Texas Instruments

SN74LS642N  

Buffers, Drivers, Receivers, Transceivers

SN74LS642N Description

The SN74LS642N is a high-performance logic IC chip manufactured by Texas Instruments, designed for robust and reliable data transmission in various electronic systems. This device is part of the 74LS series, known for its compatibility with TTL (Transistor-Transistor Logic) circuits. The SN74LS642N features an 8-bit transceiver with inverting logic, making it suitable for applications requiring bidirectional data communication. It operates within a supply voltage range of 4.75V to 5.25V and can function effectively within an operating temperature range of 0°C to 70°C (TA). The device is housed in a through-hole package, specifically a tube, which ensures secure and stable mounting on printed circuit boards. The SN74LS642N is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety regulations. With an Export Control Classification Number (ECCN) of EAR99 and a Harmonized Tariff Schedule (HTSUS) code of 8542.39.0001, this product is widely accessible for international trade and distribution.

SN74LS642N Features

The SN74LS642N offers several key features that enhance its performance and versatility:

• 8-bit Transceiver with Inverting Logic: This feature allows for efficient bidirectional data communication while inverting the logic levels, which can be beneficial for certain types of data processing and signal conditioning.
• Open Collector Output: The open collector output type provides flexibility in circuit design, enabling the use of pull-up resistors to achieve desired voltage levels and facilitating compatibility with various logic families.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 4.75V to 5.25V, ensuring reliable performance across a broad range of power supply conditions.
• Robust Operating Temperature Range: With an operating temperature range of 0°C to 70°C (TA), the SN74LS642N is suitable for use in a variety of environments, from standard office settings to more demanding industrial applications.
• Through-Hole Mounting: The through-hole package type ensures secure and stable mounting on printed circuit boards, enhancing the reliability and durability of the device in various applications.
• Environmental Compliance: The SN74LS642N is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards, making it suitable for use in environmentally conscious designs.

SN74LS642N Applications

The SN74LS642N is ideal for a wide range of applications due to its robust performance and versatile features:

• Data Communication Systems: The 8-bit transceiver capability makes it suitable for bidirectional data transmission in systems such as local area networks (LANs), data buses, and peripheral interfaces.
• Industrial Control Systems: The wide operating temperature range and robust design make it ideal for use in industrial environments where reliability and durability are critical.
• Consumer Electronics: The device can be used in various consumer electronics applications, such as gaming consoles, home automation systems, and multimedia devices, where efficient data processing and communication are required.
• Automotive Electronics: The SN74LS642N can be utilized in automotive applications, such as engine control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS), where reliable data transmission and processing are essential.

Conclusion of SN74LS642N

In conclusion, the SN74LS642N is a highly versatile and reliable logic IC chip that offers significant advantages for applications requiring efficient bidirectional data communication. Its robust features, such as the 8-bit transceiver with inverting logic, open collector output, and wide operating voltage and temperature ranges, make it an excellent choice for a variety of electronic systems. The device's environmental compliance and through-hole mounting further enhance its suitability for modern, environmentally conscious designs. Whether used in data communication systems, industrial control systems, consumer electronics, or automotive applications, the SN74LS642N provides reliable performance and durability, making it a valuable component in any electronic design.

SN74LS642N Documents

Download datasheets and manufacturer documentation for SN74LS642N

Images :

Mechanical Outline Drawing      

PCN :

Add Cu as Alternative Wire Base Metal for Selected Device(s) (PDF)       Product Change Notification (PDF)      

Models :

SN74LS642N Symbol & Footprint by SnapMagic      

Product Catalogs :

Logic Guide (Rev. AB)