PEF20954
Smart Integrated Digital Echo Canceller (Infineon)
PEF2015
Mini IOM-2 Controller MICO (Siemens Semiconductor Group)
PEF2015
ICs for Communications (Infineon Technologies AG)
PEF2023
ISDN DC Converter Circuit IDCC (Siemens Semiconductor Group)
PEF20321
Multichannel Network Interface Controller for HDLC (Infineon Technologies AG)
PEF20324
ICs for Communications (Infineon Technologies AG)
PEF2045
Memory Time Switch CMOS (Siemens Semiconductor)
PEF20451
(PEF2x4x1) Switching IC (Infineon Technologies)
PEF20471
(PEF2x471) Switching IC (Infineon Technologies)
PEF20525
2 Channel Serial Optimized Communication Controller for HDLC/PPP (Infineon Technologies AG)