LFE2-12E-5F484I - 12K LUT ECP2 FPGA | Lattice
MPN： LFE2-12E-5F484I ✗ 停產LFE2-12E-5F484I 概覽
An FPGA is a semiconductor device whose digital logic, interconnect, and embedded DSP resources are configured after manufacture. In the product hierarchy, this part is a field-programmable gate array, which is a programmable logic device within the broader FPGA and CPLD category. It is useful when a design requires parallel logic, programmable data paths, embedded arithmetic, or a high pin count that must be implemented on a compact board area.
The 12K LUT figure describes the approximate logic capacity available for digital designs. The listed DSP capability provides dedicated arithmetic resources for suitable filtering, signal-processing, and control functions. The 297 I/O count supports interfaces with external memory, converters, transceivers, and other digital or mixed-signal system components. The -5 speed designation identifies the performance grade, while the industrial temperature marking indicates the intended environmental qualification class.
The LFE2-12E-5F484I is packaged in a 484-BBGA, square BGA format with ball terminals. This package is substantially more pin-dense than a leaded package and is intended for compact, high-performance boards. Exact power, voltage tolerances, clock, memory-interface, configuration, and package-dimension details should be confirmed in the Lattice ECP2/M family datasheet before layout or regulatory sign-off.
Typical applications include industrial control and factory automation equipment, networking and communications interfaces, embedded video or imaging control, test and measurement systems, and embedded signal-processing products. The industrial grade and high I/O count make the device more appropriate for controlled industrial equipment than for compact consumer products with very low pin-count requirements.
Designers should account for the BGA escape-routing rules, power and ground-plane integrity, decoupling placement, configuration-boot requirements, and the high-pin-count manufacturing process. Because the verified listing identifies the package as 484-BBGA, a PCB footprint and assembly process must be checked against the authoritative package drawing. This page combines the verified distributor specifications with engineering guidance and clearly distinguishes documented information from parameters that require the manufacturer datasheet for confirmation.
The information on this page is intended to support early design selection and sourcing. It does not replace the manufacturer datasheet, package drawing, or device-errata documents. For production use, verify revision, lifecycle status, temperature ratings, electrical limits, and programming-tool support against the current Lattice documentation.
直接替換替代品，適用於 LFE2-12E-5F484I — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
LFE2-12E-5FN484I
✅ 直接替換📋 參考替代品（不在目錄中）
LFE2-20E-5F484I
✅ 直接替換聯絡詢價
查看資料表 →LFE2-12E-5F484I 最大額定值與電氣特性
| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Capacity | 12K LUTs |
| Input/Output Count | 297 I/O |
| DSP Support | DSP |
| Core Voltage | 1.2 V |
| Speed Grade | -5 |
| Temperature Grade | Industrial |
| 封裝 | 484-BBGA |
| Package Type | BGA |
| Number of Terminals | 484 |
| Package Shape | Square |
| Terminal Form | Ball |
| 安裝類型 | Surface Mount |
| Programmable Logic | FPGA configuration |
LFE2-12E-5F484I square 腳位配置指南
LFE2-12E-5F484I（square 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： LFE2-12E-5F484I.
請參閱 資料表 以查看完整腳位配置。
典型應用
LFE2-12E-5F484I 適用於 6 應用s: Industrial Control and Automation, Embedded Networking and Communications, Test and Measurement Equipment, Video and Imaging Control, Embedded Signal Processing, Industrial Gateway and Data Acquisition.
Industrial Control and Automation
The LFE2-12E-5F484I fits industrial control modules that need programmable logic alongside a substantial number of external connections. Its 12K LUTs provide capacity for control-state machines, sequencing, interlocks, and communication logic, while 297 I/O can connect sensors, actuators, field-bus transceivers, and status indicators. The documented industrial temperature grade supports use in controlled factory environments, while the 484-BBGA package keeps the pin count manageable on a multilayer board. Before schematic release, confirm the exact I/O standards, power rails, clocking resources, and industrial temperature limits in the Lattice ECP2/M data sheet, then reserve equalized power and ground distribution for the dense BGA footprint.
推薦
Embedded Networking and Communications
The LFE2-12E-5F484I is appropriate for communication equipment requiring modular parallel logic and numerous board-level interfaces. The 297 I/O supports connections among Ethernet PHYs, serial transceivers, memory devices, status registers, and management controllers, while the embedded DSP capability can assist with packet classification or fixed-point filtering when the design maps those operations appropriately. The 1.2 V core and -5 grade are the relevant documented selection points for an industrial communications design. Engineers should use the ECP2/M family documentation to verify supported I/O standards, PLL resources, memory interfaces, and configuration scheme before committing the FPGA to a networking chassis or embedded gateway.
