EP3C80F484C6 - Cyclone III FPGA 81K LE 484-FBGA | Altera
MPN： EP3C80F484C6 ⚠ 最後購買機會EP3C80F484C6 概覽
A Field Programmable Gate Array (FPGA) is a programmable logic device that allows engineers to implement custom digital circuits through configurable logic blocks (CLBs), programmable interconnects, and dedicated hardware resources such as embedded multipliers, memory blocks, and high-speed transceivers. FPGAs sit in the broader taxonomy of programmable logic devices -> logic ICs -> integrated circuits, offering hardware-level parallelism and reconfigurability that microcontrollers and ASICs cannot match for high-throughput or evolving-design applications.
Key features of the EP3C80F484C6 include up to 472.5 MHz maximum operating frequency, 488 (18x18) embedded multipliers for DSP workloads, four phase-locked loops (PLLs) for clock management, and support for external memory interfaces including DDR, DDR2, SDRAM, and QDRII SRAM. The device supports popular I/O standards such as LVDS, SSTL, HSTL, and PCI/PCI-X through its 484-ball FBGA interface, enabling flexible system integration.
The Cyclone III architecture leverages a 65 nm low-power process and an efficient logic fabric to deliver high logic density at low static power. Embedded memory blocks (M9K) total 2,810,880 bits, distributed across the die for high-bandwidth local storage. The combination of logic density, DSP blocks, and memory makes the EP3C80F484C6 well suited for digital signal processing, video bridging, industrial control, and communications infrastructure.
Typical applications include industrial motor control, video surveillance and image processing, software-defined radio front-ends, and embedded vision systems. The Cyclone III family was a popular low-power choice for cost-sensitive, high-volume designs during the late 2000s, and parts remain available through authorized distributors supporting long-lifecycle programs.
When designing with this device, ensure proper decoupling on each power rail (VCCINT, VCCA, VCCIO) and follow Altera's recommended FPGA PCB layout guidelines for BGA packages. Engineers should also verify the latest Quartus II support status, as Intel/Altera has since introduced Cyclone IV and Cyclone V successors; however, EP3C80F484C6 remains widely deployed in existing designs.
This page synthesizes distributor pricing, drop-in Cyclone III family alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select, source, and design with this legacy FPGA confidently.
直接替換替代品，適用於 EP3C80F484C6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EP3C80F484C6 （相同外形與佔位） — 差異在於 Package, Speed Grade, Process Technology, RoHS Status, Device Type.
EP3C80F484C6N
✅ 直接替換聯絡詢價
查看資料表 →EP3C80F484I7N
✅ 直接替換聯絡詢價
查看資料表 →EP3C120F484C7N
✅ 直接替換聯絡詢價
查看資料表 →EP3C120F484I7N
✅ 直接替換聯絡詢價
查看資料表 →EP3C55F484C6N
✅ 直接替換聯絡詢價
查看資料表 →EP4CE80F484
✅ 直接替換📋 參考替代品（不在目錄中）
EP3C80F484C6 最大額定值與電氣特性
| Family | Cyclone III |
| Logic Elements | 81,264 |
| Total Memory Bits | 2,810,880 |
| Number of CLBs | 81,264 |
| Number of Logic Cells | 81,264 |
| User I/O Count | 295 |
| Maximum Operating Frequency | 472.5 MHz |
| Embedded Multipliers (18x18) | 488 |
| Number of PLLs | 4 |
| Process Technology | 65 nm CMOS |
| Core Supply Voltage | 1.2 V |
| 封裝 | 484-ball FBGA (FineLine BGA) |
| Package Dimensions | 23 x 23 mm |
| Ball Pitch | 1.0 mm |
| Operating Temperature Grade | Commercial |
| 安裝類型 | Surface Mount |
EP3C80F484C6 23 x 23 mm 腳位配置指南
EP3C80F484C6（23 x 23 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： EP3C80F484C6.
請參閱 資料表 以查看完整腳位配置。
典型應用
EP3C80F484C6 適用於 6 應用s: Industrial Motor Control, Video Surveillance / Image Processing, Software-Defined Radio (SDR) Front-End, Embedded Vision Systems, Communications Infrastructure (Bridged Networks), Test & Measurement Instrumentation.
Industrial Motor Control
The EP3C80F484C6 suits industrial motor control with 488 (18x18) embedded multipliers that accelerate field-oriented control (FOC) and space-vector PWM algorithms. Its 81,264 logic elements handle quadrature encoder decoding, current-loop PI controllers, and safety logic in a single device. The 484-ball FBGA supports 295 user I/Os for parallel encoder interfaces, gate-driver signals, and isolated communication links. Operating at up to 472.5 MHz, the FPGA executes complex control loops at microsecond latency, enabling high-bandwidth servo and variable-frequency drive designs where discrete DSPs would be more expensive.
推薦
Video Surveillance / Image Processing
The EP3C80F484C6 supports multi-channel video surveillance with 2,810,880 embedded memory bits acting as line buffers and frame stores for HD video pipelines. Its 488 DSP multipliers handle real-time edge detection, motion estimation, and JPEG/MJPEG compression at full frame rate. The 295 user I/Os accept multiple parallel camera interfaces (BT.656, BT.1120, LVDS) and drive HDMI or HDMI-style serializers to displays. The 65nm low-power process keeps thermal dissipation manageable in sealed outdoor enclosures where passive cooling is required.
