mt89l86apr1 Zarlink Semiconductor, mt89l86apr1 Datasheet

mt89l86apr1

Manufacturer Part Number

mt89l86apr1

Description

512 X 256 Channels 3.3 V Multiple Rate Digital Switch Mrdx With Constant Delay Mode

Manufacturer

Zarlink Semiconductor

Datasheet

1.MT89L86APR1.pdf (44 pages)

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MT89L86APR1

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Features

•

Applications

•

3.3 volt supply

5 V tolerant inputs and TTL compatible outputs

256 x 256 or 512 x 256 switching configurations

8-bit or 4-bit channel switching capability

Guarantees frame integrity for wideband

channels

Automatic identification of ST-BUS/GCI interfaces

Accepts serial streams with data rates of 2.048,

4.096 or 8.192 Mb/s

Rate conversion from 2.048 Mb/s to 4.096 or

8.192 Mb/s and vice-versa

Programmable frame offset on inputs

Per-channel three-state control

Per-channel message mode

Control interface compatible to Intel/Motorola

CPUs

Low power consumption

Medium size mixed voice and data

switching/processing matrices

Hyperchannel switching (e.g., ISDN H0)

MVIP

Serial bus control and monitoring

STi0

STi1

STi2

STi3

STi4

STi5

STi6

STi7

STi8

STi9

STi15

** for 48-pin SSOP only

™

interface functions

Converter

Parallel

Serial

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

CLK FR AS/

Timing

Unit

ALE

Figure 1 - Functional Block Diagram

Multiple Buffer Data

Memory

Microprocessor

Zarlink Semiconductor Inc.

Interface

Internal Registers

RESET

R/W

A0/

•

Description

The 3.3 V Multiple Rate Digital Switch (MT89L86) is

pin compatible with Zarlink’s 5 V MT8986 and retains

all of its functionality. This 3.3 V device is designed to

provide simultaneous non-blocking connections for up

to 256 64 kb/s channels or blocking connections for up

to 512 64 kb/s channels. The serial inputs and outputs

may have 32 to 128 64 kb/s channels per frame with

data rates ranging from 2048 up to 8192 kb/s. It also

provides per-channel selection between variable and

constant throughput delays allowing voice and

grouped data channels to be switched without

corrupting the data sequence integrity.

CMOS ST-BUS

DTA AD7/

Centralized voice processing systems

Voice/Data multiplexer

ADPCM 32 kbit/s channel switching

MT89L86AP

MT89L86AN

MT89L86ANR

MT89L86APR

MT89L86AN1

MT89L86ANR1

MT89L86AP1

MT89L86APR1

AD0

Multiple Rate Digital Switch

Connection

Output

Memory

CSTo

Ordering Information

MUX

*Pb Free Matte Tin

-40°C to +85°C

44 Pin PLCC

48 Pin SSOP

44 Pin PLCC

48 Pin SSOP*

44 Pin PLCC*

Family

Converter

Parallel

Serial

ODE

Tubes

Tape & Reel

Tubes

Tape & Reel

Tubes

Tape & Reel

Data Sheet

MT89L86

STo0

STo1

STo2

STo3

STo4

STo5

STo6

STo7

STo8

STo9

January 2006

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