The XC2S200-6FGG1228C is a high-density, cost-effective Field Programmable Gate Array (FPGA) from Xilinx’s Spartan-II family. Designed as a superior alternative to mask-programmed ASICs, this device delivers 200,000 system gates, 5,292 logic cells, and a 1,228-ball Fine Pitch BGA (FBGA) package — making it one of the most capable members of the Spartan-II lineup. Whether you are an embedded systems engineer, PCB designer, or procurement professional, this guide covers everything you need to know about the XC2S200-6FGG1228C.

What Is the XC2S200-6FGG1228C? Decoding the Part Number

Understanding the part number helps engineers quickly identify key attributes:

The “G” in FGG indicates Pb-free (RoHS-compliant) packaging, distinguishing it from the standard FG variant.

XC2S200-6FGG1228C Key Specifications

Core Logic Specifications

Electrical & Timing Specifications

Package Specifications

XC2S200-6FGG1228C Architecture Overview

Configurable Logic Blocks (CLBs)

The XC2S200-6FGG1228C is built around a regular, flexible, programmable architecture. The device contains 1,176 CLBs arranged in a 28 × 42 array. Each CLB contains four logic cells, with each cell made up of two 4-input function generators (LUTs) and two storage elements (flip-flops). This architecture allows designers to implement complex combinational and sequential logic efficiently.

SelectRAM™ Hierarchical Memory

One of the standout features of the Spartan-II architecture is its SelectRAM™ hierarchical memory system, which provides two levels of on-chip storage:

• Distributed RAM — 16 bits per LUT, totaling 75,264 bits on the XC2S200. This RAM is embedded within the CLB fabric and offers single-cycle read/write access.
• Block RAM — Two dedicated columns of 4K-bit block RAM modules, providing 56K bits of true dual-port synchronous memory. Block RAM is ideal for FIFOs, register files, and large lookup tables.

Input/Output Blocks (IOBs)

The XC2S200-6FGG1228C offers up to 284 user-configurable I/O pins. Each IOB supports multiple I/O standards, including LVTTL, LVCMOS, GTL, GTLP, SSTL, HSTL, and CTT. The IOBs include programmable pull-up, pull-down, and keeper circuits, as well as optional slew rate control for signal integrity management.

Delay-Locked Loops (DLLs)

Four Delay-Locked Loops (DLLs) are positioned at each corner of the die. These DLLs eliminate clock distribution delays, provide clock edge alignment, and allow frequency synthesis. They are critical for high-speed synchronous design and meeting tight setup/hold timing requirements.

Spartan-II Family Comparison Table

The XC2S200 is the largest device in the Spartan-II family. Here is how it compares to other family members:

The XC2S200 offers the highest gate count, the most logic cells, and the largest I/O count in the entire Spartan-II family.

XC2S200-6FGG1228C vs. Other XC2S200 Package Options

Xilinx offers the XC2S200 in several package options. Choosing the right package depends on board space, I/O count requirements, and design constraints:

The FGG1228 package provides the highest pin count in the XC2S200 lineup, offering maximum routing flexibility for complex, high-density PCB designs.

Key Features of the XC2S200-6FGG1228C

#### Second-Generation ASIC Replacement Technology

The Spartan-II family was engineered as a second-generation ASIC replacement. Unlike mask-programmed ASICs, the XC2S200-6FGG1228C can be reprogrammed in the field without any hardware replacement. This dramatically reduces NRE (Non-Recurring Engineering) costs and shortens product development cycles.

#### Streamlined Virtex®-Based Architecture

The Spartan-II architecture is a streamlined derivative of Xilinx’s flagship Virtex FPGA architecture. This heritage brings proven, high-performance logic structures to a cost-optimized platform — making the XC2S200-6FGG1228C suitable for production-volume applications that demand both performance and economy.

#### Unlimited Reprogrammability

The XC2S200-6FGG1228C supports unlimited reprogrammability, allowing engineers to revise and update designs even after devices are deployed in the field. This is a critical advantage over one-time-programmable (OTP) or mask-programmed alternatives.

#### Cost-Effective 0.18 Micron Process

Fabricated using a 0.18 µm process technology, the XC2S200-6FGG1228C achieves high logic density at a low per-gate cost. The compact process node also supports faster switching speeds and lower dynamic power consumption.

#### Boundary Scan Support (IEEE 1149.1 JTAG)

Full IEEE 1149.1 JTAG boundary scan support is built in, enabling in-system testing, configuration, and debugging without physical probing of individual pins.

