GW1NZ-1
GowinLittleBeeThe GW1NZ-1 is a LittleBee FPGA from Gowin, built on a 55 nm process. It provides 1,152 LUT4 look-up tables, 864 flip-flops, 0.1 Mb of block RAM, with no hard multipliers. It offers up to 48 user I/O pins. It is available in 6 packages, from the CG25 (1.8 × 1.8 mm) to the QN48 (6 × 6 mm). Designs are built with Gowin EDA.
Specifications
| Vendor | Gowin |
|---|---|
| Family | LittleBee |
| Series | GW1N |
| Process | 55 nm |
| Configuration memory | Embedded flash |
| LUT4-equivalent capacity | 1,152 |
| Look-up tables (LUT4) | 1,152 |
| Flip-flops | 864 |
| Distributed RAM | 4 Kb |
| Block RAM | 0.1 Mb |
| User flash memory | 64 Kb |
| DSP (18×18 multiplier) | None |
| Max. user I/O | 48 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Gowin EDA |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| CG25 | 1.8 × 1.8 | 0.35 | 20 | — |
| CS16 | 1.8 × 1.8 | 0.4 | 11 | — |
| FN24 | 3 × 3 | 0.4 | 18 | — |
| FN32 | 4 × 4 | 0.4 | 25 | — |
| FN32F | 4 × 4 | 0.4 | 25 | — |
| QN48 | 6 × 6 | 0.4 | 41 | — |
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 GW1NZ-1
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 |
|---|---|---|---|---|---|---|---|
| GW1AN-1SGowin Arora | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 44 | — | — |
| iCE40LM1KLattice iCE40 LP/HX/LM | 1.1K 1.1K LUT4 | 1.1K LC | — | 0.1 Mb | 39 | — | — |
| iCE40UL1KLattice iCE40 Ultra | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 26 | — | — |
| iCE40LP1KLattice iCE40 LP/HX/LM | 1.3K 1.3K LUT4 | 1.3K LC | — | 0.1 Mb | 97 | — | — |
| iCE40HX1KLattice iCE40 LP/HX/LM | 1.3K 1.3K LUT4 | 1.3K LC | — | 0.1 Mb | 98 | — | — |
| LCMXO2-1200Lattice MachXO2 | 1.3K 1.3K LUT4 | — | — | 0.1 Mb | 107 | — | — |
Compare side by side: GW1NZ-1 vs GW1AN-1S, GW1NZ-1 vs iCE40LM1K, GW1NZ-1 vs iCE40UL1K.
GW1NZ-1 quick facts
How many LUTs does the GW1NZ-1 have?
The GW1NZ-1 has 1,152 LUT4 look-up tables, about 1,152 LUT4 equivalents.
How many DSP blocks does the GW1NZ-1 have?
The GW1NZ-1 has no 18×18 multipliers and 0.1 Mb of block RAM.
Does the GW1NZ-1 have transceivers?
No, the GW1NZ-1 has no multi-gigabit transceivers. Its user I/O supports up to 48 pins.
What are the alternatives to the GW1NZ-1?
Devices of similar size in other families include GW1AN-1S (Gowin Arora), iCE40LM1K (Lattice iCE40 LP/HX/LM), iCE40UL1K (Lattice iCE40 Ultra).
Which software is used to design with the GW1NZ-1?
Designs for the GW1NZ-1 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.