[ARM] Interface Cortex M4 and PSRAM with different power supply voltage

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Dear all,

could you please tell me if it is possible to interface a Cortex M4 (3.3V) with a PSRAM (1.8V) directly or do I have to add a logic level (Voltage Translation) between both?
With kind regards,
David
 

Hi,

I don´t know these devices, but I´m very sure the datasheets will tell you.

Klaus
 

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