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EP3C25U256C8N Cyclone III series 25K logic cells low-power programmable logic device for industrial control applications
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
EP3C25U256C8N Cyclone III series 25K logic cells low-power programmable logic device for industrial control applications
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing
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Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems

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EP3C25U256C8N Product Overview


The EP3C25U256C8N is a low-power Field Programmable Gate Array from Intel (formerly Altera) in the Cyclone III series, manufactured on advanced 65nm low-power (LP) process technology. The EP3C25U256C8N features 24,624 logic elements, 1,539 LABs, 66 DSP multipliers, 608,256 bits of block RAM, and 156 user I/O pins, with internal operating frequency up to 402MHz.

The EP3C25U256C8N delivers exceptional cost-effectiveness and low-power operation. The device features 4 PLLs for flexible clock synthesis and frequency scaling. This commercial-grade device supports 0°C to 85°C operation and comes in a 14×14mm 256-pin UBGA package.

The Cyclone III series is optimized for low-power applications with static power as low as 35mW while delivering high logic throughput. The EP3C25U256C8N serves as the mid-density model of this series, targeting cost-sensitive, space-constrained applications across industrial control, communications, video processing, and consumer electronics.


EP3C25U256C8N Core Features


  • Cost-Effective Logic Resources： The EP3C25U256C8N provides 24,624 logic elements with 1,539 LABs and 4-input LUT architecture. 608,256 bits of block RAM (approximately 594Kb) from 66 M9K memory blocks for data buffering and caching

  • Digital Signal Processing： The EP3C25U256C8N integrates 66 18×18 dedicated DSP multipliers for signal processing, filtering, and FFT algorithms

  • Flexible I/O Interface： The EP3C25U256C8N offers 156 user I/O pins supporting 1.2V to 3.3V standards including LVTTL, LVCMOS, HSTL, SSTL, and LVDS

  • Powerful Clock Management： The EP3C25U256C8N features 4 integrated PLLs for clock synthesis, frequency scaling, phase shifting, and jitter filtering

  • Commercial Operating Temperature： The EP3C25U256C8N operates within a 0°C to 85°C junction temperature range with MSL Level 3 (168 hours)

  • Package and Process： The EP3C25U256C8N is built on a 65nm low-power CMOS process with core voltage 1.15V to 1.25V (1.2V typical). The 14×14mm 256-pin UBGA package has 0.8mm ball pitch and is RoHS compliant

  • Security Features： Configuration data decompression and remote system upgrade support


EP3C25U256C8N Applications


  • Industrial Automation and Control： The EP3C25U256C8N's 25K logic elements and DSP resources are ideal for small PLCs, servo controllers, and machine vision

  • Communications and Networking： The EP3C25U256C8N handles protocol processing and signal modulation for small cell base stations, switches, and routers

  • Video and Image Processing： The EP3C25U256C8N's 594Kb block RAM and DSP multipliers support video codec, image scaling, and display interface conversion

  • Consumer Electronics： The EP3C25U256C8N is suitable for portable devices, handheld terminals, and smart home systems with its compact 14×14mm package

  • Medical Equipment： The EP3C25U256C8N enables signal acquisition and processing for portable ultrasound devices

  • Automotive Electronics： Infotainment systems and driver assistance applications


EP3C25U256C8N Key Advantages


  • 25K Mainstream Logic Density： The EP3C25U256C8N offers 24,624 logic elements for medium-complexity digital systems

  • 65nm Low-Power Process： Static power as low as 35mW, significantly reduced compared to 90nm predecessors

  • 594Kb Embedded Memory： 66 M9K memory blocks for packet buffering and real-time image processing

  • 66 DSP Multipliers： 18×18 multipliers for parallel processing in communication and audio/video applications

  • Compact 14×14mm Package： 196mm² UBGA-256 for space-constrained designs

  • Comprehensive Development Ecosystem： Quartus II with IP library and Nios II soft processor support

  • Competitive Cost-Effectiveness： Attractive price point as Altera's low-cost FPGA family


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      Intel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video ProcessingIntel Altera Cyclone III Series Low-Power FPGA EP3C25U256C8N for Cost-Effective Systems Intel Altera Cyclone III Low-Power FPGA EP3C25U256C8N for Industrial Control and Video Processing




FAQ:

  1. What is the EP3C25U256C8N and which FPGA family does it belong to?
    The EP3C25U256C8N is a low-cost, low-power FPGA from Intel (formerly Altera) in the Cyclone III family. Built on a 65nm process, the EP3C25U256C8N integrates 24,624 logic elements (LEs), 608 Kbit of embedded RAM, 66 18×18 hardware multipliers, and 4 PLLs in a 256-pin UBGA package, targeting high-volume, cost-sensitive applications.

