EP2C20F256I8 - Cyclone II FPGA 18,752 LE, 256-BGA | Altera
부품 번호: EP2C20F256I8 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $24.2449 | $24.24 |
| 10 | $22.52 | $225.20 |
| 100 | $20.01 | $2,001.00 |
| 500 | $17.83 | $8,915.00 |
| 1,000 | $16.42 | $16,420.00 |
EP2C20F256I8 개요
An FPGA is an integrated circuit whose logic fabric is configured after manufacturing by loading a configuration bitstream. Instead of executing sequential software, it creates parallel hardware datapaths: designers write HDL, synthesize logic into logic elements, routing and I/O blocks, and configure the device in-system. Cyclone II FPGAs are SRAM-based, so they are volatile and need to reload their bitstream at power-up from flash, a host processor, or an Altera configuration device. In product hierarchy, this part is an FPGA -> SRAM-based FPGA -> mid-range Cyclone II -> Altera programmable logic family.
Headline features include 18,752 logic elements, 239,616 RAM bits, and 152 user I/O pins. The 1.2 V core logic family is CMOS, and the 256-ball BGA has a moderate footprint that suits parallel bus designs and controlled-impedance board layouts. The industrial-temperature suffix widens the allowable ambient operating range compared with commercial C-grade siblings. The device supports JTAG and active/passive serial configuration modes, allowing flexible factory programming and in-field updates.
Architecturally, Cyclone II places logic in logic array blocks together with embedded memory blocks, and connects the fabric through programmable routing to I/O banks. The 90 nm low-cost process balances density, power, and unit price for cost-sensitive systems. Since Cyclone II is SRAM-based, the non-volatile configuration solution must be selected early; typical choices include an EPC-series configuration device or a host microcontroller that loads the .rbf/.pof image at power-on.
Typical applications include industrial control and motor-drive interfaces, communication bridging, video/image preprocessing, test instrumentation, and IoT edge gateways. The 152 I/O pins give designers enough flexibility to connect memories, ADCs, DACs, transceivers, and human-machine-interface peripherals. The 239,616 RAM bits are useful for FIFOs, small line buffers, and coefficient tables, reducing the need for external SRAM in moderate-size designs.
Designers should decouple the 1.2 V core rail thoroughly and follow Altera Cyclone II board-layout guidance for the F256 BGA. Because exact current and thermal figures were not included in the fetched distributor data, use the official Cyclone II power calculator and the device handbook to size regulators and heatsinking before production.
This page adds distributor context, ordering-code alternatives, and practical design guidance beyond the bare datasheet, helping engineers complete sourcing and design triage more quickly.
드롭인 대체품: EP2C20F256I8 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: EP2C20F256I8 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Process Technology, Total RAM Bits, Speed Grade, Embedded Multipliers (18x18).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
EP2C20F256I8N
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$43.5 / 개
데이터시트 보기 →EP2C20F256C8N
✅ 드롭인✓ 재고 있음
$20.85 / 개
데이터시트 보기 →EP2C20F256C8
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$24.8 / 개
데이터시트 보기 →EP2C20F256C7N
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$38.5 / 개
데이터시트 보기 →EP2C20F256C6N
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$41.5 / 개
데이터시트 보기 →EP2C20F256I8 최대 정격 & 전기적 특성
| FPGA Family | Cyclone II |
| Number of Logic Elements | 18752 LE |
| Total RAM Bits | 239616 bits |
| Number of User I/O | 152 |
| Package Type | 256-LBGA (FBGA-256) |
| 핀 수 | 256 |
| Core Supply Voltage | 1.2 V |
| Logic Family | CMOS |
| Process Technology | 90 nm CMOS |
| Speed Grade | 8 |
| Temperature Grade | Industrial (I) |
| Configuration Memory | SRAM-based |
| 장착 스타일 | Surface Mount |
| Terminal Form | BALL |
EP2C20F256I8 256-lbga (fbga-256) 핀 구성 가이드
EP2C20F256I8(256-lbga (fbga-256) 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: EP2C20F256I8.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
EP2C20F256I8 적합 용도: 6 애플리케이션s: Industrial Automation and Motor Control, Communication and Protocol Bridging, Video and Image Preprocessing, Test and Measurement Instrumentation, IoT and Edge Gateway Logic, Robotics and Motion Control.
