The Analog Devices DS3150T is a Telecom IC designed for DS3, E3, and STS-1 line interfacing. It integrates transmitter, receiver, and jitter attenuation functions.
The Analog Devices / Maxim Integrated DS21348TN is a single E1/T1/J1 Line Interface Unit (LIU) IC. It operates at 3.3V and is housed in a 44-TQFP package.
The Analog Devices DS26303LN-120+ is an 8-channel short-haul line interface unit (LIU) supporting E1/T1/J1 from a single 3.3V power supply. It is available in a 144-LQFP Exposed Pad package and operates from -40°C to 85°C.
The Analog Devices DS3254A3+ is a quad-channel Line Interface Unit (LIU) designed for DS3, E3, or STS-1 line interfaces. It operates at 3.3V and is housed in a 144-TECSBGA package.