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XR16M2551IM48 is listed in the UARTs (Universal Asynchronous Receiver Transmitter) range at ChipApex. The manufacturer field lists Sipex. Its product description is HIGH PERFORMANCE DUART. Review the specifications below when checking this part for your BOM.
The XR16M255IM48 is a quad universal asynchronous receiver/transmitter (UART) integrated circuit manufactured by Sipex. It provides four independent UART channels with full hardware flow control and supports data rates up to 3 Mbps. The device operates from a single +3.3V power supply and features low-power CMOS technology. Key electrical parameters include an operating voltage range of 3.0V to 3.6V, maximum data rate of 3 Mbps, and support for RS-232, RS-422, and RS-485 communication standards. It includes built-in 16-byte FIFOs for each channel to enhance throughput performance.
Verify the specific suffix IM48 corresponds to the intended temperature range and packaging configuration. Confirm RoHS compliance status through official manufacturer documentation before procurement. Ensure compatibility with existing system voltage levels and signal integrity requirements.
Select this component when multiple UART interfaces are required in a compact form factor. Consider the 3.3V operating voltage requirement and ensure adequate decoupling capacitors are placed near the power pins. Evaluate thermal dissipation needs if operating at maximum data rates continuously.
This part belongs to the XR16M255 family of quad UART devices designed for applications requiring multiple serial ports. Sipex specializes in interface solutions for industrial and commercial markets. The IM48 suffix typically indicates a specific package type and temperature rating within the product line.
Check for direct pin-compatible alternatives from the same manufacturer or other vendors offering quad UART solutions. Verify that replacement parts maintain similar FIFO depths and supported baud rates. Ensure voltage level compatibility and package dimensions match the existing design constraints.
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