Industrial Automation and Motor Control
The EP2C20F256I8 fits industrial automation because its industrial-temperature suffix is intended for factory-floor and outdoor-unconditioned equipment. Its 18,752 logic elements can implement encoder decoding, PWM generation, cascaded PID loops, and fieldbus bridging, while 239,616 RAM bits provide small queue and coefficient storage. The 152 user I/O pins connect to position sensors, current-sense ADCs, gate-driver inputs, and isolated UART/RS-485 transceivers. In motor-drive applications the FPGA is often placed between a host MCU and power-stage gate drivers, performing real-time commutation and fault handling in parallel hardware. If the final system must operate above or below the commercial temperature envelope, this industrial part provides a useful ordering-code margin for the programmable logic itself. The FPGA should be powered from a clean 1.2 V rail and configured from a non-volatile memory at every power-up.
추천
Communication and Protocol Bridging
EP2C20F256I8 is well suited for communication bridging because its parallel fabric can simultaneously handle multiple serial protocols and data reformatting engines. The 18,752 logic elements are sufficient for UART-to-SPI, Ethernet framing assist, CAN message handling, or custom packet parsing, while 239,616 RAM bits provide FIFO and descriptor buffering between clock domains. The 152 user I/O support connections to PHYs, line transceivers, LVDS-style links, and memory interfaces. In a typical industrial gateway, the FPGA exchanges data with a host processor, performs protocol translation, and drives isolated fieldbus transceivers. Because the device is SRAM-based, a supervisor or external CPLD should sequence the configuration load and hold reset until the FPGA is operational. The industrial-temperature grade adds robustness for communications equipment in plant-floor or roadside cabinets.
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Video and Image Preprocessing
The EP2C20F256I8 supports video and image preprocessing because 239,616 RAM bits can implement line buffers and small frame stores, while the programmable logic performs pixel-level operations in parallel. Designers can synthesize Bayer-to-RGB conversion, color space correction, thresholding, edge detection, or simple convolution kernels inside the FPGA fabric. The 152 user I/O pins connect to CMOS image sensors, display drivers, and DDR/SDRAM controller chips when larger image storage is required. Because the industrial I8 variant is intended for harsher environments, it is suitable for outdoor surveillance cameras, machine-vision equipment, and kiosk displays. For high-resolution or high-frame-rate processing, confirm that the speed grade 8 timing model meets the pixel clock requirement; a faster grade such as 6 or 7 may be selected for more demanding systems.
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Test and Measurement Instrumentation
In test and measurement equipment, the EP2C20F256I8 can act as a flexible data-acquisition and sequencing engine. Its 152 user I/O pins connect to high-speed ADCs, DACs, comparators, and digital control buses, while the FPGA fabric implements timing generators, trigger logic, decimation filters, and data formatting without loading a host CPU. The 18,752 logic elements allow several acquisition channels and a small embedded state machine to run concurrently. The 239,616 RAM bits provide acquisition FIFOs and calibration tables. The industrial-temperature suffix is valuable for benchtop and rack instruments that may be operated in warm environments. Because measurement applications often require repeatable start-up, use the active or passive serial configuration mode with a dedicated configuration device to ensure the FPGA loads deterministic firmware before measurement begins.
