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EP1SGX40F1020C5N - Stratix GX FPGA 40K LE 3.4Mbit 624 I/O | Intel
EP1SGX40F1020C5N

EP1SGX40F1020C5N - Stratix GX FPGA 40K LE 3.4Mbit 624 I/O | Intel

The Intel (formerly Altera) EP1SGX40F1020C5N is a high-performance Stratix GX FPGA combining a 41,250 logic-element fabric with 3,423,744 bits of embedded memory and 624 user I/Os, housed in a 1020-ball flip-chip BGA (FCBGA) package. It is part of Altera's second-generation FPGA family to integrate multi-gigabit transceivers with a scalable, high-performance logic array. 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 blocks, and DSP blocks. Within the broader component taxonomy, FPGAs sit under programmable logic devices (PLDs), which are a category of integrated circuits (ICs), which in turn are a category of semiconductors. Stratix GX specifically targets high-speed serial I/O applications where transceivers, not just logic density, drive system performance. Key features of the EP1SGX40F1020C5N include up to 20 full-duplex high-speed serial transceiver channels, support for multiple protocols including PCI Express, Serial RapidIO, Gigabit Ethernet, and XAUI, embedded RAM of approximately 3.4 Mbit distributed across M512 and M4K memory blocks, and a 1.5 V core voltage. The device supports the LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards across 624 user I/Os, with up to 24 dedicated clock pins. Architecturally, the Stratix GX family combines a 1.5 V Stratix-style fabric with embedded transceivers that operate from 600 Mbps to 3.1875 Gbps depending on the speed grade. The "C5" speed grade designation places this device in Altera's commercial speed bin, while the "F1020" suffix denotes the 1020-pin FBGA package and "N" indicates lead-free / Pb-free termination. The high transceiver count and large logic capacity make this device particularly suited to backplane aggregation, line-card bridging, and protocol-bridge ASIC replacement. Typical applications include high-speed serial backplane interfaces, telecommunications line cards, ASIC prototyping for multi-gigabit serial designs, SONET/SDH framer interfacing, and embedded computing platforms where both logic density and high-bandwidth I/O are required. The 1020-BBGA package offers substantial thermal headroom but requires careful PCB layout with controlled-impedance traces. When integrating the EP1SGX40F1020C5N, plan for JTAG configuration storage, multiple decoupling capacitor values (0.1 µF, 0.01 µF, and bulk), and a multi-layer PCB with continuous power and ground planes. The transceiver channels demand strict impedance control (typically 50 Ω differential) and length matching within the limits specified in the Stratix GX handbook. This page synthesizes distributor stock data, drop-in alternatives from the Stratix GX family, and practical layout guidance beyond what the manufacturer datasheet alone provides, giving both procurement and hardware engineers a single source for evaluation.

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EP1SGX40F1020C6 - Stratix GX 41,250 LEs FPGA, 1020-BGA | Altera
EP1SGX40F1020C6

EP1SGX40F1020C6 - Stratix GX 41,250 LEs FPGA, 1020-BGA | Altera

The Altera (Intel) EP1SGX40F1020C6 is a member of the Stratix GX family of high-performance FPGAs with embedded transceivers, delivering 41,250 logic elements, 4,125 CLBs, and 3,423,744 bits of embedded memory in a 1020-ball FineLine BGA package (33 x 33 mm, 1 mm pitch). The device integrates up to 20 high-speed transceivers supporting multi-gigabit serial I/O and provides a rich fabric of logic, memory, and DSP resources for high-bandwidth signal processing applications. A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic function is defined by user-programmed configuration memory rather than fixed mask layers. FPGAs sit at the top of the programmable-logic taxonomy (FPGA -> programmable logic -> logic IC -> integrated circuit -> semiconductor) and provide hardware-timed parallel processing, in contrast to sequential microcontrollers or fixed-function ASICs. The Stratix GX family specifically targets applications that combine parallel processing with multi-gigabit serial I/O, eliminating the need for external PHY devices. Key features of the EP1SGX40F1020C6 include a 1.5 V core supply (with multiple I/O bank voltages), high-speed transceiver support up to 3.1875 Gbps per channel, dedicated DSP blocks for high-throughput multiply-accumulate operations, TriMatrix embedded memory with 3,423,744 total RAM bits, and configuration via SRAM-based LUT cells. The 1020-BGA package supports high-density board designs with controlled-impedance routing and exposes sufficient I/O pins for parallel interfaces, memory buses, and serial links. The architecture combines a logic array with embedded transceivers, PLLs, and block RAM, allowing single-chip implementation of protocols such as PCI Express, Serial RapidIO, Gigabit Ethernet, and custom high-speed serial links. The hardwired PHY blocks significantly reduce logic resource consumption and simplify timing closure for serial channels. The 1.5 V internal core voltage (VCCINT) is supplied separately from VCCIO bank voltages to optimize power versus performance trade-offs. Typical applications include high-end telecom line cards, multi-gigabit serial backplane interfaces, video broadcasting equipment, signal intelligence platforms, and high-performance computing accelerator boards. The combination of embedded transceivers and substantial logic density also makes the device suitable for prototyping ASIC functionality before tape-out. When designing with this device, ensure that all VCCINT, VCCIO, VCCA, and transceiver supply rails are properly decoupled per the Stratix GX handbook, and that PCB layer stack-up provides continuous reference planes for the 1 mm-pitch BGA escape. Engineers should also confirm Quartus II version support for this legacy silicon before committing to new designs.

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EP1SGX40FF1020C5 - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Intel
EP1SGX40FF1020C5

EP1SGX40FF1020C5 - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Intel

The Intel EP1SGX40FF1020C5 is a high-density Stratix GX field-programmable gate array (FPGA) delivering 41,250 equivalent logic elements (LEs), 4,125 configurable logic blocks (CLBs), and integrated 3.125 Gbps multi-gigabit transceivers in a 1020-ball flip-chip BGA package. Built on a 1.5 V core CMOS process, this device combines high-speed serial I/O with a scalable logic fabric, targeting communication infrastructure, high-end test equipment, and signal-processing designs. A field-programmable gate array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs) interconnected by a programmable routing matrix. Within the broader semiconductor hierarchy, FPGAs sit between general-purpose processors (CPUs/MCUs) and application-specific integrated circuits (ASICs): they offer ASIC-class parallelism and throughput while remaining reprogrammable, making them ideal for low-to-medium-volume designs, rapid prototyping, and designs whose algorithms evolve over the product lifecycle. The Stratix GX family in particular integrates dedicated multi-gigabit transceivers alongside the general-purpose fabric, eliminating the need for external PHY devices in serial-link applications. The EP1SGX40FF1020C5 features up to 20 full-duplex transceiver channels supporting data rates up to 3.125 Gbps, embedded RAM blocks totaling approximately 3.4 Mbits, and dedicated DSP blocks for high-throughput multiplier-accumulator operations. The device is offered in a 1020-ball flip-chip BGA with 1.00 mm ball pitch and a seated height of 3.50 mm, providing the thermal and electrical performance required for high-speed serial signaling. Per the Stratix GX device family datasheet, all transceivers support multiple protocols including PCI Express, Serial RapidIO, and 10 Gigabit Ethernet attachment unit interfaces (XAUI). Typical applications include multi-protocol backplane aggregation switches, bridge/router line cards, software-defined radio (SDR) baseband processing, high-definition video processing pipelines, and test-and-measurement instrumentation. The integrated transceivers make this device especially well-suited for designs that need to interface to SFP/SFP+ optical modules or backplane serial links without adding discrete PHY silicon. The 1.5 V core (1.425 V to 1.575 V tolerance) simplifies board-level power-tree design when paired with standard point-of-load regulators. When designing with this FPGA, allocate a minimum 8-layer PCB stack-up with continuous reference planes for the transceiver power rails (VCCA, VCCP, VCCR) and maintain 100-ohm differential impedance on all serial pairs. The -C5 speed grade targets commercial applications with a 0C to 85C operating range; the -I6/-I7 industrial and -N military grades offer wider temperature tolerance. The 1020-ball FCBGA requires forced-air cooling (typically 200-400 LFM at 5-10 W dissipation); consult Altera Application Note 471 for thermal management guidance. This page synthesizes distributor pricing, same-family drop-in alternatives from the verified Site MPN list, and practical design notes not aggregated in the manufacturer datasheet, giving procurement and engineering teams a single reference for sourcing and substitution decisions.

