Overview
The SN74128NS is a quad 2-input positive-NOR buffer/driver produced by Texas Instruments. This integrated circuit (IC) is part of the 7400 series of logic devices, which are widely used in digital electronics. The SN74128NS is designed to provide high-speed, reliable logic operations in various applications. Its market positioning is as a general-purpose logic component suitable for both industrial and consumer electronics. The product's unique selling points include its robustness, ease of integration, and compatibility with other 7400 series components.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 4.75 to 5.25 | V | Typical 5V |
| Input High Voltage (VIH) | 2 | V | Min |
| Input Low Voltage (VIL) | 0.8 | V | Max |
| Output High Voltage (VOH) | 2.4 | V | Min |
| Output Low Voltage (VOL) | 0.4 | V | Max |
| Propagation Delay Time (tpd) | 15 | ns | Max |
| Operating Temperature Range | 0 to 70 | °C | |
| Package | PDIP-14 | Plastic Dual In-line Package |
Key Features
- Quad 2-Input NOR Gates: Provides four independent NOR gates in a single package.
- High-Speed Operation: Designed for fast logic operations with a maximum propagation delay of 15 ns.
- Wide Operating Voltage Range: Supports a supply voltage range from 4.75V to 5.25V, making it versatile for various applications.
- Robust Design: Built to withstand industrial environments with a wide operating temperature range.
- Compatibility: Fully compatible with other 7400 series logic devices, ensuring easy integration into existing designs.
Applications
The SN74128NS is widely used in digital logic circuits across various industries. Common applications include:
- Industrial Automation: Used in control systems and logic circuits for machinery and equipment.
- Consumer Electronics: Integrated into devices such as televisions, radios, and home appliances for logic control.
- Automotive Electronics: Employed in vehicle control systems for reliable logic operations.
- Telecommunications: Utilized in signal processing and routing within communication devices.
- Computing: Found in computer peripherals and internal logic circuits for data processing.
Q & A
1. What is the operating voltage range of the SN74128NS?
The operating voltage range is from 4.75V to 5.25V, with a typical value of 5V.
2. What is the maximum propagation delay of the SN74128NS?
The maximum propagation delay is 15 ns.
3. What type of package does the SN74128NS come in?
The SN74128NS comes in a PDIP-14 (Plastic Dual In-line Package) format.
4. Is the SN74128NS compatible with other 7400 series logic devices?
Yes, it is fully compatible with other 7400 series logic devices.
5. What is the input high voltage (VIH) for the SN74128NS?
The input high voltage (VIH) is 2V minimum.
6. What is the output low voltage (VOL) for the SN74128NS?
The output low voltage (VOL) is 0.4V maximum.
7. Can the SN74128NS be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and reliability.
8. What is the operating temperature range of the SN74128NS?
The operating temperature range is from 0°C to 70°C.
9. How many NOR gates are included in the SN74128NS?
The SN74128NS includes four independent 2-input NOR gates.
10. What are the typical applications of the SN74128NS?
Typical applications include industrial automation, consumer electronics, automotive electronics, telecommunications, and computing.
