Datasheet

DDR3L 1.35V Slew Rate Definitions for Differential Input Signals
Input slew rate for differential signals (CK, CK# and DQS, DQS#) are defined and meas-
ured, as shown in Table 28 and Figure 18. The nominal slew rate for a rising signal is
defined as the slew rate between V
IL,diff,max
and V
IH,diff,min
. The nominal slew rate for a
falling signal is defined as the slew rate between V
IH,diff,min
and V
IL,diff,max
.
Table 28: DDR3L 1.35V Differential Input Slew Rate Definition
Differential Input
Slew Rates
(Linear Signals)
Measured
CalculationInput Edge From To
CK and
DQS
reference
Rising V
IL,diff,max
V
IH,diff,min
V
IH,diff,min
- V
IL,diff,max
ΔTR
diff
Falling V
IH,diff,min
V
IL,diff,max
V
IH,diff,min
- V
IL,diff,max
ΔTF
diff
Figure 18: DDR3L 1.35V Nominal Differential Input Slew Rate Definition for DQS, DQS# and CK, CK#
ΔTR
diff
ΔTF
diff
V
IH,diff,min
V
IL,diff,max
0
Differential input voltage (DQS, DQS#; CK, CK#)
8Gb: x4, x8, x16 DDR3L SDRAM
Electrical Specifications – DC and AC
49
Rev 2.0 June 2016
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