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Home > FPGA Familis > Memory - Configuration Proms for FPGAs > XQ18V04VQ44NBRI

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Memory - Configuration Proms for FPGA's

QPro XQ18V04 (XQR18V04) QML In-System Programmable Configuration PROMs

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XQ18V04VQ44NBRI FPGAs Overview

Xilinx introduces the QPro XQ18V04VQ44NBRI Military Grade 4Mbit in-system programmable configuration Flash PROM. The XQ18V04VQ44NBRI is a 3.3V rewritable PROM that provides a reliable non-volatile method for storing large Xilinx FPGA configuration bitstreams used in systems that require operation over the full military temperature range. When the FPGA is in Master Serial mode, it generates a configuration clock that drives the PROM. A short access time after the rising CCLK, data is available on the PROM DATA (D0) pin that is connected to the FPGA DIN pin.

The FPGA generates the appropriate number of clock pulses to complete the configuration. When the FPGA is in Slave Serial mode, the PROM and the FPGA are clocked by an external clock. When the FPGA is in SelectMAP mode (Slave), an external oscillator will generate the configuration clock that drives the PROM and the FPGA. After the rising CCLK edge, data is available on the PROMs DATA (D0-D7) pins. The data will be clocked into the FPGA on the following rising edge of the CCLK. Multiple devices can be cascaded by using the CEO output to drive the CE input of the following device. The clock inputs and the DATA outputs of all PROMs in this chain are interconnected. The XQ18V04VQ44NBRI is compatible and can be cascaded with other configuration PROMs such as the XQR1701L and XQR17V16 one-time programmable configuration PROMs.


• Operating Temperature Range: –55°C to +125° C
• Low-power advanced CMOS FLASH process memory cells immune to static single event upset
• In-system programmable 3.3V PROMs for configuration of Xilinx FPGAs
- Endurance of 20,000 program/erase cycles
• IEEE Std 1149.1 boundary-scan (JTAG) support
• Cascadable for storing longer or multiple bitstreams
• Dual configuration modes
- Serial Slow/Fast configuration (up to 20 MHz)
- Parallel (up to 160 Mbps at 20 MHz)
• 5V tolerant I/O pins accept 5V, 3.3V, and 2.5V signals
• 3.3V or 2.5V output capability
• Available in plastic VQ44 packaging only
• Design support using the Xilinx Alliance Series and Xilinx Foundation Series software packages
• JTAG command initiation of standard FPGA configuration


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  • Q: How can I obtain software development tools related to the Xilinx FPGA platform?
  • In FPGA/CPLD design tools, Xilinx's Vivado Design Suite is easy to use, it is very user-friendly in synthesis and implementation, and it is easier to use than ISE design tools; The specific choice depends on personal habits and functional requirements to specifically select a more suitable match. You can search and download through the FPGA resource channel.
  • Q: Where can I purchase Xilinx XQ18V04 Development Boards, Evaluation Boards, or Memory - Configuration Proms for FPGAs Starter Kit? also provide technical information?
  • FPGAkey does not provide development board purchase services for the time being, but customers often consult about ZedBoard, Basys 3 board, TinyFPGA BX, Nexys4-DDR, Terasic DE10-Nano, Digilent Arty S7, etc. If you need relevant technical information, you can submit feedback information, our technicians will contact you soon.
  • Q: How to obtain XQ18V04VQ44NBRI technical support documents?
  • Enter the "XQ18V04VQ44NBRI" keyword in the search box of the website, or find these through the Download Channel or FPGA Forum .
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Application Field

  • AI

    Artificial Intelligence

  • 5G Technology

    5G Technology

  • Cloud Computing

    Cloud Computing

  • Consumer Electronics

    Consumer Electronics

  • Wireless

    Wireless Technology

  • Industrial Control

    Industrial Control

  • Internet of Things

    Internet of Things

  • Medical Equipment

    Medical Equipment

Technical Documents

  • XQ18V04 Technical Support PDF Datasheet Overview Download>>

Circuit Diagram


XQ18V04VQ44NBRI PDF Preview

XQ18V04VQ44NBRI Tags

  • Xilinx XQ18V04
  • XQ18V04 development board
  • Memory - Configuration Proms for FPGA's evaluation kit
  • Xilinx Memory - Configuration Proms for FPGA's development board
  • Memory - Configuration Proms for FPGA's starter kit
  • Memory - Configuration Proms for FPGA's XQ18V04
  • XQ18V04 reference design
  • XQ18V04 evaluation board
  • XQ18V04VQ44NBRI Datasheet PDF

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