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 13.3 Read and Write Cycle (Burst Length = 4, CAS Latency = 3)
CLK
CKE
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
tCK3
CS
RAS
CAS
WE
DSF
BS
A9
RAx
A0 ~ A8
RAx
CAx
CAy
CAz
DQM
DQ
Hi-Z
Activate
Command
Bank A
Ax0 Ax1 Ax2 Ax3
DAy0 DAy1
DAy3
Az0 Az1
Az3
Read
Command
Bank A
Write The Write Data
Command is Masked with a
Bank A Zero Clock
Latency
Read
Command
Bank A
The Read Data
is Masked with a
Two Clock
Latency
Document:1G5-0145
Rev.1
Page 53
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