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Finite states of a digital signal
In digital circuits, a logic level is one of a finite number of states that a digital signal can inhabit. Logic levels are usually represented by the
Logic_level
Electronic circuit
level shifter, also called level converter or logic level shifter, or voltage level translator, is a circuit used to translate signals from one logic
Level_shifter
Buffer in digital electronics
write one to the bus. Buffer amplifier Logic level Metastability Three-valued logic Four-valued logic Nine-valued logic Don't care Single pole, centre off
Three-state_logic
Series of transistor–transistor logic integrated circuits
popular logic family of transistor–transistor logic (TTL) integrated circuits (ICs). In 1964, Texas Instruments introduced the SN5400 series of logic chips
7400-series integrated circuits
7400-series_integrated_circuits
Family of digital circuits
PMOS or pMOS logic, from p-channel metal–oxide–semiconductor, is a family of digital circuits based on p-channel, enhancement mode metal–oxide–semiconductor
PMOS_logic
Class of digital circuits
Transistor–transistor logic (TTL) is a logic family built from bipolar junction transistors (BJTs). Its name signifies that transistors perform both the logic function
Transistor–transistor_logic
AND and OR logic with diodes and resistors
logic can only implement OR and AND, because inverters (NOT gates) require an active device. Main article: Logic level § 2-level logic Binary logic uses
Diode_logic
Linear circuit that produces an output voltage that is a fraction of its input voltage
can be used as a crude logic level shifter to interface two circuits that use different operating voltages. For example, some logic circuits operate at 5 V
Voltage_divider
Device performing a Boolean function
A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output
Logic_gate
Electronic component to ensure a known state for a signal
or pull-down resistor ensures that a wire will have a high logic level or low logic level, respectively, in the absence of a driving signal. It is typically
Pull-up_resistor
Transistor switch output for integrated circuits
applications when the transistor acts as a switch, to allow for logic-level conversion, wired-logic connections, and line sharing. External pull-up/down resistors
Open_collector
Either of two concepts in computer engineering
different designs, usually with compatible logic levels and power supply characteristics within a family. Many logic families were produced as individual components
Logic_family
Study of correct reasoning
Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical
Logic
Logic gate implementing negation
In digital logic, an inverter or NOT gate is a logic gate which implements logical negation. It outputs a bit whose value is opposite of the input bit's
Inverter_(logic_gate)
Integrated circuit logic family
In electronics, emitter-coupled logic (ECL) is a high-speed integrated circuit bipolar transistor logic family. ECL uses a bipolar junction transistor
Emitter-coupled_logic
Digital audio workstation
conducted in 2015. A consumer-level version based on the same interface and audio engine but with reduced features called Logic Express was available starting
Logic_Pro
Two-BJT transistor digital logic
smaller with this logic family than with CMOS because complementary transistors are not needed. Although the logic voltage levels are very close (High:
Integrated_injection_logic
Technical standard
signal. Logic levels: LVDS is not the only low-power differential signaling system in use, others include the Fairchild Current Transfer Logic serial I/O
Low-voltage differential signaling
Low-voltage_differential_signaling
Group of logic families in electronics
used to make different logic gates, by eliminating redundant transistors. Transistors are used as switches to pass logic levels between nodes of a circuit
Pass_transistor_logic
Telecommunications coding technique
level (usually a positive voltage), while zero is represented by another level (usually a negative voltage). In clock language, in bipolar NRZ-level the
Non-return-to-zero
Class of digital circuits
Resistor–transistor logic (RTL), sometimes also known as transistor–resistor logic (TRL), is a class of digital circuits built using resistors as the input
Resistor–transistor_logic
Serial interface for testing integrated circuits
stateful protocol to access a set of test registers that present chip logic levels and device capabilities of various parts. The Joint Test Action Group
JTAG
static timing analysis. Logic-Level Power Estimation, often linked to logic simulation. Analysis at the Register-Transfer Level. Fast and high capacity
Power_optimization_(EDA)
Ability of a digital electronic system to remain in unstable equilibrium forever
In digital logic circuits, a digital signal is required to be within certain voltage or current limits to represent a '0' or '1' logic level for correct
Metastability_(electronics)
Topics referred to by the same term
negative logic in Wiktionary, the free dictionary. Negative logic may refer to: Negative logic, a representation of logic level Negation Logic family This
Negative_logic
Handheld electronic test equipment
