VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'VG4616321B' PDF : 82 Pages View PDF
VIS
Preliminary
VG4616321B/VG4616322B
262,144x32x2-Bit
CMOS Synchronous Graphic RAM
Figure 10.1 Random Column Write (Page within same Bank)
(Burst Length = 4, CAS Latency = 1)
CLK
CKE
CS
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
tCK1
RAS
CAS
WE
DSF
BS
A9
RBw
RBz
A0 ~ A8
RBw CBw
CBx
CBy
RBz
DQM
DQ
Hi-Z
DBw0 DBw1 DBw2 DBw3 DBx0 DBx1 DBy0 DBy1 DBy2 DBy3
Activate
Command
Bank B
Write
Command
Bank B
Write
Write
Command Command
Bank B Bank B
Precharge
Command
Bank B
Activate
Command
Bank B
CBz
DBz0 DBz1 DBz2 DBz3
Write
Command
Bank B
Document:1G5-0145
Rev.1
Page 42
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