Framer E1 3.3V 80-Pin TQFP
Line Interface Unit 2.048Mbps E1 Short Parallel/Serial 80-Pin TQFP Tray
Framer E1 3.3V 80-Pin TQFP T/R
IDT 82V2052EPFG Dual Transceiver
Dual Transceiver TQFP Surface Mount 3.13V to 3.47V -40°C to 85°C