ST16C2552IJ44-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C2552IJ44-F is a dual asynchronous receiver and transmitter manufactured by MaxLinear, Inc. It features 16-byte transmit and receive FIFOs with error flags. The device supports independent programmable baud rate generators for clock rates from 50Hz to 1.5 MHz per UART. It operates within a supply voltage range of 2.97V to 5.5V. The component includes modem control signals (CTS*, RTS*, DSR*, DTR*, RI*, CD*) and supports character lengths of 5, 6, 7, or 8 bits with even, odd, or no parity generation and detection. It utilizes a 44-pin LQFP package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual asynchronous receiver and transmitter architecture
• 16-byte transmit and receive FIFOs with error flagging
• Independent programmable baud rate generators
• Modem control signal support

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial communication systems requiring dual UART interfaces
• Embedded systems needing high-speed serial data transfer
• Telecommunications equipment utilizing standard UART protocols

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the manufacturer designation carefully, as the part number prefix 'ST' typically denotes STMicroelectronics, while the suffix '-F' and context suggest MaxLinear or Exar lineage. Confirm RoHS compliance status and moisture sensitivity level prior to procurement. Ensure the specific package variant matches the design requirements for the 44-pin LQFP footprint.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a dual UART interface with 16-byte FIFOs is required for noise immunity and throughput optimization. It is suitable for applications demanding software compatibility with legacy INS8250 or NS16C550 standards. Verify that the operating voltage range of 2.97V to 5.5V aligns with the system power rails.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This component belongs to the family of UART interface integrated circuits designed for asynchronous serial communication. It serves as a bridge between parallel microprocessor buses and serial data streams. The inclusion of FIFOs distinguishes it from basic UARTs by reducing processor overhead during data transmission and reception cycles.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The datasheet indicates pin-to-pin and functional compatibility with the National Semiconductor NS16C552. Designers should verify electrical characteristics and timing parameters against the original reference design before substitution.