invalid logic level (a fault condition or a tri-stated output) or not connected at all, none of the LEDs light up. Another control on the logic probe allow
Logic_probe
Power management technique for synchronous digital circuits
fixed logic level, either 0 or 1. One typical implementation uses a CMOS pass-transistor controlled by the inverted control signal. Clock-gating logic can
Clock_gating
Process by which desired circuit behavior is turned into a schematic of logic gates
engineering, logic synthesis is a process by which an abstract specification of desired circuit behavior, typically at register transfer level (RTL), is
Logic_synthesis
Standard for serial communication
Electrical signal characteristics such as logic levels, baud rate, timing, and slew rate of signals, voltage withstand level, short-circuit behavior, and maximum
RS-232
Circuit used to amplify and detect small signals in electronic systems
amplify the small voltage swing to recognizable logic levels so the data can be interpreted properly by logic outside the memory. Modern sense-amplifier circuits
Sense_amplifier
Digital circuit design abstraction
Transaction-level modeling is a higher level of electronic system design. A synchronous circuit consists of two kinds of elements: registers (sequential logic) and
Register-transfer_level
Signal to a computer processor emitted by hardware or software
is designed to be triggered by either a logic signal level or a particular signal edge (level transition). Level-sensitive inputs continuously request processor
Interrupt
First arithmetic logic unit (ALU) on a single chip
with active-high data, in which a high logic level corresponds to 1, and active-low data, in which a low logic level corresponds to 1. There are four selection
74181
Circuit components acting like computer memory
by bit storage capacity (e.g., "32-bit register"), signal polarities, logic level and power supply voltages, and timing parameters. Registers are a fundamental
Hardware_register
Process in digital electronics and integrated circuit design
representation Two-level logic optimization Multi-level logic optimization Based on circuit characteristics Sequential logic optimization Combinational logic optimization
Logic_optimization
Method for electrically transmitting information
V_{S}} . The high logic level is V S {\displaystyle V_{S}\,} and the low logic level is 0 V. The difference between the two levels is therefore V S −
Differential_signalling
Form of digital logic family in integrated circuits
like in diode–transistor logic, transistor–transistor logic, emitter-coupled logic etc., the asymmetric input logic levels make NMOS and PMOS circuits
NMOS_logic
Electromechanical device
encoder's high-level logic signal voltage is determined by the voltage applied to the pull-up resistor (VOH in the schematic), whereas the low-level output current
Incremental_encoder
High-threshold logic (HTL), also known as low-speed logic (LSL) or high-level logic (HLL), is a variant of diode–transistor logic used in environments
High-threshold_logic
Bearer of truth values
determine the truth values of compound propositions. First-order logic extends propositional logic with additional devices to analyze the internal structure
Proposition
Computer that uses photons or light waves
consumption is currently unclear. Critics note that real-world logic systems require "logic-level restoration, cascadability, fan-out and input–output isolation"
Optical_computing
Digital electronic term
output of another single logic gate. In most designs, logic gates are connected to form more complex circuits. While no logic gate input can be fed by
Fan-out
1987 integrated circuit
voltage levels.) The MAX232(A) has two receivers that convert from RS-232 to TTL voltage levels, and two drivers that convert from TTL logic to RS-232
MAX232
4-bit microprocessor
Internal subroutine stack, three levels deep. The 4004 did not use common TTL levels. When run from a +15 V power supply, the logic output voltages swing, at
Intel_4004
Type of computing error
needed to change the logic level. A higher Qcrit means fewer soft errors. Unfortunately, a higher Qcrit also means a slower logic gate and a higher power
Soft_error
Class of digital integrated circuits
by the Joint Electron Device Engineering Council (JEDEC) for digital logic levels lower than 5 volts. The original LVCMOS standard of 3.3 V was established
LVCMOS
Concept in computer software
In computer software, business logic or domain logic is the part of the program that encodes the real-world business rules that determine how data can
Business_logic
Simple digital video protocol for standard-definition television
defined. For the parallel format, a 25-pin D-Sub connector pinout and ECL logic levels are defined. The serial format can be transmitted over 75-ohm coaxial
ITU-R_BT.656
Electronic test instrument that measures multiple signals from a circuit
state machine traces, opcodes, or may correlate opcodes with source-level software. Logic analyzers have advanced triggering capabilities, and are useful
Logic_analyzer
Multiple-valued current mode logic (MVCML) or current mode multiple-valued logic (CM-MVL) is a method of representing electronic logic levels in analog CMOS circuits
MVCML
Instructions a computer can execute
