EP3C25U256C7 - 24,624-LE 437.5MHz Cyclone III FPGA | Altera
MPN: EP3C25U256C7 ✓ فعالEP3C25U256C7 نمای کلی
A field-programmable gate array, or FPGA, is a programmable-logic semiconductor whose digital circuits are defined through a configuration bitstream rather than a fixed mask set. Within the device hierarchy, the EP3C25U256C7 belongs to the Cyclone III FPGA family, the logic-device segment of programmable semiconductors. Its 24,624 logic elements provide substantially more configurable logic than small CPLDs, while the 256-LFBGA package supports dense board layouts in communication, control, instrumentation, and embedded-processing systems.
The principal device characteristics include 24,624 logic cells, 156 I/O pins, and 608,256 bits of embedded memory. The reported 437.5 MHz operating frequency provides a useful indication of the device's high-speed logic capability, although final system timing depends on the selected speed grade, design constraints, I/O standards, and external timing paths. The 65 nm fabrication process and 1.2 V supply identify the device as a low-voltage Cyclone III implementation.
The EP3C25U256C7 integrates programmable logic blocks, embedded RAM, dedicated PLL resources, and general-purpose I/O into one device. Its 156 I/O pins can be assigned according to the board-level interface requirements, while its embedded memory supports buffering, packet handling, data acquisition, and control-plane storage. Configuration data establishes the implemented circuit after power-up, allowing one physical board design to support multiple logic configurations and field upgrades.
Typical applications include industrial automation, communications infrastructure, test and measurement, embedded control, and general-purpose digital signal processing. In an industrial controller, the FPGA could combine parallel sensor interfaces, protocol conversion, and real-time control logic. For communications equipment, its 156 I/O and 608,256 bits of memory can support data framing, buffering, and interface management. In instrumentation, multiple parallel channels can be synchronized while programmable logic handles acquisition and preprocessing.
The most important design consideration is that FPGA replacement is not limited to matching package dimensions. A drop-in candidate must also match the voltage configuration, speed grade, temperature grade, configuration scheme, supported I/O standards, and power-supply requirements. The 256-LFBGA package also requires a land pattern capable of supporting its fine-pitch balls, careful power and ground distribution, and thermal-aware PCB layout.
This page consolidates the verified EP3C25U256C7 specifications, distributor pricing, same-family drop-in candidates, and practical selection guidance. It also separates documented values from information that remains unavailable in the supplied source data, allowing engineers to verify every critical design constraint before procurement or schematic approval.
جایگزین‌های drop-in برای EP3C25U256C7 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
EP3C25F256C7
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EP3C25U256C7N
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
EP3C25U256C8N
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
EP3C25U256C8
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EP3C25U256C6
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
EP3C25U256C7 حداکثر مقادیر مجاز و مشخصات الکتریکی
| Product Type | Cyclone III field-programmable gate array (FPGA) |
| Logic Cells | 24,624 cells |
| Embedded Memory | 608,256 bits |
| Maximum Operating Frequency | 437.5 MHz |
| Logic Elements | 24,624 logic elements |
| I/O Count | 156 I/O |
| Process Technology | 65 nm |
| Core Supply Voltage | 1.2 V |
| بسته‌بندی | 256-LFBGA |
| Package Type | UBGA |
| نوع نصب | Surface mount |
| Device Family | Cyclone III |
| Programmable Logic Type | FPGA |
| Terminal Count | 256 terminals |
راهنمای پیکربندی پین EP3C25U256C7 ubga
پیکربندی پین برای EP3C25U256C7 (پکیج ubga). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای EP3C25U256C7.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
EP3C25U256C7 مناسب است برای 6 کاربردs: Industrial Automation Controller, Communications Interface and Packet Buffer, Data Acquisition and Signal Processing, Test and Measurement Instrumentation, Embedded Control and Sensor Fusion, Video and Display Signal Processing.
