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參數(shù)資料
| 型號(hào)： | 48SD3208 |
| 廠商： | Maxwell Technologies, Inc |
| 英文描述： | 256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks |
| 中文描述： | 256 MB的SDRAM的8梅格× 8位× 4，銀行 |
| 文件頁數(shù)： | 28/39頁 |
| 文件大小： | 589K |
| 代理商： | 48SD3208 |
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48SD3208
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All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
256Mb (8-Meg X 8-Bit X 4-Banks) SDRAM
01.10.05 Rev 2
Mode register set to Bank-active interval: The interval between setting the mode register and executing a
bank-active command must be no less than I
RSA.
DQM Control
The DQM mask the bytes of the DQ data. The timing of DQM is different during reading and writing.
Reading: When data is read, the output buffer can be controlled by DQM. By setting DQM to Low, the output
buffer becomes Low-Z, enabling data output. By setting DQM to High, the output buffer becomes High-Z and
the corresponding data is not output. However, internal reading operations continue. The latency of DQM
during reading is 2 clocks.
Writing: Input data can be masked by DQM. By setting DQM to Low, data can be written. In addition, when
DQM is set to High, the corresponding data is not written, and previous data is held. The latency of DQM
during writing is 0 clock.
Reading
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 48SD6404RPFE | CAP 1200PF 100V CERAMIC MONO 5% |
| 48SD6404RPFH | 1500PF 100V 5% MONOLITH CERM CAP |
| 48SD6404RPFI | 256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks |
| 48SD6404RPFK | 256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks |
| 48SD6404 | CAP 2.2UF 50V CERAMIC MONO 20% |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 48SD3208RPFE | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks |
| 48SD3208RPFH | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks |
| 48SD3208RPFI | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks |
| 48SD3208RPFK | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 8-Meg X 8-Bit X 4-Banks |
| 48SD6404 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks |
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