ST16C450IQ48TR-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C450IQ48TR-F is a dual Universal Asynchronous Receiver/Transmitter (UART) integrated circuit 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 in high-speed serial communication applications. It is housed in a 48-pin TQFP surface-mount package with dimensions of 9.2mm length and 1.2mm height. The component is rated for an industrial operating temperature range from -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual-channel UART architecture supporting RS-232 and RS-485 standards
• Integrated 16-byte transmit and receive FIFOs per channel
• High-speed operation capability up to 4 Mbps
• Wide supply voltage compatibility ranging from 2.97V to 5.5V

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring robust serial communication
• Embedded control units utilizing RS-485 multi-drop networks
• Data acquisition modules interfacing with legacy serial peripherals
• Telecommunications equipment needing reliable asynchronous data transfer

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix TR-F confirms tape-and-reel packaging configuration prior to procurement. Ensure the IQ designation matches the required industrial temperature grade specifications for your application environment. Cross-reference the manufacturer part number against current distributor catalogs to confirm active status and availability constraints.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual independent UART channels are required within a single footprint constraint. The 48-pin TQFP package offers suitable pin density for complex interface designs. Consider the 16-byte FIFO depth adequate for buffering burst data traffic without external memory controllers. Validate that the 4 Mbps maximum speed aligns with the target baud rate requirements of the connected devices.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the ST16C450 series of dual UART controllers designed for versatile serial communication tasks. It serves as a bridge between parallel microprocessor buses and asynchronous serial lines. The integration of FIFOs distinguishes it from basic 16550-compatible devices by reducing CPU overhead during high-volume data transfers.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Direct replacements may include other dual UART ICs with similar FIFO depths and pinouts. Verify electrical compatibility regarding voltage levels and signal timing characteristics before substitution.