T35
EfinixTrionThe T35 is a Trion FPGA from Efinix, built on a 40 nm process. It provides 31,680 logic elements (LEs) (Efinix does not publish the LUT count for this device), 1.4 Mb of block RAM and 120 18×18 multipliers. It offers up to 230 user I/O pins. It is available in 3 packages, from the FBGA324 (12 × 12 mm) to the FBGA400 (16 × 16 mm). Designs are built with Efinix Efinity.
Specifications
| Vendor | Efinix |
|---|---|
| Family | Trion |
| Series | Trion |
| Process | 40 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | ≈31,680 (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) | 31,680 |
| Block RAM | 1.4 Mb |
| DSP (18×18 multiplier) | 120 |
| 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 |
|---|---|---|---|---|
| FBGA256 | 13 × 13 | 0.8 | 191 | — |
| 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 T35
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 |
|---|---|---|---|---|---|---|---|
| Ti40Efinix Titanium | ≈38.9K 38.9K LEs | 38.9K LE | 100 | 1.5 Mb | 183 | — | — |
| Ti35Efinix Titanium | 35.5K 35.5K LUT4 | 36.2K LE | 93 | 1.5 Mb | 169 | — | — |
| 10CL040Altera Cyclone 10 LP | 40K 40K LUT4 | 40K LE | 126 | 1.1 Mb | 325 | — | — |
| 10M40Altera MAX 10 | 40K 40K LUT4 | 40K LE | 125 | 1.2 Mb | 500 | — | — |
| XC7S25AMD Spartan-7 | 23.4K 14.6K LUT6 | 23.4K LC | 80 | 1.6 Mb | 150 | — | — |
| EP4CE40Altera Cyclone IV | 40K 40K LUT4 | 40K LE | 116 | 1.1 Mb | 532 | — | — |
Compare side by side: T35 vs Ti40, T35 vs Ti35, T35 vs 10CL040, T35 vs 10M40.
T35 quick facts
How much logic does the T35 have?
Efinix publishes 31,680 logic elements (les) for the T35; it does not publish the LUT count.
How many DSP blocks does the T35 have?
The T35 has 120 18×18 multipliers and 1.4 Mb of block RAM.
Does the T35 have transceivers?
No, the T35 has no multi-gigabit transceivers. Its user I/O supports up to 230 pins.
What are the alternatives to the T35?
Devices of similar size in other families include Ti40 (Efinix Titanium), Ti35 (Efinix Titanium), 10CL040 (Altera Cyclone 10 LP).
Which software is used to design with the T35?
Designs for the T35 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.