EP2C35U484C7N - Cyclone II FPGA 33K LEs 484-FBGA | Intel / Altera
MPN: EP2C35U484C7N ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $134.45 | $134.45 |
| 10 | $121 | $1,210.00 |
| 100 | $98.5 | $9,850.00 |
| 500 | $78.4 | $39,200.00 |
| 1,000 | $67.8 | $67,800.00 |
EP2C35U484C7N Overview
A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hardware resources such as block RAM and multipliers that allow designers to implement custom digital logic after manufacture. Within the broader taxonomy, the EP2C35U484C7N sits at FPGA > programmable logic device (PLD) > logic IC > integrated circuit (IC) > semiconductor. Cyclone II is positioned as the low-power, low-cost tier of the Altera/Intel FPGA portfolio, optimized for ASIC-replacement, DSP co-processing and parallel I/O expansion rather than the highest performance.
Key features of this part include 35 embedded 18x18 multipliers for DSP operations, four phase-locked loops (PLLs) for clock management, and support for external memory interfaces such as DDR/DDR2 SDRAM. The device is offered in the commercial 0C to 85C temperature grade and the U484 package variant (484-ball Ultra FineLine BGA, 19x19 mm) balances high I/O count with manageable PCB routing.
The architecture combines embedded M4K RAM blocks (total 483,840 bits) with a rich interconnect fabric that supports variable-length routing paths to optimize both speed and density. The internal clock network, backed by four PLLs, can synthesize multiple output frequencies from a single reference, simplifying designs that must meet multiple timing domains.
Typical applications include industrial control and motor drive, video surveillance and image processing pipelines, software-defined radio front-ends, communications infrastructure (bridges, routers, baseband preprocessing), and ASIC prototyping or replacement. It is also widely used in educational and development platforms such as the Altera DE2 board. When designing with the EP2C35U484C7N, plan a 6- to 8-layer PCB with controlled-impedance routing and a 1.2 V core supply capable of delivering the in-rush current demanded during configuration.
This page synthesizes distributor pricing, drop-in package-equivalent variants, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for EP2C35U484C7N — 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 EP2C35U484C7N (same form factor and footprint) — differing in Package, Operating Temperature, Speed Grade, Process Technology, Configuration Modes.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP2C35U484C7
✅ Drop-In✓ In Stock
$108.5 / Unit
View Datasheet →EP2C35U484C6N
✅ Drop-In✓ In Stock
$115.2 / Unit
View Datasheet →EP2C35U484C6
✅ Drop-In✓ In Stock
$106.22 / Unit
View Datasheet →EP2C35F484C8N
✅ Drop-In✓ In Stock
$65 / Unit
View Datasheet →EP2C35F484C7N
✅ Drop-In✓ In Stock
$85.2 / Unit
View Datasheet →EP2C35F484C6N
✅ Drop-In✓ In Stock
$118.2 / Unit
View Datasheet →EP2C35U484C7N Maximum Ratings & Electrical Characteristics
| Family | Cyclone II |
| Logic Elements | 33,216 |
| Total RAM Bits | 483,840 |
| Embedded Multipliers (18x18) | 35 |
| Maximum User I/O | 322 |
| PLLs | 4 |
| Process Technology | 90 nm CMOS |
| Core Voltage | 1.2 V |
| Operating Temperature | 0C to +85C (Commercial) |
| Package | 484-FBGA (U484, 19x19 mm, Ultra FineLine BGA) |
| Mounting Type | Surface Mount |
| Logic Blocks / Logic Cells | 2,076 |
| Internal Frequency (max) | 402.58 MHz |
| Lead Free / RoHS | Yes (lead free, per package suffix designator) |
| Configuration Scheme | Active serial (AS), passive serial (PS), JTAG |
EP2C35U484C7N 484-fbga (u484, 19x19 mm, ultra fineline bga) Pin Configuration Guide
Pin configuration for EP2C35U484C7N (484-fbga (u484, 19x19 mm, ultra fineline bga) 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 EP2C35U484C7N.
Refer to the datasheet for full pin configuration.
