The TL16C552FN is a robust integrated circuit designed by Texas Instruments to serve as a dual UART (Universal Asynchronous Receiver/Transmitter) with integrated parallel printer port and enhanced bi-directional serial communication capabilities. This versatile chip is particularly suited for applications that require high-speed data transfer and multi-functional serial connectivity.

Key Features

• Dual Channel: The TL16C552FN features two independent full-duplex UARTs, each capable of handling serial data rates up to 1.5 Mbps. This makes it ideal for applications that require simultaneous data streams.
• Parallel Port: Alongside its serial capabilities, the device includes a Centronics-compatible parallel printer port, offering a convenient solution for connecting a printer or other parallel devices.
• FIFO Buffers: Each UART channel is equipped with 16-byte FIFO buffers to enhance data throughput and reduce CPU overhead, ensuring efficient data handling during high-speed communication.
• Programmable Baud Rate: Users can configure the baud rate generator to select a wide range of baud rates, providing flexibility for various communication requirements.
• Modem Control: The TL16C552FN supports full modem control signals, making it suitable for modem interface applications.
• Power Management: The device includes a sleep mode feature, reducing power consumption when the interface is not in active use, which is critical for battery-powered or energy-sensitive applications.

Applications

The TL16C552FN is designed for use in a variety of applications where reliable serial communication is required. It is commonly found in:

• Industrial control systems
• Point of sale (POS) terminals
• Networking equipment
• Computer peripherals
• Multi-port serial cards

Package and Quality

The TL16C552FN is offered in a 68-pin PLCC (Plastic Leaded Chip Carrier) package, ensuring a compact footprint for space-constrained applications. Texas Instruments is known for its commitment to high-quality products, and the TL16C552FN is manufactured with this same dedication to reliability and performance, making it a trusted choice for designers and engineers.