2.5V AS serial configuration device?

Thanks for the suggestions guys.

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how about this one:

AT45DB161D-SU-2.5

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That doesn't have the legacy 'read device ID' command that should return 0x14 for an EPCS16 equivalent.

Having said that I'm not sure if that's a problem with indirect programming and a *.jic that we're using.

Anybody know if this is required?

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Why using a a 2.5V device at all ? If you still have a 3.3V rail on your board you can power the ECPS16 with 3.3V

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Most of the data sheets I have checked state VInHigh is Vcc * 0.7 so the guaranteed 2.5V output of 2.0V isn't high enough.

The simplest/ cheapest solution looks like it's going to be to use a small dedicated voltage regulator to power the config device at ~2.8V.

Thanks again,

Nial.