The Xilinx XC17256EJC20C is an in-system programmable (ISP) configuration PROM designed for use with Xilinx Field-Programmable Gate Arrays (FPGAs). This PROM provides a non-volatile memory solution for storing the configuration data of an FPGA. It enables the FPGA to be configured automatically upon power-up, eliminating the need for external configuration devices or complex loading sequences. The 'E' designation signifies that it is erasable and reprogrammable, offering flexibility for design iterations and updates.
Applications
- FPGA Configuration Storage: Used to store the configuration bitstream for Xilinx FPGAs.
- Embedded Systems: Found in embedded systems requiring reliable FPGA configuration.
- Telecommunications Equipment: Utilized in telecommunications applications for configuring FPGAs used in signal processing.
- Industrial Control Systems: Used in industrial environments where FPGAs control machinery and processes.
- Aerospace and Defense: Employed in aerospace and defense applications due to its reliability and reprogrammability.
Features
- In-System Programmable (ISP): Can be programmed directly on the circuit board, simplifying updates and revisions.
- Erasable and Reprogrammable: The 'E' suffix indicates that it can be erased and reprogrammed multiple times.
- High Capacity: Offers a 256K-bit storage capacity, sufficient for many FPGA configurations.
- Low Power Consumption: Designed for low power operation, suitable for battery-powered or energy-sensitive applications.
- JTAG Programming Interface: Uses a standard JTAG interface for programming and configuration.
Benefits
- Simplified Configuration: Simplifies the FPGA configuration process with automatic loading at power-up.
- Flexible Design Changes: Allows for easy design updates and modifications through in-system programming.
- Reduced Board Space: Requires minimal board space due to its compact package.
- Increased Reliability: Provides reliable storage of configuration data, ensuring proper FPGA operation.
- Cost-Effective Solution: Offers a cost-effective alternative to other configuration methods.
Additional Details
The XC17256EJC20C comes in a 20-pin PLCC (Plastic Leaded Chip Carrier) package. It is typically programmed using a Xilinx programming cable and software. It operates within a specific voltage and temperature range, as detailed in the Xilinx datasheet. The device is often used in conjunction with a Xilinx FPGA to create a complete programmable logic solution. The C at the end of the part number designates the temperature grade. It is RoHS compliant.