VG4632321A Datasheet, PDF (78/81 Pages) Vanguard International Semiconductor – 524,288x32x2-Bit CMOS Synchronous Graphic RAM

VIS
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
Figure 26.2. Precharge Termination of a Burst
(Burst Length = 8 or Full Page, 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
CKE
High
tCK2
CS
RAS
CAS
WE
DSF
BS
RAx
A9
RAy
RAz
A0 ~ A8
RAx
CAx
RAy
CAy
RAz
CAz
t_WR
t_RP
t_RP
t_RP
DQM
DQ
DAx0 DAx1 DAx2 DAx3
Ay0 Ay1 Ay2
DAz0 DAz1 DAz2
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
Bank A
Activate
Command
Bank A
Precharge Termination
of a Write Burst.
Write data is masked.
Read
command
Bank A
Precharge
Command
Bank A
Activate
Command
Bank A
Read
Command
Bank A
Precharge
Precharge
Command
Bank A
Termination of
a Read Burst
Document:
Rev.1
Page 53