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EP3C40F780C6N

FPGA programmable logic integrated circuit for digital circuit design.

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Manufacturer Part：

EP3C40F780C6N

Package：

BGA780

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Description

Here’s a clearer and more engaging rewrite of your product description, structured for readability and impact:

EP3C40F780C6N – Altera Cyclone III FPGA

The EP3C40F780C6N is a low-to-medium-density FPGA from Altera (now Intel), part of the popular Cyclone III series. Built on a 90nm low-power process, it delivers an excellent balance of cost-effectiveness, low power consumption, and solid hardware resources. It is widely used in industrial control, communications, medical electronics, consumer electronics, and other mid-to-low-speed digital logic applications.

1. Basic Information

  • Part Number: EP3C40F780C6N
  • Manufacturer: Altera (acquired by Intel)
  • Series: Cyclone III – Mainstream low-cost FPGA family
  • Package: FBGA-780 (29×29mm, 1.75mm thick) with 780 solder balls
  • Temperature Grade: C6 (Commercial) – 0°C to +85°C
  • Environmental Spec: Lead-free (RoHS compliant)

2. Core Specifications

Logic Resources

– Logic Elements (LE): 39,600 (~40K) – Logic Array Blocks (LAB): 2,475 – Equivalent Gates: ~2 million (typical design density)

Memory Resources

– Embedded RAM: 1,161,216 bits (~1.16 Mbit) – Configurable as Block RAM, Distributed RAM, FIFO, or ROM

I/O Resources

– User I/O Pins: 535 – Supported I/O Standards: LVCMOS, LVDS, SSTL, HSTL, and more – Configurable I/O Voltages: 1.5V, 1.8V, 2.5V, 3.3V

Clock & DSP

– Max System Clock: 315–472.5 MHz (design-dependent) – PLLs: 4 integrated PLLs for multi-clock domain and phase adjustment – DSP Blocks: 120 dedicated blocks – ideal for filters, FFTs, and multipliers

Power Supply

– Core Voltage: 1.2V (1.15–1.25V) – I/O Banks: Independent voltages configurable from 1.5V to 3.3V

3. Part Number Decoding

  • EP3C – Cyclone III Series
  • 40 – ~40K Logic Elements
  • F780 – FBGA package, 780 balls
  • C6 – Commercial grade, speed grade 6
  • N – Lead-free package

4. Key Features

  • 90nm low-power process – Low static and dynamic power, ideal for battery-powered or heat-sensitive devices
  • Balanced resources – 40K LE + 1.16Mbit RAM + 120 DSP blocks, perfect for mid-complexity control and signal processing
  • Flexible I/O – Supports multiple voltage levels and differential signals for easy peripheral integration and high-speed interface design
  • Cost-effective – Competitive pricing in the Cyclone III family, suitable for high-volume production
  • Software support – Fully compatible with Quartus II; supports Nios II soft-core processor for embedded system development

5. Typical Applications

  • Industrial Control: PLCs, motion control, multi-protocol conversion (Modbus, EtherCAT)
  • Communications: Low-speed interfaces in routers/switches, IP cameras, optical transceivers
  • Medical Electronics: Portable diagnostics, patient monitor data processing, display drivers
  • Consumer Electronics: Smart home controllers, image preprocessing, audio control units
  • Test & Measurement: Data acquisition cards, logic analyzers, signal generator controllers

6. Compatible & Alternative Models

  • Same Series (Cyclone III):

    • EP3C25F780C6N (25K LE)
    • EP3C55F780C6N (55K LE)

  • Upgrade Path (Cyclone IV E):

    • EP4CE40F23C6N – Lower power consumption and higher frequency

  • Cross-Brand Alternative (Xilinx):

    • Spartan-6 XC6SLX45-FGG484

Let me know if you’d like a shorter version for a datasheet summary, a product page, or a sales pitch.

