PI3VT3245-A datasheet(1/5 Pages) PERICOM

No. de pieza	PI3VT3245-A

Descripción Electrónicos	8-Bit, 2-Port, Low Voltage Translator Bus Switch

PDF	5 Pages

Scroll/Zoom	100%

Fabricante Electrónico	PERICOM [Pericom Semiconductor Corporation]

Página de inicio	http://www.pericom.com

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1 / 5 page

1

10/04/11

Truth Table(1)

Function

BE

A0-7

Disconnect

H

Hi-Z

Connect

L

B0-7

Description

PericomSemiconductor’sPI3VTseriesoflogiccircuitsareproduced

using the Company’s advanced submicron CMOS technology,

achieving industry leading performance.

The PI3VT3245-A is a 2.5V or 3.3V 8-bit, 2-port bus switch

designed with a low On-Resistance (5Ω). The switches are turned

ON or enabled by the Bus Enable (BE) input signal.

Given a 3.3V supply and an input voltage of 3.3V, the switch

translates to an output voltage of 2.5V. Similarly, when operated

with a 2.5V supply and given 2.5V inputs, the device translates

the outputs to 1.8V.

Notes:

1. H = High Voltage Level

L = Low Voltage Level

Hi-Z = High Impedance

Block Diagram

Pin Description

Pin Name

Description

BE

Bus Enable Input (Active Low)

A0-A7

Bus A

B0-B7

Bus B

VCC

Power

GND

Ground

Pin Configuration

Features

• Near-Zero propagation delay

• Low On-Resistance switches connect inputs to outputs

• 2.5V to 3.3V Supply voltage operation

• 2.5V or 1.8V switching

• Packaging (Pb-free & Green available):

– 20-pin, 150-mil wide plastic QSOP (Q)

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

Applications

• 3.3V to 2.5V level shifting (voltage translation)

• 2.5V to 1.8V level shifting (voltage translation)

VCC

BE

B0

B1

B2

B3

B4

B5

B6

B7

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

NC

A0

A1

A2

A3

A4

A5

A6

A7

GND

BE

A7

A0

B7

B0

PI3VT3245-A

8-Bit, 2-Port, Low Voltage

Translator Bus Switch

12-0245

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PI3VT3245-A Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

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