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DDR266A

Reading: In D D earl - lathe [ku] a
Field:
Semiconductor > memory > RAM > DDR266A

At one of the memory chip specifications of DDR SDRAM, operational clock 133MHz and CAS [reitenshi] (CL) 2.0 ones. As for the DDR266 (DDR266B) memory chip which is used generally because CAS [reitenshi] 2.5 is, as for DDR266A amount and the effective data rate whose CAS [reitenshi] is short somewhat have improved. As for maximum data rate on the specifications with 2.1GB/s, also “PC2100” specification is called DDR266 (DDR266B) similarly from transfer rate. Simply when such as “DDR266” “PC2100”, there is many a thing which points to the thing of DDR266B.

DDR266B

Reading: In D D earl - lathe [ku] B
Field:
Semiconductor > memory > RAM > DDR266B

At one of the memory chip specifications of DDR SDRAM, operational clock 133MHz and CAS [reitenshi] (CL) 2.5 ones. The specification which shortens CAS to 2.0 is called DDR266A, effective efficiency is somewhat high. Each maximum data rate on the specifications as for with 2.1GB/s, also “PC2100” specification is called from transfer rate. Simply when such as “PC2100”, there is many a thing which points to the thing of DDR266B.

DDR2-800 <PC2-6400>

Reading: As for D D earl two [tsu] [pi] [ya] [ku]
Field:
Semiconductor > memory > RAM > DDR2-800

At one of types of the memory of DDR2 SDRAM, the external clock to 400MHz (FSB) the specification which corresponds.

PC2-6400 with standard of memory module, has shown the fact that maximum data rate is 6.4GB/s. DDR2-800 with standard of the memory chip which corresponds, time data rate drive of 400MHz (DDR) has shown the fact that it is correspondence possible.

DDR2 SDRAM <DDR2>

Field:
Semiconductor > memory > RAM > DDR2 SDRAM

The standard of SDRAM which accelerates DDR SDRAM which JEDEC decides in 2003. Electric power consumption is less than DDR with the high performance. There is no compatibility of DDR, does not put DDR2 memory module in the DDR socket and/or the opposite is not achieved. After DDR2 appearing, calling the thing of conventional DDR “DDR1”, there are times when you distinguish. of 400MHz operation and “DDR2-533” of 533MHz operation commercialized for the first time in 2004. In the future as those which keep becoming standard of memory technology of the personal computer in place of DDR it is expected.