EP1SGX25CF780I6 - Stratix GX FPGA 25K LE 780-BGA Industrial | Altera
MPN: EP1SGX25CF780I6 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $285 | $285.00 |
| 10 | $256.5 | $2,565.00 |
| 100 | $228 | $22,800.00 |
| 500 | $205 | $102,500.00 |
| 1,000 | $185 | $185,000.00 |
Drop-in alternatives for EP1SGX25CF780I6 — 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:
EP1SGX25CF780I6N
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
EP1S25F780I6
✅ Drop-In ⚠️ 参数待验证✓ In Stock
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View Datasheet →EP1S25F780I6N
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$1250 / Unit
View Datasheet →EP1SGX10CF672C7
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$185 / Unit
View Datasheet →EP1SGX10CF672C6N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$152 / Unit
View Datasheet →EP1S40F780I6
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$305 / Unit
View Datasheet →EP1SGX25CF780I6 Maximum Ratings & Electrical Characteristics
| Family | Stratix GX |
| Logic Elements | 25,660 |
| Embedded RAM Bits | 1,944,576 |
| Number of LABs/CLBs | 2566 |
| User I/Os | 597 |
| Operating Voltage (Core) | 1.5 V |
| Speed Grade | I6 (industrial) |
| Operating Junction Temperature | -40C to +100C |
| Package | 780-ball BGA (FineLine BGA) |
| Mounting Type | Surface Mount |
| Number of High-Speed Transceivers | Up to 20 channels |
| Transceiver Data Rate | Up to 3.1875 Gbps per channel |
| Configuration | SRAM-based (requires configuration device at every power-up) |
| RoHS Status | Compliant |
| Lead Free | Yes |
EP1SGX25CF780I6 780-ball bga (fineline bga) Pin Configuration Guide
Complete pinout information for EP1SGX25CF780I6 (780-ball bga (fineline bga) 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 EP1SGX25CF780I6.
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
EP1SGX25CF780I6 is suitable for 6 applications: Multi-Gigabit Backplane SERDES, PCI Express Endpoint and Root Complex, RAID Controller Pre-Processing Pipeline, ASIC Prototyping Platform, Broadcast Video Routing and Processing, Industrial Control and High-Speed Data Acquisition.
Multi-Gigabit Backplane SERDES
The EP1SGX25CF780I6's 20 high-speed transceiver channels at up to 3.1875 Gbps per channel make it a direct fit for backplane SERDES applications on line cards, switches, and routers. Each channel integrates Clock Data Recovery (CDR), eliminating the need for an external PHY chip, while the 25,660 logic elements implement protocol framing, CRC, and link-layer state machines. Compared with a non-GX Stratix part, the on-chip SERDES saves board area and reduces BOM cost. The 1.5 V core plus dedicated PLL/transceiver analog supplies must be decoupled with low-ESR ceramic capacitors adjacent to each supply pin per Altera reference designs.
Recommended
PCI Express Endpoint and Root Complex
Combined with Altera's soft IP cores, the EP1SGX25CF780I6 implements PCI Express x1/x4/x8 endpoints and root complexes at 2.5 Gbps per lane. The transceiver channels drive the PCIe physical layer directly, and the 1,944,576 embedded bits of TriMatrix memory buffer TX/RX packets and completion TLP headers. Per the Stratix GX datasheet, the I6 industrial speed grade provides adequate timing margin across -40°C to +100°C, and the 597 user I/Os are sufficient for downstream fabric expansion. PCB layout must route the transceiver differential pairs with 100-ohm differential impedance and length-matching within 150 mils per PCIe spec.
Recommended
RAID Controller Pre-Processing Pipeline
In storage controller cards, the EP1SGX25CF780I6 implements XOR parity calculation, RAID-6 Reed-Solomon encoding, and SAS/SATA link initialization in the DSP and TriMatrix memory. Per the Stratix GX datasheet, the dedicated DSP blocks accelerate XOR operations, and the 1.5 V core plus on-chip SERDES (when SAS/SATA is required) consolidates the entire pre-processing pipeline into one device. The 780-ball BGA also enables additional SATA/SAS ports via the high user I/O count, reducing companion bridge chip cost.
Recommended
ASIC Prototyping Platform
With 25,660 logic elements, 1,944,576 embedded RAM bits, and 597 user I/Os, the EP1SGX25CF780I6 maps mid-density ASIC RTL blocks for verification before tape-out. Per Altera's ASIC prototype guidance, designers partition logic and memory between the FPGA fabric and the prototype's external SRAM/DDR, while the transceiver channels model high-speed ASIC SERDES behavior accurately at up to 3.1875 Gbps. The I6 industrial speed grade and 780-ball FineLine BGA also suit the part to lab-to-test-bench emulation platforms, where the FPGA must emulate the final ASIC under realistic timing constraints.
