Enterasys Security Router X-PeditionTM Instrukcja Użytkownika Pobierz pdf (Strona 2)

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bonding, and the award winning, collaborative, multi-user

system powered by Xtreme technology. The advanced

design capabilities can tackle any of the requirements of

today’s technology market.

From the simplest of drawing tasks, to the complex

procedures of defining high-speed constraints, to the

placement and routing of dense, manufacturable designs,

the correct-by-construction methodology provides a net

result of reduced design cycle times, increased

productivity and unmatched design quality.

Layout Technology

■ A single integrated place, route and editing environ–

ment reduces design cycle time and increases

productivity

■ Common schematic and layout database for physical

and electrical constraint management throughout the

design cycle

■ Automated placement planning and management for

more efficient floor planning

■ Correct-by-construction design produces high-quality

results and eliminates clean-up time

■ Advanced auto-assisted interactive shape-based routing

including any angle and curved trace routing

■ Customizable multi-pass constraint driven autorouting

with correct-by-construction results

■ Dynamic DFM validation and cleanup of designs for

improved manufacturing yields

Constraint-Driven Design

Constraint Definition

You can manage an extensive set of

constraints to meet high-speed and DFM

performance requirements, whether you’re

routing interactively or automatically. A

single constraint management

environment is shared between schematic

capture and layout, and you may use the

context-sensitive constraint editor,

embedded directly within the schematic

and layout environments, to define

constraints at any design stage. Constraints

include same layer and adjacent layer

differential pairs, controlled impedance,

net scheduling, match groups, complex

and custom topologies, pin-pairs and pin-

set rules, min/max/ match length and

delay, Z-axis clearances, and much more.

You can also manage package to package constraints for

2D or 3D layout that will optimize placement clearances

for assembly manufacturing requirements.

Correct-by-Construction

Designers are increasingly challenged by the need to

manage signal integrity to achieve system performance

and reduce prototype iterations. The correct-by-

construction methodology improves overall efficiency and

quality by reducing time-consuming cleanup of rules

violations and ensuring that the design is correct

throughout the design process, so you can get it “Right

the first time!” Dynamic validation of physical and elec–

trical rules, and dynamic tuning keeps nets in tune to

ensure that the layout is meeting the engineering design

intent.

Placement Planning and Management

Placement planning allows a designer to quickly visualize

and implement the engineer’s design intent to produce an

optimal component placement. This allows a top-down

approach for planning groups of components to an

optimal group connectivity definition before spending

time implementing individual component locations.

Component groups can be pre-defined in the schematic

and are easily managed in the PCB as you develop a

placement strategy using a personalized spreadsheet

interface, and can also be per-defined in the schematic.

Once planned, groups can be quickly arranged based on

the connectivity and refined. Placement planning and

management will add speed and efficiency to the

placement phase of your layout schedule.

Hierarchical component grouping captures engineering intent and simplifies planning and

placement.

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