VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'VG4616321B' PDF : 82 Pages View PDF
VIS
Preliminary
Figure 11.3 Random Row Read (Interleaving Banks)
(Burst Length = 8, CAS Latency = 3)
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
CK3
CKE
High
CS
RAS
CAS
WE
DSF
BS
A9
RBx
RAx
RBy
A0 ~ A8
RBx
CBx
RAx
CAx
DQM
tRCD
tAC3
RBy
CBy
tRP
DQ
Hi-Z
Bx0 Bx1 Bx2 Bx3 Bx4 Bx5 Bx6 Bx7 Ax0 Ax1 Ax2 Ax3 Ax4 Ax5 Ax6 Ax7 By0
Activate
Command
Bank B
Read
Command
Bank B
Activate
Command
Bank A
Read
Command
Precharge
Command
Bank A Bank B
Activate
Command
Bank B
Read Precharge
Command Command
Bank B Bank A
Document:1G5-0145
Rev.1
Page 47
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