LCMXO3LF-6900
LatticeMachXO3The LCMXO3LF-6900 is a MachXO3 FPGA from Lattice. It provides 6,900 LUT4 look-up tables, 0.2 Mb of block RAM, with no hard multipliers. It offers up to 335 user I/O pins. It is available in 5 packages, from the csfBGA256 (9 × 9 mm) to the caBGA400 (17 × 17 mm). Temperature grades: commercial, industrial. Designs are built with Lattice Diamond.
Specifications
| Vendor | Lattice |
|---|---|
| Family | MachXO3 |
| Series | MachXO |
| LUT4-equivalent capacity | 6,900 |
| Look-up tables (LUT4) | 6,900 |
| Distributed RAM | 54 Kb |
| Block RAM | 0.2 Mb |
| User flash memory | 256 Kb |
| DSP (18×18 multiplier) | None |
| Max. user I/O | 335 |
|---|---|
| Transceivers | None |
| PCI Express | None |
| Analog / monitor | None |
| Design tool | Lattice Diamond |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| csfBGA256 | 9 × 9 | 0.5 | 206 | — |
| csfBGA324 | 10 × 10 | 0.5 | 281 | — |
| caBGA256 | 14 × 14 | 0.8 | 206 | — |
| caBGA324 | 15 × 15 | 0.8 | 279 | — |
| caBGA400 | 17 × 17 | 0.8 | 335 | — |
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 | — |
Alternatives to the LCMXO3LF-6900
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 |
|---|---|---|---|---|---|---|---|
| LCMXO2-7000Lattice MachXO2 | 6.9K 6.9K LUT4 | — | — | 0.2 Mb | 334 | — | — |
| LFMXO4-080Lattice MachXO4 | 6.9K 6.9K LUT4 | 8.3K LC | — | 0.2 Mb | 333 | — | — |
| LFMXO4D-080Lattice MachXO4 | 6.9K 6.9K LUT4 | 8.3K LC | — | 0.2 Mb | 333 | — | — |
| iCE40HX8KLattice iCE40 LP/HX/LM | 7.7K 7.7K LUT4 | 7.7K LC | — | 0.1 Mb | 208 | — | — |
| LFMXO4D-110Lattice MachXO4 | 9.4K 9.4K LUT4 | 11.3K LC | — | 0.4 Mb | 381 | — | — |
| LFMXO4-110Lattice MachXO4 | 9.4K 9.4K LUT4 | 11.3K LC | — | 0.4 Mb | 382 | — | — |
Compare side by side: LCMXO3LF-6900 vs LCMXO2-7000, LCMXO3LF-6900 vs LFMXO4-080, LCMXO3LF-6900 vs LFMXO4D-080.
LCMXO3LF-6900 quick facts
How many LUTs does the LCMXO3LF-6900 have?
The LCMXO3LF-6900 has 6,900 LUT4 look-up tables, about 6,900 LUT4 equivalents.
How many DSP blocks does the LCMXO3LF-6900 have?
The LCMXO3LF-6900 has no 18×18 multipliers and 0.2 Mb of block RAM.
Does the LCMXO3LF-6900 have transceivers?
No, the LCMXO3LF-6900 has no multi-gigabit transceivers. Its user I/O supports up to 335 pins.
What are the alternatives to the LCMXO3LF-6900?
Devices of similar size in other families include LCMXO2-7000 (Lattice MachXO2), LFMXO4-080 (Lattice MachXO4), LFMXO4D-080 (Lattice MachXO4).
Which software is used to design with the LCMXO3LF-6900?
Designs for the LCMXO3LF-6900 are built with Lattice Diamond.
Other MachXO3 devices
| Device | LUT4-eq. | Vendor logic | DSP | Block RAM | Max I/O | Transceivers | PCIe |
|---|---|---|---|---|---|---|---|
| LCMXO3L-640 | 640 640 LUT4 | — | — | 0.1 Mb | 104 | — | — |
| LCMXO3LF-640 | 640 640 LUT4 | — | — | 0.1 Mb | 104 | — | — |
| LCMXO3L-1300 | 1.3K 1.3K LUT4 | — | — | 0.1 Mb | 206 | — | — |
| LCMXO3LF-1300 | 1.3K 1.3K LUT4 | — | — | 0.1 Mb | 206 | — | — |
| LCMXO3L-2100 | 2.1K 2.1K LUT4 | — | — | 0.1 Mb | 279 | — | — |
| LCMXO3LF-2100 | 2.1K 2.1K LUT4 | — | — | 0.1 Mb | 279 | — | — |
| LCMXO3L-4300 | 4.3K 4.3K LUT4 | — | — | 0.1 Mb | 335 | — | — |
| LCMXO3LF-4300 | 4.3K 4.3K LUT4 | — | — | 0.1 Mb | 335 | — | — |
| LCMXO3L-6900 | 6.9K 6.9K LUT4 | — | — | 0.2 Mb | 335 | — | — |
| LCMXO3LF-6900 | 6.9K 6.9K LUT4 | — | — | 0.2 Mb | 335 | — | — |
| LCMXO3L-9400 | 9.4K 9.4K LUT4 | — | — | 0.4 Mb | 384 | — | — |
| LCMXO3LF-9400 | 9.4K 9.4K LUT4 | — | — | 0.4 Mb | 384 | — | — |
Source: Lattice MachXO3 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.