LFMXO5-25
LatticeMachXO5-NXThe LFMXO5-25 is a MachXO5-NX FPGA from Lattice, built on a 28 nm process. It provides 22,500 LUT4 look-up tables (27,000 logic cells), 1.4 Mb of block RAM plus 0.5 Mb of LRAM and 20 18×18 multipliers. It offers up to 305 user I/O pins. It is available in 2 packages, from the BBG256 (14 × 14 mm) to the BBG400 (17 × 17 mm). Designs are built with Lattice Radiant.
Specifications
| Vendor | Lattice |
|---|---|
| Family | MachXO5-NX |
| Series | Nexus |
| Process | 28 nm |
| Configuration memory | Internal flash |
| LUT4-equivalent capacity | 22,500 |
| Look-up tables (LUT4) | 22,500 |
| LUT note | Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices) |
| Logic cells | 27,000 |
| Distributed RAM | 184 Kb |
| Block RAM | 1.4 Mb (80 × 18 Kb) |
| LRAM | 0.5 Mb |
| User flash memory | 14,848 Kb |
| DSP (18×18 multiplier) | 20 |
| Max. user I/O | 305 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | SAR ADC |
| Design tool | Lattice Radiant |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| BBG256 | 14 × 14 | 0.8 | 205 | — |
| BBG400 | 17 × 17 | 0.8 | 305 | — |
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 LFMXO5-25
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 |
|---|---|---|---|---|---|---|---|
| LFD2NX-25Lattice Certus-NX | 20.8K 20.8K LUT4 | 25K LC | 20 | 1.4 Mb | 311 | — | — |
| 5CEA2Altera Cyclone V | 18.9K 9.4K ALMs | 25K LE | 25 | 1.7 Mb | 224 | — | — |
| GW3AR-20Gowin Arora III | 23K 23K LUT4 | — | 26 | 1.1 Mb | 238 | — | — |
| 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 | — | — |
Compare side by side: LFMXO5-25 vs LFD2NX-25, LFMXO5-25 vs 5CEA2, LFMXO5-25 vs GW3AR-20.
LFMXO5-25 quick facts
How many LUTs does the LFMXO5-25 have?
The LFMXO5-25 has 22,500 LUT4 look-up tables, about 22,500 LUT4 equivalents (27,000 logic cells as published by Lattice).
How many DSP blocks does the LFMXO5-25 have?
The LFMXO5-25 has 20 18×18 multipliers and 1.4 Mb of block RAM plus 0.5 Mb of LRAM.
Does the LFMXO5-25 have transceivers?
No, the LFMXO5-25 has no multi-gigabit transceivers. Its user I/O supports up to 305 pins.
What are the alternatives to the LFMXO5-25?
Devices of similar size in other families include LFD2NX-25 (Lattice Certus-NX), 5CEA2 (Altera Cyclone V), GW3AR-20 (Gowin Arora III).
Which software is used to design with the LFMXO5-25?
Designs for the LFMXO5-25 are built with Lattice Radiant.
Other MachXO5-NX devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LFMXO5-15D | 11.7K 11.7K LUT4 | 14K LC | 16 | 0.3 Mb | 305 | — | — |
| LFMXO5-20TD | 16.7K 16.7K LUT4 | 20K LC | 48 | 0.7 Mb | 368 | 1 SERDES | Gen2 |
| LFMXO5-25 | 22.5K 22.5K LUT4 | 27K LC | 20 | 1.4 Mb | 305 | — | — |
| LFMXO5-30TD | 25K 25K LUT4 | 30K LC | 48 | 0.8 Mb | 368 | 1 SERDES | Gen2 |
| LFMXO5-35T | 29.2K 29.2K LUT4 | 35K LC | 48 | 1.9 Mb | 371 | 1 SERDES | Gen2 |
| LFMXO5-55TDQ | 31.7K 31.7K LUT4 | 38K LC | 93 | 0.3 Mb | 297 | 2 SERDES | Gen2 |
| LFMXO5-55T | 44.2K 44.2K LUT4 | 53K LC | 146 | 2.9 Mb | 297 | 2 SERDES | Gen2 |
| LFMXO5-55TD | 44.2K 44.2K LUT4 | 53K LC | 110 | 2.9 Mb | 297 | 2 SERDES | Gen2 |
| LFMXO5-65T | 54.2K 54.2K LUT4 | 65K LC | 128 | 2.2 Mb | 371 | 1 SERDES | Gen2 |
| LFMXO5-100T | 80K 80K LUT4 | 96K LC | 156 | 3.7 Mb | 297 | 2 SERDES | Gen2 |
Source: Lattice MachXO5-NX product page, Family Table, retrieved 2026-10-24. Data is extracted automatically from the vendor's selection guide; verify critical values in the device data sheet.