ST16C450IQ48-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C450IQ48-F is a dual-channel Universal Asynchronous Receiver/Transmitter (UART) manufactured by MaxLinear. It operates within a supply voltage range of 2.97V to 5.5V and supports data rates up to 4 Mbps. The device features 16-byte transmit and receive FIFOs for each channel, enhancing throughput efficiency. It is housed in a 48-pin TQFP surface-mount package with dimensions of 9.2mm length and 1.2mm height. The component functions reliably across an operating temperature range of -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual UART channels with integrated 16-byte FIFOs
• Support for RS485 and RS232 communication standards
• Wide supply voltage compatibility from 2.97V to 5.5V

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial control systems requiring serial communication
• Embedded devices utilizing RS485 or RS232 interfaces
• Data acquisition modules needing high-speed asynchronous transfer

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix and package variant against official MaxLinear documentation before procurement. Confirm that the 48-pin TQFP form factor matches the target PCB footprint. Ensure the selected unit meets the required industrial temperature specifications for the intended deployment environment.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual independent UART channels are required in a compact surface-mount package. The 4Mbps data rate capability suits applications demanding higher throughput than standard 16550-compatible devices. Verify power supply constraints align with the 2.97V to 5.5V operational window.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the MaxLinear VLIO UART series, designed for versatile serial interface needs. It serves as a modern alternative to legacy UART controllers, offering enhanced FIFO depths and broader voltage tolerance. The ST16C450IQ48-F integrates multiple protocols into a single chip, reducing board space requirements.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Check for direct pin-to-pin replacements within the MaxLinear ST16Cxx family. Verify if older Exar or Sipex equivalents require firmware adjustments due to register mapping differences.