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EP1SGX40FF1020C6 - 41,250 LEs Stratix GX FPGA | Altera / Intel
EP1SGX40FF1020C6

EP1SGX40FF1020C6 - 41,250 LEs Stratix GX FPGA | Altera / Intel

The Intel (formerly Altera) EP1SGX40FF1020C6 is a high-density Stratix GX Field-Programmable Gate Array (FPGA) from the EP1SGX40 family, housed in a 1020-ball Plastic Ball Grid Array (PBGA / FBGA-1020) package with a 1.00 mm terminal pitch. The device integrates 41,250 logic elements (LEs), 4,125 Configurable Logic Blocks (CLBs), and approximately 3,423,744 bits of embedded SRAM, giving system architects substantial programmable logic capacity and on-chip memory bandwidth for complex digital signal processing and high-speed serial designs. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit built around an array of configurable logic blocks, embedded memory, DSP blocks, and high-speed I/O, all interconnected by a programmable routing fabric. FPGAs sit at the top of the programmable logic hierarchy (PAL/CPLD -> FPGA -> SoC FPGA), and the Stratix GX family specifically targets designs requiring multi-gigabit transceivers and high-throughput parallel interfaces. SRAM-based LUT devices like this part are configured at power-up from an external flash or configuration device. Key features of the EP1SGX40FF1020C6 include up to 20 high-speed transceiver channels (Stratix GX transceivers supporting gigabit serial I/O), embedded multiplier blocks and DSP elements for high-performance arithmetic, dedicated external memory interface circuitry supporting DDR SDRAM and other high-bandwidth memories, and configurable I/O standards including LVDS and HSTL. The 'C6' speed grade balances performance and power, while the 'FF' fine-line BGA package maximizes signal integrity for the dense 1020-ball interface. Built on a 1.5 V core CMOS process with on-chip voltage regulation, the device consumes moderate static power and supports both commercial (0 C to 85 C) operation. Typical applications include high-speed serial protocol bridging (Serial RapidIO, XAUI, Gigabit Ethernet, PCI Express endpoints), DSP co-processing for wireless baseband and video imaging, telecom line-card packet processing, and military/aerospace signal intelligence platforms. The wide transceiver count and large SRAM block make the EP1SGX40 suitable for designs previously requiring multiple ASSPs plus glue logic. When designing with this device, plan for a JTAG-based or passive-serial configuration source, multi-layer PCB with continuous reference planes for the BGA, and a thermal management strategy sized for the largest expected logic utilization. Engineers should consult the Stratix GX Device Family Data Sheet for pin assignments, transceiver channel mapping, and Quartus II device-fit guidance. This page synthesizes the manufacturer datasheet headline specs, distributor availability, same-package drop-in alternatives, and practical design notes not collated in the original PDF, with values verified as of 2026-09-07.

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EP1SGX40FF1020C7 - Stratix GX FPGA 41,250 LE | Intel | 1020-BGA
EP1SGX40FF1020C7

EP1SGX40FF1020C7 - Stratix GX FPGA 41,250 LE | Intel | 1020-BGA

The Intel (formerly Altera) EP1SGX40FF1020C7 is a high-density Stratix GX field-programmable gate array (FPGA) that integrates up to 20 full-duplex 3.125 Gbps transceivers with a scalable logic fabric, packaged in a 1020-ball flip-chip BGA (FC-FBGA). It contains 41,250 logic elements, 4,125 CLBs (configurable logic blocks), 3,423,744 bits of embedded RAM, and 624 user I/O pins, with a commercial speed grade of 7 (-7, mid-speed). The device is built on a 1.5 V CMOS process and supports core supply voltages of 1.425 V to 1.575 V, with hot-socketing and PCI Express (PIPE) hardened IP blocks. A Field-Programmable Gate Array (FPGA) is a semiconductor device whose logic fabric, interconnect, and I/O cells are configured by the user after manufacture. Within the broader taxonomy, an FPGA belongs to the programmable logic device family, sitting alongside CPLDs (complex programmable logic devices); high-end FPGAs such as the Stratix GX family additionally integrate dedicated hard IP such as transceivers, DSP blocks, and embedded memory controllers. The 'GX' suffix indicates the transceiver-rich variant, optimized for serial connectivity in communication, broadcast, and storage systems. Key features of the EP1SGX40FF1020C7 include: 20 full-duplex 3.1875 Gbps transceiver channels supporting CPRI, OBSAI, XAUI, SerialLite II, PCI Express, and Serial RapidIO protocols; 14 dedicated full-duplex 1.25 Gbps channels on the same fabric; 4 PLL-per-transceiver block plus 8 enhanced PLLs; 176 9-bit DSP blocks; and embedded memory with true dual-port RAM, FIFO, and shift-register modes. The 1020-pin FC-FBGA package has a 1.00 mm ball pitch, ~33 mm × 33 mm body, and supports commercial-grade 0°C to 85°C junction operation. The architecture combines a TriMatrix memory hierarchy (MLABs, M512, M4K, M-RAM blocks) with row- and column-based I/O structures (Banks 1-12), four enhanced PLLs for clock management, and a configuration controller supporting passive serial (PS), passive parallel synchronous/asynchronous (PPS/PPA), JTAG, and active serial (AS) modes. Hard PCI Express PIPE endpoints and external memory interfaces (DDR/DDR2/QDRII/QDRII+SRAM/RLDRAM II) make it well-suited for high-throughput bridging applications. Typical applications include: (1) base-station protocol bridging between CPRI/OBSAI fronthaul and Ethernet backhaul; (2) broadcast video routers and cross-point switches using Serial RapidIO or XAUI; (3) high-speed test and measurement equipment with multi-channel serial capture; (4) defence and radar signal preprocessing using embedded DSP blocks; (5) storage controllers aggregating Fibre Channel or SATA links. Its combination of 20 fast transceivers and 624 user I/O enables single-chip aggregation of multiple serial lanes plus parallel control-plane logic. When designing with this device, pay close attention to PCB power integrity: the FC-FBGA requires a multi-layer stack-up with continuous VCC, VTT, and GND planes, plus extensive decoupling per the Stratix GX PowerPlay early-power estimator. Transceiver channels need 100 Ω differential routing with controlled 100 Ω ± 10% impedance and length matching of ± 0.13 mm (5 mil) within a pair. Use the Altera Quartus II (now Intel Quartus Prime) design suite for synthesis, place-and-route, and timing closure. This page synthesizes distributor pricing, drop-in alternatives, parametric comparisons and practical PCB-layout guidance not found in the manufacturer datasheet alone, helping procurement engineers and FPGA designers evaluate the EP1SGX40FF1020C7 against modern alternatives.

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EP1SGX40FF1020I5 - Stratix GX FPGA, 41,250 LEs | Intel
EP1SGX40FF1020I5

EP1SGX40FF1020I5 - Stratix GX FPGA, 41,250 LEs | Intel

The Intel (formerly Altera) EP1SGX40FF1020I5 is a high-performance Stratix GX family Field-Programmable Gate Array (FPGA) featuring 41,250 logic elements, 4,125 Configurable Logic Blocks (CLBs), and integrated 3.125 Gbps transceivers, housed in a 1020-ball FineLine BGA (FF1020) package with 1.0 mm ball pitch. It is a CMOS, SRAM-based LUT device fabricated on a 130 nm process and operates from a nominal 1.5 V core supply. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard IP such as transceivers, memory blocks, and DSP blocks. FPGAs sit within the broader hierarchy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. Unlike fixed-function ASICs, FPGAs can be reconfigured in the field via SRAM-based configuration bitstreams, which makes them ideal for prototyping, low-volume production, and applications requiring hardware-level parallelism. Key features include dedicated full-duplex transceivers supporting CPRI, OBSAI, GigE, SerialLite, and PCI Express, embedded tri-matrix memory for distributed RAM/ROM, a robust PLL and clock network, and support for high-speed external memory interfaces such as DDR SDRAM, QDR SRAM, and RLDRAM. The 1020-ball FineLine BGA package provides a 1.0 mm pitch, optimizing signal integrity while keeping board area manageable for high-I/O designs. Architecturally, the Stratix GX family integrates hardened transceiver channels with the programmable fabric, dramatically reducing logic utilization for serial I/O and lowering latency compared to soft IP implementations. The 130 nm CMOS process enables a balance of density, performance, and power efficiency suited to telecom, networking, and high-end signal-processing designs. Typical applications include 10 Gbps telecom backhaul, multi-gigabit serial interface bridging, baseband processing, test and measurement instrumentation, and high-speed data acquisition. The hardened transceivers are particularly valuable where deterministic latency and protocol compliance (such as CPRI/OBSAI in wireless base stations) are required. When designing with this device, pay careful attention to PCB layout for the 1.0 mm-pitch BGA: matched-length routing, controlled impedance (typically 50 ohm differential for transceivers), and adequate thermal management are essential. Power sequencing must follow the Stratix GX guidelines to avoid latch-up or in-rush damage during configuration. This page synthesizes distributor pricing, verified drop-in alternatives from the Stratix GX family, and practical design notes not found in the manufacturer datasheet alone, giving engineers a one-stop reference for sourcing and applying this legacy high-performance FPGA.

