STMicroelectronics 74ACT244 Octal Buffer/Line Driver

The 74ACT244 from STMicroelectronics is a high-speed CMOS octal buffer and line driver designed to interface with 5V systems. This device is equipped with eight non-inverting buffers/line drivers with 3-state outputs. It is an ideal choice for driving bus lines or buffer memory address registers due to its high performance and robust design.

Key Features

• High-Speed Operation: The 74ACT244 is capable of operating at high speeds, which makes it suitable for high-performance systems.
• Wide Operating Voltage Range: It supports a wide operating voltage range from 4.5V to 5.5V, providing flexibility for various applications and compatibility with 5V systems.
• Improved Output Drive Capability: With 24mA output drive at 5V, it can drive multiple loads simultaneously without performance degradation.
• 3-State Outputs: The device features 3-state outputs which can be placed in a high impedance state. This is particularly useful for shared bus configurations, allowing multiple devices to interface with the bus without conflict.
• Low Power Consumption: Its low power consumption makes it an energy-efficient choice for modern electronic applications.
• Input Hysteresis: The built-in hysteresis at input stages enhances noise margins and promotes stable operation.

Applications

The 74ACT244 is versatile and can be utilized in a variety of applications, including:

• Bus driver for high-speed data transmission
• Memory address driving in computer systems
• Buffer for inputs to CPUs, FPGAs, or other logic circuits
• Interface between mismatched logic levels
• Signal buffering for data communication equipment

Product Specifications

The 74ACT244 features a robust latch-up performance which exceeds 500mA on all inputs and outputs, and it is fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The operating temperature range of the device is from -55°C to 125°C, ensuring reliable performance across a wide range of environmental conditions.

With its combination of speed, power efficiency, and versatile functionality, the STMicroelectronics 74ACT244 is a reliable and practical solution for a wide array of electronic applications.