参数资料
型号: MPC8245LZU300X
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 300 MHz, RISC PROCESSOR, PBGA352
封装: 35 X 35 MM, 1.65 MM HEIGHT, 1.27 MM PITCH, CAVITY DOWN, TBGA-352
文件页数: 43/60页
文件大小: 620K
代理商: MPC8245LZU300X
48
MPC8245 Integrated Processor Hardware Specications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
System Design Information
1.7.10 Thermal Management Information
This section provides thermal management information for the tape ball grid array (TBGA) package for
air-cooled applications. 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, and mounting clip and screw assembly; see Figure 29.
Figure 29. Package Exploded Cross-Sectional View with Several Heat Sink Options
Figure 30 depicts the die junction-to-ambient thermal resistance for four typical cases:
1) A heat sink is not attached to the TBGA package and there exists high board-level thermal loading of
adjacent components.
2) A heat sink is not attached to the TBGA package and there exists low board-level thermal loading of
adjacent components.
3) A heat sink (e.g. ChipCoolers #HTS255-P) is attached to the TBGA package and there exists high
board-level thermal loading of adjacent components.
4) A heat sink (e.g. ChipCoolers #HTS255-P) is attached to the TBGA package and there exists low
board-level thermal loading of adjacent components.
Adhesive
or
Thermal Interface
Heat Sink
TBGA Package
Heat Sink
Clip
Printed-Circuit Board
Option
Material
Die
相关PDF资料
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MPC8245LZU350X 32-BIT, 350 MHz, RISC PROCESSOR, PBGA352
MPC8270CVVQLDA 32-BIT, 333 MHz, RISC PROCESSOR, PBGA480
MPC8270CZUQLDA 32-BIT, 333 MHz, RISC PROCESSOR, PBGA480
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