m21131 Mindspeed Technologies, m21131 Datasheet

m21131

Manufacturer Part Number

m21131

Description

M21131/51 3.2 Gbps 72x72/144x144 Crosspoint Switch

Manufacturer

Mindspeed Technologies

Datasheet

1.M21131.pdf (2 pages)

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M21131 3.2 Gbps 72x72 and M21151 3.2 Gbps 144x144 Crosspoint Switch

Built on three generations of industry-leading crosspoint switches, the M21131 and M21151 are low-power, high-speed,

72x72 and 144x144 crosspoint switches designed for today’s demanding video, telecom and datacom applications. With

all the channels operational, the M21131 and M21151 typically consume 8 and 15 Watts of power respectively. The Power-

Scaler™ feature provides dynamically scalable switch settings for further power reduction. With the use of the Smart-

Power™ feature, unused portions of the core may be automatically turned off without affecting the operational channels.

These large crosspoints come equipped with signal conditioning features designed to ease signal integrity concerns in

large systems. The devices both include per channel programmable input equalization (IE) for FR4 traces and output

de-emphasis (DE). Input trace equalization helps remove ISI jitter, which is usually caused by skin effect losses across the

board. There are four levels of equalization available, which may be programmed for each channel, allowing performance

optimization in different systems. The output de-emphasis feature provides a boost for the high frequency content

of the output signal, such that the data eye remains open after passing through long board traces. There are two de-

emphasis levels, as well as two output amplitude settings, selectable on a global basis. The de-emphasis may be enabled

per-channel. The various options and state of the crosspoint switch can be configured with registers accessed through

an I²C, SPI, or parallel interfaces.

The M21131 and M21151 support data rates up to 3.2Gbps making them ideal for a range of applications such as SDI video,

SONET, Fibre Channel (1x, 2x, 10x), InfiniBand, Gigabit Ethernet and parallel 10 Gbps Ethernet traffic. The devices are

offered in 1156 terminal, 35 mm Ceramic Ball Grid Array (CBGA) packages and are RoHS compliant. Non-RoHS versions of

the devices are available upon request.

Power at 1.2V (W)

Product Overview

M21131/51

Programmable per lane input equalization

Fully non-blocking array switch matrices

Programmable output de-emphasis

Protocol agnostic

Support for video pathological patterns

Low power consumption at 1.2V supply: 8W for M21131

and 12W for M21151

Extended temperature operations: 0º C to 85º C

Common footprint for M21131 and M21151

Smart Power™ and PowerScaler™

Fig. 1 - M21131/51 Product Selection Chart

Specification

Switch Matrix

Package (mm)

terminal CBGA

Features

3.2 Gbps 72x72/144x144 Crosspoint Switch

35 mm, 1156

M21131

72x72

terminal CBGA

35 mm, 1156

M21151

144x144

Allows control in removing deterministic jitter (ISI)

Ultimate flexibility for switching and multicasting signals

Improves system jitter budget and drive reach

One device supports multiple applications

Robust solution for SDI applications

Low thermal and power management costs

Provides higher tolerance and additional design margin

Design and layout flexibility saving development costs

Optimized power consumption based on system requirements

Fig. 2 - M21131/51 Device Architecture

Benefits

Related parts for m21131

m21131 Summary of contents

Page 1

... The various options and state of the crosspoint switch can be configured with registers accessed through an I²C, SPI, or parallel interfaces. The M21131 and M21151 support data rates up to 3.2Gbps making them ideal for a range of applications such as SDI video, SONET, Fibre Channel (1x, 2x, 10x), InfiniBand, Gigabit Ethernet and parallel 10 Gbps Ethernet traffic. The devices are offered in 1156 terminal Ceramic Ball Grid Array (CBGA) packages and are RoHS compliant ...

Page 2

... High-speed automated test equipment • Digital video switchers/routers • SMPTE 424M, 292M, 344M, 259M, DVB-ASI (270 Mbps) Package (RoHS Compliant) • M21131: 35x35 mm, 1156 terminal CBGA • M21151: 35x35 mm, 1156 terminal CBGA Fig 3.2 Gbps Equalized After 84” Coax and 67.5” Microstrip www.mindspeed.com ...

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