MTC-20172-PC AMI Semiconductor, Inc., MTC-20172-PC Datasheet

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MTC-20172-PC

Manufacturer Part Number

MTC-20172-PC

Description

S Interface Circuit for ISDN (SIC)

Manufacturer

AMI Semiconductor, Inc.

Datasheet

1.MTC-20172-PC.pdf (104 pages)

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Features

• Single chip 4 wire S

• Basic access at 144 kbits/s,

• Complying with CCITT I.430

• Applicable in all ISDN

SX

SR

SR

SX

N

N

P

P

for ISDN

with 2B+D

So-interface Configurations :

- NT : Network Termination

- TE : Terminal Equipment

- LTS : Line Termination

- LTT : Line Termination Trunk

Block Diagram

Subscriber

Analog

transmitter

Analog

receiver

detector

activity

0

-interface

FL detection

• Switching of Test-loops

• S-bus drivers with high-

• Balanced S-bus receivers

• Line-length up to 1.2 km in

• Handles V*, IOM1™, IOM2 ™

• Supports Multiframing

• Includes Maintenance channel

• Absorption of clock wander in

impedance when not powered

point-to-point configuration

and GCI digital interfaces

LTT mode

s_transmitter

XTI

s_receiver

7680 kHz

oscillator

DPLL

XTLO

B, D

B, D

S, Q

S, Q

power up/down

S/Q control

asynchronous

controller

status

buffer

MTC-20172

'S' Interface Circuit

for ISDN (SIC)

Data Sheet &

Reference Manual

Rev. 1.1 February 1997

Application Specific Standard Products

• Operating power < 50 mW

• Single 5V supply

™ IOM is a trademark of Siemens

Stand-by power < 3 mW

B, D

B, D

C/I

CHP boundary

M control

V*/GCI

MUX

DIN

DOUT

DFR

DCLK

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