CPLDs
E46529
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| CPLD | 4 |
| Complex Programmable Logic Device | 2 |
| CPLDs canonical | 1 |
| Lattice MachXO | 1 |
| MAX CPLD family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T367779 — 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: CPLDs Context triple: [IEEE 1532, appliesTo, CPLDs]
-
A.
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.
-
B.
PLC
The PLC is the elected legislative body of the Palestinian Authority, responsible for drafting laws and overseeing the executive in the Palestinian territories.
-
C.
IEEE 1149.6
IEEE 1149.6 is a boundary-scan test standard that extends JTAG to support structural testing of high-speed AC-coupled and differential digital interconnects on printed circuit boards.
-
D.
DCLK
DCLK was the NASDAQ ticker symbol for DoubleClick, a pioneering online advertising technology company later acquired by Google.
-
E.
Calliope mini
Calliope mini is a small educational microcontroller board designed to teach children and beginners programming and electronics through interactive projects.
- 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: CPLDs Target entity description: 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.
-
A.
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.
-
B.
PLC
The PLC is the elected legislative body of the Palestinian Authority, responsible for drafting laws and overseeing the executive in the Palestinian territories.
-
C.
IEEE 1149.6
IEEE 1149.6 is a boundary-scan test standard that extends JTAG to support structural testing of high-speed AC-coupled and differential digital interconnects on printed circuit boards.
-
D.
DCLK
DCLK was the NASDAQ ticker symbol for DoubleClick, a pioneering online advertising technology company later acquired by Google.
-
E.
Calliope mini
Calliope mini is a small educational microcontroller board designed to teach children and beginners programming and electronics through interactive projects.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
digital integrated circuit
ⓘ
programmable logic device ⓘ |
| canImplement |
counters
ⓘ
encoders and decoders ⓘ multiplexers and demultiplexers ⓘ simple communication protocols ⓘ timers ⓘ |
| comparedTo | FPGA ⓘ |
| configurationStorageTechnology |
EEPROM
ⓘ
Flash ⓘ SRAM with external non-volatile memory in some designs ⓘ |
| configuredBy |
JEDEC programming files
ⓘ
VHDL ⓘ Verilog ⓘ hardware description languages ⓘ vendor-specific schematic entry tools ⓘ |
| developedFrom |
GAL devices
ⓘ
PAL devices ⓘ |
| fullName |
CPLDs
self-linksurface differs
ⓘ
surface form:
Complex Programmable Logic Device
|
| hasAdvantageOverFPGA |
often non-volatile configuration
ⓘ
shorter configuration time ⓘ simpler architecture ⓘ |
| hasArchitecture |
array of macrocells
ⓘ
programmable interconnect matrix ⓘ sum-of-products logic structure ⓘ |
| hasComponent |
I/O blocks
ⓘ
fixed or partially programmable OR array ⓘ macrocells with flip-flops ⓘ programmable AND array ⓘ |
| hasDisadvantageComparedToFPGA |
less flexible routing resources
ⓘ
lower logic density ⓘ |
| hasProperty |
deterministic propagation delay
ⓘ
fast power-up configuration ⓘ low to moderate power consumption ⓘ non-volatile configuration memory in many families ⓘ predictable timing ⓘ reconfigurable ⓘ relatively low logic capacity compared to FPGAs ⓘ |
| majorVendor |
Altera
ⓘ
Lattice Semiconductor ⓘ Microchip Technology ⓘ Xilinx ⓘ |
| programmedWith |
JTAG interface
ⓘ
in-system programming tools ⓘ |
| supportsFeature |
asynchronous and synchronous resets
ⓘ
global clock networks ⓘ registered and combinational outputs ⓘ tri-state I/O control ⓘ |
| typicalLogicCapacity | tens to a few thousand logic gates ⓘ |
| usedFor |
address decoding
ⓘ
bus interfacing ⓘ control logic applications ⓘ glue logic applications ⓘ implementing custom digital logic functions in hardware ⓘ interface logic applications ⓘ simple digital signal processing control ⓘ state machine implementation ⓘ |
| usedIn |
automotive electronics
ⓘ
consumer electronics ⓘ embedded systems ⓘ industrial control systems ⓘ prototyping of digital circuits ⓘ telecommunications equipment ⓘ |
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: CPLDs Description of subject: 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.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CPLD
subject surface form:
CPLD
this entity surface form:
Complex Programmable Logic Device
this entity surface form:
Lattice MachXO
this entity surface form:
CPLD
subject surface form:
Altera Corporation
this entity surface form:
MAX CPLD family
this entity surface form:
CPLD
subject surface form:
PAL device
this entity surface form:
CPLD