VHDL
E237418
VHDL is a hardware description language used to model, simulate, and implement digital electronic systems such as FPGAs and CPLDs.
All labels observed (9)
| Label | Occurrences |
|---|---|
| VHDL canonical | 16 |
| IEEE 1076 | 2 |
| VHDL programming language | 2 |
| VHDL-2008 | 2 |
| VHSIC Hardware Description Language | 2 |
| IEEE 1076 VHDL | 1 |
| VHDL-1987 | 1 |
| VHDL-1993 | 1 |
| VHDL-2002 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2130596 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: VHDL Context triple: [CPLD, configuredBy, VHDL]
-
A.
FPGA
An FPGA (Field-Programmable Gate Array) is a reconfigurable integrated circuit that can be programmed after manufacturing to implement custom digital logic functions and hardware designs.
-
B.
Quartus design software
Quartus design software is Altera’s integrated development environment used for designing, simulating, and implementing FPGA and CPLD digital logic circuits.
-
C.
MAX+PLUS II
MAX+PLUS II is a legacy computer-aided design software suite from Altera used for developing, simulating, and programming programmable logic devices such as FPGAs and CPLDs.
-
D.
CPLDs
CPLDs (Complex Programmable Logic Devices) are reconfigurable digital integrated circuits used to implement custom logic functions in hardware, often for control, glue logic, and interface applications.
-
E.
Altera
Altera is a semiconductor company best known for its programmable logic devices (FPGAs) and related design tools, now operating as a subsidiary of Intel.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: VHDL Target entity description: VHDL is a hardware description language used to model, simulate, and implement digital electronic systems such as FPGAs and CPLDs.
-
A.
FPGA
An FPGA (Field-Programmable Gate Array) is a reconfigurable integrated circuit that can be programmed after manufacturing to implement custom digital logic functions and hardware designs.
-
B.
Quartus design software
Quartus design software is Altera’s integrated development environment used for designing, simulating, and implementing FPGA and CPLD digital logic circuits.
-
C.
MAX+PLUS II
MAX+PLUS II is a legacy computer-aided design software suite from Altera used for developing, simulating, and programming programmable logic devices such as FPGAs and CPLDs.
-
D.
CPLDs
CPLDs (Complex Programmable Logic Devices) are reconfigurable digital integrated circuits used to implement custom logic functions in hardware, often for control, glue logic, and interface applications.
-
E.
Altera
Altera is a semiconductor company best known for its programmable logic devices (FPGAs) and related design tools, now operating as a subsidiary of Intel.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
hardware description language
ⓘ
programming language ⓘ |
| acronymFor |
VHSIC Hardware Description Language
ⓘ
linked to:
VHDL
|
| competesWith |
SystemVerilog
ⓘ
Verilog ⓘ |
| designedFor | Very High Speed Integrated Circuits (VHSIC) program ⓘ |
| domain |
digital circuit design
ⓘ
electronic design automation ⓘ |
| firstStandardizedIn | 1987 ⓘ |
| fullName |
VHSIC Hardware Description Language
ⓘ
linked to:
VHDL
|
| hasFeature |
architectures
ⓘ
attributes ⓘ configurations ⓘ delta cycles in simulation ⓘ entities ⓘ enumerated types ⓘ generics ⓘ libraries ⓘ overloading ⓘ packages ⓘ processes ⓘ records ⓘ resolved signals ⓘ signals ⓘ |
| hasStandard |
IEEE 1076
ⓘ
linked to:
VHDL
|
| hasVersion |
VHDL-1987
ⓘ
linked to:
VHDL
VHDL-1993 ⓘ
linked to:
VHDL
VHDL-2002 ⓘ
linked to:
VHDL
VHDL-2008 ⓘ
linked to:
VHDL
|
| paradigm |
concurrent language
ⓘ
strongly typed language ⓘ |
| standardizedBy | IEEE ⓘ |
| supports |
behavioral modeling
ⓘ
bit-accurate modeling ⓘ concurrent execution ⓘ dataflow modeling ⓘ mixed-level modeling ⓘ sequential execution ⓘ simulation ⓘ structural modeling ⓘ synthesis ⓘ testbench creation ⓘ timing specification ⓘ user-defined types ⓘ |
| typeSystem | strong static typing ⓘ |
| usedFor |
ASIC design
ⓘ
CPLD design ⓘ FPGA design ⓘ implementing digital electronic systems ⓘ modeling digital electronic systems ⓘ simulating digital electronic systems ⓘ |
| usedIn |
CPLD toolchains
ⓘ
FPGA toolchains ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: VHDL Description of subject: VHDL is a hardware description language used to model, simulate, and implement digital electronic systems such as FPGAs and CPLDs.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.