Tz50
EfinixTopazThe Tz50 is a Topaz FPGA from Efinix, built on a 16 nm process. It provides 55,786 LUT4 look-up tables (52,160 logic elements (LEs)), 55,786 flip-flops, 2.4 Mb of block RAM and 140 DSP blocks. It offers up to 169 user I/O pins. It is available in 3 packages, from the FBGA100 (5.5 × 5.5 mm) to the FBGA256 (13 × 13 mm). Designs are built with Efinix Efinity.
Specifications
| Vendor | Efinix |
|---|---|
| Family | Topaz |
| Series | Topaz |
| Process | 16 nm |
| Configuration memory | SRAM |
| LUT4-equivalent capacity | 55,786 |
| Look-up tables (LUT4) | 55,786 |
| LUT note | XLR cells from the data sheet (each is a 4-input LUT with a flip-flop) |
| Logic elements (LEs) | 52,160 |
| Flip-flops | 55,786 |
| Block RAM | 2.4 Mb |
| DSP (DSP block) | 140 |
| Max. user I/O | 169 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Efinix Efinity |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| FBGA100 | 5.5 × 5.5 | 0.5 | 61 | — |
| FBGA225 | 10 × 10 | 0.65 | 163 | — |
| FBGA256 | 13 × 13 | 0.8 | 169 | — |
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 Tz50
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 |
|---|---|---|---|---|---|---|---|
| Ti60Efinix Titanium | 60.8K 60.8K LUT4 | 62K LE | 160 | 2.6 Mb | 169 | — | — |
| Ti70Efinix Titanium | ≈68.2K 68.2K LEs | 68.2K LE | 160 | 2.6 Mb | 183 | — | — |
| XC7S50AMD Spartan-7 | 52.2K 32.6K LUT6 | 52.2K LC | 120 | 2.6 Mb | 250 | — | — |
| T55Efinix Trion | ≈54.2K 54.2K LEs | 54.2K LE | 150 | 2.7 Mb | 278 | — | — |
| 10CL055Altera Cyclone 10 LP | 55K 55K LUT4 | 55K LE | 156 | 2.3 Mb | 321 | — | — |
| GW5A-60Gowin Arora V | 59.9K 59.9K LUT4 | — | 118 | 2.1 Mb | 320 | — | — |
Compare side by side: Tz50 vs Ti60, Tz50 vs Ti70, Tz50 vs XC7S50.
Tz50 quick facts
How many LUTs does the Tz50 have?
The Tz50 has 55,786 LUT4 look-up tables, about 55,786 LUT4 equivalents (52,160 logic elements (les) as published by Efinix).
How many DSP blocks does the Tz50 have?
The Tz50 has 140 DSP blocks and 2.4 Mb of block RAM.
Does the Tz50 have transceivers?
No, the Tz50 has no multi-gigabit transceivers. Its user I/O supports up to 169 pins.
What are the alternatives to the Tz50?
Devices of similar size in other families include Ti60 (Efinix Titanium), Ti70 (Efinix Titanium), XC7S50 (AMD Spartan-7).
Which software is used to design with the Tz50?
Designs for the Tz50 are built with Efinix Efinity.
Other Topaz devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| Tz50 | 55.8K 55.8K LUT4 | 52.2K LE | 140 | 2.4 Mb | 169 | — | — |
| Tz75 | 80.8K 80.8K LUT4 | 75.5K LE | 264 | 5.3 Mb | 223 | 8 SERDES 12.5 Gb/s | Gen3 |
| Tz100 | 108K 108K LUT4 | 101K LE | 312 | 6.3 Mb | 223 | 8 SERDES 12.5 Gb/s | Gen3 |
| Tz110 | 129K 129K LUT4 | 121K LE | 320 | 6.4 Mb | 274 | — | — |
| Tz170 | 172K 172K LUT4 | 161K LE | 544 | 11.1 Mb | 274 | — | — |
| Tz200 | 230K 230K LUT4 | 215K LE | 840 | 15.8 Mb | 227 | 16 SERDES 12.5 Gb/s | Gen3 |
| Tz325 | 349K 349K LUT4 | 326K LE | 1,008 | 19.2 Mb | 227 | 16 SERDES 12.5 Gb/s | Gen3 |
Source: Efinix Topaz 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.