PI3C3125(2017) 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI3C3125
(Rev.:2017)

2.5V/3.3V, High Bandwidth, Hot Insertion,4-Bit, 2-Port Bus Switch with Individual Enables

Pericom Semiconductor 

A product Line of

Diodes Incorporated

PI3C3125/PI3C3126

PI3C3125/PI3C3126 Switching Characteristics over 3.3V Operating Range

Parameters Description

tPLH

Propogation Delay(1,2)

tPHL

A to B, B to A

Conditions

CL =50pF

RL = 500Ω

PI3C3125/PI3C3126

Com.

Min.

Max.

0.25

Units

ns

tPZH

Bus Enable Time

tPZL

tPHZ

Bus Disable Time

tPLZ

CL =50pF

RL = 500Ω

R = 500Ω

1.5

6.5

1.5

5.5

Notes:

1. This parameter is guaranteed but not tested on Propagation Delays.

2. 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 Switching Characteristics over 2.5V Operating Range

Parameters Description

tPLH

Propogation Delay(1,2)

tPHL

A to B, B to A

Conditions

CL =50pF

RL = 500Ω

PI3C3125/PI3C3126

Com.

Min.

Max.

0.25

Units

ns

tPZH

Bus Enable Time

tPZL

tPHZ

Bus Disable Time

tPLZ

CL =50pF

RL = 500Ω

R = 500Ω

1.5

9.8

1.5

8.3

Notes:

1. This parameter is guaranteed but not tested on Propagation Delays.

2. 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.

4.0

VCC

V

3.8V

3.1V

3.6V

2.9V

3.4V

2.7V

3.2V

2.5V

2.3V

3.0V

2.8V

2.0

PI3C3125/PI3C3126

Document Number DS40194 Rev 1-2

0.0

0.0

1.0

2.0

3.0

4.0

5.0

VIN (V)

Switch Output Voltage vs. Input Voltage over Various Supply Voltages

www.diodes.com

4

September 2017

Diodes Incorporated

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