LFMXO5-15D
LatticeMachXO5-NXThe LFMXO5-15D is a MachXO5-NX FPGA from Lattice, built on a 28 nm process. It provides 11,667 LUT4 look-up tables (14,000 logic cells), 0.3 Mb of block RAM plus 0.5 Mb of LRAM and 16 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 | 11,667 |
| Look-up tables (LUT4) | 11,667 |
| LUT note | Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices) |
| Logic cells | 14,000 |
| Distributed RAM | 95 Kb |
| Block RAM | 0.3 Mb (20 × 18 Kb) |
| LRAM | 0.5 Mb |
| User flash memory | 8,160 Kb |
| DSP (18×18 multiplier) | 16 |
| 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 LFMXO5-15D
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-15Lattice Certus-NX | 12.5K 12.5K LUT4 | 15K LC | 12 | 0.8 Mb | 311 | — | — |
| GW1N-9Gowin LittleBee | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
| GW1NR-9Gowin LittleBee | 8.6K 8.6K LUT4 | — | 20 | 0.5 Mb | 276 | — | — |
| T13Efinix Trion | ≈12.8K 12.8K LEs | 12.8K LE | 24 | 0.7 Mb | 195 | — | — |
| EP4CE10Altera Cyclone IV | 10K 10K LUT4 | 10K LE | 23 | 0.4 Mb | 179 | — | — |
| 10CL010Altera Cyclone 10 LP | 10K 10K LUT4 | 10K LE | 23 | 0.4 Mb | 176 | — | — |
Compare side by side: LFMXO5-15D vs LFD2NX-15, LFMXO5-15D vs GW1N-9, LFMXO5-15D vs GW1NR-9.
LFMXO5-15D quick facts
How many LUTs does the LFMXO5-15D have?
The LFMXO5-15D has 11,667 LUT4 look-up tables, about 11,667 LUT4 equivalents (14,000 logic cells as published by Lattice).
How many DSP blocks does the LFMXO5-15D have?
The LFMXO5-15D has 16 18×18 multipliers and 0.3 Mb of block RAM plus 0.5 Mb of LRAM.
Does the LFMXO5-15D have transceivers?
No, the LFMXO5-15D has no multi-gigabit transceivers. Its user I/O supports up to 305 pins.
What are the alternatives to the LFMXO5-15D?
Devices of similar size in other families include LFD2NX-15 (Lattice Certus-NX), GW1N-9 (Gowin LittleBee), GW1NR-9 (Gowin LittleBee).
Which software is used to design with the LFMXO5-15D?
Designs for the LFMXO5-15D 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.