MT9171
2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM)
Overview
| 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 kbps 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 kbps. 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. |
Detailed Block Diagram
Typical Applications
- Digital subscriber lines
- High speed data transmission over twisted wires
- Digital PABX line cards and telephone sets
- 80 or 160 kbps single chip modem
Features & Benefits
- Full duplex transmission over a single twisted pair
- Selectable 80 or 160 kbps 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
Resources
Documentation
Application Notes
- MSAN-128 - Implementing an ISDN Architecture using the ST-BUS.pdf
- MSAN-124 - MT9171/72 DNIC Application Circuits.pdf
- MSAN-122 - Approaches to Digital Line Card Design.pdf
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Ordering
MT9171 Series 5.25 V Surface Mount Specialty Interface IC - SSOP-24
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| Digi-Key | MT9171AN1-ND | .. | Tube | No Stock | |
| Mouser | 494-MT9171AN1 | 4,712 | 1 | Tube | Buy Now |
MT9171 Series 5.25V Surface Mount Specialty Interface IC - SSOP-24
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| Digi-Key | MT9171ANR1DKR-ND | 214 | 1 | Custom Reel | Buy Now |
| Digi-Key | MT9171ANR1TR-ND | .. | Tape & Reel | No Stock | |
| Digi-Key | MT9171ANR1CT-ND | 214 | 1 | Cut Tape | Buy Now |
| Future Electronics | 9061710 | 1000 | Tape & Reel | No Stock | |
| Mouser | 494-MT9171ANR1 | 1,591 | 1 | Tape & Reel | Buy Now |
Pb Free Dnic 1.5Um 28 Plcc 11.5X11.5X4.4Mm Tube Rohs Compliant: Yes |Microchip MT9171AP1
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| Digi-Key | MT9171AP1-ND | .. | Tube | No Stock |
Pb Free 1.5Um Dnic 28 Plcc 11.5X11.5X4.4Mm T/R Rohs Compliant: Yes |Microchip MT9171APR1
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Microchip Technology Inc. | .. | .. | .. | .. | Buy Now |
| Digi-Key | MT9171APR1-ND | .. | Tape & Reel | No Stock |