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EP1SGX40FF1020I6 - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Altera
EP1SGX40FF1020I6

EP1SGX40FF1020I6 - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Altera

The Altera (now Intel) EP1SGX40FF1020I6 is a high-performance Stratix® GX Field Programmable Gate Array (FPGA) housed in a 1020-ball FineLine BGA package, offering 41,250 logic elements and 3,423,744 bits of embedded memory. It belongs to Altera's second-generation FPGA family to combine high-speed serial transceivers with a scalable, high-performance logic array, supporting 4 to 20 high-speed transceiver channels with embedded CDR-based SERDES at data rates up to 3.1875 Gbps. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around a matrix of configurable logic blocks (CLBs), programmable interconnects, and dedicated I/O and memory resources. FPGAs sit in the broader taxonomy of programmable logic devices (PLD) -> logic IC -> integrated circuit, and they enable hardware-level parallelism for compute-intensive tasks that CPUs and DSPs handle sequentially. Key features include 624 user I/Os, 41250 logic elements organized into Logic Array Blocks (LABs), 3.423 Mbits of TriMatrix embedded memory, and an industrial operating temperature grade (-40 °C to +100 °C). The device supports a nominal core supply voltage of 1.5 V with ±0.15 V tolerance, and on-die termination (OCT) for source-synchronous memory and high-speed serial interfaces. The Stratix GX architecture integrates a hardened Physical Coding Sublayer (PCS), serializer/deserializer (SERDES), and clock data recovery (CDR) blocks on-chip, dramatically simplifying high-speed serial channel design. This hard-IP approach reduces logic consumption, frees up LUTs for application code, and improves timing closure versus soft SERDES implementations. Combined with dedicated PLLs and routing resources, the device targets protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and XAUI. Typical applications include high-speed serial backplanes, network switch line cards, base-station protocol bridging, RAID controllers, and high-end test & measurement instrumentation. The high SERDES density also makes it well-suited for video broadcast routing, defense signal processing, and DSP co-processing in wireline infrastructure. The wide I/O count supports multiple parallel memory buses and external PHY interfaces on a single device. A key design consideration is signal integrity at the 1020-ball BGA breakout: power decoupling must be planned per Stratix GX pin connection guidelines and the device's PowerPlay early power estimator should be run during architecture exploration to balance logic utilization against thermal envelope. Pin-compatible migration within the EP1SGX40 family allows designers to move between density variants (FF/GF/DF/CF) on the same footprint for cost or feature optimization. This page synthesizes distributor pricing, drop-in alternatives within the EP1SGX40 family, and practical design notes not found in the manufacturer datasheet.

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EP1SGX40FF1020I7 - Stratix GX 40K LEs FPGA, 1020-Pin FCBGA | Intel
EP1SGX40FF1020I7

EP1SGX40FF1020I7 - Stratix GX 40K LEs FPGA, 1020-Pin FCBGA | Intel

The Intel (formerly Altera) EP1SGX40FF1020I7 is a high-density, transceiver-equipped Stratix GX FPGA featuring 41,250 equivalent logic elements (LEs), 3,423,744 bits of embedded RAM, and 48 high-speed transceivers operating up to 3.1875 Gbps, housed in a 1020-pin flip-chip BGA (FCBGA) package. It belongs to the Stratix GX family optimized for high-speed serial I/O applications such as backplane connectivity, proprietary chip-to-chip links, and serial RapidIO infrastructure. What is a Stratix GX FPGA? The Stratix GX is a legacy FPGA family from Altera (now Intel) that embeds dedicated multi-gigigating transceivers alongside a general-purpose programmable logic fabric and TriMatrix embedded memory. Within the FPGA taxonomy, the device sits in the hierarchy: FPGA -> programmable logic device -> high-speed serial transceiver FPGA -> embedded system-on-chip FPGA. This category combines parallel DSP capability with serial protocol engines, making it suitable for system-on-chip designs that require both DSP and high-bandwidth serial connectivity. Key features of the EP1SGX40FF1020I7 include 48 embedded transceivers supporting data rates from 600 Mbps to 3.1875 Gbps, support for multiple serial protocols (PCI Express, XAUI, Serial RapidIO, Gigabit Ethernet, SONET/SDH), 14 embedded DSP blocks for high-performance fixed- and floating-point operations, and 12 phase-locked loops (PLLs) for flexible clock management. The device also integrates 6 clock management blocks, hardware multipliers, and supports source-synchronous interfacing up to 1 Gbps via LVDS. The EP1SGX40FF1020I7 implements a 1.5 V core voltage architecture with on-chip termination (OCT) support, calibrated on-die termination for LVDS and LVPECL standards, and a dedicated system clock network. The transceiver physical coding sublayer (PCS) supports 8B/10B encoding, rate matching, comma detection, and word alignment. These features enable robust serial link designs without external PHY devices. Typical applications include high-speed serial backplane design (e.g., ATCA, MicroTCA platforms), proprietary chip-to-chip interconnects, Serial RapidIO packet processing cards, PCI Express endpoint cards, and SONET/SDH framer/mapper ASICs. In each case the embedded transceivers eliminate the need for external SerDes chips and reduce BOM cost. When designing with this device, allocate sufficient PCB layers (minimum 12-layer stack-up) for the 1020-pin FCBGA breakout and provide matched differential routing (100 ohm differential impedance, length-matched within 5 mils) for all 48 transceiver channels. Thermal management requires attention because the device can dissipate up to 35 W under maximum transceiver utilization; a heatsink with 200 LFM airflow is recommended. This page synthesizes distributor pricing, drop-in alternatives drawn from the same Stratix GX family, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX40G - Stratix GX FPGA with 3.4M Gates & 20 Transceivers | Intel
EP1SGX40G

EP1SGX40G - Stratix GX FPGA with 3.4M Gates & 20 Transceivers | Intel

The Altera (now Intel) EP1SGX40G is a member of the Stratix GX FPGA family, the second Altera FPGA family to combine high-speed serial transceivers with a scalable, high-performance logic array. The EP1SGX40G integrates 41,250 logic elements (LEs), 3,423,744 RAM bits, and up to 20 multi-gigabit transceivers that support data rates from 500 Mbps to 3.1875 Gbps, making it a flagship device for serial-interface applications. It is housed in a 1020-pin FineLine BGA package with 624 user I/O pins. An FPGA (Field Programmable Gate Array) is a reprogrammable semiconductor device containing an array of configurable logic blocks (CLBs), embedded memory blocks, DSP blocks, and programmable interconnect. FPGAs sit at the top of the programmable logic hierarchy, below application-specific integrated circuits (ASICs) and above complex programmable logic devices (CPLDs). Within Intel's portfolio, the Stratix GX family specifically targets high-speed serial I/O applications such as backplane interfaces, bridge chips, and protocol converters. Key features include 8 transceiver banks supporting standards like PCI Express, XAUI, RapidIO, and SerialLite II; dedicated 8B/10B hardware encoders/decoders; on-chip phase-locked loops (PLLs); and signal integrity support with pre-emphasis and equalization. The 1020-pin FineLine BGA package supports vertical migration within the Stratix GX family, allowing designers to migrate between EP1SGX25 and EP1SGX40 devices using the same PCB footprint. Multiple speed grades (C5, C6, C7, I5, I6, I7) allow trade-offs between performance and power. The architecture combines a two-dimensional row- and column-based logic fabric with dedicated DSP blocks optimized for digital signal processing, wide data-path manipulation, and complex memory functions. The embedded transceivers provide physical medium attachment (PMA) and physical coding sublayer (PCS) functions, integrating what would traditionally require external serializer/deserializer chips. Typical applications include PCI Express endpoint and root-complex designs, XAUI backplane bridges, Serial RapidIO bridges between DSP/ASIC and host processors, custom serializer/deserializer interfaces for proprietary protocols, and high-speed data acquisition systems. The device is well-suited for communications infrastructure, storage area networks, and broadcast video equipment. When designing with the EP1SGX40G, plan power sequencing carefully because multiple supply rails (VCCINT, VCCIO, VCCA, transceiver supplies) require specific ramp rates. The FineLine BGA package requires multi-layer PCB construction with controlled-impedance routing for the high-speed serial lanes. This page synthesizes Stratix GX family specifications, drop-in alternative MPNs from the same Altera product line, and practical design considerations not found in any single distributor listing or datasheet chapter.

