ST16C454IJ68TR-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C454IJ68TR-F is a quad universal asynchronous receiver/transmitter manufactured by MaxLinear. It operates within a supply voltage range of 2.97 V to 5.5 V and supports data rates up to 1.5 Mbps. The device integrates 16-byte transmit and receive FIFOs for each channel. It is housed in a PLCC-68 surface-mount package and functions across an industrial temperature range from -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad UART architecture with independent 16-byte transmit and receive FIFOs per channel
• Supports both Intel and Motorola bus protocols for flexible system integration
• Operates on a single 3.3 V or 5 V power supply with wide input voltage tolerance

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial communication systems requiring multiple serial ports
• Embedded controllers needing high-speed asynchronous data transfer
• Telecommunications equipment utilizing standard UART interfaces

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer designation as MaxLinear, noting historical lineage from other semiconductor entities. Ensure the component meets required environmental specifications for the intended operating temperature range before finalizing procurement decisions.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when four independent serial channels are required in a compact form factor. The integrated FIFOs reduce CPU overhead compared to devices without buffering. Verify that the PLCC-68 footprint aligns with existing PCB layouts and that the 1.5 Mbps speed suffices for the application's throughput requirements.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the ST16C554D series of enhanced UARTs. It provides a pin-compatible alternative to legacy designs while offering improved performance through built-in FIFOs. The device is designed to replace older UART chips in applications demanding higher data integrity and reduced processor intervention.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Direct replacements include the ST16C554DIJ68-F and XR16C854DIV-F. Verify pin compatibility and FIFO depth differences when substituting. Ensure the replacement part supports the same voltage levels and bus protocols required by the host system.