MT41J256M4HX-187E:D TR Micron Technology Inc, MT41J256M4HX-187E:D TR Datasheet - Page 75

• Manufacturer Part Number: MT41J256M4HX-187E:D TR
• Manufacturer: Micron Technology Inc
• Type: DDR3 SDRAMr

Specifications of MT41J256M4HX-187E:D TR

• 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

Table 53: DDR3-1866 Speed Bins
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
DDR3-1866 Speed Bin
CL-
Parameter
Internal READ command to first data
ACTIVATE to internal READ or WRITE
delay time
PRECHARGE command period
ACTIVATE-to-ACTIVATE or REFRESH
command period
ACTIVATE-to-PRECHARGE command
period
CL = 5
CL = 6
CL = 7
CL = 8
CL = 9
CL = 10
CL = 11
CL = 12
CL = 13
Supported CL settings
Supported CWL settings
t
RCD-
t
RP
Notes:
1. The -107 speed grade is backward compatible with 1333, CL = 9 (-15E) and 1066, CL = 7
2.
3. The CL and CWL settings result in
4. Reserved settings are not allowed.
CWL = 5
CWL = 6, 7, 8, 9
CWL = 5
CWL = 6, 7, 8, 9
CWL = 5, 7, 8, 9
CWL = 6
CWL = 5, 8, 9
CWL = 6
CWL = 7
CWL = 5, 6, 8, 9
CWL = 7
CWL = 5, 6, 9
CWL = 7
CWL = 8
CWL = 5, 6, 7
CWL = 8
CWL = 9
CWL = 5, 6, 7, 8
CWL = 9
CWL = 5, 6, 7, 8
CWL = 9
(-187E).
t
both CL and CWL requirement settings need to be fulfilled.
REFI depends on T
OPER
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
.
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
CK (AVG)
Symbol
t
t
75
t
RCD
t
RAS
t
AA
RP
RC
t
CK requirements. When making a selection of
Micron Technology, Inc. reserves the right to change products or specifications without notice.
5, 6, 7, 8, 9, 10, 11, 13
13.91
13.91
13.91
48.91
1.875
1.875
Min
1.25
1.07
3.0
2.5
1.5
1.5
34
5, 6, 7, 8, 9
1Gb: x4, x8, x16 DDR3 SDRAM
13-13-13
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
-107
1
9 x
<1.875
<1.875
<1.25
Max
<2.5
<2.5
<1.5
3.0
3.3
20
t
–
–
–
REFI
© 2006 Micron Technology, Inc. All rights reserved.
Speed Bin Tables
Units
CK
CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2
3
4
3
4
4
3
4
3
4
4
3
4
3
3
4
3
3
4
3
4
3
t
CK,