XC18V01VQ44C

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The XC18V01VQ44C is a memory configuration prom specifically designed for FPGAs. It has an electrically erasable (EE) programmable read-only memory, or EEPROM, and is offered in a 5 by 4 mm MLP or Quad-X flatpack package. It is available in densities up to 1 Mbit and densities up to 4 Mbit for the XC18V04VQ44C. It replaces the XC17Sxx and XC17Vxx families.

An FPGA is a programmable microchip that can have different functions which may include logic, memory and routing. To become operational, the FPGA must be instructed with a configuration file, which is done by a configuration storage device. This device must be able to store the configuration data and correctly instruct or configure the FPGA. The XC18V01VQ44C is one such device.

The main purpose of the XC18V01VQ44C is to hold the configuration data for the FPGA. The different densities of the device vary in size, and therefore how much data can be stored, but the standard density of 1 Mbit is large enough for most FPGA applications and the 4 Mbit density should be used for the more complex FPGA designs.

The memory of the XC18V01VQ44C can be programmed with a single-voltage programming device, such as ByteBlaster II, and can be erased using the same device. There is no need for an external power supply as the device gets its power from the programming device. Once programmed, it can be used to program the FPGAs in the system.

When used in the system, the XC18V01VQ44C stores the configuration data for the FPGA, which is sent by the FPGA to the memory using its operation system, such as Quartus II. On chip, the data is then processed and routed to the appropriate cell. The data is then used by the FPGA to configure its logic and memories. The process of writing the configuration data to the memory and then routing it to the FPGA is referred to as in-system programming or ISP.

The XC18V01VQ44C is a reliable and efficient memory configuration prom for FPGAs. It offers various advantages for the user including its single-voltage programming devices, low power requirements and EEPROM technology. It is a highly cost-effective solution for FPGA configuration and can be used in most FPGA designs.

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