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 13.2 Read and Write Cycle (Burst Length = 4, CAS Latency = 2)
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
t
CK2
CS
RAS
CAS
WE
DSF
BS
A9
RAx
A0 ~ A8
RAx
CAx
CAy
DQM
DQ
Hi-Z
Ax0 Ax1 Ax2 Ax3
DAy0 DAy1
DAy3
Activate
Read
Command Command
Bank A
Bank A
Write The Write Data
Command is Masked with a
Bank A Zero Clock
Latency
CAz
Az0 Az1
Az3
Read
Command
Bank A
The Read Data
is Masked with a
Two Clock
Latency
Document:1G5-0145
Rev.1
Page 52
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