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حافظه ی RAM
W9751G6KB-25
The W9751G6KB is a 512M bits DDR2 SDRAM, organized as 8,388,608 words ´ 4 banks ´ 16 bits.
کیفیت: ORIGINAL(distributor) پکیج:
قیمت تک فروشی 779,205 ریال
قیمت عمده 721,420 ریال (10 به بالا)
قیمت ویژه 707,552 ریال (100 به بالا)
قیمت فوق العاده700,617 ریال (1000 به بالا)
 قیمت تک فروشی 1.277 تتر با تخفیف
6.565.885.82
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توضیحات
حافظه "رم" (Random Access Memory) که به اختصار عموما آن را به نام RAM مي شناسيم، مهم ترين حافظه مورد استفاده در يک کامپيوتر و يا لپ تاپ است. حافظه هاي رم براي تمامي سيستم هاي پردازشي ديجيتالي، حتي در تلويزيون ها، مورد استفاده قرار مي گيرندDRAM.که به اختصار کوتاه شده جمله Dynamic Random Access Memory است يکي از رايج ترين ماژول هاي RAM موجود در PC ها و Workstation ها است.
Description
The W9751G6KB is a 512M bits DDR2 SDRAM, organized as 8,388,608 words ´ 4 banks ´ 16 bits.
This device achieves high speed transfer rates up to 1066Mb/sec/pin (DDR2-1066) for general
applications.
--FEATURES:
* Power Supply: VDD, VDDQ = 1.8 V ± 0.1V
*Double Data Rate architecture: two data transfers per clock cycle
*CAS Latency: 3, 4, 5, 6 and 7
*Burst Length: 4 and 8
*Bi-directional, differential data strobes (DQS and
DQS(
are transmitted / received with data
*Edge-aligned with Read data and center-aligned with Write data
*DLL aligns DQ and DQS transitions with clock
*Differential clock inputs
*Data masks (DM) for write data
*Commands entered on each positive CLK edge, data and data mask are referenced to both edges
of DQS
*Posted CAS
programmable additive latency supported to make command and data bus efficiency
*Read Latency = Additive Latency plus CAS Latency (RL = AL + CL)
*Off-Chip-Driver impedance adjustment (OCD) and On-Die-Termination (ODT) for better signal
quality
*Auto-precharge operation for read and write bursts
*Auto Refresh and Self Refresh modes
*Precharged Power Down and Active Power Down
*Write Data Mask
*Write Latency = Read Latency - 1 (WL = RL - 1)
*Interface: SSTL_18
*Packaged in WBGA 84 Ball (8X12.5 mm2
), using Lead free materials with RoHS compliant
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