EP2SGX30CF780C6
EP2SGX30CF780C6 - Stratix II GX FPGA, 780-BGA, 30K LE | Intel (Altera)
The Intel (formerly Altera) EP2SGX30CF780C6 is a Stratix II GX Field-Programmable Gate Array (FPGA) housed in a 780-ball FineLine BGA package (C6 speed grade, commercial temperature range), integrating approximately 33,880 logic elements, 1,369,728 bits of embedded memory, and 361 user I/O pins. The device belongs to the Stratix II GX family that combines a logic-rich fabric with up to 20 high-speed transceivers operating up to 6.375 Gbps, targeting protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and Aurora. The C6 speed grade balances timing margin against power consumption, while the F780 BGA package provides sufficient ball pitch and signal integrity for designs with multi-gigabit serial links and wide parallel memory buses. Programmable via the Quartus II design suite and configured through enhanced passive/active configuration schemes, this part is widely used in prototyping and production hardware where deterministic high-speed serial I/O is required. The device is built on a 1.2 V core, 90 nm process technology with embedded multiplier blocks, TriMatrix memory structures, and DSP blocks optimized for high-throughput signal processing.
A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic, memory, and I/O resources can be programmed after manufacture, allowing hardware engineers to implement custom digital circuits, parallel processing pipelines, and high-speed interfaces without fabricating an ASIC. In the system hierarchy, an FPGA sits between a microcontroller and a custom ASIC: it provides far higher parallelism and I/O bandwidth than an MCU, while avoiding the non-recurring engineering cost of an ASIC. The Stratix II GX family specifically targets applications requiring both general-purpose logic and multi-gigabit transceivers, positioning it as a power-management-aware programmable alternative to discrete PHY plus FPGA solutions.
Key features of the EP2SGX30CF780C6 include up to 6.375 Gbps transceiver data rate, 1.4 Mbits of embedded RAM (TriMatrix), dedicated 18x18 multipliers, and built-in PCI Express hard IP. The device supports DDR/DDR2/QDRII memory interfaces with dedicated DQS circuitry, dynamic phase alignment for source-synchronous interfaces, and signalTap II embedded logic analysis for in-system debug. The F780 package offers 361 user I/Os arranged in 8 I/O banks, providing flexible I/O standard support including LVDS, SSTL, HSTL, and LVCMOS at multiple voltages.
Architecturally, the Stratix II GX employs an adaptive logic module (ALM) with 8 inputs per ALM, replacing the 4-input LUT architecture used in earlier Stratix families. This allows tighter logic packing and improved performance on wide fan-in functions. The transceiver blocks embed clock-data recovery (CDR), 8B/10B encoding/decoding, and word-alignment logic, offloading these functions from the fabric and freeing logic resources for application-level processing.
Typical applications include wireless baseband processing, high-end test and measurement equipment, broadcast video infrastructure, and PCI Express endpoint cards for industrial control or data acquisition. The 6.375 Gbps transceivers also make it suitable for proprietary chip-to-chip links and backplane serial connectivity in storage or telecom systems.
When designing with this device, ensure that the Quartus II fitter pin assignments respect each bank voltage (1.2 V to 3.3 V) and that the transceiver reference clocks are routed with controlled impedance. Thermal management is critical in F780 BGA packages because the bottom-side balls carry both signal and thermal dissipation; refer to the manufacturer thermal model for junction-to-case resistance when calculating heatsink requirements.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design considerations not found in the manufacturer datasheet, giving the engineer a single decision-ready resource for the EP2SGX30CF780C6.
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