Intel

EP1SGX25CF672I6 - 25K LEs Stratix GX FPGA, 672-FBGA | Intel

MPN: EP1SGX25CF672I6 ✗ End of Life
In Stock Ships in 1-3 business days
1.425 V to 1.575 V (1.5 V typical) Vdss 672-ball FBGA (27 x 27 mm, 1 mm pitch) Package Up to 5000 MHz 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 EP1SGX25CF672I6 — 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:

EP1SGX25CF672I6N

✅ Drop-In
Intel
📦 672-FBGA (CF672, 27x27 mm)
Stratix GX · 25,660 · 2,852 · 2,566 · 455 · 130 nm CMOS · 1.5 V · 672-ball FBGA (FCBGA), 27 x 27 mm, 1 mm pitch

✓ In Stock

$171 / Unit

View Datasheet →

EP1SGX25CF672C7N

✅ Drop-In
Altera
📦 672-FBGA (CF672, 27x27 mm)
Stratix GX · 25660 · 2566 · 455 · 1944576 · Up to 20 · Up to 3.1875 Gbps · 1.5 V

✓ In Stock

$338.5 / Unit

View Datasheet →

EP1SGX25CF672C7

✅ Drop-In
Altera
📦 672-FBGA (CF672, 27x27 mm)
Stratix® GX · 25,660 · 2,566 · 1,944,576 · 455 · 455 · 1.5 V · 130 nm CMOS

✓ In Stock

$340 / Unit

View Datasheet →

EP1SGX25CF672C6N

✅ Drop-In
Intel
📦 672-FBGA (CF672, 27x27 mm)
Stratix GX · 25,660 · 2,852 · 2,566 · 1,944,576 · 455 · 130 nm CMOS · 1.5 V

✓ In Stock

$210 / Unit

View Datasheet →

EP1SGX25CF672C6

✅ Drop-In
Intel
📦 672-FBGA (CF672, 27x27 mm)
Stratix GX · 25660 · 2852 LABs · 455 · 1944576 · 4 to 20 (SERDES up to 3.1875 Gbps) · 130 nm CMOS · 1.5 V

✓ In Stock

$171 / Unit

View Datasheet →

EP1SGX25CF672C5

✅ Drop-In
Altera
📦 672-FBGA (CF672, 27x27 mm)
Stratix® GX · Stratix I GX · 25,660 · 2,566 · 1,944,576 · 455 · 12 · 14 (18x18)

✓ In Stock

$1304.99 / Unit

View Datasheet →

EP1SGX25-CF672-I6

✅ Drop-In
Altera
📦 672-FBGA (CF672, 27x27 mm)
Stratix GX · 25,660 · 2,566 · 1,944,576 · 14 · 455 · Up to 20 channels, 3.125 Gbps per channel · 8

✓ In Stock

$168 / Unit

View Datasheet →

EP1SGX25CF672I6 Maximum Ratings & Electrical Characteristics

Family Stratix GX
Logic Elements 25,660
Logic Array Blocks (LABs) 2,566
Total RAM Bits 1,944,576
User I/O Pins 455
Core Supply Voltage 1.425 V to 1.575 V (1.5 V typical)
Process Technology 130 nm CMOS
Internal Clock Performance Up to 5000 MHz
Package 672-ball FBGA (27 x 27 mm, 1 mm pitch)
Mounting Type Surface Mount
Operating Junction Temperature -40C to +100C
RoHS Status Compliant (lead-free FBGA)
Lead-Free Yes

EP1SGX25CF672I6 672-ball fbga (27 x 27 mm, 1 mm pitch) Pin Configuration Guide

Complete pinout information for EP1SGX25CF672I6 (672-ball fbga (27 x 27 mm, 1 mm pitch) package) with 455 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.

672-ball fbga (27 x 27 mm, 1 mm pitch) package pinout diagram for EP1SGX25CF672I6

No detailed pinout data available for EP1SGX25CF672I6.

Refer to the datasheet for full pin configuration.

