512MB to 2GB DDR Laptop/Computer Memory RAM with 533/667/800Mbps Data Rate

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Basic Info

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Product Description

Specifications:

Capacity: 512MB to 2GB DDR 333/400 and DDR2 533/667/800MHz
168/184/240-pin socket type dual-in line memory module (DIMM)
Data rate: 533/667/800Mbps (maximum)
2.5V (SSTL-2 compatible) I/O for DDR products, 1.8V power supply for DDR2 products
Chipset organization: 64 x 8, 128 x 4 and 128 x 8
Double-data-rate architecture, two data transfers per clock cycle
Bi-directional, differential data strobe (DQS) is transmitted/received with data, to be used in capturing data at receiver
Data input and output are synchronized with DQS
DQS is edge aligned with data for read, center aligned with data for write
Various clock input (CK and CK)
DLL align DQ and DQS transitions with CK transitions
Brands of chipset: ELPIDA, Mosel and Nanya
Four internal banks for concurrent operating (component)
Posted CAS by programmable additive latency for better command and data bus efficiency
Programmable burst length: 2, 4 and 8
Programmable/CAS latency (CL): 3
Refresh cycles: 8192 refresh cycles/64ms
2 variation of refresh: auto-refresh and self refresh
7.8US maximum average periodic refresh interval