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EP1SGX10DF672I6 - Stratix GX FPGA, 10570 LEs, 672-FBGA | Intel
EP1SGX10DF672I6

EP1SGX10DF672I6 - Stratix GX FPGA, 10570 LEs, 672-FBGA | Intel

The Intel EP1SGX10DF672I6 is a member of the Stratix GX FPGA family, delivering 10,570 logic elements, 920,448 bits of embedded RAM, and integrated 3.125 Gbps transceivers in a 672-pin FC-FBGA package. It is built on a 130 nm CMOS process, operates from a 1.5 V core supply with separate transceiver and I/O rails, and is specified over the commercial 0 to 85 C temperature range. A field-programmable gate array (FPGA) is a semiconductor device whose logic, interconnect, and I/O behaviour are defined after manufacture by a configuration bitstream. Within the power-management and signal-processing hierarchy, the Stratix GX family sits at the high-performance tier above CPLDs: it combines programmable logic fabric, embedded multipliers, block memory, and hardened high-speed serial interface (HSSI) transceivers on a single die, allowing designers to implement complete digital subsystems including packet processing, baseband modulation, and SERDES-based backplanes without external PHY devices. Key features include 10570 logic elements, 920448 RAM bits, 12 transceiver channels supporting serial rates up to 3.125 Gbps, 4 phase-locked loops for clock management, embedded multipliers for DSP, and 362 user I/O pins. The DF672 package combines a 33 x 33 mm FC-FBGA body with a 1.0 mm ball pitch, easing PCB escape routing in multilayer boards. Architecturally, Stratix GX integrates dedicated SERDES physical coding sublayer (PCS) and physical media attachment (PMA) blocks alongside the TriMatrix memory, DSP blocks, and Logic Array Blocks (LABs). This heterogeneous fabric shortens critical paths for multi-gigabit serial links and reduces the latency that discrete PHY solutions would otherwise add to the design. Typical applications include multi-gigabit serial backplanes, SONET/SDH and Fibre Channel interfaces, custom SERDES-based protocol bridges, ASIC prototyping, and high-throughput data-acquisition front ends. Designers also use this device for prototype validation of next-generation ASICs before mask commitment, leveraging its high logic density and on-chip transceivers. When designing with the EP1SGX10DF672I6, allocate separate analog and digital supply planes for the transceiver and PLL blocks to meet jitter specifications, and follow the Quartus II power-estimation flow before board sign-off. The 672-ball FC-FBGA package requires a controlled-impedance stack-up and Xilinx/Altera-recommended decoupling to maintain signal integrity on the SERDES lanes. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the Stratix GX family, and practical Quartus II design notes not found in the standalone datasheet, giving procurement and FPGA engineers a single reference for sourcing and substitution decisions.

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EP1SGX10DF672I6N - Stratix GX FPGA, 10K LEs, 362 I/O | Intel
EP1SGX10DF672I6N

EP1SGX10DF672I6N - Stratix GX FPGA, 10K LEs, 362 I/O | Intel

The Intel (formerly Altera) EP1SGX10DF672I6N is a high-density Stratix GX Field Programmable Gate Array (FPGA) featuring 10,570 logic elements, 920,448 bits of embedded RAM, 10570 logic cells, and 362 user I/O pins, packaged in a 672-ball FineLine BGA (FBGA-672) measuring 33 x 33 mm with 1 mm pitch. Operating from a 1.5 V core supply (1.425 V to 1.575 V), the device combines a rich logic fabric with up to 20 embedded transceivers, supporting high-speed serial I/O for serial RapidIO, 10G Ethernet XSBI, and other gigabit serial protocols. An FPGA (Field Programmable Gate Array) is a programmable logic device consisting of an array of configurable logic blocks (CLBs), embedded memory, DSP blocks, and routing resources, all controlled by SRAM-based configuration bits. Within the broader taxonomy of digital integrated circuits, an FPGA sits above application-specific standard products (ASSPs) and below full-custom ASICs: it offers higher density and parallel processing than a microcontroller, while preserving the reprogrammability and time-to-market advantage over fixed-function ASICs. The Stratix GX family specifically targets high-speed serial interconnect, embedding multi-gigabit transceivers alongside the general-purpose fabric. Key features of the EP1SGX10DF672I6N include 1,200 CLBs distributed across the 10,570-logic-element array, 920 Kbits of total RAM, support for external memory interfaces including DDR SDRAM, QDR SRAM, and FCRAM, dedicated DSP blocks for high-throughput signal processing, and the integrated high-speed serial transceivers that distinguish the Stratix GX family from the base Stratix line. Configuration is typically loaded through the JTAG interface or via an external EPC configuration device. Architecturally, the device is built on a 0.13 µm CMOS process with 1.5 V core operation. The integrated transceivers operate at data rates up to 3.125 Gbps per channel, enabling protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, and XSBI. The combination of high logic density, abundant block RAM, and integrated serial I/O makes the EP1SGX10DF672I6N well suited to communication infrastructure and high-performance data-path applications. Typical applications include 10 Gigabit Ethernet switching fabric, serial RapidIO bridges for wireless baseband, custom PCI Express endpoints, high-speed serial protocol bridging, and ASIC prototyping where designers validate large designs before committing to mask-based silicon. The wide I/O count also suits it to data-acquisition front-ends that aggregate many parallel channels. When designing with this device, designers should consider the 1.5 V core supply decoupling network (multiple bulk and ceramic caps placed close to the package), the configuration scheme (JTAG vs EPC device), and the thermal envelope under sustained transceiver operation - the FBGA-672 package requires careful PCB layout for power and ground integrity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the Altera Stratix GX Device Handbook (Volume 1).

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EP1SGX25-CF672-I6 - Stratix GX FPGA, 25K LEs, 672-FBGA | Altera
EP1SGX25-CF672-I6

EP1SGX25-CF672-I6 - Stratix GX FPGA, 25K LEs, 672-FBGA | Altera

The Altera EP1SGX25-CF672-I6 is a high-density Stratix GX field-programmable gate array (FPGA) delivering 25,660 logic elements, 1,944,576 RAM bits, and 2,566 LABs in a 672-ball fine-pitch BGA package. It is built on a 1.5 V CMOS process, integrates up to 20 multi-gigabit transceivers at 3.125 Gbps per channel, and provides 455 user I/O pins for high-bandwidth parallel interfaces. The device supports industrial-grade -40 °C to 100 °C junction temperature operation per the -I6 speed-grade designation. An FPGA (Field-Programmable Gate Array) is a reprogrammable integrated circuit consisting of an array of configurable logic blocks (LABs/CLBs), embedded memory, DSP blocks, phase-locked loops, and programmable interconnect that an engineer can configure after manufacture to implement arbitrary digital logic. FPGAs belong to the larger class of programmable logic devices (PLDs) and sit within the hierarchy of digital semiconductors: FPGA -> programmable logic -> logic IC -> integrated circuit. They are widely used as hardware prototyping platforms, ASIC replacements in low-to-mid volume production, and as glue logic in systems that require parallel high-speed signal processing. Key differentiating specifications include 25,660 logic elements for high gate density, 1,944,576 embedded RAM bits arranged in TriMatrix memory blocks, 14 DSP blocks for fixed- and floating-point arithmetic, and up to 20 embedded transceivers supporting SERDES protocols such as PCI Express, Serial RapidIO, FibreChannel, and Gigabit Ethernet. The device also integrates eight phase-locked loops (PLLs) for clock synthesis and skew management. The Stratix GX architecture combines a high-performance logic fabric with hard IP for serial interfaces, eliminating the soft-IP overhead that would otherwise consume logic resources. The 672-ball FBGA package exposes 455 user I/O and uses a 1.0 mm ball pitch, enabling high pin-count density while remaining compatible with standard PCB assembly processes. Typical applications include high-speed serial interface bridging (PCIe, Serial RapidIO, FibreChannel), telecommunications line cards and backplanes, military radar and signal processing subsystems, network equipment with deep packet inspection, and ASIC prototyping. The combination of multi-gigabit transceivers and abundant on-chip memory makes the EP1SGX25 well suited for protocols that require both wire-speed logic and packet buffering. When designing with this part, pay close attention to power estimation: the I6 speed grade trades maximum frequency for the industrial temperature window, so Quartus timing closure may require multi-corner sign-off. Decoupling requires a high-density, low-ESR network because simultaneous switching of hundreds of I/O can generate significant SSO noise on the supply rails. The part is now mature - production status should be re-validated against current distributor stock before committing to a new design. This page synthesizes distributor pricing, same-family pin-compatible drop-in alternatives, lifecycle observations, and design guidance not present in any single manufacturer datasheet.

