LFE2-12E-5F484C - 12K LUT FPGA, 297 I/O | Lattice Semiconductor
料号： LFE2-12E-5F484C ✓ 量产中LFE2-12E-5F484C 概述
A field-programmable gate array is a programmable logic device that combines programmable logic blocks, embedded memory, DSP resources, and general-purpose I/O in one device. In the product hierarchy, an FPGA is a programmable logic semiconductor used to implement parallel processing, control logic, interface bridging, and hardware acceleration. The ECP2 family sits between small CPLDs and larger FPGAs, offering substantially more logic and I/O capacity for communications, industrial control, networking, and embedded signal-processing systems.
Principal features of the LFE2-12E-5F484C include 12K LUTs, 12,000 logic cells, 297 user I/O, and dedicated DSP capability. The 484-pin FBGA package supports dense board routing and high external interface counts, while the -5 speed grade identifies the device's performance class. The 1.2 V core supply is suited to systems that distribute low-voltage digital rails close to the FPGA. The source data also identifies tray packaging for this ordering code.
Within the ECP2/M family, the same 484-ball footprint is used across speed, temperature, and grade suffixes. Ordering-code changes can therefore affect device qualification and timing characteristics rather than only commercial availability. Engineers should compare the exact suffix, supported I/O standards, configuration method, embedded memory, and timing constraints before substituting a related device.
Typical uses for this FPGA include industrial control and automation, networking and communications equipment, embedded video or data acquisition, protocol conversion, and DSP-assisted signal processing. The 297 available I/O make it suitable for designs carrying multiple buses, high-speed transceivers, memory interfaces, and control signals.
When designing a PCB around the LFE2-12E-5F484C, follow the Lattice ECP2/M Family Data Sheet for the exact 484-ball pattern, power rails, decoupling requirements, configuration pins, and BGA layout. Because the verified source excerpts do not provide a complete ball-map or verified unit prices, detailed land patterns, I/O standards, and pricing must be confirmed against the manufacturer documentation and authorized distributor quotations.
直接替换替代料： LFE2-12E-5F484C ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LFE2-12E-5F484C （相同外形与封装尺寸） ——差异在于 Logic Cells, Speed Grade.
LFE2-12E-5FN484C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12E-6F484C
✅ 直接替换联系询价
查看数据手册 →LFE2-12E-6F484I
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12SE-5F484C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12E-5FN484I
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12E-5F484C 最大额定值与电气特性
| Product Type | Field-Programmable Gate Array (FPGA) |
| FPGA Family | LatticeECP2 |
| Lookup Tables | 12K LUTs |
| Logic Cells | 12000 cells |
| User I/O | 297 I/O |
| DSP Capability | Yes |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -5 |
| Process Technology | 90 nm |
| 封装 | 484-pin FBGA |
| Terminals | 484 terminals |
| Terminal Form | Ball |
| Package Shape | Square |
| 安装类型 | Surface mount |
| Shipping Format | Tray |
| Temperature Grading | Other |
| Programmable Logic | Configurable LUT-based FPGA logic |
LFE2-12E-5F484C square 引脚配置指南
LFE2-12E-5F484C（square 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： LFE2-12E-5F484C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LFE2-12E-5F484C 适用于 6 应用s: Industrial Control and Automation, Networking and Communication Interfaces, DSP-Assisted Signal Processing, Data Acquisition and Parallel ADC Interface, Embedded Video and Display Control, Secure Embedded Control and Cryptographic Support.
Industrial Control and Automation
The LFE2-12E-5F484C fits industrial controllers that need substantial parallel logic and many external connections without a high-end FPGA. Its 12,000 logic cells and 12K LUTs can implement sequencers, interlocks, counters, motion-control interfaces, and machine-vision control paths, while 297 user I/O support multiple buses and discrete inputs. The device operates from a 1.2 V core and is available in a 484-pin FBGA for dense routing. The principal engineering qualification is the exact temperature and qualification suffix, which must be confirmed before using it in a factory environment.
推荐
Networking and Communication Interfaces
The LFE2-12E-5F484C is appropriate for protocol conversion, bridge functions, and data-routing modules where parallel logic must terminate several external interfaces. The 297 user I/O provide capacity for multiple byte-wide data paths, transmit and receive control, flow signaling, and status LEDs. Its 12K LUT budget allows control-plane state machines and framing logic to coexist with datapath functions, while the 1.2 V core fits low-voltage digital rails. A production design must verify the supported I/O standards and high-speed timing for the selected ECP2 grade in the family data sheet.
推荐
DSP-Assisted Signal Processing
The LFE2-12E-5F484C can support DSP-assisted filtering, conditioning, and sampling workloads because the ECP2 device is explicitly listed with DSP capability. The 12K LUT count accommodates control, counter, and data-movement logic around the arithmetic resources, while 297 I/O leaves room for parallel converters, memory devices, and capture logic. The 1.2 V core supply also allows the FPGA to sit in a partitioned low-voltage rail. Clocking strategy, embedded-memory inference, and final throughput should be evaluated in the Lattice implementation tools rather than estimated from LUT count alone.
