LFE3-70EA
LatticeLatticeECP3The LFE3-70EA is a LatticeECP3 FPGA from Lattice, built on a 65 nm process. It provides 67,000 LUT4 look-up tables, 4.3 Mb of block RAM and 128 18×18 multipliers. It offers up to 490 user I/O pins and 12 SERDES transceivers at up to 3.2 Gb/s. It is available in 3 packages, from the fpBGA484 (23 × 23 mm) to the fpBGA1156 (35 × 35 mm). Temperature grades: commercial, industrial. Designs are built with Lattice Diamond.
Specifications
| Vendor | Lattice |
|---|---|
| Family | LatticeECP3 |
| Series | ECP |
| Process | 65 nm |
| Configuration memory | SRAM |
| Look-up tables (LUT4) | 67,000 |
| Logic block | 4-input look-up table |
| Distributed RAM | 145 Kb |
| Block RAM | 4.3 Mb (240 × 18 Kb) |
| DSP (18×18 multiplier) | 128 |
| Max. user I/O | 490 |
|---|---|
| SERDES transceivers | 12 × 3.2 Gb/s |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Diamond |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| fpBGA484 | 23 × 23 | 1.0 | 295 | 4 |
| fpBGA672 | 27 × 27 | 1.0 | 380 | 8 |
| fpBGA1156 | 35 × 35 | 1.0 | 490 | 12 |
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 | — |
Alternatives to the LFE3-70EA
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 |
|---|---|---|---|---|---|---|---|---|
| XC6SLX75TAMD Spartan-6 | 46,648 LUT6 | 74.6K LC | 132 | 3 Mb | 348 | 8 GTP 3.2 Gb/s | Gen1 | — |
| 5CGXC5Altera Cyclone V | 29,080 ALMs | 77K LE | 150 | 4.4 Mb | 336 | 6 XCVR 3.125 Gb/s | Gen1 | — |
| 5CGTD5Altera Cyclone V | 29,080 ALMs | 77K LE | 150 | 4.4 Mb | 336 | 6 XCVR 6.144 Gb/s | Gen2 | — |
| XC7A75TAMD Artix-7 | 47,200 LUT6 | 75.5K LC | 180 | 3.7 Mb | 300 | 8 GTP 6.6 Gb/s | Gen2 | — |
| EP4CGX75Altera Cyclone IV | 74,000 LUT4 | 74K LE | 198 | 4.1 Mb | 310 | 8 XCVR 3.125 Gb/s | Gen2 | — |
| 10CX105Altera Cyclone 10 GX | 38,000 ALMs | 104K LE | 125 | 7.5 Mb | 284 | 12 XCVR 12.5 Gb/s | Gen2 | — |
Compare side by side: LFE3-70EA vs XC6SLX75T, LFE3-70EA vs 5CGXC5, LFE3-70EA vs 5CGTD5.
Compare the LFE3-70EA with up to three other FPGAs.
LFE3-70EA quick facts
How many LUTs does the LFE3-70EA have?
The LFE3-70EA has 67,000 LUT4 look-up tables. Logic block: 4-input look-up table.
How many DSP blocks does the LFE3-70EA have?
The LFE3-70EA has 128 18×18 multipliers and 4.3 Mb of block RAM.
Does the LFE3-70EA have transceivers?
Yes, 12 SERDES transceivers at up to 3.2 Gb/s.
What are the alternatives to the LFE3-70EA?
Devices of similar size in other families include XC6SLX75T (AMD Spartan-6), 5CGXC5 (Altera Cyclone V), 5CGTD5 (Altera Cyclone V).
Which software is used to design with the LFE3-70EA?
Designs for the LFE3-70EA 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.