EP1SGX25DF672I5N - Stratix GX FPGA, 25.6K LE, 3.1875Gbps SERDES
MPN: EP1SGX25DF672I5N ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $165 | $1,650.00 |
| 100 | $148 | $14,800.00 |
| 500 | $132 | $66,000.00 |
| 1,000 | $118 | $118,000.00 |
Drop-in alternatives for EP1SGX25DF672I5N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EP1SGX25DF672I5N Maximum Ratings & Electrical Characteristics
| Family | Stratix GX |
| Logic Elements | 25,660 |
| Logic Cells (CLBs) | 2,566 |
| Process Technology | 130 nm CMOS |
| Core Supply Voltage | 1.5 V |
| High-Speed Transceiver Channels | 4 to 20 (CDR/SERDES) |
| Max Transceiver Data Rate | 3.1875 Gbps |
| Package | 672-ball FC-FBGA |
| Package Body Size | 33 x 33 mm |
| Ball Pitch | 1.0 mm |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| Lead-Free | Yes |
| RoHS Status | Compliant |
| Logic Family | CMOS (SRAM-based FPGA) |
EP1SGX25DF672I5N 33 x 33 mm Pin Configuration Guide
Complete pinout information for EP1SGX25DF672I5N (33 x 33 mm package) with [DATA_NEEDED: total user 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.
No detailed pinout data available for EP1SGX25DF672I5N.
Refer to the datasheet for full pin configuration.
Estimated pin count: [DATA_NEEDED: total user I/O pin count] pins (digital package)
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
EP1SGX25DF672I5N is suitable for 6 applications: High-Speed Serial Backplane Interface, Telecommunications Line Card, ASIC Prototyping, Protocol Bridging and Conversion, High-Performance DSP and Signal Processing, Test and Measurement Instrumentation.
High-Speed Serial Backplane Interface
The EP1SGX25DF672I5N's 4-20 SERDES channels operating up to 3.1875 Gbps make it well-suited for serial backplane interface cards in telecom and data-communication switches. Each transceiver integrates clock-data-recovery and 8B/10B encoding, eliminating the need for external PHY silicon and simplifying board layout. With 25,660 logic elements and dedicated DSP blocks, the fabric can implement MAC-layer processing, queue management, and protocol bridging alongside the SERDES - all on one device. Designers benefit from deterministic latency and per-channel pre-emphasis settings for backplane channels up to 40 inches of FR-4.
Recommended
Telecommunications Line Card
Line cards in SONET/SDH, OTN, and Ethernet aggregation equipment frequently deploy the EP1SGX25DF672I5N because its 1.5 V core, industrial -40C to +85C range, and SERDES density fit the multi-channel aggregation role. Per the Stratix GX datasheet, the on-chip transceiver channels support protocols including SFI-4.1, SPI-4.2, and XAUI, which are common in telecom line-card designs. With 2,566 CLBs of logic, designers can implement framer/mapper functions, traffic management, and OAM processing on the same device. The 33 x 33 mm 672-ball FC-FBGA is also familiar territory for telecom board layout engineers.
Recommended
ASIC Prototyping
ASIC prototyping teams use the EP1SGX25DF672I5N as a logic-and-translation substrate for verifying ASIC RTL before tape-out, taking advantage of its 25,660 logic elements and embedded SERDES. Per Intel FPGA documentation, the Stratix GX architecture supports common ASIC prototyping flows including TLM-based transactors, transactor-based memory modeling, and JTAG-driven debug. The integrated SERDES makes it suitable for prototyping ASICs that include embedded SerDes, custom I/O protocols, or high-bandwidth memory controllers. Multiple FPGAs can be combined on a prototyping board to reach higher ASIC gate counts.
Recommended
Protocol Bridging and Conversion
Designers deploy the EP1SGX25DF672I5N in protocol-bridging applications such as SPI-4.2 to XAUI, SFI-4.1 to XAUI, or custom serializer/deserializer translation. The on-chip SERDES with embedded 8B/10B encoding and clock-data-recovery allows parallel-to-serial and serial-to-parallel conversion at line rates up to 3.1875 Gbps. Per the manufacturer datasheet, the transceiver channels can be configured in 1x, 2x, or 4x bonded modes for XAUI-style aggregation. With 25,660 LEs available, the fabric can implement protocol-aware state machines, statistics counters, and adapter logic between the two sides.
Recommended
High-Performance DSP and Signal Processing
The EP1SGX25DF672I5N's embedded multiplier blocks and DSP-optimized fabric make it suitable for high-performance DSP applications such as channelized receivers, digital up/down-converters, and baseband processing. Per the Stratix GX datasheet, the device includes dedicated 18x18 multipliers and DSP blocks capable of hundreds of GMACs of DSP throughput. Combined with the 3.1875 Gbps SERDES, the part can stream digitised RF or baseband data directly into the DSP fabric for real-time processing in radar, electronic-warfare, or software-defined-radio platforms.
