VIS
Preliminary
VG4616321B/VG4616322B
262,144x32x2-Bit
CMOS Synchronous Graphic RAM
Figure 16.3 Auto Precharge after Read Burst (Burst Length = 4, CAS Latency = 3)
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
RAx
RBx
RBy
A0 ~ A8
RAx
CAx RBx
CBx
CAy
RBy
CBy
DQM
Hi-Z
Activate
Command
Bank A
Ax0 Ax1 Ax2 Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3
Activate
Command
Read Bank B
Command
Bank A
Read with
Auto Precharge
Command
Bank B
Read with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Read with
Auto Precharge
Command
Bank B
BY0 BY1 BY2 BY3
Document:1G5-0145
Rev.1
Page 62