SN74AHCT244N Octal Buffer/Line Driver with 3-State Outputs

The SN74AHCT244N, from Texas Instruments, is an advanced high-speed CMOS (Complementary Metal-Oxide Semiconductor) octal buffer and line driver designed to be used in 3-state memory addressing applications and as a buffer/line driver for bus-oriented systems. This integrated circuit features eight buffers with three-state outputs that can be individually controlled, making it an ideal component for interfacing between different logic levels or driving heavy loads.

Key Features

• Logic Level Translation: The device supports translation from 5V to 3.3V, enabling it to interface between systems operating at these voltages seamlessly.
• High Drive: With the ability to drive -32 mA at 5.5 V, the SN74AHCT244N is capable of driving capacitive loads and overcoming the resistive losses in long cables, making it suitable for a variety of demanding applications.
• Low Power Consumption: The device operates with a low power consumption, a typical characteristic of CMOS technology, which makes it suitable for power-sensitive designs.
• 3-State Outputs: The three-state outputs allow for connection to a bus without interfering with other components, as they can be placed in a high-impedance state.
• Wide Operating Temperature Range: It can operate over a wide temperature range from -40°C to 85°C, ensuring reliability in various environmental conditions.

Applications

The SN74AHCT244N is versatile and can be used in a broad range of applications including:

• Memory address drivers
• Bus-oriented systems
• Data transmission systems
• Buffer for high-fanout drives
• Input/Output port drivers

Technical Specifications

• Package: The device comes in a 20-pin PDIP (Plastic Dual-In-Line Package), which is suitable for through-hole mounting, allowing for easy integration into various circuit boards.
• Logic Family: AHCT
• Logic Type: Octal Buffer/Line Driver with 3-State Outputs
• Supply Voltage: 4.5V to 5.5V
• Output Current: -32 mA

The SN74AHCT244N is a reliable and efficient solution for digital buffering and driving applications, backed by Texas Instruments' reputation for high-quality electronic components.