LFE2-12E-5T144I - 12K LUT ECP2 FPGA | Lattice Semiconductor
MPN： LFE2-12E-5T144I ✓ 啟用中LFE2-12E-5T144I 概覽
An FPGA is a configurable digital semiconductor whose interconnect and logic resources are programmed after manufacture. Within the product hierarchy, the LFE2-12E-5T144I is an FPGA, a programmable-logic device, and a semiconductor. Its configurable architecture allows parallel interfaces, control logic, signal conditioning, protocol handling, and data-processing functions to be consolidated into one device instead of using multiple fixed-function integrated circuits.
The principal device figures are 12K LUTs, 93 I/O, and a 144-pin TQFP package. The -5 ordering code identifies the performance grade, while the I suffix identifies the industrial temperature option. A 1.2 V core supports low-voltage digital operation, and the device includes DSP resources for designs requiring dedicated multiplication, filtering, waveform generation, or other arithmetic processing.
The ECP2 architecture supports implementation flexibility for control systems, communication interfaces, sensor acquisition, and general-purpose embedded logic. Its 93 I/O provide substantial board-level connectivity in a 144-pin package, reducing the need for external interface logic when pin resources and speed requirements fit the target design. Configuration storage, clocking, JTAG programming, and operating limits should be verified against the Lattice manufacturer documentation for the selected board and system configuration.
Typical uses include industrial automation controllers, RS-485 and RS-232 protocol bridges, multichannel measurement systems, audio and waveform processors, embedded communications equipment, and compact control modules. The FPGA is especially useful when several parallel data paths must be coordinated deterministically or when a product family must adapt to changing interface requirements through programmable logic.
PCB implementation requires strict attention to the 144-pin TQFP footprint, power and ground distribution, decoupling, clock routing, and high-speed signal integrity. Confirm pin assignments, configuration pins, supported clock sources, and interface voltage levels in the manufacturer pinout table before schematic capture. Programming should also include the correct bitstream and suitable JTAG configuration path for the assembled board.
This product summary consolidates the core device identity, ordered speed and temperature options, package details, application guidance, and compatible family alternatives into one engineering-focused reference for FPGA design and component sourcing.
直接替換替代品，適用於 LFE2-12E-5T144I — 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。
此系列的變體
與下列產品可直接替換的同系列型號： LFE2-12E-5T144I （相同外形與佔位） — 差異在於 Package, Speed Grade.
LFE2-12E-5TN144I
✅ 直接替換📋 參考替代品（不在目錄中）
LFE2-12E-6T144I
✅ 直接替換聯絡詢價
查看資料表 →LFE2-12SE-5T144I
✅ 直接替換📋 參考替代品（不在目錄中）
LFE2-12SE-7TN144C
✅ 直接替換📋 參考替代品（不在目錄中）
LFE2-12E-6TN144I
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
LFE2-12E-5T144I 最大額定值與電氣特性
| Device Type | ECP2 field-programmable gate array (FPGA) |
| Logic Capacity | 12K LUTs |
| Equivalent Logic Cells | 12,000 cells |
| User I/O Count | 93 I/O |
| DSP Resources | 1 DSP block |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -5 |
| Temperature Grade | Industrial |
| 封裝 | 144-pin TQFP |
| Package Family | TQFP-144 LQFP surface-mount package |
| 安裝類型 | Surface mount |
| FPGA Technology | 90 nm |
| Programming Interface | JTAG |
LFE2-12E-5T144I tqfp-144 lqfp surface-mount package 腳位配置指南
LFE2-12E-5T144I（tqfp-144 lqfp surface-mount package 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-5T144I.
請參閱 資料表 以查看完整腳位配置。
典型應用
LFE2-12E-5T144I 適用於 6 應用s: Industrial Automation Controllers, RS-485 and RS-232 Protocol Bridges, Multichannel Measurement and Data Acquisition, Audio and Waveform Processing, Embedded Communications Equipment, Compact Control and Security Modules.
Industrial Automation Controllers
The LFE2-12E-5T144I suits compact industrial controllers that combine parallel machine I/O with deterministic timing and industrial-temperature requirements. Its 12K LUTs can host state machines, interlocks, counters, communication framing, and motion-control logic, while 93 I/O reduce the need for external glue logic. The 1.2 V core supports modern low-voltage FPGA architectures without requiring a separate processor for every control function. Use the manufacturer pinout to map field-bus and sensor signals to compatible I/O banks, and validate timing against the -5 speed grade before closing the system clocking plan.
