Overview
The SN74LVC244ADBR is an octal buffer and line driver with 3-state outputs, manufactured by Texas Instruments. This component is part of the LVC logic family, designed for operation within a voltage range of 1.65V to 3.6V. It is widely used in applications requiring signal buffering and driving capabilities, particularly in environments where low power consumption and high-speed performance are critical. The device is RoHS compliant, ensuring it meets environmental standards, and is available in an SSOP-20 package, making it suitable for surface-mount technology (SMT) applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Function | Buffer/Line Driver | - | Tri-State Octal |
| Input Lines | 8 | - | Single-Ended |
| Output Lines | 3 | - | 3-State |
| Supply Voltage (Max) | 3.6 | V | - |
| Supply Voltage (Min) | 1.65 | V | - |
| Operating Temperature | -40 to +125 | °C | - |
| Package | SSOP-20 | - | Surface Mount |
| Propagation Delay | 6.7 ns at 2.7V, 5.7 ns at 3.3V | ns | - |
| High-Level Output Current | -24 | mA | - |
| Low-Level Output Current | 24 | mA | - |
| Power Dissipation | 500 | mW | - |
Key Features
- Operates from 1.65V to 3.6V, making it suitable for low-voltage applications.
- Supports mixed-mode signal operation, enabling compatibility with both 3.3V and 5V systems.
- Tri-state outputs allow for bus sharing and efficient signal management.
- High-speed performance with a propagation delay of 5.7 ns at 3.3V.
- RoHS compliant, ensuring environmentally friendly manufacturing.
Applications
The SN74LVC244ADBR is ideal for a wide range of applications, including industrial automation, consumer electronics, and automotive systems. Its ability to drive signals with minimal delay and low power consumption makes it particularly useful in data bus interfaces, signal buffering, and line driving tasks. In industrial settings, it ensures reliable communication between sensors and controllers, while in consumer electronics, it enhances the performance of devices such as smartphones and tablets. Automotive applications benefit from its robustness and ability to operate in extreme temperature conditions.
Q & A
1. What is the operating voltage range of the SN74LVC244ADBR?
The device operates within a voltage range of 1.65V to 3.6V.
2. What is the maximum propagation delay of the SN74LVC244ADBR?
The maximum propagation delay is 6.7 ns at 2.7V and 5.7 ns at 3.3V.
3. Is the SN74LVC244ADBR RoHS compliant?
Yes, the device is RoHS compliant.
4. What package does the SN74LVC244ADBR come in?
It is available in an SSOP-20 package.
5. What is the purpose of the tri-state outputs?
Tri-state outputs allow for bus sharing and efficient signal management by enabling high-impedance states when not in use.
6. Can the SN74LVC244ADBR operate in extreme temperatures?
Yes, it can operate in temperatures ranging from -40°C to +125°C.
7. What is the typical power dissipation of the device?
The typical power dissipation is 500 mW.
8. How many input and output lines does the SN74LVC244ADBR have?
It has 8 input lines and 3 output lines.
9. What is the logic family of the SN74LVC244ADBR?
It belongs to the LVC logic family.
10. What are some typical applications of the SN74LVC244ADBR?
Typical applications include data bus interfaces, signal buffering, and line driving in industrial, consumer, and automotive systems.
