ST16C1551IQ48-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C1551IQ48-F is a single-channel Universal Asynchronous Receiver/Transmitter (UART) integrated circuit manufactured by MaxLinear. It features a 16-byte transmit FIFO and a 16-byte receive FIFO to enhance data throughput and reduce CPU overhead. The device supports data rates up to 4 Mbps and operates within a supply voltage range of 2.97V to 5.5V. It is housed in a 48-pin Thin Quad Flat Package (TQFP) with dimensions of 7mm x 7mm and a height of 1.2mm. The component is rated for an industrial operating temperature range from -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Integrated 16-byte transmit and receive FIFOs for efficient serial data handling
• Supports high-speed asynchronous communication up to 4 Mbps
• Compatible with standard RS232, RS422, and RS485 interface standards

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation control systems requiring reliable serial communication
• Embedded computing platforms needing additional UART ports
• Telecommunications equipment utilizing RS485 or RS232 interfaces

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific suffix 'F' against the manufacturer's current datasheet to confirm package type and environmental compliance status. Ensure the selected variant matches the required operating temperature range and pinout configuration for your PCB layout. Cross-reference the part number with official distributor catalogs to confirm availability and lead times before finalizing procurement plans.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a single UART channel with moderate FIFO depth is sufficient for the application. Compare against the ST16C2550 series if dual channels are needed, or the ST16C554 series for quad-channel requirements. Verify that the 48-pin TQFP footprint fits the design constraints and that the 2.97V-5.5V supply range aligns with the system power architecture.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the MaxLinear VLIO UART family, which provides versatile serial interface solutions. It is functionally similar to legacy Exar UART controllers, maintaining compatibility with common bus protocols. The ST16C1551IQ48-F serves as a specialized solution for applications requiring robust asynchronous serial connectivity in compact surface-mount packages.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Check for direct pin-to-pin replacements within the ST16C155x series. Verify functional equivalence with other single-channel UARTs offering 16-byte FIFOs. Confirm that any substitute part supports the same 4 Mbps data rate and TQFP-48 package.