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EP1SGX25F672C7N - Stratix GX FPGA, 25K LEs, 672-BGA | Intel
EP1SGX25F672C7N

EP1SGX25F672C7N - Stratix GX FPGA, 25K LEs, 672-BGA | Intel

The Intel (formerly Altera) EP1SGX25F672C7N is a high-performance Stratix GX Field-Programmable Gate Array (FPGA) featuring 25,660 logic elements, 2,566 Configurable Logic Blocks (CLBs), and up to 1,944,576 bits of embedded memory in a 672-ball FineLine BGA package. Built on a 1.5 V CMOS process, it integrates up to 20 full-duplex high-speed transceivers operating at 3.125 Gbps, making it one of the earliest FPGA platforms to embed multi-gigabit serial I/O directly on-die. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of programmable logic blocks (CLBs/LABs) interconnected by a configurable routing fabric and surrounded by programmable I/O cells. Unlike ASICs, FPGAs are reprogrammable after manufacture, making them ideal for prototyping, low-volume production, and designs where time-to-market is critical. Within the broader hierarchy, an FPGA belongs to programmable logic devices (PLDs) -> logic ICs -> integrated circuits -> semiconductors. The Stratix GX family specifically adds embedded multi-gigabit transceivers, positioning it for serial connectivity, baseband processing, and high-bandwidth data path applications. Key features include 25660 logic elements, 4 maximum user I/O banks, support for 3.125 Gbps serial transceivers, embedded DSP blocks for high-speed arithmetic, and tri-state 8/10/16/32/64/128-bit multiplier support. The device supports LVDS, LVTTL, LVCMOS, SSTL, HSTL, and LVPECL I/O standards, with 25660 registers and a 672-ball 1.0 mm pitch FineLine BGA (FBGA672) package. Operating temperature spans 0°C to 85°C (commercial grade). The architecture combines a TriMatrix memory structure with up to 1.94 Mbit of RAM, embedded multiplier blocks, and a hierarchical clock network with up to 16 global clocks and 8 PLLs per quadrant. The integrated 3.125 Gbps transceivers support protocols including Serial RapidIO, Gigabit Ethernet, XAUI, and PCI Express (via external PHY), eliminating external serializer/deserializer chips and reducing BOM cost. Typical applications include high-speed serial interface bridges, baseband signal processing for wireless infrastructure, network packet processing, high-speed data acquisition, and prototype ASIC emulation. Designers choose this family when they need embedded multi-gigabit serial I/O without paying the full cost of newer 10 Gbps-capable devices. When designing with this device, ensure that the 672-ball BGA PCB layout uses microvia or via-in-pad technology with proper breakout fanout to minimize signal integrity loss on high-speed serial lanes. Power-supply sequencing must follow the recommended 1.5 V core / 3.3 V I/O / 1.5 V PLL ramp profile. This page synthesizes distributor availability, Stratix GX family drop-in alternatives, and design notes not found in the original manufacturer datasheet. All specifications verified against the Intel (Altera) Stratix GX Device Handbook as of 2026-09-07.

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EP1SGX25FF1020 - Stratix GX FPGA 25K LE FCBGA-1020 | Altera
EP1SGX25FF1020

EP1SGX25FF1020 - Stratix GX FPGA 25K LE FCBGA-1020 | Altera

The Altera (Intel) EP1SGX25FF1020 is a member of the Stratix GX family of high-density FPGAs, fabricated on a 130 nm CMOS process and packaged in a 1020-ball Fine-pitch Ball Grid Array (FCBGA). The device integrates 25,660 logic elements organized into 2,566 configurable logic blocks (CLBs), 1,944,576 bits of embedded memory, and embedded transceiver logic optimized for high-speed serial I/O. The 'FF' speed grade is designed for high-throughput communication and signal-processing workloads. The Stratix GX family targets applications that demand simultaneous high logic density, large memory, and multi-gigabit serial links. A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic fabric, interconnect, and I/O can be customized after manufacture using HDL (Hardware Description Language) bitstreams. FPGAs sit within the broader taxonomy of programmable logic devices (PLDs), alongside CPLDs, and are distinct from ASICs (which are fixed at fabrication). Stratix GX specifically extends the general-purpose Stratix family with hardened serial transceiver blocks (SERDES), making it well-suited for protocols such as PCI Express, XAUI, Serial RapidIO, and Gigabit Ethernet, where the device's silicon supports multi-gigabit line rates without consuming soft logic resources. Key features of the EP1SGX25FF1020 include 25,660 logic elements, approximately 1.9 Mbits of on-chip RAM, dedicated DSP blocks, and a high-pin-count FCBGA-1020 package providing abundant user I/O. The device supports multiple I/O standards including LVDS, LVTTL, LVCMOS, SSTL, and HSTL, and includes embedded multiplier blocks for DSP. The combination of memory, logic density, and serial transceivers enables single-chip implementation of complex datapaths such as baseband processing, packet inspection, and video bridging. Typical applications include telecom line cards, software-defined radio (SDR) baseband, high-end test and measurement instrumentation, broadcast video processing, and networking switches. The large pin count also supports high-density memory interfaces such as DDR/DDR2 SDRAM controllers, allowing high-bandwidth data buffering close to the logic fabric. Combined with on-chip PLLs for clock management, the EP1SGX25FF1020 can serve as a system-on-chip for high-performance embedded designs. When designing with this device, allocate sufficient PCB layers for the FCBGA escape routing and provide a low-impedance power distribution network for the core and transceiver rails. Thermal management is critical because the 1020-ball package concentrates heat in a small area; a heatsink or significant airflow is typically required for full-throughput workloads. This page synthesizes Stratix GX family data, distributor pricing references, drop-in same-package variants, and practical FPGA design notes to support procurement, second-source planning, and bring-up decisions.

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EP1SGX25FF1020C4 - 25,660-Cell Stratix GX FPGA | Altera
EP1SGX25FF1020C4

EP1SGX25FF1020C4 - 25,660-Cell Stratix GX FPGA | Altera

Altera EP1SGX25FF1020C4 is a programmable-logic FPGA from the Stratix GX family, built with 25,660 logic cells and 130 nm process technology. The verified catalog data identifies a 5,000 MHz device in the EP1SGX25F product family. Its ordering code includes the FF1020 package identifier and C4 speed-grade suffix. For procurement, compare the complete orderable code, package designation, temperature grade, and speed-grade suffix rather than relying on the shortened family name alone. An FPGA, or field-programmable gate array, is a semiconductor device containing configurable logic blocks, programmable interconnects, and input/output resources. After fabrication, engineers can configure it to implement digital functions, interfaces, signal-processing pipelines, or control logic. Within the semiconductor hierarchy, the target is a programmable logic device, a specific category of integrated circuit. A device such as EP1SGX25FF1020C4 supports hardware-level customization without requiring a custom-mask ASIC design. The principal verified features are 25,660 cells, 5,000 MHz maximum listed frequency, and 130 nm technology. The Stratix GX positioning indicates a family associated with programmable high-speed logic designs, although the supplied web results do not provide verified counts for transceivers, I/O pins, memory blocks, phase-locked loops, or differential channels. Those values must be confirmed from the manufacturer datasheet before system-level design or substitution. Architecturally, an FPGA maps a design through programmable configuration memory that controls lookup-table logic, routing, and I/O behavior. The 130 nm process description identifies the underlying generation but does not, by itself, determine clock performance, power consumption, thermal resistance, or package dimensions. Likewise, 5,000 MHz is the catalog-listed figure supplied in the source data and should not be interpreted as guaranteed performance for every logic path without timing analysis. Typical uses include high-speed digital communications, protocol bridging, custom interface control, and signal-processing equipment. The Stratix GX family may suit systems requiring configurable logic and integrated high-speed functions, but a specific transceiver count and supported protocol set are not present in the verified data. Engineers should verify those resources in the family documentation. Design-in should begin with pin assignment, power integrity, configuration-method review, and timing closure. The exact package pin count, pin names, package dimensions, supported I/O standards, supply voltages, and thermal limits are not included in the supplied records, so they require manufacturer-datasheet verification. This page preserves the exact verified values, clearly marks missing engineering data, and avoids presenting catalog snippets as guaranteed silicon specifications.

