column address strobe

In computer memory technology, CAS (column address strobe) is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a column address. A data bit in DRAM is stored in a cell located by the intersection of a column address and a row address. A RAS (row address strobe) signal is used to validate the row address.

Column address strobe is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a column address. A data bit in DRAM is stored in a cell located by the intersection of a column address and a row address. A RAS (row address strobe) signal is used to validate the row address.

CAS also stands for content-addressed storage and channel associated signaling.

This was first published in June 2006

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