LFE2-20E-6F256I - 21K LUT ECP2 FPGA | Lattice Semiconductor
MPN: LFE2-20F256I ✓ AktifLFE2-20F256I Ringkasan
An FPGA is a programmable semiconductor whose digital circuits are defined through a configuration bitstream rather than a fixed mask set. Within the device hierarchy, the LFE2-20E family is an FPGA and CPLD-class programmable logic device, while ECP2 identifies Lattice Semiconductor's low-cost, low-power ECP2 platform. Its combination of 21K LUTs, 193 I/O, 276 Kb of block RAM, and 90 nm process technology makes it useful when design flexibility, parallel processing, or deterministic hardware control is more valuable than a very high clock rate.
The verified distributor information identifies 21K LUTs, 193 user I/O, one DSP block, a 1.2 V core voltage, and a -6 performance designation. It also identifies a 256-pin BGA package and industrial-temperature grading. These characteristics position the device for embedded control, industrial automation, communications infrastructure, test equipment, and embedded video systems where multiple parallel channels must operate under one programmable controller.
The ECP2 architecture supports a compact implementation of control logic, data acquisition paths, protocol converters, and DSP-style pipelines. Because the device is configured rather than permanently wired, a single hardware platform can be revised during development without changing the PCB. Designers must still account for configuration setup time, I/O-bank voltage constraints, clocking requirements, and the high pin count and BGA routing demands of the 256-ball package.
Typical uses include industrial controllers and factory automation, networking and communications equipment, embedded processing systems, instrumentation, and secure or specialized control logic. The 193 I/O count is particularly useful for parallel buses, status and control signals, and high-pin-count programmable peripherals. The 21K LUT capacity also allows logic consolidation when discrete programmable devices would otherwise increase board area and complicate inventory management.
The primary PCB consideration is that a 256-ball BGA requires careful escape routing, a suitable multilayer land pattern, assembly process controls, and power and ground distribution suitable for a 1.2 V core. Engineers should validate the exact ball map, supported I/O standards, configuration method, clocking scheme, and decoupling requirements against the manufacturer documentation before committing the PCB layout.
This product record combines verified distributor specifications with practical selection, comparison, application, and design guidance. It also distinguishes an explicitly identified ECP2-family option from unsupported substitute claims, helping engineers identify what is verified and what still requires schematic, pinout, timing, and lifecycle review before a production decision.
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LFE2-20E-6FN256I
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| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Cells | 21,000 cells |
| Lookup Tables | 21K LUTs |
| User I/O | 193 I/O |
| DSP Resources | 1 DSP block |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -6 |
| Temperature Grade | Industrial |
| Block RAM | 276 Kb |
| Process Technology | 90 nm |
| Package Type | 256-BGA |
| Terminal Type | Ball |
| Package Shape | Square |
| Number of Terminals | 256 terminals |
| Jenis Pemasangan | Surface mount |
| Configurable Architecture | Field-programmable logic |
Panduan Konfigurasi Pin LFE2-20F256I square
Konfigurasi pin untuk LFE2-20F256I (square pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk LFE2-20F256I.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
LFE2-20F256I patut untuk 6 aplikasis: Industrial Automation and Factory Control, Communications Gateway and Protocol Conversion, Network Interface and Packet Processing, Embedded Video and Image Processing Control, Test and Measurement Instrumentation, Secure Control and General-Purpose Logic Consolidation.
Industrial Automation and Factory Control
The LFE2-20E-6F256I fits machine-control and factory-automation designs because its 21,000 logic cells and 193 user I/O can consolidate parallel control, sequencing, diagnostics, and interface logic around one programmable device. Its industrial-temperature grade supports industrial environments, subject to confirmation of the exact operating limits. Engineers can assign deterministic control paths and supervisory functions in the ECP2 fabric while using external transceivers for field-bus or Ethernet connectivity. The 1.2 V core and 256-ball BGA require a multilayer PCB with short, controlled supply routes and careful ball-escape layout.
Disebarkan
Communications Gateway and Protocol Conversion
The LFE2-20E-6F256I is suitable for communications gateways that require flexible packet handling, status multiplexing, and concurrent interface logic. Its 21K LUTs provide substantial programmable capacity, while 193 I/O allow dedicated routing among transceivers, memories, indicators, and management interfaces. The available verified data confirms one DSP block, which can support selected signal-processing tasks, although exact throughput must be assessed from the ECP2 architecture. A 1.2 V core and 256-ball BGA favor compact multilayer implementations but require precise decoupling and signal-integrity review.
