MT46H8M32LFB5-6IT:H Micron Technology Inc, MT46H8M32LFB5-6IT:H Datasheet - Page 25

• Manufacturer Part Number: MT46H8M32LFB5-6IT:H
• Description: MICMT46H8M32LFB5-6_IT:H MDDDR
• Manufacturer: Micron Technology Inc

Table 9: Electrical Characteristics and Recommended AC Operating Conditions (Continued)
Notes 1–9 apply to all parameters in this table; V
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. I 09/10 EN
Parameter
Data valid output window
Half-clock period
Data-out High-Z
window from
CK/CK#
Data-out Low-Z window
from CK/CK#
Address and
control input hold
time
Address and
control input hold
time
Address and
control input setup
time
Address and
control input setup
time
Address and control input
pulse width
LOAD MODE REGISTER
command cycle time
DQ–DQS hold, DQS to first
DQ to go nonvalid, per ac-
cess
Data hold skew factor
ACTIVE-to-PRECHARGE
command
ACTIVE to ACTIVE/ACTIVE to
AUTO REFRESH command
period
Active-to-read or write de-
lay
Refresh period
Average periodic refresh
interval
AUTO REFRESH command
period
CL = 3
CL = 2
slew
slow
slew
slew
slow
slew
rate
rate
rate
rate
fast
fast
Symbol
t
DVW
t
t
t
t
t
t
MRD
t
t
t
t
QHS
RCD
REFI
t
t
IPW
RAS
t
t
t
REF
RFC
t
QH
IH
IH
HP
HZ
RC
LZ
IS
IS
F
S
F
S
t
t
Min
t
t
QHS
HP -
CH,
t
1.0
0.9
1.1
0.9
1.1
2.3
QH -
40
55
15
72
CL
2
–
–
–
–
–
-5
Electrical Specifications – AC Operating Conditions
t
DD
DQSQ
70,000
Max
/V
5.0
6.5
0.5
7.8
64
–
–
–
–
–
–
–
–
–
–
–
–
DDQ
= 1.70–1.95V
t
t
Min
58.2
16.2
t
t
QHS
HP -
CH,
t
1.0
1.0
1.2
1.0
1.2
2.5
QH -
42
72
CL
25
2
–
–
–
–
–
-54
t
256Mb: x16, x32 Mobile LPDDR SDRAM
DQSQ
70,000
Max
5.0
6.5
0.5
7.8
64
–
–
–
–
–
–
–
–
–
–
–
–
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
t
Min
t
t
QHS
HP -
CH,
t
1.0
1.0
1.2
1.1
1.2
2.6
QH -
42
60
18
72
CL
2
–
–
–
–
–
-6
t
DQSQ
70,000
Max
0.65
5.0
6.5
7.8
64
–
–
–
–
–
–
–
–
–
–
–
–
t
t
Min
67.5
22.5
t
t
QHS
HP -
CH,
t
1.0
1.3
1.5
1.3
1.5
2.6
QH -
45
72
CL
2
–
–
–
–
–
© 2008 Micron Technology, Inc. All rights reserved.
-75
t
DQSQ
70,000
Max
0.75
6.0
6.5
7.8
64
–
–
–
–
–
–
–
–
–
–
–
–
Unit
t
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
μs
Notes
19, 20
15, 21
15, 21
13, 17
17
18
19
16
22
23
24