Estimated pin count: 455 pins (digital package)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1SGX25CF672I6 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

EP1SGX25CF672I6 is suitable for 6 applications: Multi-Gigabit Serial Backplane Routing, Broadcast Video Editing Systems, Software-Defined Radio (SDR) Platforms, PCI Express Endpoint Cards, Telecom Line Card Aggregation, High-Speed Test and Measurement Instrumentation.

🌐

Multi-Gigabit Serial Backplane Routing

The EP1SGX25CF672I6 integrates up to twenty SERDES channels at data rates up to 3.125 Gbps per the Stratix GX handbook, enabling direct backplane serial links without external PHY chips. With 455 user I/O pins and 25,660 logic elements, the device can implement custom MAC-layer packet processing, link-state management, and aggregation logic alongside the serial I/O. Channel-bonding to standards such as SerialLite II, XAUI (4x3.125 Gbps), and PCI Express x4/x8 reduces board area and BOM cost in chassis-to-chassis interconnects.

📺

Broadcast Video Editing Systems

The EP1SGX25CF672I6's combination of 1.94 Mbit embedded RAM, 16 DSP blocks (per the Stratix GX handbook), and multi-gigabit serial transceivers suits uncompressed HD-SDI video routers and editing systems. The fabric performs real-time color-space conversion, frame-buffer management, and embedded audio de-embed/re-embed, while the SERDES links transport SDI streams to back-end storage. The 455 I/O count accommodates parallel video bus capture alongside serial I/O on the same device.

📻

Software-Defined Radio (SDR) Platforms

The EP1SGX25CF672I6 supports SDR waveform implementation through its DSP block array (224 GMACS performance per the Stratix GX handbook), high-speed ADC/DAC interfaces, and SERDES for digital RF data transport. The 25K logic elements implement channelization, FFT/iFFT engines, and modulation/demodulation algorithms, while SERDES links provide low-latency paths to RF front-end digitizers. Industrial temperature range (-40C to 100C) supports outdoor and military SDR installations.

🖥️

PCI Express Endpoint Cards

The EP1SGX25CF672I6's hard PCI Express IP core supports x1, x4, and x8 endpoint implementations at 2.5 Gbps per lane through the embedded SERDES, eliminating external PHY silicon. The 25,660 logic elements and 1.94 Mbit block RAM implement protocol stack, DMA engines, and application logic for add-in cards. The 672-FBGA package supports differential SERDES pairs plus 455 user I/O for external memory and connector interfaces, suitable for server and workstation add-in cards.

🏭

Telecom Line Card Aggregation

Telecom line cards use the EP1SGX25CF672I6 to bond SERDES channels for SPI-3/SPI-4.2, RapidIO, and proprietary backplane links at gigabit rates per the Stratix GX handbook. The fabric implements TDM framer/deframer, packet classification, and traffic management with the on-chip DSP and block RAM. The 1.5V core, multi-rail I/O banks (LVTTL, LVCMOS, SSTL, HSTL, LVDS), and industrial temperature rating suit central-office deployments.

🔬

High-Speed Test and Measurement Instrumentation

The EP1SGX25CF672I6 provides 455 I/O pins for parallel ADC/DAC interfacing and SERDES channels up to 3.125 Gbps for captured-data streaming to host processors, making it well suited for high-end oscilloscopes, logic analyzers, and protocol testers. The 25K logic elements implement real-time triggering, pattern generation, and on-device statistics, while the 1.94 Mbit block RAM serves as deep sample buffer memory. Industrial temperature rating supports lab and field-test environments.

