GW1AN-1S
GowinAroraThe GW1AN-1S is an Arora 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 44 user I/O pins. It is available in 2 packages, from the CS30 (2.2 × 2.8 mm) to the FN32 (4 × 4 mm). Designs are built with Gowin EDA.
Specifications
| Vendor | Gowin |
|---|---|
| Family | Arora |
| Series | GW1A |
| Process | 55 nm |
| Configuration memory | Embedded flash |
| LUT4-equivalent capacity | 1,152 |
| Look-up tables (LUT4) | 1,152 |
| Flip-flops | 864 |
| Block RAM | 0.1 Mb (4 × 18 Kb) |
| DSP (18×18 multiplier) | None |
| Max. user I/O | 44 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | ADC |
| Design tool | Gowin EDA |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| CS30 | 2.2 × 2.8 | 0.4 | 24 | — |
| FN32 | 4 × 4 | 0.4 | 26 | — |
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 GW1AN-1S
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 |
|---|---|---|---|---|---|---|---|
| GW1NZ-1Gowin LittleBee | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 48 | — | — |
| 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: GW1AN-1S vs GW1NZ-1, GW1AN-1S vs iCE40LM1K, GW1AN-1S vs iCE40UL1K.
GW1AN-1S quick facts
How many LUTs does the GW1AN-1S have?
The GW1AN-1S has 1,152 LUT4 look-up tables, about 1,152 LUT4 equivalents.
How many DSP blocks does the GW1AN-1S have?
The GW1AN-1S has no 18×18 multipliers and 0.1 Mb of block RAM.
Does the GW1AN-1S have transceivers?
No, the GW1AN-1S has no multi-gigabit transceivers. Its user I/O supports up to 44 pins.
What are the alternatives to the GW1AN-1S?
Devices of similar size in other families include GW1NZ-1 (Gowin LittleBee), iCE40LM1K (Lattice iCE40 LP/HX/LM), iCE40UL1K (Lattice iCE40 Ultra).
Which software is used to design with the GW1AN-1S?
Designs for the GW1AN-1S are built with Gowin EDA.
Other Arora devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| GW1AN-1 | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 120 | — | — |
| GW1AN-1S | 1.2K 1.2K LUT4 | — | — | 0.1 Mb | 44 | — | — |
| GW1AN-3 | 3.2K 3.2K LUT4 | — | — | 0.1 Mb | 208 | — | — |
| GW1AN-5 | 5.4K 5.4K LUT4 | — | — | 0.1 Mb | 208 | — | — |
Source: Gowin Arora product page, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.