  2. How many logic resources does this FPGA have, and how does it compare to other Cyclone III devices?
    The EP3C25U256C8N has 24,624 LEs, equivalent to approximately 15,408 adaptive logic modules (ALMs). Within the Cyclone III family, the EP3C25U256C8N sits in the mid-range, offering more logic than the EP3C16 (15,408 LEs) but less than the EP3C40 (39,600 LEs), making the EP3C25U256C8N ideal for projects that need a moderate amount of logic at a reasonable cost.

  3. Does it have embedded memory and hardware multipliers? What DSP can it do?
    Yes. The EP3C25U256C8N includes 608 Kbit of embedded RAM (comprised of M9K blocks) and 66 18×18 hardware multipliers. These resources are well-suited for implementing FIR filters, FFTs, video processing, and simple soft-CPU cores. The multipliers of the EP3C25U256C8N can be cascaded to support wider multiplications.

  4. What I/O standards are supported? Can I connect to LVDS or 3.3V devices directly?
    The EP3C25U256C8N I/O banks support numerous single-ended and differential standards, including LVTTL, LVCMOS (1.2V/1.5V/1.8V/2.5V/3.3V), SSTL, HSTL, LVDS, and RSDS. I/O voltages are bank-configurable, so you can directly connect to 3.3V peripherals and use LVDS for high-speed differential communication with the EP3C25U256C8N.

  5. How do I configure this FPGA? Is an external flash required?
    The EP3C25U256C8N supports three configuration modes: JTAG (for debugging and temporary configuration), Active Serial (AS – uses an external serial configuration flash to automatically load at power-up), and Passive Serial (PS – controlled by an external processor or CPLD). An external EPCS series configuration flash is typically required to retain the program after power cycling.

  6. What software is needed to develop for this FPGA? Is it free?
    The primary development tool is Intel Quartus Prime. The EP3C25U256C8N is fully supported by the free Quartus Prime Lite Edition, which includes synthesis, place-and-route, signal debugging, and all necessary design entry flows, making the EP3C25U256C8N very accessible for individual developers and small teams.

  7. What do the “C8N” and package code mean in the part number?
    “C” indicates the commercial temperature range (0°C to 85°C); “8” is the speed grade (lower numbers are faster, and C8 is one of the fastest standard commercial grades); “N” denotes lead-free, environmentally friendly packaging. “U256” is the 256-pin Ultra FineLine BGA (UBGA) package, measuring 14×14mm with 0.8mm ball pitch.

  8. What is the power consumption like? Is it suitable for battery-powered devices?
    The Cyclone III family is specifically optimized for low power, with static power consumption far lower than previous generations. Actual dynamic power depends on the design utilization, clock frequency, and I/O loading. For low-to-medium-speed logic designs, the EP3C25U256C8N can operate with static current in the tens of milliamps, making it very suitable for portable or battery-operated equipment.

  9. Can I implement a simple soft-CPU core on it?
    Absolutely. The 24.6K LEs and 608 Kbit RAM of the EP3C25U256C8N provide enough resources to implement a Nios II economy core, a simple RISC-V soft core, or an 8051-compatible core, while still leaving plenty of logic for custom user peripherals. The EP3C25U256C8N is an excellent platform for prototyping system-on-chip (SoC) designs.

  10. Where can I find design resources, reference designs, or development boards?
    The Intel FPGA website offers extensive application notes, reference designs, and design examples. Additionally, many third-party vendors provide low-cost development boards based on the EP3C25U256C8N (similar to DE0-series boards or compatible clones) with rich tutorials and example code to help you get started quickly.

Manufacturer： :
Intel (Altera)
Product Family： :
Cyclone III
Logic Elements： :
24,624
Configurable Logic Blocks： :
1,539 LABs
Block RAM Capacity： :
608,256 bits (approx. 594Kb)
DSP Multipliers：:
66 18×18 multipliers
User I/O： :
156
PLLs： :
4
Maximum Frequency： :
402 MHz
Process Technology： :
65nm Low-Power CMOS
Core Voltage： :
1.15V to 1.25V
I/O Voltage： :
1.2V to 3.3V
Temperature Range： :
0°C to 85°C (Commercial Grade)
Package Type： :
UBGA-256 (14×14mm, 0.8mm pitch)
MSL Level： :
3 (168 Hours)
ECCN： :
3A991D
RoHS Compliance： :
RoHS Compliant, Lead free
Typical Companion： :
DDR/DDR2 SDRAM, QSPI Flash
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