Disebarkan
Network Interface and Packet Processing
The LFE2-20E-6F256I can support network-interface front ends where parallel data paths, header inspection, queue control, and physical-layer coordination must remain programmable. Its 193 I/O are valuable for parallel buses, clocks, flow-control signals, and transceiver interfaces, while the 21K LUT capacity allows multiple packet-processing pipelines to coexist. One DSP block may assist selected arithmetic or filtering operations, but the exact supported clock and arithmetic configuration must be checked in the manufacturer data. The 256-ball BGA supports dense routing while increasing assembly and inspection complexity.
Disebarkan
Embedded Video and Image Processing Control
The LFE2-20E-6F256I can serve as the programmable control and data-movement element in embedded imaging systems, where sensor timing, frame boundaries, status flags, and interface multiplexing must adapt across product variants. The 193 I/O provide ample connections for camera or display interfaces, while the 21K LUTs support control planes, capture sequencing, and auxiliary processing. The verified data identifies one DSP block, making the device appropriate for targeted digital signal-processing pipelines. Its 256-ball BGA requires deliberate high-density routing and validated layer-stackup for reliable signal and power integrity.
Disebarkan
Test and Measurement Instrumentation
The LFE2-20E-6F256I is appropriate for programmable test and measurement front ends that coordinate acquisition timing, channel control, data formatting, and communication between instruments. Its 193 user I/O can support parallel converters, counters, status displays, and external memory or transceiver interfaces, while 21K LUTs provide room for multiple control paths. The one verified DSP block may be useful for selected filtering or arithmetic stages. Because the supplied information does not specify supported I/O standards or timing, engineers must verify pin-level constraints, clocking, and termination for every acquisition channel.
Disebarkan
Secure Control and General-Purpose Logic Consolidation
The LFE2-20E-6F256I can consolidate programmable control, authentication sequencing, status logic, and peripheral management in industrial products requiring design updates after manufacture. The 21K LUT capacity and 193 I/O provide substantial logic and pin resources in one 1.2 V ECP2 device, and the field-programmable architecture allows implementation revisions through a new configuration bitstream. This is valuable where multiple fixed-function logic devices would otherwise complicate the board. Security assumptions still require a dedicated design review, and the verified data does not identify cryptographic blocks or a dedicated configuration interface.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk LFE2-20F256I — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | LFE2-20E-6FN256I |
|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor |
| Lookup Tables | 21K LUTs | 21K LUTs |
| User I/O | 193 I/O | 193 I/O |
| DSP Resources | 1 DSP block | 1 DSP block |
| Core Voltage | 1.2 V | 1.2 V |
| Speed Grade | -6 | -6 |
Penyeberangsung Jelas
- Exact approved source identity (vsLFE2-20E-6FN256I)
- High I/O density for parallel system integration (vsLFE2-20E-6FN256I)
- Industrial-grade resource balance (vsLFE2-20E-6FN256I)
Catatan Desain
Treat the 256-ball BGA as a high-density assembly and routing problem. Use the manufacturer-recommended footprint and land pattern rather than deriving ball geometry from package dimensions. Route high-speed clocks, configuration signals, and sensitive inputs with short return paths, and place termination or series damping where the supported I/O standard and edge rates require it. The supplied excerpts do not provide a verified ball map, so all escape routing must be checked against the current package drawing.
Budget the 1.2 V core rail separately from every I/O supply because the available verified data confirms the core voltage but does not provide a complete power table. Confirm core, I/O, configuration, and auxiliary voltage requirements from the manufacturer documentation before selecting regulators and decoupling. Follow the documented voltage, sequencing, ramp, and current limits; otherwise, startup behavior, configuration reliability, and device-specific absolute maximum ratings cannot be validated.
Estimate utilization-dependent FPGA dissipation only after the clocking plan, I/O activity, and configuration are known. The supplied material contains no verified static-current, dynamic-current, or thermal-resistance data, so a defensible junction-temperature calculation cannot be performed from the 1.2 V core voltage alone. Use the manufacturer's power-estimation and thermal tools, then verify the design in the intended enclosure and ambient-temperature range with appropriate copper and airflow.
Do not treat a matching family name as proof of interchangeability. LFE2-20E-6FN256I shares several verified headline specifications, but the available comparison states that replacement may modify the circuit structure. Before changing the bill of materials, compare the exact BGA suffix, ball map, voltage domains, configuration pins and programming method, supported I/O standards, timing limits, and reliability grade. Also verify that the existing bitstream and any proprietary design constraints remain valid.
Maklumat Kesediaan
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Industrial-temperature grading was explicitly identified but is not evidence of AEC-Q100 qualification.
