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Electronic Components Guide

Comprehensive collection of electronic components including logic gates, decoders, counters, multiplexers and displays. Each component includes detailed datasheets, truth tables, pinouts and practical applications for engineers and students.

Available Electronic Components

7408 IC Datasheet - AND Gate Pin Diagram Truth Table (Circuito Integrado SN74LS08)

The 7408 IC datasheet shows a quad 2-input AND gate integrated circuit. This 7408 datasheet includes pin diagram, truth table, and IC specifications. The 7408 integrated circuit AND gate output is HIGH (1) only when both inputs are HIGH (1). Check the complete 7408 IC pin configuration and datasheet for technical details.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = A AND B
Digital Electronics Applications

Address decoding circuits, Enable signal generation...

Complete Truth Table

Input AInput BOutput Y
1
1
111

IC Datasheet and Pin Diagram

Datasheet 7408 IC Datasheet - AND Gate Pin Diagram Truth Table (Circuito Integrado SN74LS08)

7432 IC Datasheet - OR Gate Pin Diagram Truth Table (Circuito Integrado SN74LS32)

The 7432 IC datasheet shows a quad 2-input OR gate integrated circuit. This 7432 datasheet includes pin diagram, truth table, and complete IC specifications. The 7432 integrated circuit OR gate output is HIGH (1) when at least one input is HIGH (1). Check the 7432 IC pin configuration and datasheet for detailed information.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = A OR B
Digital Electronics Applications

Interrupt handling systems, Alarm circuits...

Complete Truth Table

Input AInput BOutput Y
11
11
111

IC Datasheet and Pin Diagram

Datasheet 7432 IC Datasheet - OR Gate Pin Diagram Truth Table (Circuito Integrado SN74LS32)

7404 IC Datasheet - NOT Gate Pin Diagram Truth Table (Circuito Integrado SN74LS04)

The 7404 IC datasheet shows a hex inverter (NOT gate) integrated circuit. This 7404 datasheet includes pin configuration, truth table, and complete IC specifications. The 7404 integrated circuit NOT gate inverts the input signal - when input is HIGH (1), output is LOW (0). Check the 7404 IC pin diagram and datasheet for technical specifications.

IC Pin Configuration

1 input and 1 output per gate (6 gates per IC)

Boolean Function and Logic OperationOutput = NOT A
Digital Electronics Applications

Signal inversion, Clock conditioning...

Complete Truth Table

Input AInput BOutput Y
1
1

IC Datasheet and Pin Diagram

Datasheet 7404 IC Datasheet - NOT Gate Pin Diagram Truth Table (Circuito Integrado SN74LS04)

7400 IC Datasheet - NAND Gate Pin Configuration Truth Table (Circuito Integrado SN74LS00)

The 7400 IC datasheet shows a quad 2-input NAND gate integrated circuit. This 7400 datasheet includes pin diagram, truth table, and complete IC specifications. The 7400 integrated circuit NAND gate output is LOW (0) only when both inputs are HIGH (1). The 7400 IC is a universal logic gate. Check the 7400 IC pin configuration and datasheet for detailed specifications.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = NOT (A AND B)
Digital Electronics Applications

Flip-flop circuits, Memory circuits...

Complete Truth Table

Input AInput BOutput Y
1
11
11
11

IC Datasheet and Pin Diagram

Datasheet 7400 IC Datasheet - NAND Gate Pin Configuration Truth Table (Circuito Integrado SN74LS00)

7486 IC Datasheet - XOR Gate Pin Diagram Truth Table (Circuito Integrado SN74LS86)

The 7486 IC datasheet shows a quad 2-input XOR (exclusive OR) gate integrated circuit. This 7486 datasheet includes pin diagram, truth table, and complete IC specifications. The 7486 integrated circuit XOR gate output is HIGH (1) only when inputs are different. Check the 7486 IC pin configuration and datasheet for technical details.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = A XOR B
Digital Electronics Applications

Parity checking circuits, Binary adders...

Complete Truth Table

Input AInput BOutput Y
11
11
11

IC Datasheet and Pin Diagram

Datasheet 7486 IC Datasheet - XOR Gate Pin Diagram Truth Table (Circuito Integrado SN74LS86)

7402 IC Datasheet - NOR Gate Pin Configuration Truth Table (Circuito Integrado SN74LS02)

The 7402 IC datasheet shows a quad 2-input NOR gate integrated circuit. This 7402 datasheet includes pin diagram, truth table, and complete IC specifications. The 7402 integrated circuit NOR gate output is HIGH (1) only when both inputs are LOW (0). The 7402 IC is a universal logic gate like NAND. Check the 7402 IC pin configuration and datasheet.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = NOT (A OR B)
Digital Electronics Applications

Flip-flops, Universal logic gate implementation...