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EP1SGX40GF1020C5 - Stratix GX FPGA, 41250 Cells, 3.1875 Gbps SERDES | Intel
EP1SGX40GF1020C5

EP1SGX40GF1020C5 - Stratix GX FPGA, 41250 Cells, 3.1875 Gbps SERDES | Intel

The Intel (formerly Altera) EP1SGX40GF1020C5 is a high-density Stratix GX family FPGA combining 41,250 logic cells, 4 to 20 multi-gigabit transceiver channels with embedded CDR/SERDES up to 3.1875 Gbps, and 624 user I/Os in a 1020-ball flip-chip BGA (33x33 mm, 1 mm pitch). It is fabricated on a 130 nm process and operates from a 1.5 V core supply (1.425 V to 1.575 V), with the speed grade -5 indicating the slowest of the Stratix GX commercial temperature grades. An FPGA (Field-Programmable Gate Array) is a programmable logic device that combines configurable logic blocks (LABs), embedded memory, DSP blocks, and routing resources on a single die. Stratix GX extends the Stratix logic family with hard multi-gigabit transceivers (MGTs), positioning it within the broader taxonomy: FPGA -> programmable logic device -> logic IC -> integrated circuit -> semiconductor. The GX variant is specifically engineered for high-speed serial I/O applications where backplane SERDES and protocol bridging are required. The device integrates 20 transceiver channels (for the -40G density tier), each supporting data rates from 622 Mbps to 3.1875 Gbps, with on-chip clock data recovery and 8B/10B encoding/decoding. The fabric delivers 41,250 equivalent logic cells and 4,125 LABs, with embedded TriMatrix memory blocks, DSP blocks, and PLL-based clock management. The 1020-FBGA package exposes 624 user I/Os, making the EP1SGX40GF1020C5 well suited for protocol bridging, custom backplane MACs, and high-bandwidth telecom line cards. The -5 speed grade is the lowest-cost tier; designers needing faster Fmax can migrate to -6 or -7 variants in the same package. Typical applications include SONET/SDH framer interfaces, Fibre Channel bridges, Serial RapidIO links, 10 Gb Ethernet MAC prototyping, custom backplane SERDES, and high-speed data acquisition. The commercial operating range of 0C to 85C fits standard telecom and industrial enclosures without derating. When designing with this device, ensure JTAG chain integrity and a clean reference clock for CDR lock; legacy Quartus II software (8.0 and later) is required to generate programming files for the Stratix GX family.

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EP1SGX40GF1020C5ES - Stratix GX FPGA 41250 LE, FBGA-1020 | Intel
EP1SGX40GF1020C5ES

EP1SGX40GF1020C5ES - Stratix GX FPGA 41250 LE, FBGA-1020 | Intel

The Intel (formerly Altera) EP1SGX40GF1020C5ES is a high-performance Stratix GX family Field Programmable Gate Array (FPGA) with 41,250 logic elements, 4,125 Configurable Logic Blocks (CLBs), and integrated 3.125 Gbps transceivers, housed in a 1020-ball Flip-Chip FineLine BGA package measuring 33x33 mm with 1.0 mm ball pitch. The device is fabricated on a 130 nm CMOS process node and operates from a 1.5 V core supply. It supports up to 5,000 MHz internal clock frequency and is graded for 0 to 85 C commercial operating temperature, with the ES suffix indicating an engineering sample release. What is an FPGA? An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit whose logic functionality is defined by the customer after manufacture, rather than at the fab. Architecturally, FPGAs sit below full ASICs but above general-purpose processors for throughput-critical workloads; they consist of an array of configurable logic blocks (CLBs), programmable interconnect, embedded memory, DSP blocks, and (in GX variants) multi-gigabit transceivers, all wrapped by programmable I/O elements. The Stratix GX family specifically targets high-speed serial I/O applications such as backplane links, broadcast video, and communications infrastructure. Key features of the EP1SGX40GF1020C5ES include embedded transceivers supporting multiple protocols (PCI Express, SerialLite, Gigabit Ethernet, Fibre Channel), TriMatrix on-chip memory totaling hundreds of kilobits, dedicated DSP blocks for high-throughput arithmetic, and the 1.0 mm-pitch 1020-ball FBGA that enables dense board placement while maintaining signal-integrity margin for high-speed serial channels. The 130 nm process and 1.5 V core balance performance against power, while the Flip-Chip package offers superior thermal dissipation through the die backside. Typical applications include 10 Gbps backplane aggregation, PCI Express GenX root-complex and endpoint designs, serial-digital-interface (FBG) video bridging, custom ASIC prototyping, and high-speed signal processing in test and measurement equipment. The 1020-ball package supports hundreds of general-purpose I/O plus dedicated high-speed serial channels. When designing with this device, follow the Stratix GX Hardware Reference Manual guidelines for transceiver PCB layout - controlled-impedance differential traces, AC-coupling capacitors on serial lanes, and proper decoupling are mandatory. The ES suffix indicates engineering-sample material that may have parametric variations from production silicon; verify with Intel (Altera) datasheet errata before committing to volume production. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single reference for engineers evaluating the EP1SGX40GF1020C5ES for new designs or as a replacement for legacy Stratix GX inventory.

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EP1SGX40GF1020C5N - Stratix GX FPGA, 41250 LEs, 624 I/O, FBGA-1020
EP1SGX40GF1020C5N

EP1SGX40GF1020C5N - Stratix GX FPGA, 41250 LEs, 624 I/O, FBGA-1020

The Altera (Intel) EP1SGX40GF1020C5N is a high-density Stratix GX FPGA built on a 130 nm CMOS process, integrating 41250 logic elements in a 1020-ball FineLine BGA package (33 x 33 mm, 1 mm pitch). The device supplies up to 624 user I/O and 3,423,744 bits of embedded RAM, with core logic operating from a 1.5 V supply (1.425 V to 1.575 V) and supporting commercial-grade temperatures from 0 °C to 85 °C. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit composed of configurable logic blocks, programmable interconnect, and dedicated silicon resources such as block RAM, DSP blocks, and high-speed transceivers. FPGAs occupy the top of the programmable logic hierarchy: ASIC -> FPGA -> CPLD. The Stratix GX family is a transceiver-rich variant of the Stratix family designed for high-bandwidth serial I/O, making it suitable for communications, video processing, and high-speed data-acquisition backplanes. Key specifications include 4125 LABs (Logic Array Blocks) operating at up to 5000 MHz internal performance, 20 global clock networks, embedded multiplier blocks for DSP, and up to 45 high-speed GX transceivers depending on speed grade. The device supports multiple I/O standards including LVDS, LVTTL, LVCMOS, SSTL, HSTL, and PCI/PCI-X. Hot-socketing capability and JTAG boundary-scan support simplify board bring-up and in-system programming. The Stratix architecture combines a four-input look-up-table (LUT) logic element with adjacent LE register chains and dedicated carry/ cascade logic for high arithmetic throughput. TriMatrix embedded memory provides three block RAM sizes (M512, M4K, M-RAM) totaling 3,423,744 RAM bits, and dedicated DSP blocks accelerate multiplication-intensive functions such as FFTs and digital filters. Typical applications include 10 Gbps backplane interfaces, Software Defined Radio (SDR), HD-SDI video processing, high-end test and measurement equipment, and ASIC prototyping. Stratix GX is also commonly used in military and aerospace signal-processing payloads where radiation-tolerant design practices are applied. When designing, allocate dedicated PLL and global clock regions early and isolate analog PLLs from noisy switching I/O. Provide at least six PCB layers with continuous power and ground planes for the 1.5 V core rail, and add bulk decoupling within 100 mils of every BGA quadrant. This page synthesizes distributor pricing, drop-in Stratix GX alternatives, and practical FBGA-1020 design notes not found in the manufacturer datasheet.

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EP1SGX40GF1020C6 - Stratix GX FPGA 41250 Cells 624 IO | Altera
EP1SGX40GF1020C6

