VHDL vs Verilog: Difference between them
Authored By: Ankita Prajapati
VHDL and Verilog are considered general-purpose digital design languages, while System Verilog represents an enhanced version of Verilog.
Verilog and VHDL are two Hardware Description Languages (HDL) that help to describe digital electronic systems.
Read the differences between VHDL vs Verilog
Verilog is a hardware description language (HDL) used to model electronic systems. While VHDL is an electronic design automation (EDA) tool used to describe digital and mixed signal designs.
The base language of VHDL is Ada and Pascal Language.
The base language of Verilog is C language.
Verilog is case sensitive which only uses lowercase, while VHDL is not case sensitive.
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Introduced Time Period
Verilog is a newer language than VHDL as Verilog was introduced in 1984 while VHDL was introduced in 1980.
VHDL is complex than Verilog.
Verilog program starts with the keyword “module” and ends with the keyword “endmodule”.
module <module_name> (input,output);
VHDL syntax is as follows.
The entity starts with “entity” and ends with “end” keyword.
entity <entity_name> is
Both Verilog and VHDL are Hardware Description Languages (HDL).
These languages help to describe hardware of digital system such as microprocessors, and flip-flops.
Therefore, these languages are different from regular programming languages. VHDL is an older language whereas Verilog is the latest language.
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