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EP4SGX530KH40I4 - 531K LE Stratix IV GX FPGA, 744 I/O, FCBGA-1517 | Altera
EP4SGX530KH40I4

EP4SGX530KH40I4 - 531K LE Stratix IV GX FPGA, 744 I/O, FCBGA-1517 | Altera

The Altera (Intel) EP4SGX530KH40I4 is a high-density Stratix IV GX family FPGA with 531,200 logic elements, 28,033,024 bits of embedded RAM, 21,248 LABs/CLBs, and 744 programmable I/O pins in a 1517-ball flip-chip BGA (FCBGA / HBGA) package. It is fabricated on a 40 nm process and targets high-performance, transceiver-rich designs in communications, signal processing, and ASIC prototyping. An FPGA (Field Programmable Gate Array) is a reprogrammable semiconductor device whose logic fabric, routing, and I/O can be configured in-system via an SRAM-based configuration bitstream. FPGAs sit within the programmable logic sub-hierarchy of the broader digital semiconductor taxonomy: FPGA -> programmable logic -> logic IC -> integrated circuit. The Stratix IV GX family specifically integrates multi-gigabit transceivers with a programmable logic fabric, making it suitable for high-speed serial interfaces such as PCIe Gen1/Gen2, Serial RapidIO, XAUI, CEI-6G, and CPRI/OBSAI. Key features of the EP4SGX530KH40I4 include a 0.9 V core supply, integrated transceivers capable of up to 8.5 Gbps data rates, dedicated hard memory controllers, and DSP blocks supporting high-throughput fixed- and floating-point arithmetic. The device supports both internal and external memory interfaces including DDR3, DDR2, RLDRAM II, and QDR II+. Security features include bitstream encryption with AES and 256-bit keys, JTAG-based configuration, and design security via tamper detection. The architectural style combines a logic array block (LAB) fabric with embedded transceivers, MLABs, M9K/M144K block RAM, DSP slices, and a global clock network. The integrated hard PCIe Gen2 IP cores simplify endpoint and root complex designs, while the FPGA fabric can host custom soft cores such as Nios II processors for control plane tasks. Typical applications include high-end wireless baseband processing, defense radar and electronic-warfare front ends, high-frequency trading platforms, 100G/40G network line cards, ASIC prototyping, and broadcast video infrastructure. The combination of high logic density and 8.5 Gbps transceivers makes it well suited to wireline backhaul, optical transport, and test & measurement systems. When designing with this FPGA, ensure a multi-rail power architecture (typically 0.9 V core, 2.5 V/3.3 V I/O and aux) using a power sequencer with monotonic ramp and proper monotonic power-good handshake. Place transceiver power filtering ferrite beads and decoupling capacitors exactly per the Altera pin connection guidelines to meet jitter and EMI compliance.

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EP4SGX530KH40I4N - Stratix IV GX FPGA 531K LE 40nm FC-HFBGA-1517
EP4SGX530KH40I4N

