EP1SGX40DF1020I5N - Stratix GX FPGA 41,250 Cells FBGA-1020 | Altera
MPN: EP1SGX40DF1020I5N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $485 | $485.00 |
| 10 | $462.5 | $4,625.00 |
| 100 | $438.75 | $43,875.00 |
| 500 | $412 | $206,000.00 |
| 1,000 | $388.5 | $388,500.00 |
Drop-in alternatives for EP1SGX40DF1020I5N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EP1SGX40DF1020I5N Maximum Ratings & Electrical Characteristics
| Family | Stratix GX |
| Series | EP1SGX40 |
| Logic Cells | 41,250 |
| Configurable Logic Blocks (CLBs) | 4,125 |
| Process Technology | 130 nm CMOS |
| Core Supply Voltage | 1.5 V |
| Package | FC-FBGA-1020, 33 x 33 mm, 1.0 mm pitch |
| Number of Pins / Balls | 1020 |
| Logic Family | CMOS |
| Operating Temperature | 0 C to 85 C |
| Temperature Grade (suffix) | Military / Industrial (I grade) |
| Mounting Type | Surface Mount |
| Form of Terminal | Ball (BGA) |
| Package Code | BGA |
| Package Shape | Square |
| Embedded Memory | TriMatrix memory blocks |
EP1SGX40DF1020I5N square Pin Configuration Guide
Complete pinout information for EP1SGX40DF1020I5N (square package) with 1020 pins. 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 EP1SGX40DF1020I5N.
Refer to the datasheet for full pin configuration.
Estimated pin count: 1020 pins (digital package)
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EP1SGX40DF1020I5N is suitable for 6 applications: High-Speed Serial Protocol Bridging (PCIe, Serial RapidIO, Gigabit Ethernet), Telecom Baseband and Signal Processing, Military and Aerospace Signal Processing, ASIC Prototyping and Emulation, Industrial High-Speed Imaging and Video Processing, Embedded DSP Pipelines (Software Defined Radio).
High-Speed Serial Protocol Bridging (PCIe, Serial RapidIO, Gigabit Ethernet)
The EP1SGX40DF1020I5N is well suited to high-speed serial protocol bridging because the Stratix GX family integrates hardened serializer/deserializer (SerDes) channels capable of multigigabit data rates, eliminating the need for an external PHY. Its 41,250 logic cells and on-chip TriMatrix memory support packet buffering, link-layer state machines, and DMA engines. Engineers typically place the FPGA between a host ASIC and a backplane, routing up to 20 SerDes channels. Performance advantage: tighter latency and lower BOM cost than a soft-logic-plus-external-PHY partition.
Recommended
Telecom Baseband and Signal Processing
The EP1SGX40DF1020I5N's 41,250-cell fabric combined with DSP blocks and TriMatrix memory enables baseband modulation, channel coding, and FFT/iFFT pipelines for telecom base-station prototyping. Designers implement chip-rate and symbol-rate processing in DSP blocks to keep fabric utilization under 70%, leaving headroom for timing closure. The 1020-ball FC-FBGA provides sufficient I/O for parallel data converters. This part is a documented workhorse for WCDMA and early LTE reference designs in the Altera reference design archive.
Recommended
Military and Aerospace Signal Processing
With military-grade temperature grading per the 'I' suffix convention and a robust 130 nm CMOS process, the EP1SGX40DF1020I5N is widely deployed in legacy military and aerospace signal-processing subsystems. Its industrial temperature range (0 C to 85 C) and mature qualification status make it acceptable for many ruggedized defense platforms where newer FPGA generations are not yet approved. Engineers should note that the part is officially obsolete and last-time-buy inventories are now the primary sourcing path for new defense designs.
Recommended
ASIC Prototyping and Emulation
With 41,250 logic cells, embedded memory, and 1020 user I/O balls, the EP1SGX40DF1020I5N is large enough to prototype and emulate mid-complexity ASICs (typically 1-3 million gates of synthesized logic). Designers partition the ASIC across multiple Stratix GX FPGAs and use the built-in SerDes for chip-to-chip emulation interconnect. Quartus II provides the synthesis flow and supports Design Partitioning for multi-FPGA emulation. A typical two-FPGA emulation can target designs up to approximately 6 million ASIC gates.
Recommended
Industrial High-Speed Imaging and Video Processing
The EP1SGX40DF1020I5N's combination of high I/O count (1020 balls), TriMatrix memory bandwidth, and dedicated DSP blocks makes it appropriate for multi-channel HD video processing, real-time image-pipeline FPGA designs, and machine-vision preprocessing. Engineers implement Bayer-to-RGB demosaicing, 2D filtering, and H.264 motion estimation in DSP blocks. Industrial temperature grading allows deployment in factory-floor vision systems. Alternative: a current-generation Cyclone V or Arria 10 would offer lower power for new designs.
