AT17F040A-30QI

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The AT17F040A-30QI is a configuration storage device for Field Programmable Gate Arrays (FPGAs). These devices are used to facilitate the reprogramming of FPGAs with new software. They are used in a variety of settings, from automotive and consumer electronics to industrial automation and military operations.

The AT17F040A-30QI is an 8-bit parallel I/O fast configuration device that provides a secure memory system with an enhanced feature set. It is designed to support write operations and to help improve the loading and configuration speeds of FPGAs. The AT17F040A-30QI is a configuration PROM (Programmable Read-Only Memory) that can provide configuration data directly to the FPGAs in a cost-effective and reliable way.

The AT17F040A-30QI utilizes EON (Electrically Erasable On-Chip PROM) to store program data, which can be quickly and easily written as many times as needed without the need for external tools. This makes it ideal for applications that require frequent updating or modifications. The AT17F040A-30QI also offers a wide supply voltage range and supports a wide temperature range of operation.

When it comes to security, the AT17F040A-30QI also offers advanced authentication to ensure the integrity of the selected FPGA configuration. It offers a secure storage format for the configuration data, protecting it from unauthorized access, tampering, and manipulation. Additionally, the device also offers a secure boot mode that helps prevent the FPGAs from being tampered with during operation, helping to further secure the application.

In terms of working principle, the AT17F040A-30QI provides a fast, reliable configuration process for FPGA applications. It is designed to take the configuration data stored in the EON and transfer it to the relevant FPGA. This data can be written to the device several times without the need for additional tools or processes. During the configuration process, the AT17F040A-30QI supports standard serial and parallel programming algorithms.

When it comes to the actual configuration process, the AT17F040A-30QI enables a two-step verification process. This consists of a Checksum Identification Process (CIP) as well as a programmable logic device (PLD) verification process. Both of these steps help ensure that the configuration data is loaded correctly. The first step in the process is to run the CIP, which performs a checksum comparison between the configuration data stored in the EON and the FPGA. If the CIP finds any discrepancies, it will reject the configuration.

The second step in the configuration process is the PLD verification process. This step performs a test to ensure that the FPGA is properly configured. The PLD verification tests for certain attributes such as correct logic levels, correct device ID, correct package ID, as well as any additional tests that may be specified. Once this is complete, the AT17F040A-30QI will report the results back to the host system. This allows the user to be certain that the device is properly configured.

In conclusion, the AT17F040A-30QI is an important configuration PROM device for FPGAs. It provides a secure memory system with improved loading and configuration speeds. The device also offers advanced authentication to ensure the integrity of the selected FPGA configuration and a secure boot mode to help protect the FPGA from tampering. Additionally, the AT17F040A-30QI utilizes a two-step verification process that ensures the configuration data is loaded correctly.

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