EP2C35F484I7N - Cyclone II FPGA 33K Logic Elements FBGA-484 | Intel / Altera
MPN: EP2C35F484I7N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $42.75 | $427.50 |
| 100 | $36.2 | $3,620.00 |
| 500 | $30.85 | $15,425.00 |
| 1,000 | $26.4 | $26,400.00 |
EP2C35F484I7N Overview
A Field Programmable Gate Array (FPGA) is a semiconductor device built around a matrix of configurable logic blocks (CLBs) connected via programmable interconnect. Within the broader hierarchy, FPGAs sit under programmable logic devices (PLDs) and digital ICs, complementing ASICs by offering hardware re-programmability, fast time-to-market, and parallel DSP capability for signal-processing and control-plane workloads.
Key features of the EP2C35F484I7N include 33,216 logic elements organized into 2,100 logic array blocks, 35 embedded M9K memory blocks (483,840 RAM bits total), up to 150 18 x 18 hardware multipliers for DSP, and 4 phase-locked loops for clock management. The device supports high-speed external memory interfaces including DDR, DDR2, and QDRII SRAM. Configuration is handled through passive serial, active serial, or JTAG modes.
Typical applications include digital signal processing, video processing pipelines, industrial motor control, software-defined radio, communications infrastructure, and prototyping of custom ASIC designs. The wide logic capacity makes it suitable for high-throughput parallel processing tasks.
When designing with this device, ensure proper power-supply decoupling across VCCINT, VCCA, and VCCIO rails, and provide adequate thermal relief on the PCB. Signal-integrity planning is critical for DDR2/QDRII interfaces at full speed.
Drop-in alternatives for EP2C35F484I7N — 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 EP2C35F484I7N (same form factor and footprint) — differing in Package, Operating Temperature, Process Technology, Speed Grade, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP2C35F484I8N
✅ Drop-In✓ In Stock
$56.01 / Unit
View Datasheet →EP2C35F484I6N
✅ Drop-In✓ In Stock
$52.1 / 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 →EP2C50F484I7N
✅ Drop-In📋 Reference alternative (not in catalog)
EP2C35F484I7N Maximum Ratings & Electrical Characteristics
| Family | Cyclone II |
| Logic Elements | 33,216 |
| Logic Array Blocks (LABs) | 2,100 |
| Total RAM Bits | 483,840 |
| Embedded M9K Memory Blocks | 35 |
| Embedded 18x18 Multipliers | Up to 150 |
| PLLs | 4 |
| Maximum User I/O Pins | 322 |
| Package | 484-ball FBGA |
| Supply Voltage (VCCINT) | 1.2 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Speed Grade | 7 |
| Process Technology | 90 nm CMOS |
| Configuration Mode | Passive Serial / Active Serial / JTAG |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
EP2C35F484I7N 484-ball fbga Pin Configuration Guide
Pin configuration for EP2C35F484I7N (484-ball fbga 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 EP2C35F484I7N.
Refer to the datasheet for full pin configuration.
Typical Applications
EP2C35F484I7N is suitable for 6 applications: Digital Signal Processing (DSP), Industrial Motor Control, Video Processing Pipelines, Software-Defined Radio (SDR), ASIC Prototyping, Communications Infrastructure.
Digital Signal Processing (DSP)
The EP2C35F484I7N's 150 embedded 18x18 hardware multipliers and 33,216 logic elements make it well-suited for high-throughput DSP applications such as FIR filters, FFT processors, and baseband modulation. Per Altera Cyclone II Device Handbook, the dedicated multiplier blocks enable single-cycle multiply-accumulate operations at speeds exceeding 250 MHz, far exceeding software-based DSP performance. The 483,840 bits of embedded RAM provide data buffering for streaming DSP pipelines without external memory access stalls. The industrial temperature grade (I7) supports deployment in uncontrolled thermal environments, while the FBGA-484 footprint accommodates the high I/O count needed for parallel data acquisition. Power consumption remains modest thanks to the 90 nm CMOS process, allowing fanless operation in many embedded DSP enclosures.
Recommended
Industrial Motor Control
The EP2C35F484I7N is widely deployed in industrial motor control applications including servo drives, stepper controllers, and variable-frequency drives. Per Altera documentation, the 4 integrated PLLs enable precise PWM generation with sub-microsecond timing resolution, while the 322 user I/Os accommodate multiple encoder interfaces, Hall sensors, and gate-driver channels. The industrial temperature range (-40C to +85C) ensures reliable operation in factory environments with elevated ambient temperatures. The 33K logic elements support field-oriented control (FOC) algorithms, sensorless commutation, and adaptive filtering in a single device. The FBGA-484 package provides robust mechanical mounting for vibration-prone industrial settings, and the 1.2 V core voltage simplifies power-supply design.
Recommended
Video Processing Pipelines
The EP2C35F484I7N supports real-time video processing for surveillance, broadcast, and machine-vision applications. Per Altera Cyclone II Device Handbook, the 33K logic elements handle HD video scaling, de-interlacing, and color-space conversion at 60 fps, while the 35 M9K memory blocks provide line buffers and frame storage without external SDRAM. The high I/O count accommodates parallel video buses (BT.656, BT.1120, RGB) and LVDS interfaces to image sensors. Industrial temperature rating enables deployment in outdoor surveillance cameras. The 150 hardware multipliers accelerate motion estimation and edge detection algorithms. Quartus II video IP cores simplify development, and the FBGA-484 footprint is compatible with standard video processing carrier boards.