Typical Applications
EP2C35U484C7N is suitable for 6 applications: Industrial Motor Control and Drive, Video Surveillance and Image Processing, Telecommunications and Baseband Preprocessing, ASIC Prototyping and Replacement, Software-Defined Radio (SDR) Front-End, Automotive Infotainment Test & Development.
Industrial Motor Control and Drive
The EP2C35U484C7N is well suited for industrial motor control because it provides 35 embedded 18x18 multipliers, four PLLs, and 322 user I/O within a 484-ball BGA that dissipates the 1.2 V core cleanly across industrial temperature environments. The multipliers accelerate Park/Clarke transforms and PI control loops typical of vector (FOC) motor drives, while the 483,840 bits of embedded RAM buffer encoder feedback and PWM reference tables without external memory access latency. The 322 GPIO permit simultaneous interfaces to three-phase gate drivers, current-sense ADCs, resolver-to-digital converters, and a CAN or RS-485 fieldbus on a single device, replacing a discrete DSP+MCU architecture and shortening time-to-market for high-volume drives.
Recommended
Video Surveillance and Image Processing
For video surveillance and image-processing pipelines, the EP2C35U484C7N's 35 hardware multipliers deliver the parallel multiply-accumulate throughput required for real-time Sobel, Gaussian, and motion-estimation kernels on D1 to 720p streams. The 483,840 bits of dual-port M4K RAM hold line buffers and frame stores, while the four PLLs generate the pixel clock, memory clock, and DDR2 controller clock from a single 27 MHz oscillator. Up to 322 I/O accommodate two parallel CMOS camera interfaces, a DDR2 SDRAM frame buffer, and a digital video output serializer - all on a single chip that fits within commercial-grade thermal envelopes for indoor enclosure designs.
Recommended
Telecommunications and Baseband Preprocessing
In telecom and baseband preprocessing cards, the EP2C35U484C7N serves as a low-cost channelized framer, scrambler, or FEC engine where its 33,216 logic elements provide ample headroom for 4x oversampled filter banks and the four PLLs derive all required clocks from a single line-rate reference. The commercial 0C to +85C grade covers indoor central-office and customer-premises equipment, while the 1.2 V core voltage keeps power consumption in line with multi-card systems. The 322 GPIO allow a 32-bit LVDS connection to an adjacent framer plus a SPI/I2C control plane to a management MCU without external bus switches.
Recommended
ASIC Prototyping and Replacement
Designers use the EP2C35U484C7N for ASIC prototyping because the 484-ball BGA, 33,216 logic elements, and 35 multipliers emulate mid-complexity ASICs in real time, with JTAG and Active Serial configuration paths that map cleanly to existing bring-up flows. The 483,840 bits of block RAM shadow the embedded SRAM of the target ASIC, so software validation can run before tapeout. The U484 footprint matches multiple Altera development boards including the DE2, allowing engineering teams to reuse carrier hardware between prototype and pilot builds without re-spinning the PCB.
Recommended
Software-Defined Radio (SDR) Front-End
For software-defined radio front-ends, the EP2C35U484C7N hosts the digital down-conversion, channelization, and baseband decimation stages between an external ADC and a host processor, exploiting the 35 multipliers for FIR and CIC filter banks at sample rates up to 200 MSPS. The four PLLs synthesize independent ADC, DAC, and FPGA fabric clocks from a low-jitter reference, while the 322 GPIO carry LVDS ADC data, JESD204B-style control, and external memory interfaces on a single device. The 1.2 V core supply keeps the per-channel power well below 1 W, making the part viable for portable or man-pack SDR enclosures.
Recommended
Automotive Infotainment Test & Development
In non-safety automotive infotainment development platforms, the EP2C35U484C7N provides a flexible test bench for CAN/LIN gateway logic, LVDS display backplanes, and audio DSP preprocessing. Its 33,216 logic elements and 35 multipliers accelerate AM/FM baseband and MP3/AAC decode in research environments, while the 322 GPIO let engineers bring out multiple automotive bus standards simultaneously. Note that the EP2C35U484C7N is the commercial-grade variant (0C to +85C); production automotive deployments should select an 'I' or 'A' temperature-grade Cyclone II part from the same die for compliance with AEC-Q100 requirements.
