Datasheet > ISL54221

ISL54221

更新时间： 2024-11-25 14:58:19

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
13页	1073K
描述
High-Speed USB 2.0 (480Mbps) Multiplexer

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ISL54221 数据手册

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ISL54221

High-Speed USB 2.0 (480Mbps) Multiplexer

FN6820

Rev 0.00

December 16, 2008

The Intersil ISL54221 is a single supply dual 2:1 multiplexer

that can operate from a single 2.7V to 5.5V supply. It contains

two SPDT (Single Pole/Double Throw) switches configured as

a DPDT. The part was designed for switching or routing of

USB High-Speed signals and/or USB Full-speed signals in

portable battery powered products.

Features

• High-Speed (480Mbps) and Full-Speed (12Mbps)

Signaling Capability per USB 2.0

• 1.8V Logic Compatible (2.7V to +3.6V supply)

• Enable Pin to Open all Switches

The 6.7switches can swing rail to rail and were specifically

designed to pass USB full-speed data signals that range from

0V to 3.3V and USB high-speed data signals that range from

0V to 400mV. They have high bandwidth and low capacitance

to pass USB high-speed data signals with minimal distortion.

• Power OFF Protection

• D-/D+ Pins Overvoltage Tolerant to 5.5V

• -3dB Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . 742MHz

• Low ON Capacitance . . . . . . . . . . . . . . . . . . . . . . . . 7.4pF

• Low ON-Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . 6.7

The part can be used in Personal Media Players and other

portable battery powered devices that need to route USB

high-speed signals or full-speed signals to different

transceiver sections of the device while connected to a single

USB host (computer).

• Single Supply Operation (V ) . . . . . . . . . . . 2.7V to 5.5V

• Available in µTQFN Package

• Pb-Free (RoHS Compliant)

The digital logic inputs are 1.8V logic compatible when

operated with a 2.7V to 3.6V supply. The ISL54221 has an

output enable pin to open all the switches. It can be used to

facilitate proper bus disconnect and connection when

switching between the USB sources.

• Compliant with USB 2.0 Short Circuit and Overvoltage

Requirements Without Additional External Components

Applications

• MP3 and other Personal Media Players

• Cellular/Mobile Phones

• PDA’s

The ISL54221 is available in a tiny 10 Ld 2.1mmx1.6mm

µTQFN package. It operates over a temperature range of

-40 to +85°C.

• Digital Cameras and Camcorders

• USB Switching

Application Block Diagram

µCONTROLLER

ISL54221

SEL

LOGIC CIRCUITRY

VBUS

D-

USB

HIGH-SPEED

FULL-SPEED

TRANSCEIVER

HSD1-

HSD1+

D-

USB

HIGH_SPEED

FULL-SPEED

TRANSCEIVER

D+

HSD2-

HSD2+

D+

GND

PORTABLE MEDIA DEVICE

FN6820 Rev 0.00

December 16, 2008

Page 1 of 13

12 3 4 5 6 7...13

中文翻译

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与ISL54221相关器件

型号	品牌	获取价格	描述	数据表
ISL54221IRUZ-T	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54221IRUZ-T7	RENESAS	获取价格	DPDT
ISL54222	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222_09	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222A	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222A	RENESAS	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222A_10	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222AIRTZ	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222AIRTZ-T	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer
ISL54222AIRU1Z-T	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) Multiplexer

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