参数资料
型号: PowerPC 740
厂商: IBM Microeletronics
英文描述: 32-Bit Embedded Microprocessor(32位精简指令集嵌入式微处理器)
中文描述: 32位嵌入式微处理器(32位精简指令集嵌入式微处理器)
文件页数: 40/48页
文件大小: 608K
代理商: POWERPC 740
Page 40
Version 1.02
12/8/99
PowerPC 740 and PowerPC 750 Microprocessor
CMOS 0.20
μ
m Copper Technology, PID-8p, PPC740L and PPC750L, dd3.2
Thermal Management Information
This section provides thermal management information for the CBGA package for air cooled applications.
Proper thermal control design is primarily dependent upon the system-level design; that is, the heat sink, air
flow, and the 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 20.
Figure 20. Package Exploded Cross-Sectional View with Several Heat Sink Options
Maximum Heatsink Weight Limit for the 360 CBGA
Force
Maximum (pounds)
Dynamic Compression
10.0
Dynamic Tensile
2.5
Static Constant (Spring Force)
8.2
CBGA Package
Heat Sink
Heat Sink clip
Adhesive
or
Thermal
Interface
Material
Printed
Circuit
Board
Option
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