Product Overview
The XC3S1400A-4FGG484C is the largest Spartan-3A FPGA from AMD (formerly Xilinx), fabricated on a 90nm process. It features 1,400K system gates (25,344 logic cells), 1,098 Kb distributed RAM, 576 Kb block RAM, 32 dedicated 18×18 multipliers, and up to 347 user I/Os. Packaged in a 484-pin FineLine BGA (FGG484), the -4 speed grade is the fastest commercial variant for cost-sensitive, high-density applications.
Key Specifications
| System Gates | 1,400K |
| Logic Cells | 25,344 |
| Distributed RAM | 1,098 Kb |
| Block RAM | 576 Kb |
| Dedicated Multipliers (18×18) | 32 |
| DCMs | 8 |
| User I/O | 347 |
| Process Technology | 90nm |
| Core Voltage | 1.2V |
| Package | FGG484 (23×23 mm) |
| Speed Grade | -4 |
| Operating Temperature | 0C to +85C |
Features
- Largest Spartan-3A device with 1.4M system gates
- 32 hardware 18×18 multipliers for DSP coprocessing
- 576 Kb dual-port block RAM for deep buffering
- 8 DCMs for flexible clock management
- 347 user I/O supporting multiple standards
- MultiBoot configuration for field updates
Applications
- High-density glue logic consolidation
- Video and image processing
- Networking bridging and packet processing
- Industrial automation controllers
- Medical equipment DSP coprocessing