Description
DS2154 Enhanced E1 Single Chip Transceiver www.dalsemi.com .
The DS2154 Enhanced Single-Chip Transceiver (ESCT) contains all of the necessary functions for connection to E1 lines.
Features
* Complete E1(CEPT) PCM-30/ISDN-PRI transceiver functionality Onboard long- and short-haul line interface for clock/data recovery and waveshaping 32-bit or 128-bit crystal-less jitter attenuator Generates line build outs for both 120Ω=and 75Ω=lines Frames to FAS, CAS, and CRC4 formats Dual onboard two
Applications
* Fully independent transmit and receive functionality Full access to both Si and Sa bits aligned with CRC multiframe Four separate loopbacks for testing functions Large counters for bipolar and code violations, CRC4 codeword errors, FAS errors, and E bits Pin compatible with DS2152 T1 Enhanced Single