Introduction to the XC7VX485T-2FFG1157C FPGA

The XC7VX485T-2FFG1157C is a high-performance field-programmable gate array (FPGA) from the AMD Virtex-7 XT family, originally branded by Xilinx. Built on advanced 28nm high-k metal gate (HKMG) process technology, this device packs 485,760 logic cells, high-speed GTH transceivers, and a rich DSP array into a compact 1157-ball flip-chip BGA package. Engineers choose it for wired communications, ASIC prototyping, radar, and high-throughput DSP applications where board real estate is tight but performance demands remain high.

What Sets the XC7VX485T-2FFG1157C Apart?

Among the XC7VX485T variants, the FFG1157 package is the smallest option, making it the preferred choice for compact line cards and embedded systems. It retains the same silicon die as its larger FCBGA-1761 and FCBGA-1930 siblings, but with fewer exposed I/Os and transceivers. The “-2” speed grade provides mid-tier performance, and the “C” suffix indicates a commercial temperature range of 0°C to 85°C (junction).

Key Features at a Glance

• 28nm HKMG HPL process delivering up to 50% lower power than prior generations
• DSP48E1 slices with 25×18 multiplier, 48-bit accumulator, and pre-adder
• GTH transceivers running up to 13.1 Gb/s for SerDes-heavy protocols
• Integrated PCIe hard IP (x8 Gen 2 support)
• 256-bit AES bitstream encryption with HMAC/SHA-256 authentication
• Built-in SEU detection and correction for mission-critical designs

XC7VX485T-2FFG1157C Technical Specifications

Logic, Memory, and DSP Resources

I/O, Transceivers, and Interfaces

Package and Environmental Data

Typical Applications of the XC7VX485T-2FFG1157C

The device serves a wide range of high-bandwidth, logic-heavy designs:

• Wired communications — 10G/40G Ethernet switching and OTN equipment
• Aerospace and defense — portable radar, electronic warfare, secure comms
• Test and measurement — oscilloscopes, logic analyzers, ASIC emulators
• Broadcast and video — 4K/8K image processing and professional cameras
• Medical imaging — MRI, CT, and ultrasound signal front-ends

Design Tools and Development Support

The XC7VX485T-2FFG1157C is fully supported by the AMD Vivado Design Suite, which manages synthesis, implementation, timing closure, and secure bitstream generation for all 7 Series devices. Engineers also benefit from a mature ecosystem of free AXI IP cores, reference designs, and board-level constraint files. Typical companion components include DDR3 memory, QSPI configuration flash, and GTH-capable connectors for PCIe or backplane interconnects.

Sourcing the XC7VX485T-2FFG1157C

Because Virtex-7 devices support long-lifecycle programs, counterfeit risk is a genuine concern for procurement teams. Always buy from authorized distributors or established stocking partners offering full traceability, X-ray inspection, and verified date codes. For bulk orders, engineering samples, or obsolete date-code matching, you can check live inventory from a trusted Xilinx FPGA supplier that specializes in AMD programmable logic devices.

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