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CMOS
MT88E43
Extended
Voltage Calling Number Identification Circuit 2
Features
• Compatible with: British Telecom (BT) SIN227 & SIN242 U.
K.
’s Cable Communications Association (CCA) specification TW/P&E/312 • Bellcore GR-30-CORE (formerly known as TR-NWT-000030) & SR-TSV-002476 Bellcore "CPE Alerting Signal (CAS)" and BT "Idle State Tone Alert Signal" detection Ring and line reversal detection 1200 baud Bell 202 and CCITT V.
23 Frequency Shift Keying (FSK) demodulation 3 or 5V ±10% supply
voltage High input sensitivity (-40dBV Tone and FSK Detection) Selectable 3-wire data interface (microcontroller or MT88E43 controlled) Low power
CMOS with powerdown mode Input gain ad...