The SN74LVT244A from Texas Instruments is a high-performance, octal buffer and line driver designed to facilitate the interfacing between low-voltage technology and standard TTL levels. This integrated circuit is particularly suitable for driving bus lines or buffer memory address registers thanks to its high drive capabilities.
Key Features
- 3.3-V V<sub>CC Operation: The device operates at a nominal voltage of 3.3V, making it compatible with modern low-voltage logic systems.
- 5-V Tolerant Inputs and Outputs: Inputs and outputs can tolerate 5V, providing a flexible interface with higher voltage logic levels without the need for external level shifters.
- Output Drive Capability: The SN74LVT244A can drive up to 64 mA at 3.3V, which is suitable for heavy load conditions.
- Bus Hold on Data Inputs: The device is designed with bus hold circuitry on its inputs, which retains the last active state if the input becomes disconnected, thus reducing the need for external pull-up or pull-down resistors.
- Flow-Through Architecture: Its design optimizes the PCB layout by facilitating a straightforward flow of data signals from input to output.
Applications
The SN74LVT244A is versatile and can be used in a wide array of applications, including:
- Bus Interface/Buffering
- Memory Address Driving
- Signal Distribution and Translation
- Backplane Driving
Technical Specifications
Parameter
Value
Supply Voltage (V<sub>CC)
3.3V ± 0.3V
High-Level Output Current
-24 mA
Low-Level Output Current
64 mA
Package Type
Available in SOIC, TSSOP, and TVSOP
For detailed information and complete technical specifications, refer to the official datasheet of the SN74LVT244A provided by Texas Instruments.