Data retention mode for the CY7C1049CV33 ?

Question: What is the difference between stand-by mode and data retention mode for the CY7C1049CV33?

 

Answer:

In the data-retention mode, the chip enable of the part will be deselected and the input voltage will be 2.0V where as in the case of standby mode the part will be deselected but the input voltage will be 3.3V.