Overview
The SN74LS38DR, manufactured by Texas Instruments, is a quad 2-input positive-NAND buffer with open-collector outputs, designed for use in a variety of digital logic applications. This IC is part of the 74LS series, known for its low power consumption and high-speed performance. It is packaged in a 14-pin SOIC format, making it suitable for surface-mount technology. The SN74LS38DR is ideal for applications requiring buffer and logic gate functionalities, particularly in environments where open-collector outputs are beneficial for interfacing with other devices or driving higher loads.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Category | Logic Chip | - | - |
| Package | SOIC-14 | - | - |
| Output Type | Open-Collector | - | - |
| Number of Gates | 4 | - | - |
| Inputs per Gate | 2 | - | - |
| Output Current | 24 | mA | - |
| Propagation Delay | 32 | ns | - |
| Supply Voltage | 4.75 - 5.25 | V | - |
| Operating Temperature | 0 - 70 | °C | - |
| Length | 8.65 | mm | - |
| Width | 3.91 | mm | - |
| Height | 1.58 | mm | - |
Key Features
- Quad 2-input positive-NAND buffer with open-collector outputs.
- Low power consumption typical of the 74LS series.
- High-speed operation with a propagation delay of 32 ns.
- Wide operating voltage range from 4.75V to 5.25V.
- Surface-mount SOIC-14 package for compact PCB designs.
Applications
The SN74LS38DR is widely used in digital systems where buffering and logic operations are required. Its open-collector outputs make it particularly useful for driving higher loads or interfacing with other devices that require level shifting. Common applications include industrial control systems, consumer electronics, and communication devices. Its robust design and reliable performance also make it suitable for use in automotive electronics, where it can handle the rigorous demands of the environment.
Q & A
What is the output type of the SN74LS38DR?
The SN74LS38DR features open-collector outputs, which allow for interfacing with other devices or driving higher loads.
What is the operating voltage range of the SN74LS38DR?
The operating voltage range is from 4.75V to 5.25V.
How many gates are included in the SN74LS38DR?
It includes four 2-input NAND gates.
What is the propagation delay of the SN74LS38DR?
The propagation delay is 32 ns.
What package does the SN74LS38DR come in?
It comes in a 14-pin SOIC package.
What is the maximum output current of the SN74LS38DR?
The maximum output current is 24 mA.
Is the SN74LS38DR suitable for surface-mount technology?
Yes, it is packaged in a SOIC-14 format, making it suitable for surface-mount technology.
What is the operating temperature range of the SN74LS38DR?
The operating temperature range is from 0°C to 70°C.
Can the SN74LS38DR be used in automotive applications?
Yes, its robust design makes it suitable for automotive electronics.
What are the typical applications of the SN74LS38DR?
Typical applications include industrial control systems, consumer electronics, and communication devices.
