Preliminary
VG3617161DT
16Mb CMOS Synchronous Dynamic RAM
VIS
Auto Precharge after Write Burst (2 of 2)
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
CKE
t
CK3
Start Auto Precharge
Bank B
High
Start Auto Precharge
Bank A
Start Auto Precharge
Bank B
CS
RAS
CAS
WE
A11(BS)
RBa
RBa
RBb
RAa
A10
A0~A9
CBa
RBb
CAa
CAb
CBb
RAa
DQM
DQ
Hi-Z
DBa0
DAb0
DAb1 DAb2 DAb3
DAa3
DBa1 DBa2 DBa3
DBb0 DBb1 DBb2 DBb3
DAa0 DAa1
Activate
DAa2
Activate
Command
Bank B
Write with
Auto precharge
Command
Activate
Command
Bank A
Write with
Write with
Auto Precharge
Command
Auto Precharge
Command
Bank B
Command
Bank B
Bank B
Bank A
Write
Command
Bank A
Document:1G5-0160
Rev.1
Page 59
VML [ VANGUARD INTERNATIONAL SEMICONDUCTOR ]
