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TMDSICE3359: DDR3L memory at 1.35V

Part Number: TMDSICE3359
Other Parts Discussed in Thread: AM3356,

Hi guys,

a customer wants to implement AM3356 with PMIC TPS65910 and DDR3-RAM by Micron like in TMDSICE3359. Instead of using the DDR3-RAM version specified for 0°C (supply voltage 1.5V) they want to use the -40°C (supply voltage 1.35V) version.

According to the datasheet the PMIC can only supply down to 1.5V on VIO SMPS. To get the needed 1.35V an idea would be to switch VIO SMPS with VDD2 SMPS. For that the boot sequence would probably need to be altered. Is this possible or can you recommend an alternative solution e.g. another PMIC?

Thank you,

Franz