参数资料
型号: STPCC0166BTI3
厂商: STMICROELECTRONICS
元件分类: 外设及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA388
封装: PLASTIC, BGA-388
文件页数: 48/71页
文件大小: 1238K
代理商: STPCC0166BTI3
Obsolete
Product(s)
- Obsolete
Product(s)
MECHANICAL DATA
52/71
Issue 2.4 - November 8, 2001
5.2. 388-PIN PACKAGE THERMAL DATA
The
388-pin
PBGA package has a Power
Dissipation Capability of 4.5W. This increases to
6W when used with a Heatsink.
The structure in shown in Figure 5-4.
Thermal dissipation options are illustrated in
Figure 5-5 and Figure 5-6.
Figure 5-4. 388-Pin PBGA structure
Thermal balls
Power & Ground layers
Signal layers
Figure 5-5. Thermal Dissipation Without Heatsink
Ambient
Board
Case
Junction
Board
Ambient
Case
Junction
Board
Rca
Rjc
Rjb
Rba
66
125
8.5
Rja = 13 °C/W
Airflow = 0
Board dimensions:
The PBGA is centred on board
Copper thickness:
- 17m for internal layers
- 34m for external layers
- 10.2 cm x 12.7 cm
- 4 layers (2 for signals, 1 GND, 1VCC)
There are no other devices
1 via pad per ground ball (8-mil wire)
40% copper on signal layers
Board temperature taken at the centrecentre ba
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