PI3L301DA datasheet(4/9 Pages) PERICOM

4 / 9 page

PS8665B

07/22/03

PI3L301D

3.3V, 16-Bit to 8-Bit, Mux/DeMux

Gigabit Ethernet LAN Switch with Single Enable

Notes:

1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.

Dynamic Electrical Characteristics Over the Operating Range (TA=-40º to +85ºC, VCC=3.3V±10%, GND=0V)

Parameter

Description

Test Conditions

Min.

Typ.(2)

Max.

Units

XTALK

Crosstalk

f = 250MHz, See Fig. 2

-27

OIRR

OFF Isolation

f = 250MHz, See Fig. 3

-32

Bandwidth –3dB

CL = 10pf, See Fig. 1

350

MHz

Notes:

1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Guaranteed by design.

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 10pF 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 interactions with the load on the driven side.

Power Supply Characteristics

Parameters

Description

Test Conditions(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power Supply Current

VCC = Max., VIN = GND or VCC

800

µA

Notes:

1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.

3. Measured by the voltage drop between A and B pins at indicated current through the switch. On-Resistance is determined by the lower of the

voltages on the two (A & B) pins.

4. This parameter is determined by device characterization but is not production tested.

5. Measured on worst case corner pin.

Capacitance (TA = 25°C, f = 1MHz)

Parameters(4)

Description

Test Conditions

Typ.

Max.

Units

CIN

Input Capacitance

VIN = 0V

3.1

3.6

COFF(B1, B2)

Port B Capacitance, Switch OFF

2.8

6.0

CON(A/B)

A/B Capacitance, Switch ON

9.5(5)

10.9

Switching Characteristics

Paramenter

Description

Test

Conditions Min. Typ.

(2)

Max. Units

tPD

Propagation Delay(2,3)

0.25

tPZH, tPZL

Line Enable Time - SEL to AN, BN

0.5

tPHZ, tPLZ

Line Disable Time - SEL to AN, BN

0.5

tSK(o)

Output Skew between center port (A4 to A5) to any other port(2)

0.1

0.2

tSK(p)

Skew between opposite transitions of the same output

(tPHL - tPLH) (2)

0.1

0.2

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