EP3C40F780C6N Application Scenarios

  • Industrial Control Systems: Used in PLCs, motor control, and automation due to its logic density and I/O count.
  • Communications: Suitable for protocol bridging, packet processing, and interface adaptation in networking equipment.
  • Video and Image Processing: Applied in frame buffers, image scaling, and real-time video interfaces for embedded vision systems.
  • Medical Electronics: Employed in diagnostic imaging, patient monitoring, and data acquisition hardware.
  • Automotive: Utilized in infotainment, driver assistance modules, and in-vehicle networking for prototyping and low-volume production.
  • Test and Measurement: Acts as a controller for data-logging instruments, signal generators, and custom test fixtures.
  • Consumer Electronics: Powers display interfaces, audio processing, and custom logic in high-end consumer devices.

0 package.

The EP3C40F780C6N is a member of the Intel (formerly Altera) Cyclone III family of field-programmable gate arrays (FPGAs). It is designed for low-power, high-volume applications, offering a balance of logic density, memory, and I/O capabilities.

Working Principle(Within 200 Words)

The EP3C40F780C6N is a Cyclone III FPGA from Intel (formerly Altera) in a 780-pin FineLine BGA (FBGA) package. Below is a high-level description of its pin categories.

  • I/O Pins (User I/O): Up to 535 I/O pins organized into 8 banks. Supports various single-ended and differential I/O standards (LVTTL, LVCMOS, SSTL, HSTL, LVDS, etc.).

  • Power Pins:

    • VCCINT (Core Voltage): Internal logic supply, typically 1.2V or 1.5V.

    • VCCIO (I/O Bank Voltage): Supply for each I/O bank (3.3V, 2.5V, 1.8V, 1.5V, 1.2V).

    • VCCAUX (Auxiliary Voltage): 2.5V for PLLs and configuration.

    • VCCA (PLL Analog Voltage): Dedicated analog power for PLLs.

    • GND: Ground pins.

  • Configuration Pins:

    • MSEL[2..0]: Mode select for configuration scheme (AS, PS, FPP, JTAG).

    • DATA[7..0], DCLK, nCSO: Active Serial (AS) interface.

    • nSTATUS, CONF_DONE, nCONFIG: Status and control pins.

    • TDI, TDO, TCK, TMS: JTAG configuration and debug.

  • Clock and PLL Pins:

    • CLK[0..15] (Dedicated clock inputs): Global clock inputs.

    • PLL[1..4]_OUT: Outputs from PLLs (4 PLLs).

    • PLL[1..4]_IN: External clock inputs to PLLs.

  • Memory Interface Pins:

    • DQ, DQS, DM, CK, CK#: Dedicated DDR/DDR2/DDR3 SDRAM interface pins (arranged in byte groups).

  • Differential Pair Pins:

    • LVDS pairs (P/N) for high-speed serial signaling.

    • DPA (Dynamic Phase Alignment) pins for source-synchronous interfaces.

  • Special Function Pins:

    • VREF: Reference voltage pins for SSTL/HSTL standards.

    • nCEO: Cascade enable output for multiple FPGA configuration.

    • CLKUSR: User clock for configuration.

  • No-Connect (NC) Pins: Certain pins are reserved or not bonded internally. Refer to the device datasheet for specific assignments.

Note: For exact pin numbers (e.g., A1, B2) and detailed electrical characteristics, consult the official Intel Cyclone III Device Family Pin Connection Guidelines (PCG) and the specific pin table for the EP3C40F78

  • Industrial Control Systems: Used in PLCs, motor control, and automation due to its logic density and I/O count.

  • Communications: Suitable for protocol bridging, packet processing, and interface adaptation in networking equipment.

  • Video and Image Processing: Applied in frame buffers, image scaling, and real-time video interfaces for embedded vision systems.

  • Medical Electronics: Employed in diagnostic imaging, patient monitoring, and data acquisition hardware.

  • Automotive: Utilized in infotainment, driver assistance modules, and in-vehicle networking for prototyping and low-volume production.

  • Test and Measurement: Acts as a controller for data-logging instruments, signal generators, and custom test fixtures.

  • Consumer Electronics: Powers display interfaces, audio processing, and custom logic in high-end consumer devices.

 

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    • EP4CE55F23C8N

    • EP4CE55F23I7N

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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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