LFE2-6E-7TN144C - 6K LUT ECP2 FPGA | Lattice Semiconductor
料号： LFE2-6E-7TN144C ✓ 量产中LFE2-6E-7TN144C 概述
An FPGA is a semiconductor whose digital behavior is defined after fabrication by loading a configuration bitstream. Within the product hierarchy, the LFE2-6E-7TN144C is a field-programmable gate array, a parallel programmable-logic device, and an FPGA within Lattice Semiconductor's ECP2 family. Unlike a fixed-function logic IC, an FPGA can implement parallel processing, control, communication, signal-conditioning, and data-capture functions in one device, reducing external component count when several independent logic blocks are required.
The device's 6,000-cell ECP2 architecture provides about 6K LUTs for combinational and sequential logic, while 90 I/O positions provide substantial board-level connectivity. DSP capability supports designs involving multiplication, accumulation, filtering, and fixed-point signal processing. The 1.2 V core supply and -7 speed designation place the part in an ECP2 configuration optimized for compact, cost-sensitive programmable-logic systems requiring a large number of package pins.
A 144-pin TQFP provides more I/O than smaller ECP2 packages, making this device useful when external interfaces, parallel buses, memory connections, or multiple high-speed signals dominate the design. The 20 x 20 mm body remains larger than a compact QFN package, but its exposed lead geometry supports conventional PCB assembly, inspection, and rework. Design teams should use the manufacturer pin table and package drawing to assign every power, ground, configuration, clock, and user I/O connection.
Typical applications include parallel data acquisition, industrial control and automation, embedded protocol bridging, sensor aggregation, digital signal processing, general-purpose control logic, and communication-interface consolidation. Its combination of programmable logic, DSP support, 90 I/O, and a 144-pin package is particularly useful when a design must implement several bus interfaces or acquisition channels around a common control engine.
The principal design considerations are power sequencing, configuration management, clock integrity, I/O voltage compatibility, and PCB routing density. Confirm that every connected peripheral uses compatible voltage levels, place configuration and decoupling networks according to the manufacturer reference design, and use controlled clock routing for timing-sensitive interfaces. Although alternatives exist in the same ECP2 family, speed grade and temperature suffix differences can alter interchangeability.
This product page consolidates the exact device identity, package information, technical comparisons, and practical replacement guidance into one engineering-focused reference. It also distinguishes true same-package ECP2 alternatives from parts that differ in speed grade, temperature grade, or package designation, helping PCB designers make informed decisions without assuming that every similarly named FPGA is interchangeable.
直接替换替代料： LFE2-6E-7TN144C ——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： LFE2-6E-7TN144C （相同外形与封装尺寸） ——差异在于 Device Type, Package, Speed Grade, Logic Cells, DSP Capability.
LFE2-6E-7T144C
✅ 直接替换联系询价
查看数据手册 →LFE2-6E-6TN144C
✅ 直接替换联系询价
查看数据手册 →LFE2-6E-6TN144I
✅ 直接替换联系询价
查看数据手册 →LFE2-6SE-7TN144C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-6SE-5TN144C
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-6SE-6TN144I
✅ 直接替换📋 参考替代料（不在目录中）
LFE2-6E-7TN144C 最大额定值与电气特性
| Device Type | FPGA |
| FPGA Family | ECP2 |
| Logic Cells | 6000 cells |
| Lookup Table Count | approximately 6000 LUTs |
| User I/O | 90 I/O |
| DSP Capability | Yes |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -7 |
| Process Technology | 90 nm |
| Package Type | TQFP-144 |
| Package Pin Count | 144 pins |
| Package Body Size | 20 x 20 mm |
| 安装类型 | Surface Mount |
| 工作温度 | -40 C to +85 C |
| Lead Finish | Lead Free |
LFE2-6E-7TN144C 20 x 20 mm 引脚配置指南
LFE2-6E-7TN144C（20 x 20 mm 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： LFE2-6E-7TN144C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LFE2-6E-7TN144C 适用于 6 应用s: Parallel Data Acquisition, Industrial Control and Automation, DSP and Signal Processing, Communication Interface Consolidation, Sensor Aggregation and Conditioning, General-Purpose Control Logic.
