XC18V512SO20C

Overview

The XC18V512SO20C is a Serial Rapid Load (SRL) configuration PROM manufactured by AMD/Xilinx. It provides 512 Kbit of non-volatile storage for FPGA configuration data. The device operates at a supply voltage of 3.3 V and supports In-System Programming (ISP). It is housed in a 20-pin Small Outline Integrated Circuit (SOIC) package, facilitating integration into digital systems requiring reliable FPGA initialization.

Feature Summary

• Supports In-System Programming for flexible field updates
• Provides serial rapid load capability for efficient FPGA configuration
• Non-volatile memory retains configuration data without power

Applications

• FPGA configuration memory
• In-system programming applications
• Digital system initialization

Procurement Notes

Verify the component status as obsolete before procurement planning. Confirm compatibility with target FPGA devices regarding pinout and electrical specifications. Ensure sourcing channels provide genuine parts to avoid counterfeit risks associated with discontinued semiconductor products.

Selection Notes

Select this component when a 512 Kbit capacity is required for SRL configuration. Consider the 3.3 V operating voltage and SOIC package constraints. Evaluate ISP requirements against alternative configuration methods if future updates are anticipated.

Part Context

This part belongs to the Xilinx XC18V family of configuration PROMs. These devices are designed specifically to store bitstreams for Xilinx FPGAs. The series offers various capacities and package options to suit different design complexity and space requirements.

Replacement Considerations

Check for direct cross-reference part numbers from AMD/Xilinx or authorized distributors. Verify that any substitute maintains identical pinout, voltage levels, and interface protocols to ensure seamless integration.