What is the EP1SGX25CF672I6?
The EP1SGX25CF672I6 is an Intel (formerly Altera) Stratix GX family field-programmable gate array with 25,660 logic elements, 1,944,576 bits of embedded RAM, 2,566 LABs, and 455 user I/O pins in a 672-ball FBGA package. According to the Stratix GX device handbook, the 'I6' suffix denotes industrial-grade junction temperature of -40C to 100C and the 'CF672' package code denotes the 672-ball FBGA form factor.
How many transceivers does the EP1SGX25CF672I6 have?
The EP1SGX25CF672I6 is part of the Stratix GX family that integrates dedicated multi-gigabit SERDES channels supporting data rates up to 3.125 Gbps per channel. According to the Altera Stratix GX device data sheet, exact channel count per package option requires cross-reference with the Stratix GX handbook transceiver pin tables. The CF672 (672-FBGA) variant exposes the full transceiver array.
What package does the EP1SGX25CF672I6 use?
The EP1SGX25CF672I6 uses a 672-ball FineLine BGA package measuring 27 mm x 27 mm with a 1.0 mm ball pitch. According to the Altera package specifications, this is a lead-free, surface-mount BGA with peripheral and array I/O bank assignments detailed in the Stratix GX pin connection guidelines.
Is the EP1SGX25CF672I6 still in production?
The EP1SGX25CF672I6 is a member of the legacy Stratix GX family and is generally classified as obsolete/end-of-life (EOL) by Intel/Altera, having been superseded by Stratix II GX, Stratix III, Stratix IV GX, and Stratix V GX families. Excess-stock and authorized-channel inventory may still be available through brokers such as DigiKey, Mouser, and ExcessChip (as of 2026-09-07).
What is the operating voltage of EP1SGX25CF672I6?
The EP1SGX25CF672I6 operates with a core supply voltage of 1.425 V to 1.575 V (1.5 V nominal), supported by separate PLL analog supply (VCCA_PLL), transceiver supply (VCCH), and I/O bank supply rails per the Stratix GX handbook. Per-pin I/O voltage is configured per bank using the bank's VCCIO supply.
What software is required to program the EP1SGX25CF672I6?
The EP1SGX25CF672I6 is designed for use with Altera Quartus II design software (legacy version 9.1 or earlier recommended). Quartus II provides synthesis, place-and-route, timing analysis, transceiver configuration via ALT2GXB megafunction, and programming file generation. Intel Quartus Prime 17.0 (final version with legacy device support) can also target this device.
What are typical applications for the EP1SGX25CF672I6?
The EP1SGX25CF672I6 is commonly used in multi-gigabit serial backplanes, broadcast video editing systems, software-defined radio (SDR) platforms, PCI Express endpoint cards, SerialLite and RapidIO bridging designs, networking line cards, and high-speed test and measurement equipment. The integrated SERDES channels up to 3.125 Gbps make it ideal where external PHY chips would otherwise be required.
What is the difference between EP1SGX25CF672I6 and EP1SGX25CF672I6N?
The EP1SGX25CF672I6 and EP1SGX25CF672I6N share the same die and 672-ball FBGA package; the 'N' suffix on the EP1SGX25CF672I6N indicates lead-free (Pb-free) packaging. Both are pin-to-pin compatible per the Altera Stratix GX device handbook, with identical logic capacity, RAM, I/O count, and SERDES configuration - making the N variant a drop-in replacement when RoHS/lead-free compliance is required.
Where to download the EP1SGX25CF672I6 datasheet PDF?
The EP1SGX25CF672I6 datasheet is included within the Stratix GX Device Handbook, available from Intel's Altera literature archive at altera.com/content/dam/altera-www/global/en_US/pdfs/literature/hb/stx/stratix_gx_handbook.pdf. The handbook contains DC/AC electrical characteristics, pin tables, package outlines, and SERDES specifications. Authorized distributors such as DigiKey also host the PDF on their product detail pages.
What is the pin count of the EP1SGX25CF672I6?
The EP1SGX25CF672I6 uses a 672-ball fine-pitch FBGA package (part number CF672 in Altera naming). According to Altera's pin connection guidelines, the device exposes 455 user I/O pins, plus dedicated supply, ground, configuration, JTAG, and reference-clock balls on a 27 mm x 27 mm substrate with 1.0 mm ball pitch.
EP1SGX25CF672I6 vs EP1S25F672I7N - which is better?
The EP1SGX25CF672I6 is the Stratix GX family (integrated SERDES up to 3.125 Gbps), while the EP1S25F672I7N is the standard Stratix family (no hard SERDES; external PHY required). For designs needing multi-gigabit serial I/O without an external transceiver chip, choose the EP1SGX25CF672I6. For designs needing only parallel logic and DSP, the EP1S25F672I7N is functionally similar and may be lower cost.
When should I choose EP1SGX25CF672I6 over EP1SGX10CF672C7N?
Choose EP1SGX25CF672I6 when the design needs the higher logic capacity (25,660 LEs vs ~10,570 LEs in the EP1SGX10), more block RAM (1.94 Mbit vs ~0.92 Mbit), and more user I/O (455 vs ~359) of the larger Stratix GX device. Choose EP1SGX10CF672C7N for lower-cost designs where ~10K LEs and the smaller logic fabric suffice. Both share the same 672-FBGA package and Stratix GX SERDES architecture, making footprint migration straightforward.
What is the best drop-in replacement for EP1SGX25CF672I6?
The best drop-in replacement for the EP1SGX25CF672I6 is the EP1SGX25CF672I6N, which uses the same 672-FBGA package, identical die, and identical pinout, with the only difference being the lead-free (Pb-free) ball finish required for RoHS compliance. Per the Stratix GX handbook, both variants are fully pin-compatible and software-compatible in Quartus II.
Is the EP1SGX25CF672I6 RoHS compliant?
Yes, the EP1SGX25CF672I6 ships in a lead-free FBGA package compliant with RoHS / Directive 2002/95/EC. According to Altera's material declaration, the ball composition is lead-free (Sn-Ag-Cu). For full REACH compliance statements and conflict-minerals disclosure, refer to Intel's product material declaration database.
Where to buy EP1SGX25CF672I6 online and what is the price?
The EP1SGX25CF672I6 can be purchased from authorized distributors including DigiKey (digiKey.com part 764017), Mouser, and Octopart-listed excess-stock brokers such as ExcessChip, Ampheo, ICChip, and MicrochipUSA. As of 2026-09-07, distributor pricing for qty-1 is approximately USD 285; volume pricing drops to USD 171 at 1000 pieces. Lead time varies due to the part's legacy classification.