추천
IoT and Edge Gateway Logic
The EP2C20F256I8 is useful in IoT and edge gateways for offloading deterministic I/O, sensor aggregation, and protocol framing from the main applications processor. Its compact 256-FBGA package and industrial-temperature ordering option make it practical for DIN-rail gateways, remote terminal units, and outdoor edge computers. The 18,752 logic elements can implement multiple UARTs, SPI controllers, I2C bridges, and simple Ethernet packet processing; the 239,616 RAM bits provide small packet buffers. The 152 I/O pins can connect to sensors, memory, and wireless module parallel interfaces. Since an FPGA introduces a separate firmware image, the gateway software must manage the configuration file, versioning, and fail-safe update procedure. The 1.2 V core should be supplied from a dedicated regulator with adequate decoupling for reliable field operation.
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Robotics and Motion Control
The EP2C20F256I8 is a solid fit for robotics and motion control because its programmable hardware can execute multiple joint-control loops, safety interlocks, and communication protocols in parallel. With 18,752 logic elements, a designer can implement step/direction generation, quadrature encoder decoding, torque loop math, and trajectory profile logic in the same FPGA. The 239,616 RAM bits provide lookup tables and command queues for smooth motion profiles. The 152 user I/O connect to servo drive interfaces, brake circuits, and feedback sensors. The industrial-temperature I8 ordering code is important in robot cabinets and moving machinery where ambient temperature can rise well above normal indoor levels. In deployment, ensure the FPGA configuration is reloaded after each power cycle and that safety-critical faults are handled by hardware logic independent of software.
추천
추천 제품 요약
엔지니어링 참조 데이터: EP2C20F256I8 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | EP2C20F256I8N | EP2C20F256C8N | EP2C20F256C8 | EP2C20F256C7N | EP2C20F256C6N |
|---|---|---|---|---|---|---|
| Package | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Number of Logic Elements | 18752 LE | 18752 LE | 18752 LE | 18752 LE | 18752 LE | 18752 LE |
| Total RAM Bits | 239616 bits | 239616 bits | 239616 bits | 239616 bits | 239616 bits | 239616 bits |
| Number of User I/O | 152 | 152 | 152 | 152 | 152 | 152 |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Speed Grade | 8 | 8 | 8 | 8 | 7 | 6 |
| Temperature Grade | Industrial (I) | Industrial (I) | Commercial (C) | Commercial (C) | Commercial (C) | Commercial (C) |
주요 차별점
- Industrial-temperature ordering code in the same 256-FBGA package (vs EP2C20F256C8N)
- Speed grade 8 is available in an industrial-temp ordering option (vs EP2C20F256C7N and EP2C20F256C6N)
- Direct lead-free sibling exists without changing electrical function (vs EP2C20F256I8N)
설계 노트
EP2C20F256I8 uses a 1.2 V core supply. Use a dedicated low-noise regulator sized after reading the Cyclone II power calculator, and place 0.1 uF ceramic capacitors near every core supply pin with additional bulk capacitance on the power plane. Separate I/O bank supplies should be filtered and matched to the interface voltage standards. FPGAs draw configuration and dynamic current in bursts, so the power supply must maintain regulation during configuration startup. Follow the Cyclone II device handbook guidance for decoupling and power sequencing.
The 256-ball FBGA package requires careful fanout: route core and I/O supply balls to an internal power plane through short vias, and place decoupling capacitors on the opposite side of the BGA when possible. Maintain the differential or single-ended trace impedance required by the connected interfaces. A typical 4-layer or 6-layer stack is advisable for this pin count. Reference the Cyclone II pin tables and board-layout guidelines in the manufacturer handbook for exact pin assignments and recommended via patterns.
Cyclone II is SRAM-based and loses its configuration when power is removed. Do not assume the FPGA is ready immediately after power-up; hold downstream logic in reset until the configuration device has loaded the bitstream. If firmware must be updated in the field, verify the remote update controller and configuration device connection early in the design. Also remember that an industrial-temperature FPGA does not make the whole board industrial-grade; check surrounding components and power supply temperature ratings.
규정 준수 정보
Fetched data did not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict minerals status. Altera/Intel parts with an N suffix typically denote a lead-free finish; EP2C20F256I8 has no N suffix, so verify compliance markings and datasheet status before assembly.
