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參數資料
| 型號： | EDD2516AKTA-E |
| 廠商： | Elpida Memory, Inc. |
| 英文描述： | 256M bits DDR SDRAM (16M words x 16 bits) |
| 中文描述： | 256M比特DDR SDRAM內存（1,600字× 16位） |
| 文件頁數： | 26/49頁 |
| 文件大?。?/td> | 564K |
| 代理商： | EDD2516AKTA-E |
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EDD2516AKTA-E
Data Sheet E0502E30 (Ver. 3.0)
26
Auto Precharge
Read with auto-precharge
The precharge is automatically performed after completing a read operation. The precharge starts tRPD (BL/2)
cycle after READA command input.
tRAP specification for READA allows a read command with auto precharge to be
issued to a bank that has been activated (opened) but has not yet satisfied the tRAS (min) specification. A column
command to the other active bank can be issued the next cycle after the last data output. Read with auto-precharge
command does not limit row commands execution for other bank. Refer to ‘Function truth table and related
note(Notes.*14).
out0
out1
out2
out3
CK
/CK
DQ
Command
tRP (min)
tRAP (min) = tRCD (min)
ACT
Note: Internal auto-precharge starts at the timing indicated by " ".
NOP
2 cycles (= BL/2)
READA
ACT
DQS
tAC,tDQSCK
tRPD
Read with auto-precharge
Write with auto-precharge
The precharge is automatically performed after completing a burst write operation. The precharge operation is
started (BL/ 2 + 3) cycles after WRITA command issued. A column command to the other banks can be issued the
next cycle after the internal precharge command issued. Write with auto-precharge command does not limit row
commands execution for other bank. Refer to the ‘Read with Auto-Precharge Enabled, Write with Auto-Precharge
Enabled’ section. Refer to ‘Function truth table and related note(Notes.*14)‘.
in1
in2
in3
in4
CK
/CK
DQ
Command
DM
tRAS (min)
tRCD (min)
tRP
DQS
ACT
WRITA
ACT
BL/2 + 3 cycles
Note: Internal auto-precharge starts at the timing indicated by " ".
BL = 4
NOP
NOP
Burst Write (BL = 4)
相關PDF資料 |
PDF描述 |
|---|---|
| EDD5104ADTA-6B-E | 512M bits DDR SDRAM |
| EDD5104ADTA-6BL-E | 512M bits DDR SDRAM |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| EDD2516AKTA-LI | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM WTR (Wide Temperature Range) |
| EDD2516AKTA-TI | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM WTR (Wide Temperature Range) |
| EDD2516AMTA | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
| EDD2516AMTA-5 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
| EDD2516AMTA-5B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
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