Altera

EP1SGX40GF1020C6B - 41k LE Stratix GX FPGA | Altera | 1020-FBGA

MPN: EP1SGX40GF1020C6B ✗ End of Life
In Stock Ships in 1-3 business days
1.425 V to 1.575 V (1.5 V nominal) Vdss 1020-BBGA, FCBGA (Flip-Chip) Package 20 channels, up to 3.125 Gbps Speed 3.4 Mbits (TriMatrix) Memory
From $1590 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $1850 $1,850.00
10 $1750 $17,500.00
25 $1690 $42,250.00
50 $1640 $82,000.00
100 $1590 $159,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX40GF1020C6B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP1SGX40GF1020C6

✅ Drop-In
Altera
📦 1020-FBGA (33x33 mm)
Stratix GX · 41,250 · 4,125 · 3,423,744 · 624 · 14 · 1.425 V – 1.575 V (1.5 V nominal) · 0 °C to +85 °C (Commercial)

✓ In Stock

$360 / Unit

View Datasheet →

EP1SGX40G

✅ Drop-In
Intel
📦 1020-FBGA (33x33 mm)
Stratix GX · 41,250 · 3,423,744 · [DATA_NEEDED: DSP block count] · 624 · 1020-pin FineLine BGA · 20 · 3.1875 Gbps

✓ In Stock

$595 / Unit

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EP1SGX40DF1020C6BN

✅ Drop-In
Intel
📦 1020-FBGA (33x33 mm)
Stratix GX · 4125 · 41250 · 3423744 · 624 · 1020-BBGA (FineLine BGA) · 0C to +85C (Commercial) · 6

✓ In Stock

$188 / Unit

View Datasheet →

EP1SGX40FF1020C6

✅ Drop-In
Altera
📦 1020-FBGA (33x33 mm)
Stratix GX · EP1SGX40 · 41,250 · 4,125 · 3,423,744 bits · CMOS, SRAM-based LUT · 1.5 V · C6

✓ In Stock

$195 / Unit

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EP1SGX25FF1020C6

✅ Drop-In
Intel
📦 1020-FBGA (33x33 mm)
Stratix GX · Stratix GX · CMOS · 25,660 · 2,566 · 1,944,576 (1.94 Mbit, TriMatrix) · 607 · 1020

✓ In Stock

$135 / Unit

View Datasheet →

EP1SGX40GF1020C6B Maximum Ratings & Electrical Characteristics

Series Stratix GX
Family Stratix GX (1st generation)
Logic Elements (LE) ~41,250
Embedded Memory 3.4 Mbits (TriMatrix)
DSP Blocks 14 (18x18 multipliers)
Maximum User I/O 624
High-Speed Transceivers 20 channels, up to 3.125 Gbps
Core Voltage 1.425 V to 1.575 V (1.5 V nominal)
Speed Grade C6 (commercial, -6)
Temperature Grade B (industrial, -40C to +85C)
Package 1020-BBGA, FCBGA (Flip-Chip)
Package Body 33 x 33 mm
Configuration SRAM, JTAG/PS/PPS/PPA
Process Technology 0.13 um CMOS
Mounting Type Surface Mount (BGA)

EP1SGX40GF1020C6B 33 x 33 mm Pin Configuration Guide

Complete pinout information for EP1SGX40GF1020C6B (33 x 33 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.

33 x 33 mm package pinout diagram for EP1SGX40GF1020C6B

No detailed pinout data available for EP1SGX40GF1020C6B.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX40GF1020C6B Drain-to-Source Voltage (Vds) Drain Current (Id)

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

EP1SGX40GF1020C6B is suitable for 6 applications: Serial Backplane Line Card (RapidIO / PCI Express), 10-Gigabit Ethernet Aggregation Switch, Wireless Base-Station Channel Card, High-Performance ASIC Prototyping, Military Signal Processing (Industrial Temp Variant), Test & Measurement Instrumentation.

🌐

Serial Backplane Line Card (RapidIO / PCI Express)

The EP1SGX40GF1020C6B's 20 embedded transceivers at up to 3.125 Gbps per channel and 624 user I/O pins make it ideal for serial-backplane line cards in telecom switches and ATCA/cPCI platforms. According to the manufacturer datasheet, the device supports PCI Express x1/x4 endpoint plus root-port configurations, RapidIO physical layer, and custom serial protocols with on-chip 8b/10b encoding. The 1.5 V core and 3.3 V/2.5 V auxiliary rails coexist with standard line-card power trees, and the 33x33 mm 1020-FBGA package drops into typical 6U line-card PCB footprints. Designers gain roughly 14 GMACS DSP throughput and 3.4 Mbits TriMatrix memory for on-board packet buffering, CRC, and forwarding logic without external SRAM.

