Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
VIS
Figure 16.2 Auto Precharge after Read Burst (Burst Length = 4, CAS Latency = 2)
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
DSF
WE
BS
RAx
RAx
RBx
RBx
RAz
RAz
RBy
RBy
A9
RAy
CBy
CAz
CBx
CAx
A0 ~ A8
DQM
Hi-Z
DQ
Ay0
Ay2
By2
Ay1
By0
Az2
Az1
Ax0
Ax2 Ax3
Bx2 Bx3
Bx0 Bx1
Ay3
By1
Ax1
By3 Az0
Activate
Command
Bank A
Read with
Read with
Read with
Read with
Activate
Command
Bank A
Activate
Command
Bank B
Read with
Command
Bank A
Activate
Command
Bank B
Auto Precharge
Command
Auto Precharge
Auto Precharge
Auto Precharge
Command
Bank A
Command
Bank A
Command
Bank B
Bank B
Document:
Rev.1
Page35