Main Features of HFC-Series and XHFC-Series  

  • integrated ISDN line interfaces
    for Basic Rate S/T and UpN/Up0 or Primary Rate E1
    (configurable into TE / NT mode by software)

  • deep FIFOs
    (the largest FIFO size of all ISDN ICs)

  • low power consumption
    (e.g. only 19mA for XHFC-1SU)

  • easy connection of telecom ICs,
    such as CODECs, DSPs and broadband processors
    (built-in PCM bus interface for serial telecom highway)

  • built-in switching functionality
    (via PCM bus by using the built-in time-slot-assigner)

  • fully digital chip architecture
    (manufactured in pure digital CMOS technology)

  • excellent price
    (single-chip solutions and high functional integration
    result in low BOM costs)

  • generic Linux driver support available for all chips





  ISDN Controller ICs  

  • XHFC-1SU - ISDN HDLC FIFO controller with internal FIFOs, integrated S/T or UpN/Up0 interface and microprocessor interface

  • XHFC-2SU - ISDN HDLC FIFO controller with internal FIFOs, two integrated S/T or UpN/Up0 interfaces and microprocessor interface

  • XHFC-2S4U - ISDN HDLC FIFO controller with internal FIFOs, two integrated S/T or four UpN/Up0 interfaces and microprocessor interface

  • XHFC-4SU - ISDN HDLC FIFO controller with internal FIFOs, four integrated S/T or UpN/Up0 interfaces and microprocessor interface

  • HFC-4S - ISDN HDLC FIFO controller with 4 integrated S/T interfaces for embedded applications and PC applications

  • HFC-8S - ISDN HDLC FIFO controller with 8 integrated S/T interfaces for embedded applications and PC applications

  • HFC-E1 - ISDN HDLC FIFO controller with integrated E1 (S2M) interface for primary rate applications (embedded applications and PC applications)





  Discontinued Products  

  • HFC-S+ - ISDN HDLC FIFO controller with integrated S/T interface and microprocessor interface for embedded applications

  • HFC-SP - ISDN HDLC FIFO controller with integrated S/T interface and ISA-PnP / PCMCIA interface for ISDN PCMCIA cards

  • HFC-S PCI A - ISDN HDLC FIFO controller with integrated S/T interface and PCI bus interface for ISDN PCI add-on cards

  • HFC-S USB - ISDN HDLC FIFO controller with internal FIFOs, integrated S/T interface and USB interface for single-chip ISDN USB terminal adapters

  • HFC-S mini - ISDN HDLC FIFO controller with internal FIFOs, integrated S/T interface and microprocessor interface for embedded applications

  • HFC-S active - ISDN telecommunication microprocessor system with integrated ARM7TM CPU, ISDN S/T interface, CODECs and USB interface





The information presented can not be considered as assured characteristics. Data can change without notice. Parts of the information presented may be protected by patent or other rights.




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The ISDN Chip Company!
Last Modified: 19/05/2014