onsemi

DM74AS646NT

DM74AS646NT Description

The DM74AS646NT is a through-hole mounted transceiver inverting logic IC chip, part of the 74AS series, manufactured by onsemi. This device is designed to operate within a supply voltage range of 4.5V to 5.5V and can handle an operating temperature range of 0°C to 70°C (TA). It features a single element with 8 bits per element, making it suitable for applications requiring efficient data transmission and inversion. The DM74AS646NT is housed in a tube package and is identified by the base product number 47AS646. Despite its obsolete status, it remains a reliable choice for specific legacy systems and applications.

DM74AS646NT Features

• Operating Temperature Range: 0°C to 70°C (TA), ensuring reliable performance in a wide range of ambient conditions.
• Supply Voltage: 4.5V to 5.5V, providing flexibility in power supply requirements.
• Logic Type: Transceiver In,verting, which allows for efficient data transmission and inversion, making it ideal for bidirectional communication systems.
• Number of Bits per Element: 8 bits, supporting high data throughput and efficient communication protocols.
• Output Current: 15mA for high output and 48mA for low output, ensuring robust signal integrity and compatibility with various peripheral devices.
• Mounting Type: Through Hole, offering a secure and reliable physical connection, especially in environments where surface-mount components may not be suitable.
• Package: Tube, which provides protection and ease of handling during assembly and storage.
• ECCN: EAR99, indicating compliance with export regulations and ease of international distribution.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and chemical regulations.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), making it suitable for storage and handling in various environmental conditions without the need for special precautions.

DM74AS646NT Applications

The DM74AS646NT is well-suited for a variety of applications where reliable data transmission and inversion are critical. Some specific use cases include:

• Data Communication Systems: Ideal for bidirectional communication systems where data needs to be transmitted and inverted efficiently.
• Legacy Systems: Due to its obsolete status, it is particularly useful for maintaining and upgrading legacy systems that rely on this specific component.
• Industrial Control Systems: Suitable for industrial environments where robustness and reliability are paramount, and through-hole components are preferred.
• Telecommunications: Can be used in telecommunication equipment where bidirectional data flow and signal inversion are required.
• Automotive Electronics: Applicable in automotive systems where through-hole components are necessary for mechanical stability and reliability.

Conclusion of DM74AS646NT

The DM74AS646NT, despite being marked as obsolete, remains a valuable component for specific applications requiring reliable transceiver and inverting functionality. Its robust design, wide operating temperature range, and through-hole mounting type make it suitable for industrial, automotive, and legacy systems. The DM74AS646NT offers unique advantages such as high output current capabilities and compliance with international regulations, making it a choice reliable for engineers and designers working with legacy systems or specific application requirements.