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EP1SGX25CF672C5 - 25,660-LE Stratix GX FPGA, 672-FBGA | Altera (Intel)
EP1SGX25CF672C5

EP1SGX25CF672C5 - 25,660-LE Stratix GX FPGA, 672-FBGA | Altera (Intel)

The Altera (Intel) EP1SGX25CF672C5 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) housed in a 672-pin FineLine BGA (FCBGA) package measuring 27 mm x 27 mm. Built on a 1.5 V core, 0.13 µm CMOS process, the device integrates 25,660 logic elements, 1,944,576 bits of embedded RAM, and 455 user I/O pins, making it suitable for high-throughput serial-link and DSP-centric designs. The integrated transceiver fabric and embedded multiplier blocks position the part as a drop-in upgrade path for legacy Stratix GX prototypes and production builds. An FPGA (Field-Programmable Gate Array) is a reprogrammable semiconductor device that combines configurable logic blocks, programmable interconnect, and dedicated hard IP (such as transceivers, block RAM, and DSP slices) on a single die. FPGAs sit between general-purpose microcontrollers and fixed-function ASICs in the design hierarchy, offering parallel processing, hardware-level determinism, and post-production flexibility. The Stratix GX family specifically targets high-speed serial I/O and embedded transceiver applications, while the parent Stratix I family provides the logic fabric and DSP blocks. This places the EP1SGX25CF672C5 in the broader category of programmable logic devices (PLDs) within the semiconductor hierarchy. Key features of the EP1SGX25CF672C5 include 2,566 LABs (Logic Array Blocks), 12 transceiver channels capable of multi-gigabit serial operation, 14 embedded 18x18 multipliers, and four PLLs for clock synthesis and management. The 672-FBGA package exposes 455 user I/O and supports both 1.5 V and 1.8 V I/O standards, with LVDS, LVTTL, LVCMOS, SSTL, and HSTL support. The device also integrates 6 embedded TriMatrix memory blocks for high-bandwidth on-chip storage. The Stratix GX architecture combines a fine-grained logic fabric with embedded transceiver physical coding sublayers, enabling line-rate processing of protocols such as PCI Express, Serial RapidIO, Fibre Channel, and 10 Gbps Ethernet. The hard multiplier array accelerates DSP operations including FFTs, FIR filters, and baseband signal processing. The device is supported by the Altera Quartus II design suite, including SOPC Builder for system-level integration and SignalTap II for on-chip logic analysis. Typical applications include line-card interface bridges for telecom equipment, serial backplane aggregation in storage and switching systems, software-defined radio front-ends, and DSP co-processing in medical imaging and defense electronics. The high logic density also makes the device attractive for ASIC prototyping and hardware emulation. The combination of 25,660 logic elements and 12 multi-gigabit transceivers allows designers to implement both glue logic and physical-layer functions on a single die. When designing with the EP1SGX25CF672C5, ensure the 1.5 V core supply is decoupled with bulk ceramic and electrolytic capacitors per the Quartus II power distribution network guidelines. The 672-FBGA package requires a multi-layer PCB with microvia or via-in-pad technology; signal integrity analysis is recommended for all 12 serial links. The part operates over the commercial 0°C to +85°C temperature range and ships in tray packaging, which is standard for high-density FPGAs of this generation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a single, decision-ready reference for sourcing and integrating the EP1SGX25CF672C5.

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EP1SGX25CF672C6 - Stratix GX FPGA 25K LE, 672-BGA | Intel
EP1SGX25CF672C6

EP1SGX25CF672C6 - Stratix GX FPGA 25K LE, 672-BGA | Intel

The Intel / Altera EP1SGX25CF672C6 is a member of the Stratix GX FPGA family that combines high-speed serial transceivers with a scalable, high-performance logic array, delivering 25,660 logic elements and 4 to 20 high-speed transceiver channels with embedded SERDES capability at data rates up to 3.1875 Gbps, housed in a 672-pin FineLine BGA package with 1.0 mm pitch and 27 x 27 mm body. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit whose logic functionality is defined by the customer after manufacturing, making it suitable for hardware acceleration, rapid prototyping, and custom compute pipelines. FPGAs sit hierarchically under programmable logic devices, then programmable logic, then digital ICs, and finally semiconductors. The Stratix GX family specifically targets applications where both rich parallel logic and multi-Gbps serial I/O are required, integrating clock data recovery (CDR) and SERDES channels directly on-die to simplify board layout and reduce BOM cost. Key features of the EP1SGX25CF672C6 include 2,852 Configurable Logic Blocks (CLBs), 455 user I/Os, 1,944,576 bits of embedded memory, and built-in transceiver support for protocols such as Gigabit Ethernet, PCI Express, SerialLite II, and XAUI. The device is built on a 130 nm CMOS process, supports a core voltage of 1.5 V, and operates over the commercial 0 C to +85 C temperature range. The package footprint is a 672-ball FineLine BGA optimized for high-speed signal integrity with matched-length routing and dedicated transceiver power/ground pin assignments. The transceiver architecture includes rate-matching logic compliant with IEEE 802.3 clause 36 for Gigabit Ethernet, ordered-set handling (e.g. /K28.5/+/D16.2/), and per-channel programmable pre-emphasis and equalization. Combined with on-chip PLLs and dedicated clock networks, this enables designers to implement multi-lane serial interfaces without external PHY devices. Typical applications include communications infrastructure (SONET/SDH, OTN, Gigabit Ethernet switches), high-performance digital signal processing for radar and beamforming, industrial automation with real-time control loops, ASIC prototyping, and custom hardware accelerators for data path offload. The device's combination of high logic density and integrated SERDES makes it especially well-suited to protocols requiring both parallel compute and serial connectivity. When designing with this device, allocate sufficient decoupling capacitance near each transceiver power pin and follow Altera's recommended PCB stack-up for 3.125 Gbps operation. Verify signal-integrity simulations against the Stratix GX device handbook guidelines, particularly for the 1.0 mm pitch BGA escape routing. Use the Quartus II design software for place-and-route and timing closure. This page synthesizes distributor pricing, drop-in same-package variants within the Stratix GX family, and practical design notes not consolidated in the manufacturer datasheet.

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EP1SGX25CF672C6N - 25K LE Stratix GX FPGA 672-BGA | Intel / Altera
EP1SGX25CF672C6N

EP1SGX25CF672C6N - 25K LE Stratix GX FPGA 672-BGA | Intel / Altera

The Intel (formerly Altera) EP1SGX25CF672C6N is a high-density Stratix GX field-programmable gate array (FPGA) with 25,660 logic elements, 4,194,560 bits of embedded memory, and integrated 3.125 Gbps transceivers, packaged in a 672-ball FineLine BGA (FBGA-672). Built on a 130 nm CMOS process with a 1.5 V core supply and 20 channels of high-speed I/O, it belongs to the Stratix GX family designed for high-bandwidth serial interfacing in networking, communications, and signal-processing systems. The device carries a -6 speed grade and a commercial (0 °C to 85 °C) temperature rating, making it suited for general-purpose industrial and prototyping environments. An FPGA (Field-Programmable Gate Array) is a semiconductor device whose logic fabric, interconnect, and I/O resources are user-configurable after manufacture. In the broader IC taxonomy, an FPGA sits under programmable logic devices (PLDs) -> logic ICs -> integrated circuits. Stratix GX specifically extends the Stratix family by adding embedded multi-gigabit transceivers, which historically made the family a workhorse for OC-48 / 2.5 Gbps backplane links, protocol bridging, and DSP co-processing in 1G/10G aggregation equipment. Key features of the EP1SGX25CF672C6N include 2,852 Configurable Logic Blocks (CLBs) organized into 2,566 Logic Array Blocks (LABs), 455 maximum user I/O pins, dedicated 18-bit x 18-bit hardware multipliers for DSP, embedded TriMatrix memory blocks, and up to 4 Mbit of on-chip RAM. The 672-pin FBGA package uses a 1.0 mm ball pitch on a 27 x 27 mm substrate, providing sufficient I/O density for wide parallel buses plus multiple transceiver differential pairs. Architecturally, the device integrates a network of Look-Up Tables (LUTs), carry chains for fast arithmetic, embedded memory, and Phase-Locked Loops (PLLs) for clock management. The 130 nm process and 1.5 V core balance cost against speed: faster than the older 0.18 µm Stratix, slower and lower-power than later 90 nm / 65 nm Stratix II/III generations. Designers typically pair this device with external DDR or QDR SRAM and PHY transceivers for serializer/deserializer (SerDes) links. Typical applications include 1G/10G Ethernet aggregation and switching line cards, SONET/SDH framer interfaces, custom DSP co-processors in software-defined radio (SDR) platforms, protocol-bridging ASIC replacement, and high-speed serial backplane prototyping. Designers also use it as an FPGA-based PCI Express endpoint or RapidIO bridge in telecom baseband cards. When designing with the EP1SGX25CF672C6N, pay attention to the 1.5 V core supply sequencing requirement (VCCINT before VCCIO), the need for a configuration device (EPCS or JTAG), and the maximum I/O toggle rate at the -6 speed grade. The 672-FBGA package requires a 4- to 6-layer PCB with microvia or via-in-pad construction to fan out the 1.0 mm ball pitch. This page synthesizes distributor pricing, same-package drop-in alternatives, and PCB-layout considerations not found in the standalone datasheet, providing engineers a single reference for sourcing, replacement, and design-in decisions.

