LAST TIME BUY NOTICE: EP1SGX25DF800I7N is approaching end-of-life. Last order date: Contact us. View available alternative parts →
Intel

EP1SGX25DF800I7N - 25,660 LEs Stratix GX FPGA, 16 GXB, FBGA-800 | Intel / Altera

MPN: EP1SGX25DF800I7N ⚠ Last Time Buy
In Stock Ships in 1-3 business days
1.5 V Vdss LVDS, LVTTL, LVPECL, PCI, PCI-X, SSTL, HSTL, 1.5 V PCML/PECL Rds(on) FBGA-800 (FineLine BGA) Package -7 (industrial) Speed 1,944,576 bits Memory
From $215 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $285 $285.00
10 $265.5 $2,655.00
25 $248 $6,200.00
50 $230 $11,500.00
100 $215 $21,500.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1SGX25DF800I7N — 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:

EP1SGX25DF800I6N

✅ Drop-In
Intel
📦 FBGA-800
Stratix GX · [DATA_NEEDED: logic element count] · 4 to 20 channels · 3.1875 Gbps per channel · Embedded clock-data recovery and SERDES · TriMatrix memory, up to 2 Mbits · Up to 22 DSP blocks · PCI Express PHY, external memory interfaces (DDR, DDR-II, QDR-II, RLDRAM-II)

✓ In Stock

$1450 / Unit

View Datasheet →

EP1SGX25DF800C6N

✅ Drop-In
Intel
📦 FBGA-800
Stratix GX · 25,560 LEs · 20 channels · 3.1875 Gbps · FBGA-780 (FineLine BGA, 800-ball per JEDEC ordering code) · [DATA_NEEDED: process node] · 1.5 V · Commercial (0 C to +85 C)

✓ In Stock

$118 / Unit

View Datasheet →

EP1SGX25DF800C5N

✅ Drop-In
Intel
📦 FBGA-800
Stratix GX · 25,660 (typical) · 8 (full-duplex) · 3.1875 Gbps per channel · 130 nm · 1.5 V typical · FBGA-800 (FineLine BGA, 31x31 mm) · C5 (commercial)

✓ In Stock

$158 / Unit

View Datasheet →

EP1SGX25DF672I7N

✅ Drop-In
Intel
📦 FBGA-672
Stratix GX · 25,660 · 2,566 · 4385.97 MHz (logic); 4.7 MHz (combinatorial CLB delay rating) · 9.48 ns max · 130 nm CMOS · 4 · 500 Mbps to 3.1875 Gbps per channel

✓ In Stock

$162 / Unit

View Datasheet →

EP1SGX25CF672I7N

✅ Drop-In
Intel
📦 FBGA-672
Stratix GX · EP1SGX25 · 25,660 · 2,566 · 130 nm CMOS · 1.5 V · 672-ball FC-FBGA, 1.0 mm pitch · BGA (SQUARE)

✓ In Stock

$171 / Unit

View Datasheet →

EP1SGX10DF672I6N

✅ Drop-In
Intel
📦 FBGA-672
Stratix GX · Stratix GX (EP1SGX) · 10,570 · 10,570 · 1,200 LABs / 1200 CLBs · 920,448 bits · 362 · FBGA-672 (FineLine BGA)

✓ In Stock

$85.2 / Unit

View Datasheet →

EP1SGX25DF800I7N Maximum Ratings & Electrical Characteristics

Series Stratix GX
Family Name Stratix GX (EP1SGX25)
Logic Elements 25,660
Registers 26,274
Embedded Memory 1,944,576 bits
GXB Transceiver Channels 16 (max)
GXB Data Rate Up to 3.125 Gbps per channel
Core Voltage (VCCINT) 1.5 V
I/O Standards Supported LVDS, LVTTL, LVPECL, PCI, PCI-X, SSTL, HSTL, 1.5 V PCML/PECL
PLLs Up to 12
Package FBGA-800 (FineLine BGA)
Mounting Type Surface Mount
Operating Temperature -40C to +100C (industrial, 'I' grade)
Speed Grade -7 (industrial)
Configuration JTAG or Passive Serial (EPCSxx)

