4Gb: x8, x16 Automotive DDR3L SDRAM
Description
Automotive DDR3L SDRAM
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 (1.5V) SDRAM. Refer to DDR3 (1.5V) SDRAM
(Die Rev :E) data sheet specifications when running in
1.5V compatible mode.
Options
• Configuration
– 512 Meg x 8
– 256 Meg x 16
• FBGA package (Pb-free) – x8
– 78-ball (8mm x 10.5mm)
• FBGA package (Pb-free) – x16
– 96-ball (8mm x 14mm)
• Timing – cycle time
– 1.07ns @ CL = 13 (DDR3-1866)
• Product certification
– Automotive
• Operating temperature
– Industrial (–40°C
≤
T
C
≤
+95°C)
– Automotive (–40°C
≤
T
C
≤
+105°C)
– Ultra-high (–40°C
≤
T
C
≤
+125°C)
3
• Revision
Note:
Marking
512M8
256M16
DA
TW
-107
A
IT
AT
UT
:P
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 -40°C to +125°C
– 64ms, 8192-cycle refresh at -40°C to +85°C
– 32ms at +85°C to +105°C
– 16ms at +105°C to +115°C
– 8ms at +115°C to +125°C
• Self refresh temperature (SRT)
• Automatic self refresh (ASR)
• Write leveling
• Multipurpose register
• Output driver calibration
• AEC-Q100
• PPAP submission
• 8D response time
Table 1: Key Timing Parameters
Speed Grade
-107
Data Rate (MT/s)
1866
1. Not all options listed can be combined to de-
fine an offered product. Use the part catalog
search on http://www.micron.com for availa-
ble offerings.
2. The datasheet does not support ×4 mode
even though ×4 mode description exists in the
following sections.
3. The UT option use based on automotive us-
age model. Please contact Micron sales repre-
sentative if you have questions.
Target
t
RCD-
t
RP-CL
13-13-13
t
RCD
(ns)
t
RP
(ns)
CL (ns)
13.91
13.91
13.91
CCMTD-1725822587-10208
automotive_4gb_ddr3l_v00h.pdf - Rev. F 02/18 EN
1
Products and specifications discussed herein are subject to change by Micron without notice.
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2015 Micron Technology, Inc. All rights reserved.
4Gb: x8, x16 Automotive DDR3L SDRAM
Description
Table 2: Addressing
Parameter
Configuration
Refresh count
Row address
Bank address
Column address
Page size
512 Meg x 8
64 Meg x 8 x 8 banks
8K
64K (A[15:0])
8 (BA[2:0])
1K (A[9:0])
1KB
256 Meg x 16
32 Meg x 16 x 8 banks
8K
32K (A[14:0])
8 (BA[2:0])
1K (A[9:0])
2KB
Figure 1: DDR3L Part Numbers
Example Part Number: MT41K512M8DA-107AAT:P
-
MT41K
Configuration
Package
Speed
:
Revision
{
Configuration
512 Meg x 8
Mark
512M8
Temperature
Industrial temperature
Package
78-ball FBGA, 8mm x 10.5mm
96-ball FBGA, 8mm x 14mm
Mark
DA
TW
Speed Grade
tCK = 1.07ns, CL = 13
Mark
107
Certification
Automotive
Mark
A
Automotive temperature
Ultra-high temperature
Mark
IT
AT
UT
:P
Revision
256 Meg x 16 256M16
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.
CCMTD-1725822587-10208
automotive_4gb_ddr3l_v00h.pdf - Rev. F 02/18 EN
2
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2015 Micron Technology, Inc. All rights reserved.
