EtronTech
EM68916CWQA
Figure 12. ODT update delay timing-tMOD, as measured from outside
CK#
CK
EMRS
NOP
NOP
NOP
NOP
NOP
CMD
ODT
tIS
tAOND
tAOFD
tMOD, max
Rtt
Old setting
New setting
NOTE 1: EMRS command directed to EMR(1), which updates the information in EMR(1)[A6,A2], i.e. Rtt (Nominal).
NOTE 2: "setting" in this diagram is measured from outside.
Figure 13. ODT timing for active standby mode
T0
T1
T2
T3
T4
T5
T6
CK#
CK
tIS
CKE
tIS
tIS
VIH(ac)
VIL(ac)
ODT
tAOND
tAOFD
RTT
Internal
Term Res.
tAON,min
tAOF,min
tAON,max
tAOF,max
Etron Confidential
36
Rev. 1.1
Apr. 2009