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I am currently working on an already fully assembled PCB. I want to get into Hardware Reverse Engineering and my first step would be to identify all important components. I found most of the components via a simple Google search but there is one that I simply can't identify. I even tried to search for the company logo (the thing in the left upper corner, I guess that's the company logo, at least I don't know what else it could be) but I can't find anything helpfull. This is why I am asking here, maybe someone of you knows what this can be or even knows the company :)

My suggestion btw is, that it could be the NAND Flash but I am not sure.

Picture description (in case you can't read the characters):

FP1545

5F1GQ4UCYIG

H8K094

enter image description here

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  • \$\begingroup\$ Some contect would be helpful, maybe show us a photo pf the PCB, where the chip is used on. \$\endgroup\$ – jusaca Aug 6 at 9:09
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    \$\begingroup\$ I found your component on many chinese websites and all of them referenced to this datasheet endrich.com/fm/2/GD5F1GQ4UAYIG.pdf. It's a NAND flash memory with SPI interface. \$\endgroup\$ – pantarhei Aug 6 at 9:18
  • \$\begingroup\$ Thx everyone :) \$\endgroup\$ – Ramazuri Aug 6 at 9:24
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It is a SPI(x1/x2/x4) NAND Flash from GigaDevice.

See Datasheet GD5FxGQ4xC

  • The 1st x: 1 stands for Density: 1 Gb
  • The 2nd x: U stands for Voltage: 3.3V (2.7~3.6V)
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    \$\begingroup\$ Thanks a lot. :) \$\endgroup\$ – Ramazuri Aug 6 at 9:24
  • \$\begingroup\$ You're welcome. \$\endgroup\$ – Michel Keijzers Aug 6 at 9:26
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It's made by GigaDevice, and it is a 1Gb NAND flash with SPI interface. See here.

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    \$\begingroup\$ Thank you very much :) \$\endgroup\$ – Ramazuri Aug 6 at 9:24

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