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  Microsemi Electronic Components Datasheet  

MT9171 Datasheet

DSIC

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ISO2-CMOS ST-BUSFAMILY MT9171/72
Digital Subscriber Interface Circuit
Digital Network Interface Circuit
Data Sheet
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)
• Integrated services digital network (ISDN)
compatible (2B+D) data format
• Transparent modem capability
• Frame synchronization and clock extraction
• Microsemi® ST-BUS compatible
• Low power (typically 50 mW), single 5 V supply
Applications
• Digital subscriber lines
• High speed data transmission over twisted wires
• Digital PABX line cards and telephone sets
• 80 or 160 kbit/s single chip modem
March 2013
Ordering Information
MT9171/72AP1
MT9171/72AN1
MT9171/72APR1
MT9171/72ANR1
28 Pin PLCC*
24 Pin SSOP*
28 Pin PLCC*
24 Pin SSOP*
*Pb Free Matte Tin
-40C to +85C
Tubes
Tubes
Tape & Reel
Tape & Reel
Description
The MT9171 (DSIC) and MT9172 (DNIC) are pins for
pin compatible replacements for the MT8971 and
MT8972, respectively. They are multi-functional
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"
is used to reference both devices unless otherwise
noted. The MT9171/72 is fabricated in Microsemi
ISO2-CMOS process.
DSTi/Di
CDSTi/
CDi
F0/CLD
C4/TCK
F0o/RCK
MS0
MS1
MS2
RegC
DSTo/Do
CDSTo/
CDo
Transmit
Interface
Prescrambler
Scrambler
Differentially
Encoded Biphase
Transmitter
Transmit
Filter &
Line Driver
Control
Register
Transmit
Timing
Master Clock
Phase Locked
Transmit/
Clock
Receive
Timing &
Control Sync Detect
DPLL
Status
Receive
Address
Echo Canceller
Error
Signal Echo Estimate
+
Receive
Filter
VBias
MUX
-1
+2
Receive
Interface
De-
Prescrambler
Descrambler
Differentially
Encoded Biphase
Receiver
VDD VSS VBias VRef
Figure 1 - Functional Block Diagram
LOUT
LOUT
DIS
Precan
LIN
OSC2
OSC1
1
Copyright 2013, Microsemi Corporation. All Rights Reserved.


  Microsemi Electronic Components Datasheet  

MT9171 Datasheet

DSIC

No Preview Available !

MT9171/72
Data Sheet
Change Summary
Below are the changes made in March 2013 issue. Page, section, figure, and table numbers refer to this current
issue.
Page
Multiple
1
Item
Zarlink logo and name reference
“Ordering Information“
3
Figure 2
3
“Pin Description“
22
“AC Electrical Characteristics† -
Clock Timing - MOD Mode (Figure
18)“
23
“Performance Characteristics of the
MT9171 DSIC“
Change
Updated to Microsemi® logo and name.
Removed the following packages:
• MT9171/72AE 22 Pin PDIP Tubes
• MT9171/72AN 24 Pin SSOP Tubes
• MT9171/72AP 28 Pin PLCC Tubes
• MT9171/72APR 28 Pin PLCC Tape & Reel
• MT9171/72ANR 24 Pin SSOP Tape & Reel
• MT9171/72AE1 22 Pin PDIP* Tubes
Removed 22 pin PDIP diagram.
Removed the first column on 22 pin PDIP pin assignment.
Changed unit from 'ms' to 'us' for items 1, 2, 4, 5, 6, and 7.
Corrected item 1 test conditions to SNR16.5dB.
2
Microsemi Corporation


Part Number MT9171
Description DSIC
Maker Microsemi
PDF Download

MT9171 Datasheet PDF






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