EP3C80U484C7N - 81,264-L FPGA, 295 I/O, 484-UBGA | Altera
MPN: EP3C80U484C7N β Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
EP3C80U484C7N Overview
An FPGA is a programmable semiconductor whose logic, interconnects, and I/O behavior can be configured after manufacturing. Within the component hierarchy, it belongs to programmable logic devices and field-programmable gate arrays. Unlike a fixed-function application-specific integrated circuit, an FPGA supports iterative logic changes without fabricating a new integrated circuit, making it useful for digital design, prototyping, interface bridging, and configurable control systems.
The headline resources are 81,264 cells, 2,810,880 embedded-memory bits, and 295 I/O. These resources support datapaths, state machines, communications controllers, and peripheral interfaces. The 437.5 MHz value represents a verified maximum-clock listing and should be interpreted within the device's stated configuration and operating conditions. The 1.2 V core supply reflects the listed Cyclone III architecture.
The part uses a 65 nm process and is supplied in a rectangular 484-terminal FBGA, also identified as UBGA or BGA-484 by distributor and comparison sources. The high terminal count supports 295 user I/O plus dedicated power, configuration, clock, and other device functions. Surface-mount assembly, controlled-impedance routing, and appropriate decoupling are therefore central to reliable implementation.
Typical applications include industrial control, communications equipment, video or imaging interfaces, test equipment, and embedded processing systems. Its logic capacity suits multiple control blocks and interface functions, while the large I/O count helps connect memories, converters, network transceivers, and application-specific peripherals. Engineers must confirm timing closure, configuration storage, power sequencing, and supported I/O standards in the manufacturer datasheet.
A key design trade-off is that adding programmable logic does not remove implementation effort. Clock budgets, pin assignments, power integrity, signal integrity, and thermal behavior must be analyzed for the final design. Logic capacity and I/O count alone do not guarantee a particular maximum system clock, because routing, constraints, tool settings, and peripheral interfaces affect timing.
This page consolidates the verified distributor specifications, commercial availability, package identity, datasheet location, applications, and cross-reference evidence. Because no verified five-item set of same-footprint, pin-to-pin FPGA replacements was provided, alternatives are limited to candidates that can be supported without fabricating cross-brand or cross-package claims.
Drop-in alternatives for EP3C80U484C7N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EP3C80U484C7N (same form factor and footprint) β differing in Package, Speed Grade, Operating Temperature, Process Technology, Family.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
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View Datasheet βEP3C80U484C7N Maximum Ratings & Electrical Characteristics
| Device Type | Field Programmable Gate Array (FPGA) |
| Product Family | Cyclone III |
| Logic Cell Count | 81,264 cells |
| Embedded Memory | 2,810,880 bits |
| User I/O Count | 295 I/O |
| Maximum Clock Frequency | 437.5 MHz |
| Process Technology | 65 nm |
| Supply Voltage | 1.2 V |
| Terminal Count | 484 terminals |
| Package Code | FBGA |
| Package Description | 484-UBGA |
| Package Shape | Rectangular |
| Terminal Form | Ball |
| Temperature Grading | Other |
| Mounting Style | Surface Mount |
EP3C80U484C7N rectangular Pin Configuration Guide
Pin configuration for EP3C80U484C7N (rectangular package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EP3C80U484C7N.
Refer to the datasheet for full pin configuration.
Typical Applications
EP3C80U484C7N is suitable for 6 applications: Industrial Automation Controllers, Communications Protocol Bridging, Video and Imaging Interface Processing, Test and Measurement Equipment, Embedded Processing and Peripheral Hub, Legacy Digital System Maintenance.
Industrial Automation Controllers
EP3C80U484C7N is a strong candidate for industrial automation controllers that require substantial programmable logic and a high count of external connections. The verified specification includes 81,264 logic cells, 2,810,880 embedded-memory bits, and 295 user I/O, allowing the FPGA to combine machine-state control, sensor-data aggregation, protocol translation, and timing functions in one device. Its 437.5 MHz listed clock can support fast control and interface logic, but system frequency must be proven through placement, routing, and timing closure. The 1.2 V supply listing and 65 nm process provide a basis for power-budget analysis, while the 484-UBGA package requires controlled board layout and thermal validation. Use the manufacturer Cyclone III documentation to confirm supported I/O standards, bank rules, configuration storage, and industrial temperature requirements before production release.
Recommended
Communications Protocol Bridging
EP3C80U484C7N can be used in communications equipment where multiple digital protocols, clock domains, and buffering functions must coexist. Its 81,264 logic cells and 2,810,880 embedded-memory bits can support protocol encoders, decoders, FIFOs, packet filtering, and interface adaptation. The 295 I/O count is useful when the design connects several converters, memory devices, control processors, or physical-layer components, although the verified data does not establish any specific Ethernet, PCIe, or serial-transceiver rate. The listed 437.5 MHz clock is a device parameter, not a guaranteed data-throughput figure. Board implementation must control impedance, crosstalk, clock jitter, decoupling, and I/O-bank constraints. Confirm the Cyclone III familyβs supported I/O standards and IP availability before selecting it for a new communications platform.
Recommended
Video and Imaging Interface Processing
EP3C80U484C7N is suitable for video or imaging interface processing when the design needs parallel datapaths, frame buffers, timing generation, and image-format conversion. The verified 81,264-cell capacity and 2,810,880-bit embedded memory can implement line buffers, synchronization logic, color-space conversion, and control-state machines. The 295 I/O count can connect image sensors, display controllers, external memories, and parallel processors, but the actual usable pin count depends on voltage-bank and package constraints. The listed 437.5 MHz clock can support demanding digital pipelines, while the 1.2 V supply listing should be expanded into a complete power estimate using the chosen clock rates, toggling I/O, and embedded-memory utilization. Confirm interface timing, signal integrity, and supported memory standards in the manufacturer documentation.