Engineering reference data for EP1SGX25CF672I6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1SGX25CF672I6 when the design requires the full 25,660 logic elements, 1.94 Mbit block RAM, 455 user I/O, and integrated SERDES channels of the Stratix GX family while operating in industrial-temperature environments (-40C to 100C) and requiring RoHS/Pb-free compliance. Choose the EP1SGX25CF672I6N as a drop-in alternative when the same temperature grade and ball finish are required and lead-time for the I6 variant is short. Choose the EP1SGX25CF672C7N or EP1SGX25CF672C7 if the design only operates within 0C to 85C and you need cost savings. Choose the EP1SGX25CF672C6 or EP1SGX25CF672C6N for a slight timing margin relaxation, and EP1SGX25CF672C5 for the slowest, lowest-cost variant. For new designs, evaluate migration to Stratix II GX (EP2SGX) or Stratix IV GX (EP4SGX) for longer lifecycle support.

Comparison with Alternatives

Parameter This Product EP1SGX25CF672I6N EP1SGX25CF672C7N EP1SGX25CF672C7 EP1SGX25CF672C6N EP1SGX25CF672C6 EP1SGX25CF672C5 EP1SGX25-CF672-I6
Brand Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera)
Package 672-FBGA (CF672) 672-FBGA (CF672) - same 672-FBGA (CF672) - same 672-FBGA (CF672) - same 672-FBGA (CF672) - same 672-FBGA (CF672) - same 672-FBGA (CF672) - same 672-FBGA (CF672) - same
Logic Elements 25,660 25,660 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 1,944,576 1,944,576
User I/O 455 455 455 455 455 455 455 455
Temperature Grade Industrial (-40C to 100C) Industrial (-40C to 100C) Commercial (0C to 85C) Commercial (0C to 85C) Commercial (0C to 85C) Commercial (0C to 85C) Commercial (0C to 85C) Industrial (-40C to 100C)
Speed Grade I6 (-6 speed, industrial) I6 (-6) C7 (-7) C7 (-7) C6 (-6) C6 (-6) C5 (-5, slowest) I6 (-6)
Lead-Free (Pb-Free) Yes (Pb-free FBGA) Yes Yes No (leaded) Yes No (leaded) No (leaded) Yes

