1Gb: x8, x16 Automotive DDR3L SDRAM
Description
Automotive DDR3L SDRAM
MT41K128M8 – 16 Meg x 8 x 8 banks
MT41K64M16 – 8 Meg x 16 x 8 banks
Description
The 1.35V DDR3L SDRAM device is a low-voltage ver-
sion of the 1.5V DDR3 SDRAM device. Refer to the
DDR3 (1.5V) SDRAM data sheet specifications when
running in 1.5V compatible mode.
•
•
•
•
•
•
Write leveling
Multipurpose register
Output driver calibration
AEC-Q100
PPAP submission
8D response time
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 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 105°C
– 64ms, 8192-cycle refresh at -40°C to 85°C
– 32ms at 85°C to 105°C
Self refresh temperature (SRT)
Automatic self refresh (ASR)
Options
1
• Configuration
– 128 Meg x 8
– 64 Meg x 16
• FBGA package (Pb-free) – x8
– 78-ball FBGA (8mm x 10.5mm)
• FBGA package (Pb-free) – x16
– 96-ball FBGA (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)
• Revision
Notes:
Marking
128M8
64M16
DA
TW
-107
A
IT
AT
:J
•
•
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.
2. The datasheet does not support ×4 mode
even though ×4 mode description exists in
the following sections.
Table 1: Key Timing Parameters
Speed Grade
-107
Data Rate (MT/s)
1866
Target
t
RCD-
t
RP-CL
13-13-13
t
RCD
(ns)
t
RP
(ns)
CL (ns)
13.91
13.91
13.91
Table 2: Addressing
Parameter
Configuration
Refresh count
128 Meg x 8
16 Meg x 8 x 8 banks
8K
64 Meg x 16
8 Meg x 16 x 8 banks
8K
PDF: 09005aef85e0b6f6
1Gb_automotive_DDR3L_F.pdf - Rev. C 5/18 EN
1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
1Gb: x8, x16 Automotive DDR3L SDRAM
Description
Table 2: Addressing (Continued)
Parameter
Row address
Bank address
Column address
Page Size
128 Meg x 8
16K A[13:0]
8 BA[2:0]
1K A[9:0]
1KB
64 Meg x 16
8K A[12:0]
8 BA[2:0]
1K A[9:0]
2KB
Figure 1: DDR3 Part Numbers
Example Part Number: MT41K64M16DA-107AIT:J
-
MT41K
Configuration
Package
Speed
:
Revision
{
:J
Configuration
128 Meg x 8
64 Meg x 16
Package
Mark
128M8
64M16
Mark
DA
TW
Speed Grade
tCK = 1.07ns, CL = 13
Revision
Temperature
Industrial temperature
Automotive temperature
Certification
Automotive
Mark
A
Mark
IT
AT
78-ball 8mm x 10.5mm FBGA
96-ball 8mm x 14mm FBGA
Mark
107
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.
PDF: 09005aef85e0b6f6
1Gb_automotive_DDR3L_F.pdf - Rev. C 5/18 EN
2
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
1Gb: x8, x16 Automotive DDR3L SDRAM
Description
Contents
Important Notes and Warnings ....................................................................................................................... 11
State Diagram ................................................................................................................................................ 12
Functional Description ................................................................................................................................... 13
Industrial Temperature ............................................................................................................................... 13
Automotive Temperature ............................................................................................................................ 13
General Notes ............................................................................................................................................ 14
Functional Block Diagrams ............................................................................................................................. 15
Ball Assignments and Descriptions ................................................................................................................. 17
Package Dimensions ....................................................................................................................................... 23
Electrical Specifications .................................................................................................................................. 25
Absolute Ratings ......................................................................................................................................... 25
Input/Output Capacitance .......................................................................................................................... 25
Thermal Characteristics .................................................................................................................................. 27
Electrical Specifications – I
DD
Specifications and Conditions ............................................................................ 28
Electrical Characteristics – I
DD
Specifications .................................................................................................. 39
Electrical Specifications – DC and AC .............................................................................................................. 40
DC Operating Conditions ........................................................................................................................... 40
Input Operating Conditions ........................................................................................................................ 41
DDR3L 1.35V AC Overshoot/Undershoot Specification ................................................................................ 45
DDR3L 1.35V Slew Rate Definitions for Single-Ended Input Signals .............................................................. 49
DDR3L 1.35V Slew Rate Definitions for Differential Input Signals ................................................................. 51
ODT Characteristics ....................................................................................................................................... 52
1.35V ODT Resistors ................................................................................................................................... 53
ODT Sensitivity .......................................................................................................................................... 54
ODT Timing Definitions ............................................................................................................................. 54
Output Driver Impedance ............................................................................................................................... 58
34 Ohm Output Driver Impedance .............................................................................................................. 59
DDR3L 34 Ohm Driver ................................................................................................................................ 60
DDR3L 34 Ohm Output Driver Sensitivity .................................................................................................... 61
DDR3L Alternative 40 Ohm Driver ............................................................................................................... 62
DDR3L 40 Ohm Output Driver Sensitivity .................................................................................................... 62
Output Characteristics and Operating Conditions ............................................................................................ 64
Reference Output Load ............................................................................................................................... 67
Slew Rate Definitions for Single-Ended Output Signals ................................................................................. 67
Slew Rate Definitions for Differential Output Signals .................................................................................... 69
Speed Bin Tables ............................................................................................................................................ 70
Electrical Characteristics and AC Operating Conditions ................................................................................... 74
Command and Address Setup, Hold, and Derating ........................................................................................... 92
Data Setup, Hold, and Derating ....................................................................................................................... 99
Commands – Truth Tables ............................................................................................................................. 108
Commands ................................................................................................................................................... 111
DESELECT ................................................................................................................................................ 111
NO OPERATION ........................................................................................................................................ 111
ZQ CALIBRATION LONG ........................................................................................................................... 111
ZQ CALIBRATION SHORT .......................................................................................................................... 111
ACTIVATE ................................................................................................................................................. 111
READ ........................................................................................................................................................ 111
WRITE ...................................................................................................................................................... 112
PRECHARGE ............................................................................................................................................. 113
REFRESH .................................................................................................................................................. 113
PDF: 09005aef85e0b6f6
1Gb_automotive_DDR3L_F.pdf - Rev. C 5/18 EN
3
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
1Gb: x8, x16 Automotive DDR3L SDRAM
Description
SELF REFRESH .......................................................................................................................................... 114