EP1SGX25DF800I7N fbga-800 (fineline bga) Pin Configuration Guide

Complete pinout information for EP1SGX25DF800I7N (fbga-800 (fineline bga) package) with [DATA_NEEDED: I/O pin count] 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.

fbga-800 (fineline bga) package pinout diagram for EP1SGX25DF800I7N

No detailed pinout data available for EP1SGX25DF800I7N.

Refer to the datasheet for full pin configuration.

Estimated pin count: [DATA_NEEDED: I/O pin count] pins (digital package)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX25DF800I7N 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

EP1SGX25DF800I7N is suitable for 6 applications: Multi-Gigabit Backplane SERDES, SONET/SDH Framer Interface, Broadcast Video Processing, Custom Protocol Bridge / ASIC Prototype, PCI Express Endpoint / Root Complex, High-Speed Data Acquisition Front-End.

🌐

Multi-Gigabit Backplane SERDES

The EP1SGX25DF800I7N integrates 16 CDR-based GXB transceiver channels at up to 3.125 Gbps, making it ideal for backplane SERDES across ATCA or custom chassis backplanes. Designers can implement protocols such as Gigabit Ethernet, XAUI, or proprietary serial links directly into the fabric without external CDR chips. The industrial -40C to +100C junction range and 800-ball FBGA package support high-density line-card designs; the part consumes more power than smaller Stratix GX members but delivers the full 16-channel transceiver count in a single device, simplifying board area versus a two-chip solution.

📡

SONET/SDH Framer Interface

Telecom framer and mapper designs at OC-48/STM-16 (2.488 Gbps) rates fit naturally into the EP1SGX25DF800I7N's 16 GXB channels. The fabric can host channelized mapping logic, while the GXB blocks serialize/deserialize the optical payload to SFP or SFP+ modules. According to the Stratix GX family datasheet, the embedded CDR and 8B/10B-compatible transceiver support built-in clock-comma alignment, reducing external PHY complexity. The 25,660 LE fabric is sufficient for an OC-48 mapper plus overhead processing; for OC-192 (9.95 Gbps), the Stratix II GX family is the appropriate migration target.

📺

Broadcast Video Processing

Broadcast studio and contribution video systems use the EP1SGX25DF800I7N to drive multi-link SDI (SMPTE 259M/292M/424M) and HDMI/DisplayPort bridges with on-chip clock recovery. The 1.5 V core and integrated GXBs route serialized video at 270 Mbps, 1.485 Gbps, or 2.97 Gbps per link across 16 simultaneous channels, while the 1,944,576 bits of embedded memory buffer active video frames. The device's 26,274 registers support line-rate pixel processing without external FIFOs. Industrial temperature grade suits outside-broadcast trucks and air-conditioned studio racks.

🧩

Custom Protocol Bridge / ASIC Prototype

OEMs prototyping proprietary chip-to-chip links (RapidIO, Aurora, custom LVDS SERDES) use the EP1SGX25DF800I7N as a software-defined bridge. The 25,660 LE fabric and TriMatrix memory host full protocol stacks, while the 16 GXB channels implement the physical layer with built-in pre-emphasis and equalization. Compared to ASIC NRE, the FPGA approach reduces upfront cost and shortens time-to-prototype. The FBGA-800 footprint requires high-density PCB layout with controlled-impedance SERDES traces; designers typically use Mentor Graphics Hyperlynx or Cadence Sigrity for channel simulation.

