VG36641641DT-6 Powerchip, VG36641641DT-6 Datasheet - Page 33

• Manufacturer Part Number: VG36641641DT-6
• Description: CMOS Synchronous Dynamic RAM
• Manufacturer: Powerchip

VIS
Document :1G5-0177
Power on Sequence and Auto Refresh (CBR)
BS0, 1
DQM
ADD
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
Hi-Z
Inputs
must
for 200us
be stable
T0 T1 T2 T3 T4 T5 T6 T7
High Level is Necessary
Precharge
Command
All Banks
High level
is required
t
RP
1st Auto
Refresh
Command
Minimum of 8 Refresh Cycles are required
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
VG36644041DT / VG36648041DT / VG36641641DT
Rev.5
2nd Auto
Refresh
Command
t
RC
CMOS Synchronous Dynamic RAM
Mode
Set Command
Address Key
Register
t
RSC
Command
Page 33