LFE2-12E-5Q208I - 12K LUT ECP2 FPGA | Lattice Semi
部品番号: LFE2-12E-5Q208I ✓ 生産中LFE2-12E-5Q208I 概要
An FPGA is a reconfigurable semiconductor in which logic, registers, memory and programmable interconnect are configured after manufacture. Within the product hierarchy, the LFE2-12E-5Q208I is an FPGA, specifically a Lattice Semiconductor ECP2 device. Its 12K logic cells provide parallel configurable logic resources, while its 131 I/Os support interfaces to external memory, control signals, communications circuits and application-specific peripherals.
The device operates from a 1.2 V core supply and is specified as a -5 speed-grade component. Its 208-BFQFP package exposes substantially more connection points than smaller FPGA packages, reducing the need for external multiplexing or interface-conversion devices when a design uses numerous external signals. The ECP2 family combines programmable logic with embedded block RAM and DSP resources for designs requiring moderate parallel processing.
The industrial-temperature ordering option supports applications operating across a wider environmental range than a commercial-temperature variant. The -5 designation identifies the device speed grade, making it important to distinguish this part from other ECP2 options that may use different speed grades, temperature grades, package pin counts or package technologies. Configuration, programming and design-tool support must also be checked before replacing a device in an existing design.
Typical applications include industrial control systems, data acquisition, communication interfaces, embedded signal processing, instrumentation and general-purpose programmable logic. Its combination of 12K logic cells, 131 I/Os and a 208-pin package is particularly useful when the board needs substantial parallel connectivity but does not require the capacity or I/O count of a larger FPGA family.
PCB design should follow the manufacturer's 208-BFQFP land pattern, pinout and power-decoupling recommendations. Confirm the exact pin assignments, configuration interface requirements and unused-pin treatment in the manufacturer datasheet before schematic capture or PCB release. A replacement is pin-compatible only when its package, speed grade, voltage requirements and configuration behavior have all been verified.
This page combines the verified ECP2 device characteristics, same-package replacement analysis, comparison parameters and practical implementation guidance. It is intended to help engineers identify the correct FPGA, compare available ECP2 options and plan a controlled conversion or drop-in substitution without overlooking configuration, package or qualification constraints.
ドロップイン代替品: LFE2-12E-5Q208I — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: LFE2-12E-5Q208I （同一形状・フットプリント） — 相違点: Package, Device Type, Speed Grade, Process Technology.
LFE2-12E-5QN208I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
LFE2-12E-5Q208C
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →LFE2-12SE-5Q208I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
LFE2-12E-6QN208I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
LFE2-12E-6Q208I
✅ ドロップイン ⚠️ 仕様未検証価格はお問い合わせください
データシートを見る →LFE2-12E-5Q208I 最大定格＆電気的特性
| Device Type | ECP2 Field-Programmable Gate Array (FPGA) |
| Logic Cells | 12,000 cells |
| Lookup Tables | 12K LUTs |
| User I/O Count | 131 I/Os |
| Embedded Memory | 245 Kb |
| Maximum Frequency | 311 MHz |
| Core Supply Voltage | 1.2 V |
| Process Technology | 90 nm |
| Speed Grade | -5 |
| Temperature Grade | Industrial |
| Maximum Operating Temperature | 100 °C |
| パッケージ | 208-BFQFP |
| ピン数 | 208 pins |
| 実装タイプ | Surface Mount |
| Embedded Block RAM | 226,304 bits |
| Configuration Memory | 12,000 cells |
LFE2-12E-5Q208I 208-bfqfp ピン配置ガイド
LFE2-12E-5Q208I (208-bfqfp パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: LFE2-12E-5Q208I.
詳細は データシート をご参照ください。
主な用途
LFE2-12E-5Q208I の用途: 6 件s: Industrial Control and Automation, Data Acquisition and Instrumentation, Communication Interface Consolidation, Embedded Signal Processing, Programmable Security and Control, LED and Display Control.
Industrial Control and Automation
The LFE2-12E-5Q208I suits programmable machine-control logic because its 12K LUTs can implement parallel control paths, timers, state machines and communication handling while 131 I/Os connect sensors, actuators and machine interfaces. The 208-BFQFP package reduces the need for external I/O expansion when several isolated or multiplexed channels must reach the FPGA. Its 311 MHz maximum frequency supports demanding control and supervision architectures, while the industrial ordering grade suits equipment operating beyond commercial temperature limits. Validate each signal's I/O standard, voltage tolerance and bank-supply requirement in the manufacturer pin table.
おすすめ
Data Acquisition and Instrumentation
The LFE2-12E-5Q208I is appropriate for instrumentation that must collect, filter or format multiple signals because its 12K LUTs and 12,000 logic cells support parallel data paths and control sequencing. With 131 user I/Os, the device can accommodate parallel ADC or DAC interfaces, control signals and status lines without immediately requiring a larger package. The 245 Kb of embedded memory supports buffering, calibration tables and working data. The 1.2 V core and 311 MHz maximum frequency enable timing-efficient pipeline processing, but analog front-end accuracy, sampling architecture and clock jitter remain separate system-level design considerations.