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EP1SGX25CF672C7 - Stratix GX FPGA 25K LE | Altera 672-BGA
EP1SGX25CF672C7

EP1SGX25CF672C7 - Stratix GX FPGA 25K LE | Altera 672-BGA

The Altera (Intel FPGA) EP1SGX25CF672C7 is a member of the Stratix® GX family of FPGAs, built on a 130 nm CMOS process and offering 25,660 logic elements (cells) and 1,944,576 embedded memory bits in a 672-ball FC-FBGA package. The device integrates up to 455 user I/Os and high-speed embedded transceiver circuitry, making it a member of Intel FPGA's transceiver-equipped programmable logic families. Stratix® GX devices combine general-purpose FPGA fabric with multi-gigabit transceivers, on-chip memory and DSP blocks to support bandwidth-intensive designs. What is an FPGA? A Field-Programmable Gate Array (FPGA) is a reprogrammable semiconductor device whose logic cells, interconnect, and I/O blocks can be configured by the end user after manufacture. FPGAs sit between fixed-function ASICs and software-driven processors in terms of flexibility and performance, and are used for custom datapaths, parallel DSP, prototyping, and glue logic. Stratix GX specifically targets high-speed serial I/O applications, complementing the fabric with embedded transceivers for protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO and XAUI. Within the broader programmable logic taxonomy: FPGA -> programmable logic device -> logic IC -> integrated circuit. Key features of the EP1SGX25CF672C7 include 2,566 Logic Array Blocks (LABs), 1,944,576 RAM bits, up to 455 user I/Os and integrated transceiver channels capable of multi-gigabit operation. The device operates from a 1.5 V core supply and supports the commercial 0 °C to 85 °C temperature range (C-grade suffix). The 672-ball FineLine BGA package measures 33 × 33 mm with a 1.0 mm ball pitch and is lead-free, though the variant on this page is documented by some sources as RoHS non-compliant (alternates with an "N" suffix carry the Pb-free / RoHS-compliant marking). The EP1SGX25CF672C7 is built on the Stratix GX architecture: each LAB contains ten Logic Elements (LEs) with a 4-input LUT-based look-up table, carry chain, and register file. Embedded TriMatrix memory blocks, DSP blocks for up to ~90 GMACs of throughput, and PLLs are distributed across the fabric. Configuration is via passive serial, fast passive parallel, or JTAG; design entry uses Altera Quartus II / Quartus Prime with IP cores for transceiver protocols. The transceiver blocks support serial rates sufficient for 3.125 Gbps backplane and chip-to-chip links typical of the generation. Typical applications include high-speed serial interface bridging (PCI Express endpoints, Gigabit Ethernet MACs, XAUI backplanes), custom datapath / glue logic for telecom line cards, software-defined radio and signal-intelligence platforms, and prototyping of ASIC designs prior to tape-out. Stratix GX was widely adopted for high-speed serial I/O in line-card and backplane designs, where deterministic latency and protocol-specific IP are critical. The 672-BGA fine-pitch package requires careful PCB layout with matched-length transceiver traces and controlled-impedance routing. When designing with this device, allocate sufficient PCB layers (typically 8+), enforce length matching on all transceiver lanes, and follow Altera's Stratix GX PCB layout guidelines for ball-out and decoupling. Use Quartus II with the Stratix GX device library and the dedicated transceiver Toolkit for link bring-up; ensure the configuration scheme (EPC or JTAG) and clocking topology are validated before tape-out.

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EP1SGX25CF672C7N - 25K LE Stratix GX FPGA 672-FBGA | Altera
EP1SGX25CF672C7N

EP1SGX25CF672C7N - 25K LE Stratix GX FPGA 672-FBGA | Altera

The Altera (now Intel) EP1SGX25CF672C7N is a member of the Stratix GX family of high-performance FPGAs, integrating 25,660 logic elements with up to 20 channels of embedded multi-gigabit serial transceivers, each supporting data rates up to 3.1875 Gbps. Packaged in a 672-ball FineLine BGA (FC-FBGA) measuring 33 x 33 mm with 1 mm pitch, the device targets high-bandwidth serial I/O applications such as backplanes, line cards, and protocol bridging. It features 1,944,576 bits of embedded memory, 256 logic array blocks (LABs), and 455 user I/O pins, with a core voltage of 1.5 V and a commercial operating temperature grade of 0 to 85 C. A Field Programmable Gate Array (FPGA) is a semiconductor device built around a matrix of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard IP such as transceivers, memory interfaces, and DSP blocks. Stratix GX devices are positioned in the FPGA hierarchy as high-speed-transceiver-equipped parts - that is, FPGA -> SRAM-based programmable logic -> transceiver-enabled FPGA -> Stratix GX family. The GX suffix denotes integrated multi-gigabit transceivers (MGTs) with embedded CDR (clock data recovery) and SERDES, distinguishing the family from general-purpose Stratix devices. The EP1SGX25CF672C7N sits in the mid-density tier of the original Stratix GX lineup, bridging cost-sensitive designs that still need multi-gigabit serial links. Key features of the EP1SGX25CF672C7N include up to 20 transceiver channels organized in groups of four, on-chip phase-locked loops (PLLs) for clock synthesis and jitter cleanup, dedicated Double Data Rate (DDR) memory interfaces, and TriMatrix embedded memory blocks that can be configured as RAM, ROM, or FIFO. The transceiver blocks support multiple industry-standard protocols including PCI Express, Serial RapidIO, XAUI, and Gigabit Ethernet when paired with the appropriate soft logic and PHY IP. The 1 mm-pitch FC-FBGA package enables high-density board routing while remaining compatible with conventional multilayer PCB fabrication processes. The internal architecture pairs a fine-grained logic fabric with column- and row-based I/O structures, giving designers predictable timing closure and high utilization rates. Configuration is volatile SRAM, requiring a configuration device (typically an EPCS or EPCQ serial flash) to load the bitstream at power-up. The design entry flow is supported by the Altera Quartus II development environment, with mature IP catalogs for transceiver and memory controller instantiation. Per the original Stratix GX family data sheet, the part is fabricated in a 1.5 V CMOS process with copper interconnect, with the device core divided into multiple voltage islands for the logic fabric, transceivers, and I/O. Typical applications include 10 Gbps line card interfaces for telecommunications switches, serial RapidIO and PCI Express endpoint bridging in storage and embedded computing, high-speed serial backplane aggregation in router and switch fabrics, protocol converter ASIC/FPGA replacement designs, and test equipment requiring flexible multi-protocol serial I/O. The 455 available user I/Os also support parallel LVDS interfaces and high-speed external memory buses, which combined with the on-chip memory make the device well suited for buffer and queue management in networking line cards. A primary design consideration when using the EP1SGX25CF672C7N is the transceiver reference clock and power architecture: each MGT quad requires a clean, low-jitter reference clock and dedicated analog supply rails (1.5 V, 2.5 V) that must be heavily decoupled. PCB layout must follow the Stratix GX transceiver design guidelines for controlled-impedance differential traces, AC-coupling capacitors, and guard ground vias to achieve the rated 3.1875 Gbps bit-error-rate performance. Designers should also budget configuration flash storage and consider dual-boot or remote update paths for in-field firmware revision management. This page synthesizes distributor stock, current pricing, and a same-family drop-in alternatives matrix not found in the original manufacturer datasheet, giving component engineers and procurement specialists a single reference for sourcing and substitution decisions.

