USB2503/USB2503A
Integrated USB 2.0 Compatible 3-Port Hub
Highlights 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 Default VID/PID/DID, allows functionality when
configuration EEPROM is absent Hardware Strapping options allow for configuration without an external EEPROM or SMBus Host 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 RoHS compliant package пѓЈ 2007 -2016 Microchip Technology Inc. DS000002249A-page 1 USB2503/USB2503A TO OUR VALUED CUSTOMERS
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