LFE2-20E-7F484C - 21K LUT ECP2 FPGA, 331 I/O | Lattice
MPN: LFE2-20E-7F484C ✗ জীবনকালের সমাপ্তিLFE2-20E-7F484C সারাংশ
An FPGA is a reprogrammable semiconductor in which the digital logic, interconnect, and programmable I/O blocks are configured after manufacture. Within the semiconductor hierarchy, the ECP2 belongs to the FPGA and CPLD category and to Lattice's ECP2 family. Unlike a fixed-function microcontroller, an FPGA can implement parallel datapaths, control logic, interfaces, and DSP pipelines in one device, allowing hardware behavior to be changed through a configuration bitstream.
The verified product information identifies 21K LUTs, 331 I/O, DSP capability, a 1.2 V operating voltage, and a -7 speed designation. The 484-BBGA package also provides a large, mechanically dense footprint suited to boards with space for fine-pitch ball-grid-array routing. Because the supplied distributor data does not enumerate memory resources, embedded multipliers, configuration interfaces, or I/O standards, those details must be confirmed in the Lattice ECP2 family documentation before final schematic and PCB sign-off.
Typical uses for a device in this resource class include industrial control and automation, communications infrastructure, embedded video and image processing, instrumentation, and multi-channel DSP-assisted signal processing. The 331-I/O count is especially useful for designs that must connect multiple buses, capture parallel data, or control a substantial number of external signals. The DSP resources allow selected arithmetic and filtering pipelines to be implemented in parallel rather than relying entirely on sequential processor execution.
Board-level implementation should follow Lattice's published high-density BGA layout, power, and decoupling guidance. Differential pairs, clock inputs, and high-speed memory interfaces require controlled impedance, continuous return paths, and length matching; the 1.2 V core rail also requires careful sequencing and filtering. Because this MPN is reported as obsolete by one indexed source while distributor listings remain available, procurement planning should confirm lifecycle status, date codes, traceability, and current inventory before a new production release.
This page consolidates distributor specifications, package identification, lifecycle signals, and same-family upgrade paths with practical implementation guidance. It also distinguishes confirmed parameters from details that require verification against the manufacturer documentation, helping engineers evaluate fit without treating distributor snippets as a substitute for the complete datasheet.
এর জন্য ড্রপ-ইন বিকল্প LFE2-20E-7F484C — একই package, pin-to-pin compatible। ভিন্ন package-এর যেসব পার্টে PCB rework প্রয়োজন সেগুলো বাদ দেওয়া হয়েছে।
এই সিরিজের ভ্যারিয়েন্ট
একই সিরিজের মডেল যেগুলো drop-in compatible LFE2-20E-7F484C (একই form factor এবং footprint) — পার্থক্য রয়েছে Speed Grade, Package, DSP Capability, Package Type, Terminal Count.
LFE2-20E-7FN484C
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
LFE2-20SE-7F484C
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
LFE2-20E-6FN484C
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
LFE2-20E-5F484I
✅ ড্রপ-ইনমূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →LFE2-20E-5F484C
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়মূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →LFE2-20E-7F484C সর্বোচ্চ রেটিং ও বৈদ্যুতিক বৈশিষ্ট্য
| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Capacity | 21,000 LUTs |
| User I/O Count | 331 I/O |
| DSP Capability | DSP blocks present |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -7 |
| প্যাকেজ | 484-BBGA |
| মাউন্টিং টাইপ | Surface Mount |
| Programmable Device Type | FPGA |
| Manufacturer | Lattice Semiconductor |
| Distributor Availability | 8 distributors listed on Octopart |
| LCSC Stock Signal | In-stock signal shown for related LFE2-20E-7FN484C |
| DigiKey Availability Signal | Order today, ships today |
| Indexed Lifecycle Signal | Obsolete |
LFE2-20E-7F484C 484-bbga পিন কনফিগারেশন গাইড
LFE2-20E-7F484C (484-bbga প্যাকেজ)-এর পিন কনফিগারেশন। এই ডিজিটাল IC-তে GPIO, কমিউনিকেশন ইন্টারফেস (UART, SPI, I2C) এবং পাওয়ার পিন রয়েছে। বিকল্প পিন ফাংশন ও কনফিগারেশন অপশনের জন্য প্রস্তুতকারকের ডেটাশিট দেখুন। এমবেডেড সিস্টেম ডিজাইন ও PCB লেআউটের জন্য অপরিহার্য।
এর জন্য বিস্তারিত পিনআউট ডেটা পাওয়া যায়নি LFE2-20E-7F484C.
