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BGA Via size

shereesubahan , 05-22-2019, 01:16 AM
What can be the via size of 0.8 X 0.8 mm pitch 484pin-BGA, Trace tickness
Paul van Avesaath , 05-22-2019, 01:52 AM
i normally use 18Mil annular ring and 8mil hole
shereesubahan , 05-22-2019, 02:01 AM
pad size is .45mm X .45mm, pitch is 0.8X0.8mm, Minimum clearance is 0.2mm in this spec if we use above 18Mil annular ring and 8mil hole , getting clearance error wit adjacent pads
Lakshmi , 05-22-2019, 10:29 PM
You stated that minimum Clearance between the pads is 0.2mm. Is this information given in the datasheet?
Could you please share the Part Number?
Paul van Avesaath , 05-23-2019, 01:19 AM
this might help
robertferanec , 05-24-2019, 07:03 AM
@shereesubahan, have a look at our OpenRex open source project - that is using 0.8mm BGA.

Here is link to the project, you can download there Altium files: https://www.imx6rex.com/open-rex/




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