Intel

EP1SGX25DF672I7 - Stratix GX FPGA 25K LE | Intel / Altera

MPN: EP1SGX25DF672I7 ✗ End of Life
In Stock Ships in 1-3 business days
1.5 V Vdss DF (672-ball FC-FBGA) Package 4385.97 MHz Speed
From $1190 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $1850 $1,850.00
10 $1695 $16,950.00
100 $1495 $149,500.00
500 $1320 $660,000.00
1,000 $1190 $1,190,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX25DF672I7 — 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:

EP1SGX25DF672I6N

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Intel (formerly Altera) · Stratix GX · 25,660 · 2566 · 455 · 1.425 V to 1.575 V (nominal 1.5 V) · 0C to 85C (Industrial) · 672-BBGA, FCBGA

✓ In Stock

$298 / Unit

View Datasheet →

EP1SGX25DF672I6

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Stratix GX · Stratix GX · 25,660 · 1,944,576 · 455 · 672-BBGA (FC-FBGA), 33 x 33 mm, 1.0 mm pitch · 130 nm CMOS · 1.5 V

✓ In Stock

$145 / Unit

View Datasheet →

EP1SGX25DF672I5N

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Stratix GX · 25,660 · 2,566 · 130 nm CMOS · 1.5 V · 4 to 20 (CDR/SERDES) · 3.1875 Gbps · 672-ball FC-FBGA

✓ In Stock

$118 / Unit

View Datasheet →

EP1SGX25DF672I5

✅ Drop-In
Altera
📦 672-ball FC-FBGA (DF)
Stratix GX · 25,660 · 2,566 · 1,944,576 · 130 nm CMOS · 1.5 V · 672-ball FC-FBGA (Flip-Chip Fine-pitch BGA) · Military (-55C to +125C)

✓ In Stock

$355 / Unit

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EP1SGX25DF672C7N

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Stratix GX · 25,660 · 1,944,576 bits · 455 · 4 · 3.125 Gbps · 1.5 V · 130 nm CMOS

✓ In Stock

$245 / Unit

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EP1SGX25DF672C7ES

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Field Programmable Gate Array (FPGA) · Stratix GX · 25,660 cells · CMOS · 130 nm · 1.5 V · 455 I/O · 4385.97 MHz

✓ In Stock

Contact for price

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EP1SGX25DF672C7

✅ Drop-In
Intel
📦 672-ball FC-FBGA (DF)
Stratix GX · Stratix GX · 25,660 · 2,566 · 1,944,576 · 455 · 14 · Yes (GX family)

✓ In Stock

$125.4 / Unit

View Datasheet →

EP1SGX25DF672I7 Maximum Ratings & Electrical Characteristics

Series Stratix GX
Family Stratix GX (EP1SGX25)
Logic Elements 25,660
Configurable Logic Blocks (CLBs) 2,566
Total RAM Bits 1,944,576
Number of Logic Array Blocks (LABs) 455
Maximum Internal Clock Frequency 4385.97 MHz
Combinatorial CLB Delay (max) 9.48 ns
Process Technology CMOS 130 nm
Nominal Supply Voltage 1.5 V
Supply Voltage Range 1.425 V to 1.575 V
Operating Temperature Grade MILITARY / Industrial
Speed Grade I7 (slowest industrial)
Package Code DF (672-ball FC-FBGA)
Number of Terminals 672
Terminal Form Ball (BGA)
Package Shape Square
Mounting Type Surface Mount (BGA)

EP1SGX25DF672I7 square Pin Configuration Guide

Complete pinout information for EP1SGX25DF672I7 (square 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.

square package pinout diagram for EP1SGX25DF672I7

No detailed pinout data available for EP1SGX25DF672I7.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX25DF672I7 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

EP1SGX25DF672I7 is suitable for 6 applications: High-Speed Serial Interface Bridges, Telecom Backplane Line Cards, Test and Measurement Instrumentation, Military / Aerospace Signal Processing, Industrial High-Speed Imaging and Video Processing, Embedded Systems Requiring Custom Glue Logic.

🌐

High-Speed Serial Interface Bridges

The EP1SGX25DF672I7 is well suited as a high-speed serial bridge between legacy parallel buses and modern serial protocols such as PCI Express, Serial RapidIO, and Gigabit Ethernet. Its 25,660 logic elements provide the resource density needed for protocol state machines, elastic buffers, and link-training logic, while the Stratix GX on-die multi-gigabit transceivers deliver line rates up to 3.125 Gbps per channel without external PHY silicon. In a typical bridge design the FPGA sits between an ASIC/ASSP host and a serial backplane, performing width conversion and protocol translation. The 672-ball DF BGA enables dense routing for both transceiver differential pairs and parallel I/O banks. Compared with general-purpose FPGAs, the integrated transceivers eliminate the cost, power, and board area of external PHYs.

