T20
EfinixTrionThe T20 is a Trion FPGA from Efinix, built on a 40 nm process. It provides 19,728 logic elements (LEs) (Efinix does not publish the LUT count for this device), 1 Mb of block RAM and 36 18×18 multipliers. It offers up to 230 user I/O pins. It is available in 7 packages, from the WLCSP80 (4.5 × 3.6 mm) to the LQFP144 (20 × 20 mm). Designs are built with Efinix Efinity.
Specifications
| Vendor | Efinix |
|---|---|
| Family | Trion |
| Series | Trion |
| Process | 40 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | ≈19,728 (from LEs) |
| Look-up tables (LUT4) | Not published |
| LUT note | Efinix only publishes logic elements (LEs) for this device, an equivalent unit that is not a LUT count |
| Logic elements (LEs) | 19,728 |
| Block RAM | 1 Mb |
| DSP (18×18 multiplier) | 36 |
| Max. user I/O | 230 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Hard memory controller | DDR3, LPDDR3, LPDDR2 x16 |
| Analog / monitor | None |
| Design tool | Efinix Efinity |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| WLCSP80 | 4.5 × 3.6 | 0.4 | 33 | — |
| LQFP100 | 14 × 14 | 0.5 | 65 | — |
| LQFP144 | 20 × 20 | 0.5 | 97 | — |
| FBGA169 | 9 × 9 | 0.65 | 73 | — |
| FBGA256 | 13 × 13 | 0.8 | 195 | — |
| FBGA324 | 12 × 12 | 0.65 | 130 | — |
| FBGA400 | 16 × 16 | 0.8 | 230 | — |
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 T20
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 |
|---|---|---|---|---|---|---|---|
| GW5A-25Gowin Arora V | 23K 23K LUT4 | — | 28 | 1 Mb | 239 | — | — |
| GW5AR-25Gowin Arora V | 23K 23K LUT4 | — | 28 | 1 Mb | 239 | — | — |
| LFE5U-25Lattice ECP5 | 24K 24K LUT4 | — | 28 | 1 Mb | 197 | — | — |
| GW3AR-20Gowin Arora III | 23K 23K LUT4 | — | 26 | 1.1 Mb | 238 | — | — |
| XCSU25PAMD Spartan UltraScale+ | 16K 10K LUT6 | 22K SLC | 36 | 1.7 Mb | 304 | — | — |
| GW2A-18Gowin Arora II | 20.7K 20.7K LUT4 | — | 48 | 0.8 Mb | 384 | — | — |
Compare side by side: T20 vs GW5A-25, T20 vs GW5AR-25, T20 vs LFE5U-25, T20 vs XCSU25P.
T20 quick facts
How much logic does the T20 have?
Efinix publishes 19,728 logic elements (les) for the T20; it does not publish the LUT count.
How many DSP blocks does the T20 have?
The T20 has 36 18×18 multipliers and 1 Mb of block RAM.
Does the T20 have transceivers?
No, the T20 has no multi-gigabit transceivers. Its user I/O supports up to 230 pins.
What are the alternatives to the T20?
Devices of similar size in other families include GW5A-25 (Gowin Arora V), GW5AR-25 (Gowin Arora V), LFE5U-25 (Lattice ECP5).
Which software is used to design with the T20?
Designs for the T20 are built with Efinix Efinity.
Other Trion devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| T4 | ≈3.9K 3.9K LEs | 3.9K LE | 4 | 0.1 Mb | 55 | — | — |
| T8 | ≈7.4K 7.4K LEs | 7.4K LE | 8 | 0.1 Mb | 97 | — | — |
| T13 | ≈12.8K 12.8K LEs | 12.8K LE | 24 | 0.7 Mb | 195 | — | — |
| T20 | ≈19.7K 19.7K LEs | 19.7K LE | 36 | 1 Mb | 230 | — | — |
| T35 | ≈31.7K 31.7K LEs | 31.7K LE | 120 | 1.4 Mb | 230 | — | — |
| T55 | ≈54.2K 54.2K LEs | 54.2K LE | 150 | 2.7 Mb | 278 | — | — |
| T85 | ≈84.1K 84.1K LEs | 84.1K LE | 240 | 4 Mb | 278 | — | — |
| T120 | ≈112K 112K LEs | 112K LE | 320 | 5.3 Mb | 278 | — | — |
Source: Efinix Trion product page and device data sheets, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.