LFE2-12E-6T144I - 12K LUT FPGA, 93 I/O | Lattice
料号： LFE2-12E-6T144I ✓ 量产中LFE2-12E-6T144I 概述
An FPGA is a programmable semiconductor whose logic, routing, and memory resources can be configured after manufacture. The ECP2 family sits within the broader FPGA and programmable-logic hierarchy, combining programmable logic blocks, embedded block RAM, dedicated DSP resources, and user I/O in a single device. This makes it useful where a fixed application-specific IC would be inflexible or where a microcontroller lacks the required parallel processing capability.
The ECP2 architecture provides 12,000 logic elements, 93 user I/O, and 226,304 bits of RAM for parallel datapaths, control logic, signal conditioning, and protocol bridging. A listed DSP block supports arithmetic-intensive digital signal processing, while the 144-LQFP package exposes a larger number of connections than a small leadless package and simplifies assembly on conventional through-hole-compatible PCB land patterns.
The -6 designation identifies the device speed grade, while the industrial-temperature ordering option supports systems requiring extended commercial-temperature operation. A nominal 1.2 V core voltage is supported by a stated core range of 1.14 V to 1.26 V. These characteristics place the device between small low-density PLDs and larger FPGAs requiring substantial block RAM, high-speed serial links, or hard processor cores.
Typical uses include industrial interface conversion, data acquisition, digital signal processing, embedded control, communications glue logic, and FPGA-based sensor processing. The 93 available I/O are valuable for parallel sensors, counters, displays, memory interfaces, and multi-bit data buses, while embedded RAM can buffer samples or implement deterministic state machines.
Designers should verify the exact pin assignments, configuration interface requirements, supported I/O standards, and bank power constraints in the manufacturer datasheet before layout. Decoupling, configuration startup, clocking, and JTAG access also require careful PCB planning, particularly when high-speed outputs or external memories are connected.
This page combines device specifications, package information, same-package migration options, application guidance, and practical design notes to support component selection, schematic review, and PCB planning for the LFE2-12E-6T144I.
直接替换替代料： LFE2-12E-6T144I ——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-6T144I （相同外形与封装尺寸） ——差异在于 Device Type, Package, Speed Grade.
LFE2-12E-6TN144I
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12SE-5TN144I
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12SE-5T144C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12SE-7TN144C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-12E-6T144I 最大额定值与电气特性
| Device Type | ECP2 field-programmable gate array (FPGA) |
| Logic Elements | 12,000 elements |
| Lookup Table Capacity | 12K LUTs |
| User I/O | 93 I/O |
| Total RAM | 226,304 bits |
| DSP Resources | 1 DSP block |
| Nominal Core Voltage | 1.2 V |
| Core Voltage Range | 1.14 V to 1.26 V |
| Speed Grade | -6 |
| Temperature Grade | Industrial |
| 封装 | 144-LQFP |
| 引脚数量 | 144 pins |
| 安装类型 | Surface mount |
| Logic Cell Count | 12,000 cells |
| Programming Technology | SRAM-based programmable logic |
LFE2-12E-6T144I 144-lqfp 引脚配置指南
LFE2-12E-6T144I（144-lqfp 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-6T144I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LFE2-12E-6T144I 适用于 6 应用s: Industrial Control Systems, Parallel Data Acquisition, Digital Signal Processing, Communication Interface Bridging, Programmable Logic and Timing, Embedded Sensor Processing.
Industrial Control Systems
The LFE2-12E-6T144I fits industrial controllers that combine deterministic control logic with numerous discrete inputs and outputs. Its 12,000 logic elements can implement state machines, sequencing, interlocks, counters, and communication protocols, while 93 user I/O provide substantial connectivity for sensors, actuators, relays, and human-interface boards. The -6 speed grade offers additional timing margin over a -5 device, and the industrial-temperature ordering option suits equipment operating beyond standard commercial conditions. Use the device beside a microcontroller for cyclic control when parallel logic reduces host overhead, and verify every bank supply and I/O standard against the manufacturer pin table before assigning external signals.
推荐
Parallel Data Acquisition
The LFE2-12E-6T144I is suitable for acquiring and conditioning parallel sensor data because 12,000 logic elements can implement timing, filtering, channel interleaving, and data-format conversion while 226,304 RAM bits provide local buffering. The 93 user I/O support counters, parallel buses, comparator outputs, and digital sensor connections without relying on a large external interface controller. The 1.14 V to 1.26 V core range gives designers a defined internal supply condition, while the -6 grade can improve timing margin for pipelined datapaths. Validate acquisition bandwidth, input thresholds, clock jitter, and I/O voltage limits in the target system before finalizing the analog front end.
推荐
Digital Signal Processing
The LFE2-12E-6T144I can implement DSP functions in parallel with control and interface logic. Its one listed DSP block accelerates suitable multiply-accumulate operations, while 12,000 logic elements provide pipeline stages, filters, coefficient handling, and clocking. The 226,304 RAM bits allow local sample and coefficient storage for designs that do not require a large external memory. The -6 speed rating is useful when the design must close timing at higher clock frequencies than a -5 grade. Confirm the exact multiplier, accumulator, and memory capabilities in the ECP2 architecture documentation, because the generic DSP count does not describe every supported arithmetic configuration.
