SMSC USB2504, USB2504A User Manual

USB2504/USB2504A

Integrated USB 2.0
Compatible 4-Port Hub

PRODUCT FEATURES

 Integra ted USB 2.0 Compatible 4-Port Hub

— 4 Transaction Translators for highest performance
— High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and

Low-Speed (1.5Mbits/s) compatible

— Full power management with per port or ganged

selectable power control

— Detects Bus-Power/Self-Power source and changes

mode automatically

 Co mplete USB Specification 2.0 Compatibility

— Includes USB 2.0 Transceivers

 VID/PID/DID, and Port Configuration for Hub via:

— Single Serial I2C EEPROM
— SMBus Slave Port

 De fault VID/PID/DID, allows functionality when

configuration EEPROM is absent

 Ha rdware Strapping options allow for configuration

without an external EEPROM or SMBus Host

,

Data Brief

 On-Boa rd 24MHz Crystal Driver Circuit or 24 MHz

external clock driver

 Interna l PLL for 480MHz USB 2.0 Sampling
 Interna l 1.8V Linear Voltage Regulator
 Integ rated USB termination and Pull-up/Pull-down

resistors

 Interna l Short Circuit protection of USB differential

signal pins

 1 .8 Volt Low Power Core Operation
 3 .3 Volt I/O with 5V Input Tolerance
 6 4-Pin TQFP lead-free RoHS compliant package

SMSC USB2504/USB2504A PRODUCT PREVIEW Revision 2.3 (08-27-07)

Integrated USB 2.0 Compatible 4-Port Hub

ORDER NUMBERS:

USB2504/USB2504A-JT FOR 64 PIN TQFP LEAD-FREE ROHS COMPLIANT PACKAGE

80 ARKAY DRIVE, HAUPPAUGE, NY 11788 [phone], FAX [phone]

Copyright © 2007 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a mean s of illustrating typical applications. Conse quently, complete information sufficient for

construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC
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Revision 2.3 (08-27-07) 2 SMSC USB2504/USB2504A

PRODUCT PREVIEW