Overview
The SN74LS08DR is a 2-input Quad AND Gate integrated circuit (IC) manufactured by Texas Instruments. It belongs to the 74LS series of logic chips, which are widely used in digital circuit design. This IC contains four independent AND gates, each with two inputs and one output. It is designed for applications requiring logical AND operations in digital systems. The SN74LS08DR is a versatile component suitable for various digital logic applications, including signal processing, data manipulation, and control systems.
Targeted at engineers and designers working on digital circuits, the SN74LS08DR is valued for its reliability, ease of use, and compatibility with other 74LS series components. Its compact design and low power consumption make it a popular choice for both prototyping and production environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | AND Gate | - | 2-input, Quad |
| Number of Gates | 4 | - | Independent gates |
| Supply Voltage | 4.75 - 5.25 | V | TTL compatible |
| Propagation Delay | 15 | ns | Typical value |
| Operating Temperature | 0 - 70 | °C | Commercial range |
| Package Type | SOIC | - | 14-pin |
| Output Current | 8 | mA | High-level output |
| Input Current | 0.36 | mA | Low-level input |
Key Features
- Quad 2-input AND gates: Provides four independent AND gates in a single package, reducing board space and simplifying design.
- TTL compatibility: Works seamlessly with other TTL logic devices, ensuring broad application compatibility.
- Low power consumption: Designed for energy-efficient operation, making it suitable for battery-powered devices.
- High noise immunity: Robust design minimizes the impact of electrical noise, ensuring reliable performance in noisy environments.
- Compact SOIC package: The 14-pin small outline integrated circuit (SOIC) package is ideal for space-constrained applications.
Applications
The SN74LS08DR is widely used in various digital logic applications, including:
- Industrial automation: Used in control systems and signal processing circuits.
- Consumer electronics: Integrated into devices such as calculators, remote controls, and digital displays.
- Data processing: Employed in circuits for data manipulation and logical operations.
- Educational projects: A popular choice for teaching digital logic principles in academic settings.
- Embedded systems: Utilized in microcontroller-based systems for logical decision-making.
Q & A
1. What is the function of the SN74LS08DR?
The SN74LS08DR is a 2-input Quad AND Gate IC that performs logical AND operations on two input signals for each of its four gates.
2. What is the supply voltage range for this IC?
The supply voltage range is 4.75V to 5.25V, making it compatible with standard TTL logic levels.
3. How many AND gates are included in the SN74LS08DR?
It contains four independent 2-input AND gates.
4. What is the typical propagation delay of this IC?
The typical propagation delay is 15 nanoseconds.
5. Is the SN74LS08DR suitable for high-noise environments?
Yes, it features high noise immunity, making it reliable in noisy electrical environments.
6. What package type does the SN74LS08DR use?
It is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.
7. Can this IC be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-powered applications.
8. What is the operating temperature range of the SN74LS08DR?
It operates within a temperature range of 0°C to 70°C.
9. Is the SN74LS08DR compatible with other 74LS series ICs?
Yes, it is fully compatible with other 74LS series logic devices.
10. What are some common applications of this IC?
Common applications include industrial automation, consumer electronics, data processing, educational projects, and embedded systems.