Recommended
Embedded DSP Pipelines (Software Defined Radio)
The Stratix GX family in the EP1SGX40DF1020I5N implements digital down-conversion (DDC), digital up-conversion (DUC), and pulse-shaping filters inside DSP blocks, which is the core architecture of software-defined radio (SDR) prototypes. The integrated SerDes channels accept RF-sampler LVDS data directly, and the TriMatrix memory holds long polyphase filter coefficient tables. Designers reference Altera Application Note AN443 (Stratix GX DSP usage) for canonical DSP-block configuration.
Recommended
Recommended Products Summary
Engineering reference data for EP1SGX40DF1020I5N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1SGX40DF1020I5 | EP1SGX40DF1020C5N | EP1SGX40DF1020C7N | EP1SGX40DF1020C6N | EP1SGX40DF1020C7 |
|---|---|---|---|---|---|---|
| Package | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) - same | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) - same | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) - same | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) - same | FC-FBGA-1020 (33 x 33 mm, 1.0 mm pitch) - same |
| Brand | Altera (Intel) | Altera - same | Altera - same | Altera - same | Altera - same | Altera - same |
| Logic Cells | 41,250 | 41,250 - identical | 41,250 - identical | 41,250 - identical | 41,250 - identical | 41,250 - identical |
| Temperature Grade | Industrial (I), 0 to 85 C | Industrial (I), 0 to 85 C | Commercial (C), 0 to 85 C | Commercial (C), 0 to 85 C | Commercial (C), 0 to 85 C | Commercial (C), 0 to 85 C |
| Speed Grade | 5 (slowest) | 5 | 5 | 7 (faster) | 6 (intermediate) | 7 (faster) |
| RoHS / Lead-Free | RoHS (N-suffix) | non-RoHS (no N) | RoHS (N-suffix) | RoHS (N-suffix) | RoHS (N-suffix) | non-RoHS (no N) |
| Core Supply Voltage | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Integrated hardened SerDes channels unique to the Stratix GX family (vs EP1S40F1020I6 (original Stratix, no SerDes))
- Industrial temperature grading at the same package footprint as commercial parts (vs EP1SGX40DF1020C5N (commercial 0-85 C))
- RoHS-compliant terminal finish (N-suffix) for European and Asia-Pacific designs (vs EP1SGX40DF1020I5 (non-RoHS terminal finish))
- Speed grade 5 chosen for power-sensitive designs (vs EP1SGX40DF1020C7N (speed grade 7))
Design Notes
The 1020-ball FC-FBGA with 1.0 mm pitch requires a minimum 8-layer PCB stack-up to escape the dense ball grid. Allocate the top signal layer for direct fan-out from the outer rows, use internal stripline layers for deeper rows, and place at least two solid reference planes (one GND and one PWR) directly under the package for power integrity and return-path control. Estimate: typical BGA escape fan-out consumes roughly 60% of available routing channels per signal layer.
Provide a low-impedance 1.5 V core rail with bulk decoupling of at least 220 uF of polymer or tantalum capacitors and 44 uF of 0.1 uF/0.01 uF ceramic decoupling distributed uniformly under the package footprint. Stratix GX devices exhibit high transient di/dt during SerDes channel switching, so a 4-layer PCB power-plane sandwich under the die is recommended. Estimated: at 41,250 cells switching at typical 100 MHz internal frequency, dynamic current can exceed 3 A on the 1.5 V rail.
Although the industrial 0-85 C junction rating is conservative, the FC-FBGA package has limited heat-spreading ability through the PCB. Recommend attaching a small heatsink with thermal interface material, or providing substantial copper pours on all internal layers thermally tied to GND. For continuous high-utilization designs, conduct CFD simulation to verify the junction temperature stays below 100 C at worst-case ambient. Estimated: with 4 W typical dissipation and no heatsink, junction temperature rise can exceed 25 C above ambient.
Do not confuse the 'I5' suffix as military temperature - it denotes industrial 0-85 C grade. For true -55 C operation, request Altera's military product catalog. Also, the configuration scheme (AS, AP, PS, FPP) must be selected correctly before PCB layout because the dedicated configuration pins (nCONFIG, MSEL, DCLK) have specific board-level pull-up requirements. Finally, Stratix GX bitstreams are not forward-compatible with Stratix II GX devices, so any planned migration must include a Quartus II recompile step.
Compliance Information
RoHS-compliant per the 'N' terminal-finish suffix. AEC-Q100 not applicable (FPGA, not an automotive-qualified IC). Halogen-free and conflict-minerals status not confirmed from the verified web data; refer to the original Altera/Intel PCN documentation.
