參數(shù)資料
型號: MSM5416263
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 262,144-Word ×16-Bit Multiport DRAM(256k字×16位多端口動態(tài)RAM)
中文描述: 262,144字× 16位多端口內(nèi)存(256k字× 16位多端口動態(tài)RAM)的
文件頁數(shù): 13/40頁
文件大?。?/td> 389K
代理商: MSM5416263
Semiconductor
MSM5416263
13/40
Write Cycle Function Table
Code
RWM
BWM
FWM
RW
BW
LMR
LCR
A
DSF
0
0
1
0
0
1
1
RAS
Falling Edge
C
WEL/U
0
0
0
1
1
1
1
D
DQ
Write Mask
Write Mask
Write Mask
X
X
X
X
B
DSF
0
1
X
0
1
0
1
CAS
Falling Edge
E
DQ
Valid Data
Column Mask
X
Valid Data
Column Mask
Write Mask Data
Color Data
Function
Masked Write (New/Old)
Masked Block Write (New/Old)
Masked Flash Write (New/Old)
Normal Write
Block Write
Load Mask Register
Load Color Register
WEL
0
0
1
0
0
1
1
RAS
Falling Edge
WEU
0
1
0
0
1
0
1
DQ0 - 7
Mask
Mask
Mask
DQ8 - 15
Mask
Mask
Mask
MODE
NEW MASK
PERSISTENT MASK
NO MASK
IO MASK DATA: "Low" = Mask, "High" = No Mask
IO WRITE MASK DATA: "Low" = Mask, "High" = No Mask
Column Mask Data
DQ0 - 15
DQ0
DQ1
DQ2
DQ3
Column Mask Data
Column 0 (A0 = 0, A1 = 0)
Column 1 (A0 = 1, A1 = 0)
Column 2 (A0 = 0, A1 = 1)
Column 3 (A0 = 1, A1 = 1)
Low: Mask
High: No Mask
DQ4
DQ5
DQ6
DQ7
Column 0 (A0 = 0, A1 = 0)
Column 1 (A0 = 1, A1 = 0)
Column 2 (A0 = 0, A1 = 1)
Column 3 (A0 = 1, A1 = 1)
Low: Mask
High: No Mask
DQ8
DQ9
DQ10
DQ11
Column 0 (A0 = 0, A1 = 0)
Column 1 (A0 = 1, A1 = 0)
Column 2 (A0 = 0, A1 = 1)
Column 3 (A0 = 1, A1 = 1)
Low: Mask
High: No Mask
DQ12
DQ13
DQ14
DQ15
Column 0 (A0 = 0, A1 = 0)
Column 1 (A0 = 1, A1 = 0)
Column 2 (A0 = 0, A1 = 1)
Column 3 (A0 = 1, A1 = 1)
Low: Mask
High: No Mask
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