logic level: meaning, definition, pronunciation and examples

C2 (Specialist)
UK/ˈlɒdʒ.ɪk ˌlev.əl/US/ˈlɑː.dʒɪk ˌlev.əl/

Technical/Formal

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Quick answer

What does “logic level” mean?

In digital electronics, a discrete voltage range that represents a binary state (1/0, high/low, true/false).

Audio

Pronunciation

Definition

Meaning and Definition

In digital electronics, a discrete voltage range that represents a binary state (1/0, high/low, true/false).

Any defined state or threshold within a system of reasoning or operation. In computing and philosophy, it can refer to the degree of abstraction or rigor in an argument or system.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Spelling conventions follow national norms for technical documentation (e.g., 'analyse' vs. 'analyze' in surrounding text).

Connotations

Identical technical meaning. The metaphorical use is slightly more common in American academic/philosophical writing.

Frequency

Equally frequent in relevant technical fields in both regions.

Grammar

How to Use “logic level” in a Sentence

The [DEVICE] operates at a [ADJ] logic level.A [ADJ] logic level corresponds to a binary [STATE].Ensure the signal matches the required logic level.

Vocabulary

Collocations

strong
TTL logic levelCMOS logic levelvoltage levelthreshold leveldefine a logic levelinterpret the logic level
medium
high logic levellow logic levelvalid logic levellogic level shifterlogic level converter
weak
clear logic levelspecific logic leveldigital logic levelinput logic level

Examples

Examples of “logic level” in a Sentence

verb

British English

  • The circuit is designed to level-shift the 5V signal down to a 3.3V logic level.

American English

  • The IC logic-levels the input to match the core voltage.

adverb

British English

  • The signal was interpreted logic-level correctly by the receiver.

American English

  • The output is not swinging logic-level high enough.

adjective

British English

  • We need a logic-level MOSFET for this low-voltage application.

American English

  • Check the logic-level specifications in the datasheet.

Usage

Meaning in Context

Business

Rare. May appear in technical specifications for IT procurement.

Academic

Common in computer science, electrical engineering, and philosophy of logic papers.

Everyday

Virtually never used in everyday conversation.

Technical

Core term in digital circuit design, microcontroller interfacing, and signal processing.

Vocabulary

Synonyms of “logic level”

Strong

threshold voltage

Neutral

signal leveldigital statebinary voltage

Weak

operating levelvoltage state

Vocabulary

Antonyms of “logic level”

analogue signalcontinuous valueundefined state

Watch out

Common Mistakes When Using “logic level”

  • Using 'logic level' to mean 'level of logic' (i.e., amount of logic) in general language.
  • Confusing it with 'log level' (logging severity in software).
  • Misspelling as 'logical level' in technical specs.

FAQ

Frequently Asked Questions

Primarily, yes. Its core, literal meaning is in digital electronics. Other uses are metaphorical extensions.

A circuit component that converts a signal from one voltage logic level (e.g., 5V) to another (e.g., 3.3V) to allow devices with different standards to communicate.

Yes, e.g., 'The system uses multiple logic levels for different internal components.'

They are often synonymous in digital contexts. 'Signal level' can be broader, including analogue values, while 'logic level' is strictly digital/binary.

In digital electronics, a discrete voltage range that represents a binary state (1/0, high/low, true/false).

Logic level is usually technical/formal in register.

Logic level: in British English it is pronounced /ˈlɒdʒ.ɪk ˌlev.əl/, and in American English it is pronounced /ˈlɑː.dʒɪk ˌlev.əl/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [Metaphorical] They're arguing on a completely different logic level.
  • [Metaphorical] We need to address the problem at a higher logic level.

Learning

Memory Aids

Mnemonic

Imagine a LOGIC gate (AND, OR) with a physical LEVER. The lever's position (high or low) represents the LOGIC LEVEL.

Conceptual Metaphor

REASONING IS ELECTRICAL SIGNALLING (e.g., 'The debate never reached a high logic level'). FOUNDATIONS ARE LEVELS (e.g., 'His argument exists on a flawed logical level').

Practice

Quiz

Fill in the gap
A is required to interface the 5V Arduino with the 1.8V sensor.
Multiple Choice

What does a 'logic level' primarily refer to in electronics?