Overview
The CD74HC125EX is a high-speed CMOS logic quad buffer gate with 3-state outputs, manufactured by Harris Corporation. This product is part of the HC family, which is designed for high-speed operation and low power consumption. The CD74HC125EX is widely used in digital systems for signal buffering and line driving, making it ideal for applications in industrial, automotive, and consumer electronics. Its 3-state outputs allow for efficient bus interface and multiplexing, enhancing its versatility in complex circuits.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 6 | V | Wide operating range |
| High-Level Output Current | -5.2 | mA | Max |
| Low-Level Output Current | 5.2 | mA | Max |
| Propagation Delay | 10 | ns | Typical at 5V |
| Operating Temperature | -55 to 125 | °C | Industrial range |
| Package | SOIC-14 | Surface mount |
Key Features
- High-Speed Operation: Optimized for high-speed digital systems with minimal propagation delay.
- 3-State Outputs: Enables bus interface and multiplexing applications.
- Wide Operating Voltage: Supports 2V to 6V, suitable for various logic levels.
- Low Power Consumption: Ideal for battery-powered and energy-efficient designs.
- Robust Design: Operates reliably across a wide temperature range (-55°C to 125°C).
Applications
The CD74HC125EX is versatile and finds applications in multiple fields. In industrial automation, it is used for signal conditioning and interfacing. In automotive electronics, it ensures reliable communication between control modules. For consumer electronics, it is employed in devices requiring high-speed data transfer and low power consumption. Its 3-state outputs make it particularly useful in bus-oriented systems, such as data acquisition and communication networks.
Q & A
1. What is the purpose of the 3-state outputs?
The 3-state outputs allow the device to be connected to a bus system, enabling multiple devices to share the same line without interference.
2. What is the maximum supply voltage for the CD74HC125EX?
The maximum supply voltage is 6V.
3. Can this device operate at high temperatures?
Yes, it operates reliably in a temperature range of -55°C to 125°C.
4. What is the typical propagation delay?
The typical propagation delay is 10ns at 5V.
5. Is the CD74HC125EX suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
6. What package does the CD74HC125EX come in?
It is available in an SOIC-14 surface-mount package.
7. Can this device be used in automotive applications?
Yes, it is designed to meet the rigorous demands of automotive electronics.
8. What is the output current capability?
The output current capability is ±5.2mA.
9. Does the CD74HC125EX support TTL logic levels?
Yes, it is compatible with TTL logic levels.
10. How many buffers are included in the CD74HC125EX?
It includes four independent buffer gates.
