- Four Complete E1 (CEPT) PCM-30/ISDN-PRI Transceivers
- Pin Compatible with the DS21Q50
- Long-Haul and Short-Haul Line Interfaces
- 32-Bit or 128-Bit Crystal-Less Jitter Attenuator
- Frames to FAS, CAS, and CRC4 Formats
- CAS/CCS Signaling Support
- 4MHz/8MHz/16MHz Clock Synthesizer
- Flexible System Clock with Automatic Source Switching on Loss-of-Clock Source
- Two-Frame Elastic-Store Slip Buffer on the Receive Side
- Interleaving PCM Bus Operation Up to 16.384MHz
- Configurable Parallel and Serial Port Operation
- Detects and Generates Remote and AIS Alarms
- Fully Independent Transmit and Receive Functionality
- Four Separate Loopback Functions
- PRBS Generation/Detection/Error Counting
- 3.3V Low-Power CMOS
- Large Counters for Bipolar and Code Violations, CRC4 Codeword Errors, FAS Word Errors, and E Bits
- Eight Additional User-Configurable Output Pins
- 100-Pin (14mm) LQFP Package
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