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日期:2025-05-02
DDR-SDRAM Layout Considerations for MCF547x/8x Processors, Rev. 1 DDR SDRAM Overview 4 Freescale Semiconductor resistors, both series (22 ohm) and parallel (51 ohm), to most of the DDR SDRAM signals between the MPU and the DDR SDRAM. On the ......
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日期:2025-04-26
上一篇主題:: 下一篇主題 發表人 內容 yuan V0 註冊時間: 2006-05-04 文章: 4 發表於: 星期三 五月 24, 2006 1:52 pm 文章主題: DDR RAM的LAYOUT 我今天要LAYOUT八層板,想要 請教大大有沒有人會PCB LAYOUT的 DDR RAM, 可以指導一下嗎...
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日期:2025-04-26
... DDR SDRAM layout considerations 2010-02-18 15:05 Hello, > With two SDRAM in TSOP66 package with > 22.2 mm body length, SDRAM trace length will reach 3 inches from FPGA to > PAD well, depending on how the SDRAMs are placed and how the > ......
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日期:2025-04-27
[SI-LIST] Re: DDR SDRAM layout considerations From: "Prakash Chauhan" To: Date: Mon, 15 Sep 2003 18:15:04 -0400 Ken, In DDR the DQS (strobe) to Data relationship is asymmetric. i.e. on ......
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日期:2025-04-29
[SI-LIST] Re: DDR SDRAM layout considerations From: "john lipsius" To: Date: Mon, 15 Sep 2003 22:43:41 -0700 Ken, Taking you at your word, a random characteristic for errors indicates to me one or more of ......
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日期:2025-04-30
Appendix B. DDR SDRAM on the Nios Development Board, Cyclone II Edition Appendix C. HardCopy II Design Walkthrough ... layout represents the die as viewed from above. A byte group consists of four or eight DQ pins, a DM pin, and a DQS pin. 1 IP preset. .....
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日期:2025-04-25
Does anyone has Orcad layout of a PC2100 DDR sdram module? does not have to be efficient layout - however, efficient layout would be really nice. I need the layout to test signal length calculation program. PCB Routing Schematic Layout software and0810 .....