HomedatasheetM-8880

M-8880 Datasheet

M-8880 DTMF Transceiver
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Description

The M-8880 is a complete DTMF Transmitter/Receiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 6500/6800 microprocessor interface.

• Advanced CMOS technology for low power consumption
   and increased noise immunity
• Complete DTMF transmitter/receiver in a single chip
• Standard 6500/6800 series microprocessor port
• Central office quality and performance
• Adjustable guard time
• Automatic tone burst mode
• Call progress mode
• Single +5 Volt power supply
• 20-pin DIP and SOIC packages
• 2 MHz microprocessor port operation
• Inexpensive 3.58 MHz crystal
• No continuous f2 clock required, only strobe
• Applications include: paging systems,
   repeater systems/mobile radio, interconnect dialers,
   PBX systems, computer systems, fax machines,
   pay telephones, credit card verification

Features

Parameters


Manufacturer information

CLARE INC => IXYS
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