推荐
Data Acquisition and Parallel ADC Interface
The LFE2-12E-5F484C is well matched to parallel data-acquisition systems that must capture multiple converter outputs and perform digital filtering or buffering. Its 297 user I/O can accommodate wide parallel buses and associated clock and control signals, and the 12K LUT count provides parallel-to-serial or formatting logic between converters and a serial processor. The device's 1.2 V core operation can simplify rail planning near low-voltage converters. Engineers should confirm usable I/O voltage, bank restrictions, timing, and clock-jitter tolerance directly from the ECP2 family documentation.
推荐
Embedded Video and Display Control
The LFE2-12E-5F484C can serve as a timing controller, interface bridge, or auxiliary processor in embedded display and imaging equipment. Its 12K LUTs and 297 I/O provide enough parallel resources for timing generation, character handling, graphics pre-processing, and control of external memory or display devices. The 484-pin FBGA supports compact, high-density routing on multilayer PCBs, and the 1.2 V core helps centralize low-voltage digital sequencing. Actual pixel throughput, memory interface support, and video timing must be verified against the selected device's implemented features and speed grade.
推荐
Secure Embedded Control and Cryptographic Support
The LFE2-12E-5F484C is suitable for embedded security controllers that combine protocol logic, state management, and dedicated DSP-assisted processing. The 12K LUT resource allows firmware-controlled bit manipulation and control-plane logic to coexist with hardware pipelines, while 297 I/O provide connectivity to secure elements, nonvolatile memory, and external interfaces. Its 1.2 V core can operate alongside dedicated 1.2 V digital domains. For cryptographic deployment, use Lattice-supported implementations and confirm that the required algorithm, key-handling architecture, timing, and certification expectations fit the design and organizational security requirements.
推荐
推荐产品汇总
工程参考数据： LFE2-12E-5F484C ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LFE2-12E-5FN484C | LFE2-12E-6F484C | LFE2-12E-6F484I | LFE2-12SE-5F484C | LFE2-12E-5FN484I |
|---|---|---|---|---|---|---|
| Package | 484-pin FBGA | 484-pin FBGA | 484-pin FBGA | 484-pin FBGA | 484-pin FBGA | 484-pin FBGA |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| FPGA Family | LatticeECP2 | LatticeECP2 | LatticeECP2 | LatticeECP2 | LatticeECP2 | LatticeECP2 |
| Lookup Tables | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs |
| User I/O | 297 I/O | 297 I/O | 297 I/O | 297 I/O | 297 I/O | 297 I/O |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Speed Grade | -5 | -5 | -6 | -6 | -5 | -5 |
关键差异点
- Closest documented same-family alternative （对比 LFE2-12E-5FN484C)
- Higher-speed upgrade path （对比 LFE2-12E-6F484C)
- Substantial external connectivity （对比 LFE2-12E-5FN484I)
设计说明
Plan the 1.2 V core rail separately from user-I/O supplies and follow the decoupling values and sequencing requirements in the LatticeECP2/M Family Data Sheet. Place the regulator and high-frequency decoupling close to the device power balls to reduce supply droop during configuration and high switching activity. The supplied excerpts do not state the complete power-supply topology, current limits, or bank voltage tolerances, so these values must be taken from the manufacturer documentation rather than estimated.
Route the 484-ball FBGA footprint on a multilayer PCB using the manufacturer-recommended via, pad, and solder-mask geometry. Separate sensitive clock and configuration inputs from noisy outputs where practical, and provide short return paths beneath the device. Because the verified data identifies only the 484-pin square BGA package and does not provide its detailed ball map or land pattern, PCB artwork must be checked directly against the current package drawing and assembly guidelines.
Do not substitute solely on the 484-ball package and LUT count. ECP2 ordering suffixes can select different speed grades, temperature grades, qualification levels, or commercial statuses, and the -6 alternatives therefore require complete timing and grade validation. Before releasing a migration, compare the Lattice ordering guide, confirm configuration support and I/O standards, recompile the design, and rerun static timing analysis using the actual replacement speed grade.
Clock quality and I/O drive strength can materially limit achievable performance even when the logic design fits the 12K LUT capacity. Use a low-jitter clock source, keep clock routing short and controlled-impedance, and verify source-synchronous interfaces against the selected -5 speed grade. The 297 user I/O figure describes capacity rather than guaranteed simultaneous high-rate operation, so bank restrictions and package-level timing constraints must be checked for every implemented interface.
合规信息
The supplied web excerpts confirm device identity, family, logic resources, package, speed, and supply voltage but do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These attributes must be confirmed on the current manufacturer product page or declaration of compliance.
