AMD XC7K70T-1FBG484I

Overview

XC7K70T-1FBG484I from AMD is a Kintex-7 FPGA with 69,230 logic cells, 350 I/O pins, and -1 speed grade operating at junction temperatures up to 100°C. It integrates 285 DSP slices, 4.2 MB of block RAM, and supports PCIe Gen2 x8, DDR3-1866, and 6.6 Gb/s transceivers. It is used in high-performance industrial imaging and real-time signal processing systems.

For engineers reviewing the XC7K70T-1FBG484I datasheet, pinout, applications, or equivalent options, key selection criteria include I/O count, transceiver data rate, block RAM depth, DSP slice availability, and thermal performance under sustained logic utilization.

Technical Context

The XC7K70T-1FBG484I implements a 28 nm HKMG process-based architecture with configurable logic blocks (CLBs), dedicated carry chains, and integrated clock management tiles (CMTs) containing MMCM and PLL blocks. It supports multi-voltage I/O banks (1.2 V to 3.3 V) and includes SelectIO™ technology for source-synchronous interfaces.

Its transceiver subsystem comprises 8 GTP transceivers each capable of 6.6 Gb/s operation, compliant with PCIe Gen2, SATA, and CPRI standards. The device uses configuration via dual BPI or SPIx4 interface with AES decryption and HMAC authentication support.

Key Specifications

Pinout & Package

XC7K70T-1FBG484I is housed in a 484-ball fine-pitch BGA (FBG484) package with 23 mm × 23 mm footprint, 1.0 mm ball pitch, and thermal pad on underside for enhanced heat dissipation. Pin functions are organized into I/O banks, configuration banks, power/ground balls, and dedicated transceiver lanes.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC7K70T-1FBG484I, XCKU035-1FBVA676I delivers higher transceiver speed and logic capacity but increases board area and thermal load, while XC7K325T-1FBG676I offers greater resource headroom within the same 28 nm node but requires PCB redesign due to larger package and different pinout.

Availability

XC7K70T-1FBG484I is available at Aetrix Electronics and suitable for industrial machine vision, medical imaging acceleration, and avionics data concentrator applications requiring stable component supply across extended product lifecycles.

Supply support for XC7K70T-1FBG484I 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 technologies, with leadership in FPGA, GPU, and CPU design.

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

FAQ

What is the maximum supported DDR3 data rate for XC7K70T-1FBG484I?

The XC7K70T-1FBG484I supports DDR3-1866 (933 MHz clock, 1.866 Gbps per pin) using its integrated Memory Interface Generator (MIG) core. This requires proper PCB layout adherence to Xilinx UG586 guidelines, including matched trace lengths and controlled impedance routing. The -1 speed grade guarantees timing closure at this rate under worst-case voltage and temperature conditions.

Does XC7K70T-1FBG484I include built-in security features for bitstream protection?

Yes, XC7K70T-1FBG484I includes AES-256 encryption and HMAC-SHA-256 authentication for configuration bitstreams. These features prevent unauthorized readback or modification and are enforced during every configuration cycle. Key storage uses battery-backed RAM or eFUSE options, and the security flow is implemented in Vivado Design Suite v2018.3 and later.

Can XC7K70T-1FBG484I operate as a PCIe Gen2 endpoint without external bridge logic?

Yes, XC7K70T-1FBG484I contains a hard PCIe Gen2 x8 endpoint block compliant with PCI Express Base Specification v2.1. It handles link training, transaction layer packet (TLP) generation, and error reporting autonomously. No external bridge IC is needed, though system-level software drivers and root complex compatibility must be validated separately.

What thermal management guidance applies to XC7K70T-1FBG484I in continuous operation?

XC7K70T-1FBG484I is rated for 100°C maximum junction temperature. For continuous operation, a thermal solution must maintain θ_JA ≤ 22°C/W under typical 60% logic utilization and 200 MHz clocking. Recommended practices include 4-layer PCB with internal ground/power planes, thermal vias under the package's center thermal pad, and forced-air cooling above 3 W total power dissipation.

Is XC7K70T-1FBG484I compatible with Vivado Design Suite version 2022.1?

Yes, XC7K70T-1FBG484I is fully supported in Vivado Design Suite v2022.1, including synthesis, implementation, simulation, and bitstream generation. Device-specific IP cores (e.g., PCIe, DDR3, GTPE2) are included in the installation, and the part appears in the device selection list under Kintex-7 > XC7K70T. Legacy ISE tools are no longer recommended for new designs.