參數(shù)資料
型號: EDE2104ABSE
廠商: Elpida Memory, Inc.
英文描述: 2G bits DDR2 SDRAM
中文描述: 第二代位DDR2 SDRAM內(nèi)存
文件頁數(shù): 47/81頁
文件大?。?/td> 604K
代理商: EDE2104ABSE
EDE2104ABSE, EDE2108ABSE
For proper operation of adjust mode, WL = RL
1 = AL + CL
1 clocks and tDS/tDH should be met as the Output
Impedance Control Register Set Cycle. For input data pattern for adjustment, DT0 to DT3 is a fixed order and not
affected by MRS addressing mode (i.e. sequential or interleave).
Preliminary Data Sheet E1196E10 (Ver. 1.0)
47
Command
EMRS
OCD adjust mode
OCD calibration mode exit
NOP
DT0
tDS tDH
DT1
DT2
DT3
NOP
EMRS
CK
/CK
WL
tWR
DQS, /DQS
DQ_in
Output Impedance Control Register Set Cycle
Drive Mode
Drive mode, both drive (1) and drive (0), is used for controllers to measure DDR2 SDRAM Driver impedance before
OCD impedance adjustment. In this mode, all outputs are driven out tOIT after “Enter drive mode” command and all
output drivers are turned-off tOIT after “OCD calibration mode exit” command as the ”O(jiān)utput Impedance
Measurement/Verify Cycle”.
Command
Enter drivemode
OCD Calibration mode exit
NOP
CK
/CK
DQS, /DQS
High-Z
High-Z
DQs high for drive (1)
DQs low for drive (0)
tOIT
DQ
EMRS
EMRS
tOIT
DQs high and /DQS low for drive (1), DQs low and /DQS high for drive (0)
Output Impedance Measurement/Verify Cycle
相關(guān)PDF資料
PDF描述
EDE2104ABSE-5C-E 2G bits DDR2 SDRAM
EDE2104ABSE-6E-E 2G bits DDR2 SDRAM
EDE2104ABSE-8G-E 2G bits DDR2 SDRAM
EDE2108ABSE 2G bits DDR2 SDRAM
EDE2108ABSE-5C-E 2G bits DDR2 SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EDE2104ABSE-5C-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2G bits DDR2 SDRAM
EDE2104ABSE-6E-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2G bits DDR2 SDRAM
EDE2104ABSE-8G-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2G bits DDR2 SDRAM
EDE2108ABSE 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2G bits DDR2 SDRAM
EDE2108ABSE-5C-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:2G bits DDR2 SDRAM