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| PartNumber | XC4VLX15-10FF668C | XC4VLX15-10FF676C | XC4VLX15-10FF668I |
| Description | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| Manufacturer | Xilinx | Xilinx | Xilinx |
| Product Category | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| Product | Virtex-4 | Virtex-4 | Virtex-4 |
| Number of Logic Elements | 13824 | 13824 | 13824 |
| Number of I/Os | 320 I/O | 320 I/O | 320 I/O |
| Operating Supply Voltage | 1.2 V | 1.2 V | 1.2 V |
| Minimum Operating Temperature | 0 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 100 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FBGA-668 | FBGA-676 | FBGA-668 |
| Series | XC4VLX15 | XC4VLX15 | XC4VLX15 |
| Brand | Xilinx | Xilinx | Xilinx |
| Distributed RAM | 96 kbit | 96 kbit | 96 kbit |
| Embedded Block RAM EBR | 864 kbit | 864 kbit | 864 kbit |
| Maximum Operating Frequency | 500 MHz | 500 MHz | 500 MHz |
| Product Type | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| Factory Pack Quantity | 40 | 40 | 40 |
| Subcategory | Programmable Logic ICs | Programmable Logic ICs | Programmable Logic ICs |
| Tradename | Virtex | Virtex | Virtex |