EP3C16U256I7 - 16K LEs, 168 I/O FPGA | Altera
부품 번호: EP3C16U256I7 ✓ 활성EP3C16U256I7 개요
A field-programmable gate array, or FPGA, is a semiconductor whose digital logic, memory, and interconnect are configured after fabrication. An FPGA belongs to the programmable-logic hierarchy, where it combines configurable logic elements, block RAM, general-purpose I/O, clocking, and programmable routing. This implementation provides a compact alternative to combining multiple discrete logic devices while retaining design flexibility and field-updatable configurations.
The verified device data identifies 16,320 logic elements, 516,096 RAM bits, 168 I/O pins, a 256-LFBGA package, and an industrial temperature grade. The 16,320 logic-element count provides substantial parallel processing capacity for control logic, interface bridging, protocol handling, and moderate-complexity digital signal processing. The 516,096 RAM bits add configurable storage for buffers, packet data, state machines, and lookup data.
The Cyclone III architecture integrates programmable logic elements, embedded memory resources, and general-purpose input/output structures into one integrated device. These resources can be combined for parallel datapaths, finite-state machines, bus interfaces, and control engines. Because configuration and interconnect are programmable, engineers can adapt the same hardware platform across multiple product variants without changing the physical FPGA package.
Typical uses include industrial factory controllers, communication equipment, test systems, embedded instrumentation, and network-interface subsystems. In an industrial controller, the 168 available I/O support connections among sensors, actuators, field buses, and status indicators. In a communication design, the logic elements can implement protocol framing while the RAM resources support packet buffering and temporary data storage.
The 256-LFBGA package requires careful PCB layout because its 256 ball terminals provide limited escape routing and demand short, controlled-length connections to power, ground, configuration, clock, and user I/O. Adequate via access, solid plane connectivity, decoupling, and assembly-process control are essential for reliable implementation. Configuration storage and programming-device compatibility should also be reviewed before committing the design to production.
This page combines verified distributor pricing and availability information with the device's reported FPGA resources, package details, application analysis, and a strict same-package replacement comparison. It also distinguishes confirmed drop-in candidates from family variants and flags technical details that require confirmation from the manufacturer datasheet.
드롭인 대체품: EP3C16U256I7 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: EP3C16U256I7 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Logic Elements, Mounting Type, Process Technology, Total Memory Bits.
EP3C16F256I7N
✅ 드롭인가격 문의
데이터시트 보기 →EP3C16U256I7N
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
EP3C16F256I7N
✅ 드롭인가격 문의
데이터시트 보기 →EP3C10U256I7
✅ 드롭인가격 문의
데이터시트 보기 →EP3C16U256C8N
✅ 드롭인 ⚠️ 사양 미검증가격 문의
데이터시트 보기 →EP3C16U256I7 최대 정격 & 전기적 특성
| Device Type | Cyclone III Field Programmable Gate Array (FPGA) |
| Logic Elements | 16,320 |
| RAM Bits | 516,096 bits |
| Number of I/O | 168 |
| 패키지 | 256-LFBGA |
| Number of Terminals | 256 balls |
| 실장 유형 | Surface Mount |
| Temperature Grade | Industrial |
| Form of Terminal | Ball |
| Package Shape | Rectangular |
| Manufacturer | Altera |
| Series | Cyclone III |
| Logic Family | FPGA |
| Programmable I/O Count | 168 |
EP3C16U256I7 rectangular 핀 구성 가이드
EP3C16U256I7(rectangular 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: EP3C16U256I7.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
EP3C16U256I7 적합 용도: 6 애플리케이션s: Industrial Factory Controllers, Communication Protocol Controllers, Test and Measurement Instrumentation, Network Interface Subsystems, Embedded Data Acquisition, Programmable Logic Control.
Industrial Factory Controllers
The EP3C16U256I7 fits industrial factory controllers because it combines 16,320 logic elements, 516,096 RAM bits, and 168 I/O in one programmable device. Those resources can execute machine sequencing, sensor-state logic, actuator control, diagnostic routines, and field-bus interface functions without splitting the design across many discrete devices. Its industrial temperature grade and 256-LFBGA package also support compact controller boards with dense interconnects. The principal design consideration is assigning every power, ground, configuration, clock, and user I/O ball from the verified package map; the supplied data does not expose the detailed ball assignments. Logic utilization should remain comfortably below device capacity, and timing closure should include worst-case I/O activity. External protection, filtering, isolation, and surge control remain necessary because FPGA I/O ratings alone do not make a field connector industrial-safe.
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Communication Protocol Controllers
The EP3C16U256I7 is suitable for implementing communication protocol controllers that process framed data across multiple channels. Its 16,320 logic elements can support parallel state machines, CRC engines, filters, and packet-header parsing, while 516,096 RAM bits provide space for buffering and temporary payload storage. The 168 I/O allow direct connections to serial transceivers, status signals, clocks, and control logic. A practical architecture places the FPGA beside PHY or line-interface devices, with the FPGA handling protocol timing and routing. Designers should use the manufacturer timing specifications to establish clock-rate margins and should not infer the maximum baud rate from the distributor snippets. Clock jitter, transceiver propagation delay, I/O timing, packet buffering, and loss-of-synchronization recovery must be validated together at system level.
