Overview
The SN74LS02DRE4, manufactured by Texas Instruments, is a quad 2-input positive-NOR gate integrated circuit. This component is part of the 74LS series, known for its low power consumption and high speed. The SN74LS02DRE4 is designed for use in digital logic applications, providing reliable performance in a compact SMD/SMT package. Its target user groups include electronics engineers and designers working on digital systems, embedded systems, and industrial automation. The product stands out for its robust design, compatibility with TTL logic levels, and ease of integration into various circuits.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Function | Quad 2-input Positive-NOR | - | - |
| Logic Family | LS | - | - |
| Number of Gates | 4 | - | - |
| Input Lines | 2 | - | Per Gate |
| Output Lines | 1 | - | Per Gate |
| High-Level Output Current | -8 | mA | - |
| Low-Level Output Current | 0.4 | mA | - |
| Propagation Delay Time | 22 | ns | - |
| Supply Voltage (Max) | 5.25 | V | - |
| Supply Voltage (Min) | 4.75 | V | - |
| Operating Temperature Range | 0 to +70 | °C | - |
| Package | SOIC-14 | - | - |
| Mounting Style | SMD/SMT | - | - |
| Factory Pack Quantity | 2500 | - | - |
Key Features
- Quad 2-input positive-NOR gate functionality.
- Compatible with TTL logic levels for seamless integration.
- Low power consumption, making it suitable for battery-powered devices.
- High-speed operation with a propagation delay of 22 ns.
- Compact SOIC-14 package for space-constrained applications.
- Wide operating temperature range from 0°C to +70°C.
Applications
The SN74LS02DRE4 is widely used in various digital logic applications, including but not limited to:
- Industrial Automation: Used in control systems and signal processing circuits.
- Consumer Electronics: Integrated into devices such as calculators and remote controls.
- Embedded Systems: Employed in microcontroller-based projects for logic operations.
- Automotive Electronics: Utilized in vehicle control modules and infotainment systems.
- Telecommunications: Applied in signal conditioning and data transmission circuits.
Q & A
1. What is the function of the SN74LS02DRE4?
The SN74LS02DRE4 is a quad 2-input positive-NOR gate, meaning it performs the NOR logic operation on two input signals for each of its four gates.
2. What is the operating voltage range for this component?
The operating voltage range is from 4.75V to 5.25V.
3. What is the propagation delay of the SN74LS02DRE4?
The propagation delay is 22 ns.
4. What is the maximum operating temperature?
The maximum operating temperature is +70°C.
5. Is the SN74LS02DRE4 compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
6. What is the package type of this component?
The package type is SOIC-14.
7. What is the factory pack quantity?
The factory pack quantity is 2500 units.
8. Can this component be used in automotive applications?
Yes, it is suitable for automotive electronics, provided the operating conditions are within the specified range.
9. What is the typical application of the SN74LS02DRE4?
Typical applications include digital logic circuits, industrial automation, and embedded systems.
10. Is the SN74LS02DRE4 RoHS compliant?
Yes, it is RoHS compliant.