Key Differentiators

  • Lead-free / Pb-free ball finish required for RoHS-compliant designs (vs EP1SGX25CF672C7 (leaded ball finish))
  • Industrial temperature grade for -40C to 100C operation (vs EP1SGX25CF672C7N (commercial 0C to 85C))
  • I6 speed grade with -6 timing for high-performance designs (vs EP1SGX25CF672C5 (-5 speed, slowest))
  • Full 25K LE density in the Stratix GX family (vs EP1SGX10CF672C7 (10K LE Stratix GX, same package))

Design Notes

The EP1SGX25CF672I6 requires multi-rail decoupling per the Stratix GX handbook. Place 0.1 uF and 0.01 uF X7R capacitors as close as possible to every VCC, VCCIO, VCCA_PLL, and VCCH pin. The PLL analog supply (VCCA_PLL) must be isolated from digital VCC by a ferrite bead and decoupled with a 10 uF tantalum in parallel with 0.1 uF ceramic. SERDES transceiver supplies (VCCH, VCCL) require their own low-noise LDOs (e.g., LT3027) to meet jitter specifications above 3 Gbps.

Estimated: at maximum toggle rate across all 25,660 LEs and active SERDES, the EP1SGX25CF672I6 dissipates approximately 5-8 W depending on logic utilization and transceiver channel count. With theta_JA of approximately 12-15 C/W on a 4-layer JEDEC test board, the junction temperature could rise 60-120 C above ambient. For industrial-grade deployments (junction 100 C max), forced-air airflow or a heatsink with thermal interface material is recommended when sustained logic utilization exceeds 60%.

Differential SERDES pair routing on the EP1SGX25CF672I6 must use 100 ohm differential impedance with matched length within 150 mils per the Stratix GX layout guidelines. Reference-clock routing to dedicated REFCLK pins must be isolated from digital switching signals and routed on inner stripline layers. Place the device on layer 2 with high-speed SERDES breaks to outer layers via stitched ground vias, and avoid routing digital signals directly under the BGA field to minimize crosstalk into the clock network.

Do not assume the EP1SGX25CF672I6 is pin-compatible with newer Stratix II/III/IV/V GX families - those use different die architectures and different BGA ballouts even when package code (F672) is similar. Always re-validate PCB footprint against the target device's package specifications before substitution. Also confirm JTAG chain and configuration scheme (PS, FPP, AS, JTAG) match the target board design, as configuration pin usage may differ between legacy Altera FPGA families.

Compliance Information

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

RoHS-compliant per Altera material declaration; lead-free FBGA ball finish (Pb-free). Industrial temperature grade is not AEC-Q100 qualified (automotive). For automotive applications, evaluate Cyclone IV/V automotive-grade devices instead.

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

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Related Components & Terms

Intel Altera EP1SGX25CF672I6 EP1SGX25CF672I6N EP1SGX25CF672C7N EP1SGX25CF672C7 Stratix GX FPGA Field Programmable Gate Array Programmable Logic Device PLD Logic Element Logic Array Block LAB Block RAM TriMatrix Memory SERDES Multi-Gigabit Transceiver PCI Express SerialLite XAUI RapidIO DSP Block 672-FBGA FineLine BGA BGA Surface Mount Quartus II Quartus Prime JTAG RoHS REACH AEC-Q100 130 nm CMOS Industrial Temperature Grade Core Voltage 1.5 V broadcast video editing software-defined radio telecom line card test and measurement instrumentation multi-gigabit backplane
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