Datasheet

Differential Input Cross Point Voltage
Table 109. Differential Input Slew Rate Definition for DQS, DQS#
Description
Measured
Defined by
From
To
Differential input slew rate for rising edge (DQS - DQS#)
V
ILDiff_DQS
V
IHDiff_DQS
|V
ILDiff_DQS
- V
IHDiff_DQS
| / DeltaTRdiff
Differential input slew rate for falling edge (DQS - DQS#)
V
IHDiff_DQS
V
ILDiff_DQS
|V
ILDiff_DQS
- V
IHDiff_DQS
| / DeltaTFdiff
Table 110. Differential Input Level for DQS, DQS#
Symbol
Parameter
DDR4-2400
DDR4-2666
Unit
Note
Min.
Max.
Min.
Max.
V
IHDiff_DQS
Differntial Input High
130
-
TBD
TBD
mV
V
ILDiff_DQS
Differntial Input Low
-
130
TBD
TBD
mV
Table 111. Differential Input Slew Rate for DQS, DQS#
Symbol
Parameter
DDR4-2400
DDR4-2666
Unit
Note
Min.
Max.
Min.
Max.
SRIdiff
Differential Intput Slew Rate
3
18
TBD
TBD
V/ns
AS4C256M16D4
Confidential
- 196 of 201 -
Rev.1.0 Aug.2019