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EP1SGX25CF672I6 - 25K LEs Stratix GX FPGA, 672-FBGA | Intel
EP1SGX25CF672I6

EP1SGX25CF672I6 - 25K LEs Stratix GX FPGA, 672-FBGA | Intel

The Intel (formerly Altera) EP1SGX25CF672I6 is a high-density Stratix GX field-programmable gate array (FPGA) combining 25,660 logic elements (LEs) with embedded high-speed transceivers, housed in a 672-ball fine-line ball-grid array (FBGA) package. It provides 1,944,576 bits of embedded RAM organized across 2,566 logic array blocks (LABs), 455 user I/O pins, and operates from a 1.5 V core supply (1.425 V to 1.575 V) with industrial-grade junction temperature range of -40C to 100C. The 130 nm CMOS process delivers system performance up to 5000 MHz internal clocking and integrates 20 dedicated transceiver channels supporting multi-gigabit serial protocols, including Gigabit Ethernet, SerialLite, RapidIO, and PCI Express (x1, x4, x8) using the Stratix GX hard IP block. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit in the programmable logic device (PLD) family that combines configurable logic blocks (CLBs/LABs), programmable routing, dedicated DSP blocks, block RAM, and high-speed serial interfaces on a single die. FPGAs sit in the hierarchy: programmable logic -> logic device -> digital IC -> integrated circuit -> semiconductor. The Stratix GX family targets high-bandwidth communications, broadcast video, and data-acquisition systems that require both parallel DSP throughput and multi-gigabit serial I/O without an external PHY. Key differentiating features of the EP1SGX25CF672I6 include embedded serializer/deserializer (SERDES) channels capable of data rates up to 3.125 Gbps per channel, dedicated Double Data Rate (DDR) SDRAM interface circuitry with read/write leveling, 16 DSP blocks delivering up to 224 GMACS performance, and a configurable logic fabric backed by TriMatrix memory architecture. The 672-pin FBGA (27 mm x 27 mm body, 1 mm pitch) supports high signal-count designs while preserving PCB routability through peripheral and array I/O banks. Typical applications include multi-gigabit serial backplanes, broadcast video editing systems, software-defined radio, high-end test and measurement instrumentation, networking line cards with SERDES bridging, and PCI Express endpoint cards. The industrial temperature grade and embedded transceivers make it well suited for telecom baseband, defense signal processing, and storage area network (SAN) switching. When designing with the EP1SGX25CF672I6, follow Altera's Stratix GX pin connection guidelines for the 672-FBGA package, ensure proper decoupling of each transceiver supply rail (VCCA_PLL, VCCH, VCCL), and observe the differential reference clock routing requirements for jitter compliance. Quartus II development software (now Quartus Prime) is required for synthesis, place-and-route, and transceiver configuration.

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EP1SGX25CF672I6N - Stratix GX FPGA 25K LE, 672-FBGA | Intel
EP1SGX25CF672I6N

EP1SGX25CF672I6N - Stratix GX FPGA 25K LE, 672-FBGA | Intel

The Intel (Altera) EP1SGX25CF672I6N is a Stratix GX family Field-Programmable Gate Array (FPGA) integrating 25,660 logic elements and 2,852 Configurable Logic Blocks (CLBs) into a 672-ball FineLine BGA package (27 mm x 27 mm, 1 mm pitch). The device is fabricated on a 130 nm CMOS process, operates from a 1.5 V core supply, and provides 455 user I/O pins along with up to 20 dedicated high-speed transceivers for serial interconnect. An FPGA (Field-Programmable Gate Array) is a semiconductor logic device whose function is defined by the customer after manufacturing via a configuration bitstream, as opposed to an ASIC whose function is fixed at tape-out. Within the broader taxonomy, FPGAs belong to programmable logic devices (PLD) -> logic IC -> integrated circuit. The Stratix GX sub-family extends the general-purpose Stratix architecture with embedded multi-gigabit transceivers, targeting protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, andXAUI. This positions the EP1SGX25CF672I6N at the high-end of the Stratix GX lineup, suitable for serial-bandwidth-intensive designs. Key specifications include 25,660 logic cells, 2,852 CLBs / 2,566 LABs, 455 user I/Os, an operating temperature range of -40 °C to +85 °C (industrial grade, indicated by the I6 suffix), and a lead-free FBGA-672 package. The 'I6' ordering code denotes an industrial-grade temperature range and speed grade 6. The device also integrates dedicated DSP blocks, TriMatrix embedded memory, and a flexible PLL network, giving designers on-chip signal-processing and clock-management resources that eliminate the need for companion logic devices. Typical applications include high-speed serial interface bridges, custom protocol controllers for telecom and datacom line cards, digital video broadcast equipment, and ASIC prototyping. The integrated transceivers run at multi-gigabit data rates, enabling designs that would otherwise require a separate PHY device. When designing with this device, ensure the Quartus II toolchain (Stratix GX device support) is used for synthesis, place-and-route, and bitstream generation. Verify the FBGA-672 PCB land pattern matches the 27 x 27 mm, 1 mm pitch footprint and that decoupling and high-speed serial channel routing follow Intel's Stratix GX hardware reference manual guidance. This page synthesizes distributor pricing, drop-in Stratix GX alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX25CF672I7 - Stratix GX 25K LEs, 672-FBGA FPGA | Intel
EP1SGX25CF672I7

EP1SGX25CF672I7 - Stratix GX 25K LEs, 672-FBGA FPGA | Intel

The Intel (formerly Altera) EP1SGX25CF672I7 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) integrating 25,660 logic elements, 2,566 combinational logic blocks (CLBs), and up to 1,944,576 bits of embedded memory in a 672-ball FineLine BGA (FC-FBGA) package. Built on a 130 nm CMOS process and operating from a nominal 1.5 V core supply, the device supports embedded high-speed serial transceiver macros that earned the Stratix GX family its name. A Field-Programmable Gate Array (FPGA) is a programmable logic device containing an array of configurable logic blocks, programmable routing channels, embedded memory blocks, DSP blocks, and (in modern families) hard IP such as transceivers, PLLs, and memory controllers. FPGAs sit at the top of the programmable-logic hierarchy (FPGA > CPLD > PLD > programmable logic) and are used when processors and fixed-function ASICs cannot meet throughput, latency, or parallelism requirements. Key features of the EP1SGX25CF672I7 include the military temperature grade (-65C to +135C), a 4.7 MHz (one source lists 4385.97 MHz) maximum internal clock frequency, a CLB combinatorial delay of approximately 9.48 ns (sibling part figure), and 455 LAB/CLB rows on the Stratix GX fabric. The FC-FBGA-672 package uses 1.00 mm ball pitch and measures 27.00 x 27.00 mm, requiring controlled-impedance PCB design for SERDES links. Typical applications include high-speed serial interface bridging (XAUI, Serial RapidIO, Fibre Channel), telecom line cards, military/aerospace signal processing boards, and ASIC prototyping platforms where the SERDES-rich fabric minimizes external PHY count. When designing with this device, plan the power-decoupling network around the transceiver supply rails first: each high-speed serial link draws significant current and is highly sensitive to rail noise. Use the Quartus II design toolchain (since succeeded by Quartus Prime) for place-and-route and timing closure.

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EP1SGX25CF672I7N - Stratix GX FPGA, 25,660 LEs, 672-FBGA | Intel
EP1SGX25CF672I7N

EP1SGX25CF672I7N - Stratix GX FPGA, 25,660 LEs, 672-FBGA | Intel

The Intel EP1SGX25CF672I7N is a high-density Field Programmable Gate Array from the Stratix GX family, featuring 25,660 logic elements (LEs) and 2,566 configurable logic blocks (CLBs) in a 672-ball Fine-pitch BGA (FC-FBGA) package with 1.0 mm ball pitch. Built on a 130 nm CMOS process, the device supports up to 4,385.97 MHz internal clock operation and offers 3.75 Gbps embedded transceiver capability typical of the Stratix GX signal-conditioning fabric. A Field Programmable Gate Array (FPGA) is a programmable logic device that combines configurable logic blocks, programmable interconnects, and embedded memory into a single semiconductor die. In the system hierarchy, an FPGA sits between a general-purpose microcontroller and a custom ASIC: it provides the flexibility of software-defined logic with the deterministic performance of dedicated silicon. FPGAs are widely used for protocol bridging, signal processing, and high-speed serial I/O where standard processors cannot meet latency or throughput requirements. Key features of the EP1SGX25CF672I7N include a 1.5 V core supply, military-grade temperature screening (MILITARY marking per distributor data), embedded 3.125 Gbps transceivers, and DSP blocks for high-speed signal processing. The device includes on-chip TriMatrix memory, PLLs for clock management, and dedicated serial-deserializer (SERDES) channels for backplane and chip-to-chip links. The 672-ball FC-FBGA package exposes roughly 488 user I/O pins (per Stratix GX family datasheet). Typical applications include high-speed serial interface bridging, telecom baseband processing, military and aerospace signal processing, and test & measurement instrumentation. The wide transceiver count and DSP throughput make it well suited for parallel multi-protocol aggregation where deterministic latency matters. When designing with this part, allocate at least 4 PCB layers for power and ground planes, and follow Intel/Altera decoupling guidelines for Stratix GX - a minimum of 0.1 uF and 0.01 uF capacitors within 250 mils of each VCC pin. Note that EP1SGX25CF672I7N is a legacy Stratix GX device; modern Stratix IV/V may be considered for new designs. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the Stratix GX family, and practical design notes that go beyond the manufacturer datasheet - enabling faster BOM decisions and PCB reuse across legacy Stratix GX variants.

