Where to Find Virtex-5 LX FPGAs in 2026 (XC5VLX30 / 50 / 155 / 330 Stock Guide)

If you’re searching for parts like XC5VLX50-1FFG676I or XC5VLX330-2FFG1760C, chances are you’re not building something new — you’re trying to keep an existing system running.

And that’s exactly why these parts are still in demand.

The Virtex-5 LX series from Xilinx (now AMD) may be considered legacy, but in real-world projects, they’re far from “obsolete.”

⚠️ First, the reality (before you waste time)

Let’s be straight:

These parts are not consistently available
Prices fluctuate a lot
Some listings online are outdated or not real stock

👉 If you need any of the following, don’t assume it’s available tomorrow

Current high-search models
XC5VLX155-1FFG1153C
XC5VLX155-2FFG1153C
XC5VLX30-1FFG324I / -2FFG324I
XC5VLX30-1FFG324C / -2FFG324C
XC5VLX50-1FFG676I / -2FFG676I
XC5VLX50-1FFG676C / -2FFG676C
XC5VLX50-1FFG1153I / -2FFG1153I
XC5VLX50-1FFG1153C / -2FFG1153C
XC5VLX50T-1FFG1136I / -2FFG1136I
XC5VLX330-1FFG1760I / -2FFG1760I
XC5VLX330-1FFG1760C / -2FFG1760C

👉 Some of these move within days, not weeks

Why people are still buying these (honest answer)

Most buyers we talk to fall into one of these:

1. Maintenance / repair

A board fails, and the only option is replacing the exact FPGA.

2. No redesign budget

Switching to a newer FPGA = PCB + firmware + validation
→ expensive and slow

3. Certified systems

Especially in industrial / telecom — redesign is not even allowed.

🔁 Can you use an alternative? (sometimes yes, sometimes no)

This is the question everyone asks.

✅ Easy substitutions (same family)
XC5VLX30-1 ↔ XC5VLX30-2
XC5VLX50-1 ↔ XC5VLX50-2
XC5VLX155-1 ↔ XC5VLX155-2
XC5VLX330-1 ↔ XC5VLX330-2

👉 Usually OK if your timing margin allows

⚠️ Upgrade path (needs checking)
XC5VLX30 → XC5VLX50
XC5VLX50 → XC5VLX155
XC5VLX155 → XC5VLX330

👉 Works if:

pin-compatible (very important)
power + thermal OK
design margin exists
❌ Not directly replaceable
XC5VLX50 vs XC5VLX50T

Need XC5VLX Series Now?

At LXB Chip, we support global sourcing for:

• XC5VLX30
• XC5VLX50 / LX50T
• XC5VLX155
• XC5VLX330

Send your RFQ today and check real-time availability before stock moves.