EP1SGX25DF672C7 - Stratix GX FPGA, 25K LE, 672-BGA | Intel / Altera
MPN: EP1SGX25DF672C7 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $168.5 | $1,685.00 |
| 100 | $152 | $15,200.00 |
| 500 | $138.75 | $69,375.00 |
| 1,000 | $125.4 | $125,400.00 |
Drop-in alternatives for EP1SGX25DF672C7 — 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:
EP1SGX25CF672C7
✅ Drop-In✓ In Stock
$340 / Unit
View Datasheet →EP1SGX25CF672C7N
✅ Drop-In✓ In Stock
$338.5 / Unit
View Datasheet →EP1SGX25DF672C6N
✅ Drop-In✓ In Stock
$210 / Unit
View Datasheet →EP1SGX25DF672C6
✅ Drop-In✓ In Stock
$96.5 / Unit
View Datasheet →EP1SGX25DF672C5N
✅ Drop-In✓ In Stock
$1232.25 / Unit
View Datasheet →EP1SGX25DF672C5
✅ Drop-In✓ In Stock
$198 / Unit
View Datasheet →EP1SGX10CF672C7
✅ Drop-In✓ In Stock
$185 / Unit
View Datasheet →EP1SGX25DF672C7 Maximum Ratings & Electrical Characteristics
| Series | Stratix GX |
| Family | Stratix GX |
| Logic Elements (LE) | 25,660 |
| Logic Array Blocks (LABs) | 2,566 |
| Total RAM Bits | 1,944,576 |
| User I/O Count | 455 |
| Embedded DSP Blocks | 14 |
| Embedded Transceivers | Yes (GX family) |
| Process Technology | 0.13 µm CMOS, SRAM-based |
| Core Supply Voltage | 1.425 V to 1.575 V (1.5 V nominal) |
| Operating Temperature | 0 °C to +85 °C (Commercial) |
| Package | 672-FBGA (27 × 27 mm, 1.0 mm pitch) |
| Mounting Type | Surface Mount |
| Lead Free / RoHS | Lead-Free, RoHS Compliant |
| Speed Grade | C7 (moderate Fmax bin) |
EP1SGX25DF672C7 672-fbga (27 × 27 mm, 1.0 mm pitch) Pin Configuration Guide
Complete pinout information for EP1SGX25DF672C7 (672-fbga (27 × 27 mm, 1.0 mm pitch) 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.
No detailed pinout data available for EP1SGX25DF672C7.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
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
EP1SGX25DF672C7 is suitable for 7 applications: 10 Gigabit Ethernet Line Card, SONET/SDH Framer ASIC Replacement, Custom Protocol Bridge / SPI-4.2 to XAUI, Test & Measurement Front-End, DSP Pre-Processing / Wireless Baseband, High-Performance Industrial Imaging & Video Processing, Legacy Telecom Backplane Aggregation.
10 Gigabit Ethernet Line Card
The EP1SGX25DF672C7 is well-suited for 10 Gigabit Ethernet line cards and XAUI-to-XGMII protocol bridging. Its integrated multi-gigabit transceivers run up to 3.125 Gbps, allowing four-channel XAUI aggregation to a single 10 Gbps link without external PHY chips. With 25,660 logic elements and 1.9 Mbit of embedded RAM, the FPGA can implement the full XAUI PCS layer, MAC encoding (64b/66b), and frame buffering in fabric. The 455 user I/Os expose ample SPI-4.2 or SFI-4.1 interface bandwidth to network processors. Designers typically instantiate Altera's MAC and PHY IP cores to shorten development time and achieve line-rate throughput.
Recommended
SONET/SDH Framer ASIC Replacement
Telecom framer designs traditionally done in ASICs can be replaced with the EP1SGX25DF672C7, leveraging its 3.125 Gbps transceivers to interface directly with OC-192/STM-64 optical modules. The FPGA's embedded DSP blocks (14 blocks total) handle clock-and-data recovery, scrambling/descrambling, and pointer processing in hardware. With 1.9 Mbit of TriMatrix memory, the device supports multi-frame FIFO buffering for jitter absorption and overhead processing. Field-programmability enables late-stage customization for regional telecom variations (e.g., SDH AU-4 vs SONET STS-192 mapping). The 672-FBGA package with 455 I/Os provides generous board-level interconnect for tributary side interfaces.
Recommended
Custom Protocol Bridge / SPI-4.2 to XAUI
The EP1SGX25DF672C7 is ideal for bridging SPI-4.2 or SFI-4.1 interfaces from network processors to XAUI links on switch line cards. With 455 user I/Os it can drive LVTTL/LVDS SPI-4.2 interfaces at full 622 MHz data rate plus the four XAUI lanes simultaneously. The 1.9 Mbit of embedded RAM acts as a packet buffer for rate adaptation between SPI-4.2 and XAUI clock domains. Hardware flow-control credits are processed in fabric via state machines, while parity and CRC verification are offloaded to the DSP blocks. This application replaces discrete bridge ASICs that have become scarce or expensive.
Recommended
Test & Measurement Front-End
Test and measurement equipment such as protocol analyzers, BERT testers, and logic analyzers use the EP1SGX25DF672C7 to provide reconfigurable front-end capture and pattern generation. The transceiver channels acquire serial data at up to 3.125 Gbps, while the 25K logic elements implement pattern matching, error counting, and protocol decoding in real time. The 1.9 Mbit embedded memory holds captured trace buffers, and 455 I/Os drive LCDs, keypads, and host interfaces (PCI, USB, Ethernet). Designers can re-purpose the same hardware platform for multiple protocol standards (PCI Express, Serial RapidIO, Fibre Channel) by recompiling the FPGA bitstream in Quartus II.
