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8-Bit Bus Switch, 2-Enable High or Low

1.8V/2.5V/3.3V, High-Bandwidth, Hot Plug

2015-07-0018

PT0473-3

08/05/15

1

PI3CH3345

Features



Near-Zero propagation delay



5-ohm switches connect inputs to outputs



High signal passing bandwidth (500 MHz)



Beyond Rail-to-Rail switching

- 0 to 5V switching with 3.3V power supply

- 0 to 3.3V switching with 2.5V power supply



5V I/O tolerant with supply in OFF and ON state



1.8V, 2.5V and 3.3V supply voltage operation



Hot Insertion Capable



Industrial Operating Temperature: -40º

C to +85º

C



8kV ESD Protection (human body model)



Latch-up Performance: >200mA per JESD17



Packaging (Pb-free & Green available):

-20-pin 173-mil wide plastic TSSOP (L)

-20-pin TQFN(ZH)

Pin Configuration

Block Diagram

Description

The PI3CH3345 is a Low-voltage, 8-channel switch

designed with fast enables. The switch creates no

additional ground bounce noise or propagation delay.

The PI3CH3345 device has two active LOW

enables. It is very useful in switching signals that have

high bandwidth (500 MHz).

Applications



High Bandwidth Data Switching



Hot-Docking



Analog Signal Switching



Differential Signal Switching

Pin Description

Pin No

Pin Name

Description

1, 19

1111111

EN, EN

Switch Enable

2-9

A0-A7

A Ports

11-18

B7-B0

B Ports

10

GND

Ground

20

Power

Note:

1. H=High Voltage Level; L=Low Voltage Level

Hi-Z= High Impedance.

B0-B7

EN

EN

Function

Hi-Z

L

H

Disconnect

A0-A7

H

H

Connect

A0-A7

L

L

Connect

A0-A7

H

L

Connect

TSSOP

TQFN