Recommended
Software-Defined Radio (SDR)
The EP2C35F484I7N enables software-defined radio implementations for wireless infrastructure, public-safety radios, and amateur transceivers. Per Altera documentation, the 4 PLLs synthesize flexible LO frequencies, while the 150 multipliers perform channelization, FFT, and digital down-conversion in real time. The 322 user I/Os interface with high-speed ADCs and DACs for direct RF sampling up to hundreds of MHz. Industrial temperature rating suits outdoor base-station deployments. The 483 Kbits of embedded RAM provide sample buffering between ADC data paths and processing cores. FPGA-based SDR offers faster iteration than ASIC designs, with the EP2C35F484I7N balancing logic capacity against power consumption for portable radio platforms.
Recommended
ASIC Prototyping
The EP2C35F484I7N is commonly used as an ASIC prototyping platform for validating designs before tape-out. Per Altera Cyclone II Device Handbook, the 33K logic elements can emulate ASIC logic of similar gate count, and the FBGA-484 footprint with 322 I/Os closely matches mid-complexity ASIC package pin counts. Designers benefit from rapid compile times in Quartus II compared to ASIC place-and-route, enabling faster design iteration. The industrial temperature range allows prototype validation in target environments. Multiple EP2C35F484I7N devices can be paralleled on a prototyping board to emulate larger ASICs. The mature toolchain and abundant reference designs reduce prototyping risk compared to newer FPGA families.
Recommended
Communications Infrastructure
The EP2C35F484I7N supports communications infrastructure equipment including network switches, protocol bridges, and telecom line cards. Per Altera specifications, the device implements custom serial protocols, packet processing engines, and bridging logic between Ethernet, PCIe, and legacy bus standards. The 4 PLLs generate multiple clock domains for heterogeneous interface support, while 322 I/Os accommodate multiple high-speed parallel buses. Industrial temperature rating suits central-office and outdoor cabinet deployments. The 35 M9K memory blocks provide packet buffering, and the 150 multipliers accelerate encryption and checksum operations. The FBGA-484 package offers mechanical robustness for telecom equipment subject to vibration during installation and operation.
Recommended
Recommended Products Summary
Engineering reference data for EP2C35F484I7N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP2C35F484I8N | EP2C35F484I6N | EP2C35F484C8N | EP2C35F484C7N | EP2C35F484C6N | EP2C50F484I7N |
|---|---|---|---|---|---|---|---|
| Package | FBGA-484 | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Logic Elements | 33,216 | 33,216 | 33,216 | 33,216 | 33,216 | 33,216 | 49,752 |
| Speed Grade | 7 | 8 | 6 | 8 | 7 | 6 | 7 |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Industrial (-40C to +85C) |
| Embedded RAM Bits | 483,840 | 483,840 | 483,840 | 483,840 | 483,840 | 483,840 | 594,432 |
| Embedded 18x18 Multipliers | Up to 150 | Up to 150 | Up to 150 | Up to 150 | Up to 150 | Up to 150 | Up to 150 |
| PLLs | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Maximum User I/Os | 322 | 322 | 322 | 322 | 322 | 322 | 322 |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND | NRND |
Key Differentiators
- Balanced logic capacity and multiplier density for mid-range DSP (vs EP2C20F484I8N)
- Faster speed grade for timing-critical industrial designs (vs EP2C35F484I8N)
- Industrial temperature grade for harsh environments (vs EP2C35F484C8N)
- Upward migration path within same package (vs EP2C50F484I7N)
Design Notes
The EP2C35F484I7N requires multiple power rails: VCCINT (1.2 V core), VCCA (2.5 V PLL analog), VCCIO (1.5/1.8/2.5/3.3 V I/O banks). Per Altera Cyclone II Device Handbook, each rail must be decoupled with 0.1 uF and 10 uF capacitors placed close to the respective power pins. A common pitfall is failing to isolate VCCA from noisy digital VCCINT - use a ferrite bead or LC filter. Estimate: typical ICCINT at 33K LE utilization is approximately 500-800 mA; design the regulator with 1.5x headroom (i.e., 1.2 A capacity).
The FBGA-484 package has a theta_JA of approximately 15-20 C/W with proper PCB layout (per Altera thermal guidelines). For designs utilizing >70% of logic elements at high toggle rates, attach a heatsink or use thermal vias to inner copper planes. Estimate: at full utilization the device may dissipate 2-3 W; with 15 C/W theta_JA the junction rises 30-45 C above ambient, so derate ambient temperature to stay within the 125 C junction limit.
The FBGA-484 package has 1.0 mm ball pitch, requiring 4-6 layer PCB with microvia (laser-drilled) stack-up for fanout. Per Altera Cyclone II hardware guidelines, signal layers should reference continuous ground planes to control impedance for DDR2 interfaces (typically 50 ohm single-ended, 100 ohm differential). All JTAG, MSEL, and configuration pins require specific pull-up/pull-down resistors - consult the pin connection guidelines in the Cyclone II Device Handbook before layout finalization.
When interfacing the EP2C35F484I7N with DDR2 SDRAM, follow the Altera external memory interface guidelines for read/write leveling and DQ/DQS group matching. Per Altera documentation, the device supports up to 167 MHz DDR2 (333 Mbps per pin). Failure to match trace lengths within 50 ps across a DQS group will cause setup/hold violations at higher frequencies. Use IBIS simulation during PCB layout to verify signal integrity before fabrication.
Compliance Information
RoHS and lead-free compliant per Altera/Intel product page. AEC-Q100 not applicable - this is an FPGA, not an automotive-qualified IC. Halogen-free status not explicitly stated in verified data.