Parallel Data Acquisition
The LFE2-6E-7TN144C fits parallel acquisition systems that must combine multiple input channels with control and data-conditioning logic. Its 90 user I/O provide substantial connectivity for sensor buses, counters, triggers, and parallel data paths, while 6000 logic cells can implement timing, state management, and formatting functions. The DSP capability supports multiplication and accumulation within the FPGA fabric. In a compact instrument, the device can reduce the number of external controllers by consolidating acquisition sequencing, channel selection, and data capture. The 144-pin TQFP offers adequate route density for a board with several parallel buses. Engineers should reserve configuration pins and decoupling according to the manufacturer reference design, and should verify acquisition timing against the -7 speed-grade requirements before fixing the clock and I/O architecture.
推荐
Industrial Control and Automation
The LFE2-6E-7TN144C is appropriate for compact industrial controllers that combine sequencing, interlocks, interface conversion, and local decision logic. With 6000 ECP2 logic cells and 90 I/O, it can handle multiple digital machine interfaces without requiring a separate microcontroller for every peripheral. Its -7 speed designation supports designs needing greater timing headroom than lower-speed ECP2 options. The 1.2 V core supply fits modern FPGA power architectures, while the 144-pin TQFP exposes more signals than a small QFN package. A practical controller could translate sensor and actuator signals, implement a state machine, and supervise communications concurrently. Because the specified operating range is -40 C to +85 C, installations beyond that limit should use the industrial-temperature I-suffix family member after validating all electrical requirements.
推荐
DSP and Signal Processing
The LFE2-6E-7TN144C is suitable for fixed-point signal-processing tasks that benefit from parallel FPGA logic and dedicated DSP capability. The 6000-cell ECP2 fabric can implement filtering, correlation, waveform transformation, and multiply-accumulate operations, while 90 I/O support streaming data interfaces. Compared with a sequential microcontroller implementation, the FPGA can process multiple samples or channels concurrently and keep timing predictable. The -7 speed grade is preferable when the design must meet a demanding sampling interval or multiple parallel operations. The TQFP-144 package provides enough I/O to bring sensor data into the device and route processed results outward without excessive multiplexing. Clock and data lines should be constrained using the manufacturer timing information, while analog conversion and filtering remain outside the FPGA unless suitable converters are added.
推荐
Communication Interface Consolidation
The LFE2-6E-7TN144C can consolidate several communication and peripheral interfaces when a board must implement protocol conversion, framing, buffering, or test logic in programmable hardware. Its 90 I/O permit multiple parallel interfaces, and the 6000-cell fabric can combine protocol engines with control logic in one device. The -7 grade offers additional timing margin for synchronous interfaces, while the 144-pin TQFP simplifies connections to larger devices and test equipment. In a communications card, the FPGA might adapt a parallel host interface to a serial physical layer and simultaneously implement status counters or protocol monitors. Engineers should avoid treating the package count alone as proof of signal-integrity capability: use the manufacturer I/O timing tables, constrain clock domains, and observe the recommended output and input standards for every external interface.
推荐
Sensor Aggregation and Conditioning
The LFE2-6E-7TN144C fits sensor-aggregation systems that must collect measurements from multiple transducers, apply digital corrections, and present a unified result to a host or control engine. Its 90 I/O support several sensors, switches, and digital outputs, while DSP capability can implement scaling, filtering, and compensation. The programmable logic also enables timestamp generation, fault detection, and adaptive sampling sequences without relying on a separate programmable controller for each channel. A 144-pin TQFP is advantageous when routing many board-level sensor lines is more important than minimizing footprint. The -7 speed designation supports parallel conditioning of multiple channels, but power, clock, and I/O standards remain critical. Validate sensor timing, avoid excessive fan-out, and use the manufacturer reference layout for configuration and local supply connections.