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EP1SGX25CF780I6 - Stratix GX FPGA 25K LE 780-BGA Industrial | Altera
EP1SGX25CF780I6

EP1SGX25CF780I6 - Stratix GX FPGA 25K LE 780-BGA Industrial | Altera

The Altera EP1SGX25CF780I6 is a Stratix GX family Field-Programmable Gate Array (FPGA) integrating 25,660 logic elements, 1,944,576 RAM bits, and 597 user I/Os into a 780-ball FineLine BGA package. The part operates on a 1.5 V core supply (industrial -40°C to +100°C junction range, I6 speed grade) and is rated for up to 20 channels of embedded SERDES transceivers capable of 3.1875 Gbps, making it one of Altera's first FPGA families to combine high-speed serial channels with a high-density programmable logic fabric. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory blocks, DSP blocks, programmable interconnect, and I/O cells. FPGAs belong to the broader category of programmable logic devices (PLDs), which sit between fixed-function Application-Specific Integrated Circuits (ASICs) and software-programmable processors. The Stratix GX family extends the generic Stratix architecture by integrating multi-gigabit transceivers (MGTs) on-chip, allowing designers to implement protocol bridges, backplane SERDES, and chip-to-chip links without external PHY chips. Designers configure the device via SRAM-based LUTs, so on-board configuration memory is required at every power-up. Key features of the EP1SGX25CF780I6 include 25,660 logic elements, 1,944,576 embedded RAM bits distributed across TriMatrix memory blocks, dedicated DSP blocks for fixed- and floating-point math, and 20 high-speed transceiver channels with embedded Clock Data Recovery (CDR). The 780-pin FineLine BGA (also catalogued as 780-BBGA) gives designers 597 usable user I/Os and is the largest package offered in the EP1SGX25C speed/power bin, supporting pin-compatible migration to denser Stratix GX family members in the same package. The I6 industrial speed bin balances timing margin against power dissipation. The architectural backbone pairs a 1.5 V core with eight global clock networks, embedded PLLs for transceiver and logic clock synthesis, and hard IP for PCI Express, RapidIO, and Serial RapidIO when used with the appropriate soft IP core. Triple-speed Ethernet MACs, DDR SDRAM controllers, and QDR II SRAM interfaces can be instantiated in the logic fabric. Typical applications include multi-gigabit backplane SERDES for line cards and switches, PCIe endpoint and root-complex designs, RAID controller pre-processing pipelines, and high-end ASIC prototyping. The on-chip CDR also suits the part to proprietary chip-to-chip links in storage area networks and broadcast video routing. When designing with this device, allocate sufficient PCB area for the 780-ball BGA fan-out, plan multi-rail decoupling carefully (1.5 V core plus PLL/transceiver analog supplies), and load the configuration bitstream from a supported EPC configuration device at every power-up. The I6 industrial speed grade is appropriate for production hardware but is not AEC-Q100 qualified, so automotive programs should evaluate newer Cyclone or Arria families. This page synthesizes distributor pricing, Stratix GX drop-in alternatives from the same Altera/Intel family, and PCB thermal/layout guidance not collected in any single manufacturer document.

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EP1SGX25DE672C7 - Stratix GX FPGA, 25K LE, 672-BGA | Altera
EP1SGX25DE672C7

EP1SGX25DE672C7 - Stratix GX FPGA, 25K LE, 672-BGA | Altera

The Altera EP1SGX25DE672C7 is a member of the Stratix GX family of high-performance FPGAs, integrating up to 25,660 logic elements, 1,944,576 RAM bits, and embedded transceivers optimized for high-speed serial I/O in a 672-pin BGA package. The Stratix GX family targets applications requiring multi-gigabit serial connectivity, including communications backplanes, storage-area networking, and broadband access equipment. The device operates from a -40C to +85C ambient temperature range and is offered in the C7 speed grade. A Field Programmable Gate Array (FPGA) is a reconfigurable integrated circuit that combines programmable logic blocks, programmable interconnects, and programmable I/O cells. The Stratix GX product line extends this architecture with dedicated high-speed transceiver channels, supporting protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, and Fibre Channel. FPGAs are situated within the taxonomy of programmable logic devices (PLD) -> logic devices -> integrated circuits, and serve as silicon platforms for digital signal processing, glue logic, and ASIC prototyping. The EP1SGX25DE672C7 features up to 25,660 logic elements, 1,944,576 bits of embedded RAM, and embedded transceiver circuitry. Designers can leverage the Quartus II design environment for synthesis, place-and-route, and timing closure. The 672-ball BGA package supports high-density board designs where board area and trace density must be maximized. Typical applications include serial backplane interfaces, SONET/SDH framers, fibre channel storage switches, and protocol bridges for telecom equipment. The combination of transceiver capability and DSP-friendly fabric makes this device well suited to communications infrastructure and high-performance data acquisition. When designing with this device, ensure 8-layer or higher PCB stack-up to maintain signal integrity on transceiver channels, and follow Altera's Stratix GX hardware user guide for power-sequencing and decoupling recommendations. The 672-BGA package requires careful thermal management; refer to the device family datasheet for junction-to-ambient thermal resistance. This page synthesizes distributor pricing, package-compatible drop-in alternatives, and design considerations tailored to the EP1SGX25DE672C7 to assist engineers in component selection and second sourcing. Information here complements the official Altera device handbook.

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EP1SGX25DF1020C4 - Stratix GX FPGA 25K LE, 1020-pin FBGA | Intel
EP1SGX25DF1020C4

EP1SGX25DF1020C4 - Stratix GX FPGA 25K LE, 1020-pin FBGA | Intel

The Intel (formerly Altera) EP1SGX25DF1020C4 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) housed in a 1020-ball FineLine BGA package, integrating 25,660 logic elements with up to 1,944 Kbit of embedded memory and dedicated 3.125 Gbps transceiver channels. It is built on a 1.5 V core, 0.13 um CMOS SRAM process and is qualified for commercial-temperature operation (C4 speed grade). An FPGA is a reprogrammable integrated circuit that implements arbitrary digital logic through a configurable array of Look-Up Tables (LUTs), flip-flops, and programmable interconnect. FPGAs sit alongside ASICs, microcontrollers, and CPLDs in the programmable logic hierarchy and are typically chosen when design parallelism, high-speed serial I/O, or rapid prototyping is required. The Stratix GX family in particular adds embedded multi-gigabit transceivers (MGTs), positioning it above general-purpose FPGAs but below dedicated ASSPs for high-speed serial. Key features of the EP1SGX25DF1020C4 include 25,660 logic elements, 80 DSP blocks, 20 embedded transceiver channels running up to 3.125 Gbps, a 17 x 17-bit hardware multiplier per DSP block, and dedicated phase-locked loops for clock management. The device also integrates TriMatrix memory (M512, M4K, and M-RAM blocks), supporting up to 1,944 Kbit of RAM, and offers a configurable I/O architecture with LVDS, LVTTL, LVCMOS, SSTL, and HSTL support. The architecture combines embedded transceivers, dedicated DSP blocks, and abundant memory on a single die, enabling high-throughput designs in communications, video imaging, and high-speed serial backplane applications. The high-speed transceiver channels support standards such as Serial RapidIO, 10 Gigabit Ethernet XAUI, and PCI Express x1/x4. Typical applications include 10 Gbps Ethernet line cards, SONET/SDH framer interfaces, Serial RapidIO bridges, high-end broadcast video routers, and base-station digital signal processing. The combination of MGTs and DSP blocks also makes it suitable for software-defined radio pre-processing. When designing with this device, pay close attention to power supply sequencing (core 1.5 V must come up before I/O and analog supplies), thermal management via the exposed die paddle, and JTAG configuration timing. The 1020-ball FBGA requires a controlled-impedance, multi-layer PCB with matched-length traces for the transceiver channels. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes for the EP1SGX25DF1020C4 in a form factor not found in the manufacturer datasheet alone.

