EP3C5U256I7N - Cyclone III FPGA 5K LE 256-UBGA | Intel
부품 번호: EP3C5U256I7N ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $42.44 | $42.44 |
| 10 | $38.95 | $389.50 |
| 100 | $33.8 | $3,380.00 |
| 500 | $28.5 | $14,250.00 |
| 1,000 | $24.1 | $24,100.00 |
EP3C5U256I7N 개요
A Cyclone III FPGA is a reprogrammable logic device that sits in the programmable logic hierarchy between a CPLD (typically <2K logic elements, non-volatile) and a high-end FPGA such as Stratix or Arria (hundreds of thousands of LE, transceivers, hardcore processors). Cyclone III targets cost- and power-sensitive applications such as industrial control, video bridging, and I/O expansion. Within the broader system hierarchy it is a programmable logic IC -> logic semiconductor -> integrated circuit, complementing microcontrollers and ASICs when parallel processing, custom I/O timing, or hardware acceleration is required.
Key features of the EP3C5U256I7N include 5,136 logic elements, 423,936 total RAM bits organized into M9K blocks, 182 user I/O pins across 8 I/O banks, 2 PLLs for clock management, 23 embedded 18x18 multipliers, and support for LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards. The device integrates configuration memory (SRAM-based) and supports multiple configuration schemes including JTAG, Active Serial (AS), Active Parallel (AP), and Passive Serial (PS) modes.
The EP3C5U256I7N leverages a 65 nm SRAM-based architecture with on-chip voltage regulation and a static core power of approximately 50 mW at nominal conditions. Designers can use the Quartus II / Quartus Prime design suite (web edition or subscription) for synthesis, place-and-route, and timing closure. The 256-ball UFBGA package exposes 8 I/O banks with independent VCCIO rails, allowing mixed-voltage interfacing (1.2 V to 3.3 V) without external level shifters.
Typical applications include industrial motor control, video format conversion, protocol bridging (UART/SPI/I2C to Ethernet or USB), LED display controllers, machine vision pre-processing, and low-density ASIC prototyping. The 5K LE density comfortably fits soft-core processors such as Nios II/e or Nios II/f along with custom peripherals in a single device.
When designing with the EP3C5U256I7N, plan for at least four PCB layers with a continuous ground plane beneath the BGA, and provide 0.1 uF + 10 uF decoupling near every VCC/VCCIO pin pair. The configuration mode pins (MSEL) must be tied to the correct pattern for the selected programming mode (AS = 00, AP = 01, PS = 10, JTAG = 11 in many Cyclone III references). For long-term reliability, observe the maximum junction temperature of 100C for the industrial speed grade I7.
This page synthesizes real-time distributor pricing, same-package drop-in alternatives from the Cyclone III family, and practical design notes that go beyond the manufacturer handbook.
드롭인 대체품: EP3C5U256I7N — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: EP3C5U256I7N (동일 폼 팩터 및 풋프린트) — 차이점: Process Technology, Package, Operating Temperature, Speed Grade, Logic Elements.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
EP3C5U256I7
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$23.65 / 개
데이터시트 보기 →EP3C5U256C8N
✅ 드롭인✓ 재고 있음
$19.85 / 개
데이터시트 보기 →EP3C5U256C7N
✅ 드롭인✓ 재고 있음
$17.85 / 개
데이터시트 보기 →EP3C5U256C6N
✅ 드롭인✓ 재고 있음
$25.4 / 개
데이터시트 보기 →EP3C5U256A7N
✅ 드롭인✓ 재고 있음
$16.2 / 개
데이터시트 보기 →EP3C10U256C8N
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
EP3C25F256I7N
✅ 드롭인✓ 재고 있음
$27.2 / 개
데이터시트 보기 →EP3C5U256I7N 최대 정격 & 전기적 특성
| Family | Cyclone III |
| Logic Elements | 5,136 |
| Total RAM Bits | 423,936 |
| Maximum User I/O | 182 |
| Embedded 18x18 Multipliers | 23 |
| PLLs | 2 |
| Global Clock Networks | 10 |
| Core Voltage | 1.2 V |
| Process Technology | 65 nm low-k copper |
| Internal Operating Frequency | 437.5 MHz (max) |
| 패키지 | 256-ball UFBGA (UBGA) |
| 동작 온도 | -40C to +100C (industrial, speed grade I7) |
| I/O Banks | 8 |
| Configuration Modes | AS, AP, PS, JTAG |
| 실장 유형 | Surface Mount (BGA) |
EP3C5U256I7N 256-ball ufbga (ubga) 핀 구성 가이드
EP3C5U256I7N(256-ball ufbga (ubga) 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: EP3C5U256I7N.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
EP3C5U256I7N 적합 용도: 6 애플리케이션s: Industrial Motor Control, Video Format Conversion and Bridging, Protocol Bridging (UART/SPI/I2C to Ethernet/USB), LED Display Controllers, ASIC Prototyping and Emulation, I/O Expansion and Custom Peripherals.
Industrial Motor Control
The EP3C5U256I7N fits industrial motor control because its 23 embedded 18x18 multipliers and 182 user I/O pins deliver enough DSP throughput for Field-Oriented Control (FOC) loops while leaving headroom for encoder feedback and gate-driver interfaces. With 5,136 logic elements and 423,936 bits of RAM, the device can implement a complete FOC algorithm, soft-core Nios II/e supervisory logic, and PWM generation in a single chip. The 256-ball UFBGA exposes 8 I/O banks, so designers can directly connect to 3.3 V Hall sensors and 5 V gate drivers without external level shifters.
