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by russdill 544 days ago
They should have first attempted going without VCC and GND. Just make sure CS# is hooked to ground and WP is hooked to VCC.

Both pads would have protection diodes to VCC/GND providing phantom power when tied to the appropriate rail. Plenty of chips work fine with phantom power.
1 comments
0_____0 543 days ago
That's a cool idea. Going to file that away for another time. I imagine you'd maybe run your phantom voltage a little higher to overcome the ESD diode drop?
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russdill 543 days ago
The voltage drop is probably already accounted for in the allowable range unless it's a very low voltage chip. The main concern is you can't get away with anything high current. An SPI flash chip should be ok though, it's only driving one pin and you can choose whatever rate you want.
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