🖥️

Telecom Backplane Line Cards

Stratix GX FPGAs including the EP1SGX25DF672I7 are widely deployed in telecom backplane line cards where they aggregate and switch multiple SFP/SFP+ optical links into a switching fabric. The 25,660 logic elements handle link-layer processing, traffic shaping, and OAM (Operations, Administration and Maintenance) functions, while the integrated transceivers interface directly to SFP+ cages. The 672-ball DF FC-FBGA exposes enough high-speed I/O for 8 to 12 transceiver channels alongside system-side parallel interfaces. Industrial temperature grade supports outdoor cabinet deployments. The I7 speed grade gives the widest timing margin, simplifying timing closure in systems that aggregate many asynchronous data streams.

🔧

Test and Measurement Instrumentation

The EP1SGX25DF672I7 finds application in test and measurement instruments such as logic analyzers, protocol exercisers, and bit-error-rate testers where reconfigurable logic and high-speed serial I/O are simultaneously required. Its 25,660 LE support deep state machines and parallel acquisition paths, while the on-die transceivers drive stimulus and capture pattern data at multi-Gbps line rates. The 1.944 Mbit of embedded RAM buffers acquisition traces before forwarding to a host CPU over PCI Express. Industrial temperature grade allows bench-to-field deployment. The I7 speed grade is acceptable for sampling and pattern generation logic where deterministic latency, not maximum toggle rate, drives instrument accuracy.

✈️

Military / Aerospace Signal Processing

With its MILITARY temperature grade and Stratix GX architecture, the EP1SGX25DF672I7 is qualified for defense signal-processing platforms including radar data pre-processing, electronic-countermeasures (ECM), and software-defined-radio baseband blocks. The 25,660 LE plus embedded DSP blocks execute FFTs, modulation/demodulation, and beam-forming math directly in the fabric, while integrated transceivers stream digitized IF/RF data to and from analog front ends. Defense programs that standardized on Stratix GX tooling years ago continue to use this part because re-validation costs are prohibitive. The 672-ball FC-FBGA is ruggedized at the PCB level and supports the long lifecycle and screening programs typical of military platforms.

🎥

Industrial High-Speed Imaging and Video Processing

The EP1SGX25DF672I7 is used in industrial imaging systems such as high-speed machine-vision cameras, video mixers, and broadcast video routers where multiple Camera Link or CoaXPress channels converge on a single processing engine. Its 25,660 LE implement pixel pipelines, color-space conversion, and overlay composition, while the on-die transceivers accept serialized Camera Link Full/Deca or CoaXPress inputs without external PHYs. The 1.944 Mbit embedded RAM holds multiple video frames for temporal filtering and frame-rate conversion. Industrial temperature grade supports factory-floor environments with elevated ambient temperatures. The 672-ball DF BGA provides enough I/O for parallel sensor interfaces plus control/status GPIO.

🏭

Embedded Systems Requiring Custom Glue Logic

Beyond its high-speed serials, the EP1SGX25DF672I7 serves as a high-density glue-logic FPGA alongside a CPU in embedded platforms such as industrial controllers, avionics LRUs, and medical imaging front ends. Its 25,660 LE implement custom register interfaces, DMA engines, interrupt aggregators, and watchdog logic that would otherwise force redesigns of the host ASIC/ASSP. The 672-ball DF BGA exposes dozens of LVTTL/LVCMOS pairs plus dedicated PLL and clock inputs for fan-out from a system oscillator. Industrial temperature grade supports harsh environments. The I7 speed grade yields the widest timing margin for slow-but-reliable glue logic that is not in any critical timing path.

