K4H511638J -- 512Mb C-die DDR SDRAM Specification
Features
• VDD : 2.5V ± 0.2V, VDDQ : 2.5V ± 0.2V for DDR266, 333
• VDD : 2.6V ± 0.1V, VDDQ : 2.6V ± 0.1V for DDR400
• Double-data-rate architecture; two data transfers per clock cycle
• Bidirectional data strobe [DQS] (x4,x8) & [L(U)DQS] (x16)
• Four banks operation
• Differential clock inputs(CK and CK)
• DLL aligns DQ and DQS transition with CK transition
• MRS cycle with address key programs
-. Read latency : DDR266(2, 2.5 Clock), DDR333(2.5 Clock), DDR400(3 Clock)
-. Burst length (2, 4, 8)
-. Burst type (sequential & interleave)
• All inputs except data & DM are sampled at the positive going edge of the system clock(CK)
• Data I/O transactions on both edges of data strobe
• Edge aligned data output, center aligned data input
• LDM,UDM for write masking only (x16)
• DM for write masking only (x4, x8)
• Auto & Self refresh
• 7.8us refresh interval(8K/64ms refresh)
• Maximum burst refresh cycle : 8
• 66pin TSOP II Pb-Free package
• RoHS compliant
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【買家必讀】：電子元器件是專業型的產品，技術含量較高，本身可能存在多種品牌，後輟與封裝，可能導致參數與性能的差異，如有不慎，很有可能導致元器件購買錯誤，為了更好的解決您的問題，所以請您務必在下单前，將產品的封裝、後綴告訴我們。以便我們能準確迅速的为您查询。
由于客户采购批量与样品的价格不同，网上无法统一注明，请您把采购型号通过页面旺旺或客服 QQ 401799895 或拨打国内销售部电话：0755-83957301，由客服人员为您报价；有时元件厂商价格稍许变动，本公司未能及时调整，如您觉得售价稍高，请与我们说明并适当议价，我们会根据市场情况给您相应的折扣，我们保证提供最市场最优势的价格最好元器件；感谢支持（所售元件均无含税，需开普票7%和增值票17%的客户请说明）
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