LAV-AT-X70
LatticeAvant-XThe LAV-AT-X70 is an Avant-X FPGA from Lattice, built on a 16 nm process. It provides 397,000 LUT4 look-up tables (637,000 logic cells), 35.6 Mb of block RAM and 1,800 18×18 multipliers. It offers up to 554 user I/O pins and 28 SERDES transceivers at up to 25 Gb/s. It is available in 2 packages, from the LFG676 (27 × 27 mm) to the LFG1156 (35 × 35 mm). Temperature grades: commercial, industrial, automotive, d. Designs are built with Lattice Radiant.
Specifications
| Vendor | Lattice |
|---|---|
| Family | Avant-X |
| Series | Avant |
| Process | 16 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | 397,000 |
| Look-up tables (LUT4) | 397,000 |
| Logic cells | 637,000 |
| Distributed RAM | 4,140 Kb |
| Block RAM | 35.6 Mb (990 × 36 Kb) |
| DSP (18×18 multiplier) | 1,800 |
| Max. user I/O | 554 |
|---|---|
| SERDES transceivers | 28 × 25 Gb/s |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Radiant |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| LFG676 | 27 × 27 | 1.0 | 298 | 16 |
| LFG1156 | 35 × 35 | 1.0 | 554 | 28 |
Package names are shown as in the selection guide; the full ordering code adds speed grade and temperature (see the data sheet).
Speed and temperature grades
| Temperature grade | Junction range | Speed grades |
|---|---|---|
| Commercial (C) | 0 to 85 °C | — |
| Industrial (I) | −40 to 100 °C | — |
| Automotive (A) | — | — |
| D (D) | — | — |
Alternatives to the LAV-AT-X70
Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LAV-AT-G70Lattice Avant-G | 397K 397K LUT4 | 637K LC | 1,800 | 35.6 Mb | 554 | 28 SERDES 12.5 Gb/s | — |
| XC2KU050PAMD Kintex UltraScale+ Gen 2 | 360K 225K LUT6 | 491K SLC | 1,872 | 17.7 Mb | 516 | 24 GTY 32.75 Gb/s | Gen4 |
| XC7K480TAMD Kintex-7 | 478K 299K LUT6 | 478K LC | 1,920 | 33.6 Mb | 400 | 32 GTX 12.5 Gb/s | Gen2 |
| XC7K420TAMD Kintex-7 | 417K 261K LUT6 | 417K LC | 1,680 | 29.4 Mb | 400 | 32 GTX 12.5 Gb/s | Gen2 |
| MPF500TMicrochip PolarFire | 481K 481K LUT4 | 481K LE | 1,480 | 29.7 Mb | 584 | 24 SERDES 12.7 Gb/s | Gen2 |
| 10AX057Altera Arria 10 | 434K 217K ALMs | 747K LE | 1,523 | 35.2 Mb | 696 | 48 XCVR 17.4 Gb/s | Gen3 |
Compare side by side: LAV-AT-X70 vs LAV-AT-G70, LAV-AT-X70 vs XC2KU050P, LAV-AT-X70 vs XC7K480T, LAV-AT-X70 vs XC7K420T, LAV-AT-X70 vs MPF500T.
LAV-AT-X70 quick facts
How many LUTs does the LAV-AT-X70 have?
The LAV-AT-X70 has 397,000 LUT4 look-up tables, about 397,000 LUT4 equivalents (637,000 logic cells as published by Lattice).
How many DSP blocks does the LAV-AT-X70 have?
The LAV-AT-X70 has 1,800 18×18 multipliers and 35.6 Mb of block RAM.
Does the LAV-AT-X70 have transceivers?
Yes, 28 SERDES transceivers at up to 25 Gb/s.
What are the alternatives to the LAV-AT-X70?
Devices of similar size in other families include LAV-AT-G70 (Lattice Avant-G), XC2KU050P (AMD Kintex UltraScale+ Gen 2), XC7K480T (AMD Kintex-7).
Which software is used to design with the LAV-AT-X70?
Designs for the LAV-AT-X70 are built with Lattice Radiant.
Other Avant-X devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LAV-AT-X30 | 163K 163K LUT4 | 262K LC | 700 | 14.4 Mb | 298 | 12 SERDES 25 Gb/s | — |
| LAV-AT-X50 | 255K 255K LUT4 | 409K LC | 1,120 | 22.7 Mb | 298 | 16 SERDES 25 Gb/s | — |
| LAV-AT-X70 | 397K 397K LUT4 | 637K LC | 1,800 | 35.6 Mb | 554 | 28 SERDES 25 Gb/s | — |
Source: Lattice Avant-X product page, Family Table, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.