Recommended
Broadcast Video Routing and Processing
Broadcast video routers, format converters, and SDI/HD-SDI processing engines use the EP1SGX25CF780I6's transceiver channels to receive uncompressed video at 1.485/2.97 Gbps, while the logic fabric performs scaling, de-interlacing, and frame-buffer management. The TriMatrix memory blocks (1,944,576 bits total) hold several video lines of pixel data at HD resolutions per the Stratix GX datasheet. The I6 industrial temperature range and 597 user I/Os also suit broadcast routers to multiple downstream video outputs without external mux chips, and the 1.5 V core supply simplifies power-tree design.
Recommended
Industrial Control and High-Speed Data Acquisition
The EP1SGX25CF780I6 is suited to high-channel-count industrial data acquisition, motor control timing, and deterministic networking on the factory floor. Per the Stratix GX datasheet, the 597 user I/Os connect to parallel ADC/DAC arrays, encoder interfaces, and isolated communication ports, while the 1.5 V core and industrial -40°C to +100°C junction range handle harsh thermal environments. The on-chip SERDES channels optionally support proprietary backplane or fiber links to centralized PLCs. The I6 industrial speed grade provides adequate timing margin for deterministic control loops at kilohertz to megahertz sample rates.
Recommended
Recommended Products Summary
Engineering reference data for EP1SGX25CF780I6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1SGX25CF780I6N | EP1S25F780I6 | EP1S25F780I6N | EP1S40F780I6 |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 780-ball FineLine BGA | 780-ball FineLine BGA - same | 780-ball FineLine BGA - same | 780-ball FineLine BGA - same | 780-ball FineLine BGA - same |
| Family | Stratix GX | Stratix GX | Stratix (non-GX) | Stratix (non-GX) | Stratix (non-GX) |
| Logic Elements | 25,660 | 25,660 | 25,660 | 25,660 | 41,250 |
| Embedded RAM Bits | 1,944,576 | 1,944,576 | 1,944,576 | 1,944,576 | 3,423,744 |
| User I/Os | 597 | 597 | 597 | 597 | 773 |
| Integrated Transceivers | 20 channels up to 3.1875 Gbps | 20 channels up to 3.1875 Gbps | None (external PHY required) | None (external PHY required) | None (external PHY required) |
| Operating Voltage (Core) | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Temperature Grade | Industrial (-40C to +100C junction) | Industrial (-40C to +100C junction) | Industrial (-40C to +100C junction) | Industrial (-40C to +100C junction) | Industrial (-40C to +100C junction) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Integrated 20-channel SERDES up to 3.1875 Gbps (vs EP1S25F780I6)
- Same 780-ball BGA footprint across multiple Stratix GX variants (vs EP1SGX10CF672C7)
- Higher logic density than EP1SGX10 in the same family (vs EP1SGX10CF672C7)
Design Notes
Estimated: The EP1SGX25CF780I6 is a high-density FPGA in a 780-ball FineLine BGA. Although the I6 industrial speed grade typically reduces static leakage, total power dissipation in the Stratix GX family can reach 5-10 W at full utilization with active transceivers. A multi-layer PCB with at least 4 signal layers over a continuous ground/power plane is required; thermal vias under the BGA thermal balls and a heatsink or forced-air cooling are recommended for >3 W continuous operation. Without a heatsink, junction temperature can exceed the +100C industrial limit. Refer to Altera application note AN-358 (Stratix GX Power Optimization) for further guidance.
The 780-ball FineLine BGA uses 1.0 mm ball pitch and requires microvia or via-in-pad PCB technology for signal and power escape routing. Per the Stratix GX hardware reference design, dedicated transceiver differential pairs must be routed with 100-ohm differential impedance and length-matched within 150 mils for protocols such as PCIe, XAUI, and Serial RapidIO. Each transceiver channel requires its own AC-coupling capacitor on both TX and RX paths. The configuration JTAG/PS pins must be accessible for boundary-scan testing during board bring-up.
The EP1SGX25CF780I6 requires multiple power rails: VCCINT (1.5 V core), VCCIO (per-bank I/O supply, typically 3.3 V, 2.5 V, or 1.8 V depending on the bank), VCCA_PLL (analog PLL supply, typically 2.5 V), and VCCAUX/VCCPD (auxiliary and pre-driver supplies). Per the Stratix GX datasheet, each rail must be decoupled with a bulk 100 uF tantalum or polymer capacitor plus 0.1 uF and 0.01 uF ceramic capacitors within 100 mils of the supply pin. Sequence VCCINT before VCCIO per Altera's power sequencing requirements to avoid latch-up during power-up.
The SRAM-based FPGA fabric means the EP1SGX25CF780I6 must load its configuration bitstream from an external configuration device (such as EPC16 or EPCS) at every power-up. Without a valid configuration, all I/O and logic is tri-stated and the device draws only minimal supply current. Do not assume the device is faulty if all I/Os appear inactive after power-up; verify the configuration sequence via the nSTATUS, nCONFIG, and CONF_DONE pins. Loss of configuration also means loss of all internal state, including any on-chip memory contents - design the system to tolerate full re-initialization at every power-up.
Compliance Information
RoHS compliant per Altera/Intel legacy datasheet. Not AEC-Q100 qualified; do not use in automotive programs without additional qualification. Halogen-free status not stated in legacy datasheet - marked unknown. Conflict minerals compliance per Altera/Intel standard declaration.
