Datasheet

Figure 27. Burst write operation: RL=5 (AL=2, CL=3), WL=4, BL=4
CK#
CK
t
DQSS
CMD
Case 1: with t
DQSS (max)
>=t
WR
T0
T1 T2 T3 T4 T5 T6 T7
Tn
Posted CAS#
WRITE A
NOP NOP NOP NOP NOP NOP NOP
Precharge
t
DSS
t
DQSS
t
DSS
Completion of the
Burst Write
WL = RL-1 =4
DNA
0
DNA
1
DNA
2
DNA
3
DQS
DQS#
>=t
WR
WL = RL-1 =4
DNA
0
DNA
1
DNA
2
DNA
3
DQS
DQS#
t
DQSS
t
DSH
t
DQSS
t
DSH
Case 2: with t
DQSS (min)
DQs
DQs
Figure 28. Burst write operation: RL=3 (AL=0, CL=3), WL=2, BL=4
CK#
CK
<=t
DQSS
CMD
>=t
WR
T0
T1 T2 T3 T4 T5 Tm Tm+1
Tn
WRITE A NOP NOP NOP NOP NOP
Precharge
NOP
Bank A
Activate
Completion of the
Burst Write
WL = RL-1 =2
DNA
0
DNA
1
DNA
2
DNA
3
DQS
DQS#
DQs
>=t
RP
AS4C64M16D2A-25BIN
AS4C64M16D2A-25BCN
Confidential
- 45 of 62 -
Rev.1.1 October 2017