SC16C2552IA44,529

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C2552IA44,529 is a dual Universal Asynchronous Receiver and Transmitter (UART) manufactured by NXP USA Inc. It features independent transmit and receive channels, each equipped with a 16-byte FIFO buffer to enhance data throughput and reduce CPU overhead. The device supports serial data rates up to 5 Mbits/s at 5 V and 3.3 V operation, and up to 3 Mbits/s at 2.5 V. It operates within an industrial temperature range of -40 °C to +85 °C and is housed in a PLCC44 plastic leaded chip carrier package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual UART architecture with independent 16-byte transmit and receive FIFOs for high-speed data processing.
• Supports multiple voltage levels including 5 V, 3.3 V, and 2.5 V for flexible system integration.
• Includes comprehensive modem control interface signals such as CTS, RTS, DSR, DTR, RI, and CD.
• Enables DMA mode data transfer and concurrent writes to control registers of both channels.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• High-speed serial communication interfaces requiring fast data processing.
• Shared network environments utilizing multi-channel UART configurations.
• Systems interfacing with high-speed modems employing data compression schemes.

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a dual UART solution with integrated FIFOs is required for asynchronous serial communications. Ensure the design accommodates the PLCC44 package dimensions and utilizes the appropriate voltage supply level (5 V, 3.3 V, or 2.5 V). Confirm that the external clock source meets the baud rate generator requirements for the desired data transmission speed.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the SC16C2552 series of dual UARTs. It is pin-compatible and functionally equivalent to the PC16C552 and ST16C2552. Upon power-up, it initializes to be functionally equivalent to the 16C2450, ensuring backward compatibility with legacy designs while offering enhanced FIFO capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The SC16C2552IA44,529 is pin-to-pin and functionally compatible with the PC16C552 and ST16C2552. These parts can serve as direct replacements in existing designs without requiring schematic modifications.