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Cadence® PCB Editors17.2-2016 QIR1 UpdateJim Frey, Hemant ShahChelmsford

September 9, 2016

© 2016 Cadence Design Systems, Inc. 2

Cadence PCB Editor 17.2 QIR1 improvements

• Interactive 3D canvas

• Concurrent Team Design improvements

• Chip on Board

• RF Trace

• Route Optimization

• Ease of Use Improvements


Customers spend most of their time in PCB designSmall percentage spent on 3D interference

20%80%80%* time spent on

layout of a rigid-flex design20%* time spent on

ECAD-MCAD co-design

Placement Routing MfgPrep

3D

% time spent on designing medium to high complexity PCBs*


• Foundation for true 3D PCB design in future releases– Major infrastructure work to include 3D engine inside

PCB Editor

Capabilities1. Improved native 3D visualization with visibility

control– Higher degree of accuracy and clarity

2. Collision detection 3. Cross probing between 2D and 3D windows4. Select nets or connectivity elements

• Eliminates unnecessary ECAD-MCAD iterations

3D PCB design with Cadence PCB 17.2-2016 QIR1

Allegro PCB Designer

OrCAD PCB Designer


Interactive 3D Canvas Layer & Symbol Visibility Controls• Etch layers visibility

– Lines, Pins, Shapes & Vias

• Symbol visibility control– Top / Bottom / Embedded

Bottom Layer Enabled top side components


OrCAD PCB Designer


3D canvas - 3D Collision detectionEliminate unnecessary ECAD/MCAD iterations• Component to component

• Component to enclosure

• Future (Post QIR2)– Copper to enclosure– Collision with bending– Move components in 3D

MOVIE


OrCAD PCB Designer


Bend Editor for Flex PCB DesignsEliminate unnecessary ECAD/MCAD iterations

• User defines a bend line that represents the center of a bend area

• Visually displays the extents of the bend– Optionally add Via Keepout and

Package Keepout geometries based on the bend area’s outline geometry

• Actual bending visualization and collision detection is part of the 3D Canvas roadmap

• Phase 1 - Foundation work for bending


OrCAD PCB Designer


Allegro PCB Symphony Team Design OptionBeyond 17.2 direction

• Shapes• Placement• Constraints• Permissions• Review & markup

Routing

Routing

Reduce PCB design time by more than 50%

Focus for 17.2-2016 release

Allegro PCB Symphony Team Design Option


Chip on board with Allegro PCB DesignerWire bonding in PCB designs• For small RF / Analog dies on board• Limited to 100 wire bonds on a component• Great for Analog / RF dies on a PCB• Limitations

– Manual wire bond creation– No die stacking– Single wire profile for top, bottom– No support for bonding to

paths or rings– No push/shove/bubble– No bonding through slots

in board to bottom of components– No non-standard wirebonding– No import/export of wirebonds or profiles



Bend Type: Mitered, Square, Curve

Width Transition Mode: None, Rounded, Taper

Add RF Shape-based Trace for RF/Analog routing

• Basic RF trace editing capabilities added with Bend type and Width transition modes

• Enables PCB Designers to add RF / Analog traces easily

• For copper-based RF elements customers need to move up to Allegro PCB Analog / RF Option

Movie



In-design Route Optimization• Traditional tools require designers to optimize routes after

design is completed manually– Many mouse clicks, constraint changes, much manual review

• Optimize route provides in-design optimization for routes– Save time with correct by construction approach

Routes not Optimized Routes Optimized

Movie

Allegro PCB High Speed Option


Bundle Layer Control

• Users can now assign desired routing layer to individual rats on bundles without the need to split bundle

• Rat Layer Control – new mechanism for assigning routing layers in AiBT and Auto Connect Need to split bundle for explicit

layer assignment

Current

17.2 QIR1

Invoke Rat Layer Control > Edit Select rats and assign layer Explicit user control on routing layer



Tab-aware Interactive Editing

• Enhanced Etch Editing commands that intelligently keep or remove existing tabs on clines/cline segments

• Copy with “snap to” functions

• Delete andSlide/Replace Etch


Current 17.2 QIR1


Via Structure Cline

• During Via Structure>Create, there is a new option to cut clines and only include cline/segments inside rectangle drawn

• With the new Cline Cutter, users will no longer need to disconnect/manipulate clines so that it only includes desired portion of cline for easy re-use in design


User draws rectangle Clines are cut

Movie


Productivity Toolbox

• PCB design compare– New toolbox application which compares two databases and

identifies the differences between them – HTML report

• Mode One: Standard Compare (Default Mode)– Modification of stackup (cross section)– Netlist and connectivity, pin connectivity modifications– Property changes, renamed components– Testpoint modifications– Device type modification (ECO part)– Placement modifications

• Mode Two: Graphical compare– Based on IPC2581 all or individual layers

can be compared.– Differences will be highlighted

and DRC markers can be generated.

Allegro PCB Designer Option


Ease of Use Improvements


Shape Application Mode Updates

• Shape application mode was introduced in 16.6 in a QIR– Well received by our customers

• Incremental update based on customer feedback– Add Notch support for Any Angle– Assign Parameters to Multiple

Dynamic Shapes– Slide IX/IY support

• Best Shape application mode in the industry Add Notch


OrCAD PCB Designer


Productivity Enhancer - Find by Query Based on customer feedback

• Modernized to provide quick query access to all design elements on the canvas

• Very intuitive dialog to create, save and recall time saving queries

• Reuse Queries in additional designs


OrCAD PCB Designer

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