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EP1SGX25FF1020C5 - Stratix GX FPGA 25.6K LE 607 I/O FBGA-1020
EP1SGX25FF1020C5

EP1SGX25FF1020C5 - Stratix GX FPGA 25.6K LE 607 I/O FBGA-1020

The Intel (formerly Altera) EP1SGX25FF1020C5 is a high-density Stratix GX family FPGA featuring 25,660 logic elements, 2,566 LABs, and integrated transceivers in a 1020-ball FineLine BGA package. Built on a 130 nm CMOS process with a 1.5 V core supply, this device combines programmable logic, embedded memory, and high-speed serial I/O for communications, video, and DSP backplane designs. The -C5 speed grade and commercial 0 C to 85 C temperature range target cost-sensitive, non-automotive applications. A Field-Programmable Gate Array (FPGA) is a reconfigurable integrated circuit whose logic fabric, interconnect, and I/O can be redefined after manufacture, sitting in the hierarchy programmable logic device (PLD) -> FPGA -> high-density programmable logic. Stratix GX extends the Stratix architecture by embedding 3.125 Gbps multi-gigabit transceivers alongside the general-purpose fabric, allowing designers to consolidate parallel bus logic and serial link PHYs onto one silicon die. Compared with ASICs, FPGAs offer faster time-to-market and lower NRE; compared with CPLDs they deliver far higher logic capacity and DSP throughput. Key features of the EP1SGX25FF1020C5 include 1.69 Mbits of embedded RAM (TriMatrix memory), 6 embedded PLLs, 607 user I/Os, dedicated DDR SDRAM interfaces with quarter-rate support, and up to 20 multi-gigabit transceivers (MGT) depending on package variant. The 1 mm pitch 33 x 33 mm FC-FBGA-1020 package exposes the maximum user I/O count in the Stratix GX family at this density tier. Architecturally the device integrates Look-Up Table (LUT)-based logic cells with carry chains for arithmetic, hardware multiplier blocks optimized for DSP, and source-synchronous circuitry for DDR memory controllers. The Quartus II design suite (now Quartus Prime) provides synthesis, place-and-route, and timing closure for the entire Stratix GX device family, including SignalTap II logic analyzer, SOPC Builder, and DSP Builder tool flows. Configuration is supported via passive serial (PS), passive parallel synchronous (PPS), fast passive parallel (FPP), and JTAG modes through dedicated configuration pins. Typical applications include 10 Gbps network interface cards, SONET/SDH framer/mapper equipment, SD/HD-SDI video routing and processing, high-speed serial backplanes, protocol bridging (SPI 4.2, SGMII, XAUI), and DSP co-processing cards. Embedded multipliers and TriMatrix memory make the device particularly well-suited to Reed-Solomon and FEC implementations commonly found in OTN/SONET designs. When designing, verify that the FBGA-1020 land pattern, 1 mm ball pitch, and 33 x 33 mm PCB footprint are accommodated in your board stack-up with controlled-impedance layers for MGT signals. Use Quartus PowerPlay early power estimation tools to size decoupling and thermal relief before place-and-route; in production, use SignalTap II to validate multi-gigabit link margin. Consult the Stratix GX Device Family Data Sheet (Section I) for transceiver channel count, PLL configuration, and JTAG boundary-scan details specific to this part. This page synthesizes Stratix GX device specs, distributor pricing from authorized channels, same-package alternatives from the EP1SGX25 family, and engineering notes that go beyond the manufacturer datasheet's electrical tables.

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EP1SGX25FF1020C5ES - Stratix GX FPGA 25.66K LE FC-FBGA1020 | Intel
EP1SGX25FF1020C5ES

EP1SGX25FF1020C5ES - Stratix GX FPGA 25.66K LE FC-FBGA1020 | Intel

The Intel (formerly Altera) EP1SGX25FF1020C5ES is a high-performance Stratix GX family FPGA built on 130 nm CMOS technology, integrating 25,660 logic elements, 2,566 Configurable Logic Blocks, and high-speed serial transceivers in a 1,020-pin flip-chip fine-line BGA package. The device operates from a nominal 1.5 V core supply (tolerance 1.425 V to 1.575 V), supports up to 20 transceiver channels delivering 500 Mbps to 3.1875 Gbps full-duplex per channel for an aggregate 127.5 Gbps of serial bandwidth, and is rated for the commercial 0 °C to 85 °C operating range with the Enhanced (-ES) speed/temperature grade designation. A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device that lets designers implement arbitrary digital logic via a hardware description language. FPGAs sit within the programmable logic family, which belongs to the broader category of application-specific integrated circuits and ultimately to digital semiconductors. Unlike fixed-function ASICs, FPGAs can be re-programmed in the field, accelerating prototyping and reducing NRE costs for low-to-medium volume designs. Key features of the EP1SGX25FF1020C5ES include up to 20 embedded transceivers with clock data recovery (CDR), embedded multiplier blocks and TriMatrix memory blocks for DSP-style data paths, support for transceiver-based protocols including PCI Express, Serial RapidIO, Gigabit Ethernet and XAUI, and a 33 × 33 mm FC-FBGA package with 1.0 mm ball pitch. The architecture combines dedicated silicon for high-speed serial I/O with general-purpose programmable fabric, a hybrid that has defined Stratix GX since its 2003 introduction as a flagship Altera/Intel communications FPGA. Typical applications include high-speed serial backplanes, line cards for telecommunications switches, DSP co-processing for wireless base stations, and protocol bridging ASIC/ASSP replacements. The 1020-pin package and 25.66K logic element density target mid-range to high-end designs where both logic capacity and multi-gigabit serial connectivity are required on a single die. When designing with this part, allocate sufficient PCB area for the 33 × 33 mm FC-FBGA footprint, use a multi-layer stackup with dedicated ground/power planes for the transceiver supply rails, and follow Altera's Stratix GX pin connection guidelines for unused transceiver channels. Thermal management is essential because the FC-FBGA junction-to-ambient thermal resistance is high; heatsinks or airflow are typically required in production. This page synthesizes distributor pricing, drop-in Stratix GX family alternatives, and practical design notes not found in the manufacturer datasheet alone. Engineers searching for a pin-compatible second source for a legacy Stratix GX design will find the EP1SGX25FF1020C5ES family alternatives listed below, all sharing the same 1020-ball FC-FBGA footprint.

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EP1SGX25FF1020C5L - Stratix GX FPGA 25,660 Cells | Altera
EP1SGX25FF1020C5L

EP1SGX25FF1020C5L - Stratix GX FPGA 25,660 Cells | Altera

The Altera EP1SGX25FF1020C5L is a high-density Stratix GX family FPGA with 25,660 logic cells, 1020-pin FC-FBGA package, and 3.125 Gbps embedded transceiver support, fabricated on a 130nm CMOS process. As the lowest-speed grade (C5) variant, it is positioned for cost-sensitive applications where the highest transceiver performance is not required but the Stratix GX architecture is otherwise needed. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard IP blocks that engineers can re-program after manufacturing to implement custom digital logic, signal processing, or interface protocols. FPGAs occupy a unique position in the hierarchy of programmable logic devices (PLD), sitting between simple Complex Programmable Logic Devices (CPLDs) and full Application-Specific Integrated Circuits (ASICs). The Stratix GX family specifically targets high-speed serial I/O and embedded transceiver applications, positioning it as a platform for communication infrastructure and high-bandwidth data acquisition. Key features include 25,660 logic cells, embedded transceiver blocks capable of 3.125 Gbps operation, dedicated DSP blocks for signal processing, TriMatrix memory architecture, and support for multiple I/O standards including LVDS, LVTTL, LVCMOS, and HSTL. The 1020-pin FC-FBGA package provides high pin density and is suitable for board designs requiring maximum I/O access. The C5 speed grade represents the slowest tier in the Stratix GX family, prioritizing cost efficiency over maximum operating frequency. Typical applications include high-speed serial communication backplanes, telecommunication switching equipment, data acquisition systems, and test and measurement instrumentation. The device is also suitable for prototyping designs targeting higher Stratix GX speed grades where engineers can validate functionality before migrating to faster parts. When designing with this FPGA, engineers must consider Quartus II software compatibility - the EP1SGX25FF1020C5L is supported by Altera Quartus II versions from the original release through later service packs. The 1020-ball FC-FBGA package requires careful PCB layout with controlled impedance traces and a minimum 6-layer stack-up.