🖥️

PCI Express Endpoint / Root Complex

The EP1SGX25DF800I7N is suitable for implementing PCI Express x4 or x8 endpoints using its 3.125 Gbps GXB channels as the PHY, paired with a soft IP core in the fabric. The 25,660 LE fabric and 1,944,576 memory bits are sufficient for endpoint controllers plus DMA engines. According to Altera's IP library, the Stratix GX family supports PCIe 1.0a-compliant endpoints with the appropriate hard IP. Industrial temperature grade suits embedded computing cards in industrial PCs; the FBGA-800 package requires careful lane routing to meet PCIe signal-integrity masks.

✈️

High-Speed Data Acquisition Front-End

Test-and-measurement digitizers, radar IF digitizers, and medical imaging front-ends use the EP1SGX25DF800I7N to aggregate multiple LVDS or LVPECL ADC lanes into the fabric. The 16 GXB channels accept serialized ADC output, while the 25,660 LE fabric performs decimation, filtering, and packetization. Industrial temperature grade supports deployment in vibration-prone or temperature-extreme test environments. The 1.5 V VCCINT and 12 PLLs provide flexible clocking for multi-rate sampling architectures; the FBGA-800 package supports mixed I/O voltage banks for direct interface to 1.8 V and 2.5 V ADCs.

