XR16M2751IM48-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The XR16M2751IM48-F is a dual universal asynchronous receiver/transmitter (DUART) interface integrated circuit manufactured by MaxLinear. It operates within a supply voltage range of 2.25 V to 5.5 V and supports data rates up to 6.25 Mbps. The device features 64-byte transmit and receive FIFOs for each channel, enhancing throughput efficiency. It includes an internal oscillator, IrDA encoder/decoder, automatic flow control, and modem control signals. Packaged in a 48-TQFP (7x7 mm) surface-mount enclosure, it functions across an industrial temperature range of -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Dual-channel architecture with independent 64-byte FIFO buffers per port
• Integrated IrDA encoding and decoding capabilities
• Support for RS-232 and RS-422 communication protocols
• Automatic hardware flow control and modem signal management

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring robust serial communication
• Embedded devices needing multiple UART interfaces with high throughput
• IoT gateways utilizing IrDA connectivity options
• Telecommunications equipment interfacing with legacy serial standards

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and moisture sensitivity level handling requirements prior to assembly. Check for recent product discontinuation notices or lifecycle changes that may affect long-term availability. Ensure packaging integrity matches specified tray quantities for storage stability.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual independent UART channels with substantial buffering are required. Compare against single-channel alternatives if only one interface is needed to reduce cost. Consider the 6.25 Mbps speed limit against higher-speed USB-to-UART bridges if bandwidth demands exceed serial capabilities. Evaluate power consumption profiles against low-power constraints in battery-operated designs.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the XR16M2751 series of high-performance DUARTs from MaxLinear. It shares functional similarities with the XR16L2751 but offers optimized performance characteristics. The IM48 suffix denotes the specific 48-pin TQFP package variant. It serves as a drop-in replacement for legacy dual UART solutions in space-constrained PCB layouts.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing firmware drivers before considering alternative components. Check pin-to-pin equivalence if substituting with similar dual UART ICs from other manufacturers.