SN74LS02DR

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SN74LS02DR

IC GATE NOR 4CH 2-INP 14SOIC

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Thông số kỹ thuật

Series 74LS
Part Status Active
Logic Type NOR Gate
Number of Circuits 4
Number of Inputs 2
Voltage - Supply 4.75V ~ 5.25V
Current - Output High, Low 400µA, 16mA
Input Logic Level - Low 0.8V
Input Logic Level - High 2V
Max Propagation Delay @ V, Max CL 15ns @ 5V, 15pF
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)
Base Product Number 74LS02

Tổng quan

Description

The SN74LS02DR is a quad 2-input NOR gate integrated circuit (IC) from Texas Instruments, part of the Low-Power Schottky (LS) series. It features four independent NOR gates, each capable of performing logical NOR operations on two input signals. The device is designed for use in various digital applications, providing high speed and low power consumption.
Key specifications include a maximum propagation delay of around 15 ns, and it operates from a single power supply ranging from 4.75V to 5.25V. The output is capable of driving standard TTL loads, making it suitable for interfacing with other digital circuits. The SN74LS02DR comes in a 14-pin plastic dual in-line package (DIP) or surface-mount (SOIC) configurations.
Applications include digital signal processing, data manipulation, and logic circuit design where NOR logic is required. Its robustness and efficiency make it a popular choice in both consumer and industrial electronics.

Features

The SN74LS02DR is a quad 2-input NOR gate integrated circuit from Texas Instruments, part of the LS (Low Power Schottky) series. Key features include:
1. Quad Functionality: Contains four independent 2-input NOR gates.
2. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
3. High Speed: Offers fast switching times, typically around 10 nanoseconds.
4. Wide Supply Voltage Range: Operates from a supply voltage of 4.75V to 5.25V.
5. TTL Compatible: Compatible with standard TTL (Transistor-Transistor Logic) levels.
6. Pin Configuration: Available in a 14-pin DIP and a surface-mount SOIC package, facilitating ease of integration.
7. Schmitt Trigger Inputs: Improved noise immunity for better signal integrity in certain configurations.
8. Temperature Range: Suitable for industrial applications with an operating temperature range from -40°C to +85°C.
These features make the SN74LS02DR versatile for various digital logic applications in consumer electronics and industrial systems.

Package

The SN74LS02DR is packaged in a Dual In-line Package (DIP) with a surface mount configuration, specifically in a small outline integrated circuit (SOIC) format. It has 14 pins and is designed for high-speed digital logic applications.

Pinout

The SN74LS02DR is a quad 2-input NOR gate from Texas Instruments. It has 14 pins in total.
Pin Count and Functions:
1. Pin 1 (A1): Input for the first NOR gate (G1)
2. Pin 2 (B1): Input for the first NOR gate (G1)
3. Pin 3 (Y1): Output for the first NOR gate (G1)
4. Pin 4 (A2): Input for the second NOR gate (G2)
5. Pin 5 (B2): Input for the second NOR gate (G2)
6. Pin 6 (Y2): Output for the second NOR gate (G2)
7. Pin 7 (GND): Ground connection
8. Pin 8 (Y3): Output for the third NOR gate (G3)
9. Pin 9 (B3): Input for the third NOR gate (G3)
10. Pin 10 (A3): Input for the third NOR gate (G3)
11. Pin 11 (Y4): Output for the fourth NOR gate (G4)
12. Pin 12 (B4): Input for the fourth NOR gate (G4)
13. Pin 13 (A4): Input for the fourth NOR gate (G4)
14. Pin 14 (VCC): Power supply connection (typically +5V)
This IC is commonly used in digital logic applications for implementing NOR functions.

Manufacturer

The SN74LS02DR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits. The company specializes in a wide range of products, including analog electronics, embedded processors, and digital signal processing, serving sectors such as consumer electronics, automotive, industrial, and communications.
Texas Instruments is recognized for its innovation and contributions to the semiconductor industry, including the development of calculators and advanced semiconductor technologies. The SN74LS02DR specifically is a quad 2-input NOR gate from the 74LS (Low Power Schottky) logic family, widely used in digital circuit design. Overall, TI is a key player in the electronics market, focusing on high-performance and efficient technologies.

Application

The SN74LS02DR is a quad 2-input NOR gate integrated circuit commonly used in digital logic applications. Its primary application areas include data processing, signal conditioning, and control systems. It is utilized in combinational logic circuits, flip-flops, and state machines. Additionally, it can be found in buffer circuits, arithmetic operations, and as part of larger digital systems for implementing complex logic functions.

Equivalent

The SN74LS02DR is a quad 2-input NOR gate. Equivalent products include:
1. 74HC02 - High-speed CMOS variant.
2. 74HCT02 - CMOS variant for TTL compatibility.
3. MC74HC02A - Motorola CMOS equivalent.
4. 74LS02A - Similar LS series part with different packaging.
5. 74F02 - Faster F series variant.
Verify specifications to ensure compatibility for your application.

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