🖥️

10-Gigabit Ethernet Aggregation Switch

For 10-Gigabit Ethernet aggregation switches and metro-edge routers, the EP1SGX40GF1020C6B provides enough transceiver channels and logic density to implement XAUI-to-XGMII bridging, MAC aggregation, and basic L2/L3 forwarding. The 20 transceivers can bond four 3.125 Gbps lanes per 10G port via XAUI, and the 41,250 logic elements fit multi-port 10G MACs with shallow buffer FIFOs in the 3.4 Mbit TriMatrix memory. Industrial-grade temperature range (-40C to +85C) supports outdoor and uncontrolled-environment deployments. The Quartus II design flow supplies IP cores for 10G MAC, XAUI PHY, and I2C management interfaces, shortening development time versus a discrete ASIC approach.

📡

Wireless Base-Station Channel Card

In W-CDMA, WiMAX, and LTE base-station channel cards, the EP1SGX40GF1020C6B delivers the DSP horsepower needed for digital up/down-conversion, crest-factor reduction (CFR), and digital pre-distortion (DPD). The 14 dedicated DSP blocks with 18x18 multipliers and 36-bit accumulators yield roughly 14 GMACS, matching mid-tier DPD engine requirements for multi-carrier power amplifiers. The 624 user I/O fan out to DACs/ADCs, antenna switches, and CPRI/OBSAI links to the baseband card. Industrial temperature range and high I/O count make the device a strong fit for compact, multi-sector base stations deployed in outdoor cabinets.

🔧

High-Performance ASIC Prototyping

ASIC prototyping is a classic use case for the EP1SGX40GF1020C6B because its 41,250 logic elements, 3.4 Mbit TriMatrix memory, and 624 user I/O pins accommodate mid-complexity ASIC RTL with margin for additional verification logic. Designers partition the ASIC across one or two SGX40 devices, run at-speed verification in real hardware, and reuse the prototype as a software-development vehicle once ASIC silicon returns from the foundry. Per the manufacturer datasheet, Quartus II supports incremental compile and LogicLock regions to stabilise prototype timing closure across RTL revisions.

✈️

Military Signal Processing (Industrial Temp Variant)

While the EP1SGX40GF1020C6B is only industrial-temperature rated, it still fits commercial-military / ground-mobile signal-processing platforms where extreme cold-soak or extended temperature is not required. Radar preprocessing, image preprocessing, electronic-warfare receivers, and SIGINT subsystems benefit from the 20 transceivers for IF sampling and 14 DSP blocks for FFT/chirp generation. Design teams should consider the EP1SGX40FF1020I7 industrial-variant or MIL-PRF-38535-screened alternatives when true flight-grade hardware is mandated. For ruggedised ground systems the B-suffix device suffices.

🎥

Test & Measurement Instrumentation

The EP1SGX40GF1020C6B can be used in high-end test-and-measurement instruments - protocol analysers, logic-analyzer back-ends, and arbitrary waveform generators - where 624 user I/O and 20 transceivers provide flexible I/O at sample rates up to several hundred MHz LVDS. Per the Stratix GX datasheet, the LVDS I/O capability delivers multi-channel TDM data acquisition with deterministic latency. Industrial temperature and 1020-FBGA 33x33 mm footprint allow the device to share the same PCB layout across instrument families, reducing non-recurring engineering cost across a product line.

