參數(shù)資料
型號(hào): EDS2516APSA
廠商: Elpida Memory, Inc.
英文描述: 256M bits SDRAM
中文描述: 256M比特內(nèi)存
文件頁(yè)數(shù): 14/50頁(yè)
文件大小: 703K
代理商: EDS2516APSA
EDS2516CDTA
Prelimimary Data Sheet E0545E40 (Ver. 4.0)
14
Row address strobe and bank activate [ACT]
This command activates the bank that is selected by BA0, BA1 and determines the row address (A0 to A12). (See
Bank Select Signal Table)
Precharge selected bank [PRE]
This command starts precharge operation for the bank selected by BA0, BA1. (See Bank Select Signal Table)
[Bank Select Signal Table]
BA0
BA1
Bank 0
L
L
Bank 1
H
L
Bank 2
L
H
Bank 3
H
H
Remark: H: VIH. L: VIL.
Precharge all banks [PALL]
This command starts a precharge operation for all banks.
Refresh [REF/SELF]
This command starts the refresh operation. There are two types of refresh operation, the one is auto-refresh, and
the other is self-refresh. For details, refer to the CKE truth table section.
Mode register set [MRS]
The SDRAM has a mode register that defines how it operates. The mode register is specified by the address pins
(A0 to BA0 and BA1) at the mode register set cycle. For details, refer to the Mode Register Configuration. After
power on, the contents of the mode register are undefined, execute the mode register set command to set up the
mode register.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EDS2516APSA-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM
EDS2516APSA-75L 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM
EDS2516APSA-7A 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM
EDS2516APSA-7AL 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM
EDS2516APTA 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM