Description
The MT8843 Calling Number Identification Circuit 2 (CNIC2) is a low power CMOS integrated circuit intended for receiving physical layer signals transmitted according to BT (British Telecom) SIN227 & SIN242, CTA (Cable TV Association) TW/ P&E/312 and Bellcore TR-NWT-000030 & SR-TSV002476 specificatio
Features
- Compatible with British Telecom (BT) SIN227 & SIN242, Cable Television Association (CTA) TW/P&E/312, and Bellcore TR-NWT-000030 & SR-TSV-002476 Ring and line reversal detection Bellcore "CPE Alerting Signal (CAS)" and BT "Idle State Tone Alert Signal" detection 1200 baud BELL 202 and CCITT V.23 Frequency Shift Keying (FSK) demodulation High input sensitivity Dual mode 3-wire data interface Low power CMOS with powerdown mode Input gain adjustable amplifier Carrier detect status output U.