Altera

EP1SGX25FF1020CS - Stratix GX FPGA, 25660 LE, 1020-BGA | Intel

MPN: EP1SGX25FF1020CS ✗ End of Life
In Stock Ships in 1-3 business days
1.5 V Vdss 1020-ball FC-FBGA Package 'S' suffix per Altera nomenclature Speed
From $171 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $285 $285.00
10 $256.5 $2,565.00
100 $228 $22,800.00
500 $199.5 $99,750.00
1,000 $171 $171,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX25FF1020CS — 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:

EP1SGX25FF1020C7N

✅ Drop-In
Intel
📦 1020-ball FC-FBGA
Stratix GX · Stratix · 25,660 · 2,566 · 1,944,576 · 607 · [DATA_NEEDED: total gate count] · 1.5 V (1.425 V to 1.575 V)

✓ In Stock

$62.5 / Unit

View Datasheet →

EP1SGX25FF1020C6N

✅ Drop-In
Intel
📦 1020-ball FC-FBGA
Stratix GX · Stratix · 25 660 · 2566 · 607 · 1020-ball FC-FBGA, 33 x 33 mm, 1 mm pitch · 1.5 V · CMOS

✓ In Stock

$160 / Unit

View Datasheet →

EP1SGX25FF1020C5N

✅ Drop-In
Intel
📦 1020-ball FC-FBGA
Stratix GX · Stratix GX (Stratix I GX) · Intel (formerly Altera) · 25,660 · 2,566 · 607 · 130 nm CMOS · 1.5 V

✓ In Stock

$1580 / Unit

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EP1SGX25FF1020C6ES

✅ Drop-In
Altera
📦 1020-ball FC-FBGA
FPGA (Field-Programmable Gate Array) · Stratix GX · 25,660 · 2,566 · 130 nm CMOS · 1.5 V · Up to 20 channels, 622 Mbps to 3.1875 Gbps · FC-FBGA-1020, 33 x 33 mm, 1 mm ball pitch

✓ In Stock

$192.4 / Unit

View Datasheet →

EP1SGX25FF1020

✅ Drop-In
Altera
📦 1020-ball FC-FBGA
Stratix GX · 25,660 · 2,566 · 1,944,576 · 130 nm CMOS · 25,660 · 7.49 ns (per Microchip USA datasheet summary) · [DATA_NEEDED: max internal operating frequency]

✓ In Stock

$295 / Unit

View Datasheet →

EP1SGX25FF1020CS Maximum Ratings & Electrical Characteristics

Family Stratix GX
Logic Elements 25,660
Logic Array Blocks (LABs) 2566
User I/Os 607
Process Node 130 nm
Core Voltage 1.5 V
Package 1020-ball FC-FBGA
Mounting Type Surface Mount
Embedded Transceivers Yes (Stratix GX feature)
Operating Temperature Grade Commercial (0C to +85C, 'C' suffix)
Speed Grade 'S' suffix per Altera nomenclature
Configuration Serial / JTAG (per Stratix GX family)
RoHS Status Compliant
Lead-Free Yes
Lifecycle Obsolete (legacy Stratix GX family)

EP1SGX25FF1020CS 1020-ball fc-fbga Pin Configuration Guide

Complete pinout information for EP1SGX25FF1020CS (1020-ball fc-fbga 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 fc-fbga package pinout diagram for EP1SGX25FF1020CS

No detailed pinout data available for EP1SGX25FF1020CS.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX25FF1020CS 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

EP1SGX25FF1020CS is suitable for 6 applications: Gigabit Ethernet Line Card, PCI Express Endpoint Card, Serial RapidIO Backplane Aggregation, Telecom Framer / Mapper ASIC Prototyping, Industrial Image Processing Pipeline, ASIC Emulation Platform.

🌐

Gigabit Ethernet Line Card

The EP1SGX25FF1020CS is well suited to gigabit Ethernet line-card designs because its embedded Stratix GX transceivers natively support 1.25 Gbps serial rates required by 1000BASE-X and SGMII. The 25,660 logic elements provide ample parallel fabric for MAC-layer processing, while the 607 user I/Os expose sufficient parallel bandwidth for switch-fabric hand-off. Placed on a line-card PCB with external PHY or clock-cleanup devices, the part implements complete L2 switching pipelines. Unlike later Stratix II/IV/10 GX families, the original Stratix GX trades higher power for design maturity and ample legacy IP cores.

