SC16C2552IA44,518

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The SC16C2552IA44,518 is a dual Universal Asynchronous Receiver and Transmitter (UART) manufactured by NXP USA Inc. It operates within an industrial temperature range of -40 °C to +85 °C and supports supply voltages of 5 V, 3.3 V, and 2.5 V. The device features 16-byte transmit and receive FIFOs with selectable interrupt trigger levels. It supports data rates up to 5 Mbits/s at 5 V and 3.3 V, and up to 3 Mbits/s at 2.5 V. The component is housed in a PLCC44 package.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual independent UART channels with concurrent register write capability
• 16-byte transmit and receive FIFOs with programmable interrupt triggers
• Support for DMA mode operation via TXRDY and RXRDY signals
• Internal loop-back mode for on-board diagnostics

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• High-speed serial data communications
• Shared network environments requiring fast data processing
• Systems utilizing high-speed modems with data compression

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-channel UART solution is required with integrated FIFOs to reduce CPU overhead. Ensure the design supports the PLCC44 package and operates within the specified voltage ranges of 2.5 V, 3.3 V, or 5 V. Verify compatibility with existing software drivers if migrating from PC16C552 or ST16C2552 designs.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

The SC16C2552 series provides enhanced UART functionality compared to earlier generations like the 16C450. It is pin-compatible with the PC16C552 and ST16C2552, facilitating direct upgrades in existing hardware designs while offering improved performance through larger FIFO buffers and higher data rate capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The SC16C2552IA44 is functionally compatible with the PC16C552 and ST16C2552. Designers upgrading from these parts can typically use the SC16C2552 as a drop-in replacement without significant schematic changes.