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SWITCHINGCHARACTERISTICS
TMDS341
SLLS660A–AUGUST2005–REVISEDOCTOBER2005
overrecommendedoperatingconditions(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYP
(1)
MAXUNIT
tmdsdifferentialpins(y/z)
t
PLH
propagationdelaytime,低-至-高-leveloutput250800ps
t
PHL
propagationdelaytime,高-至-低-leveloutput250800ps
t
r
differentialoutputsignalrisetime(20%-80%)75240ps
t
f
differentialoutputsignalfalltime(20%-80%)75240ps
看Figure2,av
CC
=3.3v,
R
T
=50
Ω
,前=0v
t
sk(p)
pulseskew(|t
PHL
–t
PLH
|)750ps
t
sk(d)
intra-pairdifferentialskew,看Figure52350ps
t
sk(o)
inter-pairchannel-至-channeloutputskew
(2)
100ps
t
sk(pp)
部分-至-partskew
(3)
200ps
t
jit(pp)
顶峰-至-peakoutputjitterfromy/z(1)residualjitterseeFigure8,前=0v1530ps
am/bm=1.65gbpshdmidatapattern,
m=2,3,4
t
jit(pp)
顶峰-至-peakoutputjitterfromy/z(2:4)residualjitter1850ps
a1/b1=165mhzclock
看Figure4,前=v
CC
am/bm=250mbpshdmidatapattern,
t
前
de-emphasisduration240
(4)
ps
m=2,3,4
a1/b1=25mhzclock
t
SX
Selecttoswitchoutput610ns
t
en
EnabletimeSeeFigure6610ns
t
dis
Disabletime610ns
ddci/opins(scl,scl_下沉,sda,sda_下沉)
propagationdelayfromsclntoscl_sinkorsdanto
t
pd(ddc)
看Figure7,c
L
=10pf0.42.5ns
sda_sinkorsda_sinktosdan
controlandstatuspins(s,hpd_下沉,hpd)
t
pd(hpd)
propagationdelay(fromhpd_sinktotheactiveportofhpd)26.0ns
看Figure7,c
L
=10pF
t
sx(hpd)
switchtime(fromportselecttothelatestvalidstatusofhpd)36.5ns
(1)alltypicalvaluesareat25
°
candwitha3.3-vsupply.
(2)t
sk(o)
isthemagnitudeofthedifferenceinpropagationdelaytimesbetweenanyspecifiedterminalsofchannel2to4ofadevicewhen
inputsaretiedtogether.
(3)t
sk(pp)
isthemagnitudeofthedifferenceinpropagationdelaytimesbetweenanyspecifiedterminalsofchannel2to4oftwodevices,或者
betweenchannel1oftwodevices,whenbothdevicesoperatewiththesamesource,thesamesupplyvoltages,atthesame
温度,andhaveidenticalpackagesandtestcircuits.
(4)thetypicalvalueisensuredbysimulation.
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