EP4SGX530KF43C4 - Stratix IV GX FPGA, 531K LE, 1760-FCBGA | Intel
MPN: EP4SGX530KF43C4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4280 | $4,280.00 |
| 10 | $4150 | $41,500.00 |
| 100 | $3975 | $397,500.00 |
| 500 | $3850 | $1,925,000.00 |
| 1,000 | $3725 | $3,725,000.00 |
EP4SGX530KF43C4 Overview
What is an FPGA? A Field Programmable Gate Array (FPGA) is a class of programmable logic device that allows engineers to implement custom digital circuits after manufacturing. Within the broader taxonomy of integrated circuits, FPGAs sit alongside ASICs (Application-Specific ICs) and CPLDs (Complex Programmable Logic Devices). They are widely used for digital signal processing, protocol bridging, hardware acceleration, and prototyping. Stratix IV GX is Intel/Altera's high-end transceiver-rich FPGA family, hierarchical from LEs (Logic Elements) through LABs (Logic Array Blocks) up to full FPGA-level architecture.
Key features of the EP4SGX530KF43C4 include 21,248 Adaptive Logic Modules (ALMs) organized into LABs, embedded 18x18 multipliers for DSP operations, dedicated hardware for memory interfacing, and integrated PCI Express Gen1/Gen2 hard IP blocks. The device supports 800 MHz internal fabric clocking and operates from a 0.9 V core supply. It is offered in the commercial 0 to 85 C temperature grade.
Architecturally, Stratix IV GX devices incorporate Partial Reconfiguration capability, allowing live logic modification without halting system operation. The integrated transceivers support multiple protocols including CPRI, OBSAI, Serial RapidIO, Gigabit Ethernet, and XAUI. Memory interfaces are hardened for DDR3, QDRII+, and RLDRAM II, simplifying high-throughput memory subsystem design.
Typical applications include high-end wireline backhaul, test and measurement equipment with high-speed serial capture, medical imaging pipelines, radar/electronic warfare signal processing, broadcast video infrastructure, and high-performance computing accelerators. The combination of dense logic, high-speed serial I/O, and large on-die memory makes it well suited to data-path-intensive workloads.
When designing with this device, pay careful attention to PCB layout for the FC-BGA package - matched-length routing, controlled-impedance differential pairs, and adequate BGA breakout via patterns are mandatory. Thermal management for the 42.5 mm package requires a heatsink with thermal interface material; refer to the manufacturer pin-out and thermal documents for the package-specific thermal resistance values.
This page synthesizes verified distributor stock, pricing tiers, drop-in alternatives from the Stratix IV GX family, and practical PCB/thermal design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for EP4SGX530KF43C4 — 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 EP4SGX530KF43C4 (same form factor and footprint) — differing in Package, Operating Temperature, Transceivers, Process Technology, Embedded Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP4SGX530KF43C3
✅ Drop-In✓ In Stock
$3700 / Unit
View Datasheet →EP4SGX530KF43C3N
✅ Drop-In✓ In Stock
$3425 / Unit
View Datasheet →EP4SGX530KF43C2N
✅ Drop-In✓ In Stock
$3450 / Unit
View Datasheet →EP4SGX530KF43C2
✅ Drop-In✓ In Stock
$3755 / Unit
View Datasheet →EP4SGX530KF43C4 Maximum Ratings & Electrical Characteristics
| Device Type | FPGA - Field Programmable Gate Array |
| Series | Stratix IV GX |
| Logic Elements | 531,200 |
| Logic Array Blocks (LABs) | 21,248 |
| Embedded Memory | 28,033,024 bits |
| User I/Os | 880 |
| Package | 1760-ball FC-BGA (42.5 x 42.5 mm) |
| Process Technology | 40 nm |
| Core Voltage | 0.9 V |
| Internal Fabric Clock | 800 MHz (max) |
| Transceivers | Up to 24 channels, 8.5 Gbps |
| Operating Temperature | 0 C to +85 C (Commercial) |
| Mounting Type | Surface Mount (BGA) |
| RoHS Status | Compliant |
| Lead Free | Yes |
EP4SGX530KF43C4 1760-ball fc-bga (42.5 x 42.5 mm) Pin Configuration Guide
Pin configuration for EP4SGX530KF43C4 (1760-ball fc-bga (42.5 x 42.5 mm) 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 EP4SGX530KF43C4.
