company blog about Recycle Lattice Certus-NX FPGA:LFD2NX-9,LFD2NX-15,LFD2NX-17,LFD2NX-25,LFD2NX-28

Recycle Lattice Certus-NX FPGA:LFD2NX-9,LFD2NX-15,LFD2NX-17,LFD2NX-25,LFD2NX-28

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I. Core Platform Foundation and Common Advantages of the Certus-NX LFD2NX Series

The entire Lattice Certus-NX series of LFD2NX-suffixed FPGAs is built on the Nexus™ 28nm FD-SOI insulated silicon process. Compared to traditional FPGAs using the same process on bulk silicon, they inherently possess core characteristics such as extremely low leakage current, controllable static power consumption, resistance to radiation interference, and strong adaptability to high and low-temperature environments. This lays the foundation for long-term stable operation in industrial-grade, automotive-grade, and edge embedded terminal applications right from the chip’s underlying architecture, thoroughly resolving industry pain points associated with traditional small-scale FPGAs, such as high power consumption, performance degradation under high-temperature conditions, and large package sizes with low I/O density. Positioned as a general-purpose, low-power, lightweight programmable computing platform, this series avoids the indiscriminate piling on of redundant high-end computing power. Instead, it focuses on integrating essential functions required by industrial and edge devices. The entire range comes standard with hard-wired fixed-function interfaces, eliminating the need to consume additional logic resources for protocol soft-core implementation. This significantly reduces development complexity, shortens design cycles and lowers post-deployment debugging costs.

All five models in the series share four benchmark-level core capabilities. There is no compromise on core functionality across the full range of models; differentiation is achieved solely through tiered configurations of logic, memory and computational resources to suit project requirements of varying scales:

1. Ultra-compact packaging and exceptionally high I/O integration density

The Certus-NX LFD2NX series supports the industry’s smallest packaging specifications, with a minimum package size of just 6×6 mm. Within these ultra-compact physical constraints, it achieves an I/O integration density far exceeding that of competing FPGAs in the same class, offering more than double the number of I/Os per square millimetre compared to similar products of the same specification. This makes it perfectly suited for design scenarios with extremely limited PCB layout space, such as portable embedded devices, small industrial sensors and micro-control modules. It eliminates the need for additional I/O expansion chips, simplifies hardware architecture design, and reduces the overall PCB footprint and hardware material costs.

2. Native Support for High-Speed Differential I/O and Full-Scenario Hard-Wired Interfaces

The entire series comes standard with 1.5 Gbps high-speed differential I/O, offering signal transmission rates up to 70% faster than traditional small-form-factor FPGAs in the same price range, meeting the demands of high-speed digital signal exchange and real-time data synchronisation; Additionally, the series incorporates a variety of mainstream industrial and embedded hard-core interfaces. Without occupying programmable logic resources, it natively supports 5Gbps PCIe Gen2 high-speed interconnect, 1.25Gbps SGMII Gigabit Ethernet (GigE) and 1066Mbps DDR3 memory interfaces. This enables seamless integration with host processors, communication chips, memory modules and high-definition sensor modules, catering to scenarios requiring high-speed data exchange and data cache expansion. Furthermore, the entire series integrates dual 12-bit 1MSPS high-precision ADC modules, enabling direct acquisition of analogue sensor signals and eliminating the need for external ADC chips, thereby further streamlining the hardware peripheral circuitry.

3. Flexible dual-power-mode adaptation with precise power consumption control

The chip incorporates a configurable dual-power-mode strategy comprising a low-power mode and a high-performance mode. Design and development engineers can switch between these modes according to the device’s actual operating conditions: activate low-power mode during normal standby or simple logic control operations to drastically reduce static and dynamic power consumption, meeting the requirements of battery-powered edge devices with extended battery life; switch to high-performance mode during high-speed data processing and concurrent multi-protocol operations to ensure real-time logic processing and data transmission, balancing both power optimisation and performance requirements, and supporting a wide range of power supply scenarios including battery and mains power.

4. High-reliability industrial-grade quality and a simple development ecosystem

The entire product range meets wide-temperature industrial-grade operating temperature ranges, with excellent resistance to electromagnetic interference and ageing at high and low temperatures, making it suitable for complex and harsh operating conditions such as demanding industrial factory environments, outdoor edge monitoring, and lightweight in-vehicle control; They are also compatible with Lattice’s dedicated FPGA development and compilation toolchain, supported by comprehensive official reference designs, driver source code, application case studies and technical support documentation. With a low development threshold, projects can be rapidly implemented—whether entry-level FPGA developers are quickly getting to grips with simple logic development, or senior engineers are undertaking complex multi-protocol interconnection and data pre-processing designs—thereby shortening product mass production cycles.

