EtronTech
EM68C08CWAE
Figure 55. Refresh command to power-down entry
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
CK#
CK
REF
CMD
CKE
CKE can go to LOW one clock after an Auto-refresh command
tIS
Figure 56. Active command to power-down entry
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
CMD
CKE
ACT
CKE can go to LOW one clock after an Active command
tIS
Figure 57. Precharge/precharge-all command to power-down entry
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
PR or PRA
CMD
CKE
CKE can go to LOW one clock after a Precharge or Precharge all command
tIS
Figure 58. MRS/EMRS command to power-down entry
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
MRS or
EMRS
CMD
tMRD
CKE
tIS
Rev. 1.3
61
Oct. /2015
ETRON [ ETRON TECHNOLOGY, INC. ]
