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參數(shù)資料
| 型號(hào)： | 48SD6404 |
| 廠商： | Maxwell Technologies, Inc |
| 英文描述： | CAP 2.2UF 50V CERAMIC MONO 20% |
| 中文描述： | 256 MB的SDRAM的16梅格× 4位× 4，銀行 |
| 文件頁數(shù)： | 31/42頁 |
| 文件大?。?/td> | 596K |
| 代理商： | 48SD6404 |
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48SD6404
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All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
256Mb (16-Meg X 4-Bit X 4-Banks) SDRAM
01.11.05 Rev 2
DQM Control
The DQM mask the upper and lower bytes of the DQ data respectively. 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
Writing
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| 48TQFP | 48 PIN TQFP/TQN PACKAGE OUTLINE |
| 4900 | Dual Winding Surface Mount Inductors |
| 49502-0200 | 1.25 W/B Conn. Housing(New) |
| 49502-0500 | 1.25 W/B Conn. Housing(New) |
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| 48SD6404RPFE | 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 |
| 48SD6404RPFH | 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 |
| 48SD6404RPFI | 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 |
| 48SD6404RPFK | 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 |
| 48SFK0001 | 制造商:MADISON CABLE / TYC 功能描述: |
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