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Glossary
Type
FPM (60,70ns)
EDO (50,60,70ns)
SDRAM (66MHz)
SDRAM (100MHz)
SDRAM (133MHz)
RDRAM (Direct Rambus)
DDR SDRAM (100MHz)
DDR SDRAM (133MHz)
* Memory channel width (64 bits started with 75MHz Pentium)
Source: Computer Desktop Encyclopedia
Dynamic RAM (DRAM) Memory Technologies
First Used
Clock Rate
1990
1994
1996
1998
1999
1999
2000
2000
Bus* Width
25MHz
64 bits
40MHz
64 bits
66MHz
64 bits
100MHz
64 bits
133MHz
64 bits
400MHz
16 bits
100MHz
64 bits
133MHz
64 bits
G-2
Peak
Volts
Bandwidth
200 MBps
5v
320 MBps
5v
528 MBps
3.3v
800 MBps
3.3v
1.1 GBps
3.3v
1.6 GBps
2.5v
1.6 GBps
3.3v
2.1 GBps
3.3v
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