LFE2-20E-7Q208C - 21K LUT ECP2 FPGA | Lattice
부품 번호: LFE2-20E-7Q208C ✗ 단종LFE2-20E-7Q208C 개요
An FPGA is a digital semiconductor whose internal logic, interconnect, and peripheral behavior are configured after manufacture. It belongs to the programmable-logic hierarchy: FPGA > field-programmable gate array > digital integrated circuit > semiconductor. Unlike a fixed-function microcontroller or application-specific controller, an FPGA can implement parallel datapaths and hardware state machines while retaining the flexibility to update logic through a configuration interface.
The LFE2-20E-7Q208C provides 21K LUTs, 131 user I/O, and a 1.2 V supply while operating in the -7 speed grade. The 208-pin BFQFP package provides 131 I/O rather than using all 208 package positions for user signals, leaving positions for power, ground, configuration, and other dedicated functions. Its programmable architecture supports designs that require deterministic control, interface adaptation, protocol handling, or parallel data acquisition.
The ECP2 architecture is appropriate for designs combining control logic with modest data processing. The 1.2 V core voltage supports integration into systems that partition supply rails by function, while the -7 grade identifies the device’s speed classification. Exact logic-cell counts, embedded-memory capacity, supported I/O standards, configuration modes, and electrical limits should be confirmed in the manufacturer datasheet before finalizing a high-speed or safety-critical design.
Typical uses include industrial control, communications infrastructure, test and measurement equipment, embedded data acquisition, display interfaces, and compact control systems. In each case, the FPGA can execute multiple state machines concurrently, absorb protocol-specific formatting, and isolate time-critical operations from a companion processor. The 131 available I/O are particularly useful for parallel buses, capture logic, and mixed peripheral interfaces.
A key design consideration is the distinction between package capacity and usable user I/O. A 208-pin package does not provide 208 general-purpose pins; this device has 131 user I/O. Board planning must also account for the 1.2 V core supply, configuration pins, decoupling, programming access, and the pin assignments required by the selected device family and package variant.
This page combines the verified device identity, electrical highlights, package information, sourcing workflow, and drop-in replacement analysis with practical guidance for FPGA selection. It is intended to help engineers distinguish a genuine same-footprint replacement from a merely similar FPGA and to plan a migration without overlooking configuration, pinout, and supply requirements.
드롭인 대체품: LFE2-20E-7Q208C — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: LFE2-20E-7Q208C (동일 폼 팩터 및 풋프린트) — 차이점: Speed Grade, Core Supply Voltage, Logic Capacity, Package, Package Type.
LFE2-20E-7QN208C
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LFE2-20E-7Q208C 최대 정격 & 전기적 특성
| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Lookup Tables | 21K LUTs |
| User I/O Count | 131 I/O |
| Core Supply Voltage | 1.2 V |
| Speed Grade | -7 |
| 패키지 | 208-pin BFQFP |
| Package Pin Count | 208 pins |
| User I/O Count | 131 I/O |
| Logic Capacity | 21,000 logic cells |
| Programmable Logic | Field-programmable gate array |
| Product Family | ECP2 |
| 실장 유형 | Surface Mount |
LFE2-20E-7Q208C 208 pins 핀 구성 가이드
LFE2-20E-7Q208C(208 pins 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: LFE2-20E-7Q208C.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
LFE2-20E-7Q208C 적합 용도: 6 애플리케이션s: Industrial Control and Automation, Test and Measurement Instrumentation, Communications Interface Consolidation, Embedded Data Acquisition, Display and Control Panels, Embedded Security and Access Control.
Industrial Control and Automation
The LFE2-20E-7Q208C fits compact industrial control systems that combine parallel machine I/O, timing logic, and multiple independent state machines. Its 21K LUT capacity and 131 user I/O provide substantial programmable logic without requiring a separate FPGA for every peripheral function. A controller can implement interlocks, counters, pulse conditioning, and sampling control in parallel while a companion processor handles supervisory functions. The 1.2 V core supply integrates with a partitioned power architecture, while the -7 speed grade defines the device’s timing class. Before committing to a deployment, verify the exact I/O standards, operating temperature, clock limits, and industrial qualification requirements in the manufacturer documentation.
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Test and Measurement Instrumentation
The LFE2-20E-7Q208C is useful in test and measurement products that require deterministic pattern generation, acquisition control, and parallel instrument interfacing. Its 21K LUTs can support multiple acquisition channels and timing engines, while 131 user I/O can connect counters, status signals, clocks, and data buses. The FPGA can execute timing-critical operations concurrently, reducing reliance on a host processor for sample sequencing. Its 1.2 V core voltage can form the central logic rail in a multi-rail instrument, and the -7 grade identifies the performance class used for timing design. Confirm maximum operating frequencies, supported I/O standards, and configuration architecture for the final measurement bandwidth.
