SC16C654BIB64,157

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C654BIB64,157 is a quad universal asynchronous receiver and transmitter (QUART) manufactured by NXP USA Inc. It operates at supply voltages of 5 V, 3.3 V, and 2.5 V within an industrial temperature range of -40 °C to +85 °C. The device supports data rates up to 5 Mbit/s at 5 V and 3.3 V, and up to 3 Mbit/s at 2.5 V. It features 64-byte transmit and receive FIFOs with error flags, automatic hardware or software flow control, and infrared encoder/decoder capabilities. The component is housed in an LQFP64 package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad UART architecture supporting serial data communications
• Integrated 64-byte transmit and receive FIFOs for reduced CPU bandwidth
• Automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control
• Infrared (IrDA) encoder/decoder interface support

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial control systems requiring multi-channel serial communication
• High-speed modem interfaces and shared network environments
• Embedded systems utilizing Intel or Motorola bus architectures

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix against current manufacturer documentation to confirm package dimensions and pin compatibility. Confirm that the component meets all required environmental standards for the intended application environment before integration into final designs.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a quad UART solution with large FIFO buffers is required to minimize processor interrupt overhead. Ensure the system design accommodates the LQFP64 package footprint and provides appropriate voltage levels for the desired baud rate performance.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the SC16C654B/654DB series, which offers upward compatibility with standard 16C454/554 devices. It provides enhanced performance through larger FIFOs compared to legacy counterparts, making it suitable for applications demanding higher throughput and lower latency in serial data processing tasks.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Public confirmed substitute part numbers include SC16C654BIBM and SC16C654DIB64. Verify pinout compatibility and electrical specifications before substitution.