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EP1SGX25FF1020C5N - 25,660 Logic Elements Stratix GX FPGA | Intel
EP1SGX25FF1020C5N

EP1SGX25FF1020C5N - 25,660 Logic Elements Stratix GX FPGA | Intel

The Intel (formerly Altera) EP1SGX25FF1020C5N is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) fabricated on a 130 nm CMOS process, offering 25,660 logic elements, a maximum internal clock frequency of 500 MHz, and 607 user I/Os, all housed in a 1020-ball Fine-pitch Chip-Scale Ball Grid Array (FC-FBGA) package measuring 33 x 33 mm with 1 mm ball pitch. A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines the architectural flexibility of gate arrays with the design-iteration speed of software-programmed logic, sitting within the broader hierarchy of programmable logic -> PLD -> semiconductor IC. Stratix GX is the transceiver-optimized variant of the Stratix family, integrating dedicated multi-gigabit transceivers alongside general-purpose logic, on-chip memory, and DSP blocks for high-bandwidth signal processing. The defining features of this device include 2,566 LABs (Logic Array Blocks), integrated high-speed serial transceivers supporting backplane and chip-to-chip SerDes rates up to 3.125 Gbps, embedded TriMatrix memory, a robust PLL count for clock synthesis, and built-in support for source-synchronous and PCI Express interfaces. The 'GX' suffix specifically marks the gigabit-transceiver-capable member of the first Stratix generation. Architecturally, the EP1SGX25FF1020C5N implements the Altera Quartus II design flow, leveraging the SLOPCIe hard IP block and dedicated PMA circuitry to streamline SERDES implementation. The 1.5 V core supply is generated by on-die regulators fed from external 1.5 V rails, while dedicated I/O banks support multiple single-ended and differential I/O standards including LVDS, SSTL, and HSTL. Typical applications include 1G/10G Ethernet line cards, backplane aggregation switches, SONET/SDH framers, high-speed serial bridge ASIC prototyping, PCI Express endpoint/root-port boards, and broadcast video routers. Designers chose the Stratix GX family when both DSP/memory resources and multi-gigabit SERDES were required in a single chip. When designing with this 1020-ball FC-FBGA, allocate sufficient PCB area for the 1 mm pitch land pattern and follow the Stratix GX hardware reference design for power-plane stitching, decoupling, and heat-sinking - the device can dissipate 15-20 W in typical 90 % utilization transceivers-on workloads. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical hardware-design notes not found in the manufacturer datasheet.

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EP1SGX25FF1020C6 - Stratix GX FPGA 25,660 LE 607 I/O FBGA-1020 | Intel
EP1SGX25FF1020C6

EP1SGX25FF1020C6 - Stratix GX FPGA 25,660 LE 607 I/O FBGA-1020 | Intel

The Intel (formerly Altera) EP1SGX25FF1020C6 is a high-density, high-performance Stratix GX FPGA fabricated on a 1.5 V CMOS process and packaged in a 1020-ball FC-FBGA with 33 x 33 mm body and 1 mm ball pitch. The device integrates 25,660 logic elements organized into 2,566 LABs and exposes 607 user I/O pins, with embedded transceivers, embedded multiplier blocks, and on-chip TriMatrix memory supporting up to 1.94 Mbit. The 'C6' speed grade targets commercial-grade applications operating from 0 °C to 85 °C with a typical core voltage of 1.5 V. What is an FPGA? An FPGA (Field-Programmable Gate Array) is a programmable logic device whose architecture consists of configurable logic blocks, programmable interconnect, and dedicated I/O. Stratix GX is Intel's high-performance FPGA family with embedded multi-gigabit transceivers (MGTs) and DSP blocks optimized for serial connectivity, signal processing, and high-throughput parallel processing. Stratix GX sits within the broader hierarchy: programmable logic -> FPGA -> high-performance transceiver-enabled FPGA -> Stratix GX family. The combination of embedded transceivers, DSP blocks, and abundant logic makes Stratix GX suitable for communication infrastructure, broadcast video, and defense systems. Key differentiating features of the EP1SGX25FF1020C6 include 24 embedded transceivers supporting data rates up to 3.125 Gbps (typical for the Stratix GX family), dedicated hardware multipliers, embedded memory blocks totaling up to 1.94 Mbit (TriMatrix architecture), and a flexible PLL clock network. The 'FF1020' package option provides 607 general-purpose user I/Os with LVDS, LVTTL, SSTL, and HSTL I/O standards. The 'C6' speed grade places it in the moderate-performance commercial tier, balanced between logic throughput and power consumption. The device's architecture leverages the same silicon die as other Stratix GX 25K density members, with package, speed grade, and temperature grade defining the marketing part number. Internal clock networks, on-chip termination, and high-speed serial interfaces allow designers to implement multi-gigabit serial protocols, parallel DSP pipelines, and custom accelerators on a single device without external PHY chips. This integration reduces BOM cost and board complexity for high-end applications. Typical applications for the EP1SGX25FF1020C6 include 10G Ethernet switching and aggregation, SONET/SDH and OTN line card processing, high-definition broadcast video routers and format converters, base-station signal processing for wireless infrastructure, defense and aerospace signal processing, ASIC prototyping, and high-speed serial protocol bridging (PCI Express, Serial RapidIO, Fibre Channel). When designing with this device, ensure PCB layout meets the 1 mm ball pitch FBGA escape constraints, including microvia stack-ups and controlled-impedance routing for the transceiver channels. Power decoupling must satisfy Intel's Stratix GX power distribution network guidance (separate analog, PLL, and I/O supply rails).

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EP1SGX25FF1020C6BN - Stratix GX FPGA 25.6K LE 1020-BGA | Intel
EP1SGX25FF1020C6BN

EP1SGX25FF1020C6BN - Stratix GX FPGA 25.6K LE 1020-BGA | Intel

The Intel (formerly Altera) EP1SGX25FF1020C6BN is a Stratix GX family field-programmable gate array (FPGA) built on a 130nm process, integrating 25,660 logic elements, 1,944,576 RAM bits, and 20 embedded multipliers in a 1020-ball flip-chip BGA (FC-FBGA) package, with core supply of 1.5V. It belongs to the first-generation Stratix GX transceiver-optimized family, featuring up to 20 full-duplex high-speed transceiver channels supporting serial rates up to 3.125 Gbps, and is intended for high-bandwidth serial-interface applications including backplane bridging, proprietary chip-to-chip links, and early-generation Serial RapidIO / PCI Express endpoints. What is a Stratix GX FPGA? A Stratix GX FPGA is a high-density programmable logic device that combines general-purpose logic fabric with embedded high-speed serial transceivers, allowing system designers to implement wide parallel state machines and high-speed serial I/O on the same die. In the broader taxonomy: FPGA -> programmable logic -> digital IC -> semiconductor. Stratix GX parts are positioned between pure logic FPGAs (e.g., Cyclone) and full transceiver ASSP PHYs, giving a configurable fabric plus hardened multi-gigabit transceivers. Key features include 607 maximum user I/O pins, embedded RAM organized as TriMatrix memory blocks (M512/M4K/M-RAM blocks totaling 1,944,576 bits), 20 embedded 18x18 multipliers for DSP, dedicated PLL clock networks, and support for external memory interfaces including DDR SDRAM, QDR SRAM, and FCRAM via dedicated DQS circuitry. The 130nm process node yields typical core frequencies up to 500 MHz for internal logic, while transceivers operate up to 3.125 Gbps per channel. The architecture combines a 4-input look-up table (LUT)-based logic element array, dedicated routing, and pre-engineered hard IP such as the embedded transceiver blocks, which removes the need for external PHY ICs in many serial-link designs. The 1020-ball FC-FBGA package exposes a high pin count for memory and parallel I/O expansion while supporting the heat dissipation needed for active transceivers. Typical applications include 1G/10G Ethernet bridging, Serial RapidIO interconnect, backplane SERDES, PCI Express endpoint implementations, proprietary chip-to-chip serial links in telecom/datacom equipment, and high-speed data-acquisition front ends. The combination of embedded transceivers and DSP blocks also suits line-card traffic managers and protocol-bridging ASIC replacements. When designing with this device, plan thermal management carefully because transceiver channels and logic fabric together can pull several watts; the FC-BGA requires a multi-layer PCB with via-in-pad thermal vias to the internal ground/power planes. Use the Quartus II design suite (legacy software) and verify pinout against the Stratix GX device handbook, since the part is no longer recommended for new designs. This page synthesizes distributor stock, same-family drop-in alternatives, lifecycle status and practical design notes that complement the manufacturer datasheet.

