參數(shù)資料
型號: MPC8541ECPXAKFX
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 600 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 72/84頁
文件大小: 1241K
代理商: MPC8541ECPXAKFX
MPC8541E PowerQUICC III Integrated Communications Processor Hardware Specifications, Rev. 4
74
Freescale Semiconductor
Thermal
Figure 47. Exploded Views (2) of a Heat Sink Attachment using a Plastic Force
The die junction-to-ambient and the heat sink-to-ambient thermal resistances are common figure-of-merits
used for comparing the thermal performance of various microelectronic packaging technologies, one
should exercise caution when only using this metric in determining thermal management because no single
parameter can adequately describe three-dimensional heat flow. The final die-junction operating
temperature is not only a function of the component-level thermal resistance, but the system level design
and its operating conditions. In addition to the component’s power consumption, a number of factors affect
the final operating die-junction temperature: airflow, board population (local heat flux of adjacent
components), system air temperature rise, altitude, etc.
Due to the complexity and the many variations of system-level boundary conditions for today’s
microelectronic equipment, the combined effects of the heat transfer mechanisms (radiation convection
and conduction) may vary widely. For these reasons, we recommend using conjugate heat transfer models
for the boards, as well as, system-level designs.
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相關代理商/技術參數(shù)
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MPC8541ECVTAJD 制造商:Freescale Semiconductor 功能描述:Microprocessor
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