Overview
The CD74HCT14EX is a high-speed CMOS logic IC manufactured by Harris Corporation. It belongs to the category of hex Schmitt-trigger inverters, designed to provide robust noise immunity and signal conditioning in digital circuits. This product is well-suited for applications requiring precise signal timing and noise suppression, making it a popular choice in industrial, automotive, and consumer electronics. Its unique selling points include compatibility with TTL logic levels, low power consumption, and high-speed operation, making it a competitive solution for modern digital systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V | TTL compatible |
| Input Voltage (VIN) | 0 to VCC | V | Schmitt-trigger input |
| Output Current (IOH/IOL) | ±4 | mA | Standard output drive |
| Propagation Delay (tPD) | 15 | ns | Typical at 5V |
| Operating Temperature | -55 to 125 | °C | Wide temperature range |
| Package Type | PDIP, SOIC | - | Multiple packaging options |
Key Features
- Hex Schmitt-trigger inverters for noise immunity and signal conditioning.
- Compatible with TTL logic levels for easy integration into existing systems.
- Low power consumption, ideal for battery-powered applications.
- High-speed operation with a typical propagation delay of 15 ns.
- Wide operating temperature range for use in harsh environments.
Applications
The CD74HCT14EX is widely used in various industries due to its reliability and performance. In industrial automation, it is employed for signal conditioning and noise suppression in control systems. In automotive electronics, it ensures stable operation in noisy environments. Additionally, it is utilized in consumer electronics for timing and signal processing tasks. Its versatility and robustness make it a preferred choice for engineers designing digital circuits.
Q & A
1. What is the supply voltage range for the CD74HCT14EX?
The supply voltage range is 4.5V to 5.5V, making it compatible with TTL logic levels.
2. What is the typical propagation delay of this IC?
The typical propagation delay is 15 ns at a supply voltage of 5V.
3. Is the CD74HCT14EX suitable for high-noise environments?
Yes, its Schmitt-trigger inputs provide excellent noise immunity, making it ideal for high-noise environments.
4. What are the available package types for this IC?
The CD74HCT14EX is available in PDIP and SOIC packages.
5. Can this IC operate in extreme temperatures?
Yes, it has an operating temperature range of -55°C to 125°C, suitable for harsh environments.
6. Is the CD74HCT14EX compatible with TTL logic?
Yes, it is fully compatible with TTL logic levels.
7. What is the maximum output current of this IC?
The maximum output current is ±4 mA.
8. How many inverters are included in the CD74HCT14EX?
It includes six (hex) Schmitt-trigger inverters.
9. What are the primary applications of this IC?
It is used in industrial automation, automotive electronics, and consumer electronics for signal conditioning and timing.
10. Does the CD74HCT14EX have low power consumption?
Yes, it features low power consumption, making it suitable for battery-powered applications.