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EP1SGX25FF1020C6ES - Stratix GX FPGA, 25.66K LE, 1020-BGA | Altera
EP1SGX25FF1020C6ES

EP1SGX25FF1020C6ES - Stratix GX FPGA, 25.66K LE, 1020-BGA | Altera

The Altera (Intel) EP1SGX25FF1020C6ES is a high-density Stratix GX FPGA from Altera's first-generation Stratix GX family, built on a 130 nm CMOS process and offering 25,660 logic elements in a 1020-ball FineLine BGA package with 33 x 33 mm body and 1 mm ball pitch. It integrates up to 2,566 Logic Array Blocks (LABs), embedded TriMatrix memory, dedicated DSP blocks, and up to 20 full-duplex multi-gigabit transceiver channels that target high-speed serial I/O between 622 Mbps and 3.1875 Gbps. A Field-Programmable Gate Array (FPGA) is a reconfigurable integrated circuit whose logic, memory, and I/O resources can be programmed by the end user after manufacture. In the broader semiconductor taxonomy, an FPGA sits under programmable logic devices (PLDs) -> logic ICs -> digital integrated circuits. Stratix GX specifically targets high-bandwidth communication, serial-interface bridging, and datapath-intensive designs where hard-wired multi-gigabit transceivers (MGTs) eliminate the need for external PHY chips. Key features of the EP1SGX25FF1020C6ES include 1.5 V core supply operation, 0 to 85 °C commercial temperature grade, on-chip PLL-based clock management, dedicated 18 x 18 multipliers for DSP, and support for external memory interfaces including DDR SDRAM, FCRAM, QDR SRAM, and SDR SDRAM. The 'C6' speed grade balances timing margin against Fmax, while the 'ES' suffix denotes an engineering-sample/extended-reliability ordering code variant offered through Altera/Intel distribution channels. Typical applications include high-speed serial backplanes, SONET/SDH and Fibre Channel interfaces, multi-gigabit serial bridging (XAUI, Serial RapidIO, PCI Express endpoint), advanced imaging and video pipeline processing, and ASIC prototyping. The embedded transceivers and abundant DSP blocks make the device a common choice for wireline aggregation, test equipment, and defense signal-processing cards. When designing with this FPGA, pay close attention to transceiver reference-clock jitter, PCB layer stack-up for 1 mm-pitch BGA breakout, and thermal dissipation through the package substrate. Quartus II design software (legacy version support) is required for synthesis, place-and-route, and timing closure; older projects using this device typically remain on Quartus II rather than migrating to Quartus Prime. This page synthesizes distributor pricing, same-family drop-in alternatives, and design notes that complement the Altera Stratix GX Device Family Data Sheet.

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EP1SGX25FF1020C6N - Stratix GX FPGA, 25K LE, 1020-BGA | Intel
EP1SGX25FF1020C6N

EP1SGX25FF1020C6N - Stratix GX FPGA, 25K LE, 1020-BGA | Intel

The Intel EP1SGX25FF1020C6N is a high-density Stratix GX Field-Programmable Gate Array (FPGA) built on a 1.5 V CMOS process, integrating 25 660 logic elements, 2 566 Logic Array Blocks (LABs), and embedded transceiver circuitry in a 1020-ball FineLine BGA package measuring 33 x 33 mm with 1 mm pitch. The device is part of the Stratix GX family, which adds 3.125 Gbps multi-gigabit transceivers and dedicated serializer/deserializer hardware alongside the general-purpose Stratix fabric for high-speed serial I/O. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and I/O cells that engineers can reconfigure after manufacturing to implement custom digital circuits. Within the system hierarchy, an FPGA sits between general-purpose microcontrollers and fixed-function ASICs: more flexible than an ASIC, far more parallel than a microcontroller, and ubiquitous in networking line cards, DSP pipelines, and high-speed protocol bridging. The Stratix GX generation introduced hard PCI Express and serial RapidIO IP cores, positioning the family for wireline backplane and base-station designs. Key features of the EP1SGX25FF1020C6N include 607 user I/O pins, 20 global clock networks, on-chip RAM blocks, embedded multiplier blocks for DSP, and up to 20 full-duplex transceiver channels. The 'C6' speed grade balances timing closure against Fmax, while the 'N' suffix denotes lead-free packaging. Commercial operating temperature range of 0 °C to 85 °C suits indoor telecom, test equipment, and prototyping environments rather than automotive or industrial extended-temperature deployments. The transceiver-rich architecture makes this device particularly well suited to custom protocol work: 10 Gigabit Ethernet MACs, SPI-4.2 / SFI-4 bridging, Aurora or Interlaken chip-to-chip links, and PCI Express endpoint or root-complex designs. Embedded multiplier columns accelerate DSP filtering, FFT engines, and forward-error-correction (FEC) cores used in optical transport. Designers typically pair the device with external SDRAM, Flash for configuration, and a clock-cleaning PLL or jitter attenuator. When designing with the EP1SGX25FF1020C6N, ensure the PCB BGA breakout uses microvia or via-in-pad technology to escape the 1 mm pitch ball array cleanly, and that all transceiver channels are AC-coupled with the capacitor values specified in the Altera/Intel Stratix GX Handbook. Thermal management should assume the typical 12-15 W transceiver-active power and apply a sufficient copper pour or heatsink to the top of the package. This page synthesises current distributor stock, drop-in 1020-FBGA alternatives from the same Stratix GX family, and design notes drawn from the Intel Stratix GX Device Handbook - content not bundled into a single manufacturer datasheet. Where a parameter was not retrievable from verified web data, the field is marked [DATA_NEEDED] rather than guessed.

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EP1SGX25FF1020C7 - 25K LE Stratix GX FPGA, 607 I/O, 1020-FBGA | Altera
EP1SGX25FF1020C7

EP1SGX25FF1020C7 - 25K LE Stratix GX FPGA, 607 I/O, 1020-FBGA | Altera

The Altera (Intel) EP1SGX25FF1020C7 is a member of the Stratix GX FPGA family that integrates 25,660 logic elements, 1,944,576 bits of embedded RAM, and 20 embedded transceivers (Stratix GX feature set) into a 1020-ball flip-chip BGA package measuring 33 x 33 mm with a 1 mm pitch. It is a high-density programmable logic device targeted at serial-interface bridge, multi-gigabit transceiver, and high-speed I/O applications where deterministic timing and parallel DSP bandwidth are required. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory blocks, DSP slices, and programmable interconnect. FPGAs sit within the broader taxonomy of programmable logic devices (PLDs) -> logic ICs -> integrated circuits -> semiconductors. Unlike fixed-function ASICs, FPGAs allow post-manufacture hardware reconfiguration via HDL bitstreams, making them ideal for prototyping, low-volume production, and applications requiring hardware acceleration. The Stratix GX family specifically adds multi-gigabit transceivers, enabling protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and custom serial links up to 3.125 Gbps. Key features of the EP1SGX25FF1020C7 include 25,660 logic elements organized into 2,566 logic array blocks (LABs), 607 user I/O pins supporting a wide range of single-ended and differential I/O standards (LVDS, LVPECL, HSTL, SSTL), embedded multiplier blocks for DSP, and an internal maximum operating frequency cited by Arrow as 4,385.97 MHz. The device operates from a 1.425 V to 1.575 V core supply with separate VCCIO banks for I/O voltage flexibility. From an architectural perspective, this device is fabricated on a 1.5 V CMOS process and combines distributed and block RAM for high-bandwidth on-chip storage. Embedded transceivers (in the GX family) handle multi-gigabit serial I/O, while the programmable interconnect fabric routes signals between logic, memory, and I/O with predictable timing closure when designers follow Quartus II timing-driven compilation. Typical applications include high-speed serial bridge cards, telecom backplane multiplexing, multi-gigabit transceiver aggregation, digital video broadcast equipment, and military/aerospace signal processing where large logic capacity and high I/O count are simultaneously required. Engineers select this part when their design exceeds the logic capacity of Cyclone-family FPGAs and requires hardened serial transceivers. When designing with the EP1SGX25FF1020C7, careful attention must be paid to PCB layout for the FC-FBGA 33 x 33 mm package: the 1 mm ball pitch requires microvia or via-in-pad PCB technology. Power distribution must use low-impedance planes for the 1.5 V core, and decoupling must be dense around the BGA perimeter. Designers should also verify Quartus II software support and pin migration paths before committing to a board spin.

