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Home > FPGA Familis > Spartan-3A DSP FPGA Family > XC3SD1800A-4FG676I

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FPGA Spartan-3A DSP Family 1.8M Gates 37440 Cells 667MHz 90nm Technology 1.2V 676-Pin FBGA

XC3SD1800A-4FG676I FPGAs Overview

The Spartan-3A DSP family of Field-Programmable Gate Arrays (FPGAs) solves the design challenges in most high- volume, cost-sensitive, high-performance DSP applications. The two-member family offers densities ranging from 1.8 to 3.4 million system gates.

The Spartan-3A DSP family builds on the success of the Spartan-3A FPGA family by increasing the amount of memory per logic and adding XtremeDSP DSP48A slices. New features improve system performance and reduce the cost of configuration. These Spartan-3A DSP FPGA enhancements, combined with proven 90 nm process technology, deliver more functionality and bandwidth per dollar than ever before, setting the new standard in the programmable logic and DSP processing industry. The Spartan-3A DSP FPGAs extend and enhance the Spartan-3A FPGA family. The XC3SD1800A-4FG676I and the XC3SD3400A devices are tailored for DSP applications and have additional block RAM and XtremeDSP DSP48A slices. The XtremeDSP DSP48A slices replace the 18x18 multipliers found in the Spartan-3A devices and are based on the DSP48 blocks found in the Virtex-4 devices. The block RAMs are also enhanced to run faster by adding an output register. Both the block RAM and DSP48A slices in the Spartan-3A DSP devices run at 250 MHz in the lowest cost, standard -4 speed grade.

Because of their exceptional DSP price/performance ratio, Spartan-3A DSP FPGAs are ideally suited to a wide range of consumer electronics applications, such as broadband access, home networking, display/projection, and digital television.

The Spartan-3A DSP family is a superior alternative to mask programmed ASICs. FPGAs avoid the high initial cost, lengthy development cycles, and the inherent inflexibility of conventional ASICs. Also, FPGA programmability permits design upgrades in the field with no hardware replacement necessary, an impossibility with ASICs.

The Xilinx FPGAs series XC3SD1800A-4FG676I is Family 1.8M Gates 37440 Cells 667MHz 90nm Technology 1.2V , View Substitutes & Alternatives along with datasheets, stock, pricing from Authorized Distributors at, and you can also search for other FPGAs products.


• Very low cost, high-performance DSP solution for high-volume, cost-conscious applications
• 250 MHz XtremeDSP DSP48A Slices
• Dedicated 18-bit by 18-bit multiplier
• Available pipeline stages for enhanced performance of at least 250 MHz in the standard -4 speed grade
• 48-bit accumulator for multiply-accumulate (MAC) operation
• Integrated adder for complex multiply or multiply-add operation
• Integrated 18-bit pre-adder
• Optional cascaded Multiply or MAC
• Hierarchical SelectRAM memory architecture
• Up to 2268 Kbits of fast block RAM with byte write enables for processor applications
• Up to 373 Kbits of efficient distributed RAM
• Registered outputs on the block RAM with operation of at least 280 MHz in the standard -4 speed grade
• Dual-range VCCAUX supply simplifies 3.3V-only design
• Suspend, Hibernate modes reduce system power
• Low-power option reduces quiescent current
• Multi-voltage, multi-standard SelectIO interface pins
• Up to 519 I/O pins or 227 differential signal pairs
• LVCMOS, LVTTL, HSTL, and SSTL single-ended I/O
• 3.3V, 2.5V, 1.8V, 1.5V, and 1.2V signaling
• Selectable output drive, up to 24 mA per pin
• QUIETIO standard reduces I/O switching noise
• Full 3.3V ± 10% compatibility and hot swap compliance
• 622+ Mb/s data transfer rate per differential I/O
• LVDS, RSDS, mini-LVDS, HSTL/SSTL differential I/O with integrated differential termination resistors
• Enhanced Double Data Rate (DDR) support
• DDR/DDR2 SDRAM support up to 333 Mb/s
• Fully compliant 32-/64-bit, 33/66 MHz PCI support
• Abundant, flexible logic resources
• Densities up to 53712 logic cells, including optional shift register
• Efficient wide multiplexers, wide logic, fast carry logic
• IEEE 1149.1/1532 JTAG programming/debug port
• Eight Digital Clock Managers (DCMs)
• Clock skew elimination (delay locked loop)
• Frequency synthesis, multiplication, division
• High-resolution phase shifting
• Wide frequency range (5 MHz to over 320 MHz)
• Eight low-skew global clock networks, eight additional clocks per half device, plus abundant low-skew routing
• Configuration interface to industry-standard PROMs
• Low-cost, space-saving SPI serial Flash PROM
• x8 or x8/x16 BPI parallel NOR Flash PROM
• Low-cost Xilinx Platform Flash with JTAG
• Unique Device DNA identifier for design authentication
• Load multiple bitstreams under FPGA control
• Post-configuration CRC checking
• MicroBlaze and PicoBlaze embedded processor cores
• BGA and CSP packaging with Pb-free options
• Common footprints support easy density migration
• XA Automotive version available