推荐
General-Purpose Control Logic
The LFE2-6E-7TN144C is effective as a general-purpose programmable control block in equipment where a fixed sequence of discrete functions must be combined into one controller. The 6000 ECP2 logic cells can implement counters, state machines, lookup logic, arbitration, and timing functions, while DSP capability is available for auxiliary arithmetic. Ninety user I/O provide enough connectivity for panel controls, indicators, interlocks, and peripheral buses. The 144-pin TQFP also makes the device suitable for boards where larger routing channels and conventional surface-mount inspection are preferred. When replacing a collection of CPLDs, engineers should compare available logic, I/O standards, clock inputs, configuration behavior, and package pinout rather than considering the cell count alone. The LFE2-6E-7TN144C is preferable when the -7 grade provides useful timing margin and the required commercial temperature range is adequate.
推荐
推荐产品汇总
工程参考数据： LFE2-6E-7TN144C ——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 | LFE2-6E-7T144C | LFE2-6E-6TN144C | LFE2-6E-6TN144I | LFE2-6SE-7TN144C | LFE2-6SE-5TN144C |
|---|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | TQFP-144 | TQFP-144 | TQFP-144 | TQFP-144 | TQFP-144 | TQFP-144 |
| FPGA Family | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 |
| Logic Cells | 6000 cells | 6000 cells | 6000 cells | 6000 cells | 6000 cells | 6000 cells |
| Lookup Tables | Approximately 6K LUTs | Approximately 6K LUTs | Approximately 6K LUTs | Approximately 6K LUTs | Approximately 6K LUTs | Approximately 6K LUTs |
| User I/O | 90 I/O | 90 I/O | 90 I/O | 90 I/O | 90 I/O | 90 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 | -7 | -7 | -6 | -6 | -7 | -5 |
| Process Technology | 90 nm | 90 nm | 90 nm | 90 nm | 90 nm | 90 nm |
| DSP Capability | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Higher speed designation within the same ECP2 package family （对比 LFE2-6E-6TN144C)
- Direct same-speed ordering-code alternative （对比 LFE2-6E-7T144C)
- Broader environmental option for qualifying industrial systems （对比 LFE2-6E-7TN144C)
设计说明
Treat the 144-pin TQFP as a high-density routing design. Assign the supply, ground, configuration, clock, and user I/O pins strictly from the manufacturer pin table and package drawing. Keep sensitive clock routes short, maintain continuous ground references beneath signal paths, and avoid routing high-speed signals between split power or ground planes. Because the accessible information does not enumerate all pin names, use the manufacturer package drawing as the controlling PCB source.
Follow the ECP2 reference power topology for the 1.2 V core supply and associated I/O supplies. Place required bulk and high-frequency decoupling capacitors at their specified power pins, with the shortest possible return paths. Validate startup sequencing, current limits, voltage tolerances, and rail tolerances against the manufacturer electrical specifications before powering the board. Do not infer auxiliary supply requirements from the abbreviated distributor summaries.
Do not substitute by visible part-number similarity alone. The -7 and -6 or -5 designations identify different performance grades, and the I suffix identifies a different temperature class. Confirm exact package drawing, pin compatibility, configuration compatibility, operating-temperature requirements, and timing margin in the manufacturer ECP2 documentation. A PCB change is unnecessary when those requirements match, but firmware or bitstream compatibility must still be verified for the selected device.
Use the manufacturer clock and I/O requirements as the basis for external clock routing, termination, and interface timing. The 90 I/O count does not imply that every pin supports every voltage standard or high-speed performance level. Review the I/O table by bank, apply series damping where prescribed, and keep configuration and programming interfaces away from noisy switching nodes. Verify all timing paths with constraints appropriate to the selected -7, -6, or -5 device.
合规信息
The TQFP-144 listing identifies the device as lead-free. RoHS, REACH, halogen-free, and conflict-minerals status were not explicitly stated in the accessible product information.