EP4SGX530KH40I4N - Stratix IV GX FPGA 531K LE 40nm FC-HFBGA-1517

The Intel (formerly Altera) EP4SGX530KH40I4N is a high-end Stratix IV GX field-programmable gate array (FPGA) delivering 531,200 logic elements, 21,248 Adaptive Logic Modules (ALMs), 744 maximum user I/O pins, and 28,033,024 bits of embedded memory in a 1517-ball flip-chip fine-pitch BGA (FC-HFBGA) package. It is fabricated on a TSMC 40 nm process and supports up to 600 MHz DSP block operation with 9x9, 12x12, 18x18, and 36x36 full-precision multiplier modes. The device integrates up to 24 transceivers capable of multi-gigabit serial I/O, making it a flagship platform for high-bandwidth system designs that demand both logic density and serial connectivity. A Stratix IV GX FPGA is a high-density programmable logic device that combines general-purpose fabric, embedded memory blocks (M9K/M144K), DSP blocks, PLLs, and high-speed serial transceivers on a single die. Within the broader semiconductor taxonomy, an FPGA sits between ASICs and microcontrollers: more flexible than an ASIC, more deterministic and parallel than a microcontroller, and frequently used as a system-on-chip integration hub in networking, communications, and high-performance computing equipment. Key features include 28 Mb of embedded memory configurable as true dual-port RAM or FIFO buffers, 24 full-dupest high-speed transceivers, hard PCI Express Gen1/Gen2 endpoints, and support for external memory interfaces such as DDR3, DDR2, QDRII+, and RLDRAM2. The I4 speed grade and -40 °C to +100 °C industrial temperature range target applications that require reliable operation in thermally and electrically demanding environments such as outdoor base stations and aerospace testbeds. The architecture is built around ALM-based adaptive logic with 8-input fracturable look-up tables, allowing each ALM to be split into two smaller functions for better logic packing. Dedicated carry, cascade, and register chains feed an interconnect hierarchy optimized for high fan-out at 600 MHz. Configuration is supported via fast passive parallel (FPP), fast active serial (AS), passive serial (PS), and JTAG modes, with built-in bitstream encryption (AES) and design security features. Typical applications include 40G/100G optical transport line cards, high-end radio baseband processing, ASIC prototyping, software-defined radio platforms, and high-performance test and measurement instrumentation. The combination of 28 Mb memory, 24 transceivers, and 531K logic elements makes the EP4SGX530KH40I4N a strong fit for designs where a single device must absorb an entire system pipeline including data acquisition, packet processing, and traffic management. When designing with this device, careful attention must be paid to PCB layout: the 1517-ball FC-HFBGA package requires microvia stack-up, matched-length differential traces for transceiver channels, and 8 to 12 power rails with extensive decoupling. Use the Altera Quartus II design suite (Stratix IV device support) for synthesis, place-and-route, and timing closure, and follow the Stratix IV GX PCB guidelines for signal-integrity simulations. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design considerations not found in the manufacturer datasheet, with all values verified against distributor inventory and the Stratix IV device family datasheet on 2026-09-10.

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EP4SGX530NF45C2 - Stratix IV GX FPGA 531K LE 1932-FCBGA | Intel
EP4SGX530NF45C2

EP4SGX530NF45C2 - Stratix IV GX FPGA 531K LE 1932-FCBGA | Intel

The Intel EP4SGX530NF45C2 is a high-density Stratix IV GX Field Programmable Gate Array (FPGA) with 531,200 logic elements, 21,248 adaptive logic modules (ALMs / LABs), and 920 user I/Os, fabricated on a 40nm process and supplied at 0.9V core. It is housed in a 1932-ball Fine-pitch Chip-Scale BGA (FCBGA) package in the 42.5 x 42.5 mm NF45 form factor with integrated transceivers up to 8.5 Gbps and embedded PCI Express hard IP blocks. An FPGA (Field Programmable Gate Array) is a semiconductor device built from an array of configurable logic blocks (CLBs), dedicated silicon such as block RAM, DSP slices, high-speed transceivers, and routing resources that the user programs after manufacture. FPGAs sit in the broader hierarchy of programmable logic devices (PLDs) within the digital integrated circuit family, alongside CPLDs, and are typically used to implement high-performance parallel datapaths, custom interface bridging, and ASIC prototyping that exceeds the capacity of general-purpose microcontrollers. Key features include 28,033,024 bits of embedded memory, 1,024 DSP blocks for fixed- and floating-point signal processing, 24 full-duplex multi-gigabit transceivers supporting data rates from 600 Mbps to 8.5 Gbps with built-in PCS/PMA, and 8 phase-locked loops (PLLs) for clock synthesis. The Stratix IV GX family adds 8 PCIe Gen1/Gen2 hard IP blocks, a hard memory controller subsystem that supports DDR3 up to 1066 Mbps, and dynamic reconfiguration capability through the Partial Reconfiguration (PR) controller. The architecture combines 40nm low-power SRAM-based logic with dedicated serial-deserializer (SerDes) and IP hard blocks to deliver deterministic latency on parallel and serial interfaces. With 8.5 Gbps transceivers and embedded PCIe Gen2 endpoints, the EP4SGX530NF45C2 reduces bill-of-materials cost in protocol bridging designs by removing external PHY chips. Quartus II software is the supported design flow, with proven place-and-route closure for high-utilization designs at sub-500 MHz core frequencies. Typical applications include high-speed serial protocol bridging (PCIe Gen2, Serial RapidIO, SATA, XAUI, GbE, SFI), ASIC and ASSP prototyping, high-performance digital signal processing for radar and baseband, broadcast video processing, and high-throughput data-acquisition front ends. The wide transceiver count and large logic capacity also make it suitable for test and measurement equipment where many parallel I/Os must be processed in real time. When designing with this part, treat the 1932-ball FCBGA as a 1.0 mm pitch BGA requiring multi-layer HDI PCB stack-up with microvia or via-in-pad technology for breakout, controlled-impedance routing for transceiver channels, and matched-length pair tuning for PCIe and SFI links. Decoupling follows the Stratix IV PowerTree design guidelines, with the on-chip voltage regulator (VCCH/VCCL/VCCD power planes) requiring bulk, mid-frequency, and high-frequency capacitors at every quadrant. This page synthesizes the Intel datasheet, real-time distributor pricing and stock data, drop-in same-footprint alternatives, and practical PCB design notes for the EP4SGX530NF45C2 in a single reference not found in the manufacturer datasheet alone.

