Overview
The SN74128N, manufactured by Texas Instruments, is a quad 2-input positive NOR gate buffer designed for digital logic applications. This integrated circuit (IC) is housed in a DIP-14 package, making it suitable for through-hole PCB mounting. The SN74128N is widely used in digital systems for signal buffering and logic operations, targeting engineers and designers in industries such as industrial automation, consumer electronics, and telecommunications. Its robust design and reliable performance make it a competitive choice in the market for basic logic gate applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Package | DIP-14 | - | Through-hole mounting |
| Logic Type | Quad 2-Input NOR Gate | - | Positive logic |
| Supply Voltage | 4.75V to 5.25V | V | Standard TTL levels |
| Operating Temperature | -40°C to 85°C | °C | Industrial range |
| Output Current | -2mA to 2mA | mA | Sink and source capability |
| Propagation Delay | Up to 100MHz | Hz | Typical operating frequency |
Key Features
- Quad 2-input NOR gate functionality for versatile logic operations.
- Positive logic design ensures compatibility with standard TTL systems.
- DIP-14 package allows for easy integration into through-hole PCB designs.
- Wide operating temperature range (-40°C to 85°C) for industrial applications.
- Reliable performance with low propagation delay, suitable for high-speed logic circuits.
Applications
The SN74128N is commonly used in digital systems for signal buffering, logic level conversion, and basic logic operations. Its applications span across various fields, including industrial automation, where it is used in control systems; consumer electronics, for signal processing; and telecommunications, for data transmission and reception. The IC's robust design and compatibility with TTL logic make it a preferred choice for engineers designing reliable and efficient digital circuits.
Q & A
1. What is the function of the SN74128N?
The SN74128N is a quad 2-input positive NOR gate buffer used for digital logic operations.
2. What is the operating voltage range of the SN74128N?
The operating voltage range is 4.75V to 5.25V.
3. What package does the SN74128N come in?
It is housed in a DIP-14 package.
4. What is the operating temperature range of the SN74128N?
The operating temperature range is -40°C to 85°C.
5. What are the typical applications of the SN74128N?
Typical applications include signal buffering, logic level conversion, and basic logic operations in digital systems.
6. Is the SN74128N compatible with TTL logic?
Yes, it is compatible with standard TTL logic levels.
7. What is the output current capability of the SN74128N?
The output current capability is -2mA to 2mA.
8. What is the propagation delay of the SN74128N?
The propagation delay allows operation up to 100MHz.
9. Can the SN74128N be used in industrial applications?
Yes, its wide operating temperature range makes it suitable for industrial applications.
10. What is the logic type of the SN74128N?
It is a quad 2-input positive NOR gate.