Complete Truth Table

Input AInput BOutput Y
1
1
1
11

IC Datasheet and Pin Diagram

Datasheet 7402 IC Datasheet - NOR Gate Pin Configuration Truth Table (Circuito Integrado SN74LS02)

74266 IC Datasheet - XNOR Gate Pin Configuration Truth Table (Circuito Integrado SN74LS266)

The 74266 IC datasheet shows a quad 2-input XNOR (exclusive NOR) gate integrated circuit. This 74266 datasheet includes pin diagram, truth table, and complete IC specifications. The 74266 integrated circuit XNOR gate output is HIGH (1) when both inputs are equal. Check the 74266 IC pin diagram and datasheet for technical specifications.

IC Pin Configuration

2 inputs and 1 output per gate (4 gates per IC)

Boolean Function and Logic OperationOutput = NOT (A XOR B)
Digital Electronics Applications

Equality comparators, Data comparison circuits...

Complete Truth Table

Input AInput BOutput Y
1
1
1
111

IC Datasheet and Pin Diagram

Datasheet 74266 IC Datasheet - XNOR Gate Pin Configuration Truth Table (Circuito Integrado SN74LS266)

7407 IC Datasheet - Buffer Driver Pin Configuration (Circuito Integrado SN74LS07)

The 7407 IC datasheet shows a hex buffer/driver with open-collector outputs. This 7407 datasheet includes pin diagram, specifications, and complete IC details. The 7407 integrated circuit buffer amplifies current without changing signal logic. Check the 7407 IC pin diagram and datasheet for driving heavy loads and interface applications.

IC Pin Configuration

1 input and 1 output per buffer (6 buffers per IC)

Boolean Function and Logic OperationOutput = A (current amplified)
Digital Electronics Applications

LED driver circuits, Relay interface drivers...

Complete Truth Table

Input AInput BOutput Y
11

IC Datasheet and Pin Diagram

Datasheet 7407 IC Datasheet - Buffer Driver Pin Configuration (Circuito Integrado SN74LS07)

BCD to 7-segment decoder (SN7447A)

The SN7447A is a BCD to 7-segment decoder with open collector active-low outputs, designed for common-anode displays. It includes digit on/off control and lamp test functionality. It is TTL logic equivalent to the LS47 and widely used in classic projects.

IC Pin Configuration

4 BCD inputs, 7 display outputs

TipoBCD-7seg Decoder
Digital Electronics Applications

7-segment displays, Digital counters...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet BCD to 7-segment decoder (SN7447A)

BCD to 7-segment decoder (SN7448)

The SN7448 is similar to the SN7447 but with active-high outputs for common-cathode displays. It includes internal pull-up resistors and can directly drive LEDs without external resistors.

IC Pin Configuration

4 BCD inputs, 7 display outputs

TipoBCD-7seg Decoder
Digital Electronics Applications

Common-cathode displays, Digital instruments...

IC Datasheet and Pin Diagram

Datasheet BCD to 7-segment decoder (SN7448)

3-to-8 line decoder (SN74LS138)

The SN74LS138 is a 3-to-8 line decoder/demultiplexer. It takes 3 selection bits and activates one of 8 outputs. It has 3 enable inputs, ideal for addressing chips or expanding control lines. Popular in digital electronics for TTL compatibility and low cost.

IC Pin Configuration

3 selection inputs, 8 outputs

Tipo3-to-8 Decoder
Digital Electronics Applications

Memory addressing, Data demultiplexing...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet 3-to-8 line decoder (SN74LS138)

Decade counter (SN74LS90)

The SN74LS90 is a decade counter (divide by 10). It consists of four master-slave flip-flops and logic for binary/BCD counting. It provides QA...QD outputs; can obtain a square wave of 10 (or cycle of 10) by connecting QD to the clock input. It has synchronous reset and preset. Widely used for BCD digit counters in educational projects.

IC Pin Configuration

4 BCD outputs, 2 clock inputs

TipoBCD Counter (mod-10)
Digital Electronics Applications

BCD digit counters, Frequency dividers...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet Decade counter (SN74LS90)

Divide-by-12 counter (SN74LS92)

The SN74LS92 is a "Divide-By-12" counter (4 bits). Similar to the 74LS90, but counting resets at 12. It also has internal flip-flops and ports for cascading with other counters. Widely used in frequency dividers and modular counters.

IC Pin Configuration

4 binary outputs, 2 clock inputs

Tipomod-12 Counter
Digital Electronics Applications

Frequency dividers, Modular counters...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet Divide-by-12 counter (SN74LS92)

4-bit binary counter (SN74LS93)

The SN74LS93 is a 4-bit binary counter (divide by 16). Compatible with the LS family, it counts from 0 to 15 in binary. Includes internal flip-flops and cascade capability for larger counters.

IC Pin Configuration

4 binary outputs, 2 clock inputs

Tipo4-bit binary counter
Digital Electronics Applications

Binary counters, Frequency dividers 梅16...

IC Datasheet and Pin Diagram

Datasheet 4-bit binary counter (SN74LS93)

8-to-1 multiplexer (SN74LS151)

The SN74LS151 is an 8-to-1 multiplexer/demultiplexer. It selects one of eight data inputs to a single output channel. It includes enable signal (strobe) and complementary outputs. Common in parallel-to-serial conversion applications.