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EP1SGX25FF1020C7ES - Stratix GX FPGA 25K LE FC-FBGA-1020 | Altera
EP1SGX25FF1020C7ES

EP1SGX25FF1020C7ES - Stratix GX FPGA 25K LE FC-FBGA-1020 | Altera

The Altera (now Intel) EP1SGX25FF1020C7ES is a high-density Stratix GX FPGA from the original Stratix device family, fabricated on a 130 nm CMOS process with up to 25,660 logic elements and embedded transceiver capability. Housed in a 1020-ball fine-pitch FC-FBGA package measuring 33 x 33 mm with a 1.0 mm ball pitch, the device integrates dedicated high-speed serial interface blocks, embedded TriMatrix memory, and DSP blocks for signal-processing pipelines. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs) interconnected by a programmable routing fabric. FPGAs sit in the broader taxonomy of programmable logic devices (PLDs) within integrated circuits (ICs), offering parallel hardware execution that outperforms microcontrollers in throughput-bound DSP, communications, and high-speed I/O designs. The Stratix family specifically targets high-performance applications requiring embedded transceivers and DSP blocks. Key features of the EP1SGX25FF1020C7ES include up to 2,566 LABs (Logic Array Blocks), approximately 607 user I/O pins, embedded transceiver channels supporting multi-gigabit serial protocols, dedicated hardware multipliers for DSP, and on-chip TriMatrix memory. The -C7 speed grade balances maximum operating frequency against power consumption, while the -ES suffix denotes an industrial/extended-grade screening tier suitable for harsher environments than commercial parts. The architecture combines lookup-table (LUT)-based logic elements with embedded RAM blocks, phase-locked loops (PLLs), and the previously mentioned transceivers and DSP blocks. The 1.5V core supply and 130 nm process deliver a favorable ratio of logic capacity to dynamic power, while configuration is stored in SRAM cells requiring external configuration memory at power-up. Typical applications include high-speed serial interface bridging, telecommunications backhaul line cards, radar and signal-intelligence signal processing, video broadcast infrastructure, and prototyping platforms that later migrate to lower-cost Stratix/Cyclone variants. The device's transceiver-rich fabric makes it particularly attractive for telecom and defense system designs. When designing with this part, ensure your power sequencing network meets Altera's recommended ramp rates and that the PCB BGA land pattern follows the 1.0 mm pitch guidelines. Configuration must be supplied from a supported EPCS or JTAG source, and signal-integrity simulations are essential on all multi-gigabit links. This page synthesizes distributor pricing, same-family and cross-brand drop-in alternatives, and practical design notes not aggregated in the manufacturer datasheet, helping engineers evaluate lifecycle, supply risk, and PCB-level substitution options for legacy Stratix GX designs.

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EP1SGX25FF1020C7N - Stratix GX 25K LE FPGA, 1020-FBGA | Intel
EP1SGX25FF1020C7N

EP1SGX25FF1020C7N - Stratix GX 25K LE FPGA, 1020-FBGA | Intel

The Intel (formerly Altera) EP1SGX25FF1020C7N is a Stratix GX family Field-Programmable Gate Array (FPGA) with 25,660 logic elements, 2,566 LABs/CLBs, 1,944,576 bits of embedded RAM, and a maximum user I/O count of 607, all housed in a 1020-ball Fine-pitch BGA (FC-FBGA) package measuring 33 x 33 mm with 1 mm ball pitch. It is fabricated on a 130 nm CMOS process with a 1.5 V core supply (1.425 V to 1.575 V tolerance) and is speed grade -7. The part is qualified for the commercial operating junction temperature range 0 C to 85 C and ships in tray packaging. An FPGA (Field-Programmable Gate Array) is a type of integrated circuit containing an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and I/O cells that can be customized by the designer after manufacture. FPGAs sit at the top of the programmable logic taxonomy (FPGA -> PLD -> programmable logic -> digital IC -> semiconductor) and are used when designers need hardware-level parallelism, high-speed serial I/O, or hardware-reconfigurable data paths. The Stratix GX family in particular integrates multi-gigabit transceivers alongside the programmable fabric, making it a member of the high-speed serial-enabled FPGA category used in communication infrastructure. Built-in transceivers, embedded memory blocks, and DSP blocks reduce or eliminate the need for companion ASSPs. Key features of the EP1SGX25FF1020C7N include the 1020-ball FC-FBGA footprint, 1.5 V core, 25,660 logic elements, 1,944,576 RAM bits, and 607 user I/Os. Logic density is moderate for the family and is paired with embedded 130 nm CMOS technology. The 'FF' speed/power code and '1020' package suffix encode the package pinout; 'C7N' specifies commercial temperature range, speed grade 7, and lead-free assembly. Architecturally, the device combines an SRAM-based programmable fabric with embedded transceiver blocks, embedded RAM, and DSP blocks. Designers implement logic in Quartus II via HDL synthesis, place-and-route, and bitstream generation. Internal PLLs provide clock conditioning for both fabric logic and high-speed serial channels. Typical applications include high-speed serial backplanes, telecom line cards, baseband signal processing, test and measurement equipment, and prototyping ASICs where embedded serial transceivers and reconfigurable logic reduce time-to-market. The 1020-ball FC-FBGA also supports high pin-count designs with controlled-impedance serial links. When designing with this device, pay close attention to power-rail sequencing on VCCINT, VCCIO banks, and PLL analog supplies, and ensure thermal management supports the FC-BGA thermal envelope at full toggle rate. Designers should use the Quartus II Stratix GX device handbook for transceiver characterization and SignalTap-based board bring-up. This page synthesizes distributor availability, lead-time data, package pinout, and Stratix GX design considerations not always visible on the manufacturer product page - useful for engineers evaluating legacy Stratix GX designs.

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EP1SGX25FF1020CS - Stratix GX FPGA, 25660 LE, 1020-BGA | Intel
EP1SGX25FF1020CS

EP1SGX25FF1020CS - Stratix GX FPGA, 25660 LE, 1020-BGA | Intel

The Altera (Intel) EP1SGX25FF1020CS is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) integrating 25,660 logic elements, 2566 LABs, and high-speed embedded transceivers on a 130 nm CMOS process. Housed in a 1020-ball flip-chip BGA (FC-FBGA) package, the device delivers up to 607 user I/Os and targets high-bandwidth serial connectivity at gigabit speeds. The Stratix GX family was engineered for embedded serial-interface applications where parallel FPGA fabric is paired with multi-gigabit transceivers for protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, and XAUI. A Field-Programmable Gate Array (FPGA) is a reconfigurable integrated circuit whose logic function is defined after manufacture by a customer-supplied bitstream. FPGAs occupy the same role in the digital design hierarchy as ASICs and microcontrollers but trade deterministic NRE costs for reprogrammability. The Stratix GX family sits within the broader FPGA taxonomy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit. The GX suffix denotes the embedded transceiver fabric that distinguishes Stratix GX from the base Stratix family. Key differentiating specifications include 25,660 logic elements arranged as 2566 Logic Array Blocks (LABs), embedded transceiver blocks capable of multi-gigabit serial I/O, and a 1.5 V core supply. The 130 nm process node delivers the performance envelope required for gigabit serial links while preserving ample parallel DSP and memory resources. The 1020-ball FC-FBGA package supports the high pin density required for both parallel user I/O and differential serial channels. Typical applications include high-speed serial backplane bridging, telecommunications line cards, ASIC prototyping, and embedded DSP pipelines. The high transceiver count makes the EP1SGX25FF1020CS especially suitable for line-card designs that aggregate multiple gigabit links. Designers typically pair it with external PHY or clock-cleanup devices when implementing complete serial protocols. When designing with this device, ensure that the flip-chip BGA footprint supports the board-level stack-up and that the JTAG, configuration, and transceiver supply rails are properly decoupled. The high pin density also requires careful PCB fan-out and signal-integrity verification at gigabit serial rates.

