XR17D158CV-F

Overview

The XR17D158CV-F is a quad-channel Universal PCI Bus UART manufactured by MaxLinear. It integrates four independent UARTs with 64-byte transmit and receive FIFOs on a single chip, designed for high-performance serial communication in PCI-based systems. The device supports data rates up to 6.25 Mb/s and operates within a supply voltage range of 3 V to 5.5 V. It features an IrDA encoder/decoder, false start bit detection, and automatic flow control. Packaged in a 144-lead LQFP (20x20 mm) format, it functions across commercial temperatures from 0°C to +70°C.

Feature Summary

• Integrates four independent UART channels with 64-byte FIFOs for efficient data buffering
• Supports Universal PCI Bus signaling designs with high-speed data transfer capabilities
• Includes integrated IrDA encoder/decoder and false start bit detection for protocol compliance

Applications

• PCI-based industrial automation controllers requiring multiple serial ports
• Telecommunications equipment utilizing PCI bus architecture
• Embedded systems needing high-density UART expansion on PCI motherboards

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Request original datasheets and RoHS compliance documentation before procurement. Confirm package integrity upon receipt, as the 144-lead LQFP requires careful handling. Validate lot codes against current production notices to ensure compatibility with existing designs.

Selection Notes

Select this component when designing PCI-based systems requiring four independent UART interfaces with moderate FIFO depth. Ensure the target platform supports Universal PCI Bus signaling and provides adequate power delivery for 3V to 5.5V operation. Consider thermal management requirements for the 144-lead LQFP package in enclosed environments. Verify software driver availability for the specific operating system intended for deployment.

Part Context

The XR17D158CV-F belongs to the XR17D158 series of PCI UARTs, positioned alongside variants like the XR17D154CV-F which offers similar functionality. It serves as a specialized interface solution for legacy PCI architectures where multiple serial connections are necessary without occupying additional bus slots. The device complements MaxLinear's broader portfolio of serial interface controllers designed for robust connectivity in demanding applications.

Replacement Considerations

Publicly confirmed substitute part numbers include the XR17V354IB176-F, which offers PCIe compatibility with enhanced FIFO capacity.