LFMXO5-100T
LatticeMachXO5-NXThe LFMXO5-100T is a MachXO5-NX FPGA from Lattice, built on a 28 nm process. It provides 80,000 LUT4 look-up tables (96,000 logic cells), 3.7 Mb of block RAM plus 3.5 Mb of LRAM and 156 18×18 multipliers. It offers up to 297 user I/O pins and 2 SERDES transceivers, with hard PCI Express Gen2 blocks. It comes in a single package, the BBG400 (17 × 17 mm). Designs are built with Lattice Radiant.
Specifications
| Vendor | Lattice |
|---|---|
| Family | MachXO5-NX |
| Series | Nexus |
| Process | 28 nm |
| Configuration memory | Internal flash |
| LUT4-equivalent capacity | 80,000 |
| Look-up tables (LUT4) | 80,000 |
| LUT note | Derived from logic cells ÷ 1.2 (Lattice definition for Nexus devices) |
| Logic cells | 96,000 |
| Distributed RAM | 639 Kb |
| Block RAM | 3.7 Mb (208 × 18 Kb) |
| LRAM | 3.5 Mb |
| User flash memory | 79,872 Kb |
| DSP (18×18 multiplier) | 156 |
| Max. user I/O | 297 |
|---|---|
| SERDES transceivers | 2 (rate not published) |
| PCI Express | Gen2 |
| Analog / monitor | SAR ADC |
| Design tool | Lattice Radiant |
Packages
| Package | Size (mm) | Pitch (mm) | User I/O | Transceivers |
|---|---|---|---|---|
| BBG400 | 17 × 17 | 0.8 | 297 | 2 |
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 LFMXO5-100T
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 |
|---|---|---|---|---|---|---|---|
| XCSU100PAMD Spartan UltraScale+ | 73.6K 46K LUT6 | 101K SLC | 144 | 5.1 Mb | 478 | 4 GTH 16.3 Gb/s | Gen4 |
| LFE5UM-85Lattice ECP5 | 84K 84K LUT4 | — | 156 | 3.7 Mb | 365 | 4 SERDES 3.2 Gb/s | — |
| LFE5UM5G-85Lattice ECP5 | 84K 84K LUT4 | — | 156 | 3.7 Mb | 365 | 4 SERDES 5 Gb/s | — |
| LFCPNX-100Lattice CertusPro-NX | 80K 80K LUT4 | 96K LC | 156 | 3.7 Mb | 305 | 8 SERDES 10.3125 Gb/s | Gen3 |
| Certus-N2 CT10Lattice Certus-N2 | 61K 61K LUT4 | 100K LC | 240 | 5.5 Mb | 196 | 4 SERDES 16 Gb/s | — |
| 5CGXC5Altera Cyclone V | 58.2K 29.1K ALMs | 77K LE | 150 | 4.4 Mb | 336 | 6 XCVR 3.125 Gb/s | Gen1 |
Compare side by side: LFMXO5-100T vs XCSU100P, LFMXO5-100T vs LFE5UM-85, LFMXO5-100T vs LFE5UM5G-85.
LFMXO5-100T quick facts
How many LUTs does the LFMXO5-100T have?
The LFMXO5-100T has 80,000 LUT4 look-up tables, about 80,000 LUT4 equivalents (96,000 logic cells as published by Lattice).
How many DSP blocks does the LFMXO5-100T have?
The LFMXO5-100T has 156 18×18 multipliers and 3.7 Mb of block RAM plus 3.5 Mb of LRAM.
Does the LFMXO5-100T have transceivers?
Yes, 2 SERDES transceivers.
What are the alternatives to the LFMXO5-100T?
Devices of similar size in other families include XCSU100P (AMD Spartan UltraScale+), LFE5UM-85 (Lattice ECP5), LFE5UM5G-85 (Lattice ECP5).
Which software is used to design with the LFMXO5-100T?
Designs for the LFMXO5-100T 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.