Texas Instruments

SN74ACT1284PWE4

SN74ACT1284PWE4 Description

The SN74ACT1284PWE4 is a 7-bit IEEE STD 1284 Translation Transceiver, designed for high-performance bus interfacing applications. Manufactured by Texas Instruments, this logic IC chip is part of the 74ACT series and is housed in a 20-TSSOP package. It operates within a supply voltage range of 4.5V to 5.5V and is suitable for use in a temperature range of 0°C to 70°C. The device is designed for surface mount applications, making it ideal for compact and high-density PCB designs. Despite being marked as obsolete, the SN74ACT1284PWE4 remains a reliable choice for specific legacy systems and applications that require its unique features.

SN74ACT1284PWE4 Features

• Logic Type: The SN74ACT1284PWE4 is an IEEE STD 1284 Translation Transceiver, which enables seamless communication between different bus protocols. This feature makes it highly versatile for interfacing various types of data buses.
• Supply Voltage: It operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with a wide range of power supplies and reducing the need for additional voltage regulation components.
• Operating Temperature: The device is rated for operation between 0°C and 70°C, making it suitable for use in typical industrial and commercial environments.
• Number of Bits: With 7 bits of data transfer capability, it provides efficient data handling for applications requiring moderate data widths.
• Mounting Type: The surface mount package allows for easy integration into modern PCB designs, enhancing reliability and reducing the overall footprint of the system.
• ECCN and Compliance: The SN74ACT1284PWE4 is classified under ECCN EAR99 and is REACH unaffected and ROHS3 compliant, ensuring compliance with international regulations and environmental standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for storage and handling in various environments without the need for special precautions.

SN74ACT1284PWE4 Applications

The SN74ACT1284PWE4 is ideal for applications requiring efficient and reliable data bus interfacing. Its unique features make it suitable for:

• Data Communication Systems: The ability to translate between different bus protocols makes it a valuable component in systems where multiple data buses need to be interfaced.
• Industrial Control Systems: The robustness and wide operating temperature range make it suitable for industrial environments where reliability and performance are critical.
• Legacy System Upgrades: Despite its obsolete status, the SN74ACT1284PWE4 can be used to maintain and upgrade legacy systems that rely on its specific functionality.
• Compact Designs: The surface mount package allows for integration into compact and high-density PCB designs, making it ideal for space-constrained applications.

Conclusion of SN74ACT1284PWE4

The SN74ACT1284PWE4, manufactured by Texas Instruments, is a versatile and reliable 7-bit IEEE STD 1284 Translation Transceiver. Its ability to translate between different bus protocols, combined with its robust operating characteristics and compliance with international standards, makes it a valuable component for a variety of applications. While it is marked as obsolete, its unique features and compatibility with legacy systems ensure that it remains a reliable choice for specific use cases. For designers and engineers looking to maintain or upgrade existing systems, the SN74ACT1284PWE4 offers a proven solution with a wide range of benefits.