参数资料
型号: PI3C3125QEX
厂商: Pericom
文件页数: 4/7页
文件大小: 0K
描述: IC 4-BIT BUS SW 2-PORT 16-QSOP
标准包装: 3,000
类型: FET 总线开关
电路: 4 x 1:1
电压电源: 单电源
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
4
PI3C3125
2.5V/3.3V, High Bandwidth, Hot Insertion,4-Bit,
2-Port Bus Switch with Individual Enables
PS8344A
07/22/10
Switching Characteristics over 3.3V Operating Range
Parameters
Description
Conditions
Com.
Units
Min.
Max.
tPLH
tPHL
PropogationDelay(1,2)
AtoB,BtoA
CL=50pF
RL=500-Ohm
0.25
ns
tPZH
tPZL
BusEnableTime
CL=50pF
RL=500-Ohm
R=500-Ohm
1.5
6.5
tPHZ
tPLZ
BusDisableTime
1.5
5.5
Notes:
1. ThisparameterisguaranteedbutnottestedonPropagationDelays.
2. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load
capacitance.Thetimeconstantfortheswitchaloneisoftheorderof0.25nsfor50pFload.Sincethistimeconstantismuchsmaller
thantherise/falltimesoftypicaldrivingsignals,itaddsverylittlepropagationaldelaytothesystem.Propagationaldelayofthebus
switchwhenusedinasystemisdeterminedbythedrivingcircuitonthedrivingsideoftheswitchanditsinteractionwiththeload
onthedrivenside.
Switching Characteristics over 2.5V Operating Range
Parameters
Description
Conditions
Com.
Units
Min.
Max.
tPLH
tPHL
PropogationDelay(1,2)
AtoB,BtoA
CL=50pF
RL=500-Ohm
0.25
ns
tPZH
tPZL
BusEnableTime
CL=50pF
RL=500-Ohm
R=500-Ohm
1.5
9.8
tPHZ
tPLZ
BusDisableTime
1.5
8.3
Notes:
1. ThisparameterisguaranteedbutnottestedonPropagationDelays.
2. ThebusswitchcontributesnopropagationaldelayotherthantheRCdelayoftheONresistanceoftheswitchandtheloadcapacitance.
Thetimeconstantfortheswitchaloneisoftheorderof0.25nsfor50pFload.Sincethistimeconstantismuchsmallerthanthe
rise/falltimesoftypicaldrivingsignals,itaddsverylittlepropagationaldelaytothesystem.Propagationaldelayofthebusswitch
whenusedinasystemisdeterminedbythedrivingcircuitonthedrivingsideoftheswitchanditsinteractionwiththeloadonthe
drivenside.
11-0003
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