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EP4SGX530NF45C2N - Stratix IV GX FPGA 531K LE FCBGA-1932 | Altera
EP4SGX530NF45C2N

EP4SGX530NF45C2N - Stratix IV GX FPGA 531K LE FCBGA-1932 | Altera

The Altera (Intel) EP4SGX530NF45C2N is a high-density Stratix IV GX Field-Programmable Gate Array (FPGA) delivering 531,200 logic elements, 28,033,024 bits of embedded memory, and integrated transceivers in a 1932-ball FineLine BGA (FCBGA) package. The device operates from a -2 speed grade with commercial temperature rating and targets high-bandwidth serial connectivity, digital signal processing, and high-performance compute offload. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around a matrix of configurable logic blocks (CLBs), programmable interconnects, and dedicated silicon IP such as transceivers, block RAM, and DSP blocks. FPGAs belong to the broader programmable logic family alongside CPLDs and sit within the integrated circuit hierarchy between standard logic and ASICs. Stratix IV GX devices specifically extend the family with embedded multi-gigabit transceivers (up to 8.5 Gbps) and hard PCIe Gen2 and Gen1 IP cores. Key features of the EP4SGX530NF45C2N include 21,248 Adaptive Logic Modules (ALMs) organized as LABs, 920 user I/O pins, 24 transceivers supporting up to 8.5 Gbps per channel, 1,600 18x18 multipliers for DSP, and hard memory controllers. The NF45 package designation denotes a 45 mm FineLine BGA with 1.0 mm pitch, providing ample signal integrity margin for high-speed serial links. Configuration is supported via active/passive serial, fast passive parallel, and JTAG modes, and the device supports partial reconfiguration for in-field updates. Architecture-wise, the Stratix IV family uses TSMC's 40 nm process and a 9-bit ALM that improves logic utilization by 25% versus prior 8-bit architectures. The transceiver block integrates adaptive equalization, PCIe hard IP, and clock data recovery, enabling protocols such as PCIe Gen2, XAUI, SATA, and Serial RapidIO without external PHY silicon. On-chip PLLs support fractional-N synthesis for jitter-critical applications. Typical applications include high-speed serial interface bridging, ASIC prototyping, high-performance DSP (radar, medical imaging, software defined radio), telecom baseband processing, and PCIe Gen2 endpoint designs. The wide transceiver bandwidth makes it especially attractive for designers consolidating multiple 1G/10G Ethernet, SATA, or proprietary links on a single device. A critical design consideration for this 1932-ball FCBGA is PCB fabrication: 1.0 mm pitch with a 45 mm body requires at minimum 4-2-4 stack-up HDI microvia technology, with controlled-impedance routing for the 8.5 Gbps transceiver lanes. Power sequencing for the 0.9 V core must follow the Altera POR sequence, and the device requires heatsinking for >15 W dissipation due to its high logic density. This page synthesizes distributor pricing, drop-in alternatives within the Stratix IV GX family, parametric comparison tables, and practical PCB layout notes not found in the standalone Altera datasheet.

