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55 votes
7 answers
18k views

Why don't we make CPUs with 1000s of layers to make use of space in the third dimension?

I am wondering why don't we make processors such as CPUs with 1000s of stacked layers to make use of space in the third dimension now that we have three-dimensional transistors. To be clear I'm ...
Ethan's user avatar
  • 689
3 votes
1 answer
29k views

JL (or maybe something else) misterious branded IC's, what is the origin? [closed]

Edit 12/31/2019: Thanks to Mariano Dupont: Found it: Zhuhai Jieli Technology zh-jieli.com Take a look at this example of an IC found on a circuit board: Brand is found on many PCB's of Chinese/...
Codebeat's user avatar
  • 1,367
1 vote
1 answer
629 views

Using Beaglebone Black to prototype commercial product

I am designing a system and it's safe to say I am a little out of my depth. The requirements of the project are as follows; drive 7" WVGA touch screen and generate graphics 4-20mA input 3 x 4-20mA ...
Revilo Engineering's user avatar
10 votes
3 answers
2k views

The manufacturing and grading of families of microprocessors

Intel produces families of seemingly similar microprocessors. For example, the Core i5-3320M (2.6 GHz, 3 MB cache), the Core i5-3360M (2.8 GHz, 3 MB cache), and the Core i7-3520M (2.9 GHz, 4 MB ...
thb's user avatar
  • 617