Overview
The SN74LS38DRE4 is a quadruple 2-input positive-NAND buffer with open-collector outputs, manufactured by Texas Instruments (TI). This logic chip is part of the 74LS series, known for its low power consumption and high-speed operation. The device is designed for use in digital logic applications where buffering and signal inversion are required. Its open-collector outputs allow for wired-AND configurations, making it versatile in various circuit designs. The SN74LS38DRE4 is available in a 14-pin SOIC package and is suitable for surface-mount technology (SMT). It is widely used in industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Logic Family | 74LS | - | - |
| Logic Type | NAND Buffer | - | - |
| Number of Gates | 4 | - | - |
| Number of Inputs | 2 | - | - |
| Number of Outputs | 1 | - | Open-Collector |
| Supply Voltage | 4.75 - 5.25 | V | - |
| Operating Temperature | 0 - 70 | °C | - |
| Propagation Delay | 32 | ns | - |
| Output Current | 24 | mA | - |
| Package | SOIC-14 | - | - |
| Mounting Type | Surface Mount | - | - |
Key Features
- Quadruple 2-input positive-NAND buffers with open-collector outputs.
- Low power consumption, ideal for battery-operated devices.
- High-speed operation with a propagation delay of 32 ns.
- Wide operating voltage range of 4.75V to 5.25V.
- Open-collector outputs enable wired-AND configurations.
- Robust design suitable for industrial and automotive applications.
Applications
The SN74LS38DRE4 is widely used in digital logic circuits for buffering and signal inversion. Its open-collector outputs make it suitable for wired-AND configurations, commonly used in bus systems and signal sharing applications. Typical applications include industrial control systems, automotive electronics, and consumer electronics such as computers and peripherals. Its robust design and low power consumption make it ideal for environments requiring reliable performance and energy efficiency.
Q & A
1. What is the function of the SN74LS38DRE4?
The SN74LS38DRE4 is a quadruple 2-input positive-NAND buffer with open-collector outputs, used for buffering and signal inversion in digital logic circuits.
2. What is the operating voltage range of the SN74LS38DRE4?
The operating voltage range is 4.75V to 5.25V.
3. What is the propagation delay of the SN74LS38DRE4?
The propagation delay is 32 ns.
4. What is the output type of the SN74LS38DRE4?
The outputs are open-collector, allowing for wired-AND configurations.
5. What is the maximum operating temperature of the SN74LS38DRE4?
The maximum operating temperature is 70°C.
6. What package does the SN74LS38DRE4 come in?
It comes in a 14-pin SOIC package.
7. What is the output current capability of the SN74LS38DRE4?
The output current capability is 24 mA.
8. Is the SN74LS38DRE4 suitable for surface-mount technology?
Yes, it is designed for surface-mount technology (SMT).
9. What are the typical applications of the SN74LS38DRE4?
Typical applications include industrial control systems, automotive electronics, and consumer electronics.
10. What is the logic family of the SN74LS38DRE4?
It belongs to the 74LS logic family, known for low power consumption and high-speed operation.
