EP1S40F1020C6 - 41,250 LE Stratix FPGA, 773 I/O, 1020-BGA | Altera
MPN: EP1S40F1020C6 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1836.69 | $1,836.69 |
| 10 | $1700 | $17,000.00 |
| 25 | $1600 | $40,000.00 |
| 100 | $1480 | $148,000.00 |
| 500 | $1380 | $690,000.00 |
Drop-in alternatives for EP1S40F1020C6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EP1S40F1020C6 Maximum Ratings & Electrical Characteristics
| Family | Stratix (original, EP1S) |
| Logic Elements (LE) | 41,250 |
| Logic Array Blocks (LABs) | 4,125 |
| Embedded Memory Bits | 3,423,744 bits (TriMatrix: M512 + M4K + M-RAM) |
| Maximum User I/O | 773 |
| Package | 1020-BBGA, FC-FBGA, 33 x 33 mm, 1.0 mm pitch |
| Process Technology | 0.13 µm CMOS |
| Core Voltage | 1.5 V |
| Operating Temperature | 0 °C to +85 °C (commercial) |
| Maximum Frequency | 450.05 MHz |
| Supply Voltage (Core) | 1.5 V |
| I/O Standards | LVTTL, LVCMOS, LVDS, SSTL, HSTL, PCI, PCI-X |
| Mounting Type | Surface Mount (FCBGA) |
EP1S40F1020C6 Pin Configuration
| Pin A1 | I/O — User I/O ball (per pinout table in Stratix handbook) |
| Pin A2 | I/O — User I/O ball (per pinout table in Stratix handbook) |
| Pin A3 | VCCINT — Core 1.5 V supply |
| Pin A4 | VCCIO — I/O bank supply voltage |
| Pin A5 | GND — Ground |
| Pin AC1 | I/O — User I/O ball (per pinout table) |
| Pin AC32 | I/O — User I/O ball (per pinout table) |
| Pin AD1 | I/O — User I/O ball (per pinout table) |
| Pin AD32 | I/O — User I/O ball (per pinout table) |
| Pin AE2 | I/O — User I/O ball (per pinout table) |
| Pin AE3 | VCCINT — Core 1.5 V supply |
| Pin AE31 | VCCIO — I/O bank supply voltage |
| Pin AE32 | GND — Ground |
| Pin B1 | I/O — User I/O ball (per pinout table in Stratix handbook) |
| Pin B2 | I/O — User I/O ball (per pinout table) |
| Pin B3 | I/O — User I/O ball (per pinout table) |
| Pin B4 | GND — Ground |
| Pin B5 | VCCINT — Core 1.5 V supply |
| Pin C1 | I/O — User I/O ball (per pinout table) |
| Pin C32 | I/O — User I/O ball (per pinout table) |
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
EP1S40F1020C6 is suitable for 7 applications: Telecommunications Backplane Switching, High-Speed DSP Pipeline (FIR / FFT), ASIC Prototyping and Emulation, Industrial Imaging and Machine Vision, Radar and Sonar Signal Processing, Network Switching and Protocol Bridging, Test and Measurement Instrumentation.
Telecommunications Backplane Switching
The EP1S40F1020C6's 41,250 logic elements, 773 user I/O, and high-density 1020-BGA package make it well-suited for legacy telecom backplane switching fabric designs. The TriMatrix memory blocks (M512 + M4K + M-RAM totaling 3,423,744 bits) can buffer packet queues and routing tables, while LVDS and HSTL I/O support drive the high-speed backplane SERDES interface without external transceivers. Compared with newer devices, this part is appropriate when reusing legacy board designs targeting the original Stratix family. Pair it with Altera legacy EP1S30 or EP1S25 siblings for hierarchical multi-FPGA fabrics.
Recommended
High-Speed DSP Pipeline (FIR / FFT)
The EP1S40F1020C6 contains dedicated hardware DSP blocks capable of 9 x 9-bit and 18 x 18-bit multiplication with accumulation, making it ideal for high-throughput FIR filters and FFT engines. At 450.05 MHz core frequency, a single device can process multiple parallel FFT pipelines for radar, sonar, or software-defined radio systems. The 3.4 Mbit of embedded TriMatrix memory provides coefficient storage and ping-pong buffers for streaming data. Compared with a DSP processor, this FPGA delivers deterministic latency and far higher parallelism per watt.
Recommended
ASIC Prototyping and Emulation
With 41,250 logic elements, the EP1S40F1020C6 can prototype mid-complexity ASIC designs containing up to ~1M gates of random logic. Designers partition the ASIC across multiple Stratix devices using the 773 I/O pins for chip-to-chip interconnect, achieving ASIC validation before tape-out. The 1020-BGA package provides the routing density required for multi-FPGA partitioning. Compared with newer Stratix IV/10 devices, this part is chosen when reusing existing prototyping infrastructure and Quartus II tool flow.
Recommended
Industrial Imaging and Machine Vision
The EP1S40F1020C6 supports high-bandwidth LVDS and parallel CMOS camera interfaces through its 773 user I/O, enabling real-time pixel processing pipelines for machine vision. Designers implement Bayer demosaicing, color correction, and edge detection directly in the FPGA fabric, with on-chip memory buffering line-scan or area-array frames. The 1.5 V core keeps power dissipation manageable in fanless industrial enclosures, and the commercial 0 to 85 °C range covers most factory-floor deployments.
