The Xilinx XC17256DV08C is an In-System Programmable (ISP) configuration PROM (Programmable Read-Only Memory) belonging to the XC1700 series, specifically designed for configuring Xilinx Field-Programmable Gate Arrays (FPGAs). It provides non-volatile storage for the configuration bitstream required to define the functionality of the connected FPGA. The XC17256DV08C offers a storage capacity of 256 Kbits, and the '08' might relate to a specific speed grade or other performance characteristic.
Applications:
- FPGA Configuration: Its primary application is to store the configuration data that determines the behavior of Xilinx FPGAs.
- Embedded Systems: Utilized in embedded systems requiring reliable non-volatile memory for storing configuration parameters.
- Telecommunications Equipment: Deployed in telecom applications for configuring FPGAs used in signal processing and data routing.
- Industrial Automation: Used in industrial control systems to configure programmable logic devices.
- Aerospace and Defense: Integrated into critical systems needing dependable non-volatile memory for configuration purposes.
Features:
- In-System Programmability (ISP): Allows reprogramming of the device while it remains on the circuit board, facilitating easier updates and modifications.
- Non-Volatile Storage: Retains data even when power is off, ensuring that the FPGA is correctly configured upon startup.
- 256 Kbits Storage Capacity: Provides sufficient storage capacity for the configuration data of many Xilinx FPGAs.
- JTAG Programming Interface: Supports the standard JTAG (IEEE 1149.1) interface for simplified programming and testing.
- Low Power Consumption: Designed for efficient operation, minimizing power consumption in embedded applications.
Benefits:
- Flexibility: ISP enables easy adaptation to changing system requirements without physical replacement of the configuration device.
- Reliability: Non-volatile storage ensures that the FPGA is always correctly configured, even after power interruptions.
- Cost-Effectiveness: Offers a competitive solution for FPGA configuration compared to alternative memory technologies.
- Ease of Use: Simplifies the configuration process with a user-friendly programming interface and available development tools.
- Reduced Time-to-Market: ISP facilitates quicker design iterations and faster deployment of FPGA-based systems.
Additional Details: The XC17256DV08C typically operates at standard CMOS voltage levels. Specific details regarding the '08' designation, such as speed grade or other performance metrics, would be found in the Xilinx datasheet. The device is programmed using a JTAG interface, and the datasheet provides timing diagrams and other relevant programming information. The number of program/erase cycles is also specified in the datasheet, ensuring long-term reliability.