Recommended
DSP Pre-Processing / Wireless Baseband
Wireless baseband pre-processing such as crest-factor reduction, digital predistortion, and beamforming benefits from the EP1SGX25DF672C7's 14 dedicated DSP blocks. Each DSP block implements hard multipliers and accumulators, achieving tens of GMACs of multiply-accumulate throughput without consuming general logic. With multi-gigabit transceivers, digitized IF samples from ADC/DAC boards can be transported at up to 3.125 Gbps directly into the FPGA for real-time processing. The 672-FBGA package dissipates moderate power at 1.5 V core, simplifying board thermal design. This part predates Cyclone V and Arria V families, so it suits legacy 3G/4G base station designs still in production.
Recommended
High-Performance Industrial Imaging & Video Processing
Industrial imaging applications such as machine-vision cameras and high-speed video processors use the EP1SGX25DF672C7 to perform pixel-level processing, color-space conversion, and image statistics. The 455 user I/Os drive Camera Link, LVDS, or DVI/HDMI inputs at multi-megapixel rates. The 1.9 Mbit of embedded RAM acts as line buffers and frame accumulators, while the 14 DSP blocks accelerate convolution kernels for real-time filtering. The transceiver channels enable direct connection to SDI (SMPTE 259M/292M) or CoaXPress high-speed serial video standards. The 0–85 °C commercial temperature range is adequate for most factory-floor installations without requiring extended-temperature parts.
Recommended
Legacy Telecom Backplane Aggregation
Legacy telecom equipment such as SONET Add-Drop Multiplexers (ADMs), digital cross-connects, and ATM switches continue to use the EP1SGX25DF672C7 as a backplane aggregator bridging lower-speed tributaries (DS3/E3, OC-3/12/48) to higher-speed uplinks. The FPGA's 455 user I/Os connect to many tributary framers simultaneously, while the transceivers carry aggregated traffic upward at 3.125 Gbps. Embedded RAM supports per-channel jitter attenuators, and DSP blocks accelerate Reed-Solomon and BCH forward-error-correction codes. Since this part is in long-term support by Rochester Electronics, it remains a viable BOM item for sustaining legacy telecom installations through the 2020s.
Recommended
Recommended Products Summary
Engineering reference data for EP1SGX25DF672C7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1SGX25CF672C7 | EP1SGX25CF672C7N | EP1SGX25DF672C6N | EP1SGX10CF672C7 |
|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel |
| Package | 672-FBGA (27x27) | 672-FBGA (27x27) - same | 672-FBGA (27x27) - same | 672-FBGA (27x27) - same | 672-FBGA (27x27) - same |
| Logic Elements | 25,660 | 25,660 | 25,660 | 10,570 | |
| Embedded RAM | 1,944,576 bits | 1,944,576 bits | 1,944,576 bits | 920,448 bits | |
| DSP Blocks | 14 | 14 | 14 | 6 | |
| User I/O | 455 | 455 | 455 | 455 | |
| Transceivers | Multi-Gbps (3.125 Gbps) | Multi-Gbps (3.125 Gbps) | Multi-Gbps (3.125 Gbps) | Multi-Gbps (3.125 Gbps) | |
| Speed Grade | C7 | C7 | C6 | C5 | |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Highest speed grade in the 672-FBGA family (vs EP1SGX25DF672C5)
- 25K logic element density vs 10K family (vs EP1SGX10CF672C7)
- DF package code (specific ball-pattern revision) (vs EP1SGX25CF672C7)
Design Notes
The EP1SGX25DF672C7 requires a sequenced 1.5 V core supply plus 3.3 V and 2.5 V auxiliary rails. Place 0.1 µF X7R ceramic decoupling capacitors within 100 mils of every VCC/VCCINT/VCCIO/VCCA pin, with 10 µF bulk tantalum or polymer capacitors on each supply rail. Altera's PowerPlay early-power estimator should be run after place-and-route to size the regulator; transceivers at full utilization can draw an additional 1.5 A from the 2.5 V analog rail.
Estimated: at 1.5 V core, full transceiver utilization, and 50% logic toggle rate, junction power consumption reaches approximately 8 to 10 W. With a 672-FBGA package theta-JA of approximately 12 °C/W in still air, junction temperature could rise 100 °C above ambient. A 200 LFM airflow or a heatsink attached to the package lid is required for sustained operation. Use the Stratix GX PowerPlay tool to verify before finalizing the mechanical design.
Use a 12-layer PCB stackup with continuous GND and PWR planes adjacent to the top signal layer. Maintain 50 Ω single-ended and 100 Ω differential impedance on all transceiver channels. Length-match differential pairs within 5 mils for 3.125 Gbps signals, and route them over a solid GND plane with no splits. Place AC-coupling capacitors (0.1 µF X7R) within 200 mils of each transmitter output pin.
Common pitfalls include: (1) failing to configure unused I/O banks as LVCMOS with weak pull-ups rather than leaving them floating; (2) connecting the JTAG chain out of order, breaking in-system programming; (3) violating the maximum transceiver pre-emphasis and VOD settings; (4) using a non-validated reference-clock oscillator with jitter exceeding the Stratix GX specification, which causes link errors. Always validate the bitstream with the Quartus II PowerFit fitter before tape-out.
For multi-gigabit transceivers, use a stripline routing layer between two solid GND/PWR planes and avoid vias on differential-pair traces. Each channel should have its own reference-clock input routed with controlled impedance. The 672-FBGA breakout requires microvia or laser-drilled via technology; through-hole vias on transceiver channels add stubs that degrade signal integrity at 3.125 Gbps.
Compliance Information
RoHS compliant per DigiKey/Mouser attributes. Lead-free ball finish. Not AEC-Q100 (automotive) qualified — operating temperature 0 to +85 °C commercial grade only.
