Texas Instruments

SN74LS640DB  

Buffers, Drivers, Receivers, Transceivers

SN74LS640DB Description

The SN74LS640DB is a high-performance logic IC chip designed for a wide range of digital communication applications. Manufactured by Texas Instruments, this device is part of the 74LS series, renowned for its reliability and efficiency. The SN74LS640DB is an 8-bit transceiver with inverting logic, making it ideal for bidirectional data transfer while ensuring signal integrity.

SN74LS640DB Features

• Operating Temperature: The SN74LS640DB operates within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of industrial and commercial environments.
• Number of Bits per Element: With 8 bits per element, this transceiver can handle multiple data lines simultaneously, enhancing data throughput.
• Logic Type: The inverting logic type ensures that the output signal is the inverse of the input, which is beneficial for certain communication protocols and signal conditioning.
• Voltage - Supply: The device operates within a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply options.
• Current - Output High, Low: The SN74LS640DB can handle an output current of 15mA for high signals and 24mA for low signals, ensuring robust performance even under load.
• Moisture Sensitivity Level (MSL): With an MSL of 3 (168 hours), the device is protected against moisture, making it suitable for surface mount applications.
• Mounting Type: The surface mount design allows for compact and efficient integration into modern electronic systems.
• Package: Available in bulk packaging, the SN74LS640DB is ideal for high-volume production and inventory management.

SN74LS640DB Applications

The SN74LS640DB is well-suited for applications requiring reliable bidirectional data transfer. Its unique features make it ideal for:

• Data Communication Systems: The 8-bit transceiver capability allows for efficient data transfer in systems such as UART, SPI, and I2C interfaces.
• Industrial Control Systems: The robustness and temperature range make it suitable for industrial environments where reliability is paramount.
• Consumer Electronics: The compact surface mount design and low power consumption make it ideal for consumer devices where space and energy efficiency are critical.
• Automotive Electronics: The device's ability to handle high and low current outputs ensures it can manage various automotive electronic systems.

Conclusion of SN74LS640DB

The SN74LS640DB from Texas Instruments is a versatile and reliable logic IC chip designed for efficient bidirectional data transfer. Its unique features, such as inverting logic and robust current handling, make it stand out from similar models. The device's wide operating temperature range and surface mount design ensure it can be integrated into a variety of applications, from industrial control systems to consumer electronics. The SN74LS640DB is an excellent choice for engineers and designers looking for a reliable and efficient solution for their digital communication needs.

SN74LS640DB Documents

Download datasheets and manufacturer documentation for SN74LS640DB