4Gb: x8, x16 Automotive DDR3L SDRAM
Description
Contents
Important Notes and Warnings ....................................................................................................................... 11
State Diagram ................................................................................................................................................ 12
Functional Description ................................................................................................................................... 13
Industrial Temperature ............................................................................................................................... 13
Automotive Temperature ............................................................................................................................ 13
Utra-high Temperature ............................................................................................................................... 14
General Notes ............................................................................................................................................ 14
Functional Block Diagrams ............................................................................................................................. 15
Ball Assignments and Descriptions ................................................................................................................. 17
Package Dimensions ....................................................................................................................................... 23
Electrical Specifications .................................................................................................................................. 25
Absolute Ratings ......................................................................................................................................... 25
Input/Output Capacitance .......................................................................................................................... 26
Thermal Characteristics .................................................................................................................................. 27
Electrical Specifications – I
DD
Specifications and Conditions ............................................................................ 29
Electrical Characteristics – Operating I
DD
Specifications .................................................................................. 40
Electrical Specifications – DC and AC .............................................................................................................. 42
DC Operating Conditions ........................................................................................................................... 42
Input Operating Conditions ........................................................................................................................ 43
DDR3L 1.35V AC Overshoot/Undershoot Specification ................................................................................ 47
DDR3L 1.35V Slew Rate Definitions for Single-Ended Input Signals .............................................................. 50
DDR3L 1.35V Slew Rate Definitions for Differential Input Signals ................................................................. 52
ODT Characteristics ....................................................................................................................................... 53
1.35V ODT Resistors ................................................................................................................................... 54
ODT Sensitivity .......................................................................................................................................... 55
ODT Timing Definitions ............................................................................................................................. 55
Output Driver Impedance ............................................................................................................................... 59
34 Ohm Output Driver Impedance .............................................................................................................. 60
DDR3L 34 Ohm Driver ................................................................................................................................ 61
DDR3L 34 Ohm Output Driver Sensitivity .................................................................................................... 62
DDR3L Alternative 40 Ohm Driver ............................................................................................................... 63
DDR3L 40 Ohm Output Driver Sensitivity .................................................................................................... 63
Output Characteristics and Operating Conditions ............................................................................................ 65
Reference Output Load ............................................................................................................................... 68
Slew Rate Definitions for Single-Ended Output Signals ................................................................................. 68
Slew Rate Definitions for Differential Output Signals .................................................................................... 70
Speed Bin Tables ............................................................................................................................................ 71
Electrical Characteristics and AC Operating Conditions ................................................................................... 76
Command and Address Setup, Hold, and Derating ........................................................................................... 85
Data Setup, Hold, and Derating ....................................................................................................................... 92
Commands – Truth Tables ............................................................................................................................. 100
Commands ................................................................................................................................................... 103
DESELECT ................................................................................................................................................ 103
NO OPERATION ........................................................................................................................................ 103
ZQ CALIBRATION LONG ........................................................................................................................... 103
ZQ CALIBRATION SHORT .......................................................................................................................... 103
ACTIVATE ................................................................................................................................................. 103
READ ........................................................................................................................................................ 103
WRITE ...................................................................................................................................................... 104
PRECHARGE ............................................................................................................................................. 105
CCMTD-1725822587-10208
automotive_4gb_ddr3l_v00h.pdf - Rev. F 02/18 EN
3
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2015 Micron Technology, Inc. All rights reserved.
