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參數(shù)資料
| 型號(hào)： | MC7447RX1000NBR2 |
| 廠商： | MOTOROLA INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 1000 MHz, RISC PROCESSOR, CBGA360 |
| 封裝： | 25 X 25 MM, 3.20 MM HEIGHT, 1.27 MM PITCH, CERAMIC, FLIP CHIP, BGA-360 |
| 文件頁(yè)數(shù)： | 54/87頁(yè) |
| 文件大小： | 1586K |
| 代理商： | MC7447RX1000NBR2 |
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58
MPC7457 RISC Microprocessor Hardware Specifications
MOTOROLA
System Design Information
The use of thermal grease significantly reduces the interface thermal resistance. That is, the bare joint results
in a thermal resistance approximately seven times greater than the thermal grease joint.
Often, heat sinks are attached to the package by means of a spring clip to holes in the printed-circuit board
(see Figure 25). Therefore, the synthetic grease offers the best thermal performance, considering the low
interface pressure and is recommended due to the high power dissipation of the MPC7457. Of course, the
selection of any thermal interface material depends on many factors—thermal performance requirements,
manufacturability, service temperature, dielectric properties, cost, etc.
Figure 29. Thermal Performance of Select Thermal Interface Material
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
0
0.5
1
1.5
2
0
1020
304050
6070
80
Silicone Sheet (0.006 in.)
Bare Joint
Floroether Oil Sheet (0.007 in.)
Graphite/Oil Sheet (0.005 in.)
Synthetic Grease
Contact Pressure (psi)
S
p
ec
if
ic
T
h
er
ma
lR
e
s
is
tan
ce
(
K
-i
n
.2
/W)
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| MC7447RX600NB | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:PPC7457RX1000NB |
| MC7447RX733NB | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
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| MC7448HX1000LC | 功能描述:IC MPU RISC 32BIT 360-FCCBGA RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC74xx 標(biāo)準(zhǔn)包裝:1 系列:MPC85xx 處理器類(lèi)型:32-位 MPC85xx PowerQUICC III 特點(diǎn):- 速度:1.2GHz 電壓:1.1V 安裝類(lèi)型:表面貼裝 封裝/外殼:783-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:783-FCPBGA（29x29） 包裝:托盤(pán) |
| MC7448HX1000LD | 功能描述:微處理器 - MPU APL8 RV2.2.1 1.15V 105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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