参数资料
型号: PI3USB221XAEX
厂商: PERICOM SEMICONDUCTOR CORP
元件分类: 多路复用及模拟开关
英文描述: DIFFERENTIAL MULTIPLEXER, QCC10
封装: GREEN, MO-228, TLLGA-10
文件页数: 8/12页
文件大小: 1054K
代理商: PI3USB221XAEX
5
PS9053
10/28/09
PI3USB221
High-Speed USB2.0 1:2 Multiplexer/
DeMultiplexer Switch with Signal Enable
SWITCHING CHARACTERISTICSoveroperatingrange,TA=–40°Cto85°C,VDD=3.3V±10%,GND=0V
Symbol
Parameter
Min
Typ1
Max
Unit
tpd
PropagationDelay2,3
0.25
ns
tON
Lineenabletime
StoD,nD
125
OEtoD,nD
100
tOFF
Linedisabletime
StoD,nD
12
OEtoD,nD
12
tSK(O)
Outputskewbetweencenterporttoanyotherport2
0.1
0.2
tSK(P)
Skewbetweenoppositetransitionsofthesameoutput
(tPHL–tPLH)2
0.1
0.2
Notes:
1. ForMaxorMinconditions,usetheappropriatevaluespecifiedunderElectricalCharacteristicsfortheapplicabledevicetype.
2. Specifiedbydesign
3. TheswitchcontributesnopropagationaldelayotherthantheRCdelayoftheonresistanceoftheswitchandtheloadcapacitance.Thetime
constantfortheswitchaloneisoftheorderof0.25nsfor10-pFload.Sincethistimeconstantismuchsmallerthantherise/falltimesoftypical
drivingsignals,itaddsverylittlepropagationaldelaytothesystem.Propagationaldelayofthebusswitch,whenusedinasystem,isdetermined
bythedrivingcircuitonthedrivingsideoftheswitchanditsinteractionswiththeloadonthedrivenside.
09-0004
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