| PartNumber | XC2S400E-6FGG676C | XC2S400E-6FGG456I | XC2S400E-6FGG456C |
| 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 | Spartan-IIE | Spartan-IIE | Spartan-IIE |
| Number of Logic Elements | 10800 | 10800 | 10800 |
| Number of I/Os | 410 I/O | 329 I/O | 329 I/O |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | 0 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 100 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FBGA-676 | FBGA-456 | FBGA-456 |
| Series | XC2S400E | XC2S400E | XC2S400E |
| Brand | Xilinx | Xilinx | Xilinx |
| Distributed RAM | 153600 bit | 153600 bit | 153600 bit |
| Embedded Block RAM EBR | 160 kbit | 160 kbit | 160 kbit |
| Maximum Operating Frequency | 275 MHz | 275 MHz | 275 MHz |
| Product Type | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| Subcategory | Programmable Logic ICs | Programmable Logic ICs | Programmable Logic ICs |
| Tradename | Spartan | Spartan | Spartan |