參數(shù)資料
型號(hào): HYB18T256800AF-3
廠商: INFINEON TECHNOLOGIES AG
英文描述: 256 Mbi t DDR2 SDRAM
中文描述: 256姆噸DDR2內(nèi)存
文件頁數(shù): 49/90頁
文件大?。?/td> 1246K
代理商: HYB18T256800AF-3
HYB18T256400/800/160AF
256Mb DDR2 SDRAM
INFINEON Technologies
Page 49 Rev. 1.02 May 2004
Burst Read with Auto-Precharge followed by an Activation to the Same Bank:
RL = 4 (AL = 1, CL = 3), BL = 8, tRTP <= 2 clocks
Burst Read with Auto-Precharge followed by an Activation to the Same Bank:
RL = 4 (AL = 1, CL = 3), BL = 4, tRTP > 2 clocks
NOP
NOP
NOP
NOP
Bank
Activate
NOP
READ w/AP
Posted CAS
T0
T2
T1
T3
T4
T5
T6
T7
T8
Dout A0
Dout A1
Dout A2
Dout A3
RL = 4
AL = 1
CL = 3
NOP
CMD
DQ
BR-AP413(8)2
A10 ="high"
tRP
Auto-Precharge Begins
DQS,
DQS
NOP
Dout A4
Dout A5
Dout A6
Dout A7
first 4-bit prefetch
second 4-bit prefetch
>= tRTP
AL + BL/2
CK, CK
NOP
NOP
NOP
NOP
Bank
Activate
NOP
READ w/AP
A10 ="high"
Posted CAS
T0
T2
T1
T3
T4
T5
T6
T7
T8
Dout A0
Dout A1
Dout A2
Dout A3
RL = 4
AL = 1
CL = 3
NOP
CMD
DQ
BR-AP4133
Auto-Precharge Begins
DQS,
DQS
NOP
first 4-bit prefetch
tRTP
AL + tRTP + tRP
tRP
CK, CK
相關(guān)PDF資料
PDF描述
HYB18T256800AF-37 256 Mbi t DDR2 SDRAM
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