LFE2-12E-5Q208C - 12K LUT ECP2 FPGA 1.2V | Lattice
MPN: LFE2-12E-5Q208C ✓ فعالLFE2-12E-5Q208C نمای کلی
An FPGA is a reprogrammable digital integrated circuit containing configurable logic blocks, programmable interconnect, and embedded memory. Within the semiconductor hierarchy, an FPGA is a programmable logic device, placing it between fixed-function logic ICs and application-specific ICs. The ECP2 family provides a practical balance of logic capacity, I/O availability, embedded RAM, and low power consumption for compact control, interface, and signal-processing systems.
The principal device characteristics include 12,000 logic cells distributed across 1,500 logic array blocks, 226,304 bits of total RAM, and 131 user I/O pins. The -5 speed designation identifies the device speed grade, while the Q208C suffix identifies the 208-pin lead-free plastic PQFP configuration. A 311 MHz maximum timing figure is listed in the supplied comparison data. The package is a surface-mount 208-BFQFP measuring approximately 28 mm by 28 mm.
The ECP2 architecture supports parallel digital logic, state-machine control, data acquisition, interface bridging, and fixed-point signal processing without requiring a separate external microcontroller. Embedded block RAM can hold data buffers, lookup tables, packet fields, or control state, while the large I/O count permits direct connection to parallel buses, counters, displays, and external converters. Programming is handled through the family's supported configuration workflow and appropriate Lattice design tools.
Typical uses include industrial control logic, instrumentation, communication interfaces, embedded display controllers, data-acquisition front ends, and compact sensor-processing platforms. Its 131 available I/O make it suitable for designs that need more parallel external connectivity than smaller ECP2 packages can provide. The 226,304-bit RAM budget also permits buffering multiple data words without relying on scarce external memory.
The main design constraint is board area: a 28 mm by 28 mm PQFP is physically larger than modern QFN packages and requires careful routing across two sides of the PCB. Designers should verify speed-grade timing, configuration-scheme requirements, supported I/O standards, and bank-compatible supply rails against the manufacturer datasheet before layout release.
This page consolidates distributor availability, exact device identifiers, package information, application guidance, and drop-in alternatives that are not presented together on a single distributor listing. It also distinguishes confirmed web-sourced alternatives from same-family options identified from the ECP2 naming structure, so engineers can assess each substitution before committing a design to production.
جایگزین‌های drop-in برای LFE2-12E-5Q208C — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
LFE2-12E-5QN208C
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-5Q208I
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-4Q208C
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-6Q208C
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-6QN208C
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-4QN208C
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
LFE2-12E-5Q208C حداکثر مقادیر مجاز و مشخصات الکتریکی
| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Elements | 12,000 cells |
| Logic Array Blocks | 1,500 LABs |
| LUT Capacity | 12K LUTs |
| User I/O Pins | 131 |
| Total RAM | 226,304 bits |
| حداکثر فرکانس کلاک | 311 MHz |
| Core Supply Voltage | 1.2 V |
| Core Supply Range | 1.14 V to 1.26 V |
| Process Technology | 90 nm CMOS |
| Speed Grade | -5 |
| بسته‌بندی | 208-BFQFP / PQFP-208 |
| Package Dimensions | 28 mm x 28 mm |
| تعداد پین‌ها | 208 |
| نوع نصب | Surface Mount |
| Package Material | Lead-free plastic |
راهنمای پیکربندی پین LFE2-12E-5Q208C lead-free plastic
پیکربندی پین برای LFE2-12E-5Q208C (پکیج lead-free plastic). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای LFE2-12E-5Q208C.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
LFE2-12E-5Q208C مناسب است برای 6 کاربردs: Industrial Control and Automation Logic, Data Acquisition Front End, Communication Interface Bridging, Embedded Display Controller, Sensor Signal Conditioning, Fixed-Point Signal Processing.
Industrial Control and Automation Logic
The LFE2-12E-5Q208C fits centralized machine-control logic because its 12,000 logic cells can implement multiple independent control domains while 226,304 bits of RAM support state tables, operating counters, and local event buffers. The 131 user I/O provide direct access to sensors, discrete actuators, interlocks, and status indicators without an external parallel interface controller. At a 1.2 V core supply and a listed 311 MHz maximum frequency, the device also supports modest control-domain timing. The design should divide I/O into voltage-compatible banks and apply the datasheet-recommended bypass and configuration circuitry.
پیشنهادی
Data Acquisition Front End
The LFE2-12E-5Q208C is useful for parallel data-acquisition front ends that require local channel counting, filtering, and packet preparation before transfer to a processor. Its 12K LUTs can sustain multiple control and arithmetic pipelines, while 226,304 bits of embedded RAM can buffer captured words or implement dual-port data storage. The 131 I/O allow direct connection to parallel ADC outputs, clock signals, and capture-status lines. Designers should confirm converter interface voltage standards and timing closure against the -5 speed grade rather than assuming every 208-pin ECP2 variant is timing-compatible.
پیشنهادی
Communication Interface Bridging
The LFE2-12E-5Q208C can bridge parallel processor buses to slower serial or parallel peripherals because programmable logic can implement framing, checksum, FIFO, and protocol state-machine functions. The 226,304 bits of RAM allow packet buffering without a separate memory component, and 131 user I/O leave sufficient parallel capacity for address, data, and control signals. The 1.2 V core helps simplify internal power distribution, although external transceiver I/O still require the correct voltage translation and termination. A production design should verify supported I/O standards and maximum interface rates in the ECP2 datasheet.
