VHDL Ref3.2 - App Store
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Publisher Description
The pocket translator for hardware description languages. VHDL Ref is a quick reference for VHDL, Verilog, and SystemVerilog, written by engineers for engineers. For every construct in VHDL it shows the equivalent in Verilog, and vice versa.
Whether you are an FPGA or ASIC designer who thinks in one language but has to read the other, a verification engineer working in SystemVerilog, or an engineering student in your first digital design course, VHDL Ref puts the answer one tap away.
+ 328 entries covering every keyword, operator, and data type in both languages
+ Cross-language equivalents on every entry: see how the other language says it
+ A simple worked example for every single entry
+ SystemVerilog coverage, plus VHDL 2008 and Verilog 2001 notation
+ All pre-defined VHDL attributes
+ All Verilog primitive gates and drive strengths
+ Filter by language and by element type
+ Works completely offline: in the lab, on a plane, behind the firewall
+ No ads, no subscription, no account, no tracking
Native on iPhone, iPad, and Mac (a real Mac app, not a port), so the same reference sits next to your simulator at your desk and rides in your pocket everywhere else.
Note: VHDL Ref is a reference, not a simulator or compiler. It is the book you keep open beside your tools, rebuilt for the device you always have with you.
Version History Fixed availability on the Mac App Store.
Corrected element categories for nor, rol, ror, reg, wire, and integer.
Every entry now shows a consistent VHDL/Verilog/SystemVerilog version label.
Keywords shared by both languages now show each language's definition separately.
General corrections and typo fixes throughout. 3.2 Aug 31 + Add SystemVerilog
+ More accurate cross-language equivlants
+ Fix bug with displaying reserved words that appear in both languages. 3.1 Feb 9 + Add support for Mac OS
+ Add VHDL 2008 reserved words 3.0 Feb 8 + Highlight keyword wherever it appears in example
+ Other keywords in definition are now links
+ Add VHDL protected keyword
+ Simply filter, changes take effect immediatlely 2.2 Jan 27 Minor update for new iOS. 2.1 05/22/2023 + Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features 2.0 04/21/2020 Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility. 1.6 09/26/2019 updated for more recent iOS versions. Refined layout for iPad. 1.5 09/02/2019 + add support for iOS8, iPhone 6 1.4 10/02/2014 + add support for iOS7 1.3 09/14/2013 + show an indicator on reference datasheets for keywords and attributes that are only available after VHDL-1993 1.2 02/25/2013 + updated for iOS6
+ updated for iPhone5 1.1 10/25/2012 1.0 02/10/2011
About VHDL Ref
The company that develops VHDL Ref is squishLogic LLC. The latest version released by its developer is 3.2.
To install VHDL Ref on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the VHDL Ref as malware if the download link is broken.
How to install VHDL Ref on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the VHDL Ref is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After VHDL Ref is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
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Download information
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Version History
version 3.2
posted on 2026-10-13
Version History Fixed availability on the Mac App Store.
Corrected element categories for nor, rol, ror, reg, wire, and integer.
Every entry now shows a consistent VHDL/Verilog/SystemVerilog version label.
Keywords shared by both languages now show each language's definition separately.
General corrections and typo fixes throughout. 3.2 Aug 31 + Add SystemVerilog
+ More accurate cross-language equivlants
+ Fix bug with displaying reserved words that appear in both languages. 3.1 Feb 9 + Add support for Mac OS
+ Add VHDL 2008 reserved words 3.0 Feb 8 + Highlight keyword wherever it appears in example
+ Other keywords in definition are now links
+ Add VHDL protected keyword
+ Simply filter, changes take effect immediatlely 2.2 Jan 27 Minor update for new iOS. 2.1 05/22/2023 + Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features 2.0 04/21/2020 Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility. 1.6 09/26/2019 updated for more recent iOS versions. Refined layout for iPad. 1.5 09/02/2019 + add support for iOS8, iPhone 6 1.4 10/02/2014 + add support for iOS7 1.3 09/14/2013 + show an indicator on reference datasheets for keywords and attributes that are only available after VHDL-1993 1.2 02/25/2013 + updated for iOS6
+ updated for iPhone5 1.1 10/25/2012 1.0 02/10/2011
version 3.2
posted on 2026-09-04
Version History Fixed availability on the Mac App Store.
Corrected element categories for nor, rol, ror, reg, wire, and integer.
Every entry now shows a consistent VHDL/Verilog/SystemVerilog version label.
Keywords shared by both languages now show each language's definition separately.
General corrections and typo fixes throughout. 3.2 3d ago + Add SystemVerilog
+ More accurate cross-language equivlants
+ Fix bug with displaying reserved words that appear in both languages. 3.1 Feb 9 + Add support for Mac OS
+ Add VHDL 2008 reserved words 3.0 Feb 8 + Highlight keyword wherever it appears in example
+ Other keywords in definition are now links
+ Add VHDL protected keyword
+ Simply filter, changes take effect immediatlely 2.2 Jan 27 Minor update for new iOS. 2.1 05/22/2023 + Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features 2.0 04/21/2020 Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility. 1.6 09/26/2019 updated for more recent iOS versions. Refined layout for iPad. 1.5 09/02/2019 + add support for iOS8, iPhone 6 1.4 10/02/2014 + add support for iOS7 1.3 09/14/2013 + show an indicator on reference datasheets for keywords and attributes that are only available after VHDL-1993 1.2 02/25/2013 + updated for iOS6
+ updated for iPhone5 1.1 10/25/2012 1.0 02/10/2011
version 3.1
posted on 2026-08-22
Version History + Add SystemVerilog
+ More accurate cross-language equivlants
+ Fix bug with displaying reserved words that appear in both languages. 3.1 Feb 9 + Add support for Mac OS
+ Add VHDL 2008 reserved words 3.0 Feb 8 + Highlight keyword wherever it appears in example
+ Other keywords in definition are now links
+ Add VHDL protected keyword
+ Simply filter, changes take effect immediatlely 2.2 Jan 27 Minor update for new iOS. 2.1 05/22/2023 + Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features 2.0 04/21/2020 Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility. 1.6 09/26/2019 updated for more recent iOS versions. Refined layout for iPad. 1.5 09/02/2019 + add support for iOS8, iPhone 6 1.4 10/02/2014 + add support for iOS7 1.3 09/14/2013 + show an indicator on reference datasheets for keywords and attributes that are only available after VHDL-1993 1.2 02/25/2013 + updated for iOS6
+ updated for iPhone5 1.1 10/25/2012 1.0 02/10/2011
version 3.1
posted on 2026-02-09
+ Add SystemVerilog
+ More accurate cross-language equivlants
+ Fix bug with displaying reserved words that appear in both languages.
version 2.1
posted on 2023-05-22
May 22, 2023
Version 2.1
Minor update for new iOS.
version 2.0
posted on 2020-04-21
Apr 21, 2020 Version 2.0
+ Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features
version 2.0
posted on 2020-04-21
21 Apr 2020 Version 2.0
+ Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features
version 1.6
posted on 2019-09-26
Sep 26, 2019 Version 1.6
Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility.
version 1.4
posted on 2011-02-10
version 1.6
posted on 1970-01-01
26 de sep. de 2019 Version 1.6
Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility.
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