DLL Disable Mode ..................................................................................................................................... 115
Input Clock Frequency Change ...................................................................................................................... 119
Write Leveling ............................................................................................................................................... 121
Write Leveling Procedure ........................................................................................................................... 123
Write Leveling Mode Exit Procedure ........................................................................................................... 125
Initialization ................................................................................................................................................. 126
Voltage Initialization/Change ........................................................................................................................ 128
V
DD
Voltage Switching ............................................................................................................................... 129
Mode Registers .............................................................................................................................................. 130
Mode Register 0 (MR0) ................................................................................................................................... 131
Burst Length ............................................................................................................................................. 131
Burst Type ................................................................................................................................................. 132
DLL RESET ................................................................................................................................................ 133
Write Recovery .......................................................................................................................................... 134
Precharge Power-Down (Precharge PD) ...................................................................................................... 134
CAS Latency (CL) ....................................................................................................................................... 134
Mode Register 1 (MR1) ................................................................................................................................... 136
DLL Enable/DLL Disable ........................................................................................................................... 136
Output Drive Strength ............................................................................................................................... 137
OUTPUT ENABLE/DISABLE ...................................................................................................................... 137
TDQS Enable ............................................................................................................................................. 137
On-Die Termination .................................................................................................................................. 138
WRITE LEVELING ..................................................................................................................................... 138
POSTED CAS ADDITIVE Latency ................................................................................................................ 138
Mode Register 2 (MR2) ................................................................................................................................... 139
CAS WRITE Latency (CWL) ........................................................................................................................ 140
AUTO SELF REFRESH (ASR) ....................................................................................................................... 140
SELF REFRESH TEMPERATURE (SRT) ........................................................................................................ 141
SRT vs. ASR ............................................................................................................................................... 141
DYNAMIC ODT ......................................................................................................................................... 141
Mode Register 3 (MR3) ................................................................................................................................... 142
MULTIPURPOSE REGISTER (MPR) ............................................................................................................ 142
MPR Functional Description ...................................................................................................................... 143
MPR Register Address Definitions and Bursting Order ................................................................................. 144
MPR Read Predefined Pattern .................................................................................................................... 150
MODE REGISTER SET (MRS) Command ........................................................................................................ 150
ZQ CALIBRATION Operation ......................................................................................................................... 151
ACTIVATE Operation ..................................................................................................................................... 152
READ Operation ............................................................................................................................................ 154
WRITE Operation .......................................................................................................................................... 165
DQ Input Timing ....................................................................................................................................... 173
PRECHARGE Operation ................................................................................................................................. 175
SELF REFRESH Operation .............................................................................................................................. 175
Extended Temperature Usage ........................................................................................................................ 177
Power-Down Mode ........................................................................................................................................ 178
RESET Operation ........................................................................................................................................... 186
On-Die Termination (ODT) ............................................................................................................................ 188
Functional Representation of ODT ............................................................................................................. 188
Nominal ODT ............................................................................................................................................ 188
Dynamic ODT ............................................................................................................................................... 190
Dynamic ODT Special Use Case ................................................................................................................. 190
PDF: 09005aef85e0b6f6
1Gb_automotive_DDR3L_F.pdf - Rev. C 5/18 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
1Gb: x8, x16 Automotive DDR3L SDRAM
Description
Functional Description .............................................................................................................................. 190
Synchronous ODT Mode ................................................................................................................................ 196
ODT Latency and Posted ODT .................................................................................................................... 196
Timing Parameters .................................................................................................................................... 196
ODT Off During READs .............................................................................................................................. 199
Asynchronous ODT Mode .............................................................................................................................. 201
Synchronous to Asynchronous ODT Mode Transition (Power-Down Entry) .................................................. 203
Asynchronous to Synchronous ODT Mode Transition (Power-Down Exit) ........................................................ 205
Asynchronous to Synchronous ODT Mode Transition (Short CKE Pulse) ...................................................... 207
Revision History ............................................................................................................................................ 209
Rev. C – 5/18 .............................................................................................................................................. 209
Rev. B – 2/15 .............................................................................................................................................. 209
Rev. A – 8/14 .............................................................................................................................................. 209
PDF: 09005aef85e0b6f6
1Gb_automotive_DDR3L_F.pdf - Rev. C 5/18 EN
5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2014 Micron Technology, Inc. All rights reserved.
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