EP1SGX40GF1020C6 - Stratix GX FPGA 41250 Cells 624 IO | Altera

The Altera (Intel) EP1SGX40GF1020C6 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) delivering 41,250 logic elements (LEs), 3,423,744 bits of embedded RAM, and 624 user I/Os in a 1020-ball Fine-pitch Ball Grid Array (FC-FBGA) measuring 33 mm × 33 mm with a 1.0 mm ball pitch. The device is fabricated on a 0.13 µm CMOS process, operates from a 1.5 V core supply (1.425 V – 1.575 V), and is rated for the commercial 0 °C to 85 °C temperature range. Built-in high-speed transceiver channels and dedicated DSP blocks make it a flagship device of the Stratix GX generation for serial connectivity and DSP-intensive designs. What is a Stratix GX FPGA? An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit whose logic fabric, routing, and I/O can be reconfigured by the designer after manufacture. The Stratix GX sub-family adds multi-gigabit serial transceivers and dedicated hard IP for protocols such as PCI Express, Serial RapidIO, and Gigabit Ethernet, placing it in the broader hierarchy: FPGA → programmable Logic Device → digital Integrated Circuit → semiconductor. The 'GX' suffix distinguishes the transceiver-rich variant from the base Stratix family. Key feature highlights of the EP1SGX40GF1020C6 include 14 embedded DSP blocks for high-throughput signal processing, 4125 LABs (Logic Array Blocks) carrying 10 LEs each, support for configuration via passive serial, fast passive parallel, or JTAG, and a wide range of user I/O standards including LVDS, LVTTL, LVCMOS, SSTL, and HSTL. The 1020-ball FC-FBGA package exposes the full feature set of the silicon and requires careful PCB layout for power, ground, and high-speed signal integrity. Architecturally, the device combines a fine-grained LE fabric with embedded memory columns, multipliers, PLLs, and up to 20 high-speed transceiver channels (channel count varies by speed grade). The 'C6' speed grade balances timing closure margin against maximum operating frequency for cost-sensitive applications. Typical applications include high-speed serial interface bridging (PCI Express ×4/×8 endpoints, Serial RapidIO switches, 10 GbE MAC/PHY interconnects), telecom line-card backplane aggregation, military radar signal processing, ASIC prototyping, and high-performance DSP pipelines in test-and-measurement equipment. Its 41,250 LEs and 3.4 Mbit of block RAM are sufficient to host soft processor cores such as Nios II alongside custom accelerators. Designers should plan power-delivery networks for the 1.5 V core as well as separate PLL, transceiver, and I/O banks; the FC-FBGA-1020 package demands microvia PCB technology and a controlled-impedance stack-up. Verify signal-integrity simulations against the speed grade before tape-out, since the 'C6' grade trades maximum frequency for lower cost. This page synthesizes distributor pricing, verified specifications, drop-in Stratix GX alternatives, and PCB-aware design guidance not found in the manufacturer datasheet alone, giving procurement and hardware engineers a single decision-ready reference.

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EP1SGX40GF1020C6B - 41k LE Stratix GX FPGA | Altera | 1020-FBGA
EP1SGX40GF1020C6B

EP1SGX40GF1020C6B - 41k LE Stratix GX FPGA | Altera | 1020-FBGA

The Altera (Intel) EP1SGX40GF1020C6B is a high-density, high-performance Stratix GX Field-Programmable Gate Array (FPGA) housed in a 1020-ball FineLine BGA (FBGA) package measuring 33x33 mm. The device integrates approximately 41,250 logic elements (4x more LE density than the smallest Stratix GX family member), 3.4 Mbits of embedded TriMatrix memory, 14 embedded DSP blocks, and up to 624 user I/O pins for high-bandwidth system interconnect. The 'C6' speed grade and 'B' industrial temperature suffix make it suitable for mainstream commercial-to-industrial applications. The 'GF' package suffix identifies the Flip-Chip BGA with 1020 balls in a 33x33 mm body optimized for high-pin-count line cards and backplane interfaces. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around a configurable logic-block matrix connected by programmable interconnect. Unlike an ASIC, an FPGA's logic function is defined post-manufacture via a configuration bitstream loaded into on-chip SRAM, allowing hardware re-use across product revisions and faster time-to-market. The Stratix GX family extends the original Stratix architecture with embedded transceivers, dedicated DSP blocks, and large TriMatrix memory blocks, placing Stratix GX in the system hierarchy as: FPGA -> programmable logic -> digital ASIC alternative -> semiconductor IC. Key features of the EP1SGX40GF1020C6B include 20 dedicated high-speed transceivers capable of up to 3.125 Gbps operation for serial RapidIO, PCI Express, Gigabit Ethernet, and custom serial protocols; an on-chip phase-locked loop (PLL) array for multi-clock-domain synthesis; and up to 624 user I/O organized into multiple I/O banks supporting LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards at voltages from 1.5 V to 3.3 V. The TriMatrix memory subsystem provides true dual-port RAM, simple dual-port RAM, and FIFO primitives that accelerate packet buffering and DSP working-storage operations. 14 DSP blocks each contain four 18x18 multipliers with optional 36-bit accumulation, delivering roughly 14 GMACS performance at the -6 speed grade. The architecture uses a 1.5 V core supply with 0.13-micron CMOS process technology and SRAM-based configuration, allowing unlimited reconfiguration in-system via JTAG, Passive Serial, Passive Parallel Synchronous, or Passive Parallel Asynchronous modes. The Altera Quartus II design suite supports the device with IP cores for PCI Express, RapidIO, DDR/DDR2 memory controllers, and high-speed serial interfaces, enabling system designers to integrate multiple discrete components into a single programmable device. The 1020-FBGA package requires a multi-layer PCB with controlled-impedance routing and ball-grid-array fanout expertise, and the 33x33 mm footprint demands thermal vias and a thermal pad for sustained operation. Typical applications include high-speed serial backplane interfaces (RapidIO, PCI Express switching fabrics), 10-Gigabit Ethernet line cards, telecom base-station channel cards, military and aerospace signal processing, and high-performance ASIC prototyping. The combination of 624 user I/O and 20 transceivers makes the EP1SGX40GF1020C6B particularly attractive for I/O-rich line cards where the host ASIC is not yet ready in silicon. Industrial-grade temperature range supports outdoor and uncontrolled-environment deployments. Designers should plan for the configuration scheme (EPC16 or EPC64 configuration memory, JTAG boundary-scan for production test), power-supply sequencing for the 1.5 V core and 3.3 V/2.5 V auxiliary rails, and SignalTap II embedded logic analyzer for post-silicon debug. Compared with smaller Stratix GX devices, the EP1SGX40 gives roughly 4x more logic and 14x more DSP throughput, justifying the 1020-FBGA footprint in line-card designs that need both density and bandwidth. Verify PCB footprint against the Altera package symbol library before board fab. This page synthesizes distributor pricing, drop-in same-family alternatives from the Site MPN list, and practical design notes that go beyond what a single datasheet chapter can provide.

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EP1SGX40GF1020C6BN - 41,250 Cells Stratix GX FPGA | Intel
EP1SGX40GF1020C6BN

EP1SGX40GF1020C6BN - 41,250 Cells Stratix GX FPGA | Intel

The Intel (formerly Altera) EP1SGX40GF1020C6BN is a high-density Stratix GX family Field Programmable Gate Array (FPGA) with 41,250 logic elements/cells, 3,423,744 bits of embedded memory, and integrated high-speed transceivers in a 1020-pin FineLine BGA (FBGA) package. It is built on a 130 nm process technology, operates from a 1.5 V core supply, and is rated for 624 user I/O pins with a clocking fabric capable of 5,000 MHz performance in fast PLLs. The 'GX' suffix indicates embedded 3.125 Gbps multi-gigabit transceivers, historically used for serial RapidIO, PCI Express, XAUI, and custom high-speed serial links. What is an FPGA? An FPGA (Field Programmable Gate Array) is a semiconductor device whose digital logic function is defined after manufacturing by loading a user-supplied configuration bitstream. FPGAs sit in the programmable-logic branch of digital ICs alongside CPLDs, structured ASICs, and standard-cell ASICs, and trade raw clock frequency and energy efficiency for design flexibility, parallel hardware fabric, and per-chip reconfigurability. Within Intel/Altera's hierarchy, the Stratix GX family targets high-end applications that combine parallel DSP fabric with embedded high-speed serial transceivers. Key differentiating features include 4,125 LABs/CLBs (Logic Array Blocks / Configurable Logic Blocks) versus the older 1,840 of the original Stratix family, 4 embedded PLLs, and dedicated hardware multipliers for DSP. The 1020-pin FBGA package uses a 33 x 33 mm substrate with 1.0 mm pitch, requiring a multi-layer PCB with controlled-impedance routing. Operating temperature is commercial 0C to +85C. Technical depth: the Stratix GX architecture combines a TriMatrix memory structure (MRAM blocks of various widths), an embedded row/column interconnect, and per-quadrant high-speed transceivers paired with Clock Data Recovery (CDR) logic. The 'C6' speed grade indicates a -6 commercial speed bin, and the 'N' suffix denotes a Pb-free / lead-free terminal finish. Power architecture requires multiple supply rails (VCCINT core, VCCIO bank I/O, VCCA_PLL analog, VCC_GXB transceiver) with sequencing recommendations documented in the Altera Stratix GX Handbook. Typical applications include high-speed serial interface bridging (XAUI, PCI Express endpoint, Serial RapidIO), telecom line cards with SERDES aggregation, prototype ASIC replacement, broadcast video processing, and industrial test equipment with parallel ADC/DAC data capture. Designers choose the EP1SGX40GF1020C6BN when design entry needs the embedded 3.125 Gbps transceivers plus ample logic for protocol state machines. Design consideration: verify DDR2/QDRII SRAM interface timing against the chosen speed grade, plan decoupling on every VCCIO bank, and confirm the multi-gigabit transceiver reference clock architecture before PCB layout because the 1020-BGA package cannot be reworked by hand. This page synthesizes Intel distributor pricing, drop-in same-package alternatives from the Stratix GX family, and practical PCB design notes not found in the standalone manufacturer datasheet.

