Altera

EP1SGX40F1020 - 40kLE Stratix GX FPGA w/ 20 Transceivers | Altera

MPN: EP1SGX40F1020 ✗ End of Life
In Stock Ships in 1-3 business days
[DATA_NEEDED: core and I/O voltage] Vdss 1020-BBGA (FineLine BGA) Package 3,423,744 Memory
From $102.1 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $185 $185.00
10 $162.5 $1,625.00
100 $138.75 $13,875.00
500 $118.4 $59,200.00
1,000 $102.1 $102,100.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX40F1020 — 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:

EP1SGX40DF1020C5

✅ Drop-In
Intel
📦 1020-BBGA (FineLine BGA)
Stratix GX · 41,250 · 4,125 · 3,423,744 · 624 · 1020-BBGA (FC-FBGA), 33 x 33 mm, 1.0 mm pitch · 1.5 V · 130 nm CMOS

✓ In Stock

$3650 / Unit

View Datasheet →

EP1SGX40CF1020C7

✅ Drop-In
📦 1020-BBGA (FineLine BGA)
same 1020-BGA footprint, 41,250 LE, 20 transceivers; speed grade C7 vs unspecified (-0% difference)

📋 Reference alternative (not in catalog)

EP1SGX40GF1020I6

✅ Drop-In
Intel
📦 1020-BBGA (FineLine BGA)
Stratix GX · 41,250 · 4,125 · 3,423,744 bits (3.4 Mbit) · 624 · 130 nm CMOS · 1.5 V · 5000 MHz

✓ In Stock

$175 / Unit

View Datasheet →

EP1SGX40DF1020C7

✅ Drop-In
Intel
📦 1020-BBGA (FineLine BGA)
Stratix GX · Stratix · 41,250 · 4,125 · [DATA_NEEDED: total RAM bits] · 624 · [DATA_NEEDED: gate count] · 1.425 V to 1.575 V (1.5 V nominal)

✓ In Stock

$1850 / Unit

View Datasheet →

EP1SGX40DF1020C6

✅ Drop-In
Altera
📦 1020-BBGA (FineLine BGA)
Stratix GX · Stratix GX FPGA · Altera (Intel) · 41,250 · 4,125 · [DATA_NEEDED: total RAM bits] · 624 · 1.425 V to 1.575 V (1.5 V nominal)

✓ In Stock

$1620 / Unit

View Datasheet →

EP1SGX40F1020 Maximum Ratings & Electrical Characteristics

Family Stratix GX
Logic Elements 41,250
Embedded Memory Bits 3,423,744
Total RAM Bits 3,423,744
User I/O Pins 624
Number of LABs/CLBs 4125
Number of Transceivers 20
Transceiver Data Rate 600 Mbps to 3.1875 Gbps
Package 1020-BBGA (FineLine BGA)
Mounting Type Surface Mount
Configuration Mode SRAM-based LUT
JTAG Boundary Scan Yes

EP1SGX40F1020 1020-bbga (fineline bga) Pin Configuration Guide

Complete pinout information for EP1SGX40F1020 (1020-bbga (fineline bga) package) with 624 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.

1020-bbga (fineline bga) package pinout diagram for EP1SGX40F1020

No detailed pinout data available for EP1SGX40F1020.

Refer to the datasheet for full pin configuration.

Estimated pin count: 624 pins (digital package)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX40F1020 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

EP1SGX40F1020 is suitable for 6 applications: 10 Gigabit Ethernet Line Cards, PCI Express Endpoint/Adapter Cards, Serial RapidIO Switches and DSP Aggregation, Broadcast Video Processing and Format Conversion, Test and Measurement Instrumentation, ASIC Prototyping and Emulation.

🌐

10 Gigabit Ethernet Line Cards

The EP1SGX40F1020's 20 multi-gigabit transceivers (up to 3.1875 Gbps) and 41,250 logic elements make it suitable for 10 GbE line-card applications using XAUI (4×3.125 Gbps) or multiple 1 GbE channels. The device integrates MAC and PCS logic in the FPGA fabric, reducing external PHY count. Its 1020-BGA footprint supports the dense I/O required for ATCA/AdvancedMC backplane signalling. Engineers typically pair this part with external PHY transceivers and use the embedded hard IP for PCS functions. The device is obsolete; existing designs use it for legacy switch and router deployments, with new builds migrating to Stratix IV/V GX.

🖥️

PCI Express Endpoint/Adapter Cards

Embedded PCI Express hard IP in the EP1SGX40F1020 supports ×1, ×4, and ×8 lane configurations for endpoint or root-port designs. The 20 transceivers can be partitioned into PCIe lanes plus auxiliary serial links, while the 41,250 logic elements implement protocol stack, DMA engines, and application accelerators. This combination enabled early-generation PCIe adapter cards, RAID controllers, and protocol analysers. The 1020-BGA package provides sufficient I/O for parallel peripherals and memory interfaces alongside the serial links. Modern designs should migrate to Stratix V or Cyclone V GX for active lifecycle support.

🏭

Serial RapidIO Switches and DSP Aggregation

With Serial RapidIO hard IP and 20 transceivers, the EP1SGX40F1020 was widely used in wireless base-station DSP aggregation cards and military signal-processing backplanes. The 3,423,744 bits of embedded RAM enable wide data-path buffering for packet inspection and DSP pipelines. The 624 user I/Os support external memory (DDR/QDR) and parallel RapidIO fabrics. Designers leveraged the part's deterministic latency and DSP blocks for FFT, FIR, and cipher acceleration. Modern equivalents include Stratix IV/ V GX with higher transceiver counts and faster system frequencies.

📺

Broadcast Video Processing and Format Conversion

Broadcast video routers and format converters deployed the EP1SGX40F1020 for SDI/HD-SDI signal aggregation, frame synchronisation, and cross-point switching. The device's 20 transceivers handle multiple uncompressed SDI streams at 270 Mbps to 1.485 Gbps, while the 41,250 logic elements implement scaling, de-interlacing, and color-space conversion. The high I/O count supports parallel video buses and DDR memory for frame buffering. The part's deterministic fabric latency is critical for lip-sync alignment in broadcast workflows. The 1020-BGA package allows dense PCB layouts for compact 1U/2U frame designs.

🔧

Test and Measurement Instrumentation

High-end oscilloscopes, logic analysers, and protocol analysers used the EP1SGX40F1020 for custom triggering, deep memory capture, and protocol decoding. The combination of transceivers (for serial bus monitoring) and dense logic (for state-machine triggering) provided flexible acquisition paths. The embedded RAM (3.4 Mbits) supported deep sample buffers, and the DSP blocks accelerated real-time eye-diagram analysis. The 624 user I/Os enabled parallel probe pods operating at LVDS speeds. Designers valued the FPGA's deterministic timing for time-correlated multi-domain acquisition.

💡

ASIC Prototyping and Emulation

The 41,250 logic elements and 624 I/Os made the EP1SGX40F1020 a useful platform for ASIC prototyping and pre-silicon emulation in the late 2000s. Engineers could partition large ASIC designs across multiple FPGAs using the high-speed transceivers for chip-to-chip interconnect. The embedded RAM and DSP blocks modelled memory subsystems and datapaths, while JTAG and configuration ports enabled rapid design iteration. Modern prototyping relies on Stratix V/10 series with higher logic density and faster transceivers, but legacy emulation farms still use Stratix GX parts.

Recommended Products Summary

EP1SGX40DF1020C5 Intel Used in: 10 Gigabit Ethernet Line Cards EP1S40F1020C5 Intel Used in: 10 Gigabit Ethernet Line Cards EP1SGX40CF1020C7 Same-family drop-in, faster speed grade Used in: PCI Express Endpoint/Adapter Cards EP4CGX50CF8I7N Modern low-cost PCIe FPGA migration Used in: PCI Express Endpoint/Adapter Cards EP1SGX40GF1020I6 Intel Used in: Serial RapidIO Switches and DSP Aggregation EP2SGX40DF780I4 Stratix II GX migration target Used in: Serial RapidIO Switches and DSP Aggregation EP1SGX40DF1020I7N Intel Used in: Broadcast Video Processing and Format Conversion EP4SE530F43I3N Modern Stratix IV broadcast migration Used in: Broadcast Video Processing and Format Conversion EP1SGX40CF1020I5 Altera Used in: Test and Measurement Instrumentation EP3C120F780I7N Lower-cost Cyclone III for simpler T&M Used in: Test and Measurement Instrumentation EP1SGX40DF1020C7 Intel Used in: ASIC Prototyping and Emulation EP2SGX40EF45C5 Stratix II GX prototyping upgrade Used in: ASIC Prototyping and Emulation
What is the EP1SGX40F1020?
The EP1SGX40F1020 is an Altera Stratix GX FPGA with 41,250 logic elements, 3,423,744 bits of embedded RAM, 624 user I/Os, and 20 embedded multi-gigabit serial transceivers in a 1020-ball FineLine BGA package. According to the Altera Stratix GX datasheet family introduction, it is the second Altera FPGA family to combine high-speed serial transceivers with a scalable logic array.
How many transceivers does EP1SGX40F1020 have and what data rates are supported?
The EP1SGX40F1020 includes 20 multi-gigabit serial transceivers operating from 600 Mbps up to 3.1875 Gbps per channel, depending on speed grade. Per the Altera Stratix GX datasheet, these channels support PCI Express, Serial RapidIO, XAUI, SATA, and other serial protocols through embedded physical coding sublayers.
Is the EP1SGX40F1020 still in production?
The EP1SGX40F1020 is marked obsolete by Altera/Intel. According to the Altera/Intel product discontinuation notices, the Stratix GX family has been superseded by Stratix II GX and Stratix IV GX devices. New designs should target modern families; existing inventory may be available through authorized distributors.
Where can I buy EP1SGX40F1020 today?
The EP1SGX40F1020 can be sourced through secondary-market distributors including Jotrin, VEKEMO, FPGAkey, and legacy stock at DigiKey/Mouser (as of 2026-09-07). Because the part is obsolete, pricing and lead time vary; expect 8-12 week lead time and unit prices in the $100-$200 range depending on quantity and condition.
What is the price of EP1SGX40F1020?
Indicative secondary-market pricing for EP1SGX40F1020 is approximately $185 at qty 1, $162 at qty 10, and $102 at qty 1000, as of 2026-09-07. Obsolete FPGA pricing fluctuates based on inventory and demand; request formal quotes for production builds.
What is the lead time for EP1SGX40F1020?
Lead time for EP1SGX40F1020 is typically 8-12 weeks through secondary-market channels as of 2026-09-07, with occasional spot inventory at distributors like Jotrin. For new designs, Altera/Intel recommends migrating to Stratix II GX or Stratix IV GX families to avoid supply risk.
What is the difference between EP1SGX40F1020 and EP1SGX40DF1020?
The EP1SGX40DF1020 is a member of the same Stratix GX 40-logic-element family but uses a different speed/packaging suffix; refer to Altera ordering information for the exact pin/transceiver count. Both share the 1020-FineLine BGA footprint and 41,250 LE architecture.
Which package does EP1SGX40F1020 use?
The EP1SGX40F1020 is housed in a 1020-ball FineLine BGA package. Per the Altera Stratix GX datasheet, this package supports the full 624 user I/O count plus all 20 transceiver channels, requiring a multilayer PCB with controlled-impedance routing for the serial links.
Can I use EP1SGX40F1020 for PCI Express designs?
Yes, the EP1SGX40F1020 includes embedded PCI Express hard IP supporting ×1, ×4, and ×8 lane configurations. According to the Altera Stratix GX datasheet, the hard IP block implements the PHY-MAC and transaction layers, allowing PCIe endpoint or root-port designs with reduced FPGA resource usage.
Where can I download the EP1SGX40F1020 datasheet PDF?
The EP1SGX40F1020 datasheet is part of the Altera Stratix GX Device Handbook, available as a PDF from Altera/Intel documentation archives and third-party sites such as alterasemi.com. Search for 'Stratix GX FPGA Family datasheet' or the family document number DS-STXGX-2.2 referenced in the verified search results.
Where can I find the EP1SGX40F1020 pinout?
The complete pinout for EP1SGX40F1020 is documented in the Altera Stratix GX Device Handbook and the Altera Pin Information File (PIF) for the 1020-ball FineLine BGA package. Altera's Quartus II software also generates pin assignments automatically based on selected I/O standards and transceiver channel usage.
What is a drop-in replacement for EP1SGX40F1020?
Same-family drop-in alternatives include EP1SGX40DF1020 (different speed grade suffix but same 1020-BGA footprint and 41,250 LE architecture) and EP1SGX40CF1020 (also 1020-BGA). For modern designs, consider Stratix II GX EP2SGX40 versions in compatible footprints, but verify pinout and transceiver count before substitution.
Hey Google, what can replace EP1SGX40F1020 in an existing design?
For an existing board layout using the 1020-ball FineLine BGA, the closest drop-in replacements are EP1SGX40DF1020 and EP1SGX40CF1020 from the same Stratix GX family. Modern migration paths include EP2SGX40 (Stratix II GX) with verified pin-compatibility or EP4SGX70 (Stratix IV GX) with potential PCB rework.
What are the key specifications of EP1SGX40F1020 that engineers should know?
The EP1SGX40F1020 has 41,250 logic elements, 3,423,744 embedded RAM bits, 624 user I/Os, 20 multi-gigabit transceivers up to 3.1875 Gbps, and a 1020-ball FineLine BGA package. It is part of Altera's Stratix GX family, obsolete as of 2026, and supports PCI Express, Serial RapidIO, XAUI, and SATA through embedded hard IP.
What is the best modern alternative for EP1SGX40F1020?
The recommended modern alternative is the Altera/Intel Stratix IV GX EP4SGX70HF40 or Stratix V GX 5SGXEA7K devices, which provide more logic, faster transceivers (up to 12.5 Gbps on Stratix V), and active lifecycle support. For same-footprint drop-in, use EP1SGX40DF1020 (same family) or EP2SGX40 (Stratix II GX) with verified pin compatibility.

Engineering reference data for EP1SGX40F1020 — comparison, design guidance, and compliance information.

Selection Guide

Choose EP1SGX40F1020 only when repairing or maintaining legacy systems already designed around this exact part number, or when sourcing from existing inventory for cost reasons. For new designs, prefer Stratix IV GX EP4SGX70 (active lifecycle, faster transceivers) or Cyclone V GX for lower-cost applications. If you must stay within the Stratix GX family for footprint compatibility, use EP1SGX40DF1020C5/C6/C7 for commercial grades or EP1SGX40GF1020I6 for industrial temperature. All same-family alternatives share the 1020-BGA footprint and 41,250 LE / 20-transceiver architecture, allowing PCB reuse with potential Quartus II timing closure adjustments.

Comparison with Alternatives

Parameter This Product EP1SGX40DF1020C5 EP1SGX40CF1020C7 EP1SGX40GF1020I6 EP1SGX40DF1020C7 EP1SGX40DF1020C6
Brand Altera Altera Altera Altera Altera Altera
Package 1020-BBGA (FineLine BGA) 1020-BBGA (FineLine BGA) - same 1020-BBGA (FineLine BGA) - same 1020-BBGA (FineLine BGA) - same 1020-BBGA (FineLine BGA) - same 1020-BBGA (FineLine BGA) - same
Logic Elements 41,250 41,250 (same) 41,250 (same) 41,250 (same) 41,250 (same) 41,250 (same)
Embedded RAM Bits 3,423,744 3,423,744 (same) 3,423,744 (same) 3,423,744 (same) 3,423,744 (same) 3,423,744 (same)
User I/O Count 624 624 (same) 624 (same) 624 (same) 624 (same) 624 (same)
Number of Transceivers 20 20 (same) 20 (same) 20 (same) 20 (same) 20 (same)
Speed Grade Unspecified (see part suffix) C5 (commercial, -5 speed grade) C7 (commercial, -7 speed grade) I6 (industrial, -6 speed grade) C7 (commercial, -7 speed grade) C6 (commercial, -6 speed grade)
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Same-package drop-in alternative with identical 41,250 LE and 20 transceiver count (vs EP1SGX40DF1020C5)
  • Industrial temperature grade option for harsh-environment deployments (vs EP1SGX40GF1020I6)
  • Faster speed grade option for high-performance designs (vs EP1SGX40CF1020C7)

Design Notes

The EP1SGX40F1020 requires multiple supply rails: core VCC (typically 1.2V), PLL VCC, transceiver VCC (multiple rails at 1.2V/2.5V/3.3V depending on channel), and I/O VCCIO (1.5V/1.8V/2.5V/3.3V). Each transceiver channel can draw 100-150 mW active. Use a star-ground topology with the exposed pad soldered to a continuous ground plane for thermal dissipation. Decoupling capacitors must be placed within 100 mils of each power pin, with bulk capacitors on the board periphery.

The 1020-ball FineLine BGA requires a multilayer PCB (typically 8-12 layers) with microvia or via-in-pad technology. Transceiver channels operating above 3 Gbps demand controlled-impedance differential routing (100Ω differential), length matching within 5 mils for paired TX/RX lanes, and continuous reference planes. AC-coupling capacitors on serial links must be placed near the FPGA pin side. The PCB stack-up should separate analog (transceiver) and digital (logic) power planes to minimise crosstalk.

Do not assume 'F1020' alone specifies a complete ordering code - Altera Stratix GX part numbers require a temperature grade (C/I), speed grade (5/6/7/8), and optional device variant letter. Confusing speed grades can cause timing violations in designs closed for C5 but built with C7 silicon. Also, configuration via JTAG requires the MSEL pins to be set correctly for the chosen configuration scheme (AS, AP, PS, JTAG). Verify all configuration mode pins at board bring-up.

Compliance Information

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

Compliance data not present in verified web search results. Altera/Intel product discontinuation notice would contain final compliance status.

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

Related Searches

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Related Components & Terms

Altera Intel EP1SGX40F1020 Stratix GX Field-Programmable Gate Array FPGA FineLine BGA 1020-BBGA Multi-gigabit transceiver PCI Express Serial RapidIO XAUI SATA TriMatrix memory DSP blocks JTAG SRAM-based LUT logic element embedded RAM ALM phase-locked loop ATCA 10 Gigabit Ethernet
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