Telephony

Caller ID

• MT88E39 Extended Voltage Calling Number Identification Circuit for CLIP and CID applications (Type 1)
• MT88E43B Extended Voltage Calling Number Identification Circuit for CLIP, CID and CIDCW applications (Type 2)
• MT88E45B Dual Inputs Extended Voltage Calling Number Identification Circuit for CLIP, CID and CIDCW applications (Type 2)
• MT88E46 Dual Inputs Bellcore Compliant Extended Voltage Calling Number Identification Circuit for CID, CIDCW and CWD (Type 2 and 2.5)

Integrated Digital Phones

• MT9092 Fully Featured Digital Telephone Circuit with Embedded HDLC Transceiver and DSP for Tone Generations and Hands Free Operation
• MT9094 Fully Featured Digital Telephone Circuit with Embedded DSP for Tone Generation and Hands Free Operation
• MT9196 Fully Featured Digital Telephone Circuit with Built-in Filter/CODEC, Digital Gain Pads, DTMF Generator, Tone Ringer, and Handset and Speakerphone Transducers

DTMF (Dual Tone Multiple Frequency)-Receivers

• MT3171B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
• MT3270B Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection (4.19 MHz Xtal)
• MT3271B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection (4.19 MHz Xtal)
• MT3370B Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
• MT3371B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
• MT8870D Integrated DTMF Receiver with Enhance Sensitivity
• MT88L70 3 Volt Integrated DTMF Receiver
• ZL49010 Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal)
• ZL49020 Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Tone Detection (3.58 MHz Xtal)
• ZL49021 Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection (3.58 MHz Xtal)
• ZL49031 Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal)

DTMF (Dual Tone Multiple Frequency)-Transceivers

• MT8880C Integrated DTMF Transceiver with Motorola Compatible Processor Interface
• MT8885 Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface
• MT8888C Integrated DTMF Transceiver with Intel Micro Interface
• MT8889C Integrated DTMF Transceiver with Adaptive Micro Interface
• MT88L85 3 V Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface
• MT88L89 3 V Integrated DTMF Transceiver with Adaptive Micro Interface

Digital Subscriber Network Interface Circuit

• MT9171 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM)
• MT9172 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 KM)
• MT9173 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM) with Loop Length Measurement Capability for Wireless Base Station Applications
• MT9174 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 Km) with Loop Length Measurement Capability for Wireless Base Stations