PI5C3305LEX datasheet(3/6 Pages) PERICOM

3 / 6 page

PS8331I

12/02/09

PI5C3305

2-Bit Bus Switch with Individual Enables

Switching Characteristics Over Operating Range

Parameters

Description

Test Conditions(1)

VCC = 5V ± 10%

VCC = 4V

Units

Min.

Max.

Min.

Max.

tPLH

tPHL

Propagation Delay(2, 3)

A to B, B to A

CL = 50pF

RL = 500Ω

0.25

tPZH

tPZL

Bus Enable Time

1.0

4.9

5.5

tPHZ

tPLZ

Bus Disable Time

1.0

4.2

4.5

Notes:

See test circuit and waveforms.

This parameter is guaranteed but not tested on Propagation Delays.

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.

Power Supply Characteristics

Parameters

Description

Test Conditions(1)

Min.

Typ.(2)

Max.

Units

ICC

Quiescent Power Supply

Current

VCC = Max.

VIN = GND or VCC

0.1

3.0

μA

ICC

Supply Current per Input @

TTL HIGH

VIN = 3.4V(3)

2.5

Notes:

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

Typical values are at VCC = 5.0V, +25°C ambient.

Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to ICC.

09-0007

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