AT17C256-10NC

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The AT17C256–10NC configuration PROM is a device developed for use in programmable logic devices (PLDs). This versatile chip has a variety of applications, from providing on-demand memory and storage for FPGAs to being used in industrial, aerospace and defense applications. To understand the AT17C256-10NC’s capabilities and use case scenarios, we must first examine its architecture, application field and working principle.

Overview of AT17C256-10NC

The AT17C256–10NC is a low power, 32K-bit (4096 x 8-bit) configuration PROM. It uses a standard address/data bus to access the memory array, and has a single zero-power standby pin, which enables automatic power down in the event of a system reset. The device operates using a low-voltage CMOS logic family, allowing it to offer low power consumption and improved performance. Additionally, it is available in a small, surface-mount package for easy integration.

The AT17C256-10NC’s architecture is based on a standard single-transistor SRAM cell, meaning it can be used for fast access to on-chip memory. The device’s 32KB of static RAM can be used as a general-purpose memory or for configuring FPGAs. In either case, its low power consumption and robust architecture make it an ideal choice for applications where extended battery life and reliability are key.

Application Field

The AT17C256-10NC’s main application field is in the configuration of FPGAs. By programming the FPGA’s logic core, devices such as video encoders, IP cores and other digital components can be created. The device’s low voltage CMOS logic family also makes it useful in a range of other industrial, aerospace and defense applications, allowing it to be used as a general-purpose memory or as a fast access to on-chip memory in battery-operated applications.

Additionally, the device’s small surface-mount package makes it suitable for use in a wide range of applications, from small, handheld devices such as cell phones or PDAs to large, multi-purpose systems such as industrial robots or engineering workstations.

Working Principle

The AT17C256-10NC is programmed by connecting the device to an external memory programming system, such as an In-System Programming (ISP) tool. Once connected, ISP will send logic commands to the device to configure the FPGA or create a new application. To ensure accurate programming, the device utilizes an error detection algorithm to confirm that all memory cells have been successfully programmed.

Once the programming process has been completed, the AT17C256-10NC can be taken out of reset mode and the device will begin to execute the instructions sent to it. This is achieved through the reset pin, which when triggered, will halt the FPGA’s operations and reset the configuration state of the device. Once all the necessary instructions have been programmed into the device, it can be taken out of reset, allowing it to begin operation.

Conclusion

The AT17C256-10NC configurable PROM is an exceptionally robust and reliable memory device for a range of applications. By leveraging its low-voltage CMOS logic family and low-power consumptions, it is ideal for use in a variety of industrial, aerospace and defense applications. The device’s ability to be quickly and easily programmed makes it ideal for configuring FPGAs and creating custom applications, while its small surface-mount package makes it suitable for a wide range of applications.

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