check this foot print

[rajmuthu88]

View attachment CHECK FP.rarhttps://www.xilinx.com/support/documentation/data_sheets/ds162.pdf
https://www.xilinx.com/support/documentation/user_guides/ug385.pdf
https://download.micron.com/pdf/datasheets/dram/ddr2/1GbDDR2.pdf




check and reply

 

[keith1200rs]

check and reply

Your question is meaningless.

Keith.

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Oh, and to save anyone else wasting their time - the links are over 20MB!

 

[kabaleevisu]

hi raj,

here i mention some exposed pad in that footprint.please check it



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check this link -https://www.edaboard.com/threads/24074/
in your design BGA ball size diameter is 0.45mm ,in BGA 80% ball is placed in assembly side so 0.45*0.8=0.36mm you have create ball size like this