General > General Technical Chat

What's this please? (Component Advice)

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helius:
1956 is squarely in the era of germanium transistors; they certainly were not making many germaniums in 1969!

tigrr:

--- Quote from: BlackLotus on November 09, 2024, 05:27:04 pm ---The only "weird" thing is that the SS216(D) datasheet says the pin order is EBC, but my tester indicates CBE.
--- End quote ---
However, the original datasheet indicates the correct transistor pinout - CBE. Perhaps you have come across an incorrect datasheet with the EBC marking.

fzabkar:
Can anyone identify these 3 ICs?

https://forum.hddguru.com/viewtopic.php?f=10&t=43285 (thread)

https://forum.hddguru.com/download/file.php?id=25972&mode=view (MAY + 70B + A2P + 804)

https://forum.hddguru.com/download/file.php?id=25973&mode=view (BC2G + 740 and AM2K + 750)

"MAY" appears to be comprised of two bucks which power the flash controller cores (there are 3 cores).

"BC2G" and "AM2K" (?) are two step-down converters which produce 1.2V and 1.8V (?).

I'm wondering whether "MAY" could be a custom PMIC by Marvell. The controller is a Marvell 88SS1093.

https://datasheet.datasheetarchive.com/originals/crawler/marvell.com/aa6fc3a5a4f7db8cb2533f29c96b6e2d.pdf

tigrr:

--- Quote from: fzabkar on November 30, 2024, 11:35:38 pm ---Can anyone identify these 3 ICs?
(BC2G + 740 and AM2K + 750)
--- End quote ---
Unfortunately, the photos of the chip cases are not very clear...

fzabkar:

--- Quote from: tigrr on December 02, 2024, 01:01:05 pm ---
--- Quote from: fzabkar on November 30, 2024, 11:35:38 pm ---Can anyone identify these 3 ICs?
(BC2G + 740 and AM2K + 750)
--- End quote ---
Unfortunately, the photos of the chip cases are not very clear...

--- End quote ---

Agreed, but that's all I'm going to get. This same guy used to post images that consisted of illegible black rectangles until I shamed him into throwing away his potato camera.

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