PI3C3245Q datasheet(3/5 Pages) PERICOM

Part #	PI3C3245Q

Description	2.5V/3.3V, High Bandwidth, Hot Insertion 8-Bit, 2-Port, Bus Switch

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Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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3 / 5 page

PI3C3245

2.5V/3.3V, High Bandwidth,

Hot Insertion, 8-Bit, 2-Port, Bus Switch

3

PS8162D

05/09/06

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PI3C3245

Com.

Parameters Description

Conditions

Min.

Max.

Units

tPLH

Propagation Delay(1,2) CL = 50pF

0.25

tPHL

Ax to Bx

RL =500-ohm

tPZH

Bus Enable Time

1.5

6.5

ns

tPZL

BE to Ax or Bx

CL = 50pF

tPHZ

Bus Disable Time

RL =500-ohm

1.5

5.5

tPLZ

BE to Ax or Bx

R = 500-ohm

Power Supply Characteristics

Parameters Description

TestConditions

(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power

VCC=Max.

VIN =GND orVCC

260

500

Supply Current

ΔICC

Supply Current per

VCC = Max.

VIN = 3.0V(3)

750

Input HIGH

Notes:

1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.

2. Typical values are at VCC = 3.3V, +25°C ambient.

3. Per driven input (control input only); A and B pins do not contribute to

ΔICC.

Switching Characteristics over 3.3V Operating Range

μA

PI3C3245

Com.

Parameters Description

Conditions

Min.

Max.

Units

tPLH

Propagation Delay(1,2) CL = 50pF

0.25

tPHL

Ax to Bx

RL =500-ohm

tPZH

Bus Enable Time

1.5

9.8

ns

tPZL

BE to Ax or Bx

CL = 50pF

tPHZ

Bus Disable Time

RL =500-ohm

1.5

8.3

tPLZ

BE to Ax or Bx

R = 500-ohm

Switching Characteristics over 2.5V Operating Range

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.

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.

06-0244

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