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參數(shù)資料
| 型號： | 97SD3232 |
| 廠商： | Maxwell Technologies, Inc |
| 英文描述： | 1 Gb SDRAM 8-Meg X 32 Bit X 4-Banks |
| 中文描述： | 1千兆內(nèi)存8梅格× 32位× 4，銀行 |
| 文件頁數(shù)： | 11/39頁 |
| 文件大小： | 764K |
| 代理商： | 97SD3232 |
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97SD3232
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All data sheets are subject to change without notice
2005 Maxwell Technologies
All rights reserved.
1 Gb (8-Meg X 32-Bit X 4-Banks) SDRAM
01.11.05 Rev 2
Operation of the SDRAM
The following section shows operation examples of 97SD3232.
Note: The SDRAM should be used according to the product capability ( See Pin Description and AC
Characteristics.)
Read/Write Operations:
Bank Active: Before executing a read or write operation, the corresponding bank and the row address must
be activated by the bank active (ACTV) command. An interval of t
RCD is required between the bank active
command input and the following read/write command input.
Read operation: A read operation starts when a read command is input. The output buffer becomes Low-Z
in the (CAS latency - 1) cycle after read command set. The SDRAM can perform a burst read operation.
The burst length can be set to 1, 2, 4, or 8. The start address for a burst read is specified by the column
address and the bank select address (BA0/BA1) at the read command set cycle. In a read operation, data
output starts after the number of clocks specified by the CAS latency. The CAS latency can be set to 2 or 3.
When the burst length is 1, 2, 4, or 8, the D
OUT buffer automatically becomes High-Z at the next clock after
the successive burst-length data has been output.
The CAS latency and burst length must be specified at the mode register.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 97SD3240RPQE | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQH | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQI | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240RPQK | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
| 97SD3240 | 1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 97SD3232RPME | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1 Gb SDRAM 8-Meg X 32 Bit X 4-Banks |
| 97SD3232RPMH | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1 Gb SDRAM 8-Meg X 32 Bit X 4-Banks |
| 97SD3232RPMI | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1 Gb SDRAM 8-Meg X 32 Bit X 4-Banks |
| 97SD3232RPMK | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1 Gb SDRAM 8-Meg X 32 Bit X 4-Banks |
| 97SD3240 | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:1.25Gb SDRAM 8-Meg X 40-Bit X 4-Banks |
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