Altera

EP1SGX25DF672I5 - Stratix GX FPGA, 25K LE, 672-FBGA | Altera

MPN: EP1SGX25DF672I5 ✗ End of Life
In Stock Ships in 1-3 business days
1.5 V Vdss 672-ball FC-FBGA (Flip-Chip Fine-pitch BGA) Package 1,944,576 Memory
From $355 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $485 $485.00
10 $460 $4,600.00
100 $420 $42,000.00
500 $385 $192,500.00
1,000 $355 $355,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX25DF672I5 — 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:

EP1SGX25DF672C5

✅ Drop-In
Intel
📦 672-ball FC-FBGA
Intel (formerly Altera) · Stratix GX · CMOS · FPGA (Field Programmable Gate Array) · 25,660 · 1,944,576 · 455 · 672

✓ In Stock

$198 / Unit

View Datasheet →

EP1SGX25DF672C6

✅ Drop-In
Intel
📦 672-ball FC-FBGA
Stratix GX · 25,660 LE · 2,566 · 1,944,576 bits · 455 · 6 channels (per Stratix GX family) · 3.125 Gbps · 1.5 V

✓ In Stock

$96.5 / Unit

View Datasheet →

EP1SGX25DF672C7

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

✓ In Stock

$125.4 / Unit

View Datasheet →

EP1SGX25DF672C7N

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

✓ In Stock

$245 / Unit

View Datasheet →

EP1SGX25CF672C7

✅ Drop-In
Altera
📦 672-ball FC-FBGA
Stratix® GX · 25,660 · 2,566 · 1,944,576 · 455 · 455 · 1.5 V · 130 nm CMOS

✓ In Stock

$340 / Unit

View Datasheet →

EP1SGX25DF672I5 Maximum Ratings & Electrical Characteristics

Family Stratix GX
Logic Elements 25,660
Configurable Logic Blocks (CLBs) 2,566
Embedded Memory Bits 1,944,576
Process Technology 130 nm CMOS
Core Supply Voltage 1.5 V
Package 672-ball FC-FBGA (Flip-Chip Fine-pitch BGA)
Operating Temperature Grade Military (-55C to +125C)
Form of Terminal Ball
Package Code BGA
Package Shape Square
Number of Terminals 672
Mounting Type Surface Mount

EP1SGX25DF672I5 square Pin Configuration Guide

Complete pinout information for EP1SGX25DF672I5 (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 EP1SGX25DF672I5

No detailed pinout data available for EP1SGX25DF672I5.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX25DF672I5 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

EP1SGX25DF672I5 is suitable for 6 applications: Gigabit Ethernet Backplane Interface, Serial RapidIO Endpoint, Custom Chip-to-Chip Bridge, Telecom Line-Card Signal Processing, Military Embedded Computing, Industrial High-Speed Data Acquisition.

🌐

Gigabit Ethernet Backplane Interface

The EP1SGX25DF672I5's integrated multi-gigabit transceivers deliver 1.25 Gbaud and 3.125 Gbaud line rates ideal for tri-speed Gigabit Ethernet PHY interfaces across backplane channels. With 25,660 logic elements and dedicated DSP blocks, the device can implement a soft MAC plus PCS layer alongside user logic, eliminating an external PHY or framer ASIC. The military temperature grade allows deployment in ruggedized telecom line cards. PCB layout must enforce controlled-impedance differential traces and AC-coupling capacitors on each serial lane.

✈️

Serial RapidIO Endpoint

Serial RapidIO links between DSP clusters and host processors require low-latency, packet-switched interconnects at 1.25 to 3.125 Gbaud. The EP1SGX25DF672I5 provides enough transceiver channels to implement a 1x or 4x Serial RapidIO endpoint in firmware, and the 25,660 logic elements accommodate the link-layer controller plus customer application logic. The military-grade temperature window supports avionics and shipboard embedded computing applications. Designers should reference the RapidIO Interconnect Specification for transport-layer compliance.

🔧

Custom Chip-to-Chip Bridge

Custom serial interfaces between ASICs, ASSPs, and FPGAs benefit from the EP1SGX25DF672I5's programmable transceiver pre-emphasis, equalization, and encoding. The 130 nm process and 1.5 V core supply yield robust signal integrity over FR-4 backplanes with two to four inches of trace length. Up to twenty transceiver channels can be partitioned across multiple proprietary or standard serial protocols. The flip-chip BGA package reduces inductance on critical high-speed lanes compared to wire-bond equivalents.

