The XC2S200-6FGG1286C is a prominent member of the Xilinx Spartan-II Field Programmable Gate Array (FPGA) family. Designed to provide a cost-effective alternative to mask-programmed ASICs, this device offers high logic capacity and flexible I/O performance. It is specifically engineered for high-volume applications where low power consumption and rapid time-to-market are critical factors.
The Spartan-II series is built on a 0.22µm CMOS process, utilizing a 2.5V core voltage. This architecture ensures that the XC2S200-6FGG1286C delivers reliable performance across various industrial and commercial sectors. Whether you are developing telecommunications hardware or consumer electronics, this Xilinx FPGA provides the versatility required for modern digital design.
Key Technical Specifications of XC2S200-6FGG1286C
Understanding the hardware capabilities is essential for optimizing your circuit design. The XC2S200-6FGG1286C features a robust logic fabric complemented by dedicated memory blocks.
Core Device Parameters
| Feature |
Specification |
| System Gates |
200,000 |
| Logic Cells |
5,292 |
| CLB Array (Rows x Cols) |
28 x 42 |
| Total CLBs |
1,176 |
| Maximum User I/O |
Up to 176 (Package Dependent) |
| Block RAM Bits |
57,344 |
| Distributed RAM Bits |
75,264 |
Electrical and Operating Conditions
The XC2S200-6FGG1286C is designed for efficiency. Below are the primary electrical characteristics that engineers must consider during the PCB layout phase.
| Parameter |
Value |
| Core Supply Voltage (VCCINT) |
2.5V ± 5% |
| I/O Supply Voltage (VCCO) |
1.5V to 3.3V |
| Speed Grade |
-6 (High Speed) |
| Temperature Range |
0°C to 85°C (Commercial) |
| Package Type |
FGG128 (Fine-pitch BGA) |
Advanced Architecture and Internal Features
The architecture of the XC2S200-6FGG1286C is optimized for high-speed logic and efficient routing. Consequently, it supports a wide variety of digital signal processing (DSP) and control functions.
Configurable Logic Blocks (CLBs)
Each CLB in the Spartan-II series contains two slices, providing four 4-input look-up tables (LUTs). These LUTs can be configured as logic generators or as distributed RAM. Furthermore, the inclusion of dedicated carry logic allows for the implementation of high-speed arithmetic functions such as adders and multipliers.
Dedicated Block RAM
One of the standout features of the XC2S200-6FGG1286C is its dedicated Block RAM. Unlike distributed RAM, these blocks are separate from the logic cells, allowing for large, localized data storage without sacrificing logic capacity. This is ideal for FIFO buffers, circular queues, and video frame buffering.
Why Choose the XC2S200-6FGG1286C for Your Design?
Selecting the right FPGA involves balancing performance with cost. The XC2S200-6FGG1286C remains a popular choice for several reasons:
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Low Cost: It provides a bridge between low-gate-count CPLDs and high-end Virtex FPGAs.
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I/O Versatility: Supports multiple standards including PCI, LVTTL, LVCMOS, and SSTL.
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On-Chip Delay-Locked Loops (DLLs): These facilitate precise clock management and skew elimination.
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Full Boundary Scan (JTAG): Simplifies testing and debugging during production.
Power Management and Efficiency
The 2.5V core architecture significantly reduces power dissipation compared to older 3.3V or 5V devices. As a result, thermal management is simplified, often eliminating the need for bulky heatsinks in standard commercial environments.
Advanced I/O Capabilities
The I/O blocks (IOBs) of the XC2S200-6FGG1286C are divided into eight banks. This division allows the device to interface with multiple voltage levels simultaneously. For instance, one bank could operate at 3.3V for legacy peripheral support, while another operates at 1.8V for low-voltage memory interfaces.
Applications of Spartan-II XC2S200 FPGAs
Due to its balanced feature set, the XC2S200-6FGG1286C is deployed in a wide array of industries. Common use cases include:
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Digital Signal Processing: Real-time filtering and signal modulation.
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System Glue Logic: Interfacing different protocols and chipsets on a single PCB.
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Embedded Control: Implementing custom microcontrollers or state machines.
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Legacy System Support: Replacing obsolete ASIC components in long-lifecycle industrial equipment.
In conclusion, the XC2S200-6FGG1286C is a versatile and reliable solution for designers seeking a high-gate-count FPGA without the high costs associated with newer flagship series. Its combination of Block RAM, DLLs, and flexible I/O makes it a foundational component for robust electronic systems.
