LFMXO5-35T

LatticeMachXO5-NX

The LFMXO5-35T is a MachXO5-NX FPGA from Lattice, built on a 28 nm process. It provides 29,167 LUT4 look-up tables (35,000 logic cells), 1.9 Mb of block RAM plus 0.5 Mb of LRAM and 48 18×18 multipliers. It offers up to 371 user I/O pins and 1 SERDES transceivers, with hard PCI Express Gen2 blocks. It is available in 3 packages, from the BBG256 (14 × 14 mm) to the BGA484 (19 × 19 mm). Designs are built with Lattice Radiant.

29.2KLUT4-equivalent

29.2KLUTs (LUT4)

4818×18 multipliers

0.5 MbLRAM

1.9 MbBlock RAM

371Max. user I/O

1Transceivers

Specifications

Vendor	Lattice
Family	MachXO5-NX
Series	Nexus
Process	28 nm
Configuration memory	Internal flash
LUT4-equivalent capacity	29,167
Look-up tables (LUT4)	29,167
LUT note	Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices)
Logic cells	35,000
Distributed RAM	260 Kb
Block RAM	1.9 Mb (208 × 18 Kb)
LRAM	0.5 Mb
User flash memory	21,504 Kb
DSP (18×18 multiplier)	48

Max. user I/O	371
SERDES transceivers	1 (rate not published)
PCI Express	Gen2
Analog / monitor	SAR ADC
Design tool	Lattice Radiant

Packages

Package	Size (mm)	Pitch (mm)	User I/O	Transceivers
BBG256	14 × 14	0.8	173	1
BBG400	17 × 17	0.8	318	—
BGA484	19 × 19	0.8	371	1

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 LFMXO5-35T

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-35Lattice Certus-NX	29.2K 29.2K LUT4	35K LC	48	1.9 Mb	371	1 SERDES 5 Gb/s	Gen2
LFD2NX-40Lattice Certus-NX	32.5K 32.5K LUT4	39K LC	56	1.5 Mb	191	1 SERDES 5 Gb/s	Gen2
LFD2NX-28Lattice Certus-NX	23.3K 23.3K LUT4	28K LC	40	1 Mb	191	1 SERDES 5 Gb/s	Gen2
XCSU35PAMD Spartan UltraScale+	25.6K 16K LUT6	36K SLC	48	1.7 Mb	304	—	—
GW3A-20Gowin Arora III	23K 23K LUT4	—	52	2.1 Mb	238	—	—
LIFCL-40Lattice CrossLink-NX	32.5K 32.5K LUT4	39K LC	56	1.5 Mb	191	—	Gen2

Compare side by side: LFMXO5-35T vs LFD2NX-35, LFMXO5-35T vs LFD2NX-40, LFMXO5-35T vs LFD2NX-28.

LFMXO5-35T quick facts

How many LUTs does the LFMXO5-35T have?

The LFMXO5-35T has 29,167 LUT4 look-up tables, about 29,167 LUT4 equivalents (35,000 logic cells as published by Lattice).

How many DSP blocks does the LFMXO5-35T have?

The LFMXO5-35T has 48 18×18 multipliers and 1.9 Mb of block RAM plus 0.5 Mb of LRAM.

Does the LFMXO5-35T have transceivers?

Yes, 1 SERDES transceivers.

What are the alternatives to the LFMXO5-35T?

Devices of similar size in other families include LFD2NX-35 (Lattice Certus-NX), LFD2NX-40 (Lattice Certus-NX), LFD2NX-28 (Lattice Certus-NX).

Which software is used to design with the LFMXO5-35T?

Designs for the LFMXO5-35T 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.