XR17C158CV

Overview

The XR17C158CV is a Universal PCI Bus UART interface integrated circuit manufactured by MaxLinear. It provides eight independent UART channels within a single package, designed for high-density serial communication applications. The device operates with a maximum data rate of 6.25 Mb/s and includes a 64-byte storage capacity per channel. It functions within a supply voltage range of 4.5 V to 5.5 V, with a typical operating current of 5 mA. The component supports surface mount installation in an LQFP-144 package and is rated for commercial temperatures between 0°C and +70°C.

Feature Summary

• Integrates eight universal PCI bus UART channels for multi-port serial connectivity
• Supports high-speed data transmission up to 6.25 Mb/s
• Includes 64-byte FIFO buffer per channel to manage data flow efficiently

Applications

• Industrial control systems requiring multiple serial ports
• Telecommunications equipment utilizing PCI bus architecture
• Embedded systems needing high-density UART expansion

Procurement Notes

Verify the specific suffix and revision level against official MaxLinear documentation before procurement. Confirm end-of-life status and availability through authorized distributors. Ensure compatibility with existing PCI bus signaling designs and power requirements. Check for moisture sensitivity handling instructions if the component has been stored for extended periods.

Selection Notes

Select this component when eight independent UART channels are required on a PCI bus system. Compare against other MaxLinear series such as the XR17D158 or XR17L154 based on channel count and FIFO depth requirements. Ensure the application environment stays within the specified 0°C to +70°C operating temperature range. Verify that the 5V logic levels match the target system interfaces.

Part Context

The XR17C158CV belongs to the XR17C158 series of Universal PCI Bus UARTs from MaxLinear. This series is designed to provide robust serial communication capabilities for legacy and industrial PCI-based systems. It serves as a bridge between parallel PCI bus transactions and asynchronous serial data streams, facilitating reliable data exchange in complex embedded environments.

Replacement Considerations

The XR17V358IB176-F is listed as a potential replacement option. Verify pinout compatibility and functional equivalence before substitution. Ensure the alternative part meets the same channel count and performance specifications.