AMD XC6SLX100T-3FGG676C

Overview

XC6SLX100T-3FGG676C from AMD (formerly Xilinx) is a Spartan-6 FPGA featuring 101,280 logic cells, 480 I/O pins, and a -3 speed grade supporting 500 MHz system clock operation. It integrates 4,720 Kbits of block RAM, 220 DSP48A1 slices, and operates at 1.2 V core voltage for low-power embedded control and interface bridging applications.

For engineers reviewing the XC6SLX100T-3FGG676C datasheet, pinout, applications, or equivalent options, key selection criteria include I/O count, logic density, speed grade timing closure, and FGG676 package thermal performance in industrial temperature environments.

Technical Context

The XC6SLX100T-3FGG676C implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, and dedicated carry logic for arithmetic functions. It supports SelectIO™ technology with support for LVCMOS, LVTTL, SSTL, HSTL, and differential standards including LVDS and TMDS up to 1.25 Gbps.

Configuration is performed via Master SPI, Slave Serial, or JTAG modes using external PROM or processor-controlled initialization. Built-in Digital Clock Managers (DCMs) provide clock synthesis, phase shifting, and frequency multiplication with ±1% duty cycle accuracy over process, voltage, and temperature.

Key Specifications

Pinout & Package

The XC6SLX100T-3FGG676C is housed in a 676-pin Fine-Pitch Ball Grid Array (FBGA) package with 29 × 29 mm body size, 1.0 mm ball pitch, and Pb-free (RoHS-compliant) finish. Thermal characteristics support industrial ambient operation with appropriate PCB copper pour and airflow.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based interface and control applications.

Compared with XC6SLX100T-3FGG676C, the XC6SLX150T offers headroom for logic growth but increases thermal load, while the XC7S100 reduces board area and static power at the expense of PCIe integration and I/O scalability.

Availability

XC6SLX100T-3FGG676C is available at Aetrix Electronics and suitable for industrial motor control, video interface bridging, communications backplane, and test equipment signal generation requiring stable component supply and long-term lifecycle support.

Supply support for XC6SLX100T-3FGG676C includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

AMD acquired Xilinx in 2022 and now develops adaptive computing platforms including FPGAs, MPSoCs, and ACAPs for data center, AI, and embedded markets.

The Spartan-6 family was designed for cost-sensitive, high-volume applications requiring balanced logic density, I/O flexibility, and industrial-grade reliability - particularly in industrial automation and video infrastructure.

FAQ

What is the maximum operating frequency supported by the XC6SLX100T-3FGG676C?

The XC6SLX100T-3FGG676C has a -3 speed grade, guaranteeing timing closure for system clocks up to 500 MHz under worst-case industrial temperature and voltage conditions. Actual achievable frequency depends on design complexity, routing congestion, and I/O standard selection - verified through post-place-and-route static timing analysis in Vivado or ISE tools. The XC6SLX100T-3FGG676C DCMs support output frequencies up to 550 MHz with proper constraints.

Does the XC6SLX100T-3FGG676C support PCI Express Gen1 x1 endpoints?

Yes, the XC6SLX100T-3FGG676C includes a hard PCIe Gen1 x1 endpoint block compliant with PCI Express Base Specification v1.1. This eliminates the need for soft-core implementations and ensures deterministic latency and full protocol compliance. The XC6SLX100T-3FGG676C requires external PHY and reference clock matching to PCIe specifications for full link training and enumeration.

What configuration modes are supported by the XC6SLX100T-3FGG676C?

The XC6SLX100T-3FGG676C supports Master SPI, Slave Serial, JTAG, and Boundary Scan configuration modes. Master SPI uses internal oscillator to drive external SPI PROM; Slave Serial accepts configuration data from microcontroller or processor. JTAG enables in-system programming and debugging. All modes are accessible via dedicated pins documented in the XC6SLX100T-3FGG676C Configuration User Guide UG380.

Is the XC6SLX100T-3FGG676C RoHS compliant and lead-free?

Yes, the XC6SLX100T-3FGG676C is manufactured with a Pb-free (RoHS-compliant) finish on its 676-ball FBGA package. The solder balls use SnAgCu (SAC305) alloy with a matte tin surface finish. Full compliance documentation, including substance declarations and test reports, is available from AMD's Product Change Notification (PCN) database for the XC6SLX100T-3FGG676C.

What is the block RAM capacity of the XC6SLX100T-3FGG676C and how is it organized?

The XC6SLX100T-3FGG676C contains 4,720 Kbits of total block RAM, implemented as 192 × 18-Kbit dual-port RAM blocks. Each block supports independent read/write operations on two ports with programmable width (1–36 bits) and depth (512–1024 words). This organization enables efficient FIFOs, frame buffers, and coefficient storage in the XC6SLX100T-3FGG676C without external memory.