VHDL Ref
Reference for VHDL and Verilog
$2.99
2.1for iPhone, iPad and more
Age Rating
VHDL Ref Screenshots
About VHDL Ref
A quick reference manual for the two most popular Hardware Description Languages (HDL): VHDL and Verilog. This app is written by engineers, for engineers. For every construct in VHDL, provides the equivalent in Verilog, and vice-versa. Experienced custom digital logic designer for FPGA or ASIC? Electrical engineering student just learning the ropes? This app is for you.
+ Searchable dictionary of every keyword, operator, and data type for both languages.
+ Handbook provides simple example for every single reference
+ Common functions in each language
+ All pre-defined attributes for VHDL
+ All primitive gates and drive strengths for Verilog
+ Filter by language (VHDL, Verilog, or both)
+ Filter by language elements (keywords, operators, attributes, data types, etc.)
+ Searchable dictionary of every keyword, operator, and data type for both languages.
+ Handbook provides simple example for every single reference
+ Common functions in each language
+ All pre-defined attributes for VHDL
+ All primitive gates and drive strengths for Verilog
+ Filter by language (VHDL, Verilog, or both)
+ Filter by language elements (keywords, operators, attributes, data types, etc.)
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What's New in the Latest Version 2.1
Last updated on May 22, 2023
Old Versions
Minor update for new iOS.
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Version History
2.1
May 22, 2023
Minor update for new iOS.
2.0
Apr 21, 2020
+ Support for iOS13
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features
+ Move to SwiftUI to support all devices
+ Notation of year for new Verilog features
1.6
Sep 26, 2019
Fixed some format and layout issues. Added support for dynamic type sizes for better accessibility.
1.5
Sep 2, 2019
updated for more recent iOS versions. Refined layout for iPad.
1.4
Oct 2, 2014
+ add support for iOS8, iPhone 6
1.3
Sep 14, 2013
+ add support for iOS7
1.2
Feb 25, 2013
+ show an indicator on reference datasheets for keywords and attributes that are only available after VHDL-1993
1.1
Oct 25, 2012
+ updated for iOS6
+ updated for iPhone5
+ updated for iPhone5
1.0
Feb 10, 2011
VHDL Ref FAQ
Click here to learn how to download VHDL Ref in restricted country or region.
Check the following list to see the minimum requirements of VHDL Ref.
iPhone
Requires iOS 14.0 or later.
iPad
Requires iPadOS 14.0 or later.
iPod touch
Requires iOS 14.0 or later.
VHDL Ref supports English