What is the EP1SGX25DF672I7?
The EP1SGX25DF672I7 is an Intel/Altera Stratix GX family FPGA with 25,660 logic elements, 2,566 CLBs, 1.944 Mbit embedded RAM, and a 1.5 V core, housed in a 672-ball FC-FBGA (DF) package, qualified to MILITARY/industrial temperature grade. According to the manufacturer part numbering, the "I7" suffix denotes the slowest industrial speed grade and "DF" denotes the 672-ball BGA.
What is the logic cell count of the EP1SGX25DF672I7?
The EP1SGX25DF672I7 contains 25,660 logic elements organized into 2,566 Configurable Logic Blocks (CLBs) and 455 Logic Array Blocks (LABs). This places it in the mid-density tier of the Stratix GX family, suitable for high-speed bridging and signal-processing pipelines with multi-gigabit serial transceivers integrated on-die.
What is the supply voltage range of EP1SGX25DF672I7?
The EP1SGX25DF672I7 operates from a nominal 1.5 V core supply with an allowed tolerance of 1.425 V to 1.575 V. Multiple additional rails (PLL, I/O banks, transceiver analog, auxiliary) are required and must follow the Stratix GX power-tree reference in the manufacturer datasheet for proper operation.
What package does the EP1SGX25DF672I7 use?
The EP1SGX25DF672I7 ships in a 672-ball Fine-pitch Chip-Scale BGA package (package code DF). The package is a square wire-bond FBGA requiring microvia PCB technology and a controlled-impedance stack-up for transceiver and high-speed I/O signal integrity.
Is the EP1SGX25DF672I7 still active or obsolete?
The EP1SGX25DF672I7 is listed as obsolete on distributor channels and is no longer recommended for new designs by Intel/Altera. New designs should migrate to Stratix IV GX, Stratix V, or current Agilex/Cyclone families using the Altera/Intel migration guide; existing defense and industrial programs with qualified Stratix GX tooling continue to source remaining inventory.
Where can I buy EP1SGX25DF672I7?
The EP1SGX25DF672I7 is available through authorized distributors including Arrow, Microchip USA, Vyrian, Jotrin, and Corphita. Stock is limited because the part is obsolete; pricing and lead time vary by distributor and should be quoted per order, with lead times commonly running 4 to 12 weeks depending on factory wafer allocation.
What is the price of EP1SGX25DF672I7 as of 2026-09-07?
As of 2026-09-07, EP1SGX25DF672I7 unit pricing is approximately USD 1,850 at quantity 1, scaling to USD 1,190 at quantity 1000. Pricing reflects obsolete-stock scarcity; the manufacturer does not issue list pricing for discontinued parts and distributor pricing varies with lot date code and screening level.
What is the lead time for EP1SGX25DF672I7?
Lead time for EP1SGX25DF672I7 typically runs 4 to 12 weeks when sourced from authorized distributors, with longer lead times of 16 weeks or more for military-screened variants. Because the device is obsolete, buyers should qualify an alternate Stratix GX speed grade or a Stratix IV/IV GX replacement part to reduce supply-chain risk.
Is EP1SGX25DF672I7 in stock at distributors?
EP1SGX25DF672I7 stock is generally limited and intermittent because the part is obsolete. Distributors such as Arrow and Microchip USA periodically list small quantities; engineers should request a real-time quote and consider qualifying an alternate Stratix GX or Stratix IV GX variant for production continuity.
What is the difference between EP1SGX25DF672I7 and EP1SGX25DF672C7?
EP1SGX25DF672I7 uses the I7 speed grade (industrial, slowest), while EP1SGX25DF672C7 uses the C7 commercial temperature grade at a faster speed tier. Both share the same 672-ball DF BGA and 25,660 LE silicon, making them pin-compatible drop-in alternatives when thermal and speed constraints permit a temperature-grade swap.
What is the best drop-in replacement for EP1SGX25DF672I7?
The best pin-compatible drop-in replacement is EP1SGX25DF672I6N, which shares the same DF 672-ball BGA footprint, 25,660 logic elements, and 1.5 V core, but ships in the faster I6 industrial speed grade. The same-footprint alternatives list on this page includes I5, C7N, C7ES, C6N, C6, C5N, and C5 speed-grade variants of the identical silicon.
Can EP1SGX10DF672I7N replace EP1SGX25DF672I7?
No - EP1SGX10DF672I7N is not a drop-in replacement for EP1SGX25DF672I7 because it has only 10,570 logic elements versus the 25,660 LE of the target. Although both parts share the DF 672-ball BGA footprint and 1.5 V core, the silicon is different and existing bitstreams will not fit; only the package footprint can be reused, not the design.
Where can I download the EP1SGX25DF672I7 datasheet?
The official EP1SGX25DF672I7 datasheet and Stratix GX device handbook are available from Intel's Programmable Solutions Group archive. The manufacturer datasheet contains pinout, IBIS models, BSDL files, and DC/AC specifications; engineers should request it through the Intel/Altera legacy FPGA documentation portal or via their authorized distributor.
Where can I find the EP1SGX25DF672I7 pinout for the 672-ball BGA?
The EP1SGX25DF672I7 672-ball pinout is published in the Stratix GX Device Handbook and Pin Information file on Intel's legacy FPGA documentation archive. Because the package is a fine-pitch BGA, the pinout is typically loaded as a Quartus II pin-assignment file rather than read manually; design tools will guide the placement of I/O banks and transceiver pins.
What are the key specifications of EP1SGX25DF672I7 that engineers should know?
The EP1SGX25DF672I7 integrates 25,660 logic elements, 2,566 CLBs, 1.944 Mbit embedded memory, four-speed-grade silicon at the slowest I7 industrial tier, 130 nm CMOS, 1.5 V nominal core (1.425 to 1.575 V), MILITARY temperature grade, and a 672-ball DF FC-FBGA. These parameters together determine migration paths, toolchain choice, and PCB stack-up constraints.

Engineering reference data for EP1SGX25DF672I7 — comparison, design guidance, and compliance information.

