Overview
The SN74LVTH244ADWR, manufactured by Texas Instruments, is a high-performance octal buffer and line driver designed for low-voltage (3.3V) applications. This component is part of the LVTH series, known for its compatibility with TTL levels and robust performance in mixed-voltage environments. It is widely used in applications requiring signal buffering and driving, such as data communication systems, industrial automation, and consumer electronics. The device features bus-hold circuitry, which eliminates the need for external pull-up or pull-down resistors, making it a cost-effective and reliable solution for designers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7V ~ 3.6V | V | |
| Output Current | -500 | µA | |
| Propagation Delay | 3.5 | ns | |
| Operating Temperature | -40°C ~ 85°C | °C | |
| Package | TSSOP-20 | ||
| Number of Channels | 8 | ||
| Logic Type | Buffer/Line Driver | ||
| Bus-Hold | Yes | Eliminates need for external resistors |
Key Features
- Supports mixed-mode signal operation (5V input/output with 3.3V supply).
- Bus-hold circuitry maintains logic levels on unused or floating inputs.
- Ioff and power-up 3-state support hot insertion.
- ESD protection exceeds JESD 22 standards (2000V HBM, 200V MM).
- Designed for low-voltage applications with a wide operating range.
Applications
The SN74LVTH244ADWR is ideal for use in various applications, including:
- Data Communication Systems: Ensures reliable signal transmission in networking equipment.
- Industrial Automation: Provides robust signal buffering in control systems.
- Consumer Electronics: Enhances signal integrity in devices such as gaming consoles and smart home systems.
- Automotive Electronics: Supports signal conditioning in vehicle control modules.
Q & A
1. What is the operating voltage range of the SN74LVTH244ADWR?
The operating voltage range is 2.7V to 3.6V.
2. Does this component support hot insertion?
Yes, it supports hot insertion with Ioff and power-up 3-state features.
3. What is the propagation delay of the SN74LVTH244ADWR?
The propagation delay is 3.5 ns.
4. Is external pull-up or pull-down resistor required?
No, the bus-hold circuitry eliminates the need for external resistors.
5. What is the package type of this component?
It comes in a TSSOP-20 package.
6. Can it operate in mixed-voltage environments?
Yes, it supports mixed-mode signal operation with 5V input/output and 3.3V supply.
7. What is the maximum operating temperature?
The maximum operating temperature is 85°C.
8. Does it have ESD protection?
Yes, it provides ESD protection exceeding JESD 22 standards.
9. How many channels does it have?
It has 8 channels.
10. What is the typical application of this component?
It is commonly used in data communication systems, industrial automation, and consumer electronics.
