GW2AR-18
GowinArora IIThe GW2AR-18 is an Arora II FPGA from Gowin, built on a 55 nm process. It provides 20,736 LUT4 look-up tables, 15,552 flip-flops, 0.8 Mb of block RAM and 48 18×18 multipliers. It offers up to 384 user I/O pins. It is available in 9 packages, from the QN88 (10 × 10 mm) to the EQ176 (20 × 20 mm). Designs are built with Gowin EDA.
Specifications
| Vendor | Gowin |
|---|---|
| Family | Arora II |
| Series | GW2A |
| Process | 55 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | 20,736 |
| Look-up tables (LUT4) | 20,736 |
| Flip-flops | 15,552 |
| Distributed RAM | 40 Kb |
| Block RAM | 0.8 Mb (46 × 18 Kb) |
| In-package memory | SDR/DDR SDRAM 64M |
| DSP (18×18 multiplier) | 48 |
| Max. user I/O | 384 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Gowin EDA |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| LQ144 | 20 × 20 | 0.5 | 120 | — |
| EQ144 | 20 × 20 | 0.5 | 120 | — |
| EQ144P | 20 × 20 | 0.5 | 120 | — |
| EQ144PF | 20 × 20 | 0.5 | 120 | — |
| QN88 | 10 × 10 | 0.4 | 66 | — |
| QN88P | 10 × 10 | 0.4 | 66 | — |
| QN88PF | 10 × 10 | 0.4 | 66 | — |
| LQ176 | 20 × 20 | 0.4 | 140 | — |
| EQ176 | 20 × 20 | 0.4 | 140 | — |
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 GW2AR-18
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 |
|---|---|---|---|---|---|---|---|
| 10M25Altera MAX 10 | 25K 25K LUT4 | 25K LE | 55 | 0.7 Mb | 360 | — | — |
| 10M16Altera MAX 10 | 16K 16K LUT4 | 16K LE | 45 | 0.5 Mb | 320 | — | — |
| 10CL016Altera Cyclone 10 LP | 16K 16K LUT4 | 16K LE | 56 | 0.5 Mb | 340 | — | — |
| EP4CE15Altera Cyclone IV | 15K 15K LUT4 | 15K LE | 56 | 0.5 Mb | 343 | — | — |
| T20Efinix Trion | ≈19.7K 19.7K LEs | 19.7K LE | 36 | 1 Mb | 230 | — | — |
| XCSU35PAMD Spartan UltraScale+ | 25.6K 16K LUT6 | 36K SLC | 48 | 1.7 Mb | 304 | — | — |
Compare side by side: GW2AR-18 vs 10M25, GW2AR-18 vs 10M16, GW2AR-18 vs 10CL016.
GW2AR-18 quick facts
How many LUTs does the GW2AR-18 have?
The GW2AR-18 has 20,736 LUT4 look-up tables, about 20,736 LUT4 equivalents.
How many DSP blocks does the GW2AR-18 have?
The GW2AR-18 has 48 18×18 multipliers and 0.8 Mb of block RAM.
Does the GW2AR-18 have transceivers?
No, the GW2AR-18 has no multi-gigabit transceivers. Its user I/O supports up to 384 pins.
What are the alternatives to the GW2AR-18?
Devices of similar size in other families include 10M25 (Altera MAX 10), 10M16 (Altera MAX 10), 10CL016 (Altera Cyclone 10 LP).
Which software is used to design with the GW2AR-18?
Designs for the GW2AR-18 are built with Gowin EDA.
Other Arora II devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| GW2AN-9X | 10.4K 10.4K LUT4 | — | — | 0.5 Mb | 389 | — | — |
| GW2A-18 | 20.7K 20.7K LUT4 | — | 48 | 0.8 Mb | 384 | — | — |
| GW2AN-18X | 20.7K 20.7K LUT4 | — | — | 0.5 Mb | 389 | — | — |
| GW2AR-18 | 20.7K 20.7K LUT4 | — | 48 | 0.8 Mb | 384 | — | — |
| GW2ANR-18 | 20.7K 20.7K LUT4 | — | 48 | 0.8 Mb | 384 | — | — |
| GW2A-55 | 54.7K 54.7K LUT4 | — | 40 | 2.5 Mb | 608 | — | — |
| GW2AN-55 | 54.7K 54.7K LUT4 | — | — | 2.5 Mb | 608 | — | — |
Source: Gowin Arora II product page, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.