AMD XC7K420T-3FFG901E

Overview

XC7K420T-3FFG901E from AMD is a high-performance Kintex-7 FPGA with 419,400 logic cells, 2,080 DSP slices, 28.5 Mb of block RAM, 32 GTX transceivers supporting up to 12.5 Gb/s, and rated for -3 speed grade in the FFG901 package. It serves as a reconfigurable system-on-chip in high-bandwidth data processing and real-time signal conditioning applications.

For engineers reviewing the XC7K420T-3FFG901E datasheet, pinout, applications, or equivalent options, key selection criteria include transceiver lane count and speed, logic cell density, I/O voltage support (1.2 V to 3.3 V), thermal performance in FFG901 packaging, and compatibility with Vivado Design Suite v2023.1+.

Technical Context

The XC7K420T-3FFG901E implements a 28 nm HKMG process architecture with configurable logic blocks (CLBs), distributed RAM, shift registers, and dedicated carry chains. It supports SelectIO interfaces with programmable drive strength, slew rate, and on-die termination across 500 user I/O pins.

Its clocking subsystem includes 24 clock management tiles (CMTs), each containing a mixed-mode clock manager (MMCM) and phase-locked loop (PLL), enabling precise jitter filtering, frequency synthesis, and phase alignment for multi-clock domain designs.

Key Specifications

Pinout & Package

The XC7K420T-3FFG901E is housed in a 901-pin flip-chip BGA (FFG901) package with thermal lid, designed for high-power FPGA operation and thermal reliability in industrial environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based acceleration and signal processing applications.

Compared with XC7K420T-3FFG901E, XCKU060-2FFVA1156I delivers higher throughput but requires PCB redesign and toolchain upgrade, while XC7K325T-2FFG901I offers drop-in compatibility with reduced resource headroom and relaxed timing margins.

Availability

XC7K420T-3FFG901E is available at Aetrix Electronics and suitable for radar signal processing, high-speed data acquisition, and PCIe Gen3 endpoint acceleration requiring stable component supply across extended product lifecycles.

Supply support for XC7K420T-3FFG901E 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 is a global semiconductor company specializing in adaptive computing, graphics, and AI acceleration technologies for data centers, embedded systems, and edge devices.

The Kintex-7 FPGA family targets high-performance, cost-optimized applications including wired communications, video processing, and test equipment where balanced logic, DSP, and I/O resources are critical.

FAQ

What is the maximum supported transceiver data rate for XC7K420T-3FFG901E?

The XC7K420T-3FFG901E supports GTX transceivers with a maximum data rate of 12.5 Gb/s. This rating is guaranteed under industrial temperature conditions (-40°C to +100°C) and applies to all 32 GTX lanes. The -3 speed grade ensures timing closure for 12.5 Gb/s operation with standard reference clocks and typical PCB interconnect loss profiles.

Does XC7K420T-3FFG901E support partial reconfiguration?

Yes, XC7K420T-3FFG901E fully supports partial reconfiguration through Vivado Design Suite. This capability allows runtime swapping of functional modules without resetting the entire device. Implementation requires proper floorplanning, checkpoint-based flow, and use of supported configuration interfaces such as ICAP or PCIe.

What I/O standards are supported by XC7K420T-3FFG901E?

XC7K420T-3FFG901E supports LVCMOS, LVTTL, SSTL, HSTL, differential LVDS, BLVDS, RSDS, and TMDS across its 500 user I/O pins. Each I/O bank operates independently with selectable VCCO (1.2 V to 3.3 V), enabling mixed-voltage interface designs. On-die termination and programmable drive strength are configurable per pin.

Is XC7K420T-3FFG901E compatible with Vivado 2023.1?

Yes, XC7K420T-3FFG901E is fully supported in Vivado Design Suite 2023.1 for synthesis, implementation, simulation, and bitstream generation. AMD maintains backward compatibility for Kintex-7 devices across Vivado versions from 2013.4 onward, ensuring consistent toolchain access for long-term maintenance.

What is the thermal design power (TDP) range for XC7K420T-3FFG901E?

The XC7K420T-3FFG901E has a typical thermal design power (TDP) range of 12.5 W to 28.3 W depending on configuration, clock frequency, and I/O activity. Power estimation must be performed using Xilinx XPE (Xilinx Power Estimator) with actual design netlist and constraints. The FFG901 package includes a thermal lid to improve heat transfer to the heatsink.