推薦
Software-Defined Radio (SDR) Front-End
The EP3C80F484C6 enables SDR front-end designs using its 488 hardware multipliers for digital down-conversion (DDC), digital up-conversion (DUC), and channelization filters. The four on-chip PLLs generate sample-rate clocks for ADC/DAC interfaces, while the 2,810,880 memory bits buffer IQ data streams between processing stages. The 484-ball FBGA exposes 295 I/Os, including LVDS pairs suited to wide-bandwidth ADC/DAC data buses. At up to 472.5 MHz, the FPGA handles narrowband and moderate-bandwidth waveforms commonly used in public-safety, ISM, and amateur radio platforms.
推薦
Embedded Vision Systems
The EP3C80F484C6 powers embedded vision systems including machine-vision inspection, robotics, and ADAS sensor processing. Its 81,264 logic elements implement convolutional neural network (CNN) accelerators for simple object detection, while 488 (18x18) multipliers parallelize MAC operations for vision pipelines. The 2,810,880 bits of embedded memory serve as feature-map and weight storage, eliminating external SRAM in compact designs. The 484-ball FBGA package supports high-bandwidth camera serial interface (MIPI CSI-2 via soft IP) and parallel sensor I/O for industrial cameras.
推薦
Communications Infrastructure (Bridged Networks)
The EP3C80F484C6 is well suited to bridging legacy communications interfaces in factory networks, where its 81,264 logic elements implement protocol converters (RS-485 to Ethernet, PROFIBUS to PROFINET) at line rate. The 295 user I/Os accommodate multi-port bridges with galvanic isolation, while 488 hardware multipliers handle CRC, encryption, and packet-processing acceleration. The four PLLs derive independent clocks for Ethernet PHYs, serial transceivers, and timing-sensitive industrial buses. The 484-ball FBGA supports LVDS for backplane interconnection.
推薦
Test & Measurement Instrumentation
The EP3C80F484C6 serves as the digital engine in test and measurement instruments such as protocol analyzers, logic analyzers, and arbitrary waveform generators. Its 2,810,880 memory bits buffer deep capture traces, while 488 multipliers enable on-the-fly DSP for signal conditioning and statistical analysis. The 295 user I/Os support parallel probe channels, and four PLLs synthesize multiple test-rate clocks from a single reference. The 484-ball FBGA with 1.0 mm pitch balances I/O density with manageable PCB routing for production instrumentation.
推薦
推薦產品摘要
工程參考資料，適用於 EP3C80F484C6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EP3C80F484C6N | EP3C80F484I7N | EP3C120F484C7N | EP3C55F484C6N | EP4CE80F484 |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 484-ball FBGA | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same |
| Logic Elements | 81,264 | 81,264 | 81,264 | 119,088 | 55,856 | ~78,000 |
| Embedded Memory (bits) | 2,810,880 | 2,810,880 | 2,810,880 | 3,981,312 | 2,396,160 | ~2,800,000 |
| Embedded Multipliers (18x18) | 488 | 488 | 488 | 576 | 312 | ~400 |
| Temperature Grade | Commercial | Commercial (Pb-free) | Industrial | Commercial | Commercial (Pb-free) | Commercial |
| Process Node | 65 nm | 65 nm | 65 nm | 65 nm | 65 nm | 60 nm |
主要差異化特點
- Highest-density Cyclone III in 484-ball FBGA package (對比EP3C55F484C6N)
- Industrial temperature variant in same package (對比EP3C80F484I7N)
- Lower power upgrade path with Cyclone IV E (對比EP4CE80F484)
設計說明
The EP3C80F484C6 requires three separate power rails: VCCINT (1.2 V core), VCCA (2.5 V PLL analog), and VCCIO (1.2 V-3.3 V I/O banks). Use a power-on reset sequencer or POR circuit to ensure VCCA rises no faster than VCCINT to prevent latch-up. Decouple each rail with bulk, mid-frequency, and high-frequency capacitors placed as close to the BGA balls as the PCB escape routing allows. Total quiescent current scales with logic utilization and clock frequency; estimate using the Cyclone III PowerPlay Early Power Estimator.
The 484-ball FBGA with 1.0 mm pitch requires at least 4 PCB layers with a dedicated ground plane under the device for return-path integrity. Use microvia (laser-drilled) stack-up to fan out the inner-row balls; dog-bone fan-out is acceptable but limits routing density. Match trace lengths within LVDS pairs to within 10 mils to maintain signal integrity at high toggle rates. Reference the Cyclone III Board Design Guidelines from the device handbook for via-in-pad, decoupling, and EMI recommendations.
Do not confuse 'C' (commercial temp grade) with 'I' (industrial) in the suffix - C6 is commercial, I7 is industrial. Verify MSEL[2:0] pins match the desired configuration scheme (AS, AP, FPP, PS) before PCB layout because these pins are not reconfigurable after board build. Always instantiate the Altera ALTPLL and ALTLVDS megafunctions from the Quartus II IP catalog rather than coding custom PLLs, as this guarantees silicon-validated timing closure. Confirm the latest Quartus II version supports your chosen Cyclone III device; legacy versions lack bug fixes for newer errata.
合規資訊
RoHS/REACH compliance status not explicitly stated in the provided Verified Web Data - set to 'unknown' per Data Authenticity Rules. The 'C6' suffix indicates commercial temperature grade; the 'N' suffix (e.g. EP3C80F484C6N) typically denotes Pb-free/RoHS-compliant variants.