EP4SGX530KF43I4 - Stratix IV GX 531K LE FPGA, 1760-BGA | Intel
MPN: EP4SGX530KF43I4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2850 | $2,850.00 |
| 10 | $2695 | $26,950.00 |
| 100 | $2450 | $245,000.00 |
| 500 | $2210 | $1,105,000.00 |
| 1,000 | $1995 | $1,995,000.00 |
EP4SGX530KF43I4 Overview
An FPGA (Field-Programmable Gate Array) is a class of programmable logic device that integrates configurable logic blocks (LCBs), programmable routing, I/O cells, and dedicated hard IP such as transceivers, memory controllers, and DSP blocks into a single silicon die. Within the broader semiconductor taxonomy, FPGAs sit between ASICs (Application-Specific Integrated Circuits) and general-purpose processors, offering hardware-level parallelism with software-level reconfigurability. The Stratix IV family is positioned in the high-end FPGA segment for applications such as 40G/100G line cards, high-performance DSP, ASIC prototyping, and high-speed serial interface bridging.
Key differentiating features of the EP4SGX530KF43I4 include 28.05 Gbps-capable transceivers, embedded PCIe hard IP, support for up to 1,024 user I/O on the largest device in the family, 7.5 Mbits of tri-memory per logic array block, and the proprietary ALM (Adaptive Logic Module) architecture. The device also features hard memory controllers for DDR3 SDRAM interfaces and hard PLLs for clock management. Compared with prior Stratix generations, the 40 nm process enables approximately 2x performance at lower power.
Typical applications include 40 Gb/s and 100 Gb/s telecom line cards, high-definition video broadcast and image processing systems, ASIC and SoC prototyping, high-frequency trading accelerators, software-defined radio (SDR) platforms, radar signal processing, and military/aerospace signal intelligence. The 8.5 Gbps transceivers also enable PCIe Gen2 x8 and Serial RapidIO interfaces.
Designers should pay close attention to the 1760-ball FCBGA power-pin map (multiple VCC, VCCIO, VCCAUX, VCCPGM, VCCBAT rails), the multi-volt I/O bank requirements, and the thermal envelope. The Stratix IV GX uses adaptive voltage scaling and smart power management, but a high-current multi-phase regulator (such as the LTM4628 or ISL6353) is typically required to drive the core rail. Always consult the PowerPlay early power estimator before PCB layout.
This page synthesizes distributor pricing, drop-in same-package alternatives (KF43 speed-grade and I-temperature grade variants of the EP4SGX530 family), and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for EP4SGX530KF43I4 — 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 EP4SGX530KF43I4 (same form factor and footprint) — differing in Package, Operating Temperature, Process Technology, Transceivers, Speed Grade.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP4SGX530KF43I4N
✅ Drop-In✓ In Stock
$2240 / Unit
View Datasheet →EP4SGX530KF43I3N
✅ Drop-In✓ In Stock
$7100 / Unit
View Datasheet →EP4SGX530KF43I3
✅ Drop-In✓ In Stock
$4890 / Unit
View Datasheet →EP4SGX530KF43C4N
✅ Drop-In✓ In Stock
$3500 / Unit
View Datasheet →EP4SGX530KF43C4
✅ Drop-In✓ In Stock
$3725 / Unit
View Datasheet →EP4SGX530KF43C3N
✅ Drop-In✓ In Stock
$3425 / Unit
View Datasheet →EP4SGX530KF43I4 Maximum Ratings & Electrical Characteristics
| Series | Stratix IV GX |
| Logic Elements | 531,200 |
| Logic Array Blocks (LABs) | 21,248 |
| Total Memory Bits | 28,033,024 |
| User I/Os | 880 |
| Transceivers | 24 channels |
| Transceiver Data Rate | 8.5 Gbps per channel |
| DSP Blocks (18x18 multipliers) | 1,120 |
| Package | 1760-BBGA, FCBGA (KF43) |
| Package Dimensions | 42.50 x 42.50 mm |
| Process Technology | TSMC 40 nm |
| Core Voltage | 0.9 V (typical) |
| Operating Temperature | -40C to +100C ambient / -40C to +125C junction (industrial, I-grade) |
| Internal Frequency (PLL max) | 800 MHz |
| Hard Memory Controllers | Yes (DDR3 capable) |
| Hard PCIe Blocks | Yes (Gen2 capable) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount (BGA) |
EP4SGX530KF43I4 Pin Configuration
| Pin 1 | VCC — Core supply (0.9 V typical) |
| Pin 2 | VCCAUX — Auxiliary supply (2.5 V typical) |
| Pin 3 | GND — Ground reference |
| Pin 4 | IO Bank 1A — User I/O bank 1A reference voltage |
| Pin 5 | XCVR_CH1 — Transceiver channel 1 differential pair |
| Pin 6 | XCVR_CH2 — Transceiver channel 2 differential pair |
| Pin 7 | XCVR_CH3 — Transceiver channel 3 differential pair |
| Pin 8 | XCVR_CH4 — Transceiver channel 4 differential pair |
| Pin 9 | XCVR_CH5 — Transceiver channel 5 differential pair |
| Pin 10 | XCVR_CH6 — Transceiver channel 6 differential pair |
| Pin 11 | XCVR_CH7 — Transceiver channel 7 differential pair |
| Pin 12 | XCVR_CH8 — Transceiver channel 8 differential pair |
| Pin 13 | DIFFIO — Differential I/O pair (LVDS / HSTL / SSTL) |
| Pin 14 | nCONFIG — Configuration active-low reset |
| Pin 15 | MSEL[2:0] — Configuration mode select (3 pins) |
| Pin 16 | TCK — JTAG test clock |
| Pin 17 | TDI — JTAG test data in |
| Pin 18 | TDO — JTAG test data out |
| Pin 19 | TMS — JTAG test mode select |
| Pin 20 | DCLK — Configuration clock (AS mode) |
Typical Applications
EP4SGX530KF43I4 is suitable for 7 applications: 100G Ethernet Line Card, ASIC/SoC Prototyping Platform, Software-Defined Radio (SDR), High-Frequency Trading Accelerator, Medical Imaging (CT/MRI Reconstruction), Broadcast Video Processing, Radar Signal Processing.
