1.35V DDR3L SDRAM Data Sheet Adden-
dum
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
DDR3L SDRAM (1.35V) is a low voltage version of the
DDR3 SDRAM (1.5V).
Features
• V
DD
= V
DDQ
= 1.35V (1.283–1.45V)
• Backward compatible to V
DD
= V
DDQ
= 1.5V ±0.075V
– Supports DDR3L devices to be backward com-
patible in 1.5V applications
• 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
– 1 Gig x 4 1G4
– 512 Meg x 8 512M8
– 256 Meg x 16 256M16
• FBGA package (Pb-free) – x4, x8
– 78-ball (10.5mm x 12mm) Rev. D RA
– 78-ball (9mm x 10.5mm) Rev. E, J RH
• FBGA package (Pb-free) – x16
– 96-ball (10mm x 14mm) Rev. D RE
– 96-ball (9mm x 14mm) Rev. E HA
• Timing – cycle time
– 1.071ns @ CL = 13 (DDR3-1866) -107
– 1.25ns @ CL = 11 (DDR3-1600) -125
– 1.5ns @ CL = 9 (DDR3-1333) -15E
– 1.87ns @ CL = 7 (DDR3-1066) -187E
• Special Options
– Product Longevity Program (PLP) X
• Operating temperature
– Commercial (0°C ≤ T
C
≤ +95°C) None
– Industrial (–40°C ≤ T
C
≤ +95°C) IT
• Revision :D/:E/:J
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)
-107
1, 2, 3
1866 13-13-13 13.91 13.91 13.91
-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).
4Gb: x4, x8, x16 DDR3L SDRAM Addendum
Description
PDF: 09005aef85997707
4Gb_DDR3L_SDRAM_addendum.pdf - Rev. A 03/14 EN
1
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Products and specifications discussed herein are subject to change by Micron without notice.