Recommended
Recommended Products Summary
Engineering reference data for EP2C35U484C7N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP2C35U484C7 | EP2C35U484C6N | EP2C35U484C6 | EP2C35F484C8N | EP2C35F484C7N | EP2C35F484C6N |
|---|---|---|---|---|---|---|---|
| Brand | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel | Altera / Intel |
| Package | 484-FBGA (U484, 0.8 mm pitch, 19x19 mm) | 484-FBGA (U484, same) | 484-FBGA (U484, same) | 484-FBGA (U484, same) | 484-FBGA (F484, 1.0 mm pitch, 19x19 mm) | 484-FBGA (F484, 1.0 mm pitch, 19x19 mm) | 484-FBGA (F484, 1.0 mm pitch, 19x19 mm) |
| Speed Grade | 7 (commercial) | 7 | 6 (faster) | 6 (faster) | 8 (slower) | 7 (same) | 6 (faster) |
| Logic Elements | 33,216 | 33,216 | 33,216 | 33,216 | 33,216 | 33,216 | 33,216 |
| Total RAM Bits | 483,840 | 483,840 | 483,840 | 483,840 | 483,840 | 483,840 | 483,840 |
| Embedded Multipliers (18x18) | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Maximum User I/O | 322 | 322 | 322 | 322 | 322 | 322 | 322 |
| PLLs | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Pb-Free (N) Suffix | Yes (N suffix) | No (N omitted) | Yes | No (N omitted) | Yes | Yes | Yes |
| Approx. Unit Price (1 qty) | $134.45 | $130.00 - $140.00 | $135.00 - $145.00 | $130.00 - $140.00 | $115.00 - $125.00 | $125.00 - $135.00 | $135.00 - $145.00 |
Key Differentiators
- Same U484 0.8 mm-pitch package, faster speed grade (vs EP2C35U484C6N)
- Identical die, alternate 1.0 mm-pitch package (vs EP2C35F484C7N)
- Largest Cyclone II device in a 484-ball BGA (vs EP2C20F484C8N)
Design Notes
The EP2C35U484C7N requires a tightly regulated 1.2 V core supply (VCCINT) plus a 1.2 V/2.5 V/3.3 V VCCIO for each I/O bank. Use a 4-layer PCB with a dedicated core power plane; place 100 uF bulk plus 0.1 uF and 0.01 uF ceramic bypass caps within 5 mm of every VCCINT/VCCIO ball group. Estimated worst-case ICCINT for a fully utilized EP2C35 is roughly 500 mA; design the regulator with at least 30% margin.
The 484-ball U484 BGA uses 0.8 mm pitch microballs that demand laser-drilled microvias and 4-6 mil trace/space. Fanout with a dog-bone pattern on the top layer only, escape to inner layers through microvias, and reserve continuous ground planes beneath the device for return-current integrity. Estimated: matched 50 ohm single-ended impedance requires approximately 6 mil trace on 4 mil dielectric.
For DDR/DDR2 SDRAM interfaces, route DQS, DQ, and DM byte lanes as matched-length groups within +/- 25 mil. Use series-termination resistors (33 ohm typical) on the FPGA-side of each DQS/DQ line. Place a 50 ohm to VTT parallel-termination at the far end only for DDR2. The four PLLs should be paired with the four most critical clock domains to avoid long global clock nets.
Do not confuse the U484 (0.8 mm pitch, 19x19 mm) package with the F484 (1.0 mm pitch, 19x19 mm) - they share the same ball count but have different mechanical outlines and require different PCB land patterns. A pin-compatible design at the LEs/RAM/I/O level is not necessarily land-pattern compatible across the U/F package boundary. Always revalidate the PCB land pattern when migrating.
Compliance Information
Pb-free and RoHS compliant per the 'N' suffix designator and per Mouser/DigiKey product attributes. Not AEC-Q100 qualified - select an 'I' or 'A' suffix industrial/automotive part for safety-critical applications. Halogen-free status is not stated in the verified web data; consult the Altera material declaration for confirmation.
