Overview
The SN74AHC14DE4 is a hex Schmitt-trigger inverter produced by Texas Instruments. This integrated circuit (IC) belongs to the 74AHC series and is designed for applications requiring noise immunity and signal conditioning. The device features six independent inverters with Schmitt-trigger inputs, making it suitable for waveform shaping and noise filtering. Its compact 14-SOIC package and wide operating voltage range of 2V to 5.5V make it ideal for use in various electronic systems, including industrial automation, consumer electronics, and automotive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Inverter, Buffer | - | Schmitt-trigger inputs |
| Circuit Count | 6 | - | Independent inverters |
| Input Count | 1 | - | Per circuit |
| Supply Voltage | 2 to 5.5 | V | - |
| Static Current | 2 | µA | Max |
| Output Current (High/Low) | 8 / 8 | mA | - |
| Logic Level (Low) | 0.9 to 1.65 | V | - |
| Logic Level (High) | 2.2 to 3.85 | V | - |
| Propagation Delay | 10.6 | ns | @ 5V, 50pF |
| Operating Temperature | -40 to 85 | °C | - |
| Package | 14-SOIC | - | Surface mount |
Key Features
- Schmitt-trigger inputs for improved noise immunity and signal conditioning.
- Wide operating voltage range (2V to 5.5V) for versatile applications.
- Low static current (2µA max) for power-efficient designs.
- High output drive capability (±8mA) for robust signal transmission.
- Compact 14-SOIC package for space-constrained designs.
Applications
The SN74AHC14DE4 is widely used in various fields, including:
- Industrial Automation: Signal conditioning and noise filtering in control systems.
- Consumer Electronics: Waveform shaping in audio and video equipment.
- Automotive Electronics: Signal processing in vehicle control modules.
- Communication Systems: Noise reduction in data transmission circuits.
Q & A
1. What is the function of the SN74AHC14DE4?
The SN74AHC14DE4 is a hex Schmitt-trigger inverter used for signal conditioning and noise filtering.
2. What is the operating voltage range of this IC?
The operating voltage range is 2V to 5.5V.
3. How many inverters are included in the SN74AHC14DE4?
It includes six independent inverters.
4. What is the purpose of Schmitt-trigger inputs?
Schmitt-trigger inputs provide noise immunity and ensure clean signal transitions.
5. What is the maximum static current of this IC?
The maximum static current is 2µA.
6. What is the output current capability of the SN74AHC14DE4?
The output current capability is ±8mA.
7. What is the propagation delay of this IC?
The propagation delay is 10.6ns at 5V with a 50pF load.
8. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
9. What package does the SN74AHC14DE4 use?
It uses a 14-SOIC surface-mount package.
10. Where is the SN74AHC14DE4 commonly used?
It is commonly used in industrial automation, consumer electronics, automotive electronics, and communication systems.
