Overview
The SN74HC125N is a quad bus buffer gate integrated circuit produced by Texas Instruments. It belongs to the logic gates category and is designed to provide high-speed, low-power buffering for digital signals. This product is ideal for applications requiring signal isolation, level shifting, or driving high-capacitance loads. Its market positioning targets engineers and designers in industries such as industrial automation, consumer electronics, and automotive systems. The SN74HC125N stands out for its robust performance, wide operating voltage range, and compatibility with TTL and CMOS logic levels.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 6 | V | Wide operating range |
| Output Current | ±7.8 | mA | High drive capability |
| Propagation Delay | 10 | ns | Typical at 5V |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package Type | PDIP-14 | - | Through-hole mounting |
| Logic Family | HC | - | High-speed CMOS |
| Number of Channels | 4 | - | Quad buffer |
| Input Capacitance | 3.5 | pF | Typical |
| Power Dissipation | 500 | mW | Maximum |
| Input Voltage | 0 to VCC | V | Compatible with TTL/CMOS |
Key Features
- Quad buffer gates with 3-state outputs for signal isolation.
- Wide operating voltage range (2V to 6V) for flexibility in various applications.
- High-speed performance with a typical propagation delay of 10 ns at 5V.
- Low power consumption, making it suitable for battery-operated devices.
- Compatible with both TTL and CMOS logic levels for seamless integration.
- Robust design with industrial temperature range (-40°C to 85°C).
Applications
The SN74HC125N is widely used in various applications, including:
- Industrial Automation: Signal buffering and isolation in control systems.
- Consumer Electronics: Level shifting and signal conditioning in portable devices.
- Automotive Systems: Driving high-capacitance loads in vehicle electronics.
- Communication Systems: Signal isolation in data transmission circuits.
- Test and Measurement: Signal integrity preservation in test equipment.
Q & A
1. What is the operating voltage range of the SN74HC125N?
The SN74HC125N operates within a voltage range of 2V to 6V.
2. How many buffer gates are included in the SN74HC125N?
It includes four buffer gates in a single package.
3. What is the typical propagation delay of this IC?
The typical propagation delay is 10 ns at 5V.
4. Is the SN74HC125N compatible with TTL logic levels?
Yes, it is compatible with both TTL and CMOS logic levels.
5. What is the maximum output current of the SN74HC125N?
The maximum output current is ±7.8 mA.
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 applications.
7. What package type does the SN74HC125N use?
It is available in a PDIP-14 package for through-hole mounting.
8. What is the power dissipation of the SN74HC125N?
The maximum power dissipation is 500 mW.
9. Does the SN74HC125N support 3-state outputs?
Yes, it features 3-state outputs for signal isolation.
10. What is the input capacitance of the SN74HC125N?
The typical input capacitance is 3.5 pF.
