CQFP to FBGA Adapter Sockets
Reflow Profile
Since the reflow profile depends upon the size of the board and other components, you need to perform
additional fine tuning from the general profile shown in Figure 23 .
250
Maximum package body
temperature = 220°C (±5°C)
220°C 30 seconds maximum
200
180°C
150
125
°C t
o1
80°C
1°C to 3°C
per second
1°C to 4°C
per second
100
50
120 seconds
minimum
Keep temperature above
183°C (solder melting point)
for at least 60 seconds.
0
50
100
150
200
250
300
1°C to 3°C
per second
Time (seconds)
Note: This temperature profile guideline is for reference only
Figure 23 ? Sample Temperature Profile for I/R or Convection Reflow
Interposer Insertion Limitations
The prototyping adapter sockets are designed to enable the validation and functional testing of the user
FPGA designs on commercial devices before programming the design on the intended hermetic units.
The interposer is typically used for a limited number of insertions (no more than 25 insertions) per user
design/application. Additionally, the interposer is not intended for long term compression of the
commercial prototype unit. The maximum duration for which the interposer should remain compressed is
10 days per insertion. The prototyping adapter sockets can only withstand the temperature range of
–25oC to +125oC. In the event that the socket is used in ways that exceed the intended use model
(examples are temperatures exceeding 125oC, high current, long mating duration exceeding 10 days, or
a combination of all), there is a possibility of interposer damage or dislodging pins from the interposer, as
shown in Figure 24 on page 15 .
14
相关PDF资料
SK-AX250-CQ352RTFG484S ADAPTER BOARD SKT CQ352-FG484
SK-RT4K-CG1272-KITBTM ADAPTER BOARD SKT CCGA TO CLGA
SK-RT4K-KITTOP KIT ADAPTER BOARD SOCKET
SK-SX72-CG624RTFG484 ADAPTER BOARD SKT CCGA TO FBGA
SK6-6 SURGE SUPPRSSR SUPER 8OUT 8'CORD
SKP38024 KIT STARTER FOR H8/38024
SM-IDC5N INPUT MODULE DC 34MA 5VDC
SM-OACUAH OUTPUT MODULE AC 44MA 15VDC
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SK-AX1-CQ352-KITBTM 功能描述:ADAPTER BOARD SKT CQ352-FG896 RoHS:否 类别:编程器,开发系统 >> 适配器 系列:* 标准包装:96 系列:- 模块/板类型:TQFP 插座模块 适用于相关产品:-
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SK-AX250-CQ352RTFG484S-B 制造商:Microsemi Corporation 功能描述:SK-AX250-CQ352RTFG484S-B - Bulk 制造商:Microsemi SOC Products Group 功能描述:SK-AX250-CQ352RTFG484S-B - Bulk
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