Industrial Automation Controller
The Altera EP3C25U256C7 fits industrial automation controllers that require parallel machine interfaces, deterministic control logic, and local data buffering. Its 24,624 logic cells and 608,256 bits of embedded memory provide space for protocol conversion, state machines, counters, and diagnostics, while 156 I/O support sensors, actuators, encoders, and communication transceivers. The device can be placed between an industrial network interface and real-time machine-control logic, allowing one FPGA to consolidate functions that otherwise require several CPLDs and discrete logic. The 437.5 MHz operating-frequency figure provides substantial timing margin for parallel control paths, although final clock rates depend on logic depth and I/O timing. Before deployment, confirm the device's operating-temperature grade, supported I/O standards, configuration method, and 1.2 V power requirements against the factory environment.
پیشنهادی
Communications Interface and Packet Buffer
EP3C25U256C7 is appropriate for communications equipment requiring programmable data framing, channel multiplexing, and packet buffering. The 24,624 logic cells can implement multiple parallel datapaths and protocol state machines, while the 608,256 bits of embedded memory can support FIFO storage, line buffering, and timing compensation. Its 156 I/O provide substantial connectivity for parallel buses, byte-lane interfaces, clocks, and control signals without requiring a large external FIFO. In a bridge or aggregation design, the FPGA can receive framed data, validate headers, perform byte conversion, and transfer information between incompatible interfaces. The verified 437.5 MHz operating frequency supports high-speed parallel processing, but actual line rate and timing margin depend on the selected I/O standards and external components.
پیشنهادی
Data Acquisition and Signal Processing
The EP3C25U256C7 can serve as the central programmable engine in parallel data-acquisition and signal-processing equipment. Its 24,624 logic cells are suitable for digital filtering, decimation, thresholding, channel interleaving, and state-machine control, while 608,256 bits of embedded memory provide local buffering between acquisition and processing stages. The 156 I/O allow simultaneous access to multiple converters, clocks, triggers, and status signals. A practical architecture could capture several converter outputs, align them with a sampling clock, perform real-time filtering, and transfer reduced data to an upstream processor. The verified 437.5 MHz device speed enables demanding parallel logic, but sampling frequency, acquisition bandwidth, and output latency must be derived from the actual pipeline and external converter timing specifications.
پیشنهادی
Test and Measurement Instrumentation
EP3C25U256C7 is well suited to programmable test and measurement logic where multiple channels, precise timing, and flexible analysis functions are required. Its programmable architecture can implement counters, timing generators, pattern engines, digital filters, and interface coordination, while its 24,624 logic cells allow substantial consolidation within a compact instrument. The 608,256 bits of embedded memory can hold calibration tables, acquisition samples, or buffered test vectors. In an automated test system, the FPGA might coordinate instruments, execute a digital test sequence, record results, and expose a simple host interface. The 437.5 MHz operating-frequency figure supports fast timing generation, but users must verify I/O voltage domains, jitter expectations, clock-quality requirements, and timing closure against the selected test standards and board layout.
پیشنهادی
Embedded Control and Sensor Fusion
The Altera EP3C25U256C7 can act as a flexible embedded-control fabric for systems combining sensors, real-time logic, and communications. Its 156 I/O allow direct attachment of encoders, switches, analog-control outputs, and status signals, while 24,624 logic cells can host state machines, fault monitors, filters, and multi-axis control functions. The 608,256 bits of embedded memory provide storage for calibration constants, histories, and command queues without requiring an external memory device for modest workloads. A practical design could synchronize several sensors, derive a combined control value, and transmit results through a network or serial interface. The device's verified 437.5 MHz capability supports real-time processing, but deterministic operation requires appropriate clocking, synchronization, reset design, and verification of the selected temperature and power ratings.
