VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'VG4616321B' PDF : 82 Pages View PDF
VIS
Preliminary
Figure 12.2 Random Row Write (Interleaving Banks)
(Brust Length = 4, CAS Latency = 2)
VG4616321B/VG4616322B
262,144x32x2-Bit
CMOS Synchronous Graphic RAM
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
t
CK2
CKE
High
CS
RAS
CAS
WE
DSF
BS
A9
RAx
RBx
RAy
A0 ~ A8
DQM
RAx
CAx
tRCD
RBx
CBx
RAy
tWR* tRP
CAy
tWR*
DQ
Hi-Z
DAx0 DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1 DBx2 DBx3 DBx4 DBx5 DBx6 DBx7 DAy0 DAy1 DAy2 DAy3 DAy4
Activate
Command
Bank A
Write
Command
Bank A
* tWR > tWR(min.)
Activate
Command
Bank B
Write
Command
Bank B
Precharge
Command
Bank A
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
Bank B
Document:1G5-0145
Rev.1
Page 49
Share Link: 