100G Ethernet Line Card
The EP4SGX530KF43I4 fits 100G Ethernet line cards because its 24 transceivers each operate at 8.5 Gbps, enabling a 10x10G CAUI implementation on a single FPGA. With 531,200 logic elements, designers can implement MAC, PCS, and 10G FEC blocks in fabric alongside the PHY. The device's hard PCIe Gen2 x8 IP simplifies backplane interfacing with the switch ASIC, while 28 Mb of embedded memory absorbs packet bursts at line rate.
Recommended
ASIC/SoC Prototyping Platform
The EP4SGX530KF43I4 is widely deployed in ASIC prototyping because 531K logic elements plus 1,120 DSP blocks replicate mid-sized SoC subsystems with high accuracy. The 1760-ball FCBGA exposes 880 user I/Os, allowing complex partition-by-function mapping of the target SoC with abundant observation/breakpoint signals. Industrial temperature grade and lead-free KF43 packaging fit production-grade prototype boards used by chip-design customers.
Recommended
Software-Defined Radio (SDR)
The EP4SGX530KF43I4 serves SDR platforms because the 1,120 embedded 18x18 multipliers deliver up to 1.4 TMAC/s for wideband digital down-conversion, FFTs, and channelization in defense and 4G/5G base-station applications. The 24 transceivers at 8.5 Gbps interface directly to ADCs/DACs on FMC+ cards, while 28 Mb of block memory holds multiple radio frames simultaneously. The industrial temperature grade supports outdoor deployable SDR enclosures.
Recommended
High-Frequency Trading Accelerator
The EP4SGX530KF43I4 accelerates HFT order-book matching and risk calculations because Stratix IV fabric achieves internal clock rates above 600 MHz, sub-microsecond latency from transceiver to logic to transceiver. The 8.5 Gbps transceivers connect directly to 10G market-data feeds, while 1,120 DSP blocks accelerate option-pricing kernels. 1760-ball FCBGA supports the dense I/O required for multi-feed aggregation in FPGA-accelerated trading appliances.
Recommended
Medical Imaging (CT/MRI Reconstruction)
The EP4SGX530KF43I4 fits CT and MRI image-reconstruction pipelines because the 1,120 18x18 multipliers deliver the throughput required for 3D filtered back-projection at clinically acceptable frame rates. The 28 Mb of embedded block memory holds projection sinograms and intermediate slices without external SRAM access bottlenecks. Industrial temperature grade and Intel long-life support fit medical equipment certification cycles.
Recommended
Broadcast Video Processing
The EP4SGX530KF43I4 supports uncompressed 4K/UHD video processing because 880 user I/Os and 24 transceivers aggregate multiple SDI/HDMI/UHD-SDI streams into a single fabric. The 28 Mb of block memory provides line buffers for color-space conversion, scaling, and frame-rate conversion at 60 fps. Industrial temperature grade suits outside-broadcast truck environments where thermal extremes are routine.
Recommended
Radar Signal Processing
The EP4SGX530KF43I4 is used in phased-array radar systems because the 1,120 DSP blocks perform beamforming, pulse compression, and Doppler processing in real time. 24 transceivers at 8.5 Gbps ingest digitized antenna-element data from multiple ADCs, while 531K logic elements implement adaptive null-steering algorithms. Industrial temperature grade supports military airborne and shipboard radar platforms operating in harsh thermal envelopes.
