Datasheet
Table Of Contents
- DDR3L SDRAM
- Description
- State Diagram
- Functional Description
- Functional Block Diagrams
- Ball Assignments and Descriptions
- Package Dimensions
- Electrical Specifications
- Thermal Characteristics
- Electrical Specifications – I DD Specifications and Conditions
- Electrical Characteristics – 1.35V IDD Specifications
- Electrical Specifications – DC and AC
- ODT Characteristics
- Output Driver Impedance
- Output Characteristics and Operating Conditions
- Speed Bin Tables
- Electrical Characteristics and AC Operating Conditions
- Electrical Characteristics and AC Operating Conditions
- Command and Address Setup, Hold, and Derating
- Data Setup, Hold, and Derating
- Commands – Truth Tables
- Commands
- Input Clock Frequency Change
- Write Leveling
- Initialization
- Voltage Initialization / Change
- Mode Registers
- Mode Register 0 (MR0)
- Mode Register 1 (MR1)
- Mode Register 2 (MR2)
- Mode Register 3 (MR3)
- MODE REGISTER SET (MRS) Command
- ZQ CALIBRATION Operation
- ACTIVATE Operation
- READ Operation
- WRITE Operation
- PRECHARGE Operation
- SELF REFRESH Operation
- Extended Temperature Usage
- Power-Down Mode
- RESET Operation
- On-Die Termination (ODT)
- Dynamic ODT
- Synchronous ODT Mode
- Asynchronous ODT Mode
- Asynchronous to Synchronous ODT Mode Transition (Power-Down Exit)
Figure 109: Dynamic ODT: ODT Pin Asserted Together with WRITE Command for 6 Clock Cycles, BL8
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9
ODTLcwn8
ODTLon
ODTLcnw
WL
t
AOF (MAX)
T10 T11
CK
CK#
Address
R
TT
ODT
DQ
DQS, DQS#
DI
b + 3
DI
b + 2
DI
b + 1
DI
b
DI
b + 7
DI
b + 6
DI
b + 5
DI
b + 4
Valid
Don’t CareTransitioning
Command
WRS8NOP NOPNOP NOP NOP NOP NOP NOP NOP NOP NOP
R
TT(WR)
ODTH8 ODTLoff
t
ADC (MAX)
t
AON (MIN)
t
AOF (MIN)
Notes:
1. Via MRS or OTF; AL = 0, CWL = 5. If R
TT,nom
can be either enabled or disabled, ODT can be HIGH. R
TT(WR)
is enabled.
2. In this example, ODTH8 = 6 is satisfied exactly.
8Gb: x4, x8, x16 DDR3L SDRAM
Dynamic ODT
193
Rev.2.0 June 2016
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