MT41J64M16JT-125G Datasheet, PDF (80/214 Pages) Micron Technology – DDR3 SDRAM MT41J256M4 – 32 Meg x 4 x 8 banks MT41J128M8 – 16 Meg x 8 x 8 banks MT41J64M16 – 8 Meg x 16 x 8 banks

Table 56: Electrical Characteristics and AC Operating Conditions (Continued)
Notes 1–8 apply to the entire table
Parameter
Data setup time to
DQS, DQS#
Base (specification)
Data setup time to
DQS, DQS#
V_REF @ 1 V/ns
Base (specification)
V_REF @ 1 V/ns
Data setup time to
Base (specification)
DQS, DQS#
V_REF @ 1 V/ns
Data hold time from Base (specification)
DQS, DQS#
V_REF @ 1 V/ns
Minimum data pulse width
DQS, DQS# to DQ skew, per access
DQ output hold time from DQS, DQS#
Symbol
t_DS
(AC175)
t_DS
(AC150)
t_DS
(AC135)
t_DH
(DC100)
t_DIPW
t_DQSQ
t_QH
DDR3-800
DDR3-1066
Min Max Min Max
DQ Input Timing
75
–
25
–
250
–
200
–
125
–
75
–
275
–
250
–
–
–
–
–
–
–
–
–
150
–
100
–
250
–
200
–
600
–
490
–
DQ Output Timing
–
200
–
150
0.38
–
0.38
–
DDR3-1333
Min Max
–
–
–
–
30
–
180
–
–
–
–
–
65
–
165
–
400
–
–
125
0.38
–
DQ Low-Z time from CK, CK#
t_{LZDQ –800 400 –600 300 –500 250}
DQ High-Z time from CK, CK#
t_HZDQ
–
400
–
300
–
250
DQ Strobe Input Timing
DQS, DQS# rising to CK, CK# rising
t_{DQSS –0.25 0.25 –0.25 0.25 –0.25 0.25}
DQS, DQS# differential input low pulse width ^tDQSL
0.45 0.55 0.45 0.55 0.45 0.55
DQS, DQS# differential input high pulse
width
t_DQSH
0.45
0.55
0.45
0.55
0.45
0.55
DQS, DQS# falling setup to CK, CK# rising
t_DSS
0.2
–
0.2
–
0.2
–
DQS, DQS# falling hold from CK, CK# rising
t_DSH
0.2
–
0.2
–
0.2
–
DQS, DQS# differential WRITE preamble
t_WPRE
0.9
–
0.9
–
0.9
–
DQS, DQS# differential WRITE postamble
t_WPST
0.3
–
0.3
–
0.3
–
DQ Strobe Output Timing
DQS, DQS# rising to/from rising CK, CK#
t_{DQSCK –400 400 –300 300 –255 255}
DQS, DQS# rising to/from rising CK, CK#
t_DQSCK
1
10
1
10
1
10
when DLL is disabled
(DLL_DIS)
DDR3-1600
Min Max
Unit Notes
–
–
ps 18, 19,
44
–
–
ps 19, 20
10
–
ps 18, 19,
44
160
–
ps 19, 20
–
–
ps 18, 19
–
–
ps 19, 20
45
–
ps 18, 19
145
–
ps 19, 20
360
–
ps
41
–
0.38
–450
–
100
ps
–
t_CK
21
(AVG)
225
ps 22, 23
225
ps 22, 23
–0.27 0.27 CK
25
0.45 0.55 CK
0.45 0.55 CK
0.18
–
CK
25
0.18
–
CK
25
0.9
–
CK
0.3
–
CK
–225 225
ps
23
1
10
ns
26