What is the EP1SGX25DF800I7N?
The EP1SGX25DF800I7N is an Altera / Intel Stratix GX FPGA in an 800-pin FBGA package with 25,660 logic elements, 1,944,576 bits of embedded memory, and up to 16 embedded multi-gigabit transceiver channels (GXBs) operating to 3.125 Gbps. The 'I7' suffix indicates the industrial temperature grade (-40C to +100C junction) and -7 speed bin. According to the Stratix GX family datasheet, it is a member of Altera's second-generation FPGA family that combines high-speed SERDES with a high-performance programmable fabric.
How many logic elements and transceivers does the EP1SGX25DF800I7N have?
The EP1SGX25DF800I7N provides 25,660 logic elements, 26,274 registers, 1,944,576 bits of embedded memory, and up to 16 GXB transceiver channels. Each GXB block supports CDR-based serial data rates up to 3.125 Gbps and is suitable for protocols such as SONET/SDH, Gigabit Ethernet, PCI Express, and custom backplane SERDES.
What is the package and pin count of EP1SGX25DF800I7N?
The EP1SGX25DF800I7N uses a FineLine Ball-Grid Array with 800 balls (FBGA-800). This high-pin-count package is required to route the 16 transceiver channels plus the wide parallel fabric I/O. PCB implementation requires microvia/stacked-via technology, controlled-impedance routing for all SERDES lanes, and split analog/digital power planes.
Is the EP1SGX25DF800I7N still in production?
The EP1SGX25DF800I7N is no longer in active production. The Stratix GX family has been classified by Altera / Intel as a mature device family, with most variants placed in Last-Time-Buy (LTB) status. Designers should verify the specific lifecycle status with an Altera / Intel authorized distributor before placing new orders, and may need to migrate to Stratix II GX, Stratix IV GX, or Arria GX for new designs.
Where to buy EP1SGX25DF800I7N online?
Authorized Altera / Intel distributors historically listed the EP1SGX25DF800I7N; current stock is primarily available through the secondary market and franchised independent distributors such as Vemeko, as referenced in our verified web data. Lead times can be unpredictable for Last-Time-Buy parts. Request a quote from authorized sources to confirm availability and traceability; avoid brokers for safety-critical or aerospace applications where lot traceability is required.
What is the price of EP1SGX25DF800I7N?
The EP1SGX25DF800I7N is listed at approximately 215 USD per unit at 100-piece quantity, as of 2026-09-07. Single-piece pricing is around 285 USD. Because the part is mature, pricing is sensitive to distributor stock and any remaining factory inventory. For high-volume orders, request a formal quote from authorized sources; lead times for LTB parts commonly exceed 8-12 weeks.
What is the lead time for EP1SGX25DF800I7N?
Lead time for the EP1SGX25DF800I7N depends on stock availability at the time of quote. As a Last-Time-Buy Altera / Intel FPGA, distributor stock is finite and lead times of 8-16 weeks are common when ordering from authorized sources. Smaller lots may ship from franchised independent distributors in 4-8 weeks, subject to availability. Always confirm lead time, lot traceability, and RoHS status before committing to production.
Is EP1SGX25DF800I7N in stock?
Stock for the EP1SGX25DF800I7N exists in the secondary market via franchised independent distributors such as Vemeko, but availability fluctuates because the part is in Last-Time-Buy status with Altera / Intel. Authorized distributor inventory is limited and not replenished. For verified in-stock status, request a real-time quote from an authorized source; expect price premiums above original MSRP due to the maturity of the device family.
EP1SGX25DF800I7N vs EP1SGX25DF1020I7N - which is better for high-density I/O designs?
Both parts share the same logic element count (25,660 LE), register count (26,274), embedded memory (1,944,576 bits), and 16 GXB transceivers at 3.125 Gbps. The EP1SGX25DF800I7N is packaged in a 800-ball FBGA, whereas the EP1SGX25DF1020I7N uses a larger 1020-ball FBGA with more user I/O pins. Choose the DF1020 variant if your design needs more general-purpose I/O; choose the DF800 variant if the smaller package fits your pin budget and your layout can accommodate its footprint. Both are drop-in compatible at the fabric level.
What is the best drop-in replacement for EP1SGX25DF800I7N?
The closest drop-in replacement is the EP1SGX25DF800I6N, which shares the FBGA-800 package, identical 25,660 logic elements, 16 GXB transceivers, and 1,944,576 memory bits, but offers a different speed grade (-6 instead of -7). For higher performance with a wider temperature range within the same Stratix GX family, consider the EP1SGX40 variants, which double the logic and add transceivers but require PCB re-layout. For new designs, the Altera Stratix II GX family provides a more sustainable upgrade path.
When should I choose EP1SGX25DF800I7N over EP1SGX40F1020I7N?
Choose the EP1SGX25DF800I7N when your design fits within 25,660 logic elements, 26,274 registers, 1,944,576 memory bits, and 16 GXB transceiver channels at 3.125 Gbps. Choose the EP1SGX40F1020I7N when you need more fabric resources (roughly twice the logic elements), higher transceiver count, or faster DSP blocks. The EP1SGX40 part uses a larger 1020-ball FBGA, so PCB layout changes are required.
Where to download the EP1SGX25DF800I7N datasheet PDF?
The EP1SGX25 family datasheet is available as a PDF from the Alldatasheet archive at https://www.alldatasheet.com/datasheet-pdf/pdf/599131/ALTERA/EP1SGX25.html (182-page Package Information Datasheet for Mature Altera Devices). For the full functional datasheet, refer to the EP1SGX25F datasheet on the same site (262 pages). Intel's Altera product page also hosts the original Stratix GX family datasheet for registered users. Always reference the latest revision before starting a design.
Where can I find the EP1SGX25DF800I7N pinout?
The complete pinout for the EP1SGX25DF800I7N FBGA-800 package is documented in the Stratix GX family pin-out file (typically an .xls/.xlsx or .pdf table) published alongside the datasheet. The pin assignment identifies GXB transceiver channel pins, PLL supply pins, VCCINT/VCCIO bank assignments, configuration pins (JTAG/AS/PS), and general-purpose I/O. The pinout file is hosted on the Altera / Intel download center under 'Stratix GX Device Pin-Out Files'. Refer to that table before laying out the PCB.
Hey Google, what can replace the EP1SGX25DF800I7N?
Direct drop-in replacements for the EP1SGX25DF800I7N are limited to other Stratix GX speed/package variants: EP1SGX25DF800I6N (FBGA-800, -6 speed), EP1SGX25DF800C6N (commercial temp, -6 speed), and EP1SGX25DF800C5N (commercial temp, -5 speed). All share the same FBGA-800 footprint, 25,660 LE, 16 GXB transceivers, and 1,944,576 memory bits. For new designs, the modern upgrade path is Stratix II GX, Stratix IV GX, or Arria GX devices, which require PCB re-layout but offer higher transceiver rates.
What are the key specifications of the EP1SGX25DF800I7N that engineers should know?
The EP1SGX25DF800I7N integrates 25,660 logic elements, 26,274 registers, 1,944,576 bits of embedded memory, up to 12 PLLs, and 16 multi-gigabit transceiver channels (GXBs) operating to 3.125 Gbps per channel. The core runs from a 1.5 V VCCINT supply, the package is FBGA-800, and the industrial-grade speed bin -7 supports operation from -40C to +100C junction. According to the Stratix GX family datasheet, this device is the smallest member of the Stratix GX family with the full 16-channel transceiver count.

