AS4C64M8D2
Figure 52. 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 53. 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 54. 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 55. MRS/EMRS command to power-down entry
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
MRS or
EMRS
CMD
CKE
tMRD
tIS
Confidential
56
Rev. 1.0
Feb. /2014
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
