MT41J256M4HX-187E:D Micron Technology Inc, MT41J256M4HX-187E:D Datasheet - Page 166
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MT41J256M4HX-187E:D
Manufacturer Part Number
MT41J256M4HX-187E:D
Description
Manufacturer
Micron Technology Inc
Type
DDR3 SDRAMr
Datasheet
1.MT41J256M4HX-187ED.pdf
(208 pages)
Specifications of MT41J256M4HX-187E:D
Organization
256Mx4
Density
1Gb
Address Bus
17b
Maximum Clock Rate
1.066GHz
Operating Supply Voltage (typ)
1.5V
Package Type
FBGA
Operating Temp Range
0C to 95C
Operating Supply Voltage (max)
1.575V
Operating Supply Voltage (min)
1.425V
Supply Current
190mA
Pin Count
78
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
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Figure 85: WRITE Burst
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
Command 1
DQS, DQS#
DQS, DQS#
DQS, DQS#
Address 2
DQ 3
DQ 3
DQ 3
CK#
CK
t DQSS (NOM)
t DQSS (MAX)
t DQSS (MIN)
WRITE
Bank,
Col n
T0
NOP
T1
Notes:
WL = AL + CWL
1. NOP commands are shown for ease of illustration; other commands may be valid at
2. The BL8 setting is activated by either MR0[1:0] = 00 or MR0[1:0] = 01 and A12 = 1 during
3. DI n = data-in for column n.
4. BL8, WL = 5 (AL = 0, CWL = 5).
5.
6.
NOP
T2
these times.
the WRITE command at T0.
t
t
ly ends when DQS no longer drives LOW and DQS# no longer drives HIGH.
DQSS must be met at each rising clock edge.
WPST is usually depicted as ending at the crossing of DQS, DQS#; however,
NOP
T3
t DQSH
NOP
T4
t DQSH
t WPRE
t DQSH
t WPRE
t DQSL
166
t DQSL
t WPRE
t DQSS t DSH
t DSS
DI
n
t DSS
t DQSH
t DQSL
NOP
DI
T5
n
t DQSS
t DQSH
t DSH
n + 1
DI
DI
n
t DQSH
t DQSL
n + 1
DI
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t DQSL
t DSS
n + 2
n + 1
DI
DI
t DSS
t DQSH
t DQSL
NOP
n + 2
T6
DI
t DSH
t DQSH
t DSH
n + 3
n + 2
DI
DI
t DQSH
t DQSL
1Gb: x4, x8, x16 DDR3 SDRAM
n + 3
DI
t DQSL
n + 4
t DSS
n + 3
DI
DI
t DSS
t DQSH
t DQSL
n + 4
NOP
T7
DI
t DSH
t DQSH
t DSH
n + 4
n + 5
DI
DI
t DQSH
t DQSL
n + 5
DI
t DQSL
t DSS
n + 6
n + 5
DI
DI
t DSS
t DQSH
t DQSL
n + 6
NOP
© 2006 Micron Technology, Inc. All rights reserved.
T8
DI
t DSH
t DQSH
t DSH
n + 7
n + 6
DI
DI
WRITE Operation
t DQSH
t WPST
t DQSL
n + 7
Transitioning Data
DI
t DQSL
t WPST
t DSS
n + 7
DI
t DSS
t WPST
t DQSL
NOP
T9
t
WPST actual-
Don’t Care
T10
NOP
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