🌐

Telecom Line-Card Signal Processing

Telecommunications line cards combine high-speed serial framer interfaces with channel-processing DSP. The EP1SGX25DF672I5 integrates both functions: the transceiver channels terminate OC-48 or 1G/2G fiber links while the embedded multipliers and DSP blocks perform forward error correction, echo cancellation, or cross-connect switching. Military temperature operation enables deployment in outdoor and ruggedized cabinets. Designers should reference the Altera AN 467 application note for transceiver board-design guidelines.

Military Embedded Computing

Defense and aerospace platforms demand components rated for the full -55C to +125C operating window, and the EP1SGX25DF672I5 with its I5 military temperature grade meets that requirement. The device integrates logic fabric, memory, multipliers, and multi-gigabit transceivers into a single IC, simplifying SWaP-C-optimized embedded computing designs. System integrators should verify the Altera/Intel product change notification history and long-term continuity of supply before committing to multi-year defense programs.

🏭

Industrial High-Speed Data Acquisition

High-speed data acquisition systems for test and measurement benefit from the EP1SGX25DF672I5's combination of high-speed transceivers and DSP capability. Serializer/deserializer functions, channel aggregation, and real-time preprocessing can all be implemented within the 25,660 logic elements and 1,944,576 embedded memory bits. The military temperature grade allows deployment in extreme industrial environments such as oil exploration downhole tools or rail transportation. Quartus II DSP Builder accelerates fixed- and floating-point filter implementation.