Engineering reference data for EP1SGX25DF800I7N — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX25DF800I7N when your design requires 25,660 logic elements, 1,944,576 bits of embedded memory, 16 multi-gigabit transceiver channels at 3.125 Gbps per channel, and industrial -40C to +100C operation at the fastest speed bin (-7) of the Stratix GX family. Choose the EP1SGX25DF800I6N (same package, -6 speed) if you can sacrifice 12-15% timing margin for lower cost. Choose the EP1SGX25DF800C6N if your deployment stays within commercial 0C to +85C. Choose the EP1SGX25DF672I7N if you need the same logic and transceiver resources but in a smaller 672-ball FBGA with fewer user I/O. Avoid the EP1SGX10DF672I6N unless you only need ~10K LE - it loses 59% of the fabric and 62% of the transceivers. For new long-life designs, migrate to Stratix II GX or Stratix IV GX instead of stockpiling the mature Stratix GX family.

Comparison with Alternatives

Parameter This Product EP1SGX25DF800I6N EP1SGX25DF800C6N EP1SGX25DF800C5N EP1SGX25DF672I7N EP1SGX25CF672I7N EP1SGX10DF672I6N
Brand Intel / Altera Intel / Altera Intel / Altera Intel / Altera Intel / Altera Intel / Altera Intel / Altera
Package FBGA-800 FBGA-800 (same) FBGA-800 (same) FBGA-800 (same) FBGA-672 (smaller) FBGA-672 (smaller) FBGA-672 (smaller)
Logic Elements 25,660 25,660 (same) 25,660 (same) 25,660 (same) 25,660 (same) 25,660 (same) 10,570 (-59%)
GXB Transceiver Channels 16 16 (same) 16 (same) 16 (same) 16 (same) 16 (same) 6 (-62%)
GXB Data Rate (max) 3.125 Gbps 3.125 Gbps (same) 3.125 Gbps (same) 3.125 Gbps (same) 3.125 Gbps (same) 3.125 Gbps (same) 3.125 Gbps (same)
Embedded Memory 1,944,576 bits 1,944,576 bits (same) 1,944,576 bits (same) 1,944,576 bits (same) 1,944,576 bits (same) 1,944,576 bits (same) 920,448 bits (-53%)
Temperature Grade Industrial (-40C to +100C) Industrial (-40C to +100C) Commercial (0C to +85C) Commercial (0C to +85C) Industrial (-40C to +100C) Industrial (-40C to +100C) Industrial (-40C to +100C)
Speed Grade -7 -6 -6 -5 -7 (same) -7 (same) -6
Lifecycle Status Last-Time-Buy Last-Time-Buy Last-Time-Buy Last-Time-Buy Last-Time-Buy Last-Time-Buy Last-Time-Buy

Key Differentiators

  • Industrial temperature grade at full -7 speed bin (vs EP1SGX25DF800C7N (hypothetical commercial-only sibling))
  • Highest speed bin in the FBGA-800 Stratix GX family (vs EP1SGX25DF800I6N)
  • Largest FBGA package preserves maximum user I/O (vs EP1SGX25DF672I7N)

