hello does somebody know the manufacture of this BGA100?? it was inside an SD card . iv found on internet that some come with the S logo but i dont know the name of the manufacture

Spectek = Micron's rejects

https://www.spectek.com/menus/mark_code.aspx

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A backup a day keeps DR away.

What is Spectek NAND flash?
https://www.hddoracle.com/viewtopic.php?p=23002#p23002

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A backup a day keeps DR away.

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Flashy Jack: "Welcome, Mr. Superman! Would you like to purchase our latest flash memory product?"

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Good one!

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A backup a day keeps DR away.

you are amazing!!!!
do you know what pin is this BGA???
it was on SD card.. customer said is an BGA100. but the pads doesnt match with the bga100 stencil

https://nand.gq/#/decode?pn=FBNL73ANAKDUABH3
https://nand.gq/#/decode?pn=FBML73ANAKDUABH3
https://nand.gq/#/decode?pn=PF516

Micron L73A datasheet:

https://pdf-html.ic37.com/pdf_file_U1/20200531/pdf_pdf/uploadpdf_old/MICRON/MT29F32G08CBACA_datasheet_1024449/166580/MT29F32G08CBACA_datasheet.pdf

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A backup a day keeps DR away.

thank you very much. do you think is VBGA100?? the pads still doesnt match..................
im very very confused. do you have similar experience???

I have no experience in this area.

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A backup a day keeps DR away.

its match with Micron BGA100 pdf - just two channel sharing this same lines on your SD card PCB

Sir the pads doesnt match with BGA100 stencil

is your stencil a 10x10? maybe look at the pitch of the pads and match it up with a stencil that way. possibly a BGA88 might match