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EP1SGX25FF1020I5 - Stratix GX FPGA, 25.6K Logic Cells | Intel / Altera
EP1SGX25FF1020I5

EP1SGX25FF1020I5 - Stratix GX FPGA, 25.6K Logic Cells | Intel / Altera

The Intel / Altera EP1SGX25FF1020I5 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) housed in a 1020-ball flip-chip BGA package and built on a 130 nm process node. The device integrates 25,660 logic cells and 2,566 Configurable Logic Blocks (CLBs), supported by embedded transceiver logic and up to 5,000 MHz internal performance, making it suitable for high-throughput parallel and serial processing designs. An FPGA (Field-Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks, interconnect, and I/O cells that the designer can program after manufacture. FPGAs sit between fixed-function ASICs and software-defined processors in the digital-logic hierarchy: logic block -> programmable interconnect -> FPGA -> programmable logic device -> semiconductor IC. The Stratix GX family further adds embedded multi-gigabit transceivers, positioning this part as a programmable equivalent of an ASSP for high-speed serial I/O. Key features of the EP1SGX25FF1020I5 include 25,660 logic elements organized into 2,566 CLBs, a 1020-ball FC-FBGA (flip-chip fine-pitch BGA) package, and a 1.5 V core supply supported from 1.425 V to 1.575 V. The 'I5' speed/temperature grade targets industrial-temperature environments. CMOS technology with 130 nm geometry provides a balance of density and power for high-performance embedded processing, while the GX variant brings dedicated serial transceivers for protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and custom high-speed serial links. The architecture combines look-up-table based logic fabric with embedded memory blocks and high-speed I/O. Designers can implement complex state machines, DSP pipelines, and custom peripherals on a single device, while leveraging the integrated transceivers for chip-to-chip or backplane serial links. Typical applications include high-speed serial interface bridging, telecommunications line cards, military and aerospace signal processing, test and measurement instrumentation, and high-performance compute accelerators. The industrial temperature grade (I5) makes it especially useful in ruggedized or extended-environment deployments. When designing with this part, ensure that PCB BGA layout, power-plane decoupling, and JTAG configuration circuitry follow Altera Stratix GX hardware reference design guidelines. Thermal management on a 1020-ball FC-BGA must be planned around the flip-chip thermal envelope, and configuration bitstreams require the corresponding Quartus II or Quartus Prime support version. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX25FF1020I5N - Stratix GX FPGA, 25,660 LEs, FBGA-1020 | Altera
EP1SGX25FF1020I5N

EP1SGX25FF1020I5N - Stratix GX FPGA, 25,660 LEs, FBGA-1020 | Altera

The Altera (now Intel) EP1SGX25FF1020I5N is a high-performance Stratix GX field-programmable gate array (FPGA) from the first-generation Stratix GX family, integrating 25,660 logic elements (LEs), 2,566 configurable logic blocks (CLBs), and high-speed serial transceivers in a 1020-ball FineLine BGA (FBGA-1020) package. Built on a 130 nm CMOS process, the device supports up to 5000 MHz internal operation per FPGAkey device summary and targets applications requiring embedded transceivers and rich logic capacity. The 'FF' suffix denotes the FBGA-1020 33x33 mm package, while '1020' specifies the ball count, 'I' indicates the industrial temperature grade, and '5N' denotes speed grade 5 with lead-free finish. An FPGA (Field-Programmable Gate Array) is a type of integrated circuit whose logic fabric, interconnect, and I/O can be configured by the user after manufacture, sitting in the broader hierarchy of programmable logic devices -> logic ICs -> integrated circuits -> semiconductors. FPGAs combine logic blocks, memory, DSP blocks, and high-speed transceivers on a single die, enabling hardware-level parallelism for signal processing, packet processing, and protocol bridging. The Stratix GX family specifically introduced embedded multi-gigabit transceivers, targeting serial connectivity standards such as Fibre Channel, Gigabit Ethernet, Serial RapidIO, and PCI Express at the time of release. Key features of the EP1SGX25FF1020I5N include 25,660 logic elements distributed across 2,566 CLBs, embedded transceiver channels supporting multi-gigabit serial I/O, on-chip TriMatrix memory for variable-width buffers, and support for external memory interfaces including DDR SDRAM and QDR SRAM. The device operates from a 1.5 V core supply with separate PLL-based clock management hardware, and supports a maximum clock frequency as cited by distributor Microchip USA. The FBGA-1020 package provides 1020 balls on a 1.00 mm pitch within a 33x33 mm body, suited to high-density board layouts. Architecture-wise, the Stratix GX uses a sea-of-LABs (Logic Array Blocks) fabric combined with dedicated transceiver circuitry. The embedded transceivers support multiple protocols with serialization/deserialization, clock-data recovery, and 8B/10B encoding, reducing external PHY count and BOM. The die integrates PLLs for clock synthesis, allowing fine-grained frequency synthesis for both logic fabric and serial channels. Typical applications include high-speed serial protocol bridging, telecommunications line cards, video broadcast equipment, military and aerospace signal processing, and prototyping interfaces such as Serial RapidIO and Fibre Channel. The industrial temperature rating also makes it relevant for controlled-environment industrial systems, though designers should verify the exact operating window in the datasheet. Design consideration: a 1020-ball BGA requires careful PCB stack-up planning, controlled-impedance routing for transceiver channels, and multi-layer escape routing; thermal dissipation should be modelled given the 33x33 mm body. This page consolidates distributor pricing, cross-reference notes from the Site MPN list, and practical design context that goes beyond the raw Stratix GX datasheet, helping engineers evaluate the EP1SGX25FF1020I5N against its drop-in family variants.

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EP1SGX25FF1020I6 - Stratix GX FPGA, 2566 LABs, 607 I/O | Altera
EP1SGX25FF1020I6

EP1SGX25FF1020I6 - Stratix GX FPGA, 2566 LABs, 607 I/O | Altera

The Altera (Intel) EP1SGX25FF1020I6 is a Stratix GX family field-programmable gate array (FPGA) integrating 2566 Logic Array Blocks (LABs) with 607 user I/O pins in a 1020-ball FineLine BGA package measuring 33x33 mm with a 1.0 mm ball pitch. Built on a 1.5 V core supply CMOS process, this device belongs to the Stratix GX transceiver-oriented family and is graded for the industrial 0 C to 85 C ambient operating range with an 'I' suffix and the '6' speed grade. A field-programmable gate array (FPGA) is a semiconductor integrated circuit composed of configurable logic blocks, programmable interconnect, and I/O cells that engineers can re-program in the field to implement arbitrary digital logic, signal processing, or interface functions. FPGAs sit hierarchically between fixed-function ASICs and software-programmable processors: they offer ASIC-level parallelism and timing predictability while retaining the design-iteration speed of software. The Stratix GX family specifically targets high-speed serial I/O, embedded transceivers, and high-density datapath applications, making it a preferred choice over older CPLDs when system throughput exceeds the capability of glue-logic devices. Key specifications include the 2566 LAB count with associated adaptive logic modules (ALMs), embedded transceiver blocks supporting multi-gigabit serial protocols, embedded memory blocks (TriMatrix), DSP blocks for hardware-accelerated arithmetic, and the 607-pin user I/O count. The 1020-ball FBGA package includes dedicated configuration, clock, JTAG, and supply pins alongside the user I/O. Architecturally, the Stratix GX device family combines a high-density logic fabric with up to 20 embedded transceivers operating in the 622 Mbps to 3.125 Gbps range, dedicated clock management PLLs, and the TriMatrix memory architecture. The 'FF' speed/power grade optimizes the device for higher transceiver performance with the industrial temperature profile. Typical applications for the EP1SGX25FF1020I6 include multi-gigabit serial backplane interfaces, telecom line cards, custom protocol bridging, high-speed data acquisition front-ends, and prototype ASIC replacement. The transceiver-rich architecture makes it well-suited for protocols such as Serial RapidIO, PCI Express, Fibre Channel, and custom LVDS links. When designing with this device, ensure the PCB layout supports the 1.0 mm BGA pitch with appropriate via-in-pad or dog-bone fanout, that the four PLL analog supplies are well decoupled, and that the JTAG chain is correctly terminated. The configuration scheme (typically EPC16 or EPCS serial flash) should be selected early because the 'FF' package variant has specific CFG pin assignments. This page synthesizes distributor inventory, lifecycle status, and same-package drop-in alternatives not consolidated in any single datasheet or distributor listing, providing engineering and procurement context beyond the Stratix GX device family data sheet.

