2Gb: x4, x8, x16 DDR3L SDRAM
Description
DDR3L SDRAM
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
• Automatic self refresh (ASR)
• Write leveling
• Multipurpose register
• Output driver calibration
The 1.35V DDR3L SDRAM device is a low-voltage
version of the 1.5V DDR3 SDRAM device. Refer to the
DDR3 (1.5V) SDRAM data sheet specifications when
running in 1.5V compatible mode.
Options
• Configuration
– 512 Meg x 4
– 256 Meg x 8
Marking
Features
• VDD = VDDQ = 1.35V (1.283–1.45V)
• Backward-compatible to VDD = VDDQ = 1.5V ±0.075V
• Differential bidirectional data strobe
• 8n-bit prefetch architecture
• Differential clock inputs (CK, CK#)
• 8 internal banks
512M4
256M8
128M16
– 128 Meg x 16
• FBGA package (Pb-free) – x4, x8
– 78-ball (8mm x 10.5mm x 1.2mm)
Rev. K
• FBGA package (Pb-free) – x16
– 96-ball (8mm x 14mm x 1.2mm)
Rev. K
DA
JT
• 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
• TC of 95°C
• Timing – cycle time
-107
-125
-15E
-187E
– 1.07ns @ CL = 13 (DDR3-1866)
– 1.25ns @ CL = 11 (DDR3-1600)
– 1.5ns @ CL = 9 (DDR3-1333)
– 1.875ns @ CL = 7 (DDR3-1066)
• Operating temperature
– Commercial (0°C ≤ TC ≤ +95°C)
– Industrial (–40°C ≤ TC ≤ +95°C)
• Revision
None
IT
:K
– 64ms, 8192-cycle refresh up to 85°C
– 32ms, 8192-cycle refresh at >85°C to 95°C
• Self refresh temperature (SRT)
Table 1: Key Timing Parameters
Speed Grade
-1071, 2, 3
Data Rate (MT/s)
Target tRCD-tRP-CL
tRCD (ns)
tRP (ns)
CL (ns)
1866
13-13-13
13.91
13.91
13.91
-1251, 2
1600
1333
1066
11-11-11
9-9-9
13.75
13.5
13.1
13.75
13.5
13.1
13.75
13.5
13.1
-15E1
-187E
7-7-7
Notes: 1. Backward compatible to 1066, CL = 7 (-187E).
2. Backward compatible to 1333, CL = 9 (-15E).
3. Backward compatible to 1600, CL = 11 (-125).
CCMTD-1725822587-7895
2Gb_DDR3L.pdf - Rev. P 03/2022 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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Products and specifications discussed herein are subject to change by Micron without notice.