Datasheet
DODTLoff
t
ADC
Begin point:Rising edge of
CK,CK# defined by the
end point of DODTLoff.
DODTLon
t
ADC
Begin point:Rising edge of
CK,CK# defined by the
end point of DODTLon.
V
RTT_NOM
V
RTT_NOM
V
SW2
V
SW1
V
SSQ
V
SSQ
DQ,DM
DQS, DQS#
End point:Extrapolated
point at V
RTT_NOM
End point:Extrapolated
point at V
SSQ
Figure 174. Definition of tADC at Direct ODT Control
t
ADC
Begin point:Rising edge ofCK,CK#
defined by the end point of ODTLcnw.
t
ADC
Begin point:Rising edge of CK,CK#
defined by the end point of ODTLcwn4
or ODTLcwn8.
V
RTT_NOM
V
RTT_NOM
V
SW2
V
SW1
V
SSQ
V
SSQ
DQ,DM
DQS, DQS#
End point:Extrapolated
point at V
RTT_NOM
End point:Extrapolated
point at V
SSQ
V
DD/2
Figure 175. Definition of tADC at Dynamic ODT Control
AS4C256M16D4
Confidential
- 157 of 201 -
Rev.1.0 Aug.2019