AMD XC7A100T-2FG484C

Overview

XC7A100T-2FG484C from AMD (formerly Xilinx) is a Kintex-7 FPGA featuring 101,440 logic cells, 13,312 Kbits of block RAM, 240 DSP slices, and 484-pin Fine-Pitch Ball Grid Array (FBGA) packaging. It operates at -2 speed grade with 1.0V core voltage and supports high-speed serial transceivers up to 6.6 Gb/s, targeting mid-range reconfigurable computing and embedded vision systems.

For engineers reviewing the XC7A100T-2FG484C datasheet, pinout, applications, or equivalent options, key selection criteria include I/O count (300 user I/Os), transceiver lane count (8 GT lanes), thermal design power (11.5 W typical), and compatibility with Vivado Design Suite v2023.1+ for synthesis and implementation.

Technical Context

The XC7A100T-2FG484C implements a 28 nm HKMG process-based architecture with configurable logic blocks (CLBs), dedicated carry chains, and integrated clock management tiles (CMTs) containing PLLs and MMCMs. It supports SelectIO standards including LVDS, SSTL, HSTL, and MIPI D-PHY at up to 1.25 Gb/s per differential pair.

Its transceiver subsystem includes 8 GTP transceiver quads supporting protocols such as PCIe Gen2 x4, SATA, and CPRI. Configuration is performed via JTAG, Master SPI, or Slave SelectMAP modes using external flash or processor-controlled interfaces.

Key Specifications

Pinout & Package

XC7A100T-2FG484C is housed in a 484-ball Fine-Pitch BGA (FG484) package with 1.0 mm ball pitch, 23×23 array, and thermal pad. Package dimensions are 23 mm × 23 mm × 1.57 mm (height), compliant with JEDEC MO-251.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based reconfigurable logic applications.

Compared with XC7A100T-2FG484C, the -1 variant trades performance for cost and power efficiency, while the XCKU035 offers architectural scalability but demands new toolchain validation and PCB redesign due to different package and voltage requirements.

Availability

XC7A100T-2FG484C is available at Aetrix Electronics and suitable for industrial machine vision, medical imaging front-end, and 5G small cell baseband applications requiring stable component supply across multi-year production cycles.

Supply support for XC7A100T-2FG484C 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, adaptive SoCs, and AI engines for data center, embedded, and edge applications.

The Kintex-7 family, including XC7A100T-2FG484C, was designed for balanced performance, power, and cost in high-throughput signal processing and reconfigurable I/O-intensive systems.

FAQ

What is the maximum supported transceiver data rate for XC7A100T-2FG484C?

The XC7A100T-2FG484C supports GTP transceivers with a maximum line rate of 6.6 Gb/s. This rate is validated across process, voltage, and temperature corners for the -2 speed grade. Applications such as JESD204B subclass 1 and CPRI Option 3 rely on this capability. The XC7A100T-2FG484C does not support GTY or higher-speed transceiver types found in UltraScale devices.

Does XC7A100T-2FG484C support partial reconfiguration?

Yes, XC7A100T-2FG484C supports partial reconfiguration through Vivado Design Suite using the Reconfigurable Module (RM) flow. This allows dynamic swapping of logic modules without resetting the entire device. The feature is enabled by the underlying 7-series configuration architecture and verified in Xilinx UG908. XC7A100T-2FG484C requires specific constraints and checkpoint-based implementation to ensure safe module isolation.

What configuration modes are supported by XC7A100T-2FG484C?

XC7A100T-2FG484C supports three primary configuration modes: JTAG for debugging and programming, Master SPI for single-flash boot, and Slave SelectMAP for processor-controlled parallel loading. Mode selection is determined by M0–M2 pin states at power-on reset. All modes are electrically and functionally supported per Xilinx DS182, and the XC7A100T-2FG484C implements full configuration logic for each.

Is XC7A100T-2FG484C compatible with Vivado 2023.1?

Yes, XC7A100T-2FG484C is fully supported in Vivado Design Suite 2023.1 for synthesis, implementation, simulation, and bitstream generation. Device files, IP integrator catalogs, and hardware manager drivers are included. Earlier versions (2021.2+) also support XC7A100T-2FG484C, but 2023.1 adds updated timing models and security patches aligned with AMD's post-acquisition toolchain roadmap.

What is the thermal pad requirement for XC7A100T-2FG484C's FG484 package?

The XC7A100T-2FG484C FG484 package includes an exposed thermal pad on the underside, which must be soldered to a solid copper thermal plane on the PCB for effective heat dissipation. Xilinx UG475 specifies minimum pad size (16 mm × 16 mm), solder paste stencil aperture (80% coverage), and thermal via count (≥25 vias, 0.3 mm diameter, filled or capped). Failure to implement this reduces thermal performance and risks junction temperature exceedance under 11.5 W TDP conditions.