Refer to the datasheet for full pin configuration.
Typical Applications
EP4SGX530KF43C4 is suitable for 6 applications: High-Speed Wireline Backhaul, Test and Measurement Instrumentation, Medical Imaging Systems, Radar and Electronic Warfare Signal Processing, Broadcast Video Infrastructure, High-Performance Computing Accelerator.
High-Speed Wireline Backhaul
The EP4SGX530KF43C4's 24 transceivers at 8.5 Gbps and 531K logic elements suit CPRI and OBSAI backhaul designs. Placed between baseband processors and optical front-ends, it handles multi-sector aggregation with hardware-implemented protocol offload. Compared with discrete PHY plus ASIC approaches, the integrated transceivers eliminate external SERDES components and reduce board area by roughly 40 percent. Memory bandwidth from 28 Mbit embedded SRAM buffers sub-frame data without external DDR access latency.
Recommended
Test and Measurement Instrumentation
The combination of 880 user I/Os, large on-die memory, and integrated transceivers makes the EP4SGX530KF43C4 ideal for oscilloscope and logic-analyzer front-end processing. Real-time signal capture benefits from the 28 Mbit embedded SRAM and 800 MHz fabric clock, supporting deep acquisition memory without external buffering. Hard PCI Express Gen2 IP enables direct streaming to host processors. Compared with ASSP-based approaches, the FPGA allows custom protocol decoding and trigger logic tailored to specific measurement workflows.
Recommended
Medical Imaging Systems
CT, MRI, and ultrasound imaging systems use the EP4SGX530KF43C4 to perform real-time beamforming, image reconstruction, and noise filtering. The 21,248 ALMs combined with hundreds of 18x18 multipliers deliver the DSP throughput required for back-projection algorithms at clinically useful frame rates. Embedded memory blocks eliminate bottlenecks in line-buffer storage, while transceivers stream pre-processed image data to display controllers. The 0-85 C commercial temperature range covers stationary imaging-room equipment without requiring industrial-grade parts.
Recommended
Radar and Electronic Warfare Signal Processing
Defense and aerospace applications leverage the EP4SGX530KF43C4 for pulse-Doppler and SAR (Synthetic Aperture Radar) processing. The transceiver-rich architecture aggregates multiple RF channels at 8.5 Gbps, while 531K logic elements host FFT and matched-filter implementations in parallel. The 28 Mbit embedded SRAM provides coefficient and sample storage close to DSP blocks, avoiding external memory round-trips during high-rate processing. Partial Reconfiguration capability enables mode switching between surveillance and tracking algorithms without interrupting operation.
Recommended
Broadcast Video Infrastructure
The EP4SGX530KF43C4 supports 3G-SDI, 6G-SDI, and emerging 12G-SDI video routing and processing in broadcast studios. Transceivers interface directly to serial digital video signals at 11.88 Gbps when using oversampling techniques, while fabric logic handles color-space conversion, frame synchronization, and audio embedding. The 880 user I/Os aggregate many parallel video streams simultaneously. Compared with fixed-function broadcast ASSPs, the FPGA enables support for next-generation formats (SMPTE 2110 IP video) without hardware replacement.
Recommended
High-Performance Computing Accelerator
HPC clusters employ the EP4SGX530KF43C4 as a co-processor for algorithmic acceleration in finance, genomics, and scientific computing. PCI Express Gen2 hard IP blocks connect directly to host CPUs at 5 Gbps per lane, while 531K logic elements implement custom compute kernels in parallel. The 28 Mbit embedded SRAM stores lookup tables and intermediate results. Compared with GPU acceleration, the FPGA offers deterministic latency and lower power per operation for specific algorithms such as option pricing and BLAST sequence alignment.
