LCMXO2-256
LatticeMachXO2The LCMXO2-256 is a MachXO2 FPGA from Lattice, built on a 65 nm process. It provides 256 LUT4 look-up tables, — of block RAM, with no hard multipliers. It offers up to 55 user I/O pins. It is available in 5 packages, from the ucBGA64 (4 × 4 mm) to the TQFP100 (14 × 14 mm). Temperature grades: commercial, industrial, automotive. Designs are built with Lattice Diamond.
Specifications
| Vendor | Lattice |
|---|---|
| Family | MachXO2 |
| Series | MachXO |
| Process | 65 nm |
| Configuration memory | Internal flash |
| LUT4-equivalent capacity | 256 |
| Look-up tables (LUT4) | 256 |
| Distributed RAM | 2 Kb |
| DSP (18×18 multiplier) | None |
| Max. user I/O | 55 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Diamond |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| ucBGA64 | 4 × 4 | 0.4 | 44 | — |
| QFN32 | 5 × 5 | 0.5 | 21 | — |
| QFN48 | 7 × 7 | 0.5 | 40 | — |
| csBGA132 | 8 × 8 | 0.5 | 55 | — |
| TQFP100 | 14 × 14 | 0.5 | 55 | — |
Package names are shown as in the selection guide; the full ordering code adds speed grade and temperature (see the data sheet).
Speed and temperature grades
| Temperature grade | Junction range | Speed grades |
|---|---|---|
| Commercial (C) | 0 to 85 °C | — |
| Industrial (I) | −40 to 100 °C | — |
| Automotive (A) | — | — |
Alternatives to the LCMXO2-256
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 |
|---|---|---|---|---|---|---|---|
| iCE40LP384Lattice iCE40 LP/HX/LM | 384 384 LUT4 | 384 LC | — | — | 39 | — | — |
| LCMXO3L-640Lattice MachXO3 | 640 640 LUT4 | — | — | 0.1 Mb | 104 | — | — |
| LCMXO3LF-640Lattice MachXO3 | 640 640 LUT4 | — | — | 0.1 Mb | 104 | — | — |
| iCE40UL640Lattice iCE40 Ultra | 640 640 LUT4 | — | — | 0.1 Mb | 26 | — | — |
| LFMXO4-010Lattice MachXO4 | 896 896 LUT4 | 1.1K LC | — | 0.1 Mb | 105 | — | — |
| iCE40LP640Lattice iCE40 LP/HX/LM | 640 640 LUT4 | 640 LC | — | 0 Mb | 10 | — | — |
Compare side by side: LCMXO2-256 vs iCE40LP384, LCMXO2-256 vs LCMXO3L-640, LCMXO2-256 vs LCMXO3LF-640.
LCMXO2-256 quick facts
How many LUTs does the LCMXO2-256 have?
The LCMXO2-256 has 256 LUT4 look-up tables, about 256 LUT4 equivalents.
How many DSP blocks does the LCMXO2-256 have?
The LCMXO2-256 has no 18×18 multipliers and — of block RAM.
Does the LCMXO2-256 have transceivers?
No, the LCMXO2-256 has no multi-gigabit transceivers. Its user I/O supports up to 55 pins.
What are the alternatives to the LCMXO2-256?
Devices of similar size in other families include iCE40LP384 (Lattice iCE40 LP/HX/LM), LCMXO3L-640 (Lattice MachXO3), LCMXO3LF-640 (Lattice MachXO3).
Which software is used to design with the LCMXO2-256?
Designs for the LCMXO2-256 are built with Lattice Diamond.
Other MachXO2 devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LCMXO2-256 | 256 256 LUT4 | — | — | — | 55 | — | — |
| LCMXO2-640 | 640 640 LUT4 | — | — | 0 Mb | 79 | — | — |
| LCMXO2-640U | 640 640 LUT4 | — | — | 0.1 Mb | 107 | — | — |
| LCMXO2-1200 | 1.3K 1.3K LUT4 | — | — | 0.1 Mb | 107 | — | — |
| LCMXO2-1200U | 1.3K 1.3K LUT4 | — | — | 0.1 Mb | 206 | — | — |
| LCMXO2-2000 | 2.1K 2.1K LUT4 | — | — | 0.1 Mb | 206 | — | — |
| LCMXO2-2000U | 2.1K 2.1K LUT4 | — | — | 0.1 Mb | 278 | — | — |
| LCMXO2-4000 | 4.3K 4.3K LUT4 | — | — | 0.1 Mb | 278 | — | — |
| LCMXO2-7000 | 6.9K 6.9K LUT4 | — | — | 0.2 Mb | 334 | — | — |
Source: Lattice MachXO2 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.