Logo Cologne Chip

Cologne Chip is manufacturer of ISDN ICs since 1994.

Taking a leading position on the world market,
the company is known for offering ideal chip solutions
for a broad range of ISDN applications.

Long-term availability is understood.


  The ISDN Chip Vendor that You can rely on!  


XHFC - These letters stand for the latest series of ISDN ICs, each of them integrating S/T and Up interfaces into one Basic Rate ISDN tranceiver.

One IC family fits it all: These ISDN Controller ICs are available in port granularities from 1 up to 4 ISDN interfaces. So they are tailored for almost all BRI applications. To find out more, please click here!
XHFC-2SU  





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The ISDN Chip Company!
Logo Invent a Chip 2016 Cologne Chip is official sponsor
of "Invent a Chip 2017",
a German contest searching for
young talents in IC design.