Recommended
Test and Measurement Equipment
EP3C80U484C7N can provide configurable acquisition, triggering, sequencing, and digital-signal-processing functions in test equipment. The 81,264 logic cells support control and processing blocks, while the 2,810,880 embedded-memory bits can hold capture windows, reference patterns, intermediate results, or statistical data. Its 295 I/O provide connections to converters, sensors, front-panel controllers, and communication interfaces, making the FPGA useful as a flexible system hub. The listed 437.5 MHz clock may support high-speed digital functions, but measurement accuracy depends on clock jitter, board layout, grounding, and analog front-end design rather than on the FPGA cell count alone. The 484-UBGA package also requires careful power distribution and controlled-impedance routing. Validate the exact I/O standards, timing limits, and thermal conditions from the manufacturer data before use.
Recommended
Embedded Processing and Peripheral Hub
EP3C80U484C7N can serve as a configurable peripheral hub in embedded systems that need to combine memory controllers, custom interfaces, real-time control, and data formatting. The verified 81,264 logic cells provide enough capacity for multiple controllers and glue logic, while 2,810,880 embedded-memory bits can support FIFOs and small local buffers. The 295 I/O count is advantageous when a processor must communicate with displays, storage, converters, sensors, or external control devices. However, the part is an FPGA rather than a verified processor subsystem, so software ecosystem, hard-IP availability, and development-tool compatibility should be assessed separately. The 437.5 MHz listed clock and 1.2 V supply listing establish useful starting points, not complete system specifications. Confirm configuration, boot, power sequencing, supported peripherals, and timing in the official device documentation.
Recommended
Legacy Digital System Maintenance
EP3C80U484C7N is relevant to maintenance or redesign work for existing Cyclone III systems that need a documented 484-UBGA device with 295 user I/O. The verified resourcesβ81,264 logic cells and 2,810,880 embedded-memory bitsβallow replacement of multiple smaller programmable devices or consolidation of interface and control functions. The 437.5 MHz listed clock supports existing digital functions when timing constraints and PCB signal paths remain compatible. A maintenance program should treat the FPGA configuration, pin assignment, I/O voltage, clock scheme, and power rails as controlled design data rather than assuming that a same-family device is automatically interchangeable. Before substituting a variant, compare the complete ordering code, package ball map, speed grade, qualification, and manufacturer documentation. The current DigiKey shipping statement supports sourcing activity as of 2026-09-09, but long-term production availability should be confirmed.
Recommended
Recommended Products Summary
Engineering reference data for EP3C80U484C7N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP3C80U484C7 | EP3C80U484C6N | EP3C80U484C6 |
|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera |
| Package | 484-UBGA / FBGA-484 | 484-FBGA | 484-FBGA | 484-FBGA |
| Device Family | Cyclone III | Cyclone III | Cyclone III | Cyclone III |
Key Differentiators
- High verified programmable-logic capacity (vs EP3C40U484C7N)
- Large I/O interface budget (vs EP3C80U484C7)
- Broad embedded-memory resource (vs EP3C80U484C6N)
- Commercial sourcing visibility (vs EP3C80U484C6)
Design Notes
Treat the verified 1.2 V value as the starting point for a complete power-integrity design, not as a complete rail specification. Confirm internal-core, I/O-bank, auxiliary, and reference-voltage requirements from the manufacturer Cyclone III documentation. Estimate dynamic current from clock rate, toggling I/O, logic utilization, and embedded-memory use, then select regulator current and thermal margin from worst-case activity. Place local decoupling close to the relevant supply pins, use a continuous ground reference, and verify voltage tolerances during power-up and steady-state operation. The verified data does not provide a current limit, power figure, or thermal-resistance value, so do not substitute those quantities from a generic FPGA datasheet.
The 484-UBGA package requires controlled fan-out from the BGA footprint to inner routing layers and a power-distribution strategy that preserves signal return paths. Escape clocks, differential pairs, and high-speed single-ended signals according to the manufacturer package and board stack-up guidance. Keep decoupling paths short, separate noisy switching regions from sensitive clocks and analog circuitry, and provide multiple low-impedance ground connections. Confirm land geometry, solder-mask definition, via-in-pad or microvia policy, assembly capability, and inspection access with the fabricator. Because no manufacturer package drawing or ball map was supplied in the verified results, do not create pin assignments from the terminal count alone.
Use timing constraints for every clock domain and budget for clock uncertainty, routing delay, setup, hold, and I/O timing. The verified listing gives a 437.5 MHz maximum clock, but the user design may run below that value because of logic depth, congestion, device utilization, and physical implementation. Review SSN, crosstalk, impedance discontinuities, clock jitter, and simultaneous-switching behavior during schematic and layout review. Reserve return paths and avoid layer transitions that split the reference plane. For external interfaces, verify the exact supported I/O standard, voltage, termination, and direction using the device handbook before freezing the PCB pinout.
The most common substitution error is assuming that a Cyclone III part with 484 balls is automatically a drop-in replacement. Similar capacity or package notation does not prove identical ball mapping, speed grade, power pins, configuration pins, I/O-bank placement, or ordering-code qualification. Also, a device-level maximum-clock listing does not establish that every user implementation will meet that frequency. Maintain a version-controlled pin assignment, configuration file, timing report, power estimate, and bill of materials. Before changing a part, compare the complete manufacturer ordering information and obtain written cross-reference confirmation; the supplied web results do not establish five verified drop-in FPGA alternatives.
Compliance Information
No verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals data was provided for EP3C80U484C7N.
