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參數資料
| 型號： | FEDS82V48540-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 393,216-Word 】 32-Bit 】 4-Bank FIFO-SGRAM |
| 中文描述： | 393216詞】32位】4銀行先進先出，SGRAM |
| 文件頁數： | 8/44頁 |
| 文件大小： | 1419K |
| 代理商： | FEDS82V48540-01 |
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FEDS82V48540-01
OKI Semiconductor
SPECIAL READ/WRITE OPERATION
The special read or write operation is activated by executing the Read or Write command after selecting the special
page mode with the Mode Register command.
The automatic bank switching and automatic row address increment operations are activated by executing the
Bank Active command during Special Page mode, and the serial access starts from the address fetched with the
Read or Write command. The burst operation starts from the start address toward the column. When the last
column address is reached, the bank is automatically switched and the row address is also automatically
incremented and the serial access continues from the start column address. The automatic bank switching and
automatic row address increment operations continue until the All Bank Precharge command is executed each time
the last column address is reached.
Since the bank switching and row address increment are automatically made during the special read or write
operation, the row address proceeds as shown in the following figure.
MS82V48540
8/44
Row
Column
Start
address
Note) The circled numbers indicate the orders of row address increment.
0
1535
Operation is ended by input of
All Bank Precharge command.
0
1535
3071
3072
0
256
0
1535
0
1535
0
256
Bank A
BA0 = “L”, BA1 = “L”
Bank C
BA0 = “L”, BA1 = “H”
Bank B
BA0 = “H”, BA1 = “L”
Bank D
BA0 = “H”, BA1 = “H”
3073 3075
3174 3076 3078 3080
3077 3079
6144
6143
0
256
0
256
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