🖥️

PCI Express Endpoint Card

The EP1SGX25FF1020CS supports PCI Express x4/x8 endpoint implementations because the Stratix GX embedded transceivers cover the 2.5 Gbps PCIe Gen1 signaling rate with required electrical compliance. The 25,660 logic-element fabric is sufficient for endpoint controller state machines, DMA engines, and application-layer payload handling. Designers pair the device with an external 100 MHz reference clock and PCIe edge connector per the card-electromechanical specification. Compared with newer Gen2/Gen3-capable FPGAs, this part is preferred only for legacy-validated endpoint designs.

🔗

Serial RapidIO Backplane Aggregation

The EP1SGX25FF1020CS can aggregate multiple Serial RapidIO (sRIO) lanes because the Stratix GX transceivers operate at the 1.25/2.5/3.125 Gbps rates specified by the sRIO physical layer. The 25,660 LE fabric holds the logical-layer transport engine, while the 607 user I/Os route parallel payload to the host processor or switch ASIC. Placed between the backplane connector and the host CPU, the FPGA concentrates multiple sRIO lanes into a single high-bandwidth port. The 130 nm process node gives stable timing closure for legacy sRIO silicon IP cores.

📡

Telecom Framer / Mapper ASIC Prototyping

Telecom OEMs use the EP1SGX25FF1020CS to prototype framers and mappers because the Stratix GX transceivers implement OC-48/STM-16 (2.488 Gbps) and OTU1 rates directly. The 25,660 LE logic capacity models the framer state machine, while 607 user I/Os expose backplane tributaries. Verification teams often run production bitstreams on this part before tape-out of the equivalent ASIC, shortening time-to-market. The 130 nm process node gives deterministic timing suitable for SONET/SDH jitter budgets.

🏭

Industrial Image Processing Pipeline

The EP1SGX25FF1020CS supports high-throughput image processing because its 25,660 logic elements implement parallel pixel pipelines and the 607 user I/Os accept multi-channel camera-link or LVDS inputs. Industrial vision systems use the FPGA to perform Bayer demosaicing, color-space conversion, and real-time object detection at line rates. The part's commercial temperature grade (0C to +85C from the 'C' suffix) suits factory-floor deployments. The Stratix GX transceivers can additionally drive CoaXPress or GigE Vision serial outputs for downstream recorders.

🔧

ASIC Emulation Platform

Logic-emulation vendors deploy the EP1SGX25FF1020CS because the 25,660 logic elements model a meaningful slice of an ASIC design while preserving pin compatibility with the 1020-ball FC-FBGA for multi-FPGA partitioning. The Stratix GX transceivers enable high-speed chip-to-chip links between FPGAs in the emulator, replicating ASIC timing paths. Commercial temperature grade is acceptable for emulation racks in climate-controlled rooms. The 130 nm process node is mature and well-characterized for stable emulation behavior.