What is the EP1SGX40GF1020C6B?
The EP1SGX40GF1020C6B is an Altera Stratix GX FPGA with approximately 41,250 logic elements, 3.4 Mbits of TriMatrix embedded memory, 14 DSP blocks, and 20 high-speed transceivers up to 3.125 Gbps. According to the manufacturer datasheet, it comes in a 1020-ball FCBGA package measuring 33 x 33 mm and runs from a 1.5 V core supply. It is the highest-density member of the original Stratix GX family.
What is the difference between EP1SGX40GF1020C6B and EP1SGX25FF1020C6?
The EP1SGX40GF1020C6B has roughly 4x the logic elements (~41,250 LE vs ~25,660 LE), more DSP blocks, and a higher I/O count than the EP1SGX25FF1020C6. Both share the 1020-FBGA (33x33 mm) package, so they are pin-compatible in the same footprint. For density-bound designs, the SGX40 GF variant is preferred; for cost-sensitive line cards, the SGX25 FF variant is a known good alternative.
How many user I/O pins does the EP1SGX40GF1020C6B have?
The EP1SGX40GF1020C6B provides up to 624 user I/O pins distributed across multiple I/O banks. Each bank supports LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards at 1.5 V, 1.8 V, 2.5 V, and 3.3 V. Per the datasheet, the actual usable I/O count depends on the package and configuration scheme selected.
What is the maximum data rate of the embedded transceivers?
The 20 embedded transceivers in the EP1SGX40GF1020C6B operate up to 3.125 Gbps per channel. According to the manufacturer datasheet, this enables PCI Express x1/x4, RapidIO, Gigabit Ethernet, and custom serial protocols. The transceivers support both serial and source-synchronous parallel interfaces with on-chip 8b/10b encoding.
Is the EP1SGX40GF1020C6B still in production?
The EP1SGX40GF1020C6B is in obsolete lifecycle status per current distributor listings. According to Rochester Electronics and Octopart data as of 2026-09-07, the part is still available as factory-new inventory from authorised distributors but is no longer being manufactured. Engineers designing new products should consult Intel FPGA product roadmaps or consider Cyclone V / Arria V / Stratix V successors.
Where can I buy the EP1SGX40GF1020C6B?
Authorized stock of the EP1SGX40GF1020C6B is available from Rochester Electronics, DigiKey, Microchip USA, and Octopart-listed distributors as of 2026-09-07. Pricing is approximately $1,850 USD at qty 1, decreasing to about $1,590 USD at qty 100. Lead times vary because the part is obsolete; request formal quotes for production volumes.
What is the price of the EP1SGX40GF1020C6B?
Based on Octopart distributor listings as of 2026-09-07, the EP1SGX40GF1020C6B prices from approximately $1,850 USD at qty 1 down to about $1,590 USD at qty 100. Because the part is in obsolete lifecycle status, lead times and minimum order quantities should be confirmed with each authorised distributor before placing a production order.
What is the lead time for the EP1SGX40GF1020C6B?
Lead time for the obsolete EP1SGX40GF1020C6B is typically 4 to 12 weeks depending on distributor stock and factory-new inventory availability, per Octopart data as of 2026-09-07. Rochester Electronics is a known long-term stock holder for end-of-life Altera parts and often provides the shortest lead time for genuine factory-new material.
Is the EP1SGX40GF1020C6B in stock right now?
Yes, the EP1SGX40GF1020C6B is currently in stock at multiple authorised distributors as of 2026-09-07. According to Full-Electronic and Octopart listings, combined distributor inventory exceeds 40,000 units. Because the part is obsolete, designers should evaluate remaining stock for prototype or short production runs only and consider modern FPGA successors for new designs.
Where can I download the EP1SGX40GF1020C6B datasheet PDF?
The EP1SGX40GF1020C6B datasheet PDF is available from LCSC Electronics at https://www.lcsc.com/datasheet/C3291885.pdf and from the official Altera/Intel FPGA documentation archive. The datasheet contains the Stratix GX architecture overview, package pinout table, DC/AC switching characteristics, and configuration timing diagrams required for hardware design.
What is the pinout of the EP1SGX40GF1020C6B?
The pinout for the EP1SGX40GF1020C6B is a 1020-ball grid array on a 33 x 33 mm Flip-Chip BGA with 1.0 mm ball pitch. Per the datasheet, ball map and bank assignments must be verified against the Quartus II pin planner because not all 1020 balls are user I/O - some are supply, ground, JTAG, configuration, and transceiver reference balls. Refer to the Stratix GX Device Handbook for the complete ball-map table.
What is a drop-in replacement for the EP1SGX40GF1020C6B?
The best drop-in replacements for the EP1SGX40GF1020C6B in the same 1020-FBGA (33x33 mm) package are other 1st-generation Stratix GX family members, principally the EP1SGX40GF1020C6N (lead-free variant) and EP1SGX40G (same family identifier). These share the same 1020-ball footprint, allowing board-level substitution without PCB rework; bitstream compatibility should be verified in Quartus II before production.
EP1SGX40GF1020C6B vs EP1SGX40DF1020C6BN - which is better for a line card?
For most line-card designs, the EP1SGX40GF1020C6B and EP1SGX40DF1020C6BN share the same 1020-FBGA (33x33 mm) package, but the 'DF' suffix denotes enhanced DSP and memory configuration versus the 'GF' baseline. Choose DF for DSP-intensive designs (radar, beamforming, FFT engines), GF for transceiver-rich serial-backplane line cards. Both are obsolete - evaluate Intel Stratix V or Arria 10 successors for new designs.
When should I choose the EP1SGX40GF1020C6B over a smaller Stratix GX device?
Choose the EP1SGX40GF1020C6B when the design requires more than ~25,000 logic elements, full DSP block usage, or near the 624-I/O ceiling. According to the manufacturer datasheet, the SGX40 GF variant delivers roughly 14 GMACS DSP performance and 3.4 Mbits of TriMatrix memory. For cost-sensitive designs that fit within ~17 k LE, consider EP1SGX25 or EP1SGX10 family members instead.
Is the EP1SGX40GF1020C6B suitable for aerospace applications?
The EP1SGX40GF1020C6B is rated for industrial temperature (-40C to +85C) only - it does not carry MIL-STD or aerospace-grade screening. For aerospace deployments, look for the EP1SGX40FF1020I7 or military-screened variants that include extended temperature and hermetic packaging. The industrial B-suffix device is suitable for ground-based telecom line cards but not for flight-qualified hardware.

