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參數(shù)資料
| 型號： | MSC7110VF800 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 顯示控制器 |
| 英文描述： | FLUORESCENT DSPL CTRL, PBGA400 |
| 封裝： | 17 X 17 MM, BGA-400 |
| 文件頁數(shù)： | 32/56頁 |
| 文件大小： | 702K |
| 代理商： | MSC7110VF800 |
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MSC7110 Low-Cost 16-bit DSP with DDR Controller Data Sheet, Rev. 11
Hardware Design Considerations
Freescale Semiconductor
38
3
Hardware Design Considerations
This section described various areas to consider when incorporating the MSC7110 device into a system design.
3.1
Thermal Design Considerations
An estimation of the chip-junction temperature, TJ, in °C can be obtained from the following:
TJ = TA + (R
θJA × PD)Eqn. 1
where
TA = ambient temperature near the package (°C)
R
θJA = junction-to-ambient thermal resistance (°C/W)
PD = PINT + PI/O = power dissipation in the package (W)
PINT = IDD × VDD = internal power dissipation (W)
PI/O = power dissipated from device on output pins (W)
The power dissipation values for the MSC7110 are listed in Table 4. The ambient temperature for the device is the air
temperature in the immediate vicinity that would cool the device. The junction-to-ambient thermal resistances are JEDEC
standard values that provide a quick and easy estimation of thermal performance. There are two values in common usage: the
value determined on a single layer board and the value obtained on a board with two planes. The value that more closely
approximates a specific application depends on the power dissipated by other components on the printed circuit board (PCB).
The value obtained using a single layer board is appropriate for tightly packed PCB configurations. The value obtained using a
board with internal planes is more appropriate for boards with low power dissipation (less than 0.02 W/cm
2 with natural
convection) and well separated components. Based on an estimation of junction temperature using this technique, determine
whether a more detailed thermal analysis is required. Standard thermal management techniques can be used to maintain the
device thermal junction temperature below its maximum. If TJ appears to be too high, either lower the ambient temperature or
the power dissipation of the chip.
You can verify the junction temperature by measuring the case temperature using a small diameter thermocouple (40 gauge is
recommended) or an infrared temperature sensor on a spot on the device case. Use the following equation to determine TJ:
TJ = TT + (ΨJT × PD)Eqn. 2
where
TT = thermocouple (or infrared) temperature on top of the package (°C)
Ψ
JT = thermal characterization parameter (°C/W)
PD = power dissipation in the package (W)
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MSC711XADS
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| MSC7112VM1000 | 功能描述:DSP 16BIT W/DDR CTRLR 400-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:StarCore 標準包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點 接口:I²C，McASP，McBSP 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA，F(xiàn)CBGA 供應商設備封裝:548-FCBGA（27x27） 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA |
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