XC17S15ASO20I

Overview

The XC17S15ASO20I is a configuration PROM from the AMD/Xilinx XC17S00A family, designed to store configuration bitstreams for Spartan-II and Spartan-IIE FPGA devices. It features a simple interface to the target device and offers programmable reset polarity options (active high or active low). The component utilizes a low-power CMOS floating gate process and operates at a rated supply voltage of 3.3V. It is available in compact plastic packages, including the 20-pin SOIC variant indicated by the model suffix.

Feature Summary

• Stores configuration bitstreams for Spartan-II and Spartan-IIE FPGAs
• Simple interface to the Spartan device
• Programmable reset polarity (active High or active Low)
• Low-power CMOS floating gate process

Applications

• Configuration storage for Spartan-II FPGA devices
• Configuration storage for Spartan-IIE FPGA devices
• System design requiring cost-effective configuration memory

Procurement Notes

Verify the specific package type against the datasheet, as the XC17S00A family includes DIP, VOIC, SOIC, and VQFP options. Confirm that the target application uses Spartan-II or Spartan-IIE devices, as this PROM is not compatible with newer Spartan-3 or later architectures. Ensure the design supports the required programming infrastructure using Xilinx Alliance or Foundation software packages.

Selection Notes

Select this component when designing systems based on Spartan-II or Spartan-IIE FPGAs that require non-volatile configuration storage. Consider the 20-pin SOIC package for surface-mount applications requiring a compact footprint. Evaluate the low-power consumption characteristics if battery backup or energy efficiency is a priority. Verify compatibility with existing programming tools and designers' software suites.

Part Context

The XC17S15ASO20I belongs to the XC17S00A family of Configuration PROMs manufactured by AMD/Xilinx. This family provides a standardized method for storing FPGA configuration data. The 'S15' designation typically refers to the memory density within the series, while 'SO20' indicates the 20-pin Small Outline Integrated Circuit package. These components are integral to the boot-up process of compatible Spartan FPGAs.

Replacement Considerations

Direct replacements must be from the XC17S00A family with equivalent density and package. Verify pinout compatibility before substitution. Note that this component is obsolete for modern designs; consider migrating to newer configuration solutions if upgrading the FPGA platform.