FPGA & adaptive SoC databook · online editionRev. 2026.10

LCMXO3L-640 vs LCMXO640C

A comparison of the Lattice MachXO3 LCMXO3L-640 and the Lattice MachXO LCMXO640C using the data from both vendors' selection guides.

Side-by-side specifications

LCMXO3L-640LCMXO640C
Vendor / familyLattice MachXO3Lattice MachXO
LUTs as published640 LUT4640 LUT4
LUT type4-input look-up table4-input look-up table
LUT4 equivalent (approx.)≈640≈640
CoreScore (SERV cores)——
Vendor logic figure——
DSP— 18×18 multipliers— 18×18 multipliers
Block RAM0.1 Mb—
Large RAM——
Max. user I/O104159
TransceiversNoneNone
Hard PCI ExpressNoneNone
Hard processorNoneNone
Process—130 nm
Configuration memory—Internal flash
Packages36
Design toolLattice DiamondLattice Diamond

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: 640 and 640 LUT4 equivalents.

Configuration memory: — on the LCMXO3L-640, internal flash on the LCMXO640C.

The LCMXO3L-640 is designed with Lattice Diamond and the LCMXO640C with Lattice Diamond.

Full specifications

See the complete spec sheets with packages and grades: LCMXO3L-640 (MachXO3) and LCMXO640C (MachXO).