1.35V DDR3L SDRAM Addendum
MT41K512M4 – 64 Meg x 4 x 8 banks
MT41K256M8 – 32 Meg x 8 x 8 banks
MT41K128M16 – 16 Meg x 16 x 8 banks
Description
DDR3L SDRAM (1.35V) is a low voltage version of the
DDR3 SDRAM (1.5V). Unless stated otherwise, DDR3L
SDRAM meet the functional and timing specifications
listed in the equivalent density DDR3 SDRAM data
sheet located on www.micron.com.
Features
•
V
DD
= V
DDQ
= +1.35V (1.283V to 1.45V)
•
Backward-compatible to V
DD
= V
DDQ
= +1.5V ±0.075V
•
Differential bidirectional data strobe
•
8n-bit prefetch architecture
•
Differential clock inputs (CK, CK#)
•
8 internal banks
•
Nominal and dynamic on-die termination (ODT)
for data, strobe, and mask signals
•
Programmable CAS (READ) latency (CL)
•
Programmable posted CAS additive latency (AL)
•
Programmable CAS (WRITE) latency (CWL)
•
Fixed burst length (BL) of 8 and burst chop (BC) of 4
(via the mode register set [MRS])
•
Selectable BC4 or BL8 on-the-fly (OTF)
•
Self refresh mode
•
T
C
of 0°C to +95°C
–
64ms, 8192-cycle refresh at 0°C to +85°C
–
32ms at +85°C to +95°C
•
Self refresh temperature (SRT)
•
Automatic self refresh (ASR)
•
Write leveling
•
Multipurpose register
•
Output driver calibration
Options Marking
•
Configuration
–
512 Meg x 4 512M4
–
256 Meg x 8 256M8
–
128 Meg x 16 128M16
•
FBGA package (Pb-free) – x4, x8
–
78-ball (8mm x 10.5mm) Rev. H, M DA
–
78-ball FBGA (9mm x 11.5mm) Rev. D HX
•
FBGA package (Pb-free) – x16
–
96-ball FBGA (9mm x 14mm) Rev. D HA
•
Timing – cycle time
–
1.25ns @ CL = 11 (DDR3-1600) -125
–
1.5ns @ CL = 9 (DDR3-1333) -15E
–
1.875ns @ CL = 7 (DDR3-1066) -187E
•
Revision :D/ :H/ :M
Table 1: Key Timing Parameters
Speed Grade Data Rate (MT/s) Target
t
RCD-
t
RP-CL
t
RCD (ns)
t
RP (ns) CL (ns)
-125
1, 2
1600 11-11-11 13.75 13.75 13.75
-15E
1
1333 9-9-9 13.5 13.5 13.5
-187E 1066 7-7-7 13.1 13.1 13.1
Notes:
1. Backward compatible to 1066, CL = 7 (-187E).
2. Backward compatible to 1333, CL = 9 (-15E).
2Gb: x4, x8, x16 DDR3L SDRAM Addendum
Description
PDF: 09005aef83ed2952
2Gb_1_35V_DDR3L.pdf - Rev. E 1/11 EN
1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2010 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
