Product Summary

The MT9075BP is a single chip device which integrates an advanced PCM 30 framer with a Line Interface Unit (LIU). The MT9075BP meets or supports the latest ITU-T Recommendations including G.703, G.704, G.706, G.732, G.775, G.796, G.823 for PCM 30, and I.431 for ISDN primary rate. It also meets or supports ETSI ETS 300 011, ETS 300 166 and ETS 300 233 as well as BS 6450. The applications of the MT9075BP are E1 add/drop multiplexers and channel banks, CO and PBX equipment interfaces, Primary Rate ISDN nodes, Digital Cross-connect Systems (DCS).

Parametrics

MT9075BP absolute maximum ratings: (1)Supply Voltage:-0.3V to 7V; (2)Voltage at Digital Inputs:-0.3V to VDD + 0.3V; (3)Current at Digital Inputs:30mA; (4)Voltage at Digital Outputs:-0.3V to VDD + 0.3V; (5)Current at Digital Outputs:30mA; (6)Storage Temperature:-55℃ to 125℃.

Features

MT9075BP features: (1)Combined PCM 30 framer, Line Interface Unit (LIU) and link controllers in a 68 pin PLCC or 100 pin MQFP package; (2)Selectable bit rate data link access with optional Sa bits HDLC controller (HDLC0) and channel 16 HDLC controller (HDLC1); (3)LIU dynamic range of 20 dB; (4)Enhanced performance monitoring and programmable error insertion functions; (5)Low jitter DPLL for clock generation; (6)Operating under synchronized or free run mode; (7)Two-frame receive elastic buffer with controlled slip direction indication; (8)Selectable transmit or receive jitter attenuator; (9)Intel or Motorola non-multiplexed parallel microprocessor interface; (10)CRC-4 updating algorithm for intermediate path points of a message-based data link application; (11)ST-BUS/GCI 2.048 Mbit/s backplane bus for both data and signalling.

Diagrams

MT9075BP block diagram

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MT90220AL
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