All Questions
2
questions
2
votes
0
answers
103
views
How old is too old for BGA chips soldering
I need to buy a batch of UFGBA100 STM32 MCUs from a Chinese broker. I'm concerned that in the quote they specified that the chips will have a date code 19+ (4 years old). How can this affect ...
- 497
1
vote
0
answers
415
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Thermal reliefs for via-in-pad under BGA?
I'm doing the layout of a high-speed (Multi gigabit) system based on an FPGA with more than a thousand BGA pads and 0.8mm pitch on a 10-layer board. I'm using via in pads that will be copper-filled ...
- 2,612