Overview
The EP3C40F484C8N is a mid-range FPGA from Intel's Cyclone III family, offering 40,000 logic elements and optimized for cost-sensitive applications. Introduced in 2007, it balances performance and power efficiency with a 1.2V core voltage. As a reconfigurable semiconductor device, it allows engineers to implement custom digital logic post-manufacturing. The 484-pin FineLine BGA package makes it suitable for space-constrained designs while providing sufficient I/O for complex systems.
Structure and Working Principle
The FPGA consists of configurable logic blocks (CLBs), embedded memory blocks, and programmable interconnects. The EP3C40F484C8N specifically includes 1,134 Kbits of embedded memory and 288 18x18 multipliers. During operation, configuration data (typically stored in an external flash) loads into the FPGA's SRAM cells upon power-up. This defines the functionality of each logic element and routing path, enabling the chip to emulate custom hardware without physical redesign.
Key Features
With 40K LEs, this device handles moderately complex designs like motor controllers or communication interfaces. The 1.2V core voltage reduces power consumption compared to earlier generations, while maintaining 200MHz+ performance. The device supports various I/O standards including LVCMOS, LVDS, and PCI Express. Four PLLs provide clock management, and the embedded memory blocks enable efficient data buffering without external components.
Application Areas
Industrial automation systems frequently use this FPGA for machine vision and PLC implementations. Its balance of logic capacity and power efficiency makes it ideal for embedded controllers. In telecommunications, it appears in baseband processing units and network switches. Consumer applications include professional audio equipment and medical devices where custom signal processing is required.
Maintenance and Precautions
Being an SRAM-based FPGA, the EP3C40F484C8N loses configuration when powered off. Systems must include a configuration memory device (e.g., EPCS) unless using JTAG programming during development. ESD precautions are critical during handling – use grounded workstations and proper packaging. For long-term storage, maintain humidity below 60% RH and temperature between 5°C-30°C in moisture-barrier bags.
B2B Procurement Guide
When sourcing EP3C40F484C8N, verify the manufacturer's lifecycle status – Intel has marked some Cyclone III devices as NRND (Not Recommended for New Designs). Request date codes less than 2 years old for active inventory. Consider minimum order quantities (MOQs) which typically start at 100 pieces for reliable distributors. For prototyping, authorized resellers may offer smaller quantities at premium prices. Always request original packaging with intact humidity indicators.
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