digital logic level—the computer's real hardware. The digital logic level is the boundary between computer science and computer engineering. A logic gate
Computer_program
Node in a circuit restricting current flow
being driven to any defined logic level by the output circuit. The signal is neither driven to a logical high nor low level; this third condition leads
High_impedance
Device that switches or amplifies optical signals
output wavelengths, beam shapes and pulse shapes must be compatible. Logic level restoration - The signal needs to be 'cleaned' by each transistor. Noise
Optical_transistor
User-controllable digital signal pin on an integrated circuit
GPIOs in a sufficiently timely manner. GPIOs usually employ standard logic levels and cannot supply significant current to output loads. When followed
General-purpose_input/output
Electronic test equipment that generates digital stimuli
interesting for testing digital electronics at the logic level - this is why they are also called "logic source". A pulse generator is of purpose to generate
Digital_pattern_generator
Theory of logic to account for observations from quantum theory
In the mathematical study of logic and the physical analysis of quantum foundations, quantum logic is a set of rules for manipulation of propositions
Quantum_logic
Propositional calculus in which there are more than two truth values
Many-valued logic (also multi- or multiple-valued logic) is a propositional calculus in which there are more than two truth values. Traditionally, in
Many-valued_logic
Small IBM scientific computer released in 1959
all these circuits (S Level) were high: 0 V to -0.5 V, low: -6 V to -12 V. Transmission line logic levels of SDTRL circuits (C Level) were high: 1 V, low:
IBM_1620
Measures of observational error
Glasser, Mark; Mathews, Rob; Acken, John M. (June 1990). "1990 Workshop on Logic-Level Modelling for ASICS". SIGDA Newsletter. 20 (1). Fulbright, Ron (2020)
Accuracy_and_precision
Series of microcontrollers
which provides both synchronous Serial Peripheral Interface (SPI), and logic-level RS-232 UART capabilities. Motorola announced the 68341 and 68349 processors
Freescale_683XX
Common transistor type
the 2N7002AK-Q additionally is marketed as "automotive qualified" and "logic-level compatible". Many other n-channel MOSFETs exist. Some part number are
2N7000
Study of the scope and nature of logic
Philosophy of logic is the branch of philosophy that studies the scope and nature of logic. It investigates the philosophical problems raised by logic, such as
Philosophy_of_logic
Programming paradigm based on formal logic
Logic programming is a programming, database, and knowledge representation paradigm based on formal logic. A logic program is a set of sentences in logical
Logic_programming
Set of rules describing computer system
several steps: Logic implementation designs the circuits required at a logic-gate level. Circuit implementation does transistor-level designs of basic
Computer_architecture
CMOS-based electronic switch
the transmission gate can still switch to logic voltage levels, there are special versions with integrated level shifters. A good example, is the 4053 standard
Transmission_gate
Component of computer engineering
in a pipelined fashion and a simple strategy to reduce the number of logic levels in order to reach high operating frequencies; instruction cache-memories
Microarchitecture
Branch of logic
Propositional logic is a branch of classical logic. It is also called statement logic, sentential calculus, propositional calculus, sentential logic, or sometimes
Propositional_logic
consists of two such wires, also referenced to a system ground. The logic level on one wire is always the complement of the other. The principle is similar
Differential_TTL
Subfield of mathematics
Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory
Mathematical_logic
as at the transistor level, gate level, register-transfer level (RTL), electronic system-level (ESL), or behavioral level. Logic simulation may be used
Logic_simulation
Hardware description language
structure of digital systems at multiple levels of abstraction, ranging from the system level down to that of logic gates, for design entry, documentation
VHDL
Computer hardware device
convert the logic level signals of the UART to and from the external signaling levels, which may be standardized voltage levels, current levels, or other
Universal asynchronous receiver-transmitter
Universal_asynchronous_receiver-transmitter
Central computer component that executes instructions
circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. This role contrasts with
Central_processing_unit
Programmable digital computer used to control machinery
A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing
Programmable_logic_controller
Formal systems of logic that significantly differ from standard logical systems
Non-classical logics (sometimes alternative logics) are formal systems that differ in a significant way from standard logical systems such as propositional
Non-classical_logic
System for reasoning about vagueness
Fuzzy logic is a form of many-valued logic in which the truth value of variables may be any real number between 0 and 1. It is employed to handle the concept
Fuzzy_logic
Signal used to represent data as a sequence of discrete values