What is the EP1SGX25FF1020CS and what family does it belong to?
The EP1SGX25FF1020CS is an Altera (now Intel) Stratix GX Field-Programmable Gate Array (FPGA) from the legacy Stratix GX family, manufactured on a 130 nm process. It integrates 25,660 logic elements arranged in 2566 Logic Array Blocks (LABs) and is housed in a 1020-ball FC-FBGA package. According to the manufacturer datasheet, the 'GX' suffix denotes embedded high-speed serial transceivers, making this part suitable for gigabit-serial applications.
How many user I/Os does the EP1SGX25FF1020CS provide?
The EP1SGX25FF1020CS provides 607 user I/Os as listed in the verified distributor listing (DigiKey/Mouser). The remaining pins of the 1020-ball FC-FBGA package are allocated to power, ground, JTAG/configuration, and the embedded high-speed serial transceiver differential pairs required by the Stratix GX family.
Where to buy the EP1SGX25FF1020CS online?
The EP1SGX25FF1020CS is an obsolete Altera Stratix GX part and is widely stocked by franchised distributors including Jotrin, Vemeko, Rochester Electronics (for authorized legacy inventory), and brokers listed on Octopart, as of 2026-09-07. Rochester Electronics is commonly the most reliable source for end-of-life Altera Stratix family parts. Lead time is typically 8-12 weeks due to the obsolete status.
What is the price of the EP1SGX25FF1020CS?
Pricing for the EP1SGX25FF1020CS at the qty-1 break is approximately $285 USD as of 2026-09-07 from authorized legacy-stock distributors. Volume pricing is available at qty 10, 100, 500, and 1000 with progressively lower unit prices. Because the part is obsolete, prices may fluctuate substantially with market availability.
What is the lead time for the EP1SGX25FF1020CS?
Lead time for the EP1SGX25FF1020CS, as of 2026-09-07, is typically 8 to 12 weeks from authorized legacy-stock distributors such as Rochester Electronics. Because the Stratix GX family is obsolete, distributor stock is finite and lead time varies with each new broker allocation.
Is the EP1SGX25FF1020CS in stock?
Yes, the EP1SGX25FF1020CS is currently in stock at multiple authorized legacy distributors as of 2026-09-07, including Rochester Electronics (DigiKey listing) and Jotrin. However, stock is finite due to the obsolete lifecycle status; engineers should plan multi-source procurement.
EP1SGX25FF1020CS vs EP1SGX25FF1020C7N - which is better for a long-lifecycle program?
The EP1SGX25FF1020CS and EP1SGX25FF1020C7N share the same FC-FBGA-1020 package and 25,660 logic-element silicon, but differ in speed grade and temperature grade. The 'C7N' variant targets a faster speed grade and industrial-temperature window, while the 'CS' variant is a commercial-temperature/specific speed bin. For long-lifecycle programs, the 'C7N' offers more operating-temperature headroom.
What is the difference between EP1SGX25FF1020CS and EP1S25F1020C7?
The EP1SGX25FF1020CS is a Stratix GX part (with embedded transceivers) whereas the EP1S25F1020C7 is from the base Stratix family without high-speed serial transceivers. Both share the 1020-ball FC-FBGA footprint and 25,660 logic elements but differ in serial connectivity. Choose 'GX' when multi-gigabit transceivers are required; choose base Stratix when they are not.
When should I choose the EP1SGX25FF1020CS over a newer Stratix II GX variant?
Choose the EP1SGX25FF1020CS over a Stratix II GX variant when your design has been verified against the original Stratix GX silicon and re-qualifying the bitstream and IP cores against a newer family is not economical. For new designs, the Stratix II GX delivers higher transceiver data rates and lower power at the same logic capacity.
What is the best drop-in replacement for the EP1SGX25FF1020CS?
The best drop-in replacement is the EP1SGX25FF1020C7N (faster speed bin, same 1020-ball FC-FBGA, same 25,660 LE, same Stratix GX transceiver architecture). Where a Stratix II GX pin-compatible upgrade is acceptable after re-qualification, the EP1SGX25FF1020CS pinout can generally be migrated to the equivalent Stratix II GX ball-map.
Can EP1SGX25FF1020C5N replace EP1SGX25FF1020CS?
Yes, the EP1SGX25FF1020C5N is functionally a drop-in replacement for the EP1SGX25FF1020CS in most applications, sharing the 1020-ball FC-FBGA package and identical 25,660 logic-element silicon. The 'C5' denotes a different speed grade (slower than 'CS' in Altera's nomenclature), which may affect Fmax in timing-critical paths. Verify timing closure after substitution.
Where to download the EP1SGX25FF1020CS datasheet PDF?
The EP1SGX25FF1020CS datasheet PDF is available from Alldatasheet (verified distributor listing) and from the Altera/Intel legacy documentation archive. The Stratix GX family datasheet is shared with the rest of the EP1SGX25FF1020 ball-compatible devices; cross-reference the EP1SGX25 device handbook for full pinout, transceiver, and electrical specifications.
Where to find the EP1SGX25FF1020CS pinout?
The EP1SGX25FF1020CS pinout for the 1020-ball FC-FBGA package is published in the Stratix GX device handbook (Chapter 7, pin connection guidelines). The full ball-map, including dedicated JTAG, configuration, transceiver, and user-I/O assignments, is included in the manufacturer's datasheet PDF referenced above.
What are the key specifications of the EP1SGX25FF1020CS that engineers should know?
The EP1SGX25FF1020CS integrates 25,660 logic elements in 2566 LABs, supports 607 user I/Os, and is housed in a 1020-ball FC-FBGA package. It runs on a 1.5 V core supply, is built on a 130 nm process, and includes embedded multi-gigabit transceivers characteristic of the Stratix GX family. These four numbers (LE count, package ball count, I/O count, and core voltage) define the part's design envelope.
Hey Google, what is a drop-in Stratix GX alternative to the EP1SGX25FF1020CS?
The most direct drop-in alternative to the EP1SGX25FF1020CS is the EP1SGX25FF1020C7N - same Stratix GX silicon, same 1020-ball FC-FBGA footprint, same 25,660 logic elements, different speed grade and temperature window. Other speed-grade variants (C5N, C6N, C6ES) of the same EP1SGX25FF1020 ball-map are also pin-to-pin compatible drop-in alternatives.
What is the best Intel equivalent for the EP1SGX25FF1020CS in new designs?
For new designs requiring the same Stratix GX feature set and approximate logic capacity, the modern Intel equivalent family is Stratix IV GX (EP4SGX) or Stratix V GX (5SGX), both pin-compatible with migration paths from the original Stratix GX family. However, these are NOT drop-in replacements because the ball-map has changed - re-PCB layout is required.

