SC16C752BIB48,157

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C752BIB48,157 is a dual Universal Asynchronous Receiver/Transmitter (UART) manufactured by NXP Semiconductors. It features two independent UART channels with 64-byte transmit and receive FIFOs. 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 is housed in a plastic LQFP48 package with 48 leads and measures 7 × 7 × 1.4 mm. It includes automatic hardware and software flow control capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Pin compatible with SC16C2550 while providing enhanced features via the Enhanced Feature Register.
• Supports both hardware flow control (auto-RTS/auto-CTS) and software flow control (programmable Xon/Xoff characters).
• Includes internal loopback capability for on-board diagnostics and fully prioritized interrupt system controls.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring reliable serial communication.
• Embedded devices needing multiple UART interfaces with DMA support.
• Modem interface applications utilizing standard modem control signals.

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix IB48 corresponds to the LQFP48 package variant when sourcing. Confirm that the required operating voltage aligns with the specified 2.5 V, 3.3 V, or 5 V ranges. Ensure the application design accommodates the industrial temperature specifications provided in the datasheet.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when pin compatibility with legacy SC16C2550 designs is required alongside modern FIFO enhancements. Consider the LQFP48 package constraints regarding board space and thermal dissipation. Evaluate the need for dual-channel operation versus single-channel alternatives to optimize cost and footprint.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the SC16C752B series of dual UARTs from NXP Semiconductors. It serves as an evolution of earlier UART designs, offering improved performance through larger FIFO buffers and flexible flow control options. The series is designed to bridge parallel bus interfaces to serial communication protocols efficiently.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The SC16C752B is explicitly noted as pin and software compatible with the SC16C752 and TL16C752. Designers migrating from these predecessors can utilize this component without significant schematic modifications.