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PEF20525 - 2 Channel Serial Optimized Communication Controller for HDLC/PPP
PEF3460E - Single channel T3/E3 Framer & Line Interface for ATM/ Frame Relay and PPP/IP
XRT79L72 - 2-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L73 - 3-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L74 - 4-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
KIA2015FN - RIPPPLE FILTER
XRT79L71 - 1-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC