EtronTech
EM68C08CWAE
Figure 45. Burst write with auto-precharge (WR+tRP): WL=4, WR=2, BL=4, tRP=3
T0 T3 T4 T5 T6 T7 T8 T9
T12
CK#
CK
A10=1
Bank A
Active
Post CAS#
WRA Bank A
NOP
NOP
NOP
NOP
NOP
NOP
NOP
CMD
Completion of the Burst Write
Auto Precharge Begins
DQS
DQS#
>=WR
>=tRP
WL= RL-1=4
DNA0 DNA1 DNA2 DNA3
DQ's
>=tRC
Figure 46. Refresh command
T0 T1 T2
T3
Tm
Tn
Tn+1
CK#
CK
HIGH
CKE
>=tRP
>=tRFC
>=tRFC
CMD
Precharge
NOP
NOP
REF
REF
NOP
ANY
Rev. 1.3
56
Oct. /2015