MT90812
64 X 64 channels Multi-Featured Integrated Digital Switch (IDX) with Conferencing, DTMF and FSK Tone Generation for SOHO and PBX Systems
Overview
The MT90812 provides non-blocking timeslot interchange capability for B, C and D channels, up to a maximum of 192 channels. It offers conference call capability for 15 parties over a maximum of 5 conference bridges. With its integrated PLL, the MT90812 provides the necessary clocks to support peripheral devices, such as codecs or interconnected IDX devices. Integrated into the IDX is the capability to detect supervisory signalling and to generate FSK 1200-baud signals. In addition, an integrated digital tone generator produces continuous dual tones, including standard DTMF. |
Detailed Block Diagram

Typical Applications
- Computer Telephony Integration (CTI)
- Key Telephone Systems
- Private Branch Exchange (PBX) Systems
Features & Benefits
- 192 channel x 192 channel non-blocking switching
- 2 local bus streams at 2 Mbps supports up to 64 channels
- In TDM mode, the expansion bus supports up to 128 channels at 8.192 Mbps
- Rate conversion capability between local and expansion bus streams
- Integrated PLL
Resources
Documentation
Application Notes
Product Previews
Product Packaging & Availability
Part Number | Package Type | Pin Count | Lead-Free Option | Shipping Option(s) | Status |
---|---|---|---|---|---|
MT90812AL1 | MQFP | 64 | Pb-free-Matte Tin | Trays. Bake & Drypack | Production |
MT90812AP1 | PLCC | 68 | Pb-free-Matte Tin | Tubes. Bake & Drypack | Production |
MT90812APR1 | PLCC | 68 | Pb-free-Matte Tin | Tape & Reel. Bake & Drypack | Production |
Packaging Information
Parametric Search
- {{n+1}} Showing per page
Parts | Part Status | package Type | Package Carrier | {{attribute.name | noComma}} ({{attribute.type}}) |
This category has no Parametric Data! please try other Categories