Datasheet

AC and DC Logic Input Levels for Differential Signals
Differential signals definition
Differential swing requirement for clock (CK - CK) and strobe (DQS - DQS)
Differential AC and DC Input Levels(1.35V)
Symbol Parameter Min. Max. Units Notes
VIHdiff Differential input high +0.18 NOTE 3 V 1
VILdiff Differential input low NOTE 3 -0.18 V 1
VIHdiff(AC) Differential input high AC 2 x (VIH(AC) - VREF) NOTE 3 V 2
VILdiff(AC) Differential input low AC NOTE 3 2 x (VIL(AC) - VREF) V 2
Definition of differential ac-swing and "time above ac level" tDVAC
0.0
tDVAC
V
IH
.DIFF.MIN
half cycle
SQD-SQD .e.i( egatloV tupnI laitnereffiD
KC-KC , )
time
tDVAC
V
IH
.DIFF.AC.MIN
V
IL
.DIFF.MAX
V
IL
.DIFF.AC.MAX
AS4C128M16D3LB-12BCN
Confidential
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Rev.1.0 Mar 2016