4Gb: x4, x8, x16 DDR3L SDRAM Addendum
Description
DDR3L SDRAM Data Sheet Addendum
MT41K1G4 – 128 Meg x 4 x 8 banks
MT41K512M8 – 64 Meg x 8 x 8 banks
MT41K256M16 – 32 Meg x 16 x 8 banks
Description                                                               •   Self refresh temperature (SRT)
                                                                          •   Automatic self refresh (ASR)
DDR3L SDRAM (1.35V) is a low voltage version of the                       •   Write leveling
DDR3 (1.5V) SDRAM. Refer to DDR3 (1.5V) SDRAM                             •   Multipurpose register
(Die Rev.: E) data sheet specifications when running in                   •   Output driver calibration
1.5V compatible mode.
Features                                                                  Options                                                                     Marking
• VDD = V DDQ = 1.35V (1.283–1.45V)                                       • Configuration
• Backward compatible to V DD = V DDQ = 1.5V ±0.075V                        – 1 Gig x 4                                                                    1G4
  – Supports DDR3L devices to be backward com-                              – 512 Meg x 8                                                                 512M8
     patible in 1.5V applications                                           – 256 Meg x 16                                                               256M16
• Differential bidirectional data strobe                                  • FBGA package (Pb-free) – x4, x8
• 8n-bit prefetch architecture                                              – 78-ball (8mm x 10.5mm) Rev. P                                                   DA
• Differential clock inputs (CK, CK#)                                     • FBGA package (Pb-free) – x16
• 8 internal banks                                                          – 96-ball (8mm x 14mm) Rev. P                                                     TW
• Nominal and dynamic on-die termination (ODT)                            • Timing – cycle time
  for data, strobe, and mask signals                                        – 938ps @ CL = 14 (DDR3-2133)                                                    -093
• Programmable CAS (READ) latency (CL)                                      – 1.07ns @ CL = 13 (DDR3-1866)                                                   -107
• Programmable posted CAS additive latency (AL)                             – 1.25ns @ CL = 11 (DDR3-1600)                                                   -125
• Programmable CAS (WRITE) latency (CWL)                                  • Special Options
• Fixed burst length (BL) of 8 and burst chop (BC) of 4                     – Premium Lifecycle Product (PLP)                                                   X
  (via the mode register set [MRS])                                       • Operating temperature
• Selectable BC4 or BL8 on-the-fly (OTF)                                    – Commercial (0°C ≤ T C ≤ +95°C)                                                None
• Self refresh mode                                                         – Industrial (–40°C ≤ T C ≤ +95°C)                                               IT
• TC of 0°C to +95°C                                                      • Revision                                                                          P
  – 64ms, 8192-cycle refresh at 0°C to +85°C
  – 32ms at +85°C to +95°C
Table 1: Key Timing Parameters
      Speed Grade                         Data Rate (MT/s)   Target tRCD-tRP-CL             tRCD       (ns)                 tRP    (ns)                    CL (ns)
            -093 1, 2                                2133         14-14-14                       13.09                         13.09                         13.09
             -107 1                                  1866         13-13-13                       13.91                         13.91                         13.91
               -125                                  1600         11-11-11                       13.75                         13.75                         13.75
   Notes:         1. Backward compatible to 1600, CL = 11 (-125).
                  2. Backward compatible to 1866, CL = 13 (-107).
PDF: X26P4QTWDSPK-13-10329
4gb_1_35v_ddr3l_xit_addendum.pdf - Rev. A 02/16 EN                    1           Micron Technology, Inc. reserves the right to change products or specifications without notice.
                                                                                                                              © 2016 Micron Technology, Inc. All rights reserved.
                         Products and specifications discussed herein are subject to change by Micron without notice.
                                                                                   4Gb: x4, x8, x16 DDR3L SDRAM Addendum
                                                                                                               Description
Table 2: Addressing
Parameter                                                    1 Gig x 4                           512 Meg x 8                                          256 Meg x 16
Configuration                                           128 Meg x 4 x 8 banks              64 Meg x 8 x 8 banks                                 32 Meg x 16 x 8 banks
Refresh count                                                     8K                                      8K                                                      8K
Row address                                                 64K (A[15:0])                        64K (A[15:0])                                          32K (A[14:0])
Bank address                                                 8 (BA[2:0])                           8 (BA[2:0])                                            8 (BA[2:0])
Column address                                             2K (A[11, 9:0])                         1K (A[9:0])                                            1K (A[9:0])
Page size                                                         1KB                                    1KB                                                      2KB
Figure 1: DDR3L Part Numbers
                                                     Example Part Number: MT41K256M16TW-107 XIT:P
                                                                                      -                                    :
                                     MT41K               Configuration      Package        Speed                       Revision
                                                                                                             {
                                          Configuration      Mark                                                        :P         Revision
                                          1 Gig x 4         1G4
                                          512 Meg x 8       512M8                                              Temperature                               Mark
                                          256 Meg x 16      256M16                                             Commercial                                 None
                                                                                                               Industrial temperature                        IT
                          Package                                    Rev.   Mark
                           78-ball 8mm x 10.5mm FBGA                    P    DA                    Mark Special Options
                           96-ball 8mm x 14mm FBGA                      P    TW                       X       Premium Lifecycle Product (PLP)
                                                                                          Mark     Speed Grade
                                                                                          -093     tCK   = .938ns, CL = 14
                                                                                          -107     tCK   = 1.07ns, CL = 13
                                                                                          -125     tCK   = 1.25ns, CL = 11
     Note:        1. Not all options listed can be combined to define an offered product. Use the part catalog search on
                     http://www.micron.com for available offerings.
FBGA Part Marking Decoder
Due to space limitations, FBGA-packaged components have an abbreviated part marking that is different from the
part number. For a quick conversion of an FBGA code, see the FBGA Part Marking Decoder on Micron’s Web site:
http://www.micron.com.
PDF: X26P4QTWDSPK-13-10329
4gb_1_35v_ddr3l_xit_addendum.pdf - Rev. A 02/16 EN                                    2          Micron Technology, Inc. reserves the right to change products or specifications without notice.
                                                                                                                                             © 2016 Micron Technology, Inc. All rights reserved.
                                                                           4Gb: x4, x8, x16 DDR3L SDRAM Addendum
                                                                                                    Revision History
Revision History
Rev. A – 02/16
                                               • Initial release based on the 4Gb x4, x8, x16 DDR3L SDRAM, Rev. N 12/15 data sheet
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                                  Micron and the Micron logo are trademarks of Micron Technology, Inc.
                                     All other trademarks are the property of their respective owners.
     This data sheet contains minimum and maximum limits specified over the power supply and temperature range set forth herein.
  Although considered final, these specifications are subject to change, as further product development and data characterization some-
                                                                 times occur.
PDF: X26P4QTWDSPK-13-10329
4gb_1_35v_ddr3l_xit_addendum.pdf - Rev. A 02/16 EN                          3        Micron Technology, Inc. reserves the right to change products or specifications without notice.
                                                                                                                                 © 2016 Micron Technology, Inc. All rights reserved.