Datasheet
Table Of Contents
- Description
- Fetures
- Ordering Information
- Key Parameters
- Speed Grade
- Address Table
- Pin Descriptions
- Input/Output Functional Descriptions
- Pin Assignments
- Functional Block Diagram
- Absolute Maximum Ratings
- AC & DC Operating Conditions
- AC & DC Input Measurement Levels
- Vref Tolerances
- AC and DC Logic Input Levels for Differential Signals
- AC & DC Output Measurement Levels
- Overshoot and Undershoot Specifications
- Refresh parameters by device density
- Standard Speed Bins
- IDD and IDDQ Specification Parameters and Test Conditions
- IDD Specifications (Tcase: 0 to 95oC)
- Module Dimensions
Rev. 1.0/Sep. 2012 24
Differential Output Slew Rate
With the reference load for timing measurements, output slew rate for falling and rising edges is defined
and measured between VOLdiff (AC) and VOHdiff (AC) for differential signals as shown in table and Figure
below.
Differential Output slew Rate Definition
Differential Output Slew Rate Definition
Description
Measured
Defined by
From To
Differential output slew rate for rising edge
V
OLdiff (AC)
V
OHdiff (AC)
[V
OHdiff (AC)
-V
OLdiff (AC)
] / DeltaTRdiff
Differential output slew rate for falling edge
V
OHdiff (AC)
V
OLdiff (AC)
[V
OHdiff (AC)
-V
OLdiff (AC)
] / DeltaTFdiff
Notes:
1. Output slew rate is verified by design and characterization, and may not be subject to production test.
Differential Output Slew Rate
DDR3-800 DDR3-1066 DDR3-1333 DDR3-1600
Units
Parameter Symbol Min Max Min Max Min Max Min Max
Differential Output Slew Rate SRQdiff 510510510512V/ns
Description: SR; Slew Rate
Q: Query Output (like in DQ, which stands for Data-in, Query-Output)
diff : Differential Signals
For Ron = RZQ/7 setting
Delta
TFdiff
Delta
TRdiff
V
OHdiff(AC)
V
OLdiff(AC)
O
Differential Output Voltage(i.e. DQS-DQS)