AT17C256-10PC

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Memory is a vital component of the modern FPGA circuit. AT17C256-10PC family of flash configuration PROMs offers designers small size, low power and high performance solutions for FPGA systems that require a configuration memory device. This article will provide an overview of the AT17C256-10PC application field and working principle.

Overview and Features of AT17C256-10PC

The AT17C256-10PC is a high-density, low-power, high-speed Configuration PROM family designed to configure Altera Stratix II FPGA devices. These devices are ideal for applications that require a large amount of configuration information to support large FPGA sizes and multiple functions. The AT17C256-10PC supports FPGA devices including Stratix II and Apex II devices, as well as devices from other vendors including Altera, Xilinx and Quick-Logic. AT17C256-10PC devices are available in several package styles, depending on the required capacity.

The AT17C256-10PC contains an optimized, three-level ripple register architecture that provides high-performance, low-power operation. The device offers a full set of control, test and timing features, including a serial and parallel configuration port, DIRECT_CONFIG Mode and ROM_CODE mode. These features allow the user to quickly and easily configure the device for the desired type of operation. Additionally, the device features a One Time Programming security feature that prevents unauthorized reprogramming and tampering.

Application Field of AT17C256-10PC

The AT17C256-10PC is designed to be used as a configuration PROM device in the Altera Stratix II FPGA applications. These devices can also be used to configure other FPGA devices, as well as ASICs, PLDs, CPLDs and ROMs. The AT17C256-10PC is a high-density device that is capable of storing up to 16 megabits of data in its 32-word register array.

The AT17C256-10PC is ideal for applications that require high-speed data transfer, such as telecommunications and networking applications, as well as for applications that require data storage or data processing, such as machine vision or embedded control systems. These devices are also well suited for use in applications where a large amount of configuration information must be stored or retrieved quickly.

Working Principle of AT17C256-10PC

The AT17C256-10PC works by using a three-level ripple register architecture. This architecture allows the device to transfer data quickly while consuming minimal power. The device is designed to operate at up to 33 MHz and has a data transfer rate of up to 20 Mbits/s. It provides a direct interface to the FPGA, which allows the FPGA to be quickly configured.

The device features a serial configuration port, which can be used to transfer large amounts of data quickly. It also features a parallel port, which allows for data transfers at lower speeds. The DIRECT_CONFIG mode allows the user to quickly configure the device by using a single bit to initiate the programming cycle. The ROM_CODE mode can be used to configure the device using a 16-word block of data.

The device also features a One Time Programming security feature. This feature prevents unauthorized reprogramming of the device and tampering with its contents. The AT17C256-10PC also comes with built-in self-test circuitry and other features that help to ensure reliable operation in the field.

Conclusion

The AT17C256-10PC is an ideal configuration PROM device for Altera Stratix II FPGAs, as well as other FPGA devices, ASICs, PLDs, CPLDs and ROMs. It provides fast, low-power operation and features a full set of control, test, and timing features. Additionally, the device includes a One Time Programming security feature that prevents unauthorized reprogramming. The device is suitable for a wide range of applications, including telecommunications, networking, and embedded control systems.

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