www.DataSheet4U.com
USB2503/ USB2503A
Integrated USB 2.0 Compatible 3-Port Hub
PRODUCT FEATURES
Datasheet
Integr...
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 ...