Post #1581465
2026-03-06 10:37 UTC
The final exhibit is SCF480U from 2018. Here we see a radical departure from previous designs. All blocks look dissimilar to previous exhibits, as does the fill pattern around the die. The top plated metal layer only does power routing, as seems the one below it too. There is one unbonded pad.
The top left quadrant is taken by a memory array. Top right has the usual SRAM block and the sea of gates implementing the digital logic. Bottom right seems to house voltage generators for Flash operation. Now in bottom left, there seems to be at least three separate memory blocks. I am not sure why.
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@infosecdj@infosec.exchange 2026-03-06 10:40
And that's about it for this issue, dear friends. A lot of images with not a lot of analysis. I hope that's okay. As you might have noticed, I have a particular interest in #smartcard chips. :-) And I always appreciate donations. ;-) Whether you send in your old SIM cards or grab some from "gold recovery" lots on eBay, everything is welcome. Or you can also join my Patreon so I can buy them myself. On that positive note, thanks for looking at my images and I hope to entertain you again next Friday. Have a nice rest of the week!