ST16C2552IJ44TR-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The ST16C2552IJ44TR-F is a dual asynchronous receiver and transmitter manufactured by MaxLinear. It features 16-byte transmit and receive FIFOs with error flags. The device supports independent programmable baud rate generators for each UART, allowing clock rates from 50Hz to 1.5 MHz. It operates within a supply voltage range of 2.97V to 5.5V and includes modem control signals such as CTS*, RTS*, DSR*, DTR*, RI*, and CD*. The component is housed in a PLCC-44 package and is compatible with Intel bus architectures.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual UART architecture with integrated 16-byte transmit and receive FIFOs
• Independent programmable baud rate generators supporting up to 1.5 MHz operation
• Full modem control signal support including CTS, RTS, DSR, DTR, RI, and CD
• Software compatibility with standard interfaces like INS8250 and NS16C550

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial communication systems requiring reliable serial data transfer
• Embedded controllers needing multiple asynchronous serial ports
• Telecommunications equipment utilizing standard UART protocols
• Computer peripheral interfaces requiring FIFO buffering

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the manufacturer designation carefully, as this component was originally produced by Exar Corporation before its acquisition by MaxLinear. Confirm that the suffix TR-F indicates the tape-and-reel packaging format. Ensure the specific revision level matches the design requirements, as legacy components may have varying documentation sources across different distributors.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a dual-channel UART solution with hardware flow control is required. It serves as a pin-compatible replacement for National Semiconductor NS16C552 devices. Consider the 16-byte FIFO depth for applications involving burst data transmission to prevent buffer overflows. Verify that the operating temperature range meets the environmental constraints of the target system.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the ST16C255x series of dual universal asynchronous receiver/transmitters. The series is designed to provide high-performance serial communication capabilities in a compact form factor. The ST16C2552 variant specifically offers two independent channels, making it suitable for multi-port serial applications in embedded and industrial environments.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Publicly confirmed substitutes include the ST16C2552IJ44 and the ST16C2552CVJ44. These parts share identical pinouts and functional specifications. Verify that any alternative source confirms the same FIFO depth and voltage operating ranges.