The XC2S200-6FGG551C is a high-performance field-programmable gate array (FPGA) from AMD’s renowned Spartan-II family. This programmable logic device delivers exceptional value for designers seeking a cost-effective alternative to mask-programmed ASICs. With 200,000 system gates, advanced clock management, and versatile I/O capabilities, the XC2S200-6FGG551C serves as an ideal solution for telecommunications, industrial automation, and embedded system applications.

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Key Features of the XC2S200-6FGG551C Spartan-II FPGA

The XC2S200-6FGG551C integrates powerful programmable logic resources within a compact 551-ball Fine Pitch Ball Grid Array (FBGA) package. This Pb-free (lead-free) configuration ensures compliance with modern environmental standards while maintaining superior performance characteristics.

High-Density Logic Architecture

The XC2S200-6FGG551C offers substantial logic resources that enable complex digital designs:

Advanced Memory Configuration

The XC2S200-6FGG551C features a dual-memory architecture that maximizes design flexibility. The distributed RAM provides 75,264 bits of storage through Look-Up Tables (LUTs) within the Configurable Logic Blocks (CLBs). Additionally, dedicated block RAM columns offer 56 Kbits of synchronous dual-port memory with independent read and write operations.

Each block RAM cell functions as a fully synchronous dual-ported 4096-bit RAM. Furthermore, the data widths of both ports can be configured independently, providing built-in bus width conversion capabilities.

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XC2S200-6FGG551C Technical Specifications

Operating Voltage and Speed Grade

The XC2S200-6FGG551C operates at a 2.5V core voltage, reducing power consumption while maintaining high-speed performance. The “-6” speed grade designation indicates the fastest available timing for this device, supporting system clock rates up to 200 MHz for demanding applications.

Package Information

The “FGG551C” designation indicates:

• FG: Fine Pitch Ball Grid Array
• G: Pb-Free (RoHS Compliant)
• 551: 551 Ball Count
• C: Commercial Temperature Grade

This package configuration provides excellent thermal dissipation and signal integrity for high-density PCB layouts.

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Configurable Logic Block (CLB) Architecture

The XC2S200-6FGG551C utilizes a regular, flexible architecture of Configurable Logic Blocks surrounded by programmable Input/Output Blocks (IOBs). The CLB structure forms the central processing core of this Xilinx FPGA.

Logic Cell Structure

Each CLB contains four logic cells. Every logic cell includes:

• 4-input function generator (LUT)
• Dedicated carry logic for arithmetic operations
• Storage element (flip-flop or latch)
• Multiplexer resources

The function generators implement any arbitrary 4-input Boolean function. Additionally, they can be configured as 16×1-bit synchronous RAM or as 16-bit shift registers.

Fast Carry Logic

The XC2S200-6FGG551C incorporates dedicated carry chains that enable high-speed arithmetic operations. This feature significantly accelerates adders, counters, comparators, and other math-intensive functions critical for DSP applications.

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Four Delay-Locked Loops (DLLs) for Clock Management

Zero-Delay Clock Distribution

The XC2S200-6FGG551C includes four fully digital Delay-Locked Loop (DLL) circuits positioned at each corner of the die. These DLLs eliminate clock distribution delays and minimize clock skew across the device.

DLL Capabilities

Each DLL provides:

• Zero propagation delay clock distribution
• Clock multiplication (2×) and division (1.5×, 2×, 2.5×, 3×, 4×, 5×, 8×, 16×)
• Phase shifting for precise timing control
• Board-level clock deskewing between multiple FPGAs

The DLL can also delay configuration completion until the system clock stabilizes, ensuring reliable device startup in complex systems.

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Versatile Input/Output Block (IOB) Features

Multiple I/O Standards Support

The XC2S200-6FGG551C IOBs support 16 single-ended and differential I/O standards, including:

• LVTTL and LVCMOS (3.3V, 2.5V)
• PCI (33 MHz and 66 MHz)
• GTL and GTL+
• SSTL2 and SSTL3
• HSTL Class I, II, III, IV
• CTT

IOB Architecture

Each IOB contains:

• Programmable input buffer with optional delay
• Three registers for input, output, and 3-state control
• Programmable slew rate control
• Optional pull-up and pull-down resistors
• Weak keeper circuits

The I/O banking architecture divides pins into eight banks, allowing different voltage standards on separate banks for maximum design flexibility.

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XC2S200-6FGG551C Applications

The XC2S200-6FGG551C excels in numerous industrial and commercial applications:

Telecommunications

• Network interface cards
• Protocol converters
• Channel encoding/decoding
• Base station equipment

Industrial Automation

• Motor control systems
• PLC implementations
• Sensor interfaces
• Industrial networking

Consumer Electronics

• Video processing
• Audio signal processing
• Display controllers
• USB and peripheral interfaces

Embedded Systems

• Microcontroller coprocessors
• Custom peripheral implementation
• Hardware acceleration
• Prototyping platforms

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Configuration Options for XC2S200-6FGG551C

The XC2S200-6FGG551C supports multiple configuration modes for design loading:

Serial Configuration

• Master Serial Mode
• Slave Serial Mode
• JTAG/Boundary Scan (IEEE 1149.1)

Parallel Configuration

• SelectMAP (Slave Parallel)
• Master Parallel using external PROM

Configuration data can be stored in Xilinx Platform Flash PROMs or loaded from external processors, enabling in-field upgrades without hardware modifications.

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Development Tools and Software Support

Designers working with the XC2S200-6FGG551C benefit from comprehensive development tool support:

Design Entry

• Schematic capture
• VHDL and Verilog HDL
• IP core integration

Synthesis and Implementation

• Xilinx ISE Design Suite
• Third-party synthesis tools
• Timing-driven place and route

Verification

• Functional simulation
• Timing analysis
• In-system debugging with ChipScope

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Ordering Information for XC2S200-6FGG551C

The part number XC2S200-6FGG551C follows the standard AMD/Xilinx naming convention:

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Why Choose the XC2S200-6FGG551C FPGA?

The XC2S200-6FGG551C delivers compelling advantages over alternative solutions:

Cost-Effective ASIC Alternative

Unlike mask-programmed ASICs, the XC2S200-6FGG551C eliminates non-recurring engineering costs and lengthy development cycles. Design changes can be implemented quickly without expensive mask revisions.

Field Upgradability

The programmable nature of this FPGA enables firmware updates after deployment. Consequently, product improvements, bug fixes, and feature additions can be delivered without hardware replacement.

Reduced Time-to-Market

The XC2S200-6FGG551C accelerates product development through rapid prototyping capabilities. Hardware and firmware development can proceed in parallel, significantly shortening overall project timelines.

Proven Reliability

The Spartan-II family has demonstrated exceptional reliability across millions of deployed units in demanding industrial and commercial applications.

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Conclusion

The XC2S200-6FGG551C represents an excellent choice for designers requiring substantial logic resources, flexible I/O capabilities, and advanced clock management in a cost-effective package. With 200,000 system gates, 5,292 logic cells, and four DLLs, this Spartan-II FPGA delivers the performance and features needed for successful implementation of complex digital systems.

Whether developing telecommunications equipment, industrial control systems, or embedded applications, the XC2S200-6FGG551C provides the programmable logic foundation for innovative product designs.