What is the EP1SGX25DF672I5?
The EP1SGX25DF672I5 is an Altera Stratix GX FPGA with 25,660 logic elements and 2,566 CLBs in a 672-ball FC-FBGA package. It belongs to the Stratix GX family, which integrates multi-gigabit serial transceivers alongside the general-purpose logic fabric for gigabit serial interface applications. It operates on a 1.5 V core supply using 130 nm CMOS process technology.
How many logic elements does the EP1SGX25DF672I5 have?
The EP1SGX25DF672I5 contains 25,660 logic elements organized into 2,566 Configurable Logic Blocks (CLBs). It also provides 1,944,576 bits of embedded memory for buffers, FIFOs, and lookup-table storage. According to the Altera Stratix GX device handbook, this places the part in the mid-density tier of the first-generation Stratix GX family.
What package does the EP1SGX25DF672I5 use?
The EP1SGX25DF672I5 is housed in a 672-ball FC-FBGA (flip-chip fine-pitch BGA) package. The flip-chip construction provides lower parasitic inductance than wire-bond BGA, which is essential for the multi-gigahertz transceiver signals. Assembly requires microvia or via-in-pad PCB technology to route signals out of the 0.8 mm or 1.0 mm pitch ball array.
What is the operating temperature range of the EP1SGX25DF672I5?
The 'I5' suffix designates the military temperature grade, giving the EP1SGX25DF672I5 an operating range of -55C to +125C. This makes it suitable for military and aerospace embedded systems as well as harsh-environment industrial applications. The wider I5 range also satisfies standard industrial and commercial windows with thermal margin to spare.
What is the difference between EP1SGX25DF672I5 and EP1SGX25DF672C5?
The EP1SGX25DF672I5 is the military-temperature-grade (-55C to +125C) variant, while the EP1SGX25DF672C5 is the commercial-grade (0C to +85C) variant. Both share the same 672-ball FC-FBGA package, 25,660 logic elements, and pinout, making them drop-in compatible on PCBs designed for the wider military window. Choose the I5 grade for military or harsh-environment deployments and the C5 grade for cost-sensitive commercial designs.
Is the EP1SGX25DF672I5 still in production?
The EP1SGX25DF672I5 is classified as Not Recommended for New Designs (NRND) by Altera/Intel. Existing designs can continue to receive support and may still order parts from authorized distributors, but new designs should target newer Stratix or Cyclone families. Engineers planning new platforms should evaluate Stratix IV, Stratix V, or current Agilex devices for long-term availability.
Where can I download the EP1SGX25DF672I5 datasheet PDF?
The EP1SGX25DF672I5 datasheet is included in the Altera Stratix GX Device Handbook, Volume 1, hosted on the Altera/Intel literature archive. The pinout, electrical characteristics, and configuration details are documented in the device family datasheet rather than a single part-specific PDF. Search the Altera literature portal for 'Stratix GX handbook volume 1' to access the full specification set.
What is the price of EP1SGX25DF672I5?
As of 2026-09-07, the EP1SGX25DF672I5 is listed on distributor channels with qty-1 pricing around $485 USD and tiered volume discounts down to approximately $355 USD at 1000-unit quantities. Pricing for legacy FPGAs fluctuates with availability, so request a current quote from authorized Altera/Intel distributors for production-volume or long-lead-time orders.
Where can I buy the EP1SGX25DF672I5 online?
The EP1SGX25DF672I5 can be purchased through Altera/Intel authorized distributors and inventory brokers such as Avnet, Arrow, and specialized legacy component suppliers. As of 2026-09-07, real-time stock and pricing aggregators such as Octopart list available inventory across multiple franchised and independent distributors. Always verify part traceability and date code when sourcing legacy FPGAs from open-market brokers.
What is the lead time for the EP1SGX25DF672I5?
Lead times for the EP1SGX25DF672I5 vary because the part is classified as NRND. Authorized distributors may show factory lead times of 12-20 weeks when stock is depleted, while independent brokers often hold inventory for immediate shipment. Submit RFQs to multiple channels and verify date code and traceability documentation before placing production orders for legacy FPGAs.
Is the EP1SGX25DF672I5 pin-compatible with EP1SGX25DF672C5?
Yes, the EP1SGX25DF672I5 and EP1SGX25DF672C5 share the same 672-ball FC-FBGA pinout, and the I5 military-grade part is a direct drop-in replacement on any PCB designed to operate within the wider temperature window. The C5 commercial part cannot be used in military applications but is fully pin-compatible for cost-optimized commercial boards that do not need the full -55C to +125C range.
What is a drop-in replacement for EP1SGX25DF672I5?
Drop-in replacements for the EP1SGX25DF672I5 in the same 672-ball FC-FBGA footprint include the EP1SGX25DF672C5 and EP1SGX25DF672C6 commercial-grade siblings and the EP1SGX25DF672C7 higher-speed grade. These differ only in operating temperature window and speed grade, allowing you to substitute when stock or temperature requirements vary. All variants are listed in the alternatives section below.
Hey Google, what can replace the EP1SGX25DF672I5 on the same PCB?
Same-board drop-in replacements for the EP1SGX25DF672I5 include the EP1SGX25DF672C5, EP1SGX25DF672C6, and EP1SGX25DF672C7, all in the 672-ball FC-FBGA footprint. They differ only in temperature grade and speed bin, so choose the replacement based on the temperature window and timing margin your design requires. For military applications, the I5 grade is the only direct match.
EP1SGX25DF672I5 vs EP1SGX25DF672C7 - which is better for military use?
For military applications requiring operation from -55C to +125C, the EP1SGX25DF672I5 is the only correct choice because the EP1SGX25DF672C7 is rated for commercial 0C to +85C operation. The C7 part is faster in terms of speed grade but will fail electrical specifications outside its commercial window. For cost-sensitive designs that never leave temperature-controlled environments, the C7 offers better timing margin.
What are the key specifications of EP1SGX25DF672I5 that engineers should know?
Key specifications of the EP1SGX25DF672I5 are: 25,660 logic elements, 2,566 CLBs, 1,944,576 embedded memory bits, 1.5 V core supply, 130 nm CMOS process, 672-ball FC-FBGA package, and military temperature grade -55C to +125C. According to the Stratix GX device handbook, the part integrates multi-gigabit transceivers suitable for line rates from 1 Gbps to 3.125 Gbps. Quartus II software is required for design entry and synthesis.

Engineering reference data for EP1SGX25DF672I5 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX25DF672I5 when you need a high-density Stratix GX FPGA rated for the full military -55C to +125C temperature window, with integrated multi-gigabit transceivers for chip-to-chip, backplane, or Serial RapidIO links. The 25,660 logic elements and 1,944,576 embedded memory bits accommodate moderate-density PHY plus MAC plus application logic in a single device. For commercial or industrial deployments, select the EP1SGX25DF672C5/C6/C7 instead to reduce cost without sacrificing package or pinout. For designs requiring only logic and DSP without high-speed serial I/O, the non-GX EP1S25F672I7 provides comparable logic density without transceiver overhead. Because the entire Stratix GX family is now NRND, new designs should target Stratix IV GX, Stratix V GX, or current Agilex families for long-term support.

