參數(shù)資料
型號(hào): MPC745BVT300LE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 300 MHz, RISC PROCESSOR, PBGA255
封裝: 21 X 21 MM, 2.80 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, PLASTIC, BGA-255
文件頁(yè)數(shù): 43/60頁(yè)
文件大?。?/td> 1559K
代理商: MPC745BVT300LE
MPC755 RISC Microprocessor Hardware Specifications, Rev. 7.0
48
Freescale Semiconductor
System Design Information
Figure 27. Thermal Performance of Select Thermal Interface Materials
The board designer can choose between several types of thermal interface. Heat sink adhesive materials
should be selected based on high conductivity, yet adequate mechanical strength to meet equipment
shock/vibration requirements. There are several commercially-available thermal interfaces and adhesive
materials provided by the following vendors:
The Bergquist Company
800-347-4572
18930 West 78th St.
Chanhassen, MN 55317
Internet: www.bergquistcompany.com
Chomerics, Inc.
781-935-4850
77 Dragon Ct.
Woburn, MA 01888-4014
Internet: www.chomerics.com
Dow-Corning Corporation
800-248-2481
Dow-Corning Electronic Materials
2200 W. Salzburg Rd.
Midland, MI 48686-0997
Internet: www.dow.com
Shin-Etsu MicroSi, Inc.
888-642-7674
10028 S. 51st St.
Phoenix, AZ 85044
Internet: www.microsi.com
0
0.5
1
1.5
2
0
10
20
304050
607080
Silicone Sheet (0.006 in.)
Bare Joint
Floroether Oil Sheet (0.007 in.)
Graphite/Oil Sheet (0.005 in.)
Synthetic Grease
Contact Pressure (psi)
Speci
fic
Th
er
ma
lResistance
(K-in.
2
/W
)
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