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Communications Interface Consolidation
The LFE2-20E-7Q208C can consolidate proprietary communication interfaces, protocol conversion, and line-rate data handling in communications equipment. With 21K LUTs, designers can implement parallel datapaths, transmit and receive state machines, framing logic, and buffering functions without occupying a general-purpose processor with low-latency tasks. The 131 user I/O allow direct connection to parallel buses and control signals, while the -7 speed grade supports designs where timing margin matters. The 1.2 V core voltage fits a partitioned low-voltage processing domain. Engineers should verify transceiver standards, maximum interface rates, clocking requirements, and pin assignments before selecting the FPGA for a new protocol or migrating an existing board.
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Embedded Data Acquisition
The LFE2-20E-7Q208C is appropriate for embedded acquisition systems that must sample, timestamp, filter, and route several channels using predictable hardware timing. Its 21K LUTs permit parallel data paths and control sequences, while 131 user I/O support converters, sensors, trigger signals, and status monitoring. The FPGA can divide an incoming clock among acquisition channels and execute buffering or preprocessing without variable software scheduling delays. A 1.2 V core supply simplifies low-voltage logic partitioning, and the -7 speed grade defines the timing class for clock-domain design. Confirm converter interface timing, supported voltage standards, package pin assignments, and clock-management requirements for the selected system architecture.
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Display and Control Panels
The LFE2-20E-7Q208C can drive display and control-panel logic where multiple outputs, input scanning, timing coordination, and local protocol handling must operate concurrently. Its 131 user I/O provide connections for display data, touch or keypad scanning, indicators, and external control lines, while 21K LUTs allow dedicated engines for refresh, rendering, and input processing. The FPGA approach permits a compact interface subsystem to be updated independently of the main controller. The 1.2 V core voltage supports efficient rail partitioning, and the -7 speed grade offers a defined performance class for display timing analysis. Review the manufacturer I/O standards and pin table to confirm compatibility with the selected panel interface.
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Embedded Security and Access Control
The LFE2-20E-7Q208C can support embedded access-control and security equipment that combines credential I/O, event logging, alarm sequencing, and communication tasks. The 21K LUT capacity allows dedicated logic for keypad or sensor scanning, debouncing, tamper-event handling, and peripheral control, while 131 user I/O support external switches, indicators, and bus connections. Parallel hardware execution can keep response timing consistent across multiple I/O events. Its 1.2 V core voltage is suitable for a partitioned low-voltage logic domain, and the -7 speed grade identifies the timing class used in the design. Confirm operating temperature, security-feature requirements, I/O electrical limits, and product-lifecycle constraints before using the device in security-critical equipment.
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추천 제품 요약
엔지니어링 참조 데이터: LFE2-20E-7Q208C — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | LFE2-20E-7QN208C |
|---|---|---|
| Package | 208-pin BFQFP | 208-pin BFQFP - matching package |
| Brand | Lattice Semiconductor | Lattice Semiconductor |
| Product Family | ECP2 | ECP2 |
| Logic Lookup Tables | 21K LUTs | 21K LUTs |
| User I/O | 131 I/O | 131 I/O |
| Core Supply Voltage | 1.2 V | 1.2 V |
| Speed Grade | -7 | -7 |
| Logic Capacity | 21,000 logic cells | 21,000 logic cells |
| Pin Compatibility | 208-pin BFQFP | Complete replacement without circuit modification |
주요 차별점
- Verified complete replacement within the same device family (vs LFE2-20E-7QN208C)
- Substantial programmable logic for parallel embedded functions (vs LFE2-20E-7QN208C)
- Identical user-I/O resource count (vs LFE2-20E-7QN208C)
- Matching core voltage and speed class (vs LFE2-20E-7QN208C)
설계 노트
Use the 208-pin BFQFP-specific pin table when assigning signals because the LFE2-20E-7Q208C has 131 user I/O rather than 208 general-purpose connections. Separate power and ground pins according to the manufacturer layout guidance, provide local decoupling at every supply connection, and route configuration signals to the programming interface. Because the verified replacement changes only the ordering suffix, preserve the original land pattern and review the ordering table before releasing new fabrication files.
The ECP2 core operates at 1.2 V, so power integrity and sequencing require attention even though no other voltage values are stated here. Confirm the complete supply set, current limits, startup behavior, and decoupling requirements in the manufacturer documentation before assigning the power tree. Place bypass capacitors close to their associated supply pins and use the reference layout and layer stack recommended for the BFQFP package to limit impedance variation across the device.
Do not treat 21K LUTs as a guarantee that a design will fit. Utilization depends on routing congestion, memory inference, arithmetic requirements, clocking resources, and I/O constraints. Estimate utilization and timing with the actual logic and constraints, then reserve routing headroom. Likewise, a -7 speed grade is not a complete timing guarantee; clock-domain constraints, I/O timing, external component delays, and board-level skew must be included in the design sign-off process.
Plan configuration, clock, and user-I/O routing early because the 208-pin package provides many physical connections but only 131 user I/O. Keep sensitive clock paths short and away from high-slew-rate outputs, observe the manufacturer guidance for configuration pins, and avoid long stubs on programmable inputs. A controlled escape pattern for the 1.2 V core and all ground connections is especially important for maintaining predictable performance across the large BFQFP footprint.
규정 준수 정보
Compliance attributes are not identified in the manufacturer or distributor information used for this product. The -7 ordering code is a speed grade and should not be interpreted as an AEC-Q100 qualification statement.