ST16C552ACJ68-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C552ACJ68-F is a dual Universal Asynchronous Receiver/Transmitter (UART) from the ST68C554 series manufactured by MaxLinear. It operates with a supply voltage range of 3.0 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, reducing CPU overhead. It features Motorola bus compatibility and is housed in a 68-pin PLCC package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual UART channels with independent operation
• Integrated 16-byte FIFO buffers per channel
• Motorola bus interface compatibility
• Wide operating voltage range

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial communication systems requiring serial I/O
• Embedded controllers needing multiple asynchronous ports
• Data acquisition equipment with high throughput requirements

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the manufacturer designation on the component marking against official MaxLinear documentation. Confirm the specific suffix matches the requested electrical characteristics and package type. Ensure the source provides traceability to authorized distribution channels to avoid counterfeit components.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual asynchronous serial interfaces are required within a single footprint. The 16-byte FIFO depth is suitable for applications demanding reduced processor intervention during high-speed data transfers. Verify that the system logic levels align with the specified voltage range.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the ST68C554 series, which includes quad and dual UART variants. It serves as a serial-to-parallel interface controller designed for microprocessor-based systems. The device replaces older discrete UART solutions by integrating FIFOs and standard bus interfaces into a compact package.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Check for pin-compatible alternatives within the same series such as the ST16C554DCJ68-F for quad-channel needs. Verify functional equivalence regarding FIFO size and bus protocol support before substitution.