High Performance Layout Viewer and Editor for your Windows system

KLayout (64-bit)

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KLayout 0.27.9 (64-bit)

  -  11.3 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of KLayout 0.27.9 (64-bit).


For those interested in downloading the most recent release of KLayout (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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Download KLayout 0.27.9 (64-bit)

  • KLayout 0.27.9 (64-bit) Screenshots

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What's new in this version:

Features:
Fixed:
- Don't optimize away points on path edit
- DRC in deep mode highlights erroneous width violation with text
- Warning requested if LEF/DEF map file does not capture certain layers
- OASIS writer bug with certain irregular arrays
- DXF export: better handling of PCB zone fills
- LVS unexpectedly failing
- Problem with Qt binding
- Buddy tools + OASIS: invalid warning about unexpected strict mode
- pip install klayout doesn't seem to work on M1 MacBookPro
- Qt binding: crash due to Python allocation-while-deallocating
- Ctrl+F will always enter search box in Macro IDE now
- LEF/DEF reader options - could not clear suffix or set datatype to none
- netlist/LVS result browser - do not clip texts, provide texts as tool tips as well for inspection
- the library selected box listed technology-specific libraries even if no technology was selected
- Bugfixes and enhancements for the LEF/DEF reader Includes #1050, #1065 and #1047 plus a number of standard compatibility issues. Bugfixes and enhancements for the strm2xyz buddy tool's LEF/DEF reader implementations.

Enhanced:
- Include PCell update in Library#refresh
- Backspace to delete last point from polygon or path
- Split gates option for LVS (new keyword is "split_gates") - see documentation for details
- generate labels for PCB X2 net names
- PCell errors are now shown on a separate layer (formerly only if the PCell featured at least one layer-type parameter) This layer is available with the same style and configuration than the guiding shape layer.

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