XC18V04VQ44I

The XC18V04VQ44I is a field-programmable gate array (FPGA) configuration PROM from Xilinx. It is used to store the configuration data needed to program Xilinx FPGAs. Key features include a 4-Mbit storage capacity, which can store configuration bitstreams for multiple FPGAs or larger bitstreams for individual FPGAs. The PROM is designed to work with Xilinx FPGAs, providing a reliable method for programming them upon power-up or reset.
This device comes in a VQ44 package, which is a 44-pin plastic leaded chip carrier (PLCC) format, offering a compact and robust packaging option for integration into various electronic systems. The "I" at the end of the model number denotes its industrial temperature grade, meaning it can operate within a wider temperature range, typically -40°C to +85°C, making it suitable for applications in more demanding environments.
The XC18V04VQ44I is part of the XC18V00 series of PROMs, which support in-system programming through standard interfaces, simplifying updates and maintenance tasks.

The XC18V04VQ44I is a Xilinx PROM chip used for FPGA configuration. Equivalent products would be other FPGA configuration PROMs offering similar storage capacity and functionality, such as those from Altera (now Intel) or Lattice Semiconductor. Specifically, you might consider the Altera EPC4 series or Lattice’s MachXO series, though exact pin compatibility should be verified. Always refer to manufacturer datasheets to ensure compatibility with your specific FPGA and application requirements.

The XC18V04VQ44I is a programmable read-only memory (PROM) from Xilinx, used primarily for storing configuration data for Xilinx FPGAs. Key features include:
1. Capacity: Offers 4 Mb of storage space.
2. Configuration: Supports configuration of Xilinx FPGAs by serial mode.
3. Packaging: Comes in a 44-pin VQFP (Very Thin Quad Flat Pack) package.
4. Voltage: Operates at a supply voltage range from 3.0V to 3.6V.
5. Speed: Provides fast access times to streamline FPGA programming.
6. Reprogrammability: Allows multiple reprogramming cycles for development flexibility.
7. Data Retention: Ensures reliable data retention for extended periods, typically over 20 years.
8. Temperature Range: Industrial operating temperature range, suitable for various environments.
9. Security: Includes simple security measures to prevent unauthorized readbacks of configuration data.
These features make the XC18V04VQ44I suitable for applications requiring reliable and efficient configuration storage for Xilinx FPGAs.

The XC18V04VQ44I is a configuration PROM from Xilinx, used primarily for storing configuration data for Xilinx FPGAs. It comes in a VQFP (Very Thin Quad Flat Pack) package with 44 pins. Here is a concise overview of its pin functions:
1. Data I/O Pins: These pins are used for data transfer during the configuration process.
2. Clock Pins: These pins receive clock signals that synchronize the data transfer.
3. Chip Select (CS) Pin: Activates the PROM for reading data.
4. RESET/OE Pin: Used to reset the PROM or enable the output.
5. PROGRAM Pin: Used to initiate a programming cycle.
6. VCC and GND Pins: Provide power supply and ground reference to the PROM.
7. NC Pins: Non-connected pins, which can be used for spacing and should not be connected to the circuit.
The XC18V04VQ44I is part of the Xilinx XC18V00 series, known for non-volatile storage, ensuring that the configuration data is retained even after power-off. It is typically used in FPGA designs to ensure that the FPGA can load its configuration data upon startup.

The XC18V04VQ44I is manufactured by Xilinx, Inc., which is now part of Advanced Micro Devices, Inc. (AMD) following their acquisition in 2022. Xilinx was known for its pioneering role in the development of field-programmable gate arrays (FPGAs), programmable logic devices, and adaptable computing solutions. The company was a leader in the semiconductor industry and specialized in creating highly flexible and high-performance integrated circuits that can be programmed to perform a wide array of tasks. These products are utilized across various sectors, including telecommunications, automotive, aerospace, defense, data centers, and consumer electronics. After the acquisition, Xilinx's technologies and products have contributed to AMD’s portfolio, enhancing its capabilities in offering adaptable solutions for a range of computing and connectivity applications.

The XC18V04VQ44I is a Xilinx in-system programmable configuration PROM, primarily used for storing configuration data for Xilinx FPGAs (Field-Programmable Gate Arrays). It is commonly utilized in applications requiring FPGA configuration, such as telecommunications, data processing, automotive systems, industrial automation, and consumer electronics. Its ability to be reprogrammed in-system makes it suitable for applications that demand flexibility and frequent updates. The PROM is also used in applications needing reliable and secure storage of FPGA configuration data, ensuring that the FPGA operates correctly upon startup. Its small size and efficient storage capabilities make it ideal for compact and resource-constrained environments.

The XC18V04VQ44I is a Xilinx CPLD featuring a VQFP (Very Thin Quad Flat Pack) package type with 44 pins. It is designed for in-system programming and configuration of FPGAs, providing non-volatile memory storage with a capacity of 4 Mb. The "I" in the part number indicates that it is rated for operation in industrial temperature ranges.