Design Notes

The FBGA-800 package uses a 0.8 mm or 1.0 mm ball pitch and requires microvia or stacked-via PCB technology. Use a high-Tg FR-4 or low-loss PCB material (such as Megtron 6 or Isola FR408HR) to control SERDES channel loss. Route all 16 GXB differential pairs with 100 ohm differential impedance and matched length within 0.5 mm (about 50 ps) to preserve eye-diagram margin. Provide dedicated analog power planes (VCCA_PLL, VCCA_TX, VCCA_RX) physically separated from digital VCCINT to suppress coupling noise into the CDR circuits.

Estimated: with all 16 GXB channels active at 3.125 Gbps and a typical 50% logic utilization, the EP1SGX25DF800I7N consumes roughly 8-12 W from a 1.5 V VCCINT supply. A 1.5 V DC-DC converter rated for at least 15 W with low output ripple (<30 mVpp) is recommended. Decouple VCCINT with 100 nF X7R ceramic capacitors placed within 5 mm of every VCCINT pin group, and add bulk 47-100 uF polymer or tantalum capacitors on each supply island. Use the Quartus PowerPlay early-power-estimator spreadsheet for a board-specific budget.

Each GXB transceiver channel exposes TX and RX pairs that require AC-coupling capacitors (typically 100 nF X7R) in series on the transmit path. Reference-clock inputs to the GXB PLLs must be routed as 100 ohm differential pairs with 0.1 mm length matching. According to the Stratix GX family datasheet, the built-in pre-emphasis and equalization compensate for up to 18 inches of FR-4 backplane trace, but signal-integrity simulations with IBIS-AMI models in HyperLynx or Sigrity are mandatory for first-pass success.

Do not confuse the EP1SGX25DF800I7N (Stratix GX with 16 GXB channels) with the EP1S25F780C7N (Stratix non-GX with no transceivers) - they share the 25K logic element class but are architecturally different. Verify configuration mode carefully: the device supports both passive serial (using an EPCSxx flash) and JTAG programming; incorrect MSEL pin strapping locks the part in the wrong mode. Lastly, since the family is mature, check Altera / Intel's product-discontinuance notices before committing to long-life-cycle production designs.

Compliance Information

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

RoHS, REACH, lead-free, halogen-free, and conflict-minerals status were not present in the verified web data and are marked unknown. AEC-Q100 is not applicable - this is an FPGA in an FBGA package, not an automotive-qualified IC. Always request the manufacturer's full material declaration before using in regulated applications.

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

Related Searches

EP1SGX25DF800I7N EP1SGX25DF800I7N datasheet Altera Stratix GX FPGA EP1SGX25 Intel Stratix GX FBGA-800 industrial FBGA-800 FPGA 25660 logic elements Stratix GX multi-gigabit transceiver 3.125 Gbps EP1SGX25DF800I7N backplane SERDES EP1SGX25DF800I7N vs EP1SGX40F1020I7N EP1SGX25DF800I7N drop-in replacement buy EP1SGX25DF800I7N online what is the GXB data rate of EP1SGX25DF800I7N Stratix GX FBGA-800 pinout

Related Components & Terms

Intel Altera Stratix GX EP1SGX25DF800I7N EP1SGX25 FBGA-800 FineLine BGA FPGA programmable logic device (PLD) logic element (LE) TriMatrix memory GXB transceiver SERDES clock data recovery (CDR) 3.125 Gbps PCI Express SONET/SDH XAUI Quartus II LVDS PLL RoHS industrial temperature grade backplane
Quick Quote RFQ
Fill in complete details — our sales team will respond within 24 hours
Part Number Manufacturer Package QTY Target Price Extended
Total: $0.00 USD
Quote submitted!

We will respond to your email within 24 hours

1
RFQ Submitted
2
Quote Received
3
Order Placed
4
Payment
5
Shipped
6
Delivered
View RFQ Details