GW1NRF-4B
GowinLittleBeeThe GW1NRF-4B is a LittleBee SoC FPGA from Gowin, built on a 55 nm process. It provides 4,606 LUT4 look-up tables, 3,456 flip-flops, 0.2 Mb of block RAM and 16 18×18 multipliers. Its processing system includes a single ARC (32-bit) core. The programmable logic offers up to 25 user I/O pins. Designs are built with Gowin EDA.
Specifications
| Vendor | Gowin |
|---|---|
| Family | LittleBee |
| Series | GW1N |
| Process | 55 nm |
| Configuration memory | Embedded flash |
| LUT4-equivalent capacity | 4,606 |
| Look-up tables (LUT4) | 4,606 |
| Flip-flops | 3,456 |
| Block RAM | 0.2 Mb (10 × 18 Kb) |
| User flash memory | 256 Kb |
| DSP (18×18 multiplier) | 16 |
| Max. user I/O | 25 |
|---|---|
| PL transceivers | None |
| PCI Express (PL) | None |
| Analog / monitor | None |
| Hard processor | 1× ARC (32-bit) |
| Design tool | Gowin EDA |
Alternatives to the GW1NRF-4B
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 |
|---|---|---|---|---|---|---|---|
| iCE40UP5KLattice iCE40 UltraPlus | 5.3K 5.3K LUT4 | — | 8 | 0.1 Mb | 39 | — | — |
| 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 | — | — |
| 10CL006Altera Cyclone 10 LP | 6K 6K LUT4 | 6K LE | 15 | 0.3 Mb | 176 | — | — |
| EP4CE6Altera Cyclone IV | 6K 6K LUT4 | 6K LE | 15 | 0.3 Mb | 179 | — | — |
| LFD2NX-9Lattice Certus-NX | 7.5K 7.5K LUT4 | 9K LC | 12 | 0.3 Mb | 77 | — | — |
Compare side by side: GW1NRF-4B vs iCE40UP5K, GW1NRF-4B vs XC7S6, GW1NRF-4B vs T8.
GW1NRF-4B quick facts
How many LUTs does the GW1NRF-4B have?
The GW1NRF-4B has 4,606 LUT4 look-up tables, about 4,606 LUT4 equivalents.
How many DSP blocks does the GW1NRF-4B have?
The GW1NRF-4B has 16 18×18 multipliers and 0.2 Mb of block RAM.
Does the GW1NRF-4B have transceivers?
No, the GW1NRF-4B has no multi-gigabit transceivers. Its user I/O supports up to 25 pins.
Does the GW1NRF-4B have a processor?
Yes. It includes a hard 1× ARC (32-bit) processor.
What are the alternatives to the GW1NRF-4B?
Devices of similar size in other families include iCE40UP5K (Lattice iCE40 UltraPlus), XC7S6 (AMD Spartan-7), T8 (Efinix Trion).
Which software is used to design with the GW1NRF-4B?
Designs for the GW1NRF-4B are built with Gowin EDA.
Other LittleBee devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| GW1NZ-1 | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 48 | — | — |
| GW1N-1P5 | 1.6K 1.6K LUT4 | — | — | 0.1 Mb | 125 | — | — |
| GW1N-2 | 2.3K 2.3K LUT4 | — | — | 0.1 Mb | 125 | — | — |
| GW1NR-2 | 2.3K 2.3K LUT4 | — | — | 0.1 Mb | 126 | — | — |
| GW1NZ-2 | 2.3K 2.3K LUT4 | — | — | 0.1 Mb | 125 | — | — |
| GW1NRF-4B | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 25 | — | — |
| GW1N-4 | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 218 | — | — |
| GW1NR-4 | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 218 | — | — |
| GW1NS-4 | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 106 | — | — |
| GW1NS-4C | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 106 | — | — |
| GW1NSR-4 | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 106 | — | — |
| GW1NSR-4C | 4.6K 4.6K LUT4 | — | 16 | 0.2 Mb | 106 | — | — |
| GW1N-9 | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
| GW1NR-9 | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
Source: Gowin LittleBee product page, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.