VG36641641DT-6 Powerchip, VG36641641DT-6 Datasheet - Page 61

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

VIS
Document :1G5-0177
Full Page Write Cycle (1 of 2)
* BS1=”L”, Bank C,D = Idle
*BS0
DQM
ADD
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
High
Hi-Z
Command
Activate
Bank A
Ra
Ra
T0 T1 T2 T3 T4 T5 T6 T7
t
Command
CK2
Bank A
Write
QAa
Ca
QAa+1
Command
Bank B
Activate
QAa+2 QAa+3 QAa-1 QAa
Ra
Ra
The burst counter wraps
from the highest order
page address back to zero
during this time interval
QAa+1
Command
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Write
QBa
Bank B
Ca
QBa+1 QBa+2 QBa+3 QBa+4 QBa+5
VG36644041DT / VG36648041DT / VG36641641DT
Rev.5
Full page burst operation
does not terminate when
the burst length is satisfied;
the burst counter increments
and continues bursting
beginning with the starting
address
Data is ignored
Burst Length=Full Page, CAS Latency=2
CMOS Synchronous Dynamic RAM
QBa+6
Burst Stop
Command
t
BDL
Precharge
Command
Bank B
Command
Activate
Bank B
Rb
Rb
Page 61