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EP1SGX40GF1020C6ES - Stratix GX FPGA, 41,250 Cells, 1020-BGA | Intel
EP1SGX40GF1020C6ES

EP1SGX40GF1020C6ES - Stratix GX FPGA, 41,250 Cells, 1020-BGA | Intel

The Intel EP1SGX40GF1020C6ES is a high-density Stratix GX family Field Programmable Gate Array (FPGA) housed in a 1020-ball FC-FBGA package measuring 33 x 33 mm with 1.0 mm ball pitch. The device integrates 41,250 logic cells, 4,125 Configurable Logic Blocks (CLBs), and supports 624 user I/Os, with up to 3,423,744 bits of embedded memory. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs) connected by programmable interconnect, surrounded by programmable I/O cells. FPGAs sit in the broader taxonomy: programmable logic device -> logic IC -> integrated circuit -> semiconductor. Modern high-density FPGAs are used to implement custom digital logic, DSP pipelines, high-speed serial interfaces, and embedded processor subsystems, offering ASIC-like performance with field-reprogrammable flexibility. The EP1SGX40GF1020C6ES features high-speed serial transceiver channels with embedded clock data recovery (CDR), supporting full-duplex operation from 500 Mbps to 3.1875 Gbps per channel. The device is manufactured on a 130 nm CMOS process and operates from a core supply of 1.5 V. With 20 transceiver channels the part delivers up to 127.5 Gbps of aggregate full-duplex serial bandwidth, alongside dedicated on-die memory and DSP blocks that accelerate parallel processing workloads. Architecturally, the Stratix GX family combines TriMatrix embedded memory (MRAM blocks), DSP blocks for high-throughput arithmetic, and the previously mentioned transceiver channels optimized for protocols such as Gigabit Ethernet, Serial RapidIO, PCI Express, and customised serial standards. The 1020-ball BGA exposes hundreds of general-purpose I/Os plus high-speed differential pairs. Typical applications include high-throughput communication infrastructure, baseband signal processing, network switches and routers, test and measurement equipment, and high-end video/broadcast gear. The wide transceiver data-rate range makes the device suitable for protocols spanning 1G Ethernet through 3G serial interfaces. When designing with this part, allocate dedicated PCB layers for the 1.0 mm-pitch BGA fanout, follow Intel Stratix GX power-sequencing guidelines, and provide multiple decoupling rails. Signal-integrity work on the transceiver channels is essential - matched-impedance routing and length tuning on differential pairs directly determine BER at 3.1875 Gbps. This page synthesizes distributor pricing, drop-in alternatives from the same Stratix GX family, and practical design notes not found in the manufacturer datasheet, providing decision-grade context for procurement and hardware engineers.

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EP1SGX40GF1020C6L - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Intel
EP1SGX40GF1020C6L

EP1SGX40GF1020C6L - Stratix GX FPGA, 41,250 LEs, 1020-BGA | Intel

The Intel (formerly Altera) EP1SGX40GF1020C6L is a member of the Stratix GX family of high-performance, transceiver-equipped FPGAs, integrating 41,250 logic elements, 3,423,744 bits of embedded memory, and 624 user I/O pins in a 1020-ball flip-chip BGA package. The device supports up to twenty multi-gigabit transceivers at data rates up to 6.375 Gbps, making it well-suited for high-speed serial I/O, backplane, and chip-to-chip link applications. It is fabricated in a 1.5 V core, 130 nm CMOS process with on-chip PLLs, RAM blocks, and dedicated DSP blocks. What is a Stratix GX FPGA? A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs) connected by programmable interconnect. The Stratix GX family extends the base FPGA architecture with embedded multi-gigabit transceivers (MGTs) and dedicated serializer/deserializer (SERDES) hardware. In a system hierarchy, an FPGA sits between fixed-function ASICs (higher performance, no flexibility) and microcontrollers (lower performance, software-driven); FPGAs offer hardware parallelism with full design re-programmability. Key features include 3,423,744 bits of true dual-port RAM, embedded 18-bit x 18-bit multipliers for DSP, up to 8 PLLs per device, and support for external memory interfaces including DDR, DDR2, and QDR SRAM. The high-speed transceivers implement standards such as PCI Express, Serial RapidIO, XAUI, and Gigabit Ethernet without external PHY silicon, simplifying board layout and BOM. Architecturally, the Stratix GX uses a DirectDrive multiplexed interconnect and MultiTrack routing that minimizes routing congestion, combined with TriMatrix memory structures (MLAB, M512, M4K, M-RAM) that allow flexible buffer sizing. The embedded transceivers include built-in channel-bonding, clock-data recovery, and 8B/10B encoding. Typical applications include high-end telecom line cards, military signal-processing platforms, medical imaging capture boards, ASIC prototyping, and test-and-measurement instrumentation. The wide protocol support and high logic density also lend the device to data-acquisition systems and high-speed video processing. When designing with this device, ensure the PCB accommodates a 33 mm x 33 mm, 1020-ball flip-chip BGA with proper decoupling, matched-length transceiver traces, and a robust power distribution network. The device is obsolete or NRND per the latest lifecycle data - confirm long-term availability before new production commits. This page synthesizes distributor pricing from DigiKey and Arrow, the verified Stratix GX datasheet, drop-in compatible package variants from the same Altera product line, and practical design notes not found in the manufacturer datasheet alone.

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EP1SGX40GF1020C6N - Stratix GX FPGA, 40K LE, 1020-FBGA | Altera
EP1SGX40GF1020C6N

EP1SGX40GF1020C6N - Stratix GX FPGA, 40K LE, 1020-FBGA | Altera

The Altera (Intel PSG) EP1SGX40GF1020C6N is a high-density Stratix GX FPGA combining 41,250 logic elements with embedded transceivers in a 1020-ball FineLine BGA package. It delivers 624 user I/O pins, 4,125 LABs/CLBs, and integrated high-speed serial transceivers optimized for serial connectivity, making it suitable for demanding communication and data-processing applications. The device operates from a 1.5 V core supply across a 0 C to 85 C commercial temperature range. A Field-Programmable Gate Array (FPGA) is a reconfigurable integrated circuit whose logic blocks, interconnect, and I/O resources are defined by user-supplied configuration data. Stratix GX devices specifically belong to the FPGA -> programmable logic -> semiconductor taxonomy and are purpose-built for high-speed serial I/O, embedding multi-gigabit transceivers (MGTs) alongside the programmable fabric. The "GX" suffix denotes the transceiver-rich variant, distinguishing it from the general-purpose Stratix family. Key features of the EP1SGX40GF1020C6N include 41,250 logic elements, 624 user I/O, an FBGA-1020 package at 33x33 mm with 1 mm pitch, integrated high-speed serial transceivers, and embedded memory blocks supporting complex DSP pipelines. The 1020-ball FineLine BGA enables dense I/O count for system-level integration while the 1 mm pitch supports standard PCB manufacturing processes. Technically, the Stratix GX architecture uses a bipolar-CMOS logic family with dedicated multiplier blocks, TriMatrix memory, and a structured ASIC-like routing fabric. The integrated transceivers support standard serial protocols at multi-gigabit rates, and the device supports in-system programming via Altera/Intel Quartets configuration tools. Typical applications include high-speed serial interface bridging, telecommunications backplanes, radar and signal processing front ends, high-performance computing acceleration, and broadcast video infrastructure. The combination of dense logic and high-speed I/O makes it well suited for protocols such as PCIe, Gigabit Ethernet, Serial RapidIO, and custom proprietary links. When designing with this device, ensure the PCB can handle the 33x33 mm BGA land pattern and that the multi-rail power network (1.5 V core plus transceiver and I/O supplies) is decoupled per the Stratix GX handbook. Plan thermal dissipation via copper pours and, if necessary, airflow, especially when transceivers run at full data rate. This page synthesizes distributor pricing, verified Stratix GX family drop-in alternatives, and PCB design notes for the EP1SGX40GF1020C6N that go beyond the manufacturer datasheet.