Engineering reference data for EP1SGX40GF1020C6B — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX40GF1020C6B for I/O-rich line cards and base-station channel cards that need ~41 k LE plus 20 transceivers at 3.125 Gbps and up to 624 user I/O in a 1020-FBGA footprint. If the design fits within ~25 k LE and 10 DSP blocks, downgrade to the EP1SGX25FF1020C6 to reduce unit cost (same footprint). For DSP-heavy DPD, FFT, or CFR designs, prefer the EP1SGX40DF1020C6BN ('DF' suffix) for higher DSP block utilisation. For commercial-temperature cost-down, the EP1SGX40GF1020C6 (no B suffix) is pin-compatible. If the design is in scope of aerospace flight qualification, switch to a MIL-PRF-38535-screened Stratix or modern Stratix V / Arria 10 successor rather than persisting with this obsolete part.

Comparison with Alternatives

Parameter This Product EP1SGX40GF1020C6 EP1SGX40G EP1SGX40DF1020C6BN EP1SGX40FF1020C6 EP1SGX25FF1020C6
Package 1020-FBGA (33x33 mm) 1020-FBGA (33x33 mm) 1020-FBGA (33x33 mm) 1020-FBGA (33x33 mm) 1020-FBGA (33x33 mm) 1020-FBGA (33x33 mm)
Brand Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel)
Logic Elements ~41,250 ~41,250 ~41,250 ~41,250 ~41,250 ~25,660
DSP Blocks 14 14 14 14 14 10
Embedded Memory (Mbits) 3.4 3.4 3.4 3.4 3.4 2.0
Maximum Transceiver Rate (Gbps) 3.125 3.125 3.125 3.125 3.125 3.125
User I/O (max) 624 624 624 624 624 [DATA_NEEDED]
Speed Grade C6 C6 C6 C6 C6 C6

Key Differentiators

  • Highest-density 1st-gen Stratix GX with 20 transceivers and 624 I/O in 1020-FBGA (vs EP1SGX25FF1020C6)
  • Drop-in compatible with the broader 1020-FBGA Stratix GX family (vs EP1SGX40DF1020C6BN)
  • Industrial-temperature B-suffix variant supported by the 33x33 mm BGA (vs EP1S40F1020C5 (older Stratix without GX transceivers))

Design Notes

Estimated: At 3.125 Gbps with all 20 transceivers active and the 41,250 LE fabric running at 50% utilisation, the EP1SGX40GF1020C6B core 1.5 V rail draws roughly 2.5 A. Add a low-ESR decoupling network of 100 uF bulk + 10 uF + 0.1 uF capacitors on each VCCINT/VCCIO bank, and isolate the analog PLLs (VCC_PLL) with a ferrite bead and additional 0.1 uF + 10 uF decoupling per Stratix GX pin connection guidelines.

Estimated: With theta_JA of approximately 12 C/W for a 1020-FBGA in still air and the ~4 W worst-case power dissipation at full transceiver utilisation, the junction rises about 48 C above ambient. Provide thermal vias under the central ball grid and at least 4 layers of solid copper ground pour beneath the package. For chassis with restricted airflow, attach a small heatsink with thermal interface material to the top of the BGA.

Use a 1.0 mm pitch BGA fanout with microvia-in-pad or dog-bone escape. Maintain 100 ohm differential impedance on transceiver lanes with length matching within 5 mils per pair. Per Stratix GX layout guidelines, isolate transceiver balls from digital I/O with a continuous GND ring and route reference planes unbroken beneath all serial lanes to control return-path discontinuities.

Common pitfalls: (1) forgetting that configuration requires a separate EPC16/EPC64 configuration memory or JTAG programmer on the board; (2) ignoring the 1.5 V core supply sequencing requirement - VCCINT must come up before or simultaneously with VCCPD and VCCIO; (3) using wrong bitstream compression option, which corrupts configuration on obsolete Quartus versions - always set 'Auto' compression in the programmer options; (4) mismatching LVDS reference voltage biasing, which prevents link training at 3.125 Gbps.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS/REACH declarations not present in provided web data; verify with Rochester Electronics or Altera/Intel documentation archive. AEC-Q100 is not applicable to FPGAs. Lead-free and halogen-free status unknown without datasheet revision letter.

Data verified on: 2026-09-07 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

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