The XC1765DSC is an In-System Programmable (ISP) PROM configuration memory device manufactured by Xilinx. It is designed to store the configuration data for Xilinx Field-Programmable Gate Arrays (FPGAs). These PROMs allow designers to easily update or reconfigure the FPGA without removing it from the circuit board, providing flexibility during development and in-field updates.

Applications

• Configuration Storage for Xilinx FPGAs: Primary use is to store the configuration bitstream for Xilinx FPGAs during power-up.
• Industrial Control Systems: Used in systems where FPGA configuration may need to be updated remotely or frequently.
• Telecommunications Equipment: Employed in network devices to reconfigure hardware for different protocols or standards.
• Aerospace and Defense Applications: Found in systems requiring adaptable hardware that can be reprogrammed in the field.
• Medical Imaging Equipment: Used to store FPGA configurations for image processing and data acquisition systems.

Features

• In-System Programmable (ISP): Allows for reprogramming of the PROM while it is still in the system.
• Non-Volatile Memory: Retains data even when power is removed.
• High Endurance: Capable of withstanding multiple program/erase cycles.
• Low Power Consumption: Minimizes power usage in the system.
• Compact Package: Available in small form-factor packages for efficient board space utilization.

Benefits

• Flexible FPGA Configuration: Enables easy updates and modifications to the FPGA design.
• Reduced Downtime: Allows for in-field updates without removing the device from the system.
• Cost-Effective: Eliminates the need for external programming hardware.
• Reliable Operation: Ensures stable and consistent performance in demanding applications.
• Simplified Design Process: Streamlines the FPGA configuration process.

Additional Details

The XC1765DSC has a storage capacity of 64 kbits. It operates with a supply voltage of typically 3.3V or 5V. The PROM is typically accessed via a serial interface. The operating temperature range spans from -40°C to +85°C or wider, depending on the specific grade. The package type is usually a SOIC or similar surface mount package. It is specifically designed to interface seamlessly with Xilinx FPGAs, ensuring proper configuration and operation. It provides a reliable and efficient solution for storing and loading FPGA configuration data. The programming is usually done through a JTAG interface. The standby current is very low.