Overview
The EP2C35U484C8 is a member of Intel's (formerly Altera) Cyclone II FPGA family, designed for cost-sensitive, high-volume applications. With 35,000 logic elements, this device balances performance and power efficiency, making it suitable for prototyping and production deployments. FPGAs like the EP2C35U484C8 allow engineers to implement custom digital circuits without the need for ASIC fabrication. The '484' in its name refers to the 484-pin UBGA package, which provides ample I/O capabilities for complex designs.
Structure and Working Principle
The EP2C35U484C8 consists of configurable logic blocks (CLBs), embedded memory blocks, and programmable interconnects. These elements can be reconfigured via hardware description languages (HDLs) to create custom digital circuits. The device operates on a 1.2V core voltage with support for multiple I/O standards (LVTTL, LVCMOS, etc.). Its phase-locked loops (PLLs) enable clock management, while the embedded multipliers facilitate DSP operations. The programming is typically done through JTAG or active serial interfaces.
Key Features
This FPGA offers 35K logic elements, 105 M4K RAM blocks (total 483,840 bits), and 35 embedded 18x18 multipliers. The 484-pin UBGA package supports up to 315 user I/O pins with programmable drive strength and slew rate control. Notable features include hot-socketing capability (safe insertion/removal in powered systems) and on-chip termination support. The device's low static power consumption (typically < 0.5W) makes it suitable for portable applications. It operates across industrial temperature ranges (-40°C to +100°C).
Application Areas
The EP2C35U484C8 is widely used in industrial automation for motor control and sensor interfacing. Its reprogrammable nature allows for field updates to control algorithms. In consumer electronics, it appears in display controllers, set-top boxes, and automotive infotainment systems. Communications applications include protocol bridging and signal processing. The device's balance of cost and performance also makes it popular in academic settings for digital design education.
Maintenance and Precautions
Proper ESD precautions must be observed during handling - use grounded wrist straps and anti-static packaging. The device should be stored in moisture-sensitive packaging with desiccant when not in use. For reliable operation, adhere to recommended power sequencing guidelines. Signal integrity considerations are critical for high-speed designs - follow manufacturer guidelines for PCB layout. The device is not radiation-hardened and should not be used in space applications without additional protection.
B2B Procurement Guide
When procuring EP2C35U484C8 devices, verify the packaging (tape & reel or tray) matches your assembly process. Lead times can vary significantly - authorized distributors typically stock this part, but alternative suppliers may offer shorter lead times at premium prices. Consider purchasing evaluation kits (like the Cyclone II Starter Kit) for prototyping. For volume purchases, negotiate pricing based on projected annual usage. Always request manufacturer date codes to avoid obsolete stock. Some suppliers offer programming services as a value-add.
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