SKU: xhfc-1su Category:


Recommended for new projects

- In mass production
- Available from stock in volumes


  • Low power consumption
  • Easy inter-chip connection to telecom ICs
  • Fully digital chip architecture
  • Excellent lead times
  • Competitive price
  • Comprehensive software support


The XHFC-1SU is a single-chip ISDN transceiver for one ISDN S/T or UpN/Up0 Basic Rate Interface with integrated HDLC controller for all kinds of BRI equipment.

The integrated microprocessor bus interface of the XHFC-1SU can be configured to 8 bit parallel microprocessor interface or serial processor interface (SPI). A PCM128 / PCM64 / PCM30 interface for CODEC or inter-chip connection is also integrated. The deep FIFOs of the XHFC-1SU are realized with an internal SRAM.


Technology Element Details
S/T interfaces 1
UpN/Up0 interfaces 1
Bus interfaces SPI, 8 bit parallel
CODEC or inter-chip connection PCM128 / PCM64 / PCM30
Package LQFP 64