NAND gate
Học thuậtThân thiện
Definition
- Noun:
- A logic gate that produces an output that is the inverse of the output of an AND gate: A NAND gate is a fundamental digital logic component. It outputs a logical "0" (or FALSE) only when all of its inputs are "1" (or TRUE). For all other combinations of inputs, it outputs a "1" (or TRUE). This makes it a universal gate, meaning any other logic function can be constructed using only NAND gates.
Usage Examples
- Noun:
- The circuit designer used a nand gate to invert the signal from the sensor.
- A basic nand gate has two inputs and one output.
- You can build an OR gate by combining several nand gates.
Advanced Usage
Universal NAND Gate: The property that any Boolean function can be implemented using only NAND gates.
- Because it is a universal gate, the entire processor was built using only nand gates.
NAND Gate Symbol: Refers to the standard schematic symbol (a variation of the AND gate symbol with a small circle, or "bubble," at its output) used to represent the gate in circuit diagrams.
- The nand gate symbol on the diagram indicates the signal will be inverted.
Variants and Related Words
NAND (Acronym): Stands for "NOT AND," which describes its function.
- NAND flash memory is named for its use of NAND gate architecture.
AND gate (Noun): The logic gate whose output a NAND gate inverts.
- Logic gate (Noun): The general category of digital circuit components, which includes the NAND gate.
Synonyms
- NOT-AND gate: A descriptive synonym for a NAND gate.
- Universal gate: A term highlighting its functional completeness, though other gates (like NOR) also share this property.
Related Phrases and Concepts
NAND operation: Refers to the Boolean logic operation performed by the gate.
- The NAND operation returns false only if both operands are true.
Built from NAND gates: A common phrase describing circuit design methodology.
- This flip-flop is built entirely from NAND gates.
Noun
- a logic gate that produces an output that is the inverse of the output of an AND gate