3

PI3L100

3.3V, Wide Bandwidth Quad 2:1, Mux/Demux LanSwitch

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PS8504

11/13/00

Notes:

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

4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified

frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is

guaranteed by design.

Power Supply Characteristics

Parameters

Description

Test Conditions

(1)

Min.

Typ

(2)

Max.

Units

Quiescent Power

—

0.1

3.0

µA

Supply Current

Supply Current per

(3)

—

—

750

µA

Input @ TTL HIGH

Supply Current per

—

—

0.25

mA/

Input per MHz

(4)

Input Pins Open

MHz

E = GND

Control Input Toggling

50% Duty Cycle

PI3L100

Com.

Parameters

Description

Min

Typ

Max

Unit

—

—

0.25

ns

In to Y

Bus Enable Time

1

—

4.5

ns

S to Y

Ω

Bus Disable Time

1

—

4.5

ns

E to Y

Crosstalk

—

–90

—

dB

f = 30 MHz

See Figure 2

Off Isolation

—

–45

—

dB

f = 30 MHz

–3dB Bandwidth

—

213

—

MHz

See Figure 2

Turn On Time

———

ns

Turn Off Time

—

—

—

ns

See Figure 1

Switching Characteristics over Operating Range

Notes:

1. See test circuit and waveforms.

2. This parameter is guaranteed but not tested.

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.