Datasheet

Figure 45. Burst write with auto-precharge (WR+t
RP
): WL=4, WR=2, BL=4, t
RP
=3
CK#
CK
CMD
T0 T3 T6 T7 T8 T9 T12T4 T5
Post CAS#
WRA Bank A
NOP NOP NOP NOP NOP NOP NOP
Bank A
Active
DQS
DQS#
DNA
0
DNA
1
DNA
2
DNA
3
DQ's
Auto Precharge Begins
WL= RL-1=4
Completion of the Burst Write
A10 = 1
>=WR >=t
RP
>=t
RC
Figure 46. Refresh command
CK#
CK
CKE
T0 T1 Tm
Tn Tn+1
T2 T3
Precharge
NOP NOP REF REF NOP ANY
CMD
HIGH
>=t
RP
>=t
RFC
>=t
RFC
AS4C128M16D2A-25BCN
AS4C128M16D2A-25BIN
Confidential
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Rev.1.0 Dec 2015