দেখুন ডেটাশিট সম্পূর্ণ পিন কনফিগারেশনের জন্য।
সাধারণ ব্যবহার
LFE2-20E-7F484C এর জন্য উপযুক্ত 6 অ্যাপ্লিকেশনs: Industrial Control and Automation, Parallel Data Acquisition, Communications Interface Aggregation, DSP-Accelerated Signal Processing, Embedded Video and Image Preprocessing, Programmable Test and Measurement.
Industrial Control and Automation
The LFE2-20E-7F484C fits industrial control modules that require 331 user I/O alongside 21,000 LUTs of programmable logic. Its ECP2 architecture can consolidate machine-control sequencing, counter, timing, and interface logic without relying on several fixed-function controllers. The 484-BBGA package also offers a dense footprint for control boards with limited connector space, although designers must budget careful escape routing and layer transitions. Because the verified data does not state industrial temperature grades, the ordering suffix and environmental qualification should be checked before deployment in factory equipment. For designs with strict timing, the -7 grade provides a defined baseline, but every external clock, bus, and safety-related path still requires static timing analysis against the applicable ECP2 documentation.
সুপারিশকৃত
Parallel Data Acquisition
With 331 user I/O, the LFE2-20E-7F484C is well suited to parallel acquisition, test, and instrumentation systems that must sample or generate many channels. The 21,000-LUT ECP2 fabric can support control sequencing, channel mapping, timing generation, and data conditioning around the external interface. In a digitizer or protocol exerciser, parallel buses can be handled as deterministic fixed logic rather than through sequential processor loops. The 484-BBGA package demands careful ball-escape and via planning to preserve signal integrity on long copper structures. Verify the supported I/O standards and usable I/O count by bank before assigning external voltage domains, because those details are not present in the supplied distributor snippets.
সুপারিশকৃত
Communications Interface Aggregation
The LFE2-20E-7F484C can serve as a protocol aggregation and transport engine in communications equipment, combining multiple low-speed interfaces with higher-speed programmable logic. Its 331 I/O provide practical capacity for parallel data buses, control signals, and status inputs, while 21,000 LUTs support framing, buffering, and multiplexing functions. A bridge design can place the FPGA between an external transceiver and a processor or memory subsystem, reducing processor pin and software overhead. The ECP2's DSP capability may also accelerate filtering or symbol-processing stages when the design permits parallel datapaths. Exact transceiver I/O voltage support and maximum interface performance must be confirmed before schematic freeze, particularly for any LVDS or high-speed memory connection on the 484-BBGA device.
সুপারিশকৃত
DSP-Accelerated Signal Processing
The LFE2-20E-7F484C's combination of 21,000 LUTs, 331 I/O, and DSP resources supports parallel filtering, correlation, and digital front-end implementations in instrumentation and embedded processing systems. By mapping appropriate stages into dedicated hardware, a design can achieve predictable sample timing and reduce sequential workload on a connected processor. The 331-I/O count also allows parallel ADC or DAC interfaces to be implemented without relying exclusively on serial links. A practical design should budget routing and memory resources carefully because the verified source does not disclose embedded-memory capacity, DSP block count, or multiplier characteristics. Confirm those parameters and the target device's -7 timing behavior before committing the pipeline topology and external converter interface.
