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    Manufacturer: FTDI

    This product is discontinued.



    The FT8U100AX is not recommended for new designs - consult FTDI Support before implementing a design based on this IC.


    The FT8U100AX multi-function USB 1.1 hub controller IC is a popular choice for USB docking stations and other products requiring multiple legacy ports.  Features include inbuilt RS232 serial, PS/2 mouse and keyboard ports combined with up to 7 other USB hub ports which can be used for USB expansion or to provide further legacy ports in conjunction with other USB legacy support ICs.  The FT8U100AX is supplied in a 100LD QFP package.


    Product Information

    Key Hardware Features

    • High integration USB hub controller
    • 7 downstream and 1 upstream USB hub ports
    • Embedded peripherals including
    • RS232 serial port
    • PS/2 keyboard port
    • PS/2 mouse port supporting
    • 2 button PS/2 mouse
    • 3 button PS/2 mouse
    • Thumb-wheel PS/2 mouse
    • IRDA SIR port
    • IR remote control port
    • Master/slave 2-wire serial bus
    • 2 status LEDs per USB port which indicate
    • High/low speed peripheral
    • USB peripheral bus traffic
    • Peripheral over-current error
    • Peripheral babble/EOF error
    • USB reset condition
    • USB suspend condition
    • Power control/overload detect on each individual USB port
    • External firmware in OTP ROM
    • 3.3V supply operation
    • UHCI/OHCI compliant
    • USB 1.1 specification compliant
    • 100-pin PQFP package


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