MT41J128M16HA-15ED Datasheet, PDF (78/211 Pages) Micron Technology – DDR3 SDRAM MT41J512M4 – 64 Meg x 4 x 8 Banks MT41J256M8 – 32 Meg x 8 x 8 Banks MT41J128M16 – 16 Meg x 16 x 8 Banks

Table 56: Electrical Characteristics and AC Operating Conditions (Continued)
Notes 1–8 apply to the entire table
Parameter
DQS, DQS# differential output high time
DQS, DQS# differential output low time
DQS, DQS# Low-Z time (RL - 1)
DQS, DQS# High-Z time (RL + BL/2)
DQS, DQS# differential READ preamble
DQS, DQS# differential READ postamble
DLL locking time
CTRL, CMD, ADDR
setup to CK,CK#
Base (specification)
CTRL, CMD, ADDR
setup to CK,CK#
V_REF @ 1 V/ns
Base (specification)
V_REF @ 1 V/ns
CTRL, CMD, ADDR hold Base (specification)
from CK,CK#
V_REF @ 1 V/ns
Minimum CTRL, CMD, ADDR pulse width
ACTIVATE to internal READ or WRITE delay
PRECHARGE command period
ACTIVATE-to-PRECHARGE command period
ACTIVATE-to-ACTIVATE command period
ACTIVATE-to-ACTIVATE x4/x8 (1KB page
minimum command size)
period
x16 (2KB page size)
Four ACTIVATE
windows
x4/x8 (1KB page
size)
x16 (2KB page size)
Write recovery time
Delay from start of internal WRITE
transaction to internal READ command
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Symbol Min Max Min Max Min Max Min Max
t_QSH
0.38
–
0.38
–
0.40
–
0.40
–
t_QSL
0.38
–
0.38
–
0.40
–
0.40
–
t_{LZDQS –800 400 –600 300 –500 250 –450 225}
t_HZDQS
–
400
–
300
–
250
–
225
t_RPRE
0.9 Note 24 0.9 Note 24 0.9 Note 24 0.9 Note 24
t_RPST
0.3 Note 27 0.3 Note 27 0.3 Note 27 0.3 Note 27
Command and Address Timing
t_DLLK
512
–
512
–
512
–
512
–
t_IS
200
–
125
–
65
–
45
–
(AC175)
375
–
300
–
240
–
220
–
t_IS
350
–
275
–
190
–
170
–
(AC150)
500
–
425
–
340
–
320
–
t_IH
275
–
200
–
140
–
120
–
(DC100) ₃₇₅
–
300
–
240
–
220
–
t_IPW
900
–
780
–
620
–
560
–
t_RCD
See Speed Bin Tables (page 71) for ^tRCD
t_RP
See Speed Bin Tables (page 71) for ^tRP
t_RAS
See Speed Bin Tables (page 71) for ^tRAS
t_RC
See Speed Bin Tables (page 71) for ^tRC
t_RRD
MIN = greater of MIN = greater of MIN = greater of MIN = greater of
4CK or 10ns
4CK or 7.5ns
4CK or 6ns
4CK or 6ns
MIN = greater of 4CK or 10ns
MIN = greater of 4CK or 7.5ns
t_FAW
40
–
37.5
–
30
–
30
–
Unit
CK
CK
ps
ps
CK
CK
CK
ps
ps
ps
ps
ps
ps
ps
ns
ns
ns
ns
CK
CK
ns
Notes
21
21
22, 23
22, 23
23, 24
23, 27
28
29, 30,
44
20, 30
29, 30,
44
20, 30
29, 30
20, 30
41
31
31
31, 32
31, 43
31
31
31
50
t_WR
t_WTR
–
50
–
45
–
40
MIN = 15ns; MAX = n/a
MIN = greater of 4CK or 7.5ns; MAX = n/a
–
ns
31
ns 31, 32,
33,34
CK 31, 34