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Some Cypress Flash Devices Provide VIO. What if VCC and VIO come from Different Supplies? - KBA203733
Anonymous
Not applicable
Oct 11, 2015
11:32 PM
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Some Cypress Flash Devices Provide VIO. What if VCC and VIO come from Different Supplies? - KBA203733
Version: *A
Translation - Japanese: いくつかのCypress Flash Memoryは電源電圧コアVCCとは別にIO電圧VIOオプションを持つ製品があります。 そのVCCとVIOを別の電圧レベルで供給する場合に気にかけておく点はありま...
Question:
Some Cypress Flash devices provide the VIO option in addition to the VCC core voltage. What if VCC and VIO have separate supplies?
Answer:
In this case, the VIO and VCC supplies must comply with the power-up and power-down requirements defined in the datasheet. For the GL-S flash, VCC must be greater than VIO by at least 200 mV during the power-up ramp, until both voltages are no less than the minimum operating voltage.
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