4Gb: x8, x16 Automotive DDR3L SDRAM
Description
REFRESH .................................................................................................................................................. 105
SELF REFRESH .......................................................................................................................................... 106
DLL Disable Mode ..................................................................................................................................... 107
Input Clock Frequency Change ...................................................................................................................... 111
Write Leveling ............................................................................................................................................... 113
Write Leveling Procedure ........................................................................................................................... 115
Write Leveling Mode Exit Procedure ........................................................................................................... 117
Initialization ................................................................................................................................................. 118
Voltage Initialization / Change ....................................................................................................................... 120
V
DD
Voltage Switching ............................................................................................................................... 121
Mode Registers .............................................................................................................................................. 122
Mode Register 0 (MR0) ................................................................................................................................... 123
Burst Length ............................................................................................................................................. 123
Burst Type ................................................................................................................................................. 124
DLL RESET ................................................................................................................................................ 125
Write Recovery .......................................................................................................................................... 126
Precharge Power-Down (Precharge PD) ...................................................................................................... 126
CAS Latency (CL) ....................................................................................................................................... 126
Mode Register 1 (MR1) ................................................................................................................................... 128
DLL Enable/DLL Disable ........................................................................................................................... 128
Output Drive Strength ............................................................................................................................... 129
OUTPUT ENABLE/DISABLE ...................................................................................................................... 129
TDQS Enable ............................................................................................................................................. 129
On-Die Termination .................................................................................................................................. 130
WRITE LEVELING ..................................................................................................................................... 130
POSTED CAS ADDITIVE Latency ................................................................................................................ 130
Mode Register 2 (MR2) ................................................................................................................................... 131
CAS WRITE Latency (CWL) ........................................................................................................................ 132
AUTO SELF REFRESH (ASR) ....................................................................................................................... 132
SELF REFRESH TEMPERATURE (SRT) ........................................................................................................ 133
SRT vs. ASR ............................................................................................................................................... 133
DYNAMIC ODT ......................................................................................................................................... 133
Mode Register 3 (MR3) ................................................................................................................................... 134
MULTIPURPOSE REGISTER (MPR) ............................................................................................................ 134
MPR Functional Description ...................................................................................................................... 135
MPR Register Address Definitions and Bursting Order ................................................................................. 136
MPR Read Predefined Pattern .................................................................................................................... 142
MODE REGISTER SET (MRS) Command ........................................................................................................ 142
ZQ CALIBRATION Operation ......................................................................................................................... 143
ACTIVATE Operation ..................................................................................................................................... 144
READ Operation ............................................................................................................................................ 146
WRITE Operation .......................................................................................................................................... 157
DQ Input Timing ....................................................................................................................................... 165
PRECHARGE Operation ................................................................................................................................. 167
SELF REFRESH Operation .............................................................................................................................. 167
Extended Temperature Usage ........................................................................................................................ 168
Power-Down Mode ........................................................................................................................................ 170
RESET Operation ........................................................................................................................................... 178
On-Die Termination (ODT) ............................................................................................................................ 180
Functional Representation of ODT ............................................................................................................. 180
Nominal ODT ............................................................................................................................................ 180
Dynamic ODT ............................................................................................................................................... 182
CCMTD-1725822587-10208
automotive_4gb_ddr3l_v00h.pdf - Rev. F 02/18 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2015 Micron Technology, Inc. All rights reserved.
4Gb: x8, x16 Automotive DDR3L SDRAM
Description
Dynamic ODT Special Use Case ................................................................................................................. 182
Functional Description .............................................................................................................................. 182
Synchronous ODT Mode ................................................................................................................................ 188
ODT Latency and Posted ODT .................................................................................................................... 188
Timing Parameters .................................................................................................................................... 188
ODT Off During READs .............................................................................................................................. 191
Asynchronous ODT Mode .............................................................................................................................. 193
Synchronous to Asynchronous ODT Mode Transition (Power-Down Entry) .................................................. 195
Asynchronous to Synchronous ODT Mode Transition (Power-Down Exit) ........................................................ 197
Asynchronous to Synchronous ODT Mode Transition (Short CKE Pulse) ...................................................... 199
Revision History ............................................................................................................................................ 201
Rev. F – 02/18 ............................................................................................................................................ 201
Rev. E – 12/17 ............................................................................................................................................ 201
Rev. D – 02/17 ............................................................................................................................................ 201
Rev. C – 05/16 ............................................................................................................................................ 201
Rev. B – 04/16 ............................................................................................................................................ 201
Rev. A – 12/15 ............................................................................................................................................ 201
CCMTD-1725822587-10208
automotive_4gb_ddr3l_v00h.pdf - Rev. F 02/18 EN
5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2015 Micron Technology, Inc. All rights reserved.
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