پیشنهادی
Video and Display Signal Processing
EP3C25U256C7 can be used in embedded video timing, pixel formatting, and display-control systems where parallel pixels and timing signals dominate the interface. Its 156 I/O are suitable for parallel RGB, sync, control, and status paths, while the programmable logic can perform timing generation, color-channel reordering, scaling, overlay, or simple pixel processing. The 24,624 logic cells allow multiple pipeline stages to operate concurrently, and the 608,256 bits of embedded memory can provide line buffering or small frame-storage functions. The verified 437.5 MHz operating-frequency figure supports demanding pixel pipelines, although actual video bandwidth and resolution are constrained by I/O count, I/O timing, clocking, and memory bandwidth. The device should be validated against the target display interface, electrical signaling requirements, and source-specific timing constraints.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای EP3C25U256C7 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | EP3C25F256C7 | EP3C25U256C7N | EP3C25U256C8N | EP3C25U256C8 | EP3C25U256C6 |
|---|---|---|---|---|---|---|
| Package | 256-LFBGA | 256-LFBGA | 256-LFBGA | 256-LFBGA | 256-LFBGA | 256-LFBGA |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Device Family | Cyclone III | Cyclone III | Cyclone III | Cyclone III | Cyclone III | Cyclone III |
| Logic Cells | 24,624 cells | 24,624 cells | 24,624 cells | 24,624 cells | 24,624 cells | 24,624 cells |
| Embedded Memory | 608,256 bits | 608,256 bits | 608,256 bits | 608,256 bits | 608,256 bits | 608,256 bits |
| I/O Count | 156 I/O | 156 I/O | 156 I/O | 156 I/O | 156 I/O | 156 I/O |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Process Technology | 65 nm | 65 nm | 65 nm | 65 nm | 65 nm | 65 nm |
تفاوت‌های کلیدی
- Exact verified C7 operating-frequency specification (در مقابلEP3C25U256C8)
- Documented 24,624-cell logic capacity (در مقابلEP3C25F256C7)
- High verified parallel I/O availability (در مقابلEP3C25U256C6)
یادداشت‌های طراحی
Treat the 256-LFBGA footprint as a fine-pitch assembly and routing problem rather than a conventional leaded-package layout. Obtain the official package drawing and recommended land pattern, verify ball diameter and pitch, and account for solder-mask definition, paste stencil apertures, via-in-pad use, and component placement tolerances. Because the supplied sources do not include the pin table, do not infer power, ground, configuration, or user I/O balls from the package name; cross-check every connection against the complete manufacturer pinout before release.
Design the 1.2 V core rail as a dedicated, low-noise FPGA supply and follow the device's required power-supply topology. The supplied data confirms a 1.2 V core voltage but does not provide total current, allowable ripple, sequencing, or auxiliary-rail requirements. Determine those values from the complete datasheet and configuration method before selecting regulators or compensation components. Decouple each supply group at the device and preserve the recommended current capability and voltage tolerances.
The 156 I/O pins expose the device to many simultaneous interfaces, so each implemented I/O standard must have a verified voltage, edge-rate, drive-strength, and termination strategy. Pay particular attention to clock inputs, series-terminated outputs, cross-family voltage domains, and external transceiver settling requirements. Use the Quartus design constraints and board-level signal-integrity analysis to control skew and crosstalk; the 437.5 MHz device figure does not by itself guarantee that every external interface will operate at that rate.
Estimate FPGA power from the actual design utilization, toggle rate, I/O load, core voltage, and configured speed grade rather than from the 437.5 MHz maximum alone. The supplied data contains no thermal resistance, junction-temperature limit, or recommended PCB copper area. Pull those values from the official package information and worst-case application notes, then calculate junction rise with the board-specific thermal model. Provide a solid ground-plane structure and adequate copper spreading around the BGA while maintaining the manufacturer's assembly and layout requirements.
Do not approve a substitute solely because it has a 256-ball package or the same 25K family name. FPGA order codes can encode speed grade, temperature grade, voltage option, package, or lead-free status, and even a pin-compatible replacement may require a different configuration bitstream, constraints file, or timing sign-off. Compare the official device tables, validate the pin table and power pins, rerun timing analysis with the exact replacement, and confirm that the generated configuration file and programming algorithm are supported before production substitution.
اطلاعات انطباق
The supplied verified search results identify the manufacturer, device, package, logic cells, memory, I/O, frequency, process, and voltage, but do not provide extractable RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. The comparison search mentions RoHS and REACH attributes without providing conclusive values.