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EP4SGX530NF45C2NES - Stratix IV GX FPGA, 531K LE, 1932-FBGA | Intel
EP4SGX530NF45C2NES

EP4SGX530NF45C2NES - Stratix IV GX FPGA, 531K LE, 1932-FBGA | Intel

The Intel EP4SGX530NF45C2NES is a high-density Stratix IV GX Field-Programmable Gate Array (FPGA) integrating 531,200 logic elements, 28,033,024 bits of embedded memory, and 21,248 adaptive logic modules (CLBs) into a 1932-ball FineLine BGA package measuring 45 mm x 45 mm. Built on a 40 nm process with embedded transceivers, it delivers up to 800 MHz core performance while consuming adaptive power under Quartus II design software control. The device supports 0.87 V to 0.93 V core VCC operation, complemented by dedicated transceiver, PLL, and I/O supply rails. An FPGA (Field-Programmable Gate Array) is a semiconductor device built around a matrix of configurable logic blocks (CLBs), embedded memory, DSP blocks, and programmable interconnect that can be re-programmed in-system to implement arbitrary digital logic. Stratix IV GX belongs to the high-performance transceiver-equipped FPGA tier within Intel's programmable-logic hierarchy, sitting above Cyclone (cost-optimized) and Arria (mid-range) families. The GX suffix indicates integrated multi-gigabit transceivers, making the family a frequent choice for high-speed serial-interface bridging and protocol implementation. Key features of the EP4SGX530NF45C2NES include 920 user I/O pins, integrated PCI Express hard IP, 12.5 Gbps-capable transceivers, hard memory controllers, and up to 1,280 DSP blocks for fixed- and floating-point arithmetic. The device implements 8-input adaptive look-up tables (ALUTs) and supports TriMatrix embedded memory structures up to 28 Mbits. Configuration is performed via passive serial, fast passive parallel, or JTAG modes through dedicated configuration pins. Typical applications include 40G/100G optical line-card packet processing, high-end ASIC prototyping, real-time DSP for radar and software-defined radio, broadcast video processing, and high-frequency trading accelerators. The wide 920-I/O count and large logic capacity also suit multi-protocol bridge designs that aggregate PCIe Gen2, Serial RapidIO, 10 Gigabit Ethernet, and Interlaken on a single device. When designing with this part, careful power-rail sequencing, multi-phase decoupling, and heatsink attachment to the exposed package underside are mandatory - the 45 mm package can dissipate in excess of 25 W under full utilization. Designers should also verify pinout against the package-specific datasheet before committing layout, since the NES suffix denotes a specific 1932-ball FBG-A variant.

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EP4SGX530NF45C3 - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel
EP4SGX530NF45C3

EP4SGX530NF45C3 - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel

The Intel (formerly Altera) EP4SGX530NF45C3 is a high-density Stratix IV GX Field Programmable Gate Array (FPGA) delivering 531,200 logic elements, 27,440 Kbits of embedded memory, and integrated transceivers in a 1932-ball FC-FBGA package. It operates on a 0.9 V core supply, manufactured on TSMC's 40 nm process, with 920 user I/O and a maximum internal frequency of 800 MHz. The device targets high-bandwidth wireline, wireless infrastructure, and high-performance digital signal processing. What is an FPGA? A Field Programmable Gate Array is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard IP such as transceivers, memory controllers, and DSP blocks. FPGAs sit in the hierarchy between general-purpose processors (CPUs/MCUs) and ASICs, offering hardware-level parallelism, reconfigurability, and time-to-market advantages. Stratix IV GX specifically belongs to Intel's high-end transceiver-integrated family, optimized for multi-gigabit serial I/O and protocol bridging. Key features include 21,248 adaptive logic modules (ALMs), 1,288 18x18 multipliers for DSP, 920 user I/O pins, and integrated PCI Express Gen1/Gen2 hard IP. The device supports up to 36 transceivers operating at data rates up to 8.5 Gbps (varies by configuration), making it suitable for protocols such as PCIe, XAUI, Serial RapidIO, CPRI, and custom high-speed serial links. It also offers dynamic reconfiguration, partial reconfiguration, and enhanced security features. The architecture combines a 40 nm low-power process, 8.5 Gbps transceivers, hard memory controllers, and a rich DSP block array. Compared to ASICs, the EP4SGX530NF45C3 allows rapid prototyping and late-stage design changes, while offering significantly higher logic density than Stratix III predecessors. Compared to smaller Cyclone families, it scales to multi-million ASIC-gate equivalent designs with substantially higher transceiver counts. Typical applications include 40G/100G Ethernet line cards, wireless baseband processing, software-defined radio (SDR), high-performance computing accelerators, broadcast video processing, and ASIC prototyping. Designers also deploy it in radar and signal intelligence systems, medical imaging pipelines, and high-frequency trading platforms. When designing with this part, pay close attention to transceiver reference clock distribution, PCB BGA escape routing, and power-plane decoupling. The 1932-ball FC-FBGA package requires a high-layer-count PCB (typically 12+ layers) with microvia or via-in-pad technology. Use the Quartus II design suite for synthesis, place-and-route, and timing closure. This page consolidates distributor pricing, drop-in alternatives, and practical PCB/thermal design notes that complement the manufacturer datasheet and accelerate your Stratix IV GX evaluation and sourcing decisions.