پیشنهادی
Embedded Display Controller
The LFE2-12E-5Q208C fits display-controller designs that combine rendering, timing, and input handling in one programmable device. Its 12K LUT capacity can support character or graphic pipeline logic, while the large I/O count accommodates display data, address lines, synchronization, and keypad or touch inputs. Embedded RAM can store glyphs, frame data, or double buffers, reducing external memory requirements. The 28 mm by 28 mm PQFP footprint is larger than a modern QFN alternative, so the PCB should provide adequate fan-out routing and consider the I/O voltage and drive limits of the selected panel interface.
پیشنهادی
Sensor Signal Conditioning
The LFE2-12E-5Q208C can perform digital sensor conditioning such as filtering, calibration-table lookup, debouncing, and event sequencing. Its 12,000 logic cells allow multiple sensor channels to share programmable pipelines, and 226,304 bits of RAM can hold calibration coefficients or rolling measurement windows. With 131 user I/O, the device can accept digital sensor outputs and produce consolidated status or alarm signals. Actual analog conditioning must occur in external components, so this application is best suited to digital sensors with comparator, ADC, or serial-interface front ends. Confirm I/O standards and pin-bank constraints for each connected device.
پیشنهادی
Fixed-Point Signal Processing
The LFE2-12E-5Q208C is appropriate for moderate fixed-point filtering, waveform generation, or digital modulation because the -5 speed grade and listed 311 MHz maximum frequency support pipelined arithmetic. Twelve thousand logic cells can distribute multiply-accumulate stages across the ECP2 fabric, while embedded RAM provides coefficient storage and sample buffering. The 131 I/O are suitable for parallel datapaths and clock-enabled interfaces. The implementation should include pipeline registers and timing constraints in the project rather than treating the theoretical maximum frequency as guaranteed system performance; board-level skew and the selected I/O path also affect the final result.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای LFE2-12E-5Q208C — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | LFE2-12E-5QN208C | LFE2-12E-5Q208I | LFE2-12E-4Q208C | LFE2-12E-6Q208C | LFE2-12E-6QN208C | LFE2-12E-4QN208C |
|---|---|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| FPGA Family | Lattice ECP2 | Lattice ECP2 | Lattice ECP2 | Lattice ECP2 | Lattice ECP2 | Lattice ECP2 | Lattice ECP2 |
| Logic Elements | 12,000 cells | 12,000 cells | 12,000 cells | 12,000 cells | 12,000 cells | 12,000 cells | 12,000 cells |
| LUT Capacity | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs | 12K LUTs |
| Total RAM | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits | 226,304 bits |
| Speed Grade | -5 | -5 | -5 | -4 | -6 | -6 | -4 |
| Core Supply Voltage | 1.2 V (1.14 V to 1.26 V) | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Process Technology | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS |
تفاوت‌های کلیدی
- Web-confirmed same-package replacement with the closest ordering code (در مقابلLFE2-12E-5QN208C)
- Higher-speed same-footprint option for timing-constrained designs (در مقابلLFE2-12E-6Q208C)
- Lower-cost timing-relaxed option with the same logic envelope (در مقابلLFE2-12E-4Q208C)
یادداشت‌های طراحی
The 208-BFQFP body is approximately 28 mm square, so reserve substantially more PCB area than a modern QFN FPGA would require. Place decoupling capacitors at the appropriate core and I/O supply pins, route high-speed nets with short paths and controlled impedance, and keep configuration and programming signals away from sensitive analog or clock inputs. Because individual bank assignments are not present in the supplied data, determine every VCC, VSS, and user-I/O connection from the manufacturer package drawing before fabrication.
Do not treat every ECP2 ordering suffix as automatically interchangeable. A speed-grade change can alter timing closure, while commercial, industrial, and additional ordering codes may carry different qualification or lifecycle conditions. The LFE2-12E-5QN208C is the closest web-confirmed replacement, but the N and I suffixes must be decoded from the Lattice ordering information. Also verify that the chosen alternative provides the same configuration scheme, embedded-memory resources, I/O standards, and package pinout before releasing a substitute into production.
The target's -5 grade and listed 311 MHz maximum frequency should be treated as device-family timing information rather than guaranteed board performance. Constrain all clock domains, use the speed grade selected for the production part, and avoid long stub branches on external buses. For source-synchronous or high-speed parallel interfaces, follow the datasheet's I/O timing and board-level skew guidance. Adding external bus transceivers can change voltage, direction, and propagation-delay requirements, so they must be validated as a complete interface rather than added solely for convenience.
The core operates at 1.2 V with a stated range of 1.14 V to 1.26 V. Use the manufacturer-recommended regulator topology and place local high-frequency bypass capacitance close to the device's supply pins. Do not infer I/O voltage directly from the 1.2 V core specification: user-I/O and configuration rails may use different supported voltages. Verify every power rail, sequencing requirement, current budget, and I/O bank voltage against the datasheet before selecting the power-supply components.
اطلاعات انطباق
The verified comparison data identifies the package as lead-free plastic. No explicit RoHS, REACH, halogen-free, AEC-Q100, or conflict-minerals declaration was supplied, so those fields remain unknown rather than assumed.