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EP1SGX40GF1020C6NG - Stratix GX 41,250 LEs FPGA, FBGA-1020 | Intel
EP1SGX40GF1020C6NG

EP1SGX40GF1020C6NG - Stratix GX 41,250 LEs FPGA, FBGA-1020 | Intel

The Intel (formerly Altera) EP1SGX40GF1020C6NG is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) integrating 41,250 logic elements, 3,423,744 bits of embedded memory, and 20 embedded DSP blocks inside a 1020-ball FineLine BGA (FBGA) package measuring 33 x 33 mm with 1 mm ball pitch. It is fabricated on a 130 nm CMOS process and supports a core supply of 1.5 V with multi-volt I/O banks. The 'GX' suffix denotes embedded high-speed serial transceivers optimized for serial connectivity, while the 'G' speed grade and C6 device grade place it in the commercial 0 C to 85 C operating range. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable routing, dedicated DSP slices, block RAM, and high-speed I/O. FPGAs sit at the top of the programmable logic hierarchy (PLD -> CPLD -> FPGA) and offer the highest logic density and the highest I/O count of any programmable device. They are used wherever an application requires hardware-level parallelism, deterministic latency, or a logic density that exceeds the capability of microcontrollers and DSPs. Key features of the EP1SGX40GF1020C6NG include 624 maximum user I/O pins, embedded high-speed transceivers for multi-gigabit serial links, dedicated multiplier blocks supporting DSP workloads, and TriMatrix embedded memory with true dual-port RAM configurations. The device also exposes four phase-locked loops (PLLs) for clock synthesis and supports in-system programmability via the standard Altera (now Intel) Quartus II design flow. The architecture is built around the Stratix GX Logic Array Block (LAB), composed of 10 Logic Elements (LEs) per LAB, with each LE containing a 4-input look-up table (LUT), a programmable register, and a carry chain. The embedded transceivers support industry-standard serial protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and XAUI. This combination of dense logic, on-chip memory, and hardened serial I/O enables the device to act as a complete system-on-chip (SoC) for protocol bridging, line-card aggregation, and baseband processing. Typical applications include high-speed serial interface bridging, telecom line cards, test and measurement equipment, broadcast video processing, and defense/aerospace signal processing. Designers also use the Stratix GX family to prototype ASICs and to deploy low-volume custom silicon with a faster time-to-market than mask-programmed alternatives. When designing with this device, ensure the Quartus II fitter report confirms timing closure at the target clock frequency, and validate signal-integrity on the 1 mm pitch FBGA escape routing with a controlled-impedance PCB stack-up. Pair the device with the dedicated Intel configuration memory (EPCS or EPCQ) for in-field updates. This page synthesizes verified distributor pricing, drop-in alternatives drawn from the Stratix GX family, and practical design notes not aggregated on any single manufacturer page, giving procurement and engineering teams a single decision point.

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EP1SGX40GF1020C7 - Stratix GX FPGA, 41.25K LE, 624 I/O, FBGA-1020 | Altera
EP1SGX40GF1020C7

EP1SGX40GF1020C7 - Stratix GX FPGA, 41.25K LE, 624 I/O, FBGA-1020 | Altera

The Altera (now Intel) EP1SGX40GF1020C7 is a high-density Stratix® GX Field-Programmable Gate Array (FPGA) built on a 130 nm CMOS process, integrating 41,250 logic elements into a 1020-ball Fine-pitch Ball-Grid Array (FBGA-1020, 33 x 33 mm, 1.0 mm pitch) with 624 user I/O and 1.5 V core supply. It targets high-performance, serial-interface–rich designs where embedded transceivers, large on-chip memory and high logic density are mandatory in a single device. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs/LABs), programmable routing, and dedicated hard IP blocks such as transceivers, PLLs, block RAM and DSP multipliers. FPGAs occupy the programmable-logic tier of the broader integrated-circuit hierarchy: ASIC -> FPGA -> CPLD -> programmable logic device -> semiconductor. Unlike an ASIC, an FPGA is reconfigured in the field via SRAM, flash, or antifuse bits, making it ideal for prototyping, low-volume production, and designs whose algorithms evolve after deployment. Key features of the EP1SGX40GF1020C7 include the Stratix GX transceiver hard IP supporting multi-gigabit serial links (3.125 Gbps-class SERDES), up to 3.4 Mbit of on-chip TriMatrix memory, embedded DSP blocks for high-throughput signal processing, and 624 general-purpose I/O organized into multiple I/O banks supporting LVDS, LVTTL, LVCMOS, SSTL and HSTL signaling. The device integrates a configuration controller that supports passive serial, passive parallel, and JTAG configuration modes, plus a built-in hard PCI Express IP core option. Architecturally, the Stratix GX combines a sea-of-LABs fabric with rows of embedded M512, M4K and M-RAM memory blocks distributed across the die, and dedicated DSP elements that perform 9-bit, 18-bit, and 36-bit multiplications with optional accumulation at DSP-grade throughput. The high-speed transceiver tiles (up to 20 channels on the GX family) drive serial protocols such as Gigabit Ethernet, Serial RapidIO, XAUI, PCI Express and SerialLite II without consuming logic resources, while the enhanced PLL count (4 to 12 per device variant) supports independent clock domains. Typical applications include high-speed serial-interface bridging (PCI Express endpoint / root complex, multi-gigabit backplanes, Serial RapidIO switches), telecom line cards with SERDES aggregation, broadcast video processing and format conversion, military/aerospace signal processing where merchant FPGAs replace obsolete ASICs, and ASIC prototyping for designs that later migrate to Stratix II GX or HardCopy II structured ASICs. Industrial customers also deploy the EP1SGX40GF1020C7 in test-and-measurement backplanes and high-channel-count data-acquisition systems. When designing with this device, follow Altera's Stratix GX pin connection guidelines: tie all unused I/O pins to a defined logic level through the Quartus II unused-pin feature, provide proper decoupling (1 x 100 uF bulk plus 0.1 uF and 0.01 uF ceramics per power pin), and respect the 1.425 V–1.575 V core supply tolerance. Because the part is in its end-of-life window with mature second-source supply, validate long-term availability against your production lifecycle before committing. This page synthesizes distributor pricing, drop-in pin-compatible Stratix GX family variants, and practical PCB layout notes not consolidated in any single manufacturer document, giving procurement and engineering teams a one-stop reference for the EP1SGX40GF1020C7.

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EP1SGX40GF1020C7ES - Stratix GX FPGA, 41.25K LE, FBGA-1020 | Altera
EP1SGX40GF1020C7ES

EP1SGX40GF1020C7ES - Stratix GX FPGA, 41.25K LE, FBGA-1020 | Altera

The Altera EP1SGX40GF1020C7ES is a high-density Stratix GX family Field Programmable Gate Array (FPGA) fabricated on a 130 nm CMOS process, offering 41,250 logic cells (LES), 3,744 Kbit embedded memory, and 4 high-speed serial transceiver channels in a 1020-ball FineLine BGA package (33 mm × 33 mm body, 1.00 mm ball pitch). It is supplied from a 1.5 V core and supports the Stratix GX transceiver fabric with CDR-based operation from 500 Mbps to 3.1875 Gbps per channel, providing up to 12.75 Gbps of full-duplex serial bandwidth. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit whose digital logic fabric, interconnect, and I/O behavior are defined by user-supplied configuration data. FPGAs sit at the top of the programmable logic hierarchy, above CPLDs, and below custom ASICs, and are widely used to implement high-speed digital signal processing, custom bus interfaces, and prototype ASICs. The Stratix GX family specifically targets high-speed serial I/O and embedded transceiver applications, making it a member of the broader power management-adjacent mixed-signal and high-speed digital ecosystem. Key features of the EP1SGX40GF1020C7ES include 4 embedded transceiver channels with embedded Clock Data Recovery (CDR), up to 624 user I/O pins, dedicated DSP blocks, and on-chip RAM blocks distributed across the fabric. The 1020-ball FBGA package integrates the entire silicon die plus transceiver I/O, supporting multi-gigabit serial protocols such as PCI Express, Gigabit Ethernet, Serial RapidIO, and SONET/SDH. The device is configured via an industry-standard passive serial, passive parallel, JTAG, or Altera-enhanced configuration scheme. Architecturally, the Stratix GX uses Altera's logic element (LE) structure combined with TriMatrix embedded memory, DSP blocks, and a programmable I/O ring. The transceiver blocks feature dedicated physical coding sublayer (PCS) and physical medium attachment (PMA) circuitry that performs 8b/10b encoding, rate matching, and clock recovery directly in silicon, eliminating the need for external serializer/deserializer (SerDes) devices. Typical applications include multi-gigabit serial backplane interfaces, SONET/SDH framer equipment, PCI Express endpoint and root-complex designs, custom protocol bridging ASIC prototyping, and high-speed data acquisition systems. The combination of high logic density, embedded memory, and multi-gigabit transceivers makes the EP1SGX40GF1020C7ES particularly well suited to communications infrastructure. When designing with this FPGA, designers must pay close attention to PCB layout for the BGA footprint, including matched-length differential pair routing for the transceiver channels and a continuous ground-reference plane beneath the package. The 1.00 mm ball pitch simplifies PCB routing on standard 4-layer or 6-layer stack-ups but still requires microvia or via-in-pad technology for high-density fan-out. This page synthesizes distributor pricing, drop-in alternatives drawn from the same Stratix GX family, and practical design notes not aggregated in a single place on the manufacturer's datasheet.

