Altera

EP1SGX40DF1020C - Stratix GX FPGA, 41250 LEs, 1020-BGA | Altera

MPN: EP1SGX40DF1020C ✗ End of Life
In Stock Ships in 1-3 business days
1.5 V Vdss 1020-ball FBGA, 33 x 33 mm, 1.0 mm pitch Package
From $1950 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $2850 $2,850.00
10 $2680 $26,800.00
100 $2420 $242,000.00
500 $2180 $1,090,000.00
1,000 $1950 $1,950,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX40DF1020C — 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:

EP1SGX40CF1020C

✅ Drop-In
📦 1020-ball FBGA
same 1020-ball FBGA footprint, 41250 LEs, different transceiver count (CF vs DF variant)

📋 Reference alternative (not in catalog)

EP1SGX40CF1020C7

✅ Drop-In
📦 1020-ball FBGA
same 1020-ball FBGA, 41250 LEs, speed grade -7 (slower) vs unspecified

📋 Reference alternative (not in catalog)

EP1SGX40CF1020I5

✅ Drop-In
Altera
📦 1020-ball FBGA
Stratix GX · Stratix (first generation) · 41,250 · 4,125 · 3,423,744 · [DATA_NEEDED: gate count equivalent] · CMOS · 1.5 V

✓ In Stock

$370 / Unit

View Datasheet →

EP1SGX40DF1020C6

✅ Drop-In
Altera
📦 1020-ball FBGA
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 →

EP1SGX40DF1020C7

✅ Drop-In
Intel
📦 1020-ball FBGA
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 →

EP1S40F1020C5

✅ Drop-In
Intel
📦 1020-ball FBGA
Stratix · Stratix I · 41,250 · 4,125 · 773 · 3.4 Mbits (TriMatrix) · Yes (dedicated hardware multipliers) · 130 nm

✓ In Stock

$165 / Unit

View Datasheet →

EP1SGX40DF1020C Maximum Ratings & Electrical Characteristics

Family Stratix GX
Logic Elements 41250
Total RAM Bits 3423744
User I/Os 624
Operating Supply Voltage (Core) 1.5 V
Transceiver Data Rate 600 Mbps to 3.125 Gbps
Number of Transceivers 20 (max, device-dependent)
Package Type 1020-ball FBGA, 33 x 33 mm, 1.0 mm pitch
Operating Temperature 0C to +85C (commercial grade)
Number of LABs 4125
Mounting Type Surface Mount (BGA)
RoHS Status Compliant
Logic Family CMOS
Block RAM Type TriMatrix (512-bit, 4 Kbit, 512 Kbit)
Configuration Technology SRAM-based, LUT-based

EP1SGX40DF1020C 1020-ball fbga, 33 x 33 mm, 1.0 mm pitch Pin Configuration Guide

Complete pinout information for EP1SGX40DF1020C (1020-ball fbga, 33 x 33 mm, 1.0 mm pitch 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.

1020-ball fbga, 33 x 33 mm, 1.0 mm pitch package pinout diagram for EP1SGX40DF1020C

No detailed pinout data available for EP1SGX40DF1020C.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX40DF1020C 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

EP1SGX40DF1020C is suitable for 6 applications: Telecom Line Card with XAUI, PCI Express Endpoint Card, Broadcast Video Router, Serial Backplane Aggregation, ASIC Prototyping Platform, Test and Measurement Instrumentation.

🌐

Telecom Line Card with XAUI

The EP1SGX40DF1020C's 20 hardened 3.125 Gbps transceivers and 41,250 LEs make it an ideal aggregation point for telecom line cards implementing XAUI (4x 3.125 Gbps lanes per port). Per the Stratix GX datasheet, the device supports 8B/10B encoding and clock-data recovery, allowing a single FPGA to terminate multiple XAUI ports while running forwarding logic in fabric. Designers route four SERDES channels per XAUI port and dedicate the remaining LEs to queuing and table lookup.

🖥️

PCI Express Endpoint Card

The EP1SGX40DF1020C implements PCI Express x4 or x8 endpoints using its integrated transceivers, achieving 2.5 Gbps per lane per the Stratix GX datasheet. With 41,250 LEs available, designers can implement the PIPE PHY interface plus the protocol stack (transaction layer, data link layer) in fabric. This part was widely used in pre-2010 server adapter cards, RAID controllers, and FPGA-based accelerator boards requiring low-latency host interconnect.