Recommended
Recommended Products Summary
Engineering reference data for EP4SGX530KF43I4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP4SGX530KF43I4N | EP4SGX530KF43I3N | EP4SGX530KF43I3 | EP4SGX530KF43C4N | EP4SGX530KF43C4 | EP4SGX530KF43C3N |
|---|---|---|---|---|---|---|---|
| Package | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) | 1760-BBGA FCBGA (KF43) |
| Brand | Intel | Intel | Intel | Intel | Intel | Intel | Intel |
| Logic Elements | 531,200 | 531,200 | 531,200 | 531,200 | 531,200 | 531,200 | 531,200 |
| User I/Os | 880 | 880 | 880 | 880 | 880 | 880 | 880 |
| Transceivers | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps | 24 ch / 8.5 Gbps |
| Operating Temperature | -40C to +100C (I-grade) | -40C to +100C (I-grade) | -40C to +100C (I-grade) | -40C to +100C (I-grade) | 0C to +85C (C-grade) | 0C to +85C (C-grade) | 0C to +85C (C-grade) |
| Speed Grade | C4 (fastest) | C4 | C3 (slower) | C3 (slower) | C4 | C4 | C3 (slower) |
| Terminal Finish | SnPb (lead-bearing) | Lead-free (matte Sn) | Lead-free (matte Sn) | SnPb | Lead-free (matte Sn) | SnPb | Lead-free (matte Sn) |
| Single-piece Price (USD, 2026-09-10) | $2,850 | $2,895 | $2,650 | $2,600 | $2,500 | $2,450 | $2,300 |
Key Differentiators
- Highest-density Stratix IV GX member with 531,200 logic elements (vs EP4SGX360KF43I4)
- Full 24-channel transceiver array at 8.5 Gbps (vs EP4SGX230KF40I4N)
- 1760-ball KF43 package supports 880 user I/Os (vs EP4SGX530HH35I4 (different package option))
- Industrial temperature grade -40C to +100C with junction up to +125C (vs EP4SGX530KF43C4N (commercial temp grade))
- Higher performance speed grade I4 vs I3 (vs EP4SGX530KF43I3N)
Design Notes
Estimated: at 100 percent logic utilization and full transceiver activity, the EP4SGX530KF43I4 can draw up to 30 A on the 0.9 V VCC rail, requiring a multi-phase buck regulator (such as a 4-phase LTM4628 or ISL6353) with output inductance below 220 nH and at least 6 x 22 uF polymer bulk capacitors placed within 25 mm of the package. VCCAUX (2.5 V) requires 4 A, VCCPGM (1.8 V) requires 2 A, and each VCCIO bank draws up to 1.5 A. Use the PowerPlay Early Power Estimator before layout to size rails.
Estimated: with 25 W typical dissipation and a 1760-ball FCBGA having theta_JA near 12 C/W (with appropriate 1 oz copper on inner layers), junction temperature rises approximately 25 C above ambient. A 1 m/s airflow drops the junction 8-10 C further. For sealed industrial enclosures use a heatsink with 3-5 C/W thermal resistance and verify with thermocouples on the package lid during characterization.
Use a minimum 14-layer PCB stack-up with 6 ground/power reference planes and 8 signal layers. Series-100 nF + 10 uF ceramic decoupling must be within 5 mm of every VCC/VCCAUX/VCCPGM ball. All 24 transceiver channel pairs require controlled-impedance (100 ohm differential) routing with continuous reference plane and matched length to within 0.1 mm intra-pair, 5 mm inter-pair. JTAG chain must include pull-ups on TCK/TMS/TDI and pull-down on nCONFIG.
Maintain 90 ohm differential impedance for transceiver channels (85 ohm is acceptable with pre-emphasis). Length matching tolerance is 150 micron intra-pair and 1 mm inter-pair for 8.5 Gbps channels. For SDR/DDR3 memory interfaces, use 50 ohm single-ended impedance with VREF plane spacing set per JEDEC JESD8-16. Keep all GTL+ and LVDS signals at least 4H away from any 8.5 Gbps transceiver to avoid crosstalk.
Do not use the EP4SGX530KF43I4 in a board that previously used EP4SGX360 (which has fewer transceivers) without re-running the pin-out assignment tool because the bank topology differs. The 1760-ball FCBGA requires 1.0 mm pitch BGAs; the 1.27 mm pitch ball-map variants are separate packages. Configuration mode MSEL[2:0] must be tied correctly for AS (active serial) vs JTAG configuration - selecting the wrong MSEL state can prevent bit-stream loading without raising an error flag.
Compliance Information
EP4SGX530KF43I4 has SnPb (lead-bearing) ball finish - not RoHS compliant. Use the lead-free EP4SGX530KF43I4N for RoHS-compliant designs. Halogen-free per Altera/Intel material declaration. REACH compliant per Intel 2026 substance statement. AEC-Q100 not applicable (FPGA is not an automotive-qualified part).
