《比思电路板设计工具2007》(PADS2007)2007[ISO]

《比思电路板设计工具2007》(PADS2007)2007[ISO]
  • 片  名  《比思电路板设计工具2007》(PADS2007)2007[ISO]
  • 简  介  发行时间: 2007年制作发行: 明导
  • 类  别  软件
  • 小  类  行业软件


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    A Mentor Graphics PADS2007 Flow
    PADS2007 Release Highlights
    Introduction
    This release introduces exciting new functionality in the area of RF
    design, tighter integration between DxDesigner and PADS Layout, and
    defect fixes.
    As with all releases, it also includes a significant number of defect
    fixes, see the Release Notes on the web.
    Release Goals
    This release continues to deliver improvements in the area of startup
    and overall usabilityû particularly for users new to PCB design, and
    delivers some long requested product enhancements. Usability
    improvements have been made by requirements gathered from PADS User
    Validations, customer requests through our Service Request program, and
    PADS User Group meetings.
    Improved PADS Configuration, Installation
    Improvements in installation and configuration have been made,
    particularly for DxDesigner/PADS customers, including easier PADS
    configuration setup and creation of PADS projects.
    In ViewPCB, creating a PADS Project initializes the Netlist
    Format/Vendor to PADS 2007, and PCB Configuration File to pads2007.cfg.
    DxDesigner Link has been added to the Tools menu so that it can be used
    for netlisting and crossprobing to PADS Layout.
    All PADS Products
    ECO Enhancements
    ECOGEN has been updated for PADS Layout 2007 to include comparison of
    design rules. This new feature is enabled using command line switches
    to ECOGEN and also by dialog options from within Logic, Layout and DxD.
    As with previous releases, this feature is provided as a ôstand-aloneö
    executable as well as being embedded in PADS Layout, PADS Logic and
    DxDesigner. Support for net class and pin-pair group comparison is also
    added, however, pin-pair groups are not currently supported by either
    DxDesigner or PADS Logic.
    Different subsets of the PADS Layout design rules are supported by
    different flows. ECOGEN is configurable to allow these different
    subsets to be properly supported for each flow. Both the rule type and
    hierarchy levels are configurable.
    ò DxDesigner to PADS flowùthe hierarchy levels supported are: Default,
    Net Class, and Net rules. The rule types supported are General
    and Diff-pair but not Conditional. The DxDesigner flow does not
    support layer specific rules, so layer specific settings within
    Routing and Diff-Pair rules are not supported.
    ò PADS Logic to Layout flowùthe hierarchy levels supported are:
    Default, Net Class, and Net rules. The rule types supported are
    General, Conditional, and Diff-pair. The Logic flow supports layer
    specific settings in the rule types that it supports.
    Alphanumeric Pin Number Improvements
    Improvements have been made to support alphanumeric pin numbers in PADS
    Library, PADS Logic and PADS Layout. Improvements have been made in
    particular for the DxDesigner to PADS flow by removing the added
    complexity in DxDesigner for handling PADS specific problems with
    alphanumeric pin numbers. The cross reference between alphanumeric pin
    numbers and the footprint pins are stored in the PCB Decal (footprint)
    itself instead of the Part Type. This should also simplify creation of
    parts in that you no longer have to worry about pin sequence number
    assignment.
    NOTE: For backward compatibility or for customers who want to continue
    it, using the PPN files for alphanumeric pin numbers and using a
    file mapping table in the
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