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1 vote
Accepted

Buffering Arduino SPI bus using 74AHCT125

5V, because that chip works only on 5V and outputs 5V. It would be a great chip for level shifting 3.3 to 5V, but will not work for level shifting 5V to 3.3V. No it would burn up the 3.3V device if ...
Justme's user avatar
  • 158k
1 vote

How to isolate a chip from a board without unsoldering it?

There are a couple of things you can do here without physical modification... System Reset Are you able to hold the system in reset state? If so, the I/O pins connected to the flash will generally ...
Attie's user avatar
  • 2,123
1 vote
Accepted

Chip identification possibly SPI driver

Probably way late for you, but I found this in search trying to track down the same thing. What brand is your desk? I believe your second IC should be identified by the 019A number. It is probably a ...
Ryan Feeley's user avatar

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