FPGA & adaptive SoC databook · online editionRev. 2026.10

LCMXO3L-6900 vs LFMNX-50

A comparison of the Lattice MachXO3 LCMXO3L-6900 and the Lattice Mach-NX LFMNX-50 using the data from both vendors' selection guides.

Side-by-side specifications

LCMXO3L-6900LFMNX-50
Vendor / familyLattice MachXO3Lattice Mach-NX
LUTs as published6,900 LUT47,000 LUT4
LUT type4-input look-up table4-input look-up table
LUT4 equivalent (approx.)≈6,900≈7,000
CoreScore (SERV cores)——
Vendor logic figure—8,400 LC
DSP— 18×18 multipliers— 18×18 multipliers
Block RAM0.2 Mb0.4 Mb
Large RAM——
Max. user I/O335378
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process—28 nm
Configuration memory—Internal flash
Packages52
Design toolLattice DiamondLattice Radiant

Highlighted values are higher. LUT counts are shown as published; the LUT4 equivalent is an approximation to compare different LUT types, see how FPGA vendors count logic. Add up to two more devices to this comparison.

Key differences

Both devices offer similar logic capacity: 6.9K and 7K LUT4 equivalents.

The LFMNX-50 has more on-chip memory (0.4 Mb vs 0.2 Mb).

Configuration memory: — on the LCMXO3L-6900, internal flash on the LFMNX-50.

The LCMXO3L-6900 is designed with Lattice Diamond and the LFMNX-50 with Lattice Radiant.

Full specifications

See the complete spec sheets with packages and grades: LCMXO3L-6900 (MachXO3) and LFMNX-50 (Mach-NX).