LFE3-35EA
LatticeLatticeECP3The LFE3-35EA is a LatticeECP3 FPGA from Lattice, built on a 65 nm process. It provides 33,000 LUT4 look-up tables, 1.3 Mb of block RAM and 64 18×18 multipliers. It offers up to 310 user I/O pins and 4 SERDES transceivers at up to 3.2 Gb/s. It is available in 3 packages, from the ftBGA256 (17 × 17 mm) to the fpBGA672 (27 × 27 mm). Temperature grades: commercial, industrial, automotive. Designs are built with Lattice Diamond.
Specifications
| Vendor | Lattice |
|---|---|
| Family | LatticeECP3 |
| Series | ECP |
| Process | 65 nm |
| Configuration memory | SRAM |
| Look-up tables (LUT4) | 33,000 |
| Logic block | 4-input look-up table |
| Distributed RAM | 68 Kb |
| Block RAM | 1.3 Mb (72 × 18 Kb) |
| DSP (18×18 multiplier) | 64 |
| Max. user I/O | 310 |
|---|---|
| SERDES transceivers | 4 × 3.2 Gb/s |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Diamond |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| ftBGA256 | 17 × 17 | 1.0 | 133 | 4 |
| fpBGA484 | 23 × 23 | 1.0 | 295 | 4 |
| fpBGA672 | 27 × 27 | 1.0 | 310 | 4 |
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) | — | — |
Alternatives to the LFE3-35EA
Closest matches in other families and vendors by logic, DSP, memory, I/O and transceivers. Check pin compatibility and tools before migrating.
| Device | LUTs | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe | CoreScore |
|---|---|---|---|---|---|---|---|---|
| EP4CGX30Altera Cyclone IV | 29,000 LUT4 | 29K LE | 80 | 1.1 Mb | 290 | 4 XCVR 3.125 Gb/s | Gen2 | — |
| 5CGXC3Altera Cyclone V | 13,460 ALMs | 36K LE | 57 | 1.3 Mb | 208 | 3 XCVR 3.125 Gb/s | Gen1 | — |
| XC6SLX45TAMD Spartan-6 | 27,288 LUT6 | 43.7K LC | 58 | 2 Mb | 296 | 4 GTP 3.2 Gb/s | Gen1 | — |
| XC7A35TAMD Artix-7 | 20,800 LUT6 | 33.3K LC | 90 | 1.8 Mb | 250 | 4 GTP 6.6 Gb/s | Gen2 | 104 arty_a7_35t |
| LFE5UM-45Lattice ECP5 | 44,000 LUT4 | — | 72 | 1.9 Mb | 245 | 4 SERDES 3.2 Gb/s | — | — |
| LFE5UM5G-45Lattice ECP5 | 44,000 LUT4 | — | 72 | 1.9 Mb | 245 | 4 SERDES 5 Gb/s | — | — |
Compare side by side: LFE3-35EA vs EP4CGX30, LFE3-35EA vs 5CGXC3, LFE3-35EA vs XC6SLX45T.
Compare the LFE3-35EA with up to three other FPGAs.
LFE3-35EA quick facts
How many LUTs does the LFE3-35EA have?
The LFE3-35EA has 33,000 LUT4 look-up tables. Logic block: 4-input look-up table.
How many DSP blocks does the LFE3-35EA have?
The LFE3-35EA has 64 18×18 multipliers and 1.3 Mb of block RAM.
Does the LFE3-35EA have transceivers?
Yes, 4 SERDES transceivers at up to 3.2 Gb/s.
What are the alternatives to the LFE3-35EA?
Devices of similar size in other families include EP4CGX30 (Altera Cyclone IV), 5CGXC3 (Altera Cyclone V), XC6SLX45T (AMD Spartan-6).
Which software is used to design with the LFE3-35EA?
Designs for the LFE3-35EA are built with Lattice Diamond.
Other LatticeECP3 devices
| Device | LUTs | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe | CoreScore |
|---|---|---|---|---|---|---|---|---|
| LFE3-17EA | 17,000 LUT4 | — | 24 | 0.7 Mb | 222 | 4 SERDES 3.2 Gb/s | — | — |
| LFE3-35EA | 33,000 LUT4 | — | 64 | 1.3 Mb | 310 | 4 SERDES 3.2 Gb/s | — | — |
| LFE3-70EA | 67,000 LUT4 | — | 128 | 4.3 Mb | 490 | 12 SERDES 3.2 Gb/s | — | — |
| LFE3-95EA | 92,000 LUT4 | — | 128 | 4.3 Mb | 490 | 12 SERDES 3.2 Gb/s | — | — |
| LFE3-150EA | 149,000 LUT4 | — | 320 | 6.7 Mb | 586 | 16 SERDES 3.2 Gb/s | — | — |
Source: Lattice LatticeECP3 product page, Family Table, retrieved 2026-10-26. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.