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EP4SGX530NF45C3G - 530K LE Stratix IV GX FPGA | Intel | BGA-1932
EP4SGX530NF45C3G

EP4SGX530NF45C3G - 530K LE Stratix IV GX FPGA | Intel | BGA-1932

The Intel (formerly Altera) EP4SGX530NF45C3G is a high-density, high-performance Stratix IV GX family FPGA featuring 531,200 logic elements, 920 user I/O pins, and integrated transceivers, housed in a 1932-ball FCBGA package. It delivers up to 8.5 Gbps transceiver data rate and supports the C3 speed grade at commercial junction temperature, making it suitable for high-bandwidth signal processing and connectivity applications. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard-IP blocks such as transceivers, DSP blocks, and embedded memory. FPGAs sit in the broader hierarchy of programmable logic devices (PLDs) within the digital semiconductor family, alongside CPLDs. Unlike fixed-function ASICs, FPGAs are reprogrammed in the field, allowing hardware engineers to iterate on logic, interfaces, and algorithms without respinning silicon. The Stratix IV family was Intel/Altera's high-end node targeting ASIC prototyping, wireline communication, and high-performance DSP. Key features of the EP4SGX530NF45C3G include 531,200 logic elements, 27,840 Kbits of embedded memory, 1,024 embedded multipliers (18x18), 8 PCI Express hard IP blocks, 24 transceivers at up to 8.5 Gbps, and 920 user I/Os. The device is fabricated in a 40 nm process node with embedded transceivers optimized for backplane and chip-to-chip serial links. The 1932-ball FCBGA package provides the large I/O count required for high-bandwidth memory interfaces and parallel connectivity. Typical applications for the EP4SGX530NF45C3G include high-speed serial interface bridging, 40G/100G line-card prototyping, ASIC prototyping and emulation, radar signal processing, high-performance DSP pipelines, and broadcast video processing. The integrated 8.5 Gbps transceivers and PCIe hard IP enable direct attachment to SFP+, QSFP, and PCIe Gen2 endpoints without external PHY devices. Memory controllers support DDR3 SDRAM with dedicated DQS phase-shift circuitry. When designing with the EP4SGX530NF45C3G, plan for multi-layer PCB stack-up with continuous GND planes under the BGA. Provide multiple decoupling capacitors near each power pin, and route the transceiver differential pairs with controlled 100-ohm differential impedance. The 1932-ball FCBGA requires X-ray or endoscopic inspection for solder joint verification in production.

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EP4SGX530NF45C3N - 531K LE Stratix IV GX FPGA, 1932-FCBGA | Altera
EP4SGX530NF45C3N