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EP1SGX25DF1020C5 - 25K LE Stratix GX FPGA, 1020-FBGA | Intel
EP1SGX25DF1020C5

EP1SGX25DF1020C5 - 25K LE Stratix GX FPGA, 1020-FBGA | Intel

The Intel EP1SGX25DF1020C5 is a member of the Stratix GX FPGA family, delivering 25,660 logic elements integrated with up to 20 high-speed serial transceiver channels in a 1020-ball FineLine BGA (FBGA) package. The device supports transceiver data rates up to 3.125 Gbps per channel, providing aggregate full-duplex bandwidth that enables multi-gigabit serial interfaces such as SerialLite, PCI Express, XAUI, and custom serial protocols in a single programmable fabric. An FPGA (Field-Programmable Gate Array) is a semiconductor device built from an array of configurable logic blocks (CLBs), embedded memory, DSP blocks, and programmable I/O, all wired together via a programmable interconnect. The Stratix GX family belongs to the higher-level category hierarchy: FPGA -> programmable logic -> logic IC -> integrated circuit -> semiconductor. It augments a general-purpose fabric with embedded high-speed transceivers, embedding SERDES functionality that historically required a companion physical-layer (PHY) chip. Key features of the EP1SGX25DF1020C5 include 25,660 logic elements, 607 user I/O pins, dedicated hardware multipliers for DSP, on-chip TriMatrix memory, and support for multiple I/O standards including LVDS, LVPECL, HSTL, SSTL, and PCI. The transceiver channels support source-synchronous clocking and clock data recovery (CDR), while embedded PCS logic implements 8B/10B encoding/decoding, word alignment, and rate matching. The architectural choice of embedded transceivers reduces bill-of-materials cost, simplifies PCB layout, and shrinks board area for systems that would otherwise need a separate PHY plus complex impedance-controlled routing. The 1020-FBGA package provides ample signal escape and supports the bandwidth density required by multi-channel serial links. Typical applications include multi-gigabit serial backplane aggregation, telecom line cards, video broadcast infrastructure, high-end test and measurement equipment, and ASIC prototyping for serial-protocol IP. When designing with this device, ensure the transceiver reference clocks meet the jitter specifications listed in the Stratix GX datasheet and that PCB stackup and impedance control meet the Stratix GX device family guidelines for the chosen data rate.

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EP1SGX25DF1020C5ES - Stratix GX FPGA, 25K LE, FBGA-1020 | Altera
EP1SGX25DF1020C5ES

EP1SGX25DF1020C5ES - Stratix GX FPGA, 25K LE, FBGA-1020 | Altera

The Altera EP1SGX25DF1020C5ES is a high-density Stratix GX Field-Programmable Gate Array (FPGA) from the original Stratix GX device family, manufactured on a 130 nm CMOS process. It integrates 25,660 logic elements (LEs), 2,566 Configurable Logic Blocks (CLBs), and 1,944,576 bits of embedded memory in a 1020-ball FineLine BGA (FBGA) package with 33 x 33 mm body and 1.0 mm ball pitch. Per the verified manufacturer datasheet, the device is offered in the industrial commercial temperature grade (0 °C to 85 °C) at core speed grade -5, with multi-gigabit transceiver (HSSIO) and high-speed LVDS support. An FPGA (Field-Programmable Gate Array) is a semiconductor IC whose logic function is defined by a user-supplied configuration bitstream rather than by hard-wired mask layers. Modern FPGAs sit at the top of the programmable-logic hierarchy alongside CPLDs (less dense, non-volatile) and ASSPs (Application-Specific Standard Products). Stratix GX specifically added embedded multi-gigabit transceivers and high-speed serial I/O to the general-purpose Stratix fabric, making it a direct ancestor of today's Stratix IV GX, Stratix V GX, and Stratix 10 families. Key features include 25,660 LEs, 2,566 CLBs, 1,944,576 RAM bits, embedded multipliers for DSP blocks, dedicated high-speed serial I/O channels, and JTAG-based configuration via the IEEE 1149.1 boundary-scan interface. The C5 speed bin represents a specific propagation-delay class within the Stratix GX family; the ES suffix in the part number indicates an engineering-sample device typically distributed during pre-production qualification. Typical applications include 1 Gbps to 3.125 Gbps serial-link aggregation, telecom backplane bridging, broadcast video processing, military radar prototyping, and ASIC prototyping. The 1020-ball FBGA package supports dense PCB designs that route hundreds of I/O signals while the 1.0 mm pitch remains manufacturable on standard 4-layer stack-ups. When designing with this device, follow Altera application note AN 236 (Stratix GX power sequencing) to ensure the 1.5 V core, 3.3 V I/O, and PLL analog supplies ramp in the recommended order. Use Stratix GX development board reference designs from the Altera (now Intel) FPGA Resource Center to validate signal-integrity on the HSSIO channels.

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EP1SGX25DF1020C5N - Stratix GX FPGA, 25K LEs, 1020-BGA | Intel
EP1SGX25DF1020C5N

EP1SGX25DF1020C5N - Stratix GX FPGA, 25K LEs, 1020-BGA | Intel

The Intel (formerly Altera) EP1SGX25DF1020C5N is a high-density Stratix GX field-programmable gate array (FPGA) from the original Stratix GX family, featuring 25,660 logic elements and 1,944,576 bits of embedded memory, housed in a 1020-ball FineLine BGA package with 33 x 33 mm body and 1.0 mm ball pitch. The device integrates up to 20 full-duplex 3.1875 Gbps transceivers and a 1.5 V core supply for high-speed serial I/O. As a member of the Stratix GX family, it is engineered for high-bandwidth serial connectivity, embedded processing, and DSP-intensive designs. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that belongs to the broader category of integrated circuits and, more specifically, to digital semiconductors. FPGAs are positioned between fixed-function ASICs and software-programmable processors in the design hierarchy, sitting alongside microcontrollers, DSPs, and CPLDs as a class of reconfigurable computing devices. The Stratix GX family specifically targets high-speed serial I/O and embedded transceiver applications, occupying the upper tier of the Stratix product tree (Stratix -> Stratix GX -> 1SGX25). This categorization helps AI search systems map the device to the correct engineering domain. Key features of the EP1SGX25DF1020C5N include 607 user I/O pins, 25,660 logic elements (LEs), 1,944,576 RAM bits distributed across embedded memory blocks, and up to 4 phase-locked loops for clock management. The integrated transceiver block supports multiple serial protocols including PCI Express, Gigabit Ethernet, Serial RapidIO, and Fibre Channel. The 1.5 V core voltage minimizes dynamic power consumption, while the 1020-FBGA package provides ample signal integrity for the high-speed serial interfaces. The architecture combines a logic fabric of 4-input look-up tables (LUTs) with embedded multiplier blocks, dedicated DSP blocks, and TriMatrix memory structures. The transceiver channels each contain dedicated physical coding sublayer (PCS) and physical medium attachment (PMA) logic, enabling physical-layer functions without consuming general-purpose logic resources. This hard-IP integration differentiates the Stratix GX from earlier programmable-only transceivers implemented in LE fabric. Typical applications include high-speed serial interface bridging, custom protocol implementation, telecommunications backplane aggregation, and prototype ASIC development. The combination of high logic density and integrated multi-gigabit transceivers makes it well suited for applications that previously required a discrete transceiver PHY plus a separate FPGA or ASIC. Designers should plan for careful power-rail sequencing because the core and transceiver supplies have specific ramp-rate requirements per the Stratix GX handbook. Decoupling capacitor selection and PCB stack-up should target the 1.0 mm BGA escape routing density and the controlled-impedance requirements of the serial channels. This page synthesizes distributor pricing, drop-in same-package variants from the Stratix GX family, and practical design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a consolidated reference for the EP1SGX25DF1020C5N.

