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6 layer board and routing bga package

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#75352

6 layer board and routing bga package | 11 February, 2016

I'm planning to design the pcb of my project. The controller used is having 136 pins and the package is P-LFBGA. So i think i need to design a 6 layer board for better performance. I haven't designed a multi layer board before. So what are things taken taken care while designing such a board and i would like to know the steps of routing BGA packages. Any help would be appreciated.

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#75359

6 layer board and routing bga package | 16 February, 2016

this document http://www.latticesemi.com/view_document?document_id=671 may be good start point but note that how to escape from the BGA is not big deal, how to route your filtering capcitors, grounding, impedance control lof you high speed signals are bigger challenge

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#75368

6 layer board and routing bga package | 19 February, 2016

Thank you Tsvetan Usunov

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#75369

6 layer board and routing bga package | 19 February, 2016

Hi, i have a confusion to read the dimension of BGA package from the datasheet. I have attached the datasheet below. Is this diameter of the ball 0.30mm or 0.15mm. I'm confused about the values given in the box. Whats meant by M, S, A and B. Please go through the attached file.

Attachments:

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