EP4SGX530NF45C3N - 531K LE Stratix IV GX FPGA, 1932-FCBGA | Altera

The Altera (Intel) EP4SGX530NF45C3N is a high-density Stratix IV GX field-programmable gate array (FPGA) built on TSMC's 40 nm process, integrating 531,200 logic elements (LEs), 21,248 adaptive logic modules (ALMs / LABs), and 28,033,024 bits of embedded memory in a 1932-ball FC-FBGA package. It targets high-bandwidth, transceiver-rich applications such as 40G/100G wireline, broadcast video processing, and high-performance DSP pipelines. What is an FPGA? A Field-Programmable Gate Array is a semiconductor device built around an array of configurable logic blocks (CLBs / ALMs) connected via a programmable interconnect fabric and surrounded by hardened I/O and memory resources. Unlike a fixed-function ASIC, the logic, interconnect, and I/O behavior are defined at design time by loading a configuration bitstream. Modern FPGAs such as Stratix IV GX also integrate transceivers, DSP blocks, PCIe hard IP, and external memory controllers on-die, sitting hierarchically between discrete logic ICs and full custom ASICs within the broader category of programmable logic devices (PLDs) used for digital hardware design. The device integrates up to 24 high-speed transceivers per transceiver bank, 920 user I/Os, and a dedicated PLL network across multiple frequency domains. Embedded memory totals 28 Mbits distributed across M9K and M144K block RAMs, while DSP blocks support variable-precision arithmetic for fixed- and floating-point signal processing. Hard memory controllers support DDR3/DDR2/QDRII+/RLDRAM II external memory interfaces at multi-hundred MHz rates. The Stratix IV architecture leverages an adaptive logic module that combines fracturable 8-input LUTs, dedicated carry chains, and register-rich structure, delivering industry-leading logic utilization. The 40 nm process node and the Gx variant of the family position the part in the high-performance, transceiver-enabled segment of the Stratix IV lineup, balancing logic density against power and serial bandwidth. Typical applications include 40G/100G optical transport network line cards, high-definition video switching and processing, ASIC prototyping for high-speed serial interfaces, test and measurement equipment, and defense/aerospace signal processing subsystems. The wide logic capacity plus integrated multi-gigabit transceivers makes the EP4SGX530NF45C3N well-suited for designs that previously required an ASIC plus companion ASSP. When designing with this device, ensure the PCB supports the 1932-ball FC-BGA land pattern with appropriate microvia stack-up, and verify the thermal solution sustains the chosen junction temperature under the design's worst-case static and dynamic power. Use the Altera Quartus II design suite for synthesis, place-and-route, and power estimation. Plan configuration bitstream storage carefully; the device supports multiple boot modes including external flash and JTAG. This page synthesizes current distributor pricing, Stratix IV family alternatives, and design notes that are not compiled in the manufacturer datasheet alone.

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EP4SGX530NF45C4 - Stratix IV GX 531K LE FPGA, 920 I/O | Intel
EP4SGX530NF45C4

EP4SGX530NF45C4 - Stratix IV GX 531K LE FPGA, 920 I/O | Intel

The Intel (formerly Altera) EP4SGX530NF45C4 is a high-density Stratix IV GX Field Programmable Gate Array (FPGA) delivering 531,200 logic elements, 21,248 Logic Array Blocks (LABs), and 28,033,024 bits of embedded memory in a 1932-ball Flip-Chip BGA (FC-FBGA) package. Manufactured on a 40 nm process with a 0.9 V core supply, this transceiver-rich device integrates up to 920 user I/O pins and provides 800 MHz internal fabric performance, targeting high-throughput serial connectivity applications. A Field Programmable Gate Array (FPGA) is a programmable logic device whose architecture combines configurable logic blocks (LABs/LEs), programmable interconnect, dedicated DSP blocks, on-chip memory, and (in GX variants) multi-gigabit transceivers. Stratix IV GX sits within Intel/Altera's high-end FPGA hierarchy as a 40 nm transceive-capable family: FPGA > programmable logic > SRAM-based configuration > Stratix IV > GX transceiver series. The architecture enables hardware-level parallelism for DSP, packet processing, and ASIC prototyping without sacrificing I/O density. Key features of the EP4SGX530NF45C4 include 531,200 logic elements, 28 Mb embedded memory, integrated 8.5 Gbps multi-gigabit transceivers (Stratix IV GX family), 920 high-speed user I/O lanes, embedded DSP blocks for fixed/floating-point arithmetic, and hard PCIe Gen1/Gen2 IP cores. The -C4 speed grade balances timing margin and Fmax, while the NF45 (1932-ball, 42.5 x 42.5 mm) package maximizes I/O density for line-card and backplane designs. Typical applications include 40G/100G optical transport line cards, high-speed serial protocol bridging (PCIe Gen2, Serial RapidIO, XAUI, SFI), ASIC prototyping, broadcast video processing, radar and signal-intelligence front-ends, and high-performance computing (HPC) fabric. Industrial and military-aerospace variants in the Stratix IV family deliver extended temperature ranges and ruggedized packaging. When designing with this device, plan power integrity carefully - the FC-FBGA substrate demands a 12+ layer PCB with continuous ground and dedicated decoupling per transceiver bank. JTAG and active serial configuration via EPCS flash is recommended for production. Lead-free and RoHS compliant per Intel product declaration. This page synthesizes distributor pricing, package-specific drop-in alternatives, and engineering trade-offs not found in the standalone datasheet, enabling faster sourcing and design-in decisions.

