MSM548263-80JS View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
MFG CO.
'MSM548263-80JS' PDF : 40 Pages View PDF
¡ Semiconductor
MSM548263
Write Cycle Function Table
RAS Falling Edge
Code A C
D
DSF WE
DQ
RWM 0 0 Write Mask
BWM 0 0 Write Mask
FWM 1 0 Write Mask
RW 0 1
X
BW 0 1
X
LMR 1 1
X
LCR 1 1
X
CAS Falling Edge
B
E
DSF
DQ
0
Valid Data
1
Column Mask
X
X
0
Valid Data
1
Column Mask
0 Write Mask Data
1
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
WRITE MASK DATA: "Low" = Mask, "High" = No Mask
Column Mask Data
DQ1 - 4
DQ1
DQ2
DQ3
DQ4
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
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