IC Pin Configuration

8 data inputs, 3 select lines

Tipo8:1 Multiplexer
Digital Electronics Applications

Parallel to serial conversion, Data source selection...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet 8-to-1 multiplexer (SN74LS151)

Dual 4-to-1 multiplexer (SN74LS153)

The SN74LS153 is a dual 4-to-1 multiplexer. Each block selects from 4 inputs according to two address bits. It also has independent enables. Allows parallel-to-serial conversion or data bus "mux". Widely used in TTL systems for offering two channels in one package.

IC Pin Configuration

2 independent 4:1 multiplexers

TipoDual 4:1 Multiplexer
Digital Electronics Applications

Data bus multiplexing, Dual signal selection...

Complete Truth Table

Input AInput BOutput Y

IC Datasheet and Pin Diagram

Datasheet Dual 4-to-1 multiplexer (SN74LS153)

7-segment display (SC56-11EWA)

The SC56-11EWA is a 1-digit 7-segment display, 0.56" (~14.2 mm) high, red color, diffused face. It is common cathode (CC) type, each segment connects to a pin with its current limiting resistor and the common pin to GND. Widely used for numerical display in TTL circuits.

IC Pin Configuration

7 segments + decimal point

Tipo7-seg CC Display
Digital Electronics Applications

Digital counters, Digital clocks...

IC Datasheet and Pin Diagram

Datasheet 7-segment display (SC56-11EWA)

LM317T Adjustable Linear Voltage Regulator

The LM317T is a three-terminal adjustable linear voltage regulator capable of supplying more than 1.5A over an output voltage range of 1.2V to 37V. It requires only two external resistors to set the output voltage.

IC Pin Configuration

3 terminals: IN, OUT, ADJ

TipoPositive adjustable linear regulator
Digital Electronics Applications

Regulated power supplies, Battery chargers...

IC Datasheet and Pin Diagram

Datasheet LM317T Adjustable Linear Voltage Regulator

LM337T Adjustable Negative Linear Voltage Regulator

The LM337T is a three-terminal adjustable negative linear voltage regulator, complementary to the LM317T. Capable of supplying more than 1.5A over an output voltage range of -1.2V to -37V.

IC Pin Configuration

3 terminals: IN, OUT, ADJ

TipoNegative adjustable linear regulator
Digital Electronics Applications

Dual power supplies, Operational amplifiers...

IC Datasheet and Pin Diagram

Datasheet LM337T Adjustable Negative Linear Voltage Regulator

LM7805 Fixed Linear Voltage Regulator (+5V)

The LM7805 is a three-terminal fixed linear voltage regulator that provides a stable +5V output with a maximum current of 1A. It is widely used in digital systems and logic circuits.

IC Pin Configuration

3 terminals: IN, GND, OUT

TipoPositive fixed linear regulator
Digital Electronics Applications

Digital systems, Microcontrollers...

IC Datasheet and Pin Diagram

Datasheet LM7805 Fixed Linear Voltage Regulator (+5V)

LM7812 Fixed Linear Voltage Regulator (+12V)

The LM7812 is a three-terminal fixed linear voltage regulator that provides a stable +12V output with a maximum current of 1A. Ideal for powering operational amplifiers and analog circuits.

IC Pin Configuration

3 terminals: IN, GND, OUT

TipoPositive fixed linear regulator
Digital Electronics Applications

Operational amplifiers, Analog circuits...

IC Datasheet and Pin Diagram

Datasheet LM7812 Fixed Linear Voltage Regulator (+12V)

LM2596 Switching Voltage Regulator (Buck Converter)

The LM2596 is a high-efficiency step-down switching voltage regulator capable of handling up to 3A of output current. It offers higher efficiency than traditional linear regulators.

IC Pin Configuration

5 pins: VIN, SW, GND, FB, ON/OFF

TipoStep-down switching regulator (Buck)
Digital Electronics Applications

Efficient power supplies, Battery systems...

IC Datasheet and Pin Diagram

Datasheet LM2596 Switching Voltage Regulator (Buck Converter)

How Logic Gate ICs Work

Logic gate ICs are integrated circuits that execute basic Boolean algebra operations. They operate with binary signals (0 and 1, low and high voltage levels) and are the fundamental building blocks of all modern digital systems.

TTL Logic Levels: Active High and Active Low

In TTL integrated circuits, an active low pin requires connection to low logic level (0V) to activate, while an active high pin needs high logic level (5V) according to the IC datasheet specifications.

TTL and CMOS Integrated Circuits

Logic gates are implemented in TTL integrated circuits (like 74LS series) and CMOS ICs (like 74HC series) to optimize space, power consumption, and performance in digital applications. Each IC contains multiple gates with specific pin configurations.

Main Applications in Digital Electronics

7408

Address decoding circuits

7432

Interrupt handling systems

7404

Signal inversion

7400

Flip-flop circuits

7486

Parity checking circuits

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