推薦
RS-485 and RS-232 Protocol Bridges
The LFE2-12E-5T144I can implement protocol conversion, command parsing, checksum generation, and buffering between serial interfaces. Its 12K LUTs and one DSP block provide more logic capacity than a basic programmable logic device, allowing multiple channels and a supervisory state machine to share one FPGA. The 144-pin TQFP package offers 93 I/O for parallel host connections, status signals, and external memory. Validate voltage levels on each serial channel and keep transceiver direction control deterministic to prevent bus contention.
推薦
Multichannel Measurement and Data Acquisition
The LFE2-12E-5T144I is appropriate for sensor-acquisition systems that require parallel ADC control, digital filtering, calibration tables, and data packing. Its 12K LUTs can coordinate multiple converters, while the DSP block can accelerate multiply-accumulate operations used in filtering and scaling. The 93 I/O provide ample connections for converter clocks, data buses, control lines, status indicators, and external nonvolatile memory. Establish analog and digital partitioning carefully so switching converters and high-speed ADC clocks do not disturb sensitive measurement circuitry.
推薦
Audio and Waveform Processing
The LFE2-12E-5T144I can perform digital filtering, sample-rate conversion assistance, waveform generation, and interface bridging in audio equipment. Its DSP block is useful for multiply-accumulate filtering, while the remaining LUT capacity supports control, clock division, and buffer management. The 144-pin TQFP package gives a compact implementation with 93 I/O for codec signals and control lines. Clock the FPGA from a low-jitter source when signal quality depends on a stable sampling reference, and keep the codec interface within the voltage and timing limits of the selected bank.
推薦
Embedded Communications Equipment
The LFE2-12E-5T144I is useful in network-interface, protocol-conversion, and embedded communications modules where parallel data must be transformed into serial traffic. The FPGA can maintain packet framing, flow control, error checking, and timing relationships while external transceivers handle the physical layer. Its 12K LUTs allow control logic to coexist with the data path, and 93 I/O support external memory and parallel host buses. Confirm all interface voltage standards, implement clock-domain crossings conservatively, and validate signal integrity on high-speed links before environmental testing.
推薦
Compact Control and Security Modules
The LFE2-12E-5T144I can implement authentication routines, key-locking logic, command filters, or access-control functions in a compact programmable module. The one DSP block supports finite-state-machine processing and selected arithmetic operations, while 12K LUTs provide room for peripheral bridges and status logic. The 144-pin TQFP package supports compact board construction without sacrificing I/O availability. For security-critical equipment, add external tamper controls and protected key storage, and verify the FPGA configuration path against the system threat model.
推薦
推薦產品摘要
工程參考資料，適用於 LFE2-12E-5T144I — 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-5TN144I | LFE2-12E-6T144I | LFE2-12SE-5T144I | LFE2-12SE-7TN144C | LFE2-12E-6TN144I |
|---|---|---|---|---|---|---|
| Package | 144-pin TQFP | 144-pin TQFP | 144-pin TQFP | 144-pin TQFP | 144-pin TQFP | 144-pin TQFP |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Device Family | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 |
| Core Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Speed Grade | -5 | -5 | -6 | -5 | -7 | -6 |
| FPGA Technology | 90 nm | 90 nm | 90 nm | 90 nm | 90 nm | 90 nm |
主要差異化特點
- Industrial-temperature ordering option (對比LFE2-12SE-7TN144C)
- Higher speed option available in the same footprint (對比LFE2-12E-5T144I)
- Standard 12E configuration with one DSP block (對比LFE2-12SE-5T144I)
設計說明
Use the manufacturer 144-pin TQFP land pattern and verify pin-1 orientation against the PCB CAD library. TQFP leads are closely spaced, so enforce the fabricator's minimum width and clearance rules. Keep sensitive clock and configuration traces away from high-current switching paths, and provide continuous ground planes wherever the package footprint allows.
Separate the 1.2 V core supply from I/O supplies and place local high-frequency decoupling close to the corresponding power and ground pins. Check the manufacturer power-sequencing table before combining external transceivers and memory. Account for simultaneous I/O switching current because a design that is stable at static power may fail only during high-activity data transfers.
Route clocks as short and continuous as possible, provide a defined return path beneath each high-speed trace, and avoid stubs or unnecessary test pads. Use the -5 timing grade margins from the manufacturer timing tables for external memory and transceiver interfaces. If timing closure is difficult, evaluate LFE2-12E-6T144I with the same 144-pin footprint rather than changing the board layout.
Do not select a family member solely from the LUT count and package. Confirm the E versus SE configuration, speed grade, temperature suffix, packing suffix, supported I/O standards, and configuration requirements. The 144-pin package variants LFE2-12E-5Q208C and LFE2-12E-5F484I are not footprint-compatible because they use 208-pin and 484-pin packages.
合規資訊
The industrial-temperature ordering option is identified by the I suffix, but no specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration is stated in the product information. Confirm environmental and automotive requirements with the manufacturer before qualification.