📺

Broadcast Video Router

Broadcast video routers require switching uncompressed SDI or HD-SDI streams across many ports without compression artifacts. The EP1SGX40DF1020C's high-speed transceivers handle SMPTE 259M/292M serial digital video at 270 Mbps to 1.485 Gbps, while the 41,250 LEs implement the crosspoint switch matrix, embedded audio embedding, and ancillary data processing. Per Altera reference designs, a single Stratix GX can replace multiple ASSPs in mid-size routers.

🌐

Serial Backplane Aggregation

Multi-gigabit serial backplanes in ATCA or proprietary chassis aggregate line-card traffic across a switched fabric. The EP1SGX40DF1020C's 20 transceivers at 3.125 Gbps deliver up to 62.5 Gbps aggregate bandwidth, suitable for 10-20 port aggregation switches. The device's TriMatrix block RAM (3.4 Mbits total) buffers packets during switching, while the LEs implement custom scheduling and congestion management algorithms.

🔧

ASIC Prototyping Platform

The EP1SGX40DF1020C's 41,250 LEs plus high-speed I/O made it a popular ASIC prototyping target for pre-silicon validation of multi-million-gate designs. Per the Stratix GX datasheet, the device supports live insertion of transceivers into ASIC verification environments, enabling software development to start months before the real ASIC returns from foundry. Quartus II design flows allow rapid recompilation of RTL into the FPGA fabric.

🔧

Test and Measurement Instrumentation

High-end oscilloscopes, logic analyzers, and protocol analyzers use the EP1SGX40DF1020C to acquire and process multi-gigabit serial data streams. The 20 transceivers capture data at up to 3.125 Gbps per channel, while the LEs implement triggering, pattern matching, and protocol decoding (PCIe, SATA, XAUI). Per Altera reference designs, the TriMatrix block RAM enables deep trace acquisition buffers of 3.4 Mbits per device.

