Overview
The SN74AHCT08DE4 is a quadruple 2-input positive-AND gate integrated circuit (IC) manufactured by Texas Instruments. This IC belongs to the 74AHCT series, which is widely used in digital logic circuits. It is designed to operate with high-speed CMOS logic levels while maintaining compatibility with TTL input/output levels. The SN74AHCT08DE4 is ideal for applications requiring reliable logic operations in industrial, automotive, and consumer electronics. Its key selling points include low power consumption, high noise immunity, and robust performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V | Typical 5V operation |
| Input Voltage (VIN) | 0 to VCC | V | Compatible with TTL levels |
| Output Voltage (VOUT) | 0 to VCC | V | High-level output |
| Propagation Delay (tpd) | 7 | ns | Max at 5V, 25°C |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | SOIC-14 | - | Surface mount |
| Number of Gates | 4 | - | Quadruple 2-input AND |
| Power Dissipation | 500 | mW | Max |
Key Features
- Four independent 2-input AND gates in a single package.
- Compatible with TTL input and output levels, ensuring seamless integration with existing systems.
- High-speed operation with a typical propagation delay of 7 ns.
- Low power consumption, making it suitable for battery-powered devices.
- High noise immunity, ensuring reliable performance in electrically noisy environments.
- Wide operating temperature range (-40°C to 85°C) for industrial and automotive applications.
Applications
The SN74AHCT08DE4 is widely used in various digital logic applications, including:
- Industrial Automation: Control systems, PLCs, and signal processing.
- Automotive Electronics: Engine control units, infotainment systems, and safety modules.
- Consumer Electronics: Home appliances, gaming consoles, and multimedia devices.
- Telecommunications: Signal routing and logic level conversion.
- Embedded Systems: Microcontroller interfacing and peripheral control.
Q & A
1. What is the function of the SN74AHCT08DE4?
The SN74AHCT08DE4 is a quadruple 2-input AND gate IC, performing logical AND operations on two input signals for each of its four gates.
2. What is the operating voltage range of this IC?
The IC operates within a supply voltage range of 4.5V to 5.5V, with 5V being the typical operating voltage.
3. Is the SN74AHCT08DE4 compatible with TTL logic levels?
Yes, it is fully compatible with TTL input and output levels, making it suitable for interfacing with TTL-based systems.
4. What is the propagation delay of this IC?
The maximum propagation delay is 7 ns at 5V and 25°C, ensuring high-speed operation.
5. What is the package type of the SN74AHCT08DE4?
It is available in an SOIC-14 surface-mount package.
6. Can this IC operate in industrial environments?
Yes, it has an operating temperature range of -40°C to 85°C, making it suitable for industrial and automotive applications.
7. How many AND gates are included in the SN74AHCT08DE4?
It contains four independent 2-input AND gates.
8. What is the power dissipation of this IC?
The maximum power dissipation is 500 mW.
9. Is this IC suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
10. What are the typical applications of the SN74AHCT08DE4?
It is used in industrial automation, automotive electronics, consumer electronics, telecommunications, and embedded systems.