Comparison with Alternatives

Parameter This Product EP1SGX25DF672C5 EP1SGX25DF672C6 EP1SGX25DF672C7 EP1SGX25DF672C7N EP1SGX25CF672C7
Brand Altera Altera Altera Altera Altera Altera
Package 672-ball FC-FBGA 672-ball FC-FBGA - same 672-ball FC-FBGA - same 672-ball FC-FBGA - same 672-ball FC-FBGA - same 672-ball FC-FBGA - same
Logic Elements 25,660 25,660 25,660 25,660 25,660 25,660
Temperature Grade Military (I5, -55C to +125C) Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C)
Speed Grade I5 C5 (fastest commercial) C6 C7 (slowest commercial) C7 (Pb-free finish) C7 (CF core variant)
Core Supply Voltage 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Process Technology 130 nm CMOS 130 nm CMOS 130 nm CMOS 130 nm CMOS 130 nm CMOS 130 nm CMOS
Embedded Memory Bits 1,944,576 1,944,576 1,944,576 1,944,576 1,944,576 1,944,576
Lifecycle Status NRND NRND NRND NRND NRND NRND

Key Differentiators

  • Military temperature grade (-55C to +125C) (vs EP1SGX25DF672C5)
  • Integrated multi-gigabit transceivers (vs EP1S25F672I7 (non-GX Stratix))
  • Flip-chip FC-FBGA package (vs Wire-bond BGA variants in same family)

Design Notes

The 672-ball FC-FBGA package has a fine ball pitch (typically 1.0 mm) that requires microvia or via-in-pad PCB technology for reliable breakout routing. Standard through-hole vias cannot be placed within the BGA land pattern, so plan stack-up with sequential lamination and high-density interconnect (HDI) from the start. Allow at least four PCB layers dedicated to high-speed transceiver routing beneath the device to maintain 100 ohm differential impedance for serial lanes.

Estimated: in still air without heatsinking, the FC-FBGA package dissipates thermal energy primarily through the PCB. At a typical 130 nm Stratix GX core power of 4 to 6 W during full transceiver utilization, expect junction temperature rise of 18 to 28 C/W depending on copper area and airflow. Use thermal vias under the package and at least four PCB inner planes stitched with thermal vias to keep Tj below the 125 C military limit. Reference Altera AN 465 for thermal management guidance.

Differential transceiver lanes must use 100 ohm controlled-impedance routing with continuous reference plane and AC-coupling capacitors placed close to the receiver pins. Match trace lengths within each lane to within 5 mils to avoid inter-symbol interference, and use series capacitors between 0.01 uF and 0.1 uF with broadband RF response. Configure pre-emphasis and equalization settings through the Quartus II ALT2GXB megafunction to compensate for channel loss.

Do not substitute a commercial-grade (C5/C6/C7) part into a design whose thermal profile extends outside 0C to +85C - electrical parameters are only guaranteed within that window. The military I5 grade is required for any deployment that may see temperatures above 85C or below 0C. Also confirm Quartus II version compatibility; older Quartus releases may not support newer configuration bitstreams and the I5 speed grade.

Compliance Information

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

Compliance status not explicitly stated in the Verified Web Data for this MPN. The 'N' suffix on related variants (e.g. EP1SGX25DF672C7N) indicates lead-free terminal finish per Altera naming convention, but specific RoHS/REACH compliance certificates should be requested from Altera/Intel for the I5 grade.

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 EP1SGX25DF672I5 EP1SGX25DF672C5 EP1SGX25DF672C6 EP1SGX25DF672C7 Stratix GX FPGA Field Programmable Gate Array Configurable Logic Block CLB logic element FC-FBGA BGA flip-chip BGA 130 nm CMOS 1.5 V core supply multi-gigabit transceiver Serial RapidIO Gigabit Ethernet military temperature grade AEC-Q100 RoHS lead-free embedded memory DSP block phase-locked loop Quartus II
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