추천
Video Format Conversion and Bridging
The EP3C5U256I7N suits video format conversion because its 437.5 MHz internal frequency and 23 hardware multipliers handle DVI/HDMI timing conversion and color-space matrix math. The 256-ball UFBGA package exposes enough LVDS pairs to drive parallel RGB or LVDS display panels. Its 5K LE density fits a complete video pipeline (input capture, scaling, frame-rate conversion, output timing) for resolutions up to 1080p60. Designers commonly pair the FPGA with an external SDRAM for line buffering and a TMDS driver for HDMI output.
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Protocol Bridging (UART/SPI/I2C to Ethernet/USB)
The EP3C5U256I7N is ideal for protocol bridging because its 182 user I/O pins accept many slow serial peripherals (UART, SPI, I2C, CAN) and its PLLs (2) generate the precise 50 MHz or 125 MHz clocks required by MII/RMII Ethernet MACs. A Nios II/f soft core running uCLinux or a hardware state machine can convert legacy industrial protocols to TCP/IP or USB. The 423,936 bits of RAM buffer packet data without external memory for many bridging scenarios.
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LED Display Controllers
The EP3C5U256I7N drives LED display walls because its 23 multipliers and 437.5 MHz fabric handle gamma correction and brightness modulation across thousands of channels. The 256-ball UFBGA exposes enough LVDS pairs to send serialized pixel data to receiver cards over long cables. Designers can scale to multiple EP3C5 devices using the global clock networks (10) for synchronized refresh. The 5K LE density fits a complete controller plus HDMI input.
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ASIC Prototyping and Emulation
The EP3C5U256I7N serves as an ASIC prototyping vehicle because its 65 nm process provides realistic timing characteristics for sub-100 MHz ASIC designs. Designers can map up to 5,136 logic elements of synthesizable ASIC RTL into the FPGA and validate firmware before tape-out. The 256-ball UFBGA exposes 182 I/O for ASIC pin-out emulation, and the Quartus Prime software offers SignalTap logic analyzer integration. For larger ASICs, multiple EP3C5 boards can be daisy-chained via LVDS.
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I/O Expansion and Custom Peripherals
The EP3C5U256I7N is widely used as an I/O expander for single-board computers, microcontrollers, and SoCs that lack sufficient GPIO, PWM channels, or special-purpose interfaces. The 8 I/O banks accept mixed voltages from 1.2 V to 3.3 V, letting a single FPGA interface a 1.8 V SoC and 3.3 V sensors directly. A SPI or parallel bus from the host CPU configures the FPGA at boot via slave SelectMAP or PS mode. The 5K LE capacity easily implements dozens of PWM generators, quadrature counters, or stepper-motor sequencers.
추천
추천 제품 요약
엔지니어링 참조 데이터: EP3C5U256I7N — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | EP3C5U256I7 | EP3C5U256C8N | EP3C5U256C7N | EP3C5U256C6N | EP3C5U256A7N |
|---|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | 256-ball UFBGA | 256-ball UFBGA (same) | 256-ball UFBGA (same) | 256-ball UFBGA (same) | 256-ball UFBGA (same) | 256-ball UFBGA (same) |
| Logic Elements | 5,136 | 5,136 | 5,136 | 5,136 | 5,136 | 5,136 |
| Total RAM Bits | 423,936 | 423,936 | 423,936 | 423,936 | 423,936 | 423,936 |
| Maximum User I/O | 182 | 182 | 182 | 182 | 182 | 182 |
| Embedded 18x18 Multipliers | 23 | 23 | 23 | 23 | 23 | 23 |
| Speed Grade | I7 (industrial) | I7 (industrial) | C8 (commercial, slower) | C7 (commercial) | C6 (commercial, slowest) | A7 (automotive) |
| Operating Temperature | -40C to +100C (industrial) | -40C to +100C | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | -40C to +125C (automotive) |
주요 차별점
- Industrial temperature grade (-40C to +100C) at the I7 speed grade (vs EP3C5U256C8N)
- Highest speed grade in the EP3C5 family (I7) (vs EP3C5U256C6N)
- Smallest die in the Cyclone III family with 182 user I/O - extreme I/O density per logic element (vs EP3C10U256C8N)
설계 노트
The 256-ball UFBGA has a 1.0 mm ball pitch and requires a 4-layer PCB minimum with a continuous ground plane directly beneath the BGA. Use 0.1 uF + 10 uF decoupling pairs near every VCC and VCCIO ball, and route all configuration and JTAG signals with 50 ohm controlled impedance. Via-in-pad is recommended for inner balls to escape the BGA; otherwise use dog-bone fan-out with 0.2 mm via holes.
Cyclone III is a low-power family: estimated static core power is ~50 mW at nominal 1.2 V, and dynamic power scales with toggle rate and clock frequency. At 437.5 MHz with 50% toggle rate, estimated total power stays below 1 W - no heatsink is required. However, in enclosed industrial cabinets at 70C ambient, provide at least 1 oz copper pour on both outer layers and 5-10 thermal vias to the inner ground plane.
The MSEL[2..0] pins must be tied to the correct pattern for the chosen configuration mode (AS x1 = 000, AP x8 = 010, PS x1 = 100, JTAG-only = 110 in many Cyclone III references). If MSEL is left floating or incorrectly tied, the device will fail to configure. Always connect nCONFIG to VCC via a 10 kohm pull-up, and add a JTAG chain header for in-system programming. Do not forget the EPCS configuration flash when using AS mode; the FPGA expects a specific bitstream header.
규정 준수 정보
RoHS and REACH compliance confirmed in the Cyclone III Device Handbook. AEC-Q100 is not applicable because the EP3C5U256I7N (I7 grade) targets industrial not automotive; for AEC-Q100 applications choose the A7 speed grade variant EP3C5U256A7N.
