GW1NR-2
GowinLittleBeeThe GW1NR-2 is a LittleBee FPGA from Gowin, built on a 55 nm process. It provides 2,304 LUT4 look-up tables, 2,304 flip-flops, 0.1 Mb of block RAM, with no hard multipliers. It offers up to 126 user I/O pins. It is available in 3 packages, from the MG49P (3.8 × 3.8 mm) to the MG49G (3.8 × 3.8 mm). Designs are built with Gowin EDA.
Specifications
| Vendor | Gowin |
|---|---|
| Family | LittleBee |
| Series | GW1N |
| Process | 55 nm |
| Configuration memory | Embedded flash |
| LUT4-equivalent capacity | 2,304 |
| Look-up tables (LUT4) | 2,304 |
| Flip-flops | 2,304 |
| Distributed RAM | 18 Kb |
| Block RAM | 0.1 Mb (4 × 18 Kb) |
| User flash memory | 96 Kb |
| In-package memory | Embedded PSRAM 32-64M, NOR FLASH 4M |
| DSP (18×18 multiplier) | None |
| Max. user I/O | 126 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Gowin EDA |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| MG49P | 3.8 × 3.8 | 0.5 | 30 | — |
| MG49PG | 3.8 × 3.8 | 0.5 | 30 | — |
| MG49G | 3.8 × 3.8 | 0.5 | 30 | — |
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 GW1NR-2
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 |
|---|---|---|---|---|---|---|---|
| LFMXO4-025Lattice MachXO4 | 2.1K 2.1K LUT4 | 2.6K LC | — | 0.1 Mb | 204 | — | — |
| LCMXO2-2000Lattice MachXO2 | 2.1K 2.1K LUT4 | — | — | 0.1 Mb | 206 | — | — |
| LFMXO4D-040Lattice MachXO4 | 3K 3K LUT4 | 3.6K LC | — | 0.1 Mb | 204 | — | — |
| iCE40HX4KLattice iCE40 LP/HX/LM | 3.5K 3.5K LUT4 | 3.5K LC | — | 0.1 Mb | 109 | — | — |
| GW1AN-3Gowin Arora | 3.2K 3.2K LUT4 | — | — | 0.1 Mb | 208 | — | — |
| iCE40LP4KLattice iCE40 LP/HX/LM | 3.5K 3.5K LUT4 | 3.5K LC | — | 0.1 Mb | 180 | — | — |
Compare side by side: GW1NR-2 vs LFMXO4-025, GW1NR-2 vs LCMXO2-2000, GW1NR-2 vs LFMXO4D-040.
GW1NR-2 quick facts
How many LUTs does the GW1NR-2 have?
The GW1NR-2 has 2,304 LUT4 look-up tables, about 2,304 LUT4 equivalents.
How many DSP blocks does the GW1NR-2 have?
The GW1NR-2 has no 18×18 multipliers and 0.1 Mb of block RAM.
Does the GW1NR-2 have transceivers?
No, the GW1NR-2 has no multi-gigabit transceivers. Its user I/O supports up to 126 pins.
What are the alternatives to the GW1NR-2?
Devices of similar size in other families include LFMXO4-025 (Lattice MachXO4), LCMXO2-2000 (Lattice MachXO2), LFMXO4D-040 (Lattice MachXO4).
Which software is used to design with the GW1NR-2?
Designs for the GW1NR-2 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.