SN74LS02N

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SN74LS02N

SN74LS02 QUAD 2-INPUT POSITIVE-N

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Thông số kỹ thuật

Package Bulk
Series 74LS
ProductStatus Active
LogicType NOR Gate
NumberofCircuits 4
NumberofInputs 2
Voltage-Supply 4.75V ~ 5.25V
Current-OutputHighLow 400µA, 16mA
LogicLevel-Low 0.8V
LogicLevel-High 2V
MaxPropagationDelay@VMaxCL 15ns @ 5V, 15pF
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
SupplierDevicePackage 14-PDIP

Tổng quan

Description

The SN74LS02N is a quad 2-input NOR gate integrated circuit from Texas Instruments, part of the Low Power Schottky (LS) family of logic devices. It features four independent NOR gates, each with two inputs and one output. The logic function of a NOR gate is such that it outputs a high signal (logic 1) only when all its inputs are low (logic 0).
Operating within a voltage range of 4.75V to 5.25V, the SN74LS02N is designed for low power consumption and high-speed performance in digital circuits. It typically exhibits fast switching times, making it suitable for various applications, including digital signal processing, data manipulation, and logic operations in complex circuitry.
The package configuration is in a 14-pin dual in-line package (DIP), making it easy to use in breadboards and circuit design. The device is popular in both educational and professional environments due to its reliability and ease of integration into electronic systems.

Features

The SN74LS02N is a quad 2-input NOR gate integrated circuit from Texas Instruments. It features:
1. Logic Gates: Contains four independent NOR gates, each with two inputs.
2. High Speed: Operates at a maximum propagation delay of 15 ns (typical) at 5V and 25 °C.
3. Low Power Consumption: Designed with low power dissipation, typically consuming 1 mA per gate.
4. Wide Supply Voltage Range: Operates from a 4.75V to 5.25V power supply.
5. TTL Compatible: Compatible with standard TTL logic levels.
6. Temperature Range: Suitable for industrial applications with an operating temperature range from -40°C to 125°C.
7. Pin Configuration: Standard 14-pin dual in-line package (DIP) or surface mount options available.
8. Load Capability: Can drive TTL inputs and standard loads due to its strong output drive capability.
9. Ease of Use: Simple integration into digital circuits for implementing NOR logic functions.
This versatility makes the SN74LS02N widely used in various digital applications.

Package

The SN74LS02N is available in a dual in-line package (DIP) format, specifically a 14-pin DIP. This package type allows for easy mounting on circuit boards and is commonly used in various electronic applications.

Pinout

The SN74LS02N is a quad 2-input NOR gate integrated circuit. It consists of four independent NOR gates, each with two inputs and one output.
Pin Count: The SN74LS02N has 14 pins.
Pin Functions:
1. Pins 1, 2 (A1, B1): Inputs for the first NOR gate.
2. Pin 3 (Y1): Output for the first NOR gate.
3. Pins 4, 5 (A2, B2): Inputs for the second NOR gate.
4. Pin 6 (Y2): Output for the second NOR gate.
5. Pins 10, 9 (A3, B3): Inputs for the third NOR gate.
6. Pin 8 (Y3): Output for the third NOR gate.
7. Pins 12, 11 (A4, B4): Inputs for the fourth NOR gate.
8. Pin 13 (Y4): Output for the fourth NOR gate.
9. Pin 7 (GND): Ground connection.
10. Pin 14 (VCC): Power supply connection (typically +5V).
This IC is commonly used in digital logic applications.

Manufacturer

The SN74LS02N is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors, specifically integrated circuits (ICs), and is well-known for its contributions to both analog and digital electronics. Founded in 1930, the company has a diverse product portfolio that includes processors, microcontrollers, and a wide range of other electronic components used in various applications such as consumer electronics, automotive systems, industrial equipment, and telecommunications. TI is recognized for its innovation and quality in the semiconductor industry, catering to both large-scale enterprises and individual engineers.

Application

The SN74LS02N is a quad 2-input NOR gate used in various digital applications. Its primary areas include combinational logic design, signal processing, and control circuits. It can be employed in creating complex logic functions, implementing state machines, and building digital counters. Additionally, it's useful in reducing the number of required components in circuits and performing logical operations in embedded systems and microprocessor interfacing.

Equivalent

The SN74LS02N is a Dual 4-Input NOR Gate. Equivalent products include:
1. SN7402N (Dual 2-Input NOR Gate)
2. 74HC02 (High-Speed CMOS Dual 4-Input NOR Gate)
3. 74HCT02 (TTL-Compatible High-Speed CMOS Dual 4-Input NOR Gate)
4. MC74HC02 (Motorola High-Speed CMOS Dual 4-Input NOR Gate)
Check specific pin configurations and voltage levels for compatibility.

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