Texas Instruments

SN74ACT244DW

SN74ACT244DW Description

The SN74ACT244DW from Texas Instruments is a high-performance, non-inverting octal buffer and line driver designed for 4.5V to 5.5V operation. Housed in a 20-pin SOIC package, this IC is part of the 74ACT series, offering low-power CMOS technology with TTL-compatible inputs. It features two 4-bit elements, each with 3-state outputs, enabling efficient bus interfacing and signal isolation. With a 24mA output drive capability (both high and low), it ensures robust signal integrity in high-speed digital systems. The device is RoHS3 compliant, REACH unaffected, and has a Moisture Sensitivity Level (MSL) of 1, making it suitable for industrial and commercial applications.

SN74ACT244DW Features

• High-Speed Operation: Optimized for 5V systems with TTL-level compatibility, ensuring seamless integration with legacy designs.
• 3-State Outputs: Allows bus-oriented applications by enabling multiple devices to share a common bus without interference.
• Strong Drive Capability: 24mA sink/source current per output, ideal for driving heavily loaded lines or capacitive loads.
• Low Power Consumption: Advanced CMOS technology minimizes power dissipation while maintaining high speed.
• Robust Packaging: 20-SOIC (DW) surface-mount package ensures reliability in automated assembly processes.
• Wide Operating Voltage Range: 4.5V to 5.5V supply flexibility accommodates voltage fluctuations.

SN74ACT244DW Applications

• Bus Buffering: Ideal for address/data bus isolation in microprocessors and memory systems.
• Signal Conditioning: Used in communication interfaces to strengthen weak signals before transmission.
• Industrial Control Systems: Provides noise immunity and signal integrity in harsh environments.
• Automotive Electronics: Suitable for 5V logic systems in infotainment and control modules.
• Test and Measurement Equipment: Ensures high-fidelity signal propagation in precision instruments.

Conclusion of SN74ACT244DW

The SN74ACT244DW stands out as a versatile, high-drive buffer with exceptional speed and reliability. Its 3-state outputs, robust current drive, and wide voltage range make it a preferred choice for digital systems requiring signal buffering or bus management. Whether in industrial automation, automotive, or communication systems, this IC delivers consistent performance while adhering to environmental and regulatory standards. For engineers seeking a cost-effective, high-performance solution, the SN74ACT244DW is a compelling option.