ISO2-CMOS ST-BUS™ FAMILY MT9171/72 Digital Subscriber Interface Circuit Digital Network Interface Circuit Data Sheet
●Description
▲The MT9171 (DSIC) and MT9172 (DNIC) are pin for pin compatible replacements for the MT8971 and MT8972, respectively. They are multi-function devices capable of providing high speed, full duplex digital transmission up to 160 kbit/s over a twisted wire pair. They use adaptive echo-cancelling techniques and transfer data in (2B+D) format compatible to the ISDN basic rate. Several modes of operation allow an easy interface to digital telecommunication networks including use as a high speed limited distance modem with data rates up to 160 kbit/s. Both devices function identically but with the DSIC having a shorter maximum loop reach specification. The generic "DNIC" will be used to reference both devices unless otherwise noted.
▲The MT9171/72 is fabricated in Zarlink’s ISO²-CMOS process
●Features
▲Full duplex transmission over a single twisted pair
▲Selectable 80 or 160 kbit/s line rate
▲Adaptive echo cancellation
▲Up to 3 km (9171) and 4 km (9172)
▲ISDN compatible (2B+D) data format
▲Transparent modem capability
▲Frame synchronization and clock extraction
▲Zarlink ST-BUS compatible
▲Low power (typically 50 mW), single 5 V supply
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MT9171 、 MT9172 、 MT9172AE 、 MT9172AN 、 MT9172AP 、 MT9172APR 、 MT9172ANR 、 MT9172AE1 、 MT9172AP1 、 MT9172AN1 、 MT9172APPR1 、 MT9172ANR1 |
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Digital Subscriber Interface Circuit 、 Digital Network Interface Circuit |
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[ Digital subscriber lines ][ High speed data transmission over twisted wires ][ Digital PABX line cards ][ Digital PABX telephone sets ][ 80 or 160 kbit/s single chip modem ] |
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Datasheet |
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Please see the document for details |
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22 Pin PDIP;24 Pin SSOP;28 Pin PLCC;22 Pin PDIP*;28 Pin PLCC*;24 Pin SSOP* |
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English Chinese Chinese and English Japanese |
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March 2006 |
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1 MB |
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