おすすめ
Communication Interface Consolidation
The LFE2-12E-5Q208I can consolidate protocol conversion, framing and data-routing functions in communication equipment. Its 12K LUTs provide enough parallel logic for multiple interface channels or a configurable protocol engine, while 131 I/Os support external transceivers, memories and control signals. The 208-pin package offers a direct connection to systems requiring many individually routed digital lines. At a maximum frequency of 311 MHz, the device can process synchronous traffic efficiently, although selected I/O standards, clocking scheme, input timing, output timing and board-level signal integrity must be verified for the specific interface.
おすすめ
Embedded Signal Processing
The LFE2-12E-5Q208I fits moderate DSP, filtering and waveform-generation tasks that benefit from parallel FPGA implementation. The device combines 12K LUTs with embedded memory and DSP capability, enabling streaming architectures that process samples concurrently instead of relying on sequential instruction execution. Its 311 MHz maximum frequency provides substantial timing headroom for common control and signal-processing pipelines, while the 131-I/O count supports converters, memory devices and synchronization signals. Designers should use actual ECP2 resource mapping to confirm DSP and memory availability, and should account for clock skew, timing closure and I/O voltage constraints.
おすすめ
Programmable Security and Control
The LFE2-12E-5Q208I can implement protocol authentication, access control, data comparison and logging logic where hardware parallelism improves responsiveness. Its 12K LUTs can support multiple concurrent checks, while 131 I/Os provide connections to sensors, secure storage, communication transceivers and supervisory controls. The 245 Kb of embedded memory is useful for counters, buffers and lookup data, and the -5 speed grade provides a defined timing class for industrial systems. A secure design should still include protected configuration handling, appropriate device-programming controls, external tamper measures and a reviewed fail-safe strategy.
おすすめ
LED and Display Control
The LFE2-12E-5Q208I is suitable for refreshing displays, driving LED matrices and coordinating illumination effects because its parallel logic resources can scan multiple channels and perform timing generation in hardware. The 131 user I/Os reduce the need for cascaded serial-to-parallel expansion when displays require many direct digital connections. The 12K LUTs allow display timing, pixel mapping and animation logic to operate concurrently, and the 311 MHz maximum frequency provides ample margin for many scan architectures. Designers must confirm drive-current requirements, grounding, refresh-rate targets and whether an external constant-current driver or level shifter is necessary.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: LFE2-12E-5Q208I — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | LFE2-12E-5QN208I | LFE2-12E-5Q208C | LFE2-12SE-5Q208I | LFE2-12E-6QN208I | LFE2-12E-6Q208I |
|---|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | 208-BFQFP | 208-BFQFP - same package | 208-BFQFP - same package | 208-BFQFP - same package | 208-PQFP - same pin-count package | 208-BFQFP - same package |
| Logic Capacity | 12K LUTs / 12,000 cells | 12K LUTs / 12,000 cells | 12K LUTs / 12,000 cells | 12,000 cells | 12K LUTs | 12K LUTs |
| User I/O Count | 131 I/Os | 131 I/Os | 131 I/Os | 131 I/Os | 131 I/Os | 131 I/Os |
| 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 | -5 | -5 | -6 | -6 |
| Temperature Grade | Industrial | Industrial | Commercial | Industrial | Industrial | Industrial |
主な差別化要因
- Closest identified package-compatible replacement （vs LFE2-12E-5QN208I)
- Industrial-temperature choice over commercial alternative （vs LFE2-12E-5Q208C)
- Defined -5 timing class with higher-grade alternatives available （vs LFE2-12E-6QN208I)
設計ノート
Use the manufacturer 208-BFQFP land pattern and pinout without substituting a generic 208-pin footprint. Place the 1.2 V core supply and its decoupling network directly beside the relevant power and ground pins, with a ground plane distributed beneath the device. Route configuration signals away from high-speed interfaces and preserve the manufacturer's guidance for unused pins. A CAD library check should include body dimensions, lead span, pin-one orientation and exposed thermal or thermal-tie features if present.
Do not size the supply only from the FPGA core voltage. The ECP2 device requires correct sequencing, voltage levels and decoupling for core and I/O supplies, while the 131 user I/Os create additional dynamic-current demand as interfaces switch. Use a resource-specific power estimate with realistic toggle rates, pin-state assumptions and clock activity. Validate startup behavior and supply tolerance against the ECP2/M Family Data Sheet before committing to regulator and capacitor selections.
Clock quality, external memory interfaces and high-speed I/O require disciplined routing in the 208-pin package. Prefer the manufacturer-recommended clock input and bank-placement rules, keep sensitive nets away from noisy digital paths, and use matched termination where specified. After layout, run signal-integrity and timing checks using the actual PCB stack-up and loading. A device maximum frequency of 311 MHz does not guarantee that every board interface closes timing without suitable constraints.
Treat every ordering suffix as part of the device specification. The I target is industrial temperature, the C alternative is commercial temperature, and -5 and -6 identify different speed grades. A mechanically compatible replacement can still be unsuitable if its configuration behavior, marking, power profile, temperature range or qualification differs. Verify the exact MPN on the manufacturer ordering guide and compare the complete datasheet before approving a substitution for production.
コンプライアンス情報
No exact-ordering-code compliance declarations were identified. Request current RoHS, REACH, lead-free, halogen-free and conflict-minerals documentation for LFE2-12E-5Q208I with the quotation.