  • Q: Does the price of XC3SD1800A-4FG676I devices fluctuate frequently?
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  • Q: How can I obtain software development tools related to the Xilinx FPGA platform?
  • In FPGA/CPLD design tools, Xilinx's Vivado Design Suite is easy to use, it is very user-friendly in synthesis and implementation, and it is easier to use than ISE design tools; The specific choice depends on personal habits and functional requirements to specifically select a more suitable match. You can search and download through the FPGA resource channel.
  • Q: Where can I purchase Xilinx XC3SD1800A Development Boards, Evaluation Boards, or Spartan-3A DSP FPGA Starter Kit? also provide technical information?
  • FPGAkey does not provide development board purchase services for the time being, but customers often consult about ZedBoard, Basys 3 board, TinyFPGA BX, Nexys4-DDR, Terasic DE10-Nano, Digilent Arty S7, etc. If you need relevant technical information, you can submit feedback information, our technicians will contact you soon.
  • Q: How to obtain XC3SD1800A-4FG676I technical support documents?
  • Enter the "XC3SD1800A-4FG676I" keyword in the search box of the website, or find these through the Download Channel or FPGA Forum .
  • Q: What should I do if I did not receive the technical support for XC3SD1800A4FG676I in time?
  • Depending on the time difference between your location and our location, it may take several hours for us to reply, please be patient, our FPGA technical engineer will help you with the XC3SD1800A-4FG676I pinout information, replacement, datasheet in pdf, programming tools, starter kit, etc.

Application Field

  • AI

    Artificial Intelligence

  • 5G Technology

    5G Technology

  • Cloud Computing

    Cloud Computing

  • Consumer Electronics

    Consumer Electronics

  • Wireless

    Wireless Technology

  • Industrial Control

    Industrial Control

  • Internet of Things

    Internet of Things

  • Medical Equipment

    Medical Equipment

Technical Attributes

  • Number of LABs/CLBs


  • Number of Logic Elements/Cells


  • Total RAM Bits


  • Number of I/O


  • Number of Gates


  • Voltage - Supply

    1.14V ~ 1.26V

  • Mounting Type

    Surface Mount

  • Operating Temperature

    -40℃ ~ 100℃ (TJ)

  • Package / Case

    676-BBGA, FCBGA

  • Supplier Device Package

    676-FCBGA (27x27)

Technical Documents

Circuit Diagram

Spartan-3A DSP FPGA Family

XC3SD1800A-4FG676I PDF Preview

XC3SD1800A-4FG676I Tags

  • Xilinx XC3SD1800A
  • XC3SD1800A development board
  • Spartan-3A DSP FPGA evaluation kit
  • Xilinx Spartan-3A DSP FPGA development board
  • Spartan-3A DSP FPGA starter kit
  • Spartan-3A DSP FPGA XC3SD1800A
  • XC3SD1800A reference design
  • XC3SD1800A evaluation board
  • XC3SD1800A-4FG676I Datasheet PDF

Other Authorized Distributors (Fpgakey will provide Competitive price from all franchised resource.)

  • BUY
  • avnet
  • XC3SD1800A-4FG676I
  • Xilinx
  • FPGA Spartan-3A DSP Family 1.8M Gates 37440 Cells 667MHz 90nm Technology 1.2V 676-Pin FBGA (Alt: XC3SD1800A-4FG676I)RoHS: Not Compliant
  • 37
  • 40+ $330.9817
    80+ $306.9975
    160+ $259.0292
    240+ $235.045
    320+ $212.9795
    400+ $187.0766
    4000+ $175.5642

  • digikey
  • XC3SD1800A-4FG676I
  • IC FPGA 519 I/O 676FCBGA
  • 0
  • 1+ $124.8800

  • mouser
  • XC3SD1800A-4FG676I
  • Xilinx
  • FPGA - Field Programmable Gate Array XC3SD1800A-4FG676I
  • 37
  • 1+ $149.8600

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