Description
The MT88E39 Calling Number Identification Circuit (CNIC1.1) is a CMOS integrated circuit which provides an interface to calling line information delivery services that utilize 1200 baud Bell 202 or CCITT V.23 FSK data transmission schemes.
Features
- 1200 baud Bell 202 and CCITT V.23 Frequency Shift Keying (FSK) demodulation Compatible with Bellcore GR-30-CORE, SR-TSV-002476, TIA/EIA-716 and ETSI 300 778-1 High input sensitivity Dual mode 3-wire data interface (Serial FSK data stream or MT88E43 compatible 1 byte buffer) Internal gain adjustable amplifier Carrier detect status output Uses 3.579545 MHz crystal or ceramic resonator 3 to 5V ±10% supply voltage Low power CMOS with power down mode Direct pin to pin replacement o.