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 DDR Memory Modules
Product Name:
  DDR 533 512mb
  DDR Memory Modules / DDR RAM
1.Work on all motherboard 2.Original chips before and after service. 4.long dimm ram memory 5.Price Term: EXW Shenzhen 6.Packing Term: retail or bulk packing 7.Payment Term: T/T and Western Union 8.Delivery Time: 2-3 working days 9.Warranty: 3years 10.OEM and ODM are also available

 We assure you High Quality, Best Price and Fast Delivery.
1.2.5 V (SSTL-2 compatible) I/O for DDR I products, 1.8Vpower supply for DDR II products
2.Double-data-rate architecture, two data transfers per clock cycle
3.Bi-directional, differential data strobe (DQS) is transmitted/received with data, to be used in capturing data at the receiver
4.Data inputs and outputs are synchronzed with DQS.
5.DQS is edge aligned with data for read, center aligned with data for write.
6.Differential clock inputs (CK and CK)
7.DLL aligns DQ and DQS transitions with CK transitions.
8.Commands entered on each positive CK edge: Data and data mask referenced to
both edges of DQS.
9.Four internal banks for concurrent operation (component)
10.Data mask(DM) for write data.
11.Auto precharge option for each burst access
12.Programmable burst length: 2, 4, 8
13.Programmable/CAS latency (CL): 3
14.Programmable output driver strength: Normal/weak
15.Refresh cycles: (8192 refresh cycles/64ms) .
16.7.8US maximum average periodic refresh interval.
17.Posted CAS by programmable additive latency for better command and data bus efficiency

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