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SDRAM
SDRAM (Synchronous Data Random Access Memory) is a commonly used memory type that is used primarily in DIMMs.
The successor of EDO-RAM synchronises itself with the system clock that controls the processor. This prevents delays during access operations. A burst is transmitted immediately. SDRAM architecture is completely different from classic DRAM architecture and significantly faster.
Advantages of SDRAM include memory access without wait state delays, and access to memory with 64 Bit per module.
SDRAM's successor is DDRAM. DDRAM (Double Data Random Access Memory) enables faster access than DRAM. DRAM has a data transmission rate of 1.1 GB/s, while DDRAM components double this rate to 2.2 GB/s. With DRAM, only the ascending flank writes/read data. With DDRAM, the descending flank reads/writes data as well.
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