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参数资料
| 型号： | 48SD6404RPFE |
| 厂商： | MAXWELL TECHNOLOGIES |
| 元件分类： | DRAM |
| 英文描述： | CAP 1200PF 100V CERAMIC MONO 5% |
| 中文描述： | 64M X 4 SYNCHRONOUS DRAM, 6 ns, DFP72 |
| 封装： | DFP-72 |
| 文件页数： | 8/42页 |
| 文件大小： | 596K |
| 代理商： | 48SD6404RPFE |
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48SD6404
M
em
o
ry
16
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
To [ACTV]: This command makes the other bank active. ( However, an interval of t
RRD is required.)
Attempting to make the currently active bank active results in an illegal command.
To [PRE], [PALL]: These commands set the SDRAM to precharge mode. (However, an interval of t
RAS is
required.)
From READ state, command operation
To [DESL], [NOP]: These commands continue read operations until the operation is completed.
To [READ], [READ A]: Data output by the previous read command continues to be output. After CAS
latency, the data output resulting from the next command will start.
To [WRIT], [WRIT A]: These commands stop a burst read, and start a write cycle.
To [ACTV]: This command makes other banks bank active. (However, an interval of t
RRD is required.)
Attempting to make the currently active bank active results in an illegal command.
To [PRE], [PALL]: These commands stop a burst read, and the SDRAM enters precharge mode.
From READ with AUTO-PRECHARGE state, command operation
To [DESL], [NOP]: These commands continue read operations until the burst operation is completed, and
the SDRAM then enters precharge mode.
To [ACTV]: This command makes other banks active. (However, an interval of t
RRD is required.) Attempting
to make the currently active bank active results in an illegal command.
From WRITE state, command operation
To [DESL], [NOP]: These commands continue write operations until the burst operation is completed.
To [READ], [READ A]: These commands stop a burst and start a read cycle.
To [WRIT], [WRIT A]: These commands stop a burst and start the next write cycle.
To [ACTV]: This command makes the other bank active. (However, an interval of t
RRD is required.)
Attempting to make the currently active bank active results in an illegal command.
To [PRE], [PALL]: These commands stop burst write and the SDRAM then enters precharge mode.
From WRITE with AUTO-PRECHARGE state, command operation
To [DESL], [NOP]: These commands continue write operations until the burst is completed, and the
synchronous DRAM enters precharge mode.
To [ACTV]: This command makes the other bank active. (However, an interval of t
RRD is required.)
Attempting to make the currently active bank active result in an illegal command.
From REFRESH state, command operation
To [DESL], [NOP]: After an auto-refresh cycle (after t
RC) the SDRAM automatically enters the IDLE state.
相关PDF资料 |
PDF描述 |
|---|---|
| 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% |
| 48TQFP | 48 PIN TQFP/TQN PACKAGE OUTLINE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 48SD6404RPFH | 制造商:MAXWELL 制造商全称:Maxwell Technologies 功能描述:256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks |
| 48SD6404RPFI | 制造商:MAXWELL 制造商全称:Maxwell Technologies 功能描述:256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks |
| 48SD6404RPFK | 制造商:MAXWELL 制造商全称: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: |
| 48SFKLF001 | 制造商:MADISON CABLE / TYC 功能描述: |
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