50) 200 (1.01) 400 (2.03) 600 (3.04) 800 (4.06) θ JC (Junction-to-Case) 4.1 4.3 4.3 4.3 4.3 4.7 4.9 θ CA (Case-to-Ambient -No Heatsink) 23 19 18 16 14 11 9 NOTES: 1. This table applies to a PQFP device soldered directly into board. 2. θJA = θJC + θCA 3. θJL = 13°C/W (approx.) 4. θJB = 13.5°C/W (approx.) Table 15. Maximum TA at Various Airflows in °C (80960JT) Airflow-ft/min (m/sec) fCLKIN (MHz) 0 (0) 200 (1.01) 400 (2.03) 600 (3.04) 800 (4.06) 1000 (5.07) PQFP Package TA without Heatsink 33 25 62 71 73 79 76 82 81 86 85 88 88 91 PGA Package TA without Heatsink 33 25 58 68 68 75 76 82 80 84 81 86 83 87 TA with Omnidirectional Heatsink1 33 25 75 81 85 88 90 92 92 94 93 95 93 95 TA with Unidirectional Heatsink2 33 25 73 79 86 90 90 92 92 94 93 95 93 95 MPBGA Package TA without Heatsink 33 25 TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD NOTES: 1. 0.248” high omnidirectional heatsink (AI alloy 6061, 41 mil fin width, 124 mil center-to-center fin spacing). 2. 0.250” high unidirectional heatsink (AI alloy 6061, 50 mil fin width, 146 mil center-to-center fin spacing). θ JB θ JA θ JC θ JL θ CA |
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