ISP1122A Datasheet

High performance USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data transceivers and 3.3 V voltage regulator
Complies with Universal Serial Bus Specification Rev. 1.1and ACPI, OnNow and USB power management requirements
Configurable from 2 to 5 downstream ports with automatic speed detection
Internal power-on reset and low voltage reset circuit
Supports bus-powered, hybrid-powered and self-powered application
Individual or ganged power switching for downstream ports
Individual or global port overcurrent protection with built-in sense circuits
6 MHz crystal oscillator with on-chip PLL for low EMI
Visual USB traffic monitoring (GoodLink^TM) for hub and downstream ports
I²C-bus interface to read vendor ID, product ID and configuration bits from external EEPROM
Operation over the extended USB bus voltage range (4.0 to 5.5 V)
Operating temperature range -40 to +85 Cel
8 kV in-circuit ESD protection for lower cost of external components
Full-scan design with high test coverage
Available in 32-pin SDIP, SO and LQFP packages.

ISP1122A