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參數(shù)資料
| 型號(hào)： | EDD5104ADTA-6BL-E |
| 廠商： | ELPIDA MEMORY INC |
| 元件分類： | DRAM |
| 英文描述： | 512M bits DDR SDRAM |
| 中文描述： | 128M X 4 DDR DRAM, 0.7 ns, PDSO66 |
| 封裝： | LEAD FREE, PLASTIC, TSOP2-66 |
| 文件頁數(shù)： | 19/49頁 |
| 文件大?。?/td> | 568K |
| 代理商： | EDD5104ADTA-6BL-E |
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EDD5104ADTA-E, EDD5108ADTA-E, EDD5116ADTA-E
Preliminary Data Sheet E0501E10 (Ver. 1.0)
19
Auto-refresh command [REF]
This command executes auto-refresh. The banks and the ROW addresses to be refreshed are internally determined
by the internal refresh controller. The average refresh cycle is 7.8
μ
s. The output buffer becomes High-Z after auto-
refresh start. Precharge has been completed automatically after the auto-refresh. The ACT or MRS command can
be issued tRFC
after the last auto-refresh command.
Self-refresh entry [SELF]
This command starts self-refresh. The self-refresh operation continues as long as CKE is held Low. During the self-
refresh operation, all ROW addresses are repeated refreshing by the internal refresh controller. A self-refresh is
terminated by a self-refresh exit command.
Power down mode entry [PDEN]
tPDEN (= 1 cycle) after the cycle when [PDEN] is issued. The DDR SDRAM enters into power-down mode. In
power down mode, power consumption is suppressed by deactivating the input initial circuit. Power down mode
continues while CKE is held Low. No internal refresh operation occurs during the power down mode. [PDEN] do not
disable DLL.
Self-refresh exit [SELFX]
This command is executed to exit from self-refresh mode. To issue non-read commands, tSNR has to be satisfied.
((tSNR =)10 cycles for tCK = 7.5 ns or 12 cycles for tCK = 6.0 ns after [SELFX]) To issue read command, tSRD has
to be satisfied to adjust DOUT timing by DLL. (200 cycles after [SELFX]) After the exit, input auto-refresh command
within 7.8
μ
s.
Power down exit [PDEX]
The DDR SDRAM can exit from power down mode tPDEX (1 cycle min.) after the cycle when [PDEX] is issued.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EDD5104ADTA-7BL-E | AML22 Series, Electronic Control Pushbutton, Square, Standard Bezel, Lighted, 1 LED, DPDT, Momentary Action, Snap in panel mount |
| EDD5104ADTA-7A | 512M bits DDR SDRAM |
| EDD5104ADTA-7A-E | 512M bits DDR SDRAM |
| EDD5104ADTA-7AL | 512M bits DDR SDRAM |
| EDD5104ADTA-7B | 512M bits DDR SDRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EDD5104ADTA-7A | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits DDR SDRAM |
| EDD5104ADTA-7A-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits DDR SDRAM |
| EDD5104ADTA-7AL | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits DDR SDRAM |
| EDD5104ADTA-7AL-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits DDR SDRAM |
| EDD5104ADTA-7B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits DDR SDRAM |
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