ST16C550IJ44-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C550IJ44-F is a dual Universal Asynchronous Receiver/Transmitter (UART) interface integrated circuit manufactured by MaxLinear. It operates within a supply voltage range of 2.97 V to 5.5 V and supports data rates up to 4 Mb/s. The device features 16-byte transmit and receive FIFOs for each channel, enhancing system performance by reducing CPU intervention. It is housed in a PLCC-44 surface-mount package and is designed for industrial temperature ranges from 0°C to +70°C. The component supports both Intel and Motorola bus protocols, providing flexibility for various embedded applications requiring serial communication.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual-channel UART architecture with independent 16-byte FIFO buffers per channel
• Supports high-speed data transmission up to 4 Mb/s
• Compatible with standard Intel and Motorola bus interfaces
• Operates on a wide supply voltage range from 2.97 V to 5.5 V

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial control systems requiring multiple serial ports
• Embedded computing platforms needing reliable asynchronous communication
• Data acquisition systems with moderate baud rate requirements
• Telecommunications equipment utilizing standard UART protocols

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific suffix 'IJ44' to confirm the PLCC-44 package and commercial temperature range (0°C to +70°C). Ensure compatibility with existing board layouts for this package type. Check for end-of-life status or obsolescence notices from MaxLinear before finalizing procurement plans, as availability may be limited compared to newer generations.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual UART channels are required with moderate speed capabilities up to 4 Mb/s. It is suitable for designs operating at 3.3 V or 5 V logic levels. Consider alternative models if higher data rates or extended industrial temperature ranges (-40°C to +85°C) are necessary, such as those from the ST16C554D series.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the MaxLinear VLIO UART family, which provides versatile serial communication solutions. It serves as a legacy option for systems originally designed around standard 16C550-compatible devices but requiring modern integration in a single IC. The dual-channel design allows for cost-effective expansion of serial connectivity in compact form factors.