The Analog Devices DS21554L is a single-chip transceiver designed for E1 lines. It offers on-board clock/data recovery and supports various E1 specifications.
The Analog Devices Inc. DS21554LB is a single-chip transceiver for E1 lines. It operates at 5V with a current draw of 75mA and is housed in a 100-LQFP surface mount package.
