Table 56: Electrical Characteristics and AC Operating Conditions (Continued)
Notes 1–8 apply to the entire table
DDR3-800
Min Max
DDR3-1066
Min Max
DDR3-1333
Min Max
DDR3-1600
Min Max
Parameter
Symbol
Unit Notes
WRITE with auto
BL8 (OTF, MRS)
tWRAP-
MIN = WL + 4 + WR + 1
CK
precharge command to BC4OTF
power-down entry
DEN
tWRAP-
DEN
BC4MRS
MIN = WL + 2 + WR + 1
CK
CK
Power-Down Exit Timing
DLL on, any valid command, or DLL off to
commands not requiring locked DLL
tXP
MIN = greater of 3CK or 7.5ns;
MAX = n/a
MIN = greater of 3CK or 6ns;
MAX = n/a
Precharge power-down with DLL off to
commands requiring a locked DLL
tXPDLL
MIN = greater of 10CK or 24ns; MAX = n/a
CK
28
ODT Timing
R
R
R
R
TT synchronous turn-on delay
ODTLon
ODTLoff
tAON
tAOF
tAONPD
CWL + AL - 2CK
CWL + AL - 2CK
CK
CK
ps
38
40
TT synchronous turn-off delay
TT turn-on from ODTL on reference
TT turn-off from ODTL off reference
–400
0.3
400
0.7
–300
0.3
300
0.7
–250
0.3
250
0.7
–225
0.3
225
0.7
23, 38
39, 40
38
CK
ns
Asynchronous RTT turn-on delay
(power-down with DLL off)
MIN = 2; MAX = 8.5
MIN = 2; MAX = 8.5
MIN = 6; MAX = n/a
MIN = 4; MAX = n/a
Asynchronous RTT turn-off delay
(power-down with DLL off)
tAOFPD
ODTH8
ODTH4
ns
CK
CK
40
ODT HIGH time with WRITE command and
BL8
ODT HIGH time without WRITE command or
with WRITE command and BC4
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
CK
4CK + ODTLoff
6CK + ODTLoff
0.3
0.7
0.3
0.7
0.3
0.7
0.3
0.7
39
Write Leveling Timing
First DQS, DQS# rising edge
DQS, DQS# delay
tWLMRD
tWLDQSEN
tWLS
40
25
–
–
–
40
25
–
–
–
40
25
–
–
–
40
25
–
–
–
CK
CK
ps
Write leveling setup from rising CK, CK#
crossing to rising DQS, DQS# crossing
325
245
195
165
MICRON [ MICRON TECHNOLOGY ]
