MT88L89 Datasheet | Mitel Networks Corporation

® 3V Integrated DTMF Transceiver Advance Information with Adaptive Micro Interface Features - - - - - - - Central office quality DTMF transmitter/ receiver Low voltage operation (2.7-3.6V) Adjustable guard time Automatic tone burst mode Call progress tone detection to -30dBm ISSUE 1 May 1995 Adaptive micro interface enables patibility with existing MT8880/MT8888 designs DTMF transmitter/receiver power down via register control Applications - - - - - Credit card systems Paging systems Repeater systems/mobile radio Interconnect dialers Personal puters Description The MT88L89 is a monolithic DTMF transceiver with call progress filter. It is fabricated in CMOS...