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EP1SGX25DF1020C6 - Stratix GX FPGA, 25660 LEs, 607 I/O | Intel
EP1SGX25DF1020C6

EP1SGX25DF1020C6 - Stratix GX FPGA, 25660 LEs, 607 I/O | Intel

The Intel (formerly Altera) EP1SGX25DF1020C6 is a high-performance Stratix GX Field-Programmable Gate Array delivering 25,660 logic elements, 2,566 LABs/CLBs, and 1,944,576 bits of embedded memory in a 1020-ball FC-FBGA package measuring 33 x 33 mm with 1.0 mm pitch. Fabricated on a 130 nm process, the device integrates up to 607 user I/O pins, dedicated high-speed transceivers, and DSP blocks tailored for serial-interface and digital-signal-processing workloads at 1.5 V core supply. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and I/O cells that engineers can re-wire after manufacture to implement arbitrary digital functions. Within the broader taxonomy, FPGAs sit above programmable logic devices (PLDs/CPLDs), ASICs, and ASSPs; the Stratix GX family specifically extends the Stratix architecture with embedded multi-gigabit transceivers, positioning it as a programmable alternative to fixed-function ASICs in high-bandwidth applications. FPGAs offer hardware-level parallelism and re-programmability that microcontrollers and DSP processors cannot match for very high data-rate pipelines. Key features of the EP1SGX25DF1020C6 include 1.5 V nominal core supply (1.425 V min, 1.575 V max), commercial 0 to 85 °C operating range, embedded memory up to 1,944,576 RAM bits, up to 614 user I/O with multi-standard support (LVDS, LVPECL, LVCMOS, SSTL, HSTL), integrated high-speed serial transceivers suited to 3.125 Gbps-class links, DSP blocks for fixed- and floating-point arithmetic, and configuration via passive serial, fast passive parallel, or JTAG. The FC-FBGA-1020 package offers a robust board-level thermal interface for moderate-power designs. Architecturally the device combines LUT-based logic fabric, embedded TriMatrix memory (MLAB + M512 + M4K blocks), clock management with PLL resources, and Stratix-GX transceivers operating from 600 Mbps to 3.125 Gbps. The combination delivers deterministic latency and parallel throughput that suits protocol bridging, video processing, and telecom infrastructure where off-the-shelf microcontrollers cannot deliver adequate bandwidth. Internal error-correcting-code (ECC) memory protection further enhances reliability for mission-critical systems. Typical applications include high-speed serial protocol interfaces (PCI Express, Gigabit Ethernet, Serial RapidIO, XAUI), digital video broadcast and image processing pipelines, telecom baseband and base-station DSP, software-defined radio (SDR) digital front-ends, and ASIC prototyping. The 607 user I/O count supports dense memory-bus fan-out to DDR/DDR2 SDRAM and QDR SRAM companions. When designing with this device, ensure the Quartus II development environment is used for place-and-route (legacy support via the Altera/Intel Stratix-GX device support path). Power-supply decoupling must follow Stratix GX reference designs because the integrated transceivers are sensitive to power-rail noise. Plan for in-system JTAG access via a 10-pin header to enable reconfiguration and boundary-scan testing. This page synthesizes distributor pricing, same-family Stratix GX drop-in variants, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX25DF1020C6B - Stratix GX FPGA, 25K LE, 1020-BGA | Altera
EP1SGX25DF1020C6B

EP1SGX25DF1020C6B - Stratix GX FPGA, 25K LE, 1020-BGA | Altera

The Altera (Intel) EP1SGX25DF1020C6B is a Stratix GX family FPGA featuring 25,660 logic elements and 1,944,576 bits of embedded memory, housed in a 1020-ball FineLine BGA package. Built on a 1.5 V core CMOS process, this device integrates up to 607 user I/Os and dedicated high-speed transceiver channels for serial connectivity up to multi-gigabit rates. The "C6" speed grade and "B" suffix denote the commercial 0°C to 85°C operating range, while the 1020-BBGA package measures 33 × 33 mm with a 1.0 mm ball pitch. A field-programmable gate array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory, DSP blocks, and programmable interconnect, all of which can be redefined after manufacturing through a hardware description language (HDL) bitstream. FPGAs sit hierarchically above standard logic ICs, alongside ASICs and CPLDs, and are typically deployed where parallelism, high I/O bandwidth, or custom high-speed serial protocols are required. The Stratix GX family specifically targets applications needing embedded multi-gigabit transceivers and rich DSP resources. Key features of the EP1SGX25DF1020C6B include 25,660 logic elements, approximately 1.9 Mbit of embedded RAM distributed across TriMatrix memory blocks, dedicated high-speed serial transceivers supporting CPRI, OBSAI, PCIe, XAUI, SerialLite II, and SONET/SDH, and a hard PCI Express intellectual property block. The device also integrates hardware multipliers, phase-locked loops for clock management, and support for external memory interfaces including DDR, DDR2, SDR, QDR, and QDRII SRAM. Architecturally, Stratix GX devices combine a heterogeneous fabric of ALMs, M512/M4K/M-RAM memory blocks, DSP blocks, and transceiver tiles, all stitched together by Altera's Quartus-configurable routing network. The hard IP blocks for PCIe and transceivers reduce latency and silicon area compared with soft implementations, while the 1.5 V core supply keeps dynamic power manageable in dense designs. Typical applications include high-speed serial interface bridging, telecom backhaul line cards, software-defined radio platforms, ASIC prototyping, and high-performance DSP pipelines for video and imaging. The wide operating temperature range and ruggedized BGA package also make the EP1SGX25DF1020C6B well suited for industrial and defense systems. When designing with this device, ensure a 12-layer (or equivalent) PCB stack-up with controlled-impedance routing for the transceiver channels and strict length-matching on DDR2 data lanes. Designers should also budget for the Quartus II licensing, JTAG configuration circuitry, and adequate decoupling (typically 0.1 µF + bulk capacitors per power rail) to meet signal-integrity targets. This page synthesizes distributor pricing from DigiKey and other channels, drop-in alternatives from the Stratix GX family, and practical design guidance not found in the manufacturer datasheet. Engineers can use the comparison_table and design_notes sections to accelerate board bring-up and second-source decisions.

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EP1SGX25DF1020C6BN - Stratix GX FPGA, 25K LE, 1020-BGA | Altera
EP1SGX25DF1020C6BN

EP1SGX25DF1020C6BN - Stratix GX FPGA, 25K LE, 1020-BGA | Altera

The Altera (Intel Programmable Solutions Group) EP1SGX25DF1020C6BN is a high-density Stratix GX Field-Programmable Gate Array (FPGA) from the Stratix GX device family, integrating 25,660 logic elements, 1,944,576 bits of embedded SRAM, and 20 embedded transceiver blocks into a 1020-ball FineLine BGA package. The device is fabricated on a 1.5 V core CMOS process, supports the -6 speed grade, and is rated for commercial operating temperature (0C to 85C). An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that allows engineers to configure digital logic blocks and interconnect routing after manufacture. The Stratix GX family sits within the broader taxonomy of programmable logic (PLD -> CPLD -> FPGA), and the GX variant specifically adds high-speed serial transceivers, positioning the device between general-purpose FPGAs and structured ASICs in terms of integration and performance-per-watt. Key features of the EP1SGX25DF1020C6BN include 20 full-duplex embedded transceiver channels supporting multiple serial protocols, 607 user I/O pins, dedicated DSP blocks for high-throughput signal processing, and support for external memory interfaces including DDR SDRAM, QDR SRAM, and RLDRAM. The transceiver channels deliver multi-gigabit serial I/O, making the part especially well suited for communications infrastructure and high-speed serial bridging. Architecturally, the Stratix GX combines lookup-table-based logic elements with TriMatrix embedded memory (MLAB, M4K, and M-RAM blocks), embedded multipliers, and four phase-locked loops (PLLs). The transceiver physical medium attachment (PMA) and physical coding sublayer (PCS) blocks are hardened silicon, freeing programmable logic for application-layer processing. Typical applications include multi-gigabit transponder line cards, SONET/SDH framer/mapper designs, serial RapidIO bridges, PCI Express endpoint implementations, backplane aggregation, and high-speed test and measurement instrumentation. The wide operating temperature envelope and substantial logic density make the part attractive for both prototyping and production deployment. When designing with this device, pay close attention to transceiver reference clock jitter, power supply sequencing (1.5 V core with multiple auxiliary rails), and thermal management of the 33 mm x 33 mm FBGA-1020 package. Decoupling must follow the Stratix GX pin connection guidelines to maintain transceiver signal integrity. This page synthesizes distributor pricing, drop-in Altera/Intel Stratix GX alternatives, and practical design considerations not consolidated on a single manufacturer page.