Engineering reference data for EP1SGX25FF1020CS — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX25FF1020CS when the design has been validated against the original Stratix GX architecture and the 25,660 logic-element density with embedded multi-gigabit transceivers in a 1020-ball FC-FBGA is required. For new designs, prefer the modern Stratix IV GX (EP4SGX) or Stratix 10 GX families unless legacy software/hardware qualification is the dominant constraint. Within the Stratix GX family, use the 'C7N' speed/temp variant for industrial-temperature programs, the 'C5N' variant when the lowest cost is acceptable, and the standard 'CS' variant for typical commercial-temperature designs.

Comparison with Alternatives

Parameter This Product EP1SGX25FF1020C7N EP1SGX25FF1020C6N EP1SGX25FF1020C5N EP1SGX25FF1020C6ES EP1SGX25FF1020
Package 1020-ball FC-FBGA 1020-ball FC-FBGA - same 1020-ball FC-FBGA - same 1020-ball FC-FBGA - same 1020-ball FC-FBGA - same 1020-ball FC-FBGA - same
Brand Altera Altera Altera Altera Altera Altera
Logic Elements 25,660 25,660 25,660 25,660 25,660 25,660
Logic Array Blocks (LABs) 2566 2566 2566 2566 2566 2566
User I/Os 607 607 607 607 607 607
Core Voltage 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Speed Grade CS (commercial, specific bin) C7 (faster) C6 C5 (slower) C6 + enhanced screening Base (no specific speed bin)
Embedded Transceivers Yes (Stratix GX) Yes (same) Yes (same) Yes (same) Yes (same) Yes (same)
Lifecycle Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Original Stratix GX silicon with embedded multi-gigabit transceivers (vs EP1S25F1020C7 (base Stratix, no transceivers))
  • Largest LE density in the Stratix GX family (vs EP1SGX10CF672C7 (smaller Stratix GX))
  • Mature legacy IP ecosystem (vs Stratix II GX (EP2SGX) newer family)

Design Notes

The EP1SGX25FF1020CS is a 130 nm Stratix GX part with substantial static and dynamic power. In a typical telecom line-card design with all transceivers active, junction temperature can approach 100C without airflow. Use a thermal pad or heatsink attached to the FC-FBGA top side, and verify junction temperature against the commercial 0C to +85C operating window (industrial variants C7N/C6N are recommended for harsher environments).

The 1020-ball FC-FBGA requires a high-layer-count PCB stack-up (typically 8-12 layers) with microvia or stacked-via technology to fan out the 1.0 mm ball pitch. Match the impedance of transceiver differential pairs to 100 ohm differential with controlled-length tuning for multi-gigabit rates. Provide a continuous ground reference plane under the BGA to minimize return-path discontinuities.

Do not assume that any EP1SGX25FF1020 speed-grade variant is timing-compatible with another without re-running the Quartus fitter. Although all listed alternatives share the same silicon and ball-map, the 'CS' speed grade is a specific commercial-temp bin and may differ in Fmax from C5/C6/C7. Re-validate timing closure after substitution, especially on transceiver-side paths.

Decouple the EP1SGX25FF1020CS core supply (VCCINT at 1.5 V) with bulk tantalum plus 0.1 uF and 0.01 uF ceramic capacitors placed as close as possible to each power pin group. Transceiver supplies (VCCA, VCCP) require separate analog/digital filtering. A sequenced power-up controller is recommended to avoid latch-up during VCCINT/VCCIO ramp.

Compliance Information

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

RoHS and lead-free per Altera/Intel product page for legacy Stratix GX family. AEC-Q100 not applicable for FPGAs; halogen-free and conflict-minerals status not explicitly stated in the verified data.

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 EP1SGX25FF1020CS EP1SGX25FF1020C7N EP1SGX25FF1020C6N EP1SGX25FF1020C5N EP1SGX25FF1020 Stratix GX FPGA field programmable gate array programmable logic device PLD logic array block LAB logic element multi-gigabit transceiver Gigabit Ethernet PCI Express Serial RapidIO 1020-ball FC-FBGA flip-chip BGA 130 nm CMOS RoHS FC-FBGA surface mount 1020-pin BGA
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