推薦
Test and Measurement Equipment
The LFE2-12E-5F484I can serve as the programmable control and acquisition fabric in test equipment because it combines 12K LUTs, DSP support, and 297 I/O in one device. Those resources can support instrument sequencing, trigger logic, data capture, status multiplexing, and interfaces to converters or communication ports. The 484-BBGA package requires a sophisticated multilayer PCB, but it also provides enough physical connectivity for parallel data buses and multiple peripheral channels. A practical implementation should verify clock-jitter and performance specifications from the manufacturer datasheet, keep high-speed routing short, and create a deterministic configuration path that allows the instrument to enter a known operating state after power-up or a service reset.
推薦
Video and Imaging Control
The LFE2-12E-5F484I can implement control, timing, and data-routing functions for industrial imaging systems. Its 12K LUTs are useful for camera-interface state machines, frame timing, buffer management, and synchronization, while 297 I/O provides connectivity to image sensors, memory, serializers, and host processors. The DSP listing indicates that dedicated arithmetic resources are available for suitable image-processing tasks, although the exact multiplier count and operating modes require confirmation in the ECP2/M family datasheet. Because the verified package is 484-BBGA, layout should prioritize uninterrupted power planes, symmetrical signal escape paths, and assembly-process compatibility rather than treating the device as a conventional perimeter-lead component.
推薦
Embedded Signal Processing
The LFE2-12E-5F484I is suitable for compact control-plus-signal-processing modules because the ECP2 device combines programmable logic with documented DSP capability. Potential tasks include digital filtering, fixed-point arithmetic, modulation support, waveform generation, and protocol-specific signal conditioning. The 12K LUT capacity and 297 I/O allow the FPGA to bridge processing blocks to converters, memory, and communications peripherals rather than acting as an isolated arithmetic engine. Designers should first map the required throughput and precision onto the available DSP resources, then review speed-grade, clock, and I/O specifications in the manufacturer documentation. This prevents a solution that is logically plausible but cannot meet deterministic timing or temperature requirements.
推薦
Industrial Gateway and Data Acquisition
The LFE2-12E-5F484I can serve as the central programmable device in an industrial gateway or data-acquisition unit that combines several serial interfaces, protocol conversion, and local control. Its 297 I/O reduces the need for external glue logic when the board must connect multiple converters, memories, transceivers, and discrete I/O lines. The 12K LUT resource can implement protocol state machines and supervisory logic, while the DSP capability can support selected filtering or data-format operations. The primary engineering constraint is the 484-BBGA implementation: layer count, via-in-pad policy, solder-mask definition, X-ray inspection, and assembly capability must be established before layout release. The device should also be evaluated for lifecycle continuity because comparison data marks the target obsolete.
推薦
推薦產品摘要
工程參考資料，適用於 LFE2-12E-5F484I — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | LFE2-12E-5FN484I | LFE2-20E-5F484I |
|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Device Family | ECP2 | ECP2 | ECP2 |
主要差異化特點
- Documented 12K-LUT configuration with 297 I/O (對比LFE2-20E-5F484I)
- Closely related 484-package ordering option (對比LFE2-12E-5FN484I)
- Industrial-temperature device designation (對比LFE2-12SE-5FN484I)
設計說明
Treat the 484-BBGA as a high-density escape-routing problem. Match the land pattern to the authoritative Lattice package drawing, preserve power and ground-plane continuity beneath the device, and avoid routing sensitive signals through areas with discontinuous return paths. Verify that the PCB manufacturer’s minimum line width, spacing, via, solder-mask, and assembly rules support the selected footprint before schematic release.
Use the manufacturer’s recommended power-supply topology and decoupling arrangement; the verified data confirms a 1.2 V core but does not provide the complete rail list, tolerance, current budget, or capacitor values. Place required bulk and bypass capacitance close to the relevant package balls and check power-up sequencing against configuration requirements. Do not infer the entire supply design from the single 1.2 V listing.
Do not substitute an ECP2 member solely because it has a similar package suffix. Compare the complete ordering table, logic capacity, I/O count, speed grade, temperature grade, configuration scheme, and pin map. The target is also identified as obsolete, so a replacement program should include programmer-file compatibility, timing verification, sourcing traceability, and a documented last-time-buy plan.
The 484-BBGA requires deliberate clock, configuration, and user-I/O planning. Route clocks with short paths and controlled return references, keep configuration inputs away from noisy or high-current switching nodes, and reserve continuous ground references beneath high-speed interfaces. Because no complete pinout was supplied, validate every ball assignment against the official package drawing and device datasheet rather than relying on the visible package name.
合規資訊
The supplied verified snippets identify the device as an industrial-temperature Lattice ECP2 FPGA but do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.