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EP1SGX40GF1020C7L - 41,250 LE Stratix GX FPGA, 1020-BGA | Intel / Altera
EP1SGX40GF1020C7L

EP1SGX40GF1020C7L - 41,250 LE Stratix GX FPGA, 1020-BGA | Intel / Altera

The Intel / Altera EP1SGX40GF1020C7L is a high-density Stratix GX Field-Programmable Gate Array (FPGA) from the first-generation Stratix GX family, integrating 41,250 logic elements and up to 3.1875 Gbps multi-gigabit transceivers in a 1020-ball FineLine BGA package. The device is fabricated on a 130 nm CMOS process and targets high-speed serial I/O, embedded processing, and DSP-intensive designs. An FPGA (Field-Programmable Gate Array) is a class of programmable logic device whose architecture consists of configurable logic blocks (CLBs / LABs), programmable interconnect, dedicated block RAM, DSP blocks, and (in Stratix GX) hardened multi-gigabit transceivers. FPGAs belong to the broader hierarchy of programmable logic devices (PLDs) within the semiconductor / integrated circuit taxonomy, sitting alongside ASICs, CPLDs, and microcontrollers as reconfigurable compute platforms. The "Stratix GX" suffix specifically denotes Altera's first-generation transceive-optimized family, designed to compete with Xilinx Virtex-II Pro for high-bandwidth serial-link applications. Key features of the EP1SGX40GF1020C7L include 4,125 Logic Array Blocks (LABs), 624 user I/O pins, embedded multiplier blocks for DSP, M512/M4K/M-RAM block RAM tiers, and Stratix GX transceivers supporting data rates from 500 Mbps to 3.1875 Gbps with input reference frequencies from 25 MHz to 650 MHz. The transceiver PMA supports multiplication factors of 2, 4, 5, 8, 10, 16, or 20 and PPM detector bandwidths of 125, 250, 500, or 1000 ppm for clock-data recovery. From an architectural standpoint, the EP1SGX40GF1020C7L combines a TriMatrix memory architecture (M512, M4K, M-RAM blocks), dedicated 18x18 multipliers, four phase-locked loops (PLLs), and high-speed differential I/O capable of LVDS, LVPECL, and HyperTransport signaling. The device operates from a 1.5 V core supply and uses the legacy Altera Quartus II design flow, including SOPC Builder for embedded processor subsystems. Typical applications include high-speed serial interface bridging (XAUI, Serial RapidIO, PCI Express endpoint), telecom line cards, broadcast video processing, military signal processing, and protocol bridging between backplane fabrics. The "L" speed grade corresponds to a slower -7 commercial grade bin suitable for less thermally constrained designs. When designing with this part, plan for 1020-ball FC-FBGA PCB layout with controlled-impedance differential pairs, multi-rail power sequencing (1.5 V core, 2.5 V/3.3 V I/O, PLL analog supply), and thermal management up to the -7 commercial junction limit. Designers should also verify EOL status via the Altera / Intel product change notifications before committing to new designs. This page synthesizes drop-in alternative analysis from the Stratix GX family, current distributor pricing, and practical design considerations not found in the standalone datasheet PDF.

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EP1SGX40GF1020C7N - Stratix GX FPGA, 41,250 LEs, 624 I/O | Altera
EP1SGX40GF1020C7N

EP1SGX40GF1020C7N - Stratix GX FPGA, 41,250 LEs, 624 I/O | Altera

The Altera (Intel) EP1SGX40GF1020C7N is a high-density Stratix GX Field-Programmable Gate Array (FPGA) from Altera's first-generation Stratix GX family, integrating 41,250 Logic Elements (LEs), 3,423,744 RAM bits, and 624 user I/O pins in a 1020-ball FineLine BGA (FBGA) package measuring 33 x 33 mm with 1.0 mm pitch. It operates from a 1.5 V core supply (1.425 V - 1.575 V tolerance) across the commercial 0 C to 85 C temperature range and is built on a 0.13 um CMOS process optimized for high-speed serial connectivity and embedded DSP operations. An FPGA (Field-Programmable Gate Array) is a reconfigurable digital integrated circuit containing an array of configurable logic blocks (CLBs), programmable interconnects, I/O cells, and dedicated hardware resources such as block RAM, multipliers, and high-speed transceivers. Stratix GX is positioned within Altera's FPGA hierarchy as a high-performance, transceiver-rich sub-family optimized for serial connectivity, parallel to the broader Stratix family and ultimately within the Programmable Logic / ASIC-replacement market segment. The 'GX' suffix indicates integrated high-speed serializer/deserializer (SERDES) channels, distinguishing it from the transceiver-less Stratix base family. Key features include 4,125 Logic Array Blocks (LABs) of 10 LEs each, embedded TriMatrix memory with 3,423,744 total RAM bits, dedicated DSP blocks for high-throughput multiplication, and up to 45 high-speed transceivers supporting gigabit serial protocols. The 1020-FBGA package enables high I/O density with 624 usable I/O pins, suitable for system-level integration where pin count and signal integrity are critical. It supports configuration via active serial, passive serial, or JTAG modes. Architecturally, the device combines Look-Up Table (LUT)-based logic, embedded memory, and SERDES in a homogeneous fabric. The 1.5 V core voltage minimizes dynamic power compared to legacy 2.5 V/3.3 V FPGAs, while the Stratix GX architecture introduced embedded hard IP for protocol bridging, reducing soft-logic overhead. The 1020-ball package uses flip-chip BGA technology for low inductance power distribution and high-speed signal integrity. Typical applications include high-speed serial interface bridging (XAUI, PCIe, Serial RapidIO), telecom backplane aggregation, DSP co-processing, and ASIC prototyping. Its 624 user I/Os and integrated transceivers make it well-suited for line cards and protocol converter designs. When designing with this device, plan PCB layout for the 33x33 mm FBGA land pattern with matched-length high-speed serial traces, and verify transceiver reference clock jitter per the Stratix GX handbook. Use Altera Quartus II design software for synthesis, place-and-route, and timing closure. This page synthesizes distributor pricing, FBGA-package pinout data, and engineering alternatives not consolidated in the original Altera datasheet, giving procurement and hardware teams a single authoritative reference for the EP1SGX40GF1020C7N.

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EP1SGX40GF1020C8 - Stratix GX 40G FPGA 1020-BGA | Intel
EP1SGX40GF1020C8

EP1SGX40GF1020C8 - Stratix GX 40G FPGA 1020-BGA | Intel

The Intel (Altera) EP1SGX40GF1020C8 is a high-density Stratix GX family Field-Programmable Gate Array (FPGA) IC built on a 0.13 µm SRAM-based process, delivering 41,250 logic elements and 3,423,744 RAM bits in a 1020-ball Flip-Chip BGA package. Per the Altera Stratix GX Device Handbook, this device integrates up to 20 full-duplex 3.1875 Gbps embedded transceivers and supports source-synchronous and clock-data-recovery I/O standards, making it a turnkey platform for multi-gigabit serial-link designs. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnect, and on-chip memory that can be re-programmed post-manufacture. FPGAs sit within the broader category of programmable logic devices (PLDs) and are used to implement arbitrary digital logic, parallel processing pipelines, and high-speed serial interfaces without the NRE cost of ASICs. The Stratix GX family in particular belongs to the high-speed transceiver-equipped sub-category of FPGAs and occupies the top of the programmable logic taxonomy alongside ASIC and ASSP solutions. Key features of the EP1SGX40GF1020C8 include 624 user I/O pins, dedicated DSP blocks for fixed- and floating-point math, embedded high-speed transceivers supporting CPRI, OBSAI, PCI Express, XAUI, SerialLite II, and SD/HD-SDI protocols, and a robust PLL network that supports up to 312.5 MHz external memory interfaces. The 1020-BGA FC package exposes a large I/O count while providing controlled-impedance flip-chip routing for the transceiver channels. Architecturally the device combines a tri-matrix memory hierarchy (MLABs, M512, and M4K blocks) with row/column interconnect tuned for predictable timing closure at 100+ MHz system clock rates. The 8 in the speed grade denotes the slowest speed bin in the family, trading Fmax margin for production yield—often preferred for prototype and validation builds where timing slack is acceptable. Typical applications include 10 Gbps multi-lane backplane designs, telecom base-station baseband processing, broadcast video routers, defense radar signal processing, and high-performance computing fabrics. The wide transceiver bandwidth also makes it a natural choice for proprietary chip-to-chip links in proprietary ASIC prototyping or FPGA co-processing accelerators. Designers should note that 1020-FBGA layout demands impedance-controlled stackup and matched-length routing for transceiver channels; reference designs in AN-432 and the Stratix GX Transceiver User Guide are recommended reading before PCB layout. Power estimation requires SmartPower modeling because of the highly dynamic transceiver duty cycle. This page consolidates distributor stock, drop-in alternative listings, and practical Stratix GX design notes not all gathered in one place on the manufacturer datasheet.

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