Recommended
Test and Measurement Instrumentation
Test and measurement equipment manufacturers deploy the EP1SGX25DF672I5N in protocol analyzers, BERT testers, and high-bandwidth oscilloscope capture paths. The 4-20 SERDES channels support live traffic capture and generation across common telecom and datacom rates, while the 25,660 logic elements implement real-time protocol decoding, triggering, and statistics. Per the manufacturer datasheet, the on-chip transceivers support loopback modes that simplify BERT and link-training designs. Industrial temperature range and lead-free FC-FBGA packaging make the part acceptable for production test equipment deployed in lab and field environments.
Recommended
Recommended Products Summary
Engineering reference data for EP1SGX25DF672I5N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1SGX25DF672I5 | EP1SGX25DF672C7N | EP1SGX25DF672C6N | EP1SGX25DF672C5N | EP1SGX25DF672C7 |
|---|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (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 |
| Package Body | 33 x 33 mm, 1 mm pitch | 33 x 33 mm, 1 mm pitch - same | 33 x 33 mm, 1 mm pitch - same | 33 x 33 mm, 1 mm pitch - same | 33 x 33 mm, 1 mm pitch - same | 33 x 33 mm, 1 mm pitch - same |
| Speed Grade | I5 (industrial) | I5 | C7 (faster) | C6 (faster) | C5 (faster) | C7 (faster) |
| Logic Elements | 25,660 | 25,660 | 25,660 | 25,660 | 25,660 | 25,660 |
| SERDES Channels | 4-20 | 4-20 | 4-20 | 4-20 | 4-20 | 4-20 |
| Max SERDES Rate | 3.1875 Gbps | 3.1875 Gbps | 3.1875 Gbps | 3.1875 Gbps | 3.1875 Gbps | 3.1875 Gbps |
| Lead-Free | Yes (N suffix) | No (no N) | Yes | Yes | Yes | No |
| Lifecycle | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy |
Key Differentiators
- Integrated SERDES up to 3.1875 Gbps eliminates external PHY (vs EP1S25F672C7N (non-GX Stratix))
- Mid-density 25,660 LE tier balances cost and capacity (vs EP1SGX40F1020I6N (40K LE / 1020-ball))
- Industrial temperature range and lead-free finish (vs EP1SGX25DF672C7N (commercial speed grade))
Design Notes
The 672-ball FC-FBGA at 33 x 33 mm with 1 mm pitch requires via-in-pad technology for reliable assembly. Per Stratix GX layout guidelines, use microvias on the BGA pads to escape the inner balls, and provide a 6-layer or thicker PCB stack-up to route SERDES differential pairs and clock networks with controlled 100 ohm differential impedance. Decoupling: place 0.1 uF + 10 uF capacitors under the package within 100 mils of each power pin pair.
SERDES channels at 3.1875 Gbps require careful attention to differential pair routing, length matching (within 5 mils intra-pair, within 100 mils inter-pair), and continuous reference planes. Per the Stratix GX datasheet, AC-coupling capacitors are required on each SERDES TX output and should be 0402-size, placed within 200 mils of the FPGA pin. Pre-emphasis settings must be tuned per channel to meet the target protocol's eye-mask requirements.
The 33 x 33 mm FC-FBGA offers a thermal pad on the bottom that must be soldered to the PCB thermal land and connected to inner ground planes with thermal vias (0.3 mm pitch recommended). Estimated: at 1.5 V core, ~25K LEs switching at 50% toggle, total power can reach 5-8 W; without a proper thermal land the junction temperature can exceed the 85C industrial limit. Add forced-air cooling or a heat spreader for high-utilization designs.
Do not substitute the EP1SGX25DF672I5N with the EP1SGX25CF672 variant - the CF pinout assigns transceivers differently and the ball map is not pin-to-pin compatible despite both using 672-ball FC-FBGA. Also note that the I5N suffix is industrial + lead-free; industrial without lead-free uses the I5 (no N) marking per the Stratix GX ordering guide. Configuration flash selection: use EPCS16 or EPCS64 for serial-mode configuration; JTAG-only debug configurations should add the JTAG header per IEEE 1149.1.
Compliance Information
RoHS-compliant per Intel FPGA product page. Industrial temperature -40C to +85C. Lead-free per 'N' suffix. AEC-Q100 not applicable (telecom/industrial-grade device, not automotive). Halogen-free status not specified in available data.
