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USB2503

SMSC Corporation
Part Number USB2503
Manufacturer SMSC Corporation
Description Integrated USB2.0 Compatible 3-Port Hub
Published Mar 15, 2007
Detailed Description www.DataSheet4U.com USB2503/ USB2503A Integrated USB 2.0 Compatible 3-Port Hub PRODUCT FEATURES „ Datasheet „ Integr...
Datasheet PDF File USB2503 PDF File

USB2503
USB2503

Overview
www.
DataSheet4U.
com USB2503/ USB2503A Integrated USB 2.
0 Compatible 3-Port Hub PRODUCT FEATURES „ Datasheet „ Integrated USB 2.
0 Compatible 3-Port Hub — 3 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 „ „ „ „ Complete 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 „ „ „ On-Board 24MHz Crystal Driver Circuit or 24 MHz external clock driver Internal PLL for 480MHz USB 2.
0 Sampling Internal 1.
8V Linear Voltage Regulator Integrated USB termination and Pull-up/Pull-down resistors Internal Short Circuit protection of USB differential signal pins 1.
8 Volt Low Power Core Operation 3.
3 Volt I/O with 5V Input Tolerance 48 Pin QFN lead-free RoHS compliant package „ „ Default VID/PID/DID, allows functionality when configuration EEPROM is absent Hardware Strapping options allow for configuration without an external EEPROM or SMBus Host SMSC USB2503/USB2503A DATASHEET Revision 2.
1 (12-06-06) Integrated USB 2.
0 Compatible 3-Port Hub Datasheet ORDER NUMBERS: USB2503/USB2503A-HZH FOR 48 PIN QFN LEAD-FREE ROHS COMPLIANT PACKAGE 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2006 SMSC or its subsidiaries.
All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications.
Consequently, 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 reserves the right to make changes to specifications and product descriptions at any time without notice.
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