Table 57: Electrical Characteristics and AC Operating Conditions for Speed Extensions (Continued)
Notes 1–8 apply to the entire table
DDR3-1866
DDR3-2133
Parameter
Symbol
Min
Max
Min
Max
Unit Notes
ODT HIGH time without WRITE command or
with WRITE command and BC4
ODTH4
MIN = 4; MAX = n/a
CK
Dynamic ODT Timing
RTT,nom-to-RTT(WR) change skew
RTT(WR)-to-RTT,nom change skew - BC4
RTT(WR)-to-RTT,nom change skew - BL8
RTT dynamic change skew
ODTLcnw
ODTLcwn4
ODTLcwn8
tADC
WL - 2CK
CK
CK
CK
4CK + ODTLoff
6CK + ODTLoff
0.3
0.7
0.3
0.7
CK
39
Write Leveling Timing
First DQS, DQS# rising edge
DQS, DQS# delay
tWLMRD
tWLDQSEN
tWLS
40
25
–
–
–
40
25
–
–
–
CK
CK
ps
Write leveling setup from rising CK, CK#
crossing to rising DQS, DQS# crossing
140
125
Write leveling hold from rising DQS, DQS#
crossing to rising CK, CK# crossing
tWLH
140
–
125
–
ps
Write leveling output delay
Write leveling output error
tWLO
tWLOE
0
0
7.5
2
0
0
7
2
ns
ns