Supported I/O Standards

The XC2S200-6FGG1228C IOBs support a wide range of industry-standard single-ended and differential signaling levels:

Configuration Modes

The XC2S200-6FGG1228C supports multiple configuration modes for flexible system integration:

• Master Serial — Single device or daisy-chain with Xilinx PROMs
• Slave Serial — Externally controlled serial configuration
• Slave Parallel (SelectMAP) — Fast, byte-wide parallel configuration
• Boundary Scan (JTAG) — IEEE 1149.1 in-circuit configuration and test
• Master Parallel Up/Down — Parallel configuration from external flash or ROM

Typical Applications for XC2S200-6FGG1228C

The XC2S200-6FGG1228C is well-suited for high-volume, cost-sensitive designs that require significant logic resources and a large number of I/O connections:

• Telecommunications infrastructure — Line cards, switching fabrics, protocol processing
• Industrial automation — Motor control, sensor fusion, real-time data acquisition
• Embedded processing — Custom coprocessors, DMA controllers, bus bridges
• Video and imaging — Frame buffering, pixel pipeline processing, image enhancement
• Medical devices — Data acquisition systems, signal conditioning, patient monitoring equipment
• Military and aerospace legacy support — Replacement and upgrade of legacy ASIC-based designs
• Networking equipment — Packet processing, traffic management, interface bridging

For a comprehensive selection of Xilinx programmable logic devices for these and other applications, explore the full range at Xilinx FPGA.

Design Tools and Software Support

The XC2S200-6FGG1228C is supported by Xilinx’s legacy ISE Design Suite. While the newer Vivado Design Suite targets 7-Series and later devices, ISE provides full support for Spartan-II synthesis, implementation, timing analysis, and configuration file generation.

Ordering Information & Part Marking

Xilinx uses a structured ordering code for all Spartan-II devices. The XC2S200-6FGG1228C is decoded as follows:

XC2S200 - 6 - FGG - 1228 - C
  |         |    |      |    |
  |         |    |      |    └── Temperature: C = Commercial (0°C to +85°C)
  |         |    |      └─────── Pin Count: 1,228
  |         |    └────────────── Package: FGG = Pb-Free Fine Pitch BGA
  |         └─────────────────── Speed Grade: -6 (fastest)
  └───────────────────────────── Device: Spartan-II, 200K Gates

Note: The speed grade -6 is exclusively available in the Commercial temperature range. Industrial temperature range variants use speed grade -5 or lower.

Frequently Asked Questions (FAQ)

What is the XC2S200-6FGG1228C used for?

The XC2S200-6FGG1228C is used in embedded systems, telecommunications, industrial control, and digital signal processing applications where a cost-effective, high-density, reprogrammable logic solution is required.

What is the difference between XC2S200-6FGG1228C and XC2S200-6FG256C?

The primary difference is the package. The FGG1228 variant uses a 1,228-ball Pb-free Fine Pitch BGA, offering higher pin access and routing flexibility. The FG256C uses a 256-ball FBGA in a smaller footprint with fewer exposed pins.

Is the XC2S200-6FGG1228C RoHS compliant?

Yes. The “G” in FGG indicates a Pb-free, RoHS-compliant package, making it suitable for modern, environmentally regulated designs.

What voltage does the XC2S200-6FGG1228C operate at?

The core supply voltage (VCCINT) is 2.5V. I/O supply voltage (VCCO) depends on the selected I/O standard and may be 3.3V, 2.5V, or lower depending on the interface.

What software do I use to program the XC2S200-6FGG1228C?

The primary development environment is Xilinx ISE Design Suite. The device is programmed using the iMPACT tool via JTAG or through Xilinx PROM-based configuration.

Can the XC2S200-6FGG1228C be used for new designs?

Xilinx has issued product discontinuation notices for some Spartan-II variants. Engineers should verify current availability and consider newer Xilinx families such as Spartan-6 or Spartan-7 for new designs. The XC2S200-6FGG1228C remains valuable for legacy system maintenance and replacement applications.

Summary: Why Choose the XC2S200-6FGG1228C?

The XC2S200-6FGG1228C represents the peak of the Spartan-II family in terms of logic density and I/O capacity. Its combination of 200K system gates, 284 user I/Os, 56K bits of block RAM, four DLLs, and Pb-free 1,228-ball BGA packaging makes it a compelling choice for engineers maintaining legacy FPGA designs or seeking a proven, field-reprogrammable alternative to ASICs in cost-sensitive, high-volume applications.