参数资料
型号: MPC8245TVV266D
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA352
封装: 35 X 35 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, CAVITY-UP, TBGA-352
文件页数: 44/60页
文件大小: 674K
代理商: MPC8245TVV266D
MOTOROLA
MPC8245 Integrated Processor Hardware Specications
49
System Design Information
may be required to maintain junction temperature within specications. Proper thermal control design is
primarily dependent upon the system-level design: the heat sink, airow, and thermal interface material. To
reduce the die-junction temperature, heat sinks may be attached to the package by several methods:
adhesive, spring clip to holes in the printed-circuit board or package, or mounting clip and screw assembly;
Figure 27. Package Exploded Cross-Sectional View with Several Heat Sink Options
Figure 28 depicts the die junction-to-ambient thermal resistance for four typical cases:
A heat sink is not attached to the TBGA package and there exists a high board-level thermal loading
from adjacent components.
A heat sink is not attached to the TBGA package and there exists a low board-level thermal loading
from adjacent components.
A heat sink (for example, ChipCoolers) is attached to the TBGA package and there exists high
board-level thermal loading from adjacent components.
A heat sink (for example, ChipCoolers) is attached to the TBGA package and there exists low
board-level thermal loading from adjacent components.
Thermal Interface
Heat Sink
TBGA Package
Heat Sink
Clip
Printed-Circuit Board
Option
Material
Die
Adhesive or
相关PDF资料
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