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Monday, October 16, 2017

DRAM? SDRAM ?

Memory FAQ Topics
DRAM? SDRAM ?
Q. Several Memory module suppliers are offering PC133 modules with a performance setting of 3-2-2. What advantage does a 2-2-2 module provide?
A. The first number of the 2-2-2 designation refers to CAS latency, so in short you are asking the advantage of a CAS latency of 2 over one of 3.

Adjusting a device to CL = 2 from CL = 3 will speed up access time from a READ command to the point at which data is available on the data bus (1 clock quicker).

Base on benchmark testing results, better performance improvements were found in the 2-2-2 setting over the 3-2-2:
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