Recommended
Radar and Sonar Signal Processing
The EP1S40F1020C6's combination of high logic density, embedded DSP blocks, and 3.4 Mbit of TriMatrix memory makes it a strong fit for legacy radar beamforming and sonar array processing systems. Designers implement matched filters, pulse compression, and beam-steering weights in dedicated DSP blocks, using LABs for control logic and embedded memory for sample buffering. The 450 MHz core clock supports real-time processing of wide-bandwidth intermediate-frequency signals. Compared with newer devices, this part is favored in long-lifecycle defense programs where design qualification predates Stratix IV/10.
Recommended
Network Switching and Protocol Bridging
The EP1S40F1020C6's 773 user I/O and high logic count support legacy network switching fabrics, bridging protocols such as SPI-4.2, RapidIO, and PCI-X. The TriMatrix memory buffers packet payloads at wire speed, while the DSP blocks accelerate hashing and CRC functions. With PCI-X support up to 133 MHz, the device can act as a host-bridge or custom NIC in legacy telecom equipment. For new designs, migration to Stratix IV/10 with embedded transceivers is recommended.
Recommended
Test and Measurement Instrumentation
The EP1S40F1020C6 is widely deployed in legacy high-end oscilloscopes, logic analyzers, and protocol testers where its 773 I/O and 450 MHz fabric enable parallel data acquisition and on-the-fly pattern generation. Engineers implement custom triggering, serial protocol decoding (I2C, SPI, UART, CAN), and statistical analysis directly in the FPGA, offloading the host CPU. The deterministic fabric timing and rich TriMatrix memory pool support deep acquisition buffers. Pair with DDR SDRAM controllers for high-bandwidth capture-to-RAM designs.
Recommended
Recommended Products Summary
Engineering reference data for EP1S40F1020C6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1S40F1020C5 | EP1S40F1020C7 | EP1S40F1020C5N | EP1S40F1020I6N | EP1S40F1020C6N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 1020-BBGA, FC-FBGA, 33 x 33 mm, 1.0 mm pitch | 1020-BBGA, FC-FBGA - same | 1020-BBGA, FC-FBGA - same | 1020-BBGA, FC-FBGA - same | 1020-BBGA, FC-FBGA - same | 1020-BBGA, FC-FBGA - same |
| Logic Elements | 41,250 | 41,250 - same | 41,250 - same | 41,250 - same | 41,250 - same | 41,250 - same |
| Speed Grade | -6 | -5 (slower) | -7 (faster) | -5 (slower) | -6 (same) | -6 (same) |
| Operating Temperature | 0 °C to +85 °C (commercial) | 0 °C to +85 °C | 0 °C to +85 °C | 0 °C to +85 °C | -40 °C to +100 °C (industrial) | 0 °C to +85 °C |
| Pb-free / Lead-free | SnPb (standard) / per ordering code | Standard | Standard | Pb-free | Pb-free | Pb-free |
| Embedded Memory (TriMatrix) | 3,423,744 bits | 3,423,744 bits - same | 3,423,744 bits - same | 3,423,744 bits - same | 3,423,744 bits - same | 3,423,744 bits - same |
| Maximum User I/O | 773 | 773 - same | 773 - same | 773 - same | 773 - same | 773 - same |
| Lifecycle Status | Obsolete (channel stock only) | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Speed grade -6 provides balanced Fmax and cost (vs EP1S40F1020C7)
- Commercial 0 °C to +85 °C is the most widely stocked variant (vs EP1S40F1020I6N)
- Standard SnPb termination variant is preferred for defense/aerospace legacy programs (vs EP1S40F1020C6N)
Design Notes
Estimated: at typical utilization of 70% logic and 450 MHz operation, the EP1S40F1020C6 dissipates approximately 4-6 W depending on toggle rate and I/O activity. The 1020-BGA package has limited heat removal through balls; designers must use a multi-layer PCB with a thermal ground plane stitched directly under the BGA and provide airflow of at least 1 m/s. For sustained full-load operation, attach a heatsink with thermal interface material rated for the FCBGA surface. Without proper thermal management, junction temperature can exceed the 0-85 °C commercial range.
The 1020-BGA at 1.0 mm pitch requires a minimum 6-layer PCB with microvia or via-in-pad construction for reliable assembly. Each BGA ball should connect to its own via, with power and ground balls using full via-in-pad plus thermal reliefs to maintain solder joint integrity. Decoupling capacitors (0.1 µF, 1 µF, 10 µF) must be placed within 5 mm of the device on the opposite PCB side. The 1020-BGA land pattern is non-standard; use the Altera reference land pattern from the package specification document. Estimated: signal integrity budgets should assume 50 Ω controlled impedance for SSTL/HSTL memory interfaces.
Quartus II legacy versions (up to 13.0sp1) are required to compile designs for the EP1S40F1020C6; newer Quartus Prime versions do not support the original Stratix family. When sourcing from non-authorized distributors, verify the part is not remarked; Altera's original marking includes the date code, lot number, and 'Altera' logo. The 'C6' suffix denotes commercial temperature and speed grade -6; do not confuse with 'I6N' (industrial) or 'C7' (faster speed grade). Pinout differs between speed grades and temp grades only in ID and factory test access - functional pins remain identical.
Compliance Information
RoHS status not confirmed in available web data; the original Stratix family predates widespread RoHS conversion. The Pb-free / lead-free variant is denoted with an 'N' suffix (e.g., EP1S40F1020C6N). AEC-Q100 is not applicable - this is a commercial-grade FPGA, not automotive-qualified.
