The DS14C89AN/NOPB from Texas Instruments is a quad RS-232 receiver IC designed for robust serial communication in industrial and embedded systems. Housed in a 14-pin DIP package, this through-hole-mount device operates across a 5V or 12V supply voltage range, supporting RS-232 protocol compatibility. With 0 drivers and 4 receivers, it excels in receiving data signals while featuring 1V receiver hysteresis for enhanced noise immunity. The device is rated for 0°C to 70°C operating temperatures, making it suitable for moderate environments. Though marked obsolete, it remains ROHS3 compliant and REACH unaffected, ensuring adherence to environmental standards.
The DS14C89AN/NOPB is a specialized RS-232 receiver offering high noise immunity, wide voltage flexibility, and robust through-hole packaging. While obsolete, its compliance with modern environmental standards and proven performance in noisy environments make it a pragmatic choice for legacy systems, industrial controls, and embedded applications where RS-232 reliability is paramount. Engineers seeking a cost-effective, noise-resistant receiver for unidirectional communication will find this IC a dependable solution.
Download datasheets and manufacturer documentation for DS14C89AN/NOPB