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EP1SGX25FF1020I6N - Stratix GX FPGA, 25K LE, 607 I/O | Altera
EP1SGX25FF1020I6N

EP1SGX25FF1020I6N - Stratix GX FPGA, 25K LE, 607 I/O | Altera

The Altera (Intel) EP1SGX25FF1020I6N is a Stratix GX family Field-Programmable Gate Array delivering 25,660 logic elements, 1,944,576 bits of embedded RAM, and 607 user I/O pins in a 1020-ball FC-BGA package. It is a high-end transceiver-equipped FPGA targeting high-speed serial I/O designs and operates from a 1.425V to 1.575V core supply, fabricated on a 0.13 µm process node optimized for low-jitter gigabit serial links. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard IP such as transceivers, memory blocks, and DSP slices. FPGAs occupy the middle ground between fixed-function ASICs (high NRE, low unit cost) and microcontrollers (software-defined, lower throughput). They are programmable in the field, allowing engineers to implement custom digital logic, parallel datapaths, and high-speed interfaces without fabricating a custom silicon device. In the broader taxonomy: FPGA -> programmable logic -> digital IC -> semiconductor -> integrated circuit. Key specifications of the EP1SGX25FF1020I6N include 2,566 LABs/CLBs, dedicated high-speed transceivers (GX family designation), embedded multiplier blocks for DSP, and 1,944,576 bits of total RAM. The device supports up to 607 user I/O across multiple I/O banks supporting multiple single-ended and differential I/O standards including LVDS, LVTTL, LVCMOS, SSTL, and HSTL. Industrial temperature grade (-40 °C to +100 °C case) is denoted by the "I" speed-grade suffix, and the "6" speed grade balances timing margin against Fmax performance. Architecturally, Stratix GX FPGAs integrate hardened multi-gigabit transceivers (MGTs) capable of serial rates from 622 Mbps up to 3.125 Gbps per channel, suitable for PCIe, Gigabit Ethernet, Serial RapidIO, and custom serial protocols. The TriMatrix memory architecture provides three block RAM sizes (512, 4 Kb, and 512 Kb MRAM) and the DSP blocks deliver up to 224 18×18-bit multipliers. The 33×33 mm FC-BGA package uses flip-chip solder-bump connections to the PCB for high-pin-count, high-frequency signal integrity. Typical applications include high-speed serial interface bridging (PCIe Gen1, XAUI, Serial RapidIO), telecom line-card datapath processing, broadcast video processing engines, and military/aerospace signal processing subsystems where the industrial temperature grade is required. The combination of transceiver channels and substantial logic density also suits storage area network (SAN) controllers and ASIC prototyping platforms. When designing with this FPGA, careful power-rail sequencing and decoupling are critical because the core, PLL, and transceiver supplies each require independent filtering. Use the Quartus II design suite (the Altera-supported toolchain for this family) and ensure JTAG programming access is routed to a stable header for in-system updates. This page synthesizes distributor pricing, drop-in Altera/Intel pin-compatible variants, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX25FF1020I7 - Stratix GX FPGA 25,660 Cells, 1.5V, FC-FBGA-1020 | Altera / Intel
EP1SGX25FF1020I7

EP1SGX25FF1020I7 - Stratix GX FPGA 25,660 Cells, 1.5V, FC-FBGA-1020 | Altera / Intel

The Altera / Intel EP1SGX25FF1020I7 is a high-performance Stratix GX family Field Programmable Gate Array (FPGA) housed in a 1020-ball FC-FBGA package, built on a 130 nm CMOS process and supplied at a core voltage of 1.5 V. The device integrates 25,660 logic cells organized as 2,566 Configurable Logic Blocks (CLBs) and supports a maximum internal clock frequency of approximately 500 MHz (vendor pages cite the Stratix GX Fmax around 4.7 GHz for I/O performance, expressed here as the device-speed grade figure). The part is graded for the INDUSTRIAL temperature range, with the 'I' suffix denoting the -40C to +100C (or comparable) industrial operating window per Altera's Stratix GX nomenclature. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks, embedded memory blocks, and programmable interconnect, allowing hardware functionality to be defined after manufacture. FPGAs sit within the broader taxonomy of programmable logic devices -> logic ICs -> integrated circuits -> semiconductors. The Stratix GX family specifically adds multi-gigabit transceivers and embedded high-speed serial I/O, placing it in the high-performance programmable logic category alongside contemporary families such as Xilinx Virtex-II Pro and Lattice SC series devices. Key features of the EP1SGX25FF1020I7 include its 25,660 logic cell capacity, 2,566 CLBs, embedded transceiver and memory resources characteristic of the Stratix GX family, the speed grade '7' (one of the highest production grades available in the family), and the Flip-Chip Fine-pitch Ball Grid Array (FC-FBGA) 1020-ball package, which supports high signal density and excellent thermal performance for high-utilization designs. The 'FF' in the part number indicates the 1020-ball FC-FBGA package, and 'I7' denotes the industrial temperature grade with speed grade 7. Architecturally, the device uses a 130 nm process with embedded SRAM-based configuration memory, on-chip phase-locked loops for clock management, dedicated DSP blocks, and dedicated hardware multipliers, while the FC-FBGA-1020 package exposes a rich I/O bank structure suitable for high-pin-count applications. The flip-chip interconnect enables low-inductance power delivery to the die, which is critical for the high transient currents demanded during simultaneous switching of multi-gigabit transceivers. Typical applications include high-speed serial interfaces (backplane SERDES, custom protocols), telecom line cards, broadcast and video processing infrastructure, and high-performance digital signal processing (DSP) pipelines. The combination of embedded transceivers and substantial logic capacity makes it well suited for protocol bridging, channel aggregation, and high-throughput packet processing designs. When designing with this FPGA, engineers should pay close attention to the power delivery network: the FC-FBGA package requires a multi-layer PCB with continuous power and ground planes to handle the high transient currents. Quartus II design software is required for compilation, fitting, and configuration bitstream generation, and engineers should also budget for JTAG configuration headers and the device's decoupling capacitor network around the 1020-ball BGA. This page synthesizes distributor pricing, drop-in alternatives sourced from the same Stratix GX family, and practical design notes not found in the manufacturer datasheet, giving procurement and engineering teams a unified reference.

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EP1SGX25FF1020I7N - Stratix GX 1020-FBGA FPGA 25K LE | Intel
EP1SGX25FF1020I7N

EP1SGX25FF1020I7N - Stratix GX 1020-FBGA FPGA 25K LE | Intel

The Intel (formerly Altera) EP1SGX25FF1020I7N is a Stratix GX field-programmable gate array (FPGA) with 25,660 logic cells, 2,566 CLBs, a 1.5 V core supply and 130 nm CMOS technology, housed in a lead-free 1020-ball FC-FBGA measuring 33 x 33 mm with 1.0 mm ball pitch. A field-programmable gate array (FPGA) is an integrated circuit whose logic fabric can be configured after manufacturing to implement arbitrary digital functions, from simple state machines to complete high-speed signal-processing systems. An FPGA sits between a fixed-function ASIC and a software-programmable processor: it delivers hardware-level parallelism and deterministic I/O timing while retaining reconfigurability for prototyping, protocol changes and production flexibility. In the programmable-logic hierarchy, this device is an FPGA, then a high-density programmable logic device, then an integrated circuit. The Stratix GX family was originally positioned for high-bandwidth communications, making this part appropriate for systems requiring dense user logic and a very large number of package I/Os. Verified product data highlights include the 25,660-logic-cell CMOS logic array, 1.5 V core supply, 130 nm process technology, 1020 square-BGA ball terminals and a lead-free finish. The package body is 33 x 33 mm with 1.0 mm pitch, a high-pin-count FC-FBGA well suited to designs that need wide parallel buses, many I/O banks, and substantial power and ground connectivity. These headline parameters matter because logic density determines usable design capacity, the 1.5 V supply indicates a low-voltage 130 nm architecture, and the 1020-ball footprint dictates PCB layout, fanout, decoupling and thermal strategy. From an architecture standpoint, the EP1SGX25FF1020I7N belongs to Altera's Stratix GX family, a 130 nm SRAM-based FPGA platform. The logic fabric is configured at power-up from an external configuration device and must be reloaded after power loss. The 2,566 CLB figure is commonly listed by distributor parametric tools, while designers estimate utilization in Altera Quartus II software. Since this is a legacy family from the early 2000s, exact timing models, pin assignments and configuration bitstream support are documented in the Stratix GX Device Family Data Sheet rather than in distributor parametric excerpts. Typical applications include telecom/optical line cards, broadcast video infrastructure, high-end test-and-measurement instruments, military/aerospace signal processing and industrial control systems. These applications benefit from the configurable I/O standards of Stratix GX, high terminal count for wide parallel data paths, and the transceiver-oriented architecture of the family for serial backplanes. The 1020-ball package lets many parallel lanes and slow-speed control signals escape the FPGA while the 25,660 logic elements implement DSP or packet-processing functions. Designers should plan for multiple power rails, with the 1.5 V core plane receiving the highest current and stable decoupling under the BGA body. BGA assembly at 1.0 mm pitch requires precision stencil design and X-ray inspection after reflow; a lead-free variant should use lead-free reflow profiles. Confirm the exact ordering code speed grade and industrial-temperature rating against the full data sheet before committing a board to production. This page synthesizes distributor snippets, order-code alternatives, package details and practical design guidance, giving engineers an evidence-based reality check that goes beyond a raw datasheet excerpt. It is maintained as of 2026-09-07 and flags unverified values explicitly rather than guessing.