discrete number of levels of amplitude. A special case is a logic signal or a binary signal, which varies between a low and a high signal level. The pulse trains
Digital_signal
Logic gate that implements boolean algebra
wired logic connection is a logic gate that implements boolean algebra (logic) using only passive components such as diodes and resistors. A wired logic connection
Wired_logic_connection
Type of computer memory
in a logic-optimized process technology, which have many levels of interconnect above the substrate. The fact that the capacitor is under the logic means
Dynamic_random-access_memory
Array of logic gates that are reprogrammable
a subset of logic devices referred to as programmable logic devices (PLDs). They consist of a grid-connected array of programmable logic blocks that can
Field-programmable_gate_array
Overview of and topical guide to logic
Classical logic Computability logic Deontic logic Dependence logic Description logic Deviant logic Doxastic logic Epistemic logic First-order logic Formal
Outline_of_logic
Component of a computer process
Berkeley. Ignatchenko, Sergey (August 2015). "Multi-threading at Business-logic Level is Considered Harmful". Overload (128). ACCU: 4–7. 'No Bugs' Hare (12
Thread_(computing)
In computing, a condition where an expression does not have a correct value
and has some voltage level. The voltage should not be abnormal (e.g. not a damaging overvoltage), but the particular logic level is unimportant. The same
Undefined_value
Microcontroller board for android applications
master as the host (PC or newer Android phones). The IOIO V1 is a 3.3 V logic level device, and features a 5 V DC/DC switching regulator and a 3.3V linear
IOIO
SI unit of frequency
wave, which is an electrical voltage that switches between low and high logic levels at regular intervals. As the hertz has become the primary unit of measurement
Hertz
Type of logical formula
mathematical logic and logic programming, a Horn clause is a logical formula of a particular rule-like form that gives it useful properties for use in logic programming
Horn_clause
Differential digital logic family
Current-mode logic (CML), or source-coupled logic (SCL), is a digital design style used both for logic gates and for board-level digital signaling of
Current-mode_logic
Reconfigurable digital circuit element
programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike digital logic constructed using discrete logic gates
Programmable_logic_device
Logic used to describe behaviours of concurrent systems
Temporal logic of actions (TLA) is a logic developed by Leslie Lamport, which combines temporal logic with a logic of actions. It is used to describe
Temporal_logic_of_actions
Logic programming language
The LogicBlox system is a commercial, declarative, incremental logic programming language and deductive database inspired by Datalog. The LogiQL programming
LogicBlox
Basic unit of quantum information
levels of low direct current voltage, and whilst switching from one of these two levels to the other, a so-called "forbidden zone" between two logic levels
Qubit
Class of digital circuits
intermediate level shifting stage (R3 and R4), and an output common-emitter amplifier stage (Q1 and R2). If both inputs A and B are high (logic 1; near V+)
Diode–transistor_logic
Fictional classification of mutant appearing in Marvel Comics
Comics for writers to play, challenge and redefine; encouraging the kind of 'logic puzzle' on which superhero stories thrives. In the Marvel Cinematic Universe
Omega-level_mutants
Reprogrammable computer hardware technology
In computing, a logic block or configurable logic block (CLB) is a fundamental building block of field-programmable gate array (FPGA) technology.[citation
Logic_block
Surround sound processing technology developed by Dolby Labs
Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround
Dolby_Pro_Logic
Type of formal logic
Paraconsistent logic is a type of non-classical logic that allows for the coexistence of contradictory statements without leading to a logical explosion
Paraconsistent_logic
Working storage in a computer processor
vertically. Sense amps, which convert low-swing read bitlines into full-swing logic levels, are usually at the bottom (by convention). Larger register files are
Register_file
reduces the width of the combinational logic, and as a result, the state machine requires fewer levels of logic between registers, reducing its complexity
State_encoding_for_low_power
Small computer on a single integrated circuit
internal timer overflow, completing an analog-to-digital conversion, a logic-level change on an input such as from a button being pressed, and data received
Microcontroller
Serial communications protocol
Electrical interface characteristics such as number of conductors, voltage logic levels and transitions, and line impedance. Communications protocol such as
SDI-12
LOGIC LEVEL
LOGIC LEVEL
Boy/Male
Muslim
Instrument to level something
Girl/Female
Indian, Sanskrit
A Yogic Posture
Girl/Female
Tamil
Materialistic knowledge, Top level of intelligence
Surname or Lastname
English
English : from a late Old English personal name Lēofweald, composed of the elements lēof ‘dear’, ‘beloved’ + weald ‘power’, ‘rule’.French : variant spelling of Level.
