XC17S50AVO8I

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The XC17S50AVO8I is a versatile configuration PROM for FPGA boards. Its primary application field is to store and run the firmware configurations of Field-Programmable Gate Array (FPGA) boards, so they can be reconfigured as needed without the need to remove and replace physical components. As a non-volatile memory unit, XC17S50AVO8I can also be used to store application parameters or configuration data that are required to be retained even when powered off.

The XC17S50AVO8I is a serial configuration prom fitted with an on-board controller. It consists of a 512K bit memory array grouped in 64 blocks. Each block contains 4096 bits of memory. The device is equipped with a 10 pin interface for data communication, 8 pins for control signals input/output, and 8 pins for address. The device can be logically divided into three parts: the serial Input/Output (I/O) block, the controller and the memory array.

The serial I/O block provides the main communication interface between the board and the external user. It operates in Parallel/Serial mode, allowing data and configurations to be sent/received from the board. The controller block is responsible for detecting commands and controlling the data flow. The memory array is where the configurations are stored.

In operation, the XC17S50AVO8I works using some basic commands sent from the external user. These commands are sent through the serial port interfacing and the reply is returned along the same interface. The most common commands which the device supports are read, write, erase, and power-down. Once the command is received, the controller block converts it into appropriate signals.-driving appropriate signals through the memory array. The memory array then processes them to register or store the required configurations.

The XC17S50AVO8I configuration prom has many advantages compared to conventional configuration proms. It is small and compact, allowing it to be integrated into any FPGA design, making it easier for the system designer. Another advantage is that the configurability is retained even after power loss, providing flexibility and reliability to the design. Furthermore, due to its non-volatile memory, the device is capable of storing data and configuration information, which is a useful feature for storing calibration parameters.

In summary, the XC17S50AVO8I is an ideal configuration PROM for FPGAs because of its small form factor, nonvolatility and configurability. Its flexibility and reliability allow it to be easily integrated within any FPGA design or application, providing a convenient and reliable alternative to conventional configuration proms.

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