PI5C3303 datasheet(3/5 Pages) PERICOM

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PS8367D

10/14/04

PI5C3303

SOTiny™ 2:1 Mux/DeMux Bus Switch

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

VCC = Max.

VIN = 3.4V(3)

2.5

Switching Characteristics over Operating Range

Parameters

Description

Test Conditions(3)

VCC = 4.5V

VCC = 4V

Units

Min.

Max.

Min.

Max.

tPLH

tPHL

Propogation Delay(1, 2)

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:

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

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

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

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 his 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.

See test circuit and waveforms.

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