SC16C754BIB80,528

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C754BIBM,528 is a quad Universal Asynchronous Receiver/Transmitter (UART) manufactured by NXP Semiconductors. It integrates four independent UART channels, each equipped with 64-byte transmit and receive FIFOs to minimize processor overhead. The device supports data rates up to 5 Mbit/s at 3.3 V and 5 V supply voltages, and up to 3 Mbit/s at 2.5 V. It operates within an industrial temperature range of -40 °C to +85 °C. The component utilizes an 8-bit parallel interface for CPU communication and features automatic hardware and software flow control mechanisms.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Four independent UART channels with 64-byte FIFOs for both transmission and reception
• Supports 2.5 V, 3.3 V, and 5 V power supplies with pin compatibility to legacy devices
• Integrated automatic hardware flow control using auto-RTS and auto-CTS signals
• Configurable software flow control utilizing programmable Xon/Xoff characters

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring multi-channel serial communication
• Embedded controllers managing multiple peripheral devices via UART interfaces
• Telecommunications equipment utilizing high-speed asynchronous data transfer

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix IBM against the manufacturer's current documentation to confirm package type and lead time requirements. Confirm RoHS compliance status and environmental declarations directly from the official datasheet before procurement. Ensure the source document matches the exact part number to avoid functional discrepancies in flow control or voltage specifications.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a design requires four distinct UART interfaces within a single integrated circuit. Verify that the target system supports the required 8-bit parallel bus architecture and interrupt handling capabilities. Ensure the operating voltage aligns with the 2.5 V, 3.3 V, or 5 V specifications and that the thermal environment remains within the industrial range limits defined in the datasheet.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This component belongs to the SC16C754B family of quad UARTs produced by NXP Semiconductors. It serves as an enhanced successor to earlier generations, offering increased FIFO depth and improved flow control logic compared to standard 16550-compatible devices. The IBM suffix specifically denotes the LQFP64 plastic low profile quad flat package variant.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The TL16C754FN is documented as a pin-compatible alternative. Verify electrical characteristics and register compatibility before substitution.