iCE40UP5K
LatticeiCE40 UltraPlusThe iCE40UP5K is a iCE40 UltraPlus FPGA from Lattice, built on a 40 nm process. It provides 5,280 LUT4 look-up tables, 0.1 Mb of block RAM plus 1 Mb of SPRAM and 8 16×16 MAC blocks. It offers up to 39 user I/O pins. It is available in 2 packages, from the WLCSP30 (2.15 × 2.55 mm) to the QFN48 (7 × 7 mm). Designs are built with Lattice Radiant.
Specifications
| Vendor | Lattice |
|---|---|
| Family | iCE40 UltraPlus |
| Series | iCE40 |
| Process | 40 nm |
| Configuration memory | NVCM |
| LUT4-equivalent capacity | 5,280 |
| Look-up tables (LUT4) | 5,280 |
| Block RAM | 0.1 Mb |
| SPRAM | 1 Mb |
| DSP (16×16 MAC) | 8 |
| Max. user I/O | 39 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Radiant |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| WLCSP30 | 2.15 × 2.55 | 0.4 | 21 | — |
| QFN48 | 7 × 7 | 0.5 | 39 | — |
Package names are shown as in the selection guide; the full ordering code adds speed grade and temperature (see the data sheet).
Alternatives to the iCE40UP5K
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 |
|---|---|---|---|---|---|---|---|
| LFD2NX-9Lattice Certus-NX | 7.5K 7.5K LUT4 | 9K LC | 12 | 0.3 Mb | 77 | — | — |
| XC7S6AMD Spartan-7 | 6K 3.8K LUT6 | 6K LC | 10 | 0.2 Mb | 100 | — | — |
| T8Efinix Trion | ≈7.4K 7.4K LEs | 7.4K LE | 8 | 0.1 Mb | 97 | — | — |
| T4Efinix Trion | ≈3.9K 3.9K LEs | 3.9K LE | 4 | 0.1 Mb | 55 | — | — |
| iCE5LP4KLattice iCE40 Ultra | 3.5K 3.5K LUT4 | — | 4 | 0.1 Mb | 39 | — | — |
| GW1NS-4Gowin LittleBee | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 106 | — | — |
Compare side by side: iCE40UP5K vs LFD2NX-9, iCE40UP5K vs XC7S6, iCE40UP5K vs T8, iCE40UP5K vs iCE5LP4K.
iCE40UP5K quick facts
How many LUTs does the iCE40UP5K have?
The iCE40UP5K has 5,280 LUT4 look-up tables, about 5,280 LUT4 equivalents.
How many DSP blocks does the iCE40UP5K have?
The iCE40UP5K has 8 16×16 MAC blocks and 0.1 Mb of block RAM plus 1 Mb of SPRAM.
Does the iCE40UP5K have transceivers?
No, the iCE40UP5K has no multi-gigabit transceivers. Its user I/O supports up to 39 pins.
What are the alternatives to the iCE40UP5K?
Devices of similar size in other families include LFD2NX-9 (Lattice Certus-NX), XC7S6 (AMD Spartan-7), T8 (Efinix Trion).
Which software is used to design with the iCE40UP5K?
Designs for the iCE40UP5K are built with Lattice Radiant.
Other iCE40 UltraPlus devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| iCE40UP3K | 2.8K 2.8K LUT4 | — | 4 | 0.1 Mb | 21 | — | — |
| iCE40UP5K | 5.3K 5.3K LUT4 | — | 8 | 0.1 Mb | 39 | — | — |
Source: Lattice iCE40 UltraPlus 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.