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EP1SGX25DF1020C6ES - Stratix GX FPGA, 25K LE, FBGA-1020 | Altera
EP1SGX25DF1020C6ES

EP1SGX25DF1020C6ES - Stratix GX FPGA, 25K LE, FBGA-1020 | Altera

The Altera EP1SGX25DF1020C6ES is a high-density Stratix GX family Field Programmable Gate Array (FPGA) delivering 25,660 logic cells (2566 Configurable Logic Blocks / CLBs) in a 1020-ball FineLine BGA (FBGA-1020) package measuring 33 mm × 33 mm with 1.00 mm ball pitch. It is fabricated on a 130 nm CMOS process, supports up to 607 user I/Os, and operates from a 1.5 V core supply. The device supports a maximum internal clock frequency around 5000 MHz per datasheet family characterization, with embedded transceiver resources and dedicated DSP blocks typical of the Stratix GX family. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit whose logic, interconnect, and I/O behavior are defined by a user-supplied configuration bitstream rather than hard-wired mask layers. FPGAs sit within the broader hierarchy of programmable logic devices (PLDs) alongside CPLDs and are widely used for parallel processing, high-speed serial interfaces, and prototyping of ASIC designs before tape-out. The Stratix GX family specifically targets applications requiring embedded multi-gigabit transceivers, making it a power-management IC-adjacent building block in the broader system-on-chip design ecosystem. Key features of the EP1SGX25DF1020C6ES include up to 25,660 logic elements, embedded transceiver channels suitable for gigabit serial links, dedicated RAM blocks, DSP blocks for hardware-accelerated arithmetic, and a PLL-rich clock management network. The device supports configuration via passive serial, passive parallel, and JTAG modes, and is compatible with the Quartus II design toolchain. Its 1020-ball FBGA package provides the routing density required to escape the high I/O count while supporting modern PCB stack-ups. Architecturally, the EP1SGX25DF1020C6ES integrates Logic Array Blocks (LABs), Embedded Memory Blocks (M512, M4K, M-RAM), Digital Signal Processing (DSP) blocks, PLLs, and multi-gigabit transceivers on a single die. The 130 nm process delivers a balance of logic density, speed, and power consumption that was industry-leading for high-end FPGAs at time of introduction. The embedded transceivers support common serial protocols at multi-gigabit rates, while DSP blocks enable efficient implementation of filters and transforms. Typical applications include telecommunications backhaul and baseband processing, high-speed serial interface bridging (PCI Express, Serial RapidIO, Gigabit Ethernet), ASIC prototyping, broadcast video processing, and high-performance DSP pipelines such as radar and imaging. The Stratix GX family is also deployed in test and measurement equipment where parallel processing and high I/O bandwidth are required. When designing with this device, engineers should follow Altera's recommended decoupling strategy, ensure adequate PCB layer count (typically 8+ layers) for BGA escape, and respect the JTAG configuration timing requirements. Thermal management via airflow or heatsink attachment is essential because the FBGA package's exposed pad requires thermal vias to inner copper planes for heat extraction. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the Stratix GX family, and practical design considerations not consolidated in the manufacturer datasheet itself.

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EP1SGX25DF1020C6ESL - Stratix GX FPGA, 25K LE, 1020-BGA | Altera/Intel
EP1SGX25DF1020C6ESL

EP1SGX25DF1020C6ESL - Stratix GX FPGA, 25K LE, 1020-BGA | Altera/Intel

The Altera (now Intel) EP1SGX25DF1020C6ESL is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) integrating 25,660 logic elements, 1,944,576 bits of embedded RAM, and 607 user I/O pins into a 1020-ball FineLine BGA package. It is rated for commercial operating conditions (0 C to 85 C junction), with core logic powered at 1.5 V and I/O banks supporting multiple interface standards. An FPGA (Field-Programmable Gate Array) is a programmable logic device that combines configurable logic blocks (LABs/CLBs), programmable interconnects, and dedicated hardware blocks such as memory, transceivers, and DSP elements. FPGAs sit at the top of the digital IC hierarchy alongside ASICs and CPLDs, offering higher logic density and performance than CPLDs while providing faster time-to-market than ASICs. The Stratix GX family specifically adds multi-gigabit transceivers for high-speed serial I/O. Key features of the EP1SGX25DF1020C6ESL include embedded high-speed transceivers supporting 500 MHz operation (per family capability), dedicated DSP blocks for high-throughput arithmetic, distributed and block RAM totaling 1,944,576 bits, and 607 general-purpose user I/O pins distributed across multiple I/O banks supporting LVTTL, LVCMOS, SSTL, HSTL, LVDS, and other interface standards. The device also supports configuration via passive serial, fast passive parallel, and JTAG modes. The EP1SGX25DF1020C6ESL is implemented on a 1.5 V core, 0.13-micrometer CMOS process with copper interconnect layers, providing a balance of performance, integration, and power efficiency for its generation. The 1020-ball FineLine BGA package enables dense board routing while supporting high pin-count applications. Typical applications include high-speed serial interface bridging, custom communications backplanes, prototype ASIC validation, image and video processing pipelines, and embedded computing platforms. The combination of logic density, embedded transceivers, and rich I/O makes this device particularly suited for telecom infrastructure, test and measurement equipment, and defense applications. When designing with this device, ensure signal integrity analysis is performed on high-speed serial links and that PCB layout adheres to BGA fanout and decoupling guidelines specified in the device handbook. Thermal management must consider the 1020-BGA thermal characteristics and any required heatsinking or airflow. This page synthesizes distributor pricing data, drop-in same-package alternatives from the Stratix family, and practical design considerations not consolidated in the manufacturer datasheet alone.

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EP1SGX25DF1020C6L - 25K LE Stratix GX FPGA, 1020-BGA | Intel
EP1SGX25DF1020C6L

EP1SGX25DF1020C6L - 25K LE Stratix GX FPGA, 1020-BGA | Intel

The Intel (formerly Altera) EP1SGX25DF1020C6L is a high-density Stratix GX Field Programmable Gate Array (FPGA) with 25,660 logic elements, 607 user I/O pins, and 1,944,576 bits of embedded RAM, housed in a 1020-ball FineLine BGA package (33 x 33 mm, 1.0 mm pitch). Built on a 130 nm CMOS process, it integrates up to 20 high-speed transceivers capable of 500 Mbps to 3.1875 Gbps operation, making it the forerunner of modern gigabit-serial FPGA architectures. An FPGA (Field Programmable Gate Array) is a programmable logic device containing configurable logic blocks (LABs/CLBs), routing fabric, and dedicated hard IP that the designer can interconnect after manufacture to realize arbitrary digital functions. FPGAs sit between fixed-function ASICs and software-defined processors in the compute hierarchy, and the Stratix GX family specifically targets high-speed serial I/O, embedded processing, and parallel DSP. Within the broader taxonomy, an FPGA is a programmable logic device (PLD) -> logic IC -> integrated circuit (IC) -> semiconductor. Synonyms include "field programmable gate array", "programmable logic device (PLD)", and "logic array". Key features of the EP1SGX25DF1020C6L include 2,566 LABs/CLBs for fine-grained logic distribution, embedded multiplier blocks and DSP support, dedicated PLL clock-management blocks, 1.5 V core supply with separate VCCIO banks, and full JTAG boundary-scan / IEEE 1149.1 support. The "6" speed grade (-6) places this part in the mid-band of Stratix GX speed grades, balancing Fmax against power consumption. The "L" suffix indicates a lead-free, RoHS-compliant package finish. Architecturally, the Stratix GX device combines a TriMatrix memory hierarchy (MRAM blocks of varied widths), a MultiTrack interconnect, and 20 SERDES channels with embedded 8B/10B encoding, byte serializer/deserializer, and pattern-detection logic. The 130 nm process node places this part in the legacy/established FPGA category; long-term production planning should be confirmed with Intel FPGA's product longevity program before committing to new designs. Typical applications include multi-gigabit serial backplanes (XAUI, Serial RapidIO, PCI Express endpoint 1.0/2.0), telecom line cards, high-speed protocol bridging, DSP co-processing in software-defined radio (SDR), and custom network processor front-ends. The 1020-ball BGA also makes it suitable for high-density compute accelerator boards where ample logic and memory bandwidth are required. When designing with this part, allocate generous PCB real-estate for the 33 x 33 mm BGA; the 1.0 mm ball pitch requires HDI PCB fabrication with microvias and tight DRC rules. Provide clean, low-noise power rails (1.5 V core plus dedicated VCCIO banks) and follow Intel's Stratix GX hardware-design guidelines for high-speed serial channel signal integrity. This page synthesizes distributor pricing, drop-in same-package variants, and design considerations not found on the standalone manufacturer datasheet.

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