সুপারিশকৃত
Embedded Video and Image Preprocessing
The LFE2-20E-7F484C can implement parallel pixel transport, timing generation, and image pre-processing in embedded vision modules. Its 21,000 LUTs provide logic capacity for pipeline control and preprocessing, while 331 I/O can accommodate parallel sensors, capture devices, and auxiliary interfaces. The -7 speed designation provides a defined device grade for timing closure when the architecture relies on short synchronous paths. Because ECP2 devices can include programmable DSP and dedicated memory resources, portions of filtering or color processing may be mapped into hardware, but the exact block count and memory bandwidth in the supplied data are unknown. Video interface standards, color depth, resolution, and frame rate must therefore be reconciled with the manufacturer's device resource tables before selecting the architecture.
সুপারিশকৃত
Programmable Test and Measurement
The LFE2-20E-7F484C is applicable to automated test systems, pattern generators, and instrument controllers because it combines 21,000 LUTs with 331 user I/O. The ECP2 fabric can implement timing generators, channel sequencing, data formatting, and protocol-specific stimulus logic in parallel. This allows a single programmable device to replace a collection of discrete counters and interface components while retaining field reconfiguration flexibility. The dense 484-BBGA package requires a high-quality PCB stack-up, length-aware routing, and effective BGA assembly; these mechanical constraints are as important as logic capacity in a high-pin-count instrument. Before using the part as a drop-in replacement in an existing test system, verify configuration interface behavior, I/O standards, and timing because those device-specific details are absent from the distributor evidence.
সুপারিশকৃত
সুপারিশকৃত পণ্যের সারসংক্ষেপ
এর জন্য ইঞ্জিনিয়ারিং রেফারেন্স ডেটা LFE2-20E-7F484C — তুলনা, ডিজাইন গাইডেন্স এবং কমপ্লায়েন্স তথ্য।
নির্বাচন গাইড
বিকল্পের সাথে তুলনা
| পারামিটার | এই পণ্য | LFE2-20E-7FN484C | LFE2-20SE-7F484C | LFE2-20E-6FN484C | LFE2-20E-5F484I | LFE2-20E-5F484C |
|---|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | 484-BBGA | 484-BBGA - same | 484-BBGA - same | 484-BBGA - same | 484-BBGA - same | 484-BBGA - same |
| FPGA Family | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 | ECP2 |
| Speed Designation | -7 | -7 | -7 | -6 | -5 | -5 |
মূল পার্থক্যসমূহ
- Closest listed ordering-code match with the same -7 speed designation (বনামLFE2-20E-7FN484C)
- Higher performance grade than the -6 same-package candidate (বনামLFE2-20E-6FN484C)
- Higher performance grade than two -5 alternatives (বনামLFE2-20E-5F484I)
ডিজাইন নোট
The verified core voltage is 1.2 V, but the complete power architecture was not supplied. Follow the manufacturer ECP2 power-supply and sequencing requirements for the 484-BBGA device rather than assuming that all banks use the same voltage. Provide local high-frequency decoupling at each supply ball or supply group, keep routing resistance and inductance low, and reserve bulk capacitance near the power-entry points.
A 484-BBGA footprint requires layer-transition planning, via-in-pad or via-geometry rules, and a manufacturing process capable of inspecting dense ball pitches. Derive escape routing from the device's actual ball map rather than a generic BGA symbol. Maintain continuous ground and return paths beneath high-speed nets, and avoid splitting reference planes under clock, serial, or memory interfaces.
The 331 user I/O create many opportunities for accidental parallel routing, crosstalk, and impedance discontinuities. Route clocks and high-speed interfaces first with controlled differential impedance, then match external source-synchronous interfaces to the timing requirements of the selected ECP2 device. Keep configuration, clock, and reset routing isolated from high-current outputs and use test points that do not disturb signal integrity.
The target carries an obsolete signal in one indexed source even though distributor availability remains visible. Do not approve a new design or production purchase based on distributor search results alone. Obtain the manufacturer lifecycle or PCN notice, confirm the ordering suffix and temperature grade, require traceability and date-code documentation, and preserve a reviewed alternate plan before ordering the 484-BBGA device.
কমপ্লায়েন্স তথ্য
Compliance attributes were not present in the verified web data and have therefore not been assumed. The indexed obsolete signal does not by itself establish AEC-Q100 status; this product is an FPGA rather than an automotive-qualified device in the supplied evidence.
