The Xilinx XC17256XJC is an In-System Programmable (ISP) Read-Only Memory (PROM) configuration device designed for use with Xilinx Field-Programmable Gate Arrays (FPGAs). It functions as a non-volatile memory, storing the configuration bitstream necessary to initialize and operate the FPGA. The XC17256XJC offers a storage capacity of 256 Kbits.

Applications:

• FPGA Configuration: The primary application is storing configuration data for Xilinx FPGAs, defining their functionality.
• Embedded Systems: Used in embedded systems requiring non-volatile storage for configuration settings.
• Telecommunications: Utilized in telecommunications equipment to configure FPGAs for signal processing and data routing.
• Industrial Automation: Used in industrial control systems to configure programmable logic devices (PLDs).
• Aerospace and Defense: Employed in critical systems needing reliable non-volatile memory for configuration.

Features:

• In-System Programmability (ISP): Allows the device to be programmed while it is still mounted on the circuit board.
• Non-Volatile Storage: Retains data even when power is removed, ensuring the FPGA is correctly configured upon startup.
• 256 Kbits Storage Capacity: Provides sufficient storage for FPGA configuration data.
• JTAG Interface: Supports JTAG (IEEE 1149.1) interface for programming and testing.
• Low Power Consumption: Optimized for low power consumption.

Benefits:

• Flexibility: ISP simplifies updates and modifications without physical hardware changes.
• Reliability: Non-volatile memory ensures FPGA configuration integrity after power loss.
• Reduced Development Time: In-system programmability streamlines development and debugging processes.
• Cost-Effective: Provides a cost-efficient solution for FPGA configuration needs.
• Improved System Performance: Enables FPGA configuration with optimized data.

Additional Details: The XC17256XJC operates at standard CMOS voltage levels. Programming is done via the JTAG interface. The device datasheet contains detailed timing diagrams and other relevant information. The number of program/erase cycles is specified in the datasheet. Package and temperature range details can be found in the product datasheet provided by Xilinx.