推荐
Communication Interface Bridging
The LFE2-12E-6T144I is appropriate for bridging parallel and serial interfaces when deterministic hardware timing is preferred over a software-driven peripheral. The 93 I/O can support parallel data buses, control signals, byte-lane multiplexing, and protocol conversion, while the embedded RAM absorbs short bursts and performs FIFO operations. A 12K-LUT ECP2 device leaves enough programmable logic for clock conversion, framing, checksums, and supervisory state machines. The -6 grade provides timing margin for moderately demanding word pipelines, but final interoperability depends on the external transceiver, connector, and protocol timing. Verify I/O-bank voltage compatibility and supported electrical standards before layout release.
推荐
Programmable Logic and Timing
The LFE2-12E-6T144I works well as programmable glue logic between sensors, memory, converters, and a host processor. Its 12,000 logic elements can absorb asynchronous input synchronization, pulse shaping, address decoding, timing sequencing, and status multiplexing, reducing deterministic tasks handled by the host CPU. With 93 user I/O and 226,304 RAM bits, the device can also implement small FIFO buffers and protocol buffers without a second logic device. The -6 speed grade can ease timing closure on moderately wide buses. Treat the FPGA configuration interface and startup behavior as part of the system design, including deterministic startup requirements and recovery after power loss.
推荐
Embedded Sensor Processing
The LFE2-12E-6T144I can preprocess sensor streams before transferring results to a microcontroller or higher-level processor. Parallel ADC outputs, digital sensor buses, counters, and threshold signals can be captured using the 93 user I/O, while programmable logic performs calibration, filtering, feature extraction, and event classification. The 226,304 RAM bits are useful for short sample windows or multi-channel buffering, and the DSP block supports suitable arithmetic operations. The -6 speed grade provides additional timing margin for pipelined processing relative to -5. Check the sensor timing, clock-jitter requirements, input thresholds, and power budget, and ensure the configuration method supports the product’s intended update and recovery behavior.
推荐
推荐产品汇总
工程参考数据： LFE2-12E-6T144I ——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-6TN144I | LFE2-12SE-5TN144I | LFE2-12SE-5T144C | LFE2-12SE-7TN144C |
|---|---|---|---|---|---|
| Brand | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation |
| Package | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP | 144-LQFP |
| Logic Elements | 12,000 elements | 12,000 elements | 12,000 elements | 12,000 elements | 12,000 elements |
| LUT Capacity | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs |
| User I/O | 93 I/O | 93 I/O | 93 I/O | 93 I/O | 93 I/O |
| Total RAM | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits |
| DSP Block Count | 1 DSP block | 1 DSP block | 1 DSP block | 1 DSP block | 1 DSP block |
| Speed Grade | -6 | -6 | -5 | -5 | -7 |
关键差异点
- Uses the -6 speed grade within the 12K-LUT ECP2 family （对比 LFE2-12SE-5TN144I)
- Retains the full 144-LQFP footprint while offering direct ordering-code comparison （对比 LFE2-12E-6TN144I)
- Provides a lower timing-demand alternative for cost-sensitive or relaxed designs （对比 LFE2-12SE-5T144C)
- Supports timing margin without changing logic density or package （对比 LFE2-12SE-7TN144C)
设计说明
Use the manufacturer 144-LQFP land pattern and follow the device-specific pin table rather than a generic 144-pin footprint. Place all configuration pins and their pull components exactly as shown in the ECP2 reference design. Review bank supply assignments, decoupling placement, and exposed programming-test access before routing. Because the LQFP has fine-pitch leads on all four sides, inspect the PCB for solder bridges and confirm the assembly process can handle the stated lead pitch.
Plan separate core and I/O supply distributions according to the manufacturer power-supply diagram. The stated core range is 1.14 V to 1.26 V around a nominal 1.2 V, so verify regulator tolerance, transient response, startup ramp, and sequencing against that range. Place the required bulk and bypass capacitors close to their designated supply pins and include adequate return paths. Do not assume that a common 1.2 V rail can safely power every I/O bank.
Assign external interfaces to banks whose voltage and supported I/O standards match the attached circuitry. Add series termination where the ECP2 family guidance recommends it, and keep clocks away from high-speed data and configuration routing. For externally sourced clocks, validate jitter and duty-cycle requirements in the timing analysis. The 93 user I/O do not imply that every pin supports every voltage, standard, or high-speed feature.
Do not treat the T and TN suffixes as identical without checking the manufacturer ordering guide, because the ordering code can encode temperature or packing treatment. Similarly, -5, -6, and -7 are distinct speed grades and must be included in timing analysis. Confirm the configured design can be loaded through the intended programming path and that the system defines behavior when configuration data is absent or invalid after power-up.
合规信息
No specific environmental or material-compliance declarations are stated in the product information. The industrial-temperature designation does not by itself establish AEC-Q100 qualification.
