Significance of ras and cas in the SDRAM

Question

Write down the significance of ras and cas in the SDRAM?

Answer 1

SDRAM receives its address command in the two address words.

It employs a multiplex scheme to save the input pins. The first address word is latched to the DRAM chip with row address strobe (RAS).

Given are the RAS command is column address strobe (CAS) for latching the second address word.

Shortly subsequent to the RAS and CAS strobes, the stored data is valid for the reading.