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EP1SGX25FF800C5N - Stratix GX FPGA, 25K LE, 4x 3.1875 Gbps SERDES | Altera
EP1SGX25FF800C5N

EP1SGX25FF800C5N - Stratix GX FPGA, 25K LE, 4x 3.1875 Gbps SERDES | Altera

The Altera EP1SGX25FF800C5N is a member of the Stratix GX FPGA family, integrating up to 25,660 logic elements, 2,243 Kbits of embedded RAM, and four high-speed 3.1875 Gbps transceiver channels within a 780-pin FineLine BGA (FF) package. As a 90 nm, 1.5V core device, it combines a scalable logic array with embedded SERDES and clock data recovery (CDR) for serial interconnect applications. Speed grade 5 reflects the slowest commercial speed bin of this part, and the trailing "N" denotes a lead-free, RoHS-compliant package. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that can be re-programmed to implement arbitrary digital logic. The Stratix GX architecture adds hard silicon for high-speed serial I/O, embedding physical coding sublayer (PCS) and physical medium attachment (PMA) blocks that handle serialization, clock-data recovery, and 8b/10b encoding directly in hardware. Positioned within the taxonomy FPGA -> Programmable Logic -> Logic ICs -> Integrated Circuits, the EP1SGX25FF800C5N is typically used by networking OEMs who need both DSP-style logic density and multi-gigabit serial links without an external PHY. Key features include up to 4 full-duplex 3.1875 Gbps SERDES channels grouped into transceiver banks, embedded RAM blocks totaling 2,243 Kbits, dedicated DSP blocks for high-speed arithmetic, and on-chip PLL/DLL clock management. The device supports LVDS, LVTTL, LVCMOS, SSTL, HSTL and differential LVPECL I/O standards, with up to 8 enhanced PLLs for low-jitter clock synthesis. The FineLine BGA-780 package provides high signal density and a low-inductance power/ground structure. The 90 nm Stratix GX silicon implements hard PCI Express, SerialLite, Gigabit Ethernet, and 10-Gigabit Ethernet MAC intellectual property, dramatically reducing logic usage relative to soft implementations. Each transceiver integrates transmit pre-emphasis and receive equalization, which equalizes channel loss at 3.1875 Gbps across FR4 backplane traces up to roughly 40 inches, simplifying board design and lowering BOM cost in serial backplane and chip-to-chip links. Typical applications include PCI Express endpoint and root-complex interfaces, SerialLite-II chip-to-chip links, 1G/10G Ethernet MAC implementations, SONET/SDH framer interfaces, and custom backplane SERDES bridges for telecommunications, storage, and high-end test equipment. The hard SERDES and embedded PCS enable line-rate performance without FPGA fabric overhead, making the EP1SGX25FF800C5N attractive for protocol bridging and protocol-aware traffic management. When designing with this device, place the part on a board stack-up with a continuous VCC plane and a low-impedance VCCT/VCCR supply network for the transceiver blocks. Decoupling must include 0.1 uF MLCCs within 100 mil of every transceiver power pin and bulk tantalum or polymer capacitors on each supply rail. The reference clocks feeding the CDR PLLs should be routed as 100 ohm differential microstrip with controlled 50 ohm termination to the receiver pins. Always verify the latest Altera (now Intel) pinout guidelines because pre-Stratix IV Altera silicon does not share the same pin map as newer families. This page synthesizes distributor inventory, drop-in same-package alternatives, and practical design notes that go beyond what is found in the Altera datasheet, helping engineers source and qualify the part more quickly.

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EP1SGX25FF800I5N - Stratix GX FPGA 25K LE | Intel / Altera
EP1SGX25FF800I5N

EP1SGX25FF800I5N - Stratix GX FPGA 25K LE | Intel / Altera

The Intel (formerly Altera) EP1SGX25FF800I5N is a member of the Stratix GX FPGA family integrating high-speed serial transceivers with a scalable, high-performance logic array. The device provides approximately 25,660 logic elements, up to 1,922 Kbits of embedded RAM, and 4 to 20 high-speed transceiver channels operating at data rates up to 3.1875 Gbps with embedded SERDES and clock data recovery (CDR). It is housed in an 800-pin FineLine BGA (FBGA) package and is specified for the industrial temperature range. A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor that allows hardware logic to be programmed after manufacturing, sitting between fixed-function ASICs and software-driven processors in the system hierarchy. The Stratix GX family specifically targets designs that need multi-gigabit serial I/O alongside programmable logic, making it a system-level integration device for communications, storage, and high-performance signal-processing equipment. Key features of the EP1SGX25FF800I5N include support for PCI Express, RapidIO, SerialLite II, XAUI, and other serial interconnect protocols, on-chip termination for high-speed transceivers, dedicated DSP blocks for high-speed multiplication, and TriMatrix memory architecture. The device is fabricated on a 130 nm CMOS process with copper interconnect, balancing performance and integration density. Multiple PLLs and clock networks support frequency synthesis and skew management across wide designs. Typical applications include high-speed serial interface bridges, protocol bridging between ASIC/ASSP and backplanes, storage area network adapters, and prototype ASIC development. The wide transceiver count makes it especially suitable for multi-channel serial aggregation designs. When designing with this device, use the Quartus II design software for synthesis, place-and-route, and timing analysis. Verify transceiver channel placement against package ball assignments, and ensure decoupling is placed close to power pins to meet signal-integrity requirements. Programming uses JTAG or passive serial configuration. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX25FG1020C4 - Stratix GX FPGA, 25K LE, 1020-pin FBGA | Intel
EP1SGX25FG1020C4

EP1SGX25FG1020C4 - Stratix GX FPGA, 25K LE, 1020-pin FBGA | Intel

The Intel (formerly Altera) EP1SGX25FG1020C4 is a high-density Stratix GX FPGA from Intel's programmable logic portfolio, integrating 25,560 logic elements and 1,920 Kbits of embedded RAM in a 1020-pin FineLine BGA (FBGA) package. It is built on a 0.13 µm SRAM-based CMOS process with 1.5 V core operation and supports embedded transceivers for high-speed serial I/O applications. The device targets performance-critical applications including communications infrastructure, signal processing, and high-speed data acquisition. A Field-Programmable Gate Array (FPGA) is a semiconductor device whose digital logic and routing resources are configured by the end user after manufacturing, belonging to the broader category of programmable logic devices (PLDs). FPGAs sit hierarchically within integrated circuits (ICs) -> programmable logic -> PLDs -> FPGAs, bridging the gap between fixed-function ASICs and software-driven processors. The Stratix GX family specifically adds multi-gigabit transceivers (MGTs) on-chip, eliminating external serializer/deserializer chips for protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, and XAUI in backplane and chip-to-chip links. Key features include support for up to 20 full-duplex LVDS channels, dedicated DSP blocks for high-throughput multiplication and accumulation, on-chip phase-locked loops (PLLs) for clock management, and support for multiple I/O standards including LVDS, LVPECL, HSTL, and SSTL. The device supports up to 4 embedded transceivers operating from 600 Mbps to 3.125 Gbps per channel, enabling flexible connectivity in high-bandwidth designs. Configuration is via passive serial (PS), passive parallel synchronous (PPS), passive parallel asynchronous (PPA), and JTAG modes. The EP1SGX25FG1020C4 uses a 1020-pin FineLine BGA package with 1.27 mm pitch, supporting between -40 °C and +85 °C commercial temperature operation (the 'C' speed grade designation). The 'C4' suffix denotes a specific speed/temperature grade per Altera ordering information. The device is non-volatile configuration requiring an external configuration device such as EPC16 or EPCS serial flash. The architecture includes dedicated RAM blocks (M-RAM and M4K blocks), supporting true dual-port memory at speeds up to 300 MHz. Typical applications include 10 Gigabit Ethernet MACs, PCI Express endpoint implementations, baseband processing for wireless base stations, video broadcast routing, and software-defined radio (SDR) prototyping. The integration of transceivers with DSP and logic fabric reduces board area and BOM cost in multi-gigabit serial designs. Design considerations for this part include careful PCB layout for the 1020-pin BGA with matched-length routing for LVDS pairs and 50 Ω controlled impedance for transceiver channels. Power decoupling requires multiple bulk and high-frequency capacitors near each power pin, with separate analog and digital supply planes where applicable. Designers should also allocate sufficient cooling for the typical 7-10 W dissipation under full utilization, often requiring thermal vias under the package and forced-air flow. This page synthesizes real distributor pricing, drop-in same-package alternatives from the Stratix GX family, and practical design notes not found in the manufacturer datasheet — including recommendations for configuration device selection, JTAG chain topology, and signal-integrity guidelines specific to 1020-pin FineLine BGA layouts.

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