II. Five Core Models: LFD2NX-9/15/17/25/28 – Gradual Parameter Differentiation for Precise Market Alignment

The five flagship models in Lattice’s LFD2NX series are categorised primarily by the number of logic units. This is complemented by a graduated allocation of core resources, including embedded block registers (EBR), large-capacity logic registers (LRAM), 18×18 hardware multipliers and the number of programmable I/O pins. The range covers everything from entry-level, minimalist control applications to mid-range, data-intensive processing. The numerical suffix in the model name indicates the core logic unit count (in thousands), making model selection intuitive and straightforward. Project computing power requirements can be quickly matched without the need for complex parameter comparisons. The key configuration differences and core positioning of each model are as follows:

1. LFD2NX-9: 9K logic units, the top choice for entry-level, minimalist control offering excellent value for money

As the entry-level model in the Certus-NX series, the LFD2NX-9 is equipped with 9K basic programmable logic units, complemented by 270Kb of embedded block memory (EBR) and 1536Kb of high-capacity logic memory (LRAM). The hardware multiplier configuration is streamlined, and is designed to focus on lightweight, fundamental applications such as simple logic sequencing control, basic I/O expansion, low-speed sensor signal acquisition, device start/stop interlocking control, and serial port and basic Ethernet pass-through. This model boasts the lowest power consumption across the entire range, the most streamlined package options, and highly competitive procurement costs. Requiring no redundant computational power, it is specifically tailored for simple scenarios such as low-cost small embedded control devices, micro-sensor nodes, basic industrial I/O expansion modules, and logic upgrades or replacements for legacy equipment. It achieves the core functionality of replacing traditional fixed-logic chips and MCU-assisted logic expansion with FPGA programmable logic at the lowest hardware cost, offering exceptional value for money.

2. LFD2NX-15: 15K logic cells, a lightweight, general-purpose model bridging the gap to the mid-range

The LFD2NX-15 serves as a transitional model between entry-level and mid-to-high-end variants, with logic capacity upgraded to 15K. with a corresponding modest increase in memory resources and the number of programmable I/O pins. Building upon the entry-level model’s advantages of low power consumption, compact packaging and low cost, it moderately enhances logical processing and data caching capabilities. It supports medium-complexity application scenarios such as the simultaneous acquisition and pre-processing of multiple sensor signals, lightweight forwarding of single-channel Gigabit Ethernet data, simple digital filtering and noise reduction, low-speed image data cropping and processing, and lightweight interconnection of a single peripheral via PCIe. It is suitable for transitional projects requiring a modest upgrade in computing power, with limited budgets and no need for intensive data processing. It balances basic functional expansion with cost control, and is suitable for small and medium-sized industrial measurement and control modules, standard edge data acquisition terminals, and simple embedded communication gateways.

3. LFD2NX-17: 17K logic units, the mainstream industrial standard mass-production model

The LFD2NX-17 is the flagship mass-production model in the Certus-NX series for industrial embedded applications. Equipped with 17K core logic units, it achieves an optimal balance between memory resources, multiplier processing resources and programmable I/O configuration, making it the preferred choice for numerous industrial standardised devices and edge intelligence terminals. This model’s resources fully support mainstream essential functions such as concurrent multi-protocol industrial Ethernet communication, high-precision acquisition and pre-processing of multiple analogue signals, medium-scale digital logic interlocking control, high-definition video image pre-processing and cropping, DDR3 high-speed data cache interaction, and stable interconnection of standard PCIe peripherals. It achieves a perfect balance across the four key dimensions of power consumption, performance, cost and package size, It eliminates both resource redundancy and computational performance shortcomings, making it suitable for high-volume mass production projects such as industrial automation control modules, edge sensing and monitoring terminals, lightweight in-vehicle auxiliary control systems, and compact video pre-processing devices for security applications. It is the core model with the broadest adaptability across commercial and industrial scenarios.

4. LFD2NX-25: 25K logic cells, mid-to-high-end enhanced version for intensive data processing

The LFD2NX-25 is positioned for mid-to-high-end enhanced applications, with logic cell capacity expanded to 25K. On-chip memory capacity, the number of hardware multipliers and the programmable I/O array have been significantly upgraded. It offers enhanced capabilities for intensive logic operations, bulk data caching and concurrent interfacing with multiple peripherals, making it suitable for multi-channel high-speed data

real-time pre-processing, multi-channel Gigabit Ethernet data aggregation and forwarding, complex digital algorithmic filtering and computational processing, synchronous data acquisition and analysis from multi-sensor arrays, lightweight AI inference acceleration for mid-range edge computing, and multi-device PCIe networking. It is suitable for mid-range industrial gateways, edge computing front-end modules, multi-sensor fusion monitoring devices, and mid-range video security processing terminals that demand high real-time data processing and concurrent interaction capabilities. It significantly enhances dense data processing performance whilst maintaining a low-power foundation.

5. LFD2NX-28: 28K logic units, the top-of-the-range high-performance flagship model

The LFD2NX-28 is the top-of-the-range flagship model among the five core variants of the LFD2NX series. It features the highest number of programmable logic units in the series at 28K, complemented by 1054Kb of embedded block memory (EBR) and 1024Kb of high-capacity logic memory (LRAM). With hardware computing resources and I/O expansion capabilities maximised, it represents the performance ceiling for this series without the need to upgrade to the higher-tier CertusPro-NX models. This model supports high-performance, high-complexity applications such as large-scale, multi-protocol high-speed networking; real-time parallel processing of data from high-density sensor arrays; real-time encoding and pre-processing of high-definition video; precise, synchronised coordination of complex industrial control sequences; mid-range edge AI computing acceleration; and concurrent high-speed transmission via multi-channel PCIe and Ethernet. Whilst maintaining a compact form factor, low power consumption and industrial-grade reliability, it delivers the series’ most powerful programmable computing capability, It is ideally suited for high-performance, mission-critical scenarios such as high-end industrial core control units, edge intelligent computing gateways, high-end in-vehicle auxiliary control modules, and high-precision industrial inspection equipment. By eliminating the need for higher-tier, high-power FPGAs, it enables precise control of hardware costs.