A quick reference manual for the two most popular Hardware Description Languages (HDL): VHDL and Verilog. This app is written by engineers, for engineers (who besides engineers would create an acronym like VHDL that contains another acronym!) 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.)

What’s New

Version 1.4

+ add support for iOS8, iPhone 6

Ratings and Reviews

AssyrianLion ,

Good reference

It's a good reference guide, but as one if the previous reviewers said, when you scroll all the way down, the last 2 options are behind the filter bar. It prevents me from choosing them. Please fix this. I would have given the app 5 stars

Mindwalker85 ,

Want More....

I find this to be a very useful app. Works well for a reference for VHDL (Verilog too, but I've used that less).
I would like to see detailed examples, especially some examples converting between VHDL and Verilog. Also, maybe some test benches.

Mototech5 ,


Pretty useless.


squishLogic LLC
4.4 MB

Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
© 2014 squishLogic LLC


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