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PI3C3125 Fiches technique(PDF) 4 Page - Pericom Semiconductor Corporation

No de pièce PI3C3125
Description  2.5V/3.3V, High Bandwidth, Hot Insertion,4-Bit, 2-Port Bus Switch with Individual Enables
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Fabricant  PERICOM [Pericom Semiconductor Corporation]
Site Internet  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PI3C3125 Fiches technique(HTML) 4 Page - Pericom Semiconductor Corporation

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PS8153B
12/10/99
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PI3C3125/PI3C3126
2.5V/3.3V,HighBandwidth,
Hot Insertion, 4-Bit, 2-Port Bus Switch
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the
ON resistance of the switch and the load capacitance. The time constant for the
switch alone is of the order of 0.25ns for 50pF load. Since this time constant is
much smaller than the rise/fall times of typical driving signals, it adds very little
propagational delay to the system. Propagational delay of the bus switch when
used in a system is determined by the driving circuit on the driving side of the
switch and its interaction with the load on the driven side.
PI3C3125/PI3C3126
Com.
Parameters Description
Conditions(1)
Min.
Max.
Units
tPLH
Propagation Delay(2,3) CL = 50 pF,
0.25
tPHL
A to B, B to A
RL = 500Ω
tPZH
Bus Enable Time
1.5
9.8
ns
tPZL
CL = 50 pF,
tPHZ
Bus Disable Time
RL = 500Ω,
1.5
8.3
tPLZ
R = 500
PI3C3125/PI3C3126
Com.
Parameters Description
Conditions
(1)
Min.
Max.
Units
tPLH
Propagation Delay
(2,3)
CL = 50 pF,
0.25
tPHL
A to B, B to A
RL = 500Ω
tPZH
Bus Enable Time
1.5
6.5
ns
tPZL
CL = 50 pF,
tPHZ
Bus Disable Time
RL = 500Ω,
1.5
5.5
tPLZ
R = 500
PI3C3125/PI3C3126 Switching Characteristics over 2.5V Operating Range
PI3C3125/PI3C3126 Switching Characteristics over 3.3V Operating Range


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