1Gb: x4, x8, x16 DDR3 SDRAM
Features
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
1
Options Marking
Features
Configuration
V = V = 1.5V 0.075V
DD DDQ
256 Meg x 4 256M4
1.5V center-terminated push/pull I/O
128 Meg x 8 128M8
Differential bidirectional data strobe
64 Meg x 16 64M16
8n-bit prefetch architecture
FBGA package (Pb-free) x4, x8
Differential clock inputs (CK, CK#)
78-ball (8mm x 11.5mm) Rev. G JP
8 internal banks
78-ball (8mm x 10.5mm) Rev. J DA
Nominal and dynamic on-die termination (ODT)
FBGA package (Pb-free) x16
for data, strobe, and mask signals
96-ball (8mm x 14mm) Rev. G JT
Programmable CAS READ latency (CL)
96-ball (8mm x 14mm) Rev. J TW
POSTED CAS ADDITIVE latency (AL)
Timing cycle time
Programmable CAS WRITE latency (CWL) based on
938ps @ CL = 14 (DDR3-2133) -093
t
CK
1.07ns @ CL = 13 (DDR3-1866) -107
Fixed burst length (BL) of 8 and burst chop (BC) of 4
1.25ns @ CL = 11 (DDR3-1600) -125
(via the mode register set [MRS])
1.5ns @ CL = 9 (DDR3-1333) -15E
Selectable BC4 or BL8 on-the-fly (OTF)
1.87ns @ CL = 7 (DDR3-1066) -187E
Self refresh mode
Operating temperature
T of 0C to 95C
C
Commercial (0C T +95C) None
C
64ms, 8192 cycle refresh at 0C to 85C
Industrial (40C T +95C) IT
C
32ms, 8192 cycle refresh at 85C to 95C
Revision :G / :J
Self refresh temperature (SRT)
Automatic self refresh (ASR)
1. Not all options listed can be combined to
Note:
Write leveling
define an offered product. Use the part
Multipurpose register
catalog search on 1Gb: x4, x8, x16 DDR3 SDRAM
Features
Table 2: Addressing
Parameter 256 Meg x 4 128 Meg x 8 64 Meg x 16
Configuration 32 Meg x 4 x 8 banks 16 Meg x 8 x 8 banks 8 Meg x 16 x 8 banks
Refresh count 8K 8K 8K
Row addressing 16K (A[13:0]) 16K (A[13:0]) 8K (A[12:0])
Bank addressing 8 (BA[2:0]) 8 (BA[2:0]) 8 (BA[2:0])
Column addressing 2K (A[11, 9:0]) 1K (A[9:0]) 1K (A[9:0])
Page Size 1KB 1KB 2KB
Figure 1: DDR3 Part Numbers
Example Part Number: MT41J256M4DA-107:J
- :
MT41J Configuration Package Speed Revision
:G / :J Revision
Temperature
Configuration
Commercial
256 Meg x 4 256M4
None
Industrial temperature
128 Meg x 8 128M8 IT
64 Meg x 16 64M16
Speed Grade
t
Package Rev. Mark
-093 CK = 0.098ns, CL = 14
t
78-ball 8mm x 11.5mm FBGA G JP
-107 CK = 1.07ns, CL = 13
t
78-ball 8mm x 10.5mm FBGA J DA
-125 CK = 1.25ns, CL = 11
t
96-ball 8mm x 14mm FBGA G JT
-15E
CK = 1.5ns, CL = 9
t
TW
96-ball 8mm x 14mm FBGA J -187E
CK = 1.87ns, CL = 7
1. Not all options listed can be combined to define an offered product. Use the part catalog search on
Note: