The DS26LS31CJ is a Quad Differential Line Driver designed for balanced and unbalanced digital data transmission, now manufactured by Texas Instruments after acquiring National Semiconductor. It is primarily used in applications requiring high-speed data transfer over long distances. The device converts single-ended TTL or CMOS signals into differential signals for transmission across twisted pair cables or other differential transmission lines.

Applications

• RS-422 and RS-423 Communication Systems
• Local Area Networks (LANs)
• Line Drivers
• Balanced Data Transmission
• Digital Data Transmission over Twisted Pair Cables

Features

• Quad Differential Line Driver
• TTL/CMOS Compatible Inputs
• Meets EIA Standards RS-422 and RS-423
• Single 5V Power Supply
• High Output Drive Capability
• Short-Circuit Protection

Benefits

• Reliable Data Transmission: The DS26LS31CJ ensures reliable data transmission over long distances by using differential signaling, which minimizes the effects of noise and ground loops.
• High-Speed Performance: This driver supports high data rates, enabling fast communication in a variety of applications.
• Easy Interfacing: The TTL/CMOS compatible inputs allow for easy interfacing with standard logic circuits.
• Robust Protection: Short-circuit protection prevents damage to the device in the event of output shorts, ensuring long-term reliability.
• Standard Compliance: Meets the requirements of EIA standards RS-422 and RS-423, ensuring compatibility with a wide range of communication systems.

Additional Details

The DS26LS31CJ operates from a single 5V power supply. It is designed to meet the requirements of EIA standards RS-422 and RS-423. The device has a high output drive capability, allowing it to drive long transmission lines. The outputs are short-circuit protected to prevent damage in the event of an output short. The typical propagation delay is 10ns.