Product Overview: 74LVT244B Octal Buffer/Line Driver from NXP

The 74LVT244B is a high-performance, BiCMOS product designed by NXP Semiconductors, aimed at addressing the needs for speed and power efficiency in modern digital systems. This octal buffer/line driver with 3-state outputs is particularly suitable for driving bus lines or buffer memory address registers. Its robust design ensures that it can handle the demanding requirements of high-speed data transmission while maintaining a low power consumption profile.

Key Features

• Logic Type: Octal Buffer/Line Driver with 3-state outputs
• Operating Voltage: 2.7V to 3.6V, which makes it compatible with 3.3V logic levels, ensuring easy integration into contemporary low-voltage systems.
• High Drive: Capable of driving 50 Ohm transmission lines at 85°C, which ensures reliable data transmission even in thermally challenging conditions.
• Low Power Dissipation: With an I<sub>CC of only 40µA maximum, the 74LVT244B is optimized for low power consumption, making it ideal for power-sensitive applications.
• High-Speed Performance: It offers a typical t<sub>PD of 3.7ns when V<sub>CC = 3.3V and C<sub>L = 50pF, ensuring swift data handling capabilities.
• Bus-Hold Data Inputs: These inputs eliminate the need for external pull-up resistors, simplifying board design and reducing component count.
• Live Insertion and Extraction: It features a bus-hold circuitry that allows for live insertion and extraction without causing glitches on the bus.
• Compatibility: Input and output interface capability to systems at 5V supply, allowing for use in mixed-voltage environments.
• Package Options: Available in a variety of packages including SO20, SSOP20, and TSSOP20 to fit different assembly and space requirements.

Applications

The 74LVT244B is versatile and can be used in a wide range of applications. It is particularly well-suited for:

• Memory address buffering
• Driving bus lines in computing and telecommunication systems
• Data transmission systems that require high-speed and low power consumption
• Interface translation in multi-voltage systems

With its combination of high-speed operation, low power dissipation, and the ability to interface with 5V systems, the 74LVT244B from NXP is an excellent choice for designers looking for a reliable and efficient octal buffer/line driver.