autorouting(1).pdf

Protel 99

Making Electronic Design Easy ™

Intelligent shape-based autorouting –

Protel 99’s Autorouter sets a

new benchmark in autorouting

technology. An intelligent

Autorouter that is easy to use,

yet produces routing like that of

a professional board designer.

Protel’s Autorouter is the first to

combine the power of shape-based

routing with intelligent board

analysis and automatic router setup.

This potent combination comes

closer to matching the efforts of an

experienced designer than any other

available routing technology.

The power of shape-based

autorouting

Today’s designers know there are

only two classes of autorouter –

shape-based and all the rest. Bred

from the latest thinking in routing

algorithms, Protel’s shape-based

technology has the power to tackle

today’s denser, SMT-based designs.

Protel 99’s Autorouter uses a unique

‘polygonal shapes’ concept to

extend the capabilities of traditional

shape-based routing by adding,

for example, the ability to route

diagonal segments and to assign

a different routing angle to each

PCB layer.

Fine-pitch components in both

metric and imperial pin spacings,

physically dense layouts, and

double-sided component placement

pose no problems for Protel 99’s

Autorouter. Because it uses

shape-based algorithms, the

Autorouter is not bound to a routing

grid. It automatically uses the best

strategy to route your design to

100% completion.

Protel 99’s intelligent shape-based

autorouter uses polygonal shapes and

advanced algorithms to give true 45 o

routing that follows the contours of your

board. True 45 o routing means Protel 99

can easily cope with today’s and

tomorrow’s fine-pitch technology.

Simple and intuitive setup makes it easy to achieve professional autorouting results. Protel 99’s autorouter analyzes your design

and automatically chooses the best routing strategy, without the need for a lengthy manual setup process.

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Visit www.protel.com for more product information.

robust power with elegant simplicity

AUTOROUTING

And despite its underlying power,

Protel 99’s Autorouter is simple to

setup and run. There are no cryptic

configuration files to edit, no maze

of setup options to negotiate –

simply click a button and the

Autorouter analyzes your design and

chooses the best routing strategy.

It follows your design rules and

constraints, easily routing large

and complex SMT or through-hole

boards.

The full power of Protel’s autorouter is at your fingertips

at all times as you design your board. Selectively route

nets, connections, components or a defined area of your

board. Because the autorouter works directly in the PCB

design window, there’s no time-consuming netlist

import/export to deal with.

Feature Highlights

The Autorouter’s advanced shape-

based algorithm supports polygonal

shapes with a variable number of

sides. The use of complex polygonal

shapes means better use of board

real estate and the ability to route

diagonally – you get neater, cleaner

and shorter routing results, like that

of a professional board designer.

Seamless integration with

Protel 99’s PCB Editor -

the board is routed directly

in the PCB window

Follows design rules

defined in Protel 99’s

PCB Editor

Complex shape-based

autorouting, either gridded

or gridless

Angled direction-per-layer

routing with six non-

orthogonal directions

In-built design analysis and

routing strategy selection -

simply tell the router

to start

Contention routing

Quality autorouting,

produces results

comparable to that of a

professional board designer

Fast, 100% completion

autorouting

Automatic test point

generation utilizing existing

vias and pads or special

test point pads

Adaptively updates costs as

the board is routed

Full array of routing

algorithms

Fully-interactive routing

tools

Intelligent board analysis

for easy setup

Protel 99’s autorouter analyzes your

board and automatically chooses

the right routing strategy, giving

consistently high completion

rates without any complex setup

procedure. The router looks at the

packaging technology used, the

number and density of components,

the number of board layers, and

many other parameters to select the

combination of routing passes that

best suits your design.

Powerful routing passes

costs the connection order, allowing

the system to route connections in a

sequence which produces the highest

completion rate for a given design.

To achieve high-quality, fast, 100%

completion, Protel 99’s Autorouter

includes heuristic routers, a

two-layer power and ground router,

a memory router, a dispersion or

fan-out router, a family of different

pattern routers, a push-and-shove

routing algorithm, a rip up

algorithm, and a manufacturing pass

which spreads tracks to equalize

spacing once routing is complete.

Fully interactive

routing tools

This intelligent analysis of your

board means you don’t have to

spend time on trial-and-error router

runs. You get professional results

first time, regardless of your board

design technology.

Integrated into Protel 99’s PCB

editor is a fully-functional set of

interactive routing features that put

the full power of the Autorouter

at your fingertips during manual

routing. Use these features to

selectively autoroute a single

connection, a net, all connections

to a component, or all connections

in an area.

When the Autorouter is started it

automatically analyzes your design

and chooses the best combination

of routing passes. This gives high

completion rates without the need

for any complicated manual setup.

Protel 99 makes autorouter

setup easy.

You can also use Protel 99’s full

array of powerful interactive manual

routing tools to pre-place tracks

prior to starting the autorouting

process. The autorouter can then

be directed to lock all pre-routes

in place before routing.

Seamless integration

with the PCB editor

Adaptively updates costs

as the board is routed

Specifications

Protel 99’s Autorouter seamlessly

integrates into the Protel 99 design

environment. Layout your board and

define the design rules in the PCB

editor, then start the Autorouter.

It’s as simple as that. The board is

routed directly in the PCB window

– no interfacing, no translators, no

hassles. Sit back, relax and watch

Protel 99 route your board in record

time with fantastic results.

Protel 99’s Autorouter uses the

concept of costs to apply a

completion strategy to the routing

process. This is done by assigning

relative costs for each choice the

router makes.

Routing method:

Polygonal shape-based

Routing passes:

Memory; Fan out; Pattern;

Push-&-Shove; Rip up; Track

spacing; Testpoint addition

Max. Components: 2000

Max. Pins/Component: 5000

Max. Nets: 10,000

Max. Connections: 16,000

Protel 99’s superb Autorouter

technology gives you the power to

produce professional results with

unbeatable ease of use.

After analyzing the board and select-

ing a cost model, the Autorouter has

the ability to adaptively update costs

as the board is routed. In addition,

Protel 99’s Autorouter dynamically

Contact your local sales office today for your FREE Protel99 30-Day Trial CD.

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