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DDR2 SDRAM
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Double Data Rate 2 Synchronous Dynamic Random-Access Memory is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) interface. It is a JEDEC standard (JESD79-2); first published in September 2003. DDR2 succeeded the original DDR SDRAM specification, and was itself succeeded by DDR3 SDRAM in 2007. DDR2 DIMMs are neither forward compatible with DDR3 nor backward compatible with DDR.
Front and back of a 2GB PC2-5300 DDR2 RAM module for desktop PCs (DIMM)
Front and back of a 2GB PC2-5300 DDR2 RAM module for desktop PCs (DIMM)
PC2-5300 DDR2 SO-DIMM (for notebooks)
PC2-5300 DDR2 SO-DIMM (for notebooks)
DDR2 P vs F Server DIMM's Notch Positions compared
DDR2 P vs F Server DIMM's Notch Positions compared
Intel ® 6402 Advanced Memory Buffer
Intel ® 6402 Advanced Memory Buffer
Synchronous dynamic random-access memory
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Synchronous dynamic random-access memory is any DRAM where the operation of its external pin interface is coordinated by an externally supplied clock signal.
SDRAM memory module
SDRAM memory module
SDRAM memory module, zoomed
SDRAM memory module, zoomed
The 64 MB of sound memory on the Sound Blaster X-Fi Fatality Pro sound card is built from two Micron 48LC32M8A2 SDRAM chips. They run at 133 MHz (7.5
The 64 MB of sound memory on the Sound Blaster X-Fi Fatality Pro sound card is built from two Micron 48LC32M8A2 SDRAM chips. They run at 133 MHz (7.5 ns clock period) and have 8-bit wide data buses.