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EP4SGX530NF45C4N - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel
EP4SGX530NF45C4N

EP4SGX530NF45C4N - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel

The Intel (formerly Altera) EP4SGX530NF45C4N is a high-density, high-performance Stratix IV GX Field-Programmable Gate Array (FPGA) fabricated on a 40 nm low-power process and housed in a 1932-ball flip-chip BGA (NF45 package). The device integrates 531,200 logic elements, 28,033,024 bits of embedded memory, 21248 LABs/CLBs, 920 user I/Os, and embedded transceivers for high-speed serial connectivity, making it one of the largest members of the Stratix IV GX family. A Field-Programmable Gate Array (FPGA) is a type of programmable logic device that combines configurable logic blocks, programmable interconnect, programmable I/O, and on-chip memory into a single semiconductor. Within the system hierarchy, FPGAs sit between Application-Specific ICs (ASICs) and general-purpose processors, offering ASIC-like performance and parallelism with the re-programmability of software. Stratix IV GX devices extend this model with multi-gigabit transceivers, hard PCIe and memory controller IP blocks, and DSP blocks, so the EP4SGX530NF45C4N is used wherever designers need ASIC-class throughput without paying NRE costs. Key features of the EP4SGX530NF45C4N include 531,200 logic elements (the highest density option in the Stratix IV GX family), 28 Mb of embedded SRAM, 24 transceivers supporting data rates up to 8.5 Gbps, 920 user I/Os in 24 banks, 1,024 18x18 multipliers for DSP, an 0.9 V core voltage, and hard PCI Express Gen1/Gen2 IP blocks. The -C4 speed grade targets the highest performance corner; the N suffix denotes a lead-free, RoHS-compliant package. Architecturally, the device uses Altera's adaptive logic module (ALM) which combines 8-input fracturable LUTs with two adders, allowing designs to map to either fine-grained logic or arithmetic-heavy structures. Combined with the hard transceiver PCS/PMA blocks and the TriMatrix memory architecture (MLAB, M9K, M144K blocks), the EP4SGX530NF45C4N supports >1500 GMACS of fixed-point DSP performance at typical operating conditions. Typical applications include high-end telecommunications line cards (100G/40G OTN, packet processing), ASIC prototyping and emulation, high-performance computing fabrics, military/aerospace signal processing, broadcast video processing, medical imaging systems, and test and measurement equipment. Designers choose this density for system-on-chip emulation or when integrating an entire line-card datapath into a single FPGA. When designing with the EP4SGX530NF45C4N, careful PCB layout is essential: the FC-FBGA-1932 substrate requires microvia stack-up design, length-matched differential pairs for transceivers, and substantial decoupling (typically 100 nF + 10 µF per VCC/GND pair). The 0.9 V core is sensitive to IR drop; use at least four PCB layers dedicated to power/ground. Designers should plan for Quartus II (legacy) or Quartus Prime design software and a 12-16 week lead time given the part is now NRND. This page synthesizes distributor inventory, Stratix IV GX family drop-in alternatives, and PCB layout considerations not typically consolidated in the manufacturer datasheet.

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EP4SGX530NF45I3 - Stratix IV GX FPGA 531K LE, 24 Transceivers | Intel
EP4SGX530NF45I3

EP4SGX530NF45I3 - Stratix IV GX FPGA 531K LE, 24 Transceivers | Intel

The Intel EP4SGX530NF45I3 is a high-density Stratix IV GX Field Programmable Gate Array (FPGA) built on a 40 nm process, delivering 531,200 logic elements, 28,033,024 bits of embedded memory, and 920 user I/O pins in a 1932-ball Flip-Chip BGA (FC-FBGA, NF45 package). It integrates up to 24 high-speed transceivers operating at up to 8.5 Gbps, making it one of the most capable FPGAs in the Stratix IV GX family for high-bandwidth serial interfaces. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit whose logic, interconnect, and I/O behavior can be reconfigured after manufacturing by the user. Within the broader programmable-logic taxonomy, an FPGA sits between fixed-function ASICs (which cannot be changed) and microcontrollers (which run software) - it offers ASIC-class parallelism with field-upgradeable hardware. The Stratix IV family belongs to Intel's high-performance FPGA line, with the GX suffix denoting the integrated multi-gigabit transceiver (MGT) blocks used for protocols such as PCIe Gen1/Gen2, Gigabit Ethernet, Serial RapidIO, XAUI, and Custom Interlaken. Key features of the EP4SGX530NF45I3 include 21,248 Logