參數(shù)資料
型號(hào): HYB25D256160BTL-5A
廠商: INFINEON TECHNOLOGIES AG
英文描述: 256MBit Double Data Rata SDRAM
中文描述: 片256Mbit SDRAM的雙倍數(shù)據(jù)拉塔
文件頁數(shù): 47/94頁
文件大小: 3326K
代理商: HYB25D256160BTL-5A
Data Sheet
51
Rev. 1.6, 2004-12
HYB25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Functional Description
Figure 26
Write to Precharge: Non-Interrupting (Burst Length = 4)
T1
T2
T3
T4
T5
T6
tDQSS (max)
NOP
Write
DI a-b
PRE
DI a-b = data in for bank a, column b.
3 subsequent elements of data in are applied in the programmed order following DI a-b.
A non-interrupted burst is shown.
tWR is referenced from the first positive CK edge after the last data in pair.
A10 is Low with the Write command (Auto Precharge is disabled).
CK
Command
Address
DQS
DQ
DM
Don’t Care
BA a, COL b
BA (a or all)
tWR
Maximum DQSS
T1
T2
T3
T4
T5
T6
NOP
Write
PRE
CK
Command
Address
BA a, COL b
BA (a or all)
tWR
Minimum DQSS
DI a-b
DQS
DQ
DM
tDQSS (min)
tRP
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