Recommended
Recommended Products Summary
Engineering reference data for EP4SGX530KF43C4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP4SGX530KF43C3 | EP4SGX530KF43C3N | EP4SGX530KF43C2N | EP4SGX530KF43C2 |
|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel |
| Package | 1760-ball FC-BGA (KF43) 42.5x42.5 mm | 1760-ball FC-BGA (KF43) 42.5x42.5 mm | 1760-ball FC-BGA (KF43) 42.5x42.5 mm | 1760-ball FC-BGA (KF43) 42.5x42.5 mm | 1760-ball FC-BGA (KF43) 42.5x42.5 mm |
| Speed Grade | C4 (fastest) | C3 (-6% fMAX) | C3 (-6% fMAX), lead-free | C2 (-12% fMAX), lead-free | C2 (-12% fMAX) |
| Logic Elements | 531,200 | 531,200 | 531,200 | 531,200 | 531,200 |
| Embedded Memory (bits) | 28,033,024 | 28,033,024 | 28,033,024 | 28,033,024 | 28,033,024 |
| User I/Os | 880 | 880 | 880 | 880 | 880 |
| Transceivers | 24 x 8.5 Gbps | 24 x 8.5 Gbps | 24 x 8.5 Gbps | 24 x 8.5 Gbps | 24 x 8.5 Gbps |
| Core Voltage | 0.9 V | 0.9 V | 0.9 V | 0.9 V | 0.9 V |
| Operating Temperature | 0 C to +85 C (Commercial) | 0 C to +85 C (Commercial) | 0 C to +85 C (Commercial) | 0 C to +85 C (Commercial) | 0 C to +85 C (Commercial) |
| RoHS / Lead-Free | Compliant / Lead-free | Compliant | Compliant / Lead-free | Compliant / Lead-free | Compliant |
Key Differentiators
- Highest speed grade (C4) in Stratix IV GX family (vs EP4SGX530KF43C3)
- Original non-N lead-free designation (vs EP4SGX530KF43C3N)
- Largest density in Stratix IV GX family (vs EP4SGX360KF43C4)
Design Notes
The 1760-ball FC-BGA package requires high-density PCB stack-up with at least 10 layers to escape the 1.0 mm ball pitch. Use laser-drilled microvias for inner-row escape and back-drilled through-vias on high-speed transceiver lanes to control stub length below 0.15 mm. Decoupling requires 0402-size capacitors placed within 2 mm of each power pin, with bulk capacitance on the reverse side of the BGA footprint.
Estimated: with a junction-to-ambient thermal resistance in the 5-8 C/W range for the 42.5 mm FC-BGA package (estimated based on package size; refer to manufacturer thermal model for exact theta_JA), the device can dissipate up to 15-20 W reliably without active cooling. For designs targeting full transceiver utilization, attach a heatsink with thermal interface material and ensure forced airflow of 200 LFM minimum across the package.
Transceiver channels operating at 8.5 Gbps require controlled-impedance differential routing with 100 ohm differential impedance and intra-pair skew below 1 ps per cm. Use length-matched serpentine structures to tune channel-to-channel skew within the FPGA's transceiver margin budget. Reference-plane continuity beneath high-speed traces must be maintained; avoid layer transitions that interrupt the return-current path.
The 0.9 V core supply demands a high-current power supply unit capable of delivering 20-40 A with tight regulation (less than 3 percent ripple). Use a multi-phase PWM controller with output inductors below 0.5 uH to minimize transient response. Power-on sequencing must enforce core-before-I/O before-transceiver order; failure to sequence correctly can cause latch-up. Include soft-start circuitry to limit inrush current on hot-plug applications.
Configuration flash must be sized for the chosen bitstream compression mode - uncompressed Stratix IV GX bitstreams can exceed 200 Mbit, requiring external 256 Mbit SPI flash. Do not connect JTAG TCK directly to non-3.3 V tolerant devices; the Stratix IV configuration bank operates at 1.8/2.5/3.3 V selectable. Always verify the AS (active serial) mode timing with the chosen flash device - some lower-cost flashes fail the 50 MHz AS_CLK spec.
Compliance Information
RoHS compliant per Intel/Altera product page. Not AEC-Q100 qualified - not intended for automotive safety-critical applications. Reach and conflict-mineral compliance status from manufacturer product disclosure.
