800mhz DDR2拉姆的记忆

ram memory, ddr2, ddr2 memory module, ddr2 1gb,DDR2 memory, server memory, flash memory, memory module, ddr memory, ram, Features: Capacity: 512MB 2GB Interface:DDR / DDR2/DDR3 Frequency: DDR 333 / 400 and DDR2 533 / 667 / 800 / 1066 MHZ 5 years long warranty Fast delivery Detailed Specifications: 1) 512MB 2GBDDR 333 / 400 and DDR2 533/667/800 MHz 2) 168/184/240-pin socket type dual in line memory module (DIMM) 3) Data rate: 533/667/800Mbps (max.) 4) 2.5 V (SSTL-2 compatible) I/O for DDR products, 1.8V power supply for DDR2 products 5) Chipset organization: 64*8, 128*4, 128*86) Double-data-rate architecture, two data transfers per clock cycle 7) Bi-directional, differential data strobe (DQS) is transmitted/received with data, to be used in capturing data at the receiver 8) Data inputs and outputs are synchronized with DQS 9) DQS is edge aligned with data for read, center aligned with data for write 10) Different clock inputs(CK and CK)11) DLL aligns DQ and DQS thansitions with CK transitions12) Brands of chipset: ELPIDA, Mosel, NANYA,13) Four internal banks for concurrent operation (component) 14) Posted CAS by programmable additive latency for better command and data bus efficiency 15) Programmable burst length: 2, 4, 8 16) Programmable/CAS latency (CL): 3 17) Refresh cycles: (8192 refresh cycles/64ms) 18) 2 variations of refresh: Auto refresh and self refresh 19) 7.8US maximum average periodic refresh interval