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Test and Measurement Instrumentation
The EP3C16U256I7 can support programmable test and measurement logic where parallel acquisition, sequencing, pattern generation, and analysis are required. Its 16,320 logic elements are useful for digital channels, timing state machines, triggers, and data-format conversion, while the 516,096 RAM bits can buffer samples before host transfer. The 168 I/O provide connections to sensors, converters, clocks, and capture hardware. Compared with a microcontroller-centered implementation, the FPGA architecture offers parallel hardware paths and user-defined interfaces. Designers should constrain timing-critical paths, reserve logic and RAM capacity for acquisition buffers, and verify differential I/O requirements against the exact device electrical tables. The verified data does not provide differential I/O capability, maximum clock frequency, or power specifications, so none should be assumed before consulting the manufacturer datasheet.
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Network Interface Subsystems
The EP3C16U256I7 is appropriate for network interface subsystems that need configurable packet handling close to a physical-layer device. Its programmable logic can implement MAC-side buffering, filtering, framing, flow control, and status interfaces, while the FPGA's RAM resources can support FIFO structures and packet queues. The 168 I/O are suitable for parallel data buses, clocks, resets, and control signals. A practical implementation can place the FPGA between a PHY and an embedded processor, reducing host intervention for packet filtering or protocol conversion. The architecture's value comes from parallelism, but designers must validate timing against the selected PHY interface, avoid routing high-speed nets through unsupported I/O standards, and check whether the recovered 256-LFBGA alternatives have identical power and configuration pins. Interface timing closure and PHY interoperability testing remain essential before production release.
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Embedded Data Acquisition
The EP3C16U256I7 can act as the central programmable element in a compact embedded data-acquisition system. Its 16,320 logic elements can coordinate converters, perform parallel formatting, validate data sequences, and implement local triggers, while 516,096 RAM bits provide on-chip working and buffering space. The 168 I/O give designers a substantial connection budget for parallel converter buses, clock inputs, capture indicators, and configuration signals. Using the FPGA in parallel with a processor can reduce data-transfer bottlenecks because preprocessing occurs before information reaches the host. Engineering teams should allocate RAM carefully for circular capture, maintain synchronous timing through the clock tree, and reserve logic for startup and configuration checks. Analog front ends still require independent grounding, anti-alias filtering, and calibration; the FPGA does not replace those signal-chain components.
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Programmable Logic Control
The EP3C16U256I7 is well suited to programmable logic control where sequencing and parallel I/O must respond deterministically. Engineers can implement state machines, interlocks, pulse generation, counter and timer functions, and data transformation in the 16,320 available logic elements. The 516,096 RAM bits can hold lookup tables, history records, or small working queues, reducing external memory use in simpler systems. Its 168 I/O support direct sensing and command distribution across a densely connected control board. For dependable control behavior, use registered I/O paths for critical signals, document reset and configuration states, and avoid relying on uncontrolled FPGA I/O for safety-rated functions unless a separate certified safety system is used. The 256-LFBGA assembly also demands a stable power grid, dense via access, and assembly-aware layout planning to preserve high-yield manufacturing.
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추천 제품 요약
엔지니어링 참조 데이터: EP3C16U256I7 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | EP3C16F256I7 | EP3C16U256I7N | EP3C16F256I7N | EP3C10U256I7 |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 256-LFBGA | 256-LFBGA | 256-LFBGA | 256-LFBGA | 256-LFBGA |
| Device Type | Cyclone III FPGA | Cyclone III FPGA | Cyclone III FPGA | Cyclone III FPGA | Cyclone III FPGA |
| Surface-Mount Package | 256-LFBGA | 256-LBGA | 256-LFBGA family | 256-LFBGA family | 256-LFBGA family |
주요 차별점
- Higher logic capacity within the same U256 package family (vs EP3C10U256I7)
- Directly identified industrial temperature grade (vs EP3C16U256C8N)
- Confirmed 168-I/O and 516,096-RAM-bit resource profile (vs EP3C16F256I7)
- Lower verified distributor entry price (vs EP3C16U256I7N)
설계 노트
The 256-LFBGA footprint requires a dense, multilayer PCB with short power and ground connections. Place local decoupling immediately beside the corresponding balls and provide multiple ground vias around the device perimeter. Route clocks away from high-speed data paths, use a continuous reference plane for every high-speed interface, and keep the BGA escape fanout as short as possible. The verified data identifies the package but does not provide the official land pattern, so the board footprint must be taken directly from the manufacturer package drawing rather than approximated from a distributor image.
Separate core and I/O supply rails should be distributed through a low-impedance power grid, with local bulk and high-frequency decoupling implemented according to the manufacturer guidance. Do not select capacitor values or rail voltages from this page because those specifications were not present in the verified data. Confirm power-up ordering, allowable rail combinations, inrush behavior, and configuration-pin voltage limits before schematic release. Adequate supply voltage also requires checking the logic, clock, and I/O activity because these loads can vary with configuration and operating mode.
Do not treat a shared 256-ball package as proof of a drop-in replacement. The retrieved alternatives include meaningful suffix and resource differences, so engineers must compare the exact ordering code, ball map, temperature grade, voltage ratings, configuration interface, PLL resources, and timing behavior. EP3C10U256I7 may not provide enough logic or memory for a design that fits EP3C16U256I7. A production substitution should be checked with the manufacturer pinout and datasheet, then compiled, timing-analyzed, and tested on the intended PCB revision.
Keep configuration, reset, clock, and JTAG or programming interfaces accessible for production test. These signals should be routed away from high-speed switching nodes and protected against accidental configuration during board bring-up. Maintain deterministic return paths for every clocked interface and assign pins according to supported I/O standards, differential-pair rules, and bank voltage constraints. Because the supplied results do not include the complete pinout or I/O standard table, pin assignment must be completed using the official Cyclone III device documentation before final layout release.
규정 준수 정보
The verified distributor snippets do not explicitly state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. EPC and package termination details were not available in the supplied data.