Girl/Female
British, English
15th Century
Girl/Female
Tamil
Trick, Power, Strategy, Solution by logic, By reasoning
Girl/Female
Tamil
Trick, Power, Strategy, Solution by logic, By reasoning
Girl/Female
Tamil
Vinyasa | விநà¯à®¯à®¾à®¸
A yogic posture
Vinyasa | விநà¯à®¯à®¾à®¸
Boy/Male
Tamil
Full of feathers, Full of logic, Name of sage, Vatsyayan
Girl/Female
Hindu
Trick, Power, Strategy, Solution by logic, By reasoning
Girl/Female
Gujarati, Hindu, Indian, Kannada, Tamil
Trick; Power; Strategy; Solution by Logic; By Reasoning
Girl/Female
Tamil
Materialistic knowledge, Top level of intelligence
Boy/Male
Hindu
Full of feathers, Full of logic, Name of sage, Vatsyayan
Surname or Lastname
English (Berkshire)
English (Berkshire) : topographic name for someone who lived on a flat, a patch of level or low-lying ground (see Flatt).
Girl/Female
Indian
Materialistic knowledge, Top level of intelligence
Surname or Lastname
English
English : habitational name from Lowthorpe in East Yorkshire, named with the Old Norse personal name Logi or Lági + þorp ‘outlying farmstead’In 1634 the name was brought to North America by the Rev. John Lathrop (b. 1584 in Etton, Yorkshire, England), a Puritan preacher fleeing religious persecution. He arrived at Plymouth Colony and lived in Scituate, MA until 1639, then moved to Barnstable MA, where his Bible can still be seen.
Girl/Female
Indian
Materialistic knowledge, Top level of intelligence
Girl/Female
Arabic, Muslim, Pashtun
Logic; Reason
Surname or Lastname
English (chiefly East Anglia)
English (chiefly East Anglia) : topographic name for someone who lived on a flat, a patch of level or low-lying ground (Old Norse flat, flǫt).South German : variant of Flath 2.
Girl/Female
Muslim
Intelligent, Level headed
LOGIC LEVEL
LOGIC LEVEL
Male
Polish
Pet form of Polish Rościsław, ROSTEK means "usurp-glory."
Girl/Female
Hindu, Indian, Telugu
The Sea
Male
Dutch
, God's judge.
Boy/Male
Bengali, Hindu, Indian
Beautiful Evening
Boy/Male
Hebrew, Hindu, Indian
A Great One and it Come Signify God
Boy/Male
Hindu, Indian, Japanese
Spiritual
Boy/Male
Hindu, Indian
Lord Vishnu
Girl/Female
Indian
Evangeline
Girl/Female
Arabic Muslim
Glorious.
Boy/Male
Arabic, Muslim
Servant of Peace
LOGIC LEVEL
LOGIC LEVEL
LOGIC LEVEL
LOGIC LEVEL
LOGIC LEVEL
n.
The science or art of exact reasoning, or of pure and formal thought, or of the laws according to which the processes of pure thinking should be conducted; the science of the formation and application of general notions; the science of generalization, judgment, classification, reasoning, and systematic arrangement; correct reasoning.
n.
A person skilled in logic.
a.
Ignorant or negligent of the rules of logic or correct reasoning; as, an illogical disputant; contrary of the rules of logic or sound reasoning; as, an illogical inference.
n.
One who bandies words or is very argumentative.
n.
The art or process of reasoning; logic.
n.
The art of reasoning; logic.
n.
The three " liberal" arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.
n.
A treatise on logic; as, Mill's Logic.
a.
Excessively logical; adhering too closely to the forms or rules of logic.
a.
According to the rules of logic; as, a logical argument or inference; the reasoning is logical.
n.
A preliminary or auxiliary proposition demonstrated or accepted for immediate use in the demonstration of some other proposition, as in mathematics or logic.
a.
Beyond the scope or province of logic.
n.
Logic illustrated by physics.
a.
Of or pertaining to logic; used in logic; as, logical subtilties.
n.
See Logic.
a.
Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker.
a.
Cutting off; (Logic) exactly limiting by cutting off all that is not absolutely relative to the purpose; as, precisive censure; precisive abstraction.
n.
That which is refined, elaborated, or polished to excess; an affected subtilty; as, refinements of logic.
a.
Lying outside of the domain of logic.
n.
The system of logic and philosophy set forth by Hegel, a German writer (1770-1831).