Selection Guide

Choose EP1SGX25DF672I7 when your design requires the widest timing margin for high-density glue logic or for military/industrial temperature deployment where slower silicon simplifies closure. If timing margin is less critical and you need higher Fmax, step up to EP1SGX25DF672I6N or EP1SGX25DF672I5N with the same 672-ball DF BGA. For commercial-temperature-only applications in non-defense markets, switch to the EP1SGX25DF672C7 family - same silicon, lower cost. Avoid using the lower-density EP1SGX10DF672 variants as functional drop-ins: they share the DF 672-ball BGA but contain only 10,570 LE and are not bitstream-compatible. For new designs, evaluate Stratix IV GX (EP4SGX) for higher logic density with similar transceiver capability.

Comparison with Alternatives

Parameter This Product EP1SGX25DF672I6N EP1SGX25DF672I6 EP1SGX25DF672I5N EP1SGX25DF672C7 EP1SGX25DF672C7ES
Brand Intel (formerly Altera) Intel Intel Intel Intel Intel
Package 672-ball FC-FBGA (DF) 672-ball FC-FBGA (DF) - same 672-ball FC-FBGA (DF) - same 672-ball FC-FBGA (DF) - same 672-ball FC-FBGA (DF) - same 672-ball FC-FBGA (DF) - same
Logic Elements 25,660 25,660 25,660 25,660 25,660 25,660
Total RAM Bits 1,944,576 1,944,576 1,944,576 1,944,576 1,944,576 1,944,576
Speed Grade I7 I6 I6 I5 C7 C7 ES
Temperature Grade MILITARY / Industrial Industrial Industrial Industrial Commercial Commercial (ES)
Nominal Supply Voltage 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Slowest industrial speed grade gives widest timing margin (vs EP1SGX25DF672I6N (I6 speed grade))
  • MILITARY temperature grade extends operating envelope (vs EP1SGX25DF672C7 (C7 commercial))
  • On-die multi-gigabit transceivers eliminate external PHYs (vs Cyclone family FPGAs without embedded transceivers)

Design Notes

Stratix GX devices require multiple tightly regulated rails (VCCINT 1.5 V core, VCCIO bank-specific, VCCP PLL, VCCAUX auxiliary, plus dedicated transceiver analog VCCE and VCCH rails). Bulk decoupling must follow the Quartus II power-tree reference; insufficient decoupling on VCCE/VCCH causes link instability. For each rail use at least 2x 22 uF bulk + 10x 0.1 uF ceramics at the device balls, plus dedicated pi filters on transceiver rails. Estimated: at 25,660 LE typical utilization 50% and 4 active transceivers, total device power draws 4-6 W.

Although the I7 speed grade is the slowest industrial variant, a fully utilized Stratix GX silicon die can dissipate 5-8 W. The 672-ball FC-FBGA exposes only a small thermal pad footprint; engineers must attach a heatsink or thermal interface material for industrial environments with ambient temperatures above 50 C. Estimated: at 6 W device power, junction-to-ambient theta_JA is typically 8-10 C/W on a JEDEC 4-layer board with 1 in2 thermal via array - design margin must keep Tj below 100 C for industrial-grade reliability.

The 672-ball FC-FBGA requires microvia PCB technology (laser-drilled vias, sequential lamination) and a controlled-impedance stack-up for transceiver differential pairs. Trace length matching for each transceiver pair must be within 150 um to meet multi-Gbps line rates, and DC blocking capacitors on TX/RX pairs must be 0402 size placed within 200 um of the FPGA balls. Use 100-ohm differential impedance for transceiver channels and 50-ohm single-ended for general I/O.

Common pitfalls include: (1) configuring I/O bank VCCIO to an unsupported voltage for the chosen standard - verify against the device handbook I/O standard table; (2) failing to connect unused transceiver RX pins - per datasheet unused RX inputs must be AC-grounded through 100 nF caps; (3) using the EP1SGX10 silicon by mistake - EP1SGX10DF672 parts share the DF 672-ball BGA but have only 10,570 LE and are not drop-in functional equivalents (only footprint-compatible).

Compliance Information

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

RoHS/REACH/lead-free status not directly stated in verified web data; marked unknown per Data Authenticity Rules. AEC-Q100 not applicable for FPGA logic devices.

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

Intel Altera EP1SGX25DF672I7 EP1SGX25DF672I6N EP1SGX25DF672C7 Stratix GX FPGA Field-Programmable Gate Array Configurable Logic Block Logic Array Block Multi-Gigabit Transceiver FC-FBGA Fine-pitch Chip-Scale BGA CMOS 130 nm Quartus II IBIS model PCI Express Serial RapidIO MILITARY temperature grade Industrial temperature grade programmable logic device high-density FPGA spectrum expansion device logic element embedded RAM
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