LIFCL-33U
LatticeCrossLink-NXThe LIFCL-33U is a CrossLink-NX FPGA from Lattice, built on a 28 nm process. It provides 27,500 LUT4 look-up tables (33,000 logic cells), 1.1 Mb of block RAM plus 2.5 Mb of LRAM and 64 18×18 multipliers. It offers up to 52 user I/O pins. It is available in 2 packages, from the WLCSP84 (3.1 × 7.4 mm) to the fcCSP104 (5.5 × 8.5 mm). Temperature grades: commercial, industrial. Designs are built with Lattice Radiant.
Specifications
| Vendor | Lattice |
|---|---|
| Family | CrossLink-NX |
| Series | Nexus |
| Process | 28 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | 27,500 |
| Look-up tables (LUT4) | 27,500 |
| LUT note | Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices) |
| Logic cells | 33,000 |
| Block RAM | 1.1 Mb |
| LRAM | 2.5 Mb |
| DSP (18×18 multiplier) | 64 |
| Max. user I/O | 52 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Radiant |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| WLCSP84 | 3.1 × 7.4 | 0.5 | 44 | — |
| fcCSP104 | 5.5 × 8.5 | 0.65 | 52 | — |
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 LIFCL-33U
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 |
|---|---|---|---|---|---|---|---|
| XC7S25AMD Spartan-7 | 23.4K 14.6K LUT6 | 23.4K LC | 80 | 1.6 Mb | 150 | — | — |
| 5CEA4Altera Cyclone V | 37K 18.5K ALMs | 49K LE | 66 | 3 Mb | 224 | — | — |
| LFD2NX-40Lattice Certus-NX | 32.5K 32.5K LUT4 | 39K LC | 56 | 1.5 Mb | 191 | 1 SERDES 5 Gb/s | Gen2 |
| GW3A-20Gowin Arora III | 23K 23K LUT4 | — | 52 | 2.1 Mb | 238 | — | — |
| Ti35Efinix Titanium | 35.5K 35.5K LUT4 | 36.2K LE | 93 | 1.5 Mb | 169 | — | — |
| LFD2NX-28Lattice Certus-NX | 23.3K 23.3K LUT4 | 28K LC | 40 | 1 Mb | 191 | 1 SERDES 5 Gb/s | Gen2 |
Compare side by side: LIFCL-33U vs XC7S25, LIFCL-33U vs 5CEA4, LIFCL-33U vs LFD2NX-40.
LIFCL-33U quick facts
How many LUTs does the LIFCL-33U have?
The LIFCL-33U has 27,500 LUT4 look-up tables, about 27,500 LUT4 equivalents (33,000 logic cells as published by Lattice).
How many DSP blocks does the LIFCL-33U have?
The LIFCL-33U has 64 18×18 multipliers and 1.1 Mb of block RAM plus 2.5 Mb of LRAM.
Does the LIFCL-33U have transceivers?
No, the LIFCL-33U has no multi-gigabit transceivers. Its user I/O supports up to 52 pins.
What are the alternatives to the LIFCL-33U?
Devices of similar size in other families include XC7S25 (AMD Spartan-7), 5CEA4 (Altera Cyclone V), LFD2NX-40 (Lattice Certus-NX).
Which software is used to design with the LIFCL-33U?
Designs for the LIFCL-33U are built with Lattice Radiant.
Other CrossLink-NX devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LIFCL-17 | 14.2K 14.2K LUT4 | 17K LC | 24 | 0.4 Mb | 77 | — | — |
| LIFCL-33 | 27.5K 27.5K LUT4 | 33K LC | 64 | 1.1 Mb | 60 | — | — |
| LIFCL-33U | 27.5K 27.5K LUT4 | 33K LC | 64 | 1.1 Mb | 52 | — | — |
| LIFCL-40 | 32.5K 32.5K LUT4 | 39K LC | 56 | 1.5 Mb | 191 | — | Gen2 |
Source: Lattice CrossLink-NX 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.