參數(shù)資料
型號: 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): 33/42頁
文件大小: 596K
代理商: 48SD6404
48SD6404
M
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39
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
Initialization sequence: When 200ms or more has past after the power up sequence, all banks must be
precharged using the precharge command (PALL). After t
RP delay, set 8 or more auto refresh commands
(REF). Set the mode register set command (MRS) to initialize the mode register. It is recommended that by
keeping DQM and CKE High, the output buffer becomes High-Z during initialization sequence, to avoid DQ
bus contention on a memory system formed with a number of devices.
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