LFD2NX-40

LatticeCertus-NX

The LFD2NX-40 is a Certus-NX FPGA from Lattice, built on a 28 nm process. It provides 32,500 LUT4 look-up tables (39,000 logic cells), 1.5 Mb of block RAM plus 1 Mb of LRAM and 56 18×18 multipliers. It offers up to 191 user I/O pins and 1 SERDES transceivers at up to 5 Gb/s, with hard PCI Express Gen2 blocks. It is available in 3 packages, from the csfBGA121 (6 × 6 mm) to the caBGA256 (14 × 14 mm). Temperature grades: commercial, industrial, automotive. Designs are built with Lattice Radiant.

32.5KLUT4-equivalent

32.5KLUTs (LUT4)

5618×18 multipliers

1 MbLRAM

1.5 MbBlock RAM

191Max. user I/O

1Transceivers (5 Gb/s)

Specifications

Vendor	Lattice
Family	Certus-NX
Series	Nexus
Process	28 nm
Configuration memory	SRAM
LUT4-equivalent capacity	32,500
Look-up tables (LUT4)	32,500
LUT note	Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices)
Logic cells	39,000
Block RAM	1.5 Mb
LRAM	1 Mb
DSP (18×18 multiplier)	56

Max. user I/O	191
SERDES transceivers	1 × 5 Gb/s
PCI Express	Gen2
Analog / monitor	SAR ADC
Design tool	Lattice Radiant

Packages

Package	Size (mm)	Pitch (mm)	User I/O	Transceivers
csfBGA121	6 × 6	0.5	81	1
caBGA196	12 × 12	0.8	156	—
caBGA256	14 × 14	0.8	191	—

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 LFD2NX-40

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
LIFCL-40Lattice CrossLink-NX	32.5K 32.5K LUT4	39K LC	56	1.5 Mb	191	—	Gen2
LFMXO5-35TLattice MachXO5-NX	29.2K 29.2K LUT4	35K LC	48	1.9 Mb	371	1 SERDES	Gen2
5CEA4Altera Cyclone V	37K 18.5K ALMs	49K LE	66	3 Mb	224	—	—
GW3A-20Gowin Arora III	23K 23K LUT4	—	52	2.1 Mb	238	—	—
5CGXC3Altera Cyclone V	26.9K 13.5K ALMs	36K LE	57	1.3 Mb	208	3 XCVR 3.125 Gb/s	Gen1
LFE5U-45Lattice ECP5	44K 44K LUT4	—	72	1.9 Mb	245	—	—

Compare side by side: LFD2NX-40 vs LIFCL-40, LFD2NX-40 vs LFMXO5-35T, LFD2NX-40 vs 5CEA4.

LFD2NX-40 quick facts

How many LUTs does the LFD2NX-40 have?

The LFD2NX-40 has 32,500 LUT4 look-up tables, about 32,500 LUT4 equivalents (39,000 logic cells as published by Lattice).

How many DSP blocks does the LFD2NX-40 have?

The LFD2NX-40 has 56 18×18 multipliers and 1.5 Mb of block RAM plus 1 Mb of LRAM.

Does the LFD2NX-40 have transceivers?

Yes, 1 SERDES transceivers at up to 5 Gb/s.

What are the alternatives to the LFD2NX-40?

Devices of similar size in other families include LIFCL-40 (Lattice CrossLink-NX), LFMXO5-35T (Lattice MachXO5-NX), 5CEA4 (Altera Cyclone V).

Which software is used to design with the LFD2NX-40?

Designs for the LFD2NX-40 are built with Lattice Radiant.

Other Certus-NX devices

Device	LUT4-eq.	Vendor logic	DSP	Block RAM	Max I/O	Transceivers	PCIe
LFD2NX-9	7.5K 7.5K LUT4	9K LC	12	0.3 Mb	77	—	—
LFD2NX-15	12.5K 12.5K LUT4	15K LC	12	0.8 Mb	311	—	—
LFD2NX-17	14.2K 14.2K LUT4	17K LC	24	0.4 Mb	77	—	—
LFD2NX-25	20.8K 20.8K LUT4	25K LC	20	1.4 Mb	311	—	—
LFD2NX-28	23.3K 23.3K LUT4	28K LC	40	1 Mb	191	1 SERDES 5 Gb/s	Gen2
LFD2NX-35	29.2K 29.2K LUT4	35K LC	48	1.9 Mb	371	1 SERDES 5 Gb/s	Gen2
LFD2NX-40	32.5K 32.5K LUT4	39K LC	56	1.5 Mb	191	1 SERDES 5 Gb/s	Gen2
LFD2NX-65	54.2K 54.2K LUT4	65K LC	128	2.2 Mb	371	1 SERDES 5 Gb/s	Gen2

Source: Lattice Certus-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.