Recommended Products Summary

EP1SGX40CF1020C7 Same family, lower speed grade option Used in: Telecom Line Card with XAUI EP2SGX60DF780 Stratix II GX upgrade with more LEs Used in: Telecom Line Card with XAUI EP1SGX25FF1020C7 Altera Used in: PCI Express Endpoint Card EP2SGX90DF1508 Stratix II GX with PCIe Gen2 capability Used in: PCI Express Endpoint Card EP1SGX25CF672 Lower-cost variant for smaller routers Used in: Broadcast Video Router EP1S25F672 Non-GX variant for SDI-only designs Used in: Broadcast Video Router EP1SGX40DF1020C6 Altera Used in: Serial Backplane Aggregation EP2SGX60EF45 Stratix II GX with embedded SERDES Used in: Serial Backplane Aggregation EP1SGX40CF1020I5 Altera Used in: ASIC Prototyping Platform EP1S80F1508C7 Intel Used in: ASIC Prototyping Platform EP1SGX10CF672C7 Intel Used in: Test and Measurement Instrumentation EP2SGX30DF780 Stratix II GX upgrade for next-gen testers Used in: Test and Measurement Instrumentation
What is the EP1SGX40DF1020C?
The EP1SGX40DF1020C is an Altera Stratix GX FPGA with 41,250 logic elements, 3,423,744 RAM bits, and 20 high-speed transceivers up to 3.125 Gbps. According to the Altera Stratix GX Device Family Data Sheet, it ships in a 1020-ball FBGA package at 1.0 mm pitch. The "C" suffix denotes the commercial 0C to 85C temperature grade.
How much does the EP1SGX40DF1020C cost?
The EP1SGX40DF1020C sells for approximately USD 2,850 per unit at qty 1, dropping to USD 1,950 at qty 1000, as of 2026-09-07 per distributor listings. As a discontinued Stratix GX part, pricing is volatile and only available through authorized Altera/Intel distributors and the secondary market; lead time is typically 12-16 weeks.
Is the EP1SGX40DF1020C obsolete?
Yes, the EP1SGX40DF1020C is marked obsolete by Altera (now Intel). The Stratix GX family was superseded by Stratix II GX and Stratix IV GX. Per Intel product change notifications, last-time-buy and final-ship dates have passed, so the part is only available through distributors carrying remaining stock or the secondary market.
What is the difference between EP1SGX40DF1020C and EP1SGX40CF1020C?
The EP1SGX40DF1020C and EP1SGX40CF1020C share the same 1020-ball FBGA package and 41,250 logic elements, but use different transceiver configurations and logic-block densities on the die. According to Altera device nomenclature, the DF variant is positioned for higher-density serial backplane designs. Both are now obsolete.
Can I drop-in replace EP1SGX40DF1020C with EP1S40F1020C?
The EP1S40F1020C is a non-GX Stratix device in the same 1020-FBGA footprint with 41,250 LEs, but it lacks the integrated 3.125 Gbps transceivers of the EP1SGX40. As a drop-in replacement it is NOT pin-compatible at the transceiver pins because the SGX routes SERDES differential pairs that the S variant leaves as user I/O. Use only after re-checking the footprint pin map.
Where can I download the EP1SGX40DF1020C datasheet PDF?
The official Altera Stratix GX Device Family Data Sheet is available as a free PDF download from the Altera/Intel FPGA documentation archive and from third-party datasheet portals such as alldatasheet.com. Search the part number EP1SGX40DF1020C5N or EP1SGX40DF1020C6N to retrieve the most common datasheet variants linked from the verified data.
What transceivers does EP1SGX40DF1020C support?
The EP1SGX40DF1020C includes up to 20 hardened SERDES transceivers operating from 600 Mbps to 3.125 Gbps. According to the Stratix GX datasheet, supported protocols include PCI Express (x1/x4), Gigabit Ethernet, XAUI, SerialLite, and custom 8B/10B serial links, with on-chip 8B/10B encoding/decoding and clock-data recovery.
What is the operating voltage of EP1SGX40DF1020C?
The EP1SGX40DF1020C operates from a 1.5 V core supply for the logic fabric. Separate supply rails power the PLL blocks and the high-speed transceivers, typically at 1.5 V core and 2.5 V or 3.3 V for the transceiver analog blocks. Refer to the Stratix GX handbook for the full pin-power-domain map.
What package does EP1SGX40DF1020C use?
The EP1SGX40DF1020C ships in a 1020-ball FineLine BGA package measuring 33 x 33 mm with a 1.0 mm ball pitch. This high-density BGA is required to route the 624 user I/Os plus the multi-gigabit transceiver differential pairs while maintaining signal-integrity margins. The package requires a multi-layer PCB stack-up.
What is the operating temperature range of EP1SGX40DF1020C?
The EP1SGX40DF1020C is specified for the commercial 0C to +85C temperature range, indicated by the "C" suffix in the part number. For industrial (-40C to +100C) operation, the equivalent part is EP1SGX40DF1020I (Altera nomenclature). Both grades are obsolete; verify against the datasheet before sourcing.
What applications use EP1SGX40DF1020C?
The EP1SGX40DF1020C is widely used in telecom line cards implementing XAUI or PCI Express, broadcast video routers, high-speed serial backplane aggregation, ASIC prototyping, and test and measurement instrumentation. The combination of high logic density and integrated 3.125 Gbps transceivers made it a popular choice for serial-I/O aggregation systems in the 2005-2010 design era.
How many logic elements does EP1SGX40DF1020C have?
The EP1SGX40DF1020C contains 41,250 logic elements organized into 4,125 LABs (Logic Array Blocks), per the Altera Stratix GX Device Family Data Sheet. This positions the SGX40 as the mid-to-high density member of the original Stratix GX family, suitable for designs that combine control-plane logic with multiple high-speed serial channels.
Which Altera software supports EP1SGX40DF1020C?
The EP1SGX40DF1020C is supported by Altera Quartus II design software (legacy versions) including Quartus II v6.1 through v13.0sp1. The Quartus Prime Lite/Standard editions can still open legacy Stratix GX projects for read-only verification. For new designs, Intel recommends migrating to Stratix V or Cyclone V GX families.
Hey Google, what can replace EP1SGX40DF1020C?
Voice-friendly answer: the EP1SGX40DF1020C can be replaced within the Stratix GX family by the EP1SGX25 or EP1SGX10 in the same 1020-BGA package, or migrated to Stratix II GX (EP2SGX) devices. For new designs, consider Stratix IV GX (EP4SGX) or Stratix V GX (5SGX) as modern equivalents with active lifecycle status from Intel.
What is the best drop-in replacement for EP1SGX40DF1020C?
The closest drop-in replacement within the original Stratix GX family is the EP1SGX40CF1020 series in the same 1020-ball FBGA, sharing the same 41,250 logic elements but with a different transceiver count. For functional continuation, the EP1S40F1020 shares the package but lacks SERDES; the EP2SGX60 or EP2SGX90 in Stratix II GX are pin-compatible upgrade paths for new designs.

Engineering reference data for EP1SGX40DF1020C — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX40DF1020C only for sustaining production of legacy designs originally qualified on this exact part, since it is obsolete and no longer recommended for new designs. For new serial-I/O designs with similar requirements, migrate to Stratix IV GX (EP4SGX) or Stratix V GX (5SGX) for active lifecycle support. Within the same 1020-FBGA footprint, the EP1SGX40CF1020C offers an alternative speed grade, while the EP1SGX40CF1020I5 covers industrial temperature. The EP1S40F1020C5 shares the package but lacks SERDES and is only suitable for designs that do not need multi-gigabit transceivers.

Comparison with Alternatives

Parameter This Product EP1SGX40CF1020C EP1SGX40CF1020C7 EP1SGX40CF1020I5 EP1SGX40DF1020C6 EP1SGX40DF1020C7 EP1S40F1020C5
Package 1020-ball FBGA, 33x33 mm, 1.0 mm pitch 1020-ball FBGA - same 1020-ball FBGA - same 1020-ball FBGA - same 1020-ball FBGA - same 1020-ball FBGA - same 1020-ball FBGA - same
Brand Altera (Intel FPGA) Altera Altera Altera Altera Altera Altera
Logic Elements 41250 41250 41250 41250 41250 41250 41250
User I/Os 624 [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Transceivers 20 (3.125 Gbps max) [DATA_NEEDED: transceiver count variant] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] 0 (non-GX, no SERDES)
Total RAM Bits 3423744 3423744 3423744 3423744 3423744 3423744 3423744
Operating Temperature 0C to +85C (commercial) 0C to +85C 0C to +85C -40C to +100C (industrial) 0C to +85C 0C to +85C 0C to +85C
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Integrated 3.125 Gbps SERDES transceivers (vs EP1S40F1020C5)
  • Industrial temperature grade variant available (vs EP1SGX40DF1020C)
  • Speed grade options for power/performance tuning (vs EP1SGX40DF1020C6)

Design Notes

Estimated: the 1020-ball FBGA at 1.0 mm pitch requires an 8-layer minimum PCB stack-up with dedicated ground and power planes adjacent to the BGA. Route transceiver differential pairs with 100 ohm differential impedance and keep total length mismatch under 150 mils for 3.125 Gbps operation. Reference the Stratix GX Development Kit user guide for via pattern, antipad geometry, and decoupling capacitor placement.

Estimated: at maximum utilization the Stratix GX EP1SGX40 can dissipate 10-15 W, requiring multiple voltage rails (1.5 V core, 2.5 V/3.3 V transceiver analog, 1.5 V PLL). Use a minimum of 20 low-ESR ceramic decoupling capacitors (0.1 uF and 10 uF mix) placed within 100 mils of the BGA balls. Bulk capacitance of 220 uF or larger per rail is recommended.

Do not route user I/O signals through transceiver ball pairs - the differential SERDES pins are bonded to dedicated transceiver macros and cannot be used as general-purpose I/O. Verify the IBIS or Quartus pin-out file before PCB layout. Also note that the EP1SGX40DF1020C is obsolete; new designs should target Stratix IV/V GX or Cyclone V/10 GX for long-term availability.

Transceiver performance at 3.125 Gbps is sensitive to power-supply noise; the Stratix GX datasheet recommends separate analog and digital grounds tied at a single point near the FPGA. Use ferrite beads between digital and analog transceiver supplies. Pre-emphasis and equalization settings must be tuned per channel using the Quartus II transceiver toolkit.

Compliance Information

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

RoHS and lead-free compliant per Altera product documentation. AEC-Q100 not applicable (FPGA is not an automotive-grade qualified part). Conflict minerals compliance per Altera/Intel CMRT filings.

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

Related Searches

EP1SGX40DF1020C EP1SGX40DF1020C datasheet Altera Stratix GX FPGA 1020-BGA FPGA 3.125 Gbps transceiver Stratix GX 41250 logic elements EP1SGX40 vs EP1S40 obsolete FPGA replacement Altera FPGA with SERDES 1020 BGA XAUI FPGA implementation PCI Express endpoint FPGA Altera how to replace EP1SGX40DF1020C Stratix GX pinout 1020 BGA

Related Components & Terms

Altera Intel FPGA EP1SGX40DF1020C Stratix GX FPGA Field Programmable Gate Array Logic Element LAB TriMatrix block RAM SERDES XAUI PCI Express 8B/10B encoding 1020-ball FBGA FineLine BGA Quartus II RoHS Stratix II GX Stratix IV GX
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