The XC2S200-6FGG1312C is a high-performance Field Programmable Gate Array (FPGA) from Xilinx’s Spartan-II family, featuring 200,000 system gates, 5,292 logic cells, and a large-scale 1312-ball Fine-Pitch BGA package. Designed for engineers who need maximum I/O density and reliable commercial-grade operation, this device offers an exceptional balance of logic capacity, memory resources, and speed — all at a competitive cost. Whether you’re prototyping complex digital systems, replacing ASICs, or deploying embedded processing solutions, the XC2S200-6FGG1312C delivers the performance and flexibility your design demands.

What Is the XC2S200-6FGG1312C? — Xilinx Spartan-II FPGA Overview

The XC2S200-6FGG1312C belongs to Xilinx’s Spartan-II FPGA family, a series engineered to serve as a cost-optimized, high-performance alternative to mask-programmed ASICs. The part number breaks down as follows:

This device is manufactured using 0.18µm process technology and operates on a 2.5V core voltage, offering excellent performance and power efficiency for its generation.

XC2S200-6FGG1312C Key Features and Technical Highlights

The XC2S200-6FGG1312C stands out in the Spartan-II lineup for its combination of gate density, memory, and I/O count. Key features include:

• 200,000 system gates (logic and RAM combined)
• 5,292 logic cells in a 28 × 42 CLB array (1,176 total CLBs)
• 75,264 bits of distributed RAM
• 56K bits of block RAM (14 × 4K-bit block RAM modules)
• Speed grade -6 — the highest-performance grade in the Spartan-II family
• Four Delay-Locked Loops (DLLs) for precise clock management
• FGG1312 package — 1312 Fine-Pitch BGA balls enabling a very high user I/O count
• Commercial temperature range: 0°C to +85°C
• Pb-free (RoHS-compliant) packaging indicated by the double-G suffix (FGG)
• 0.18µm process technology with 2.5V operation

XC2S200-6FGG1312C Full Technical Specifications

Core Logic and Memory Specifications

Package and Electrical Specifications

Spartan-II Family Comparison Table

The XC2S200 is the largest and most capable device in the Spartan-II family, making the XC2S200-6FGG1312C the top-tier choice when maximum gate count, memory, and I/O resources are required.

XC2S200-6FGG1312C Architecture Deep Dive

Configurable Logic Blocks (CLBs)

The heart of the XC2S200-6FGG1312C is its array of 1,176 Configurable Logic Blocks (CLBs). Each CLB contains:

• Two slices, each with two 4-input Look-Up Tables (LUTs) and two flip-flops
• LUTs that can be configured as 16×1-bit distributed RAM or shift registers
• Wide function multiplexers for implementing complex combinational logic
• Fast carry and arithmetic logic for efficient DSP operations

This architecture enables designers to implement a broad range of digital functions — from simple combinational logic to deep pipeline structures — with high logic utilization efficiency.

Block RAM Resources

The XC2S200-6FGG1312C provides 14 dedicated block RAM modules, each storing 4,096 bits, for a total of 56K bits (7KB) of true dual-port block RAM. These memories are ideal for:

• FIFO buffers and data queues
• Lookup tables and coefficient storage
• Packet buffering in communication designs
• Local data caches in embedded processor systems

Block RAM operates independently of the CLB array, allowing concurrent memory access and logic operation for maximum throughput.

Input/Output Blocks (IOBs) and I/O Banking

The FGG1312 package provides an exceptionally high user I/O count, making the XC2S200-6FGG1312C ideal for designs requiring wide data buses or a large number of external interfaces. Each IOB supports:

• Programmable input delay for hold-time fixing
• Selectable I/O standards including LVTTL, LVCMOS (1.8V, 2.5V, 3.3V), PCI, GTL+, HSTL, SSTL, and more
• Output slew rate control (fast/slow) to reduce EMI
• Tri-state capability for bus-oriented designs
• Optional pull-up, pull-down, or keeper elements

I/O pins are organized into multiple banks, each with its own VCCO supply voltage, enabling multi-voltage interface designs from a single FPGA.

Delay-Locked Loops (DLLs)

Four on-chip Delay-Locked Loops (DLLs) — one at each corner of the die — provide:

• Clock edge alignment and deskewing
• Clock frequency doubling and division
• Phase shifting for high-speed interface timing
• Jitter reduction for clock distribution

DLLs eliminate clock insertion delay, enabling the XC2S200-6FGG1312C to run internal clock networks at full system performance without additional external components.

XC2S200-6FGG1312C vs. Other Package Options

Xilinx offers the XC2S200 in several package options. The FGG1312 stands apart for its extreme I/O count:

The FGG1312 package is specifically chosen when the design demands the highest possible number of user I/O connections, such as wide-bus memory interfaces, multi-channel communication systems, or high-density backplane interconnects.

Applications of the XC2S200-6FGG1312C

The XC2S200-6FGG1312C is a versatile device suited for a wide spectrum of industries and applications. Its high gate count, abundant memory, maximum I/O density, and -6 speed grade make it especially well-suited for the following use cases:

#### Communications and Networking

• High-speed data framing and protocol conversion (SONET/SDH, Ethernet, UART)
• Network packet buffering and switching logic
• Multi-channel serial-to-parallel conversion
• Base station signal processing and front-end interfaces

#### Industrial Automation and Control

• Motor drive control with PWM generation
• Real-time process monitoring and PLC replacement
• Industrial bus interfaces (CAN, Profibus, Modbus, EtherCAT)
• Motion control with encoder processing

#### Embedded Processing and Computing

• Soft-core processor integration (Xilinx PicoBlaze or MicroBlaze equivalent)
• Custom co-processor acceleration
• DMA controllers and memory arbitration logic
• ASIC prototyping and pre-silicon verification

#### Video, Imaging, and Signal Processing

• Real-time image convolution and filtering
• Video synchronization and timing generation
• DSP pipelines for FIR/IIR filters and FFT
• Camera interface and image pre-processing

#### Defense, Aerospace, and Medical

• Secure cryptographic processing (AES, DES engines)
• Redundant control systems with failsafe logic
• Medical imaging acquisition front-ends
• Ruggedized data logging and telemetry systems

Why Choose the XC2S200-6FGG1312C Over an ASIC?

One of the core value propositions of the XC2S200-6FGG1312C — and all Xilinx FPGA devices — is its significant advantage over mask-programmed ASICs:

For low-to-medium production volumes, system-level prototyping, or any design where requirements may evolve, the XC2S200-6FGG1312C is the clear winner.

XC2S200-6FGG1312C Configuration and Programming

Configuration Modes

The XC2S200-6FGG1312C supports multiple configuration modes to suit different system architectures:

• Master Serial Mode — FPGA reads bitstream from an external serial PROM
• Slave Serial Mode — External controller drives the configuration bitstream
• Master Parallel (SelectMAP) Mode — Parallel byte-wide configuration for fast startup
• Slave Parallel (SelectMAP) Mode — Byte-wide interface driven by external processor
• JTAG (Boundary Scan) Mode — IEEE 1149.1-compatible in-system programming

Configuration data is stored in an external serial or parallel PROM. Upon power-up, the device automatically loads its configuration, making it suitable for standalone embedded deployment.

Recommended Development Tools

Ordering Information and Part Number Decoder

Understanding the full part number structure helps ensure you order the correct variant for your application:

XC  2S  200  -  6  FGG  1312  C
|   |   |      |   |    |     |
|   |   |      |   |    |     └── Temperature: C = Commercial (0°C to +85°C)
|   |   |      |   |    └──────── Package balls: 1312
|   |   |      |   └───────────── Package: FGG = Fine-Pitch BGA, Pb-free
|   |   |      └───────────────── Speed Grade: -6 (fastest)
|   |   └──────────────────────── Gates: 200K system gates
|   └──────────────────────────── Family: 2S = Spartan-II
└──────────────────────────────── Manufacturer: XC = Xilinx

Note: The double-G suffix (FGG vs. FG) confirms the Pb-free / RoHS-compliant packaging, which is the recommended variant for new designs complying with environmental regulations.

Frequently Asked Questions (FAQ)

What is the maximum operating frequency of the XC2S200-6FGG1312C?

The -6 speed grade supports system performance up to 200 MHz, with internal logic paths typically achieving 263 MHz register-to-register performance under optimal conditions.

Is the XC2S200-6FGG1312C RoHS compliant?

Yes. The double-G suffix in FGG1312 confirms this is the Pb-free (lead-free) package, compliant with RoHS environmental directives.

What temperature range does the XC2S200-6FGG1312C support?

The “C” suffix designates the Commercial temperature range: 0°C to +85°C. For industrial (-40°C to +85°C) applications, the “I” suffix variants should be considered.

Can the XC2S200-6FGG1312C replace an ASIC?

Absolutely. One of the Spartan-II family’s primary design goals is to serve as a cost-effective, reconfigurable alternative to mask-programmed ASICs, eliminating upfront NRE costs and enabling field updates.

What configuration PROM is compatible with the XC2S200-6FGG1312C?

Xilinx XCF (Platform Flash) or XC18V00 series serial PROMs are typically used. Xilinx iMPACT software manages device programming.

Is the XC2S200-6FGG1312C still available?

While the Spartan-II family is mature (not recommended for new designs per Xilinx), the XC2S200-6FGG1312C remains available through authorized distributors and excess inventory suppliers for legacy system maintenance and production continuity.

Summary: XC2S200-6FGG1312C at a Glance

The XC2S200-6FGG1312C is the definitive choice in the Spartan-II lineup when engineers need maximum gate resources, high-speed operation, and an exceptionally high I/O count from a proven, low-cost FPGA platform. With 200,000 system gates, 5,292 logic cells, 56K bits of block RAM, four DLLs, and the expansive FGG1312 ball-grid package, it supports complex digital designs across communications, industrial, medical, defense, and consumer applications.

Its -6 speed grade ensures peak performance in the commercial temperature band, while the Pb-free FGG packaging ensures compliance with modern environmental standards. Backed by Xilinx’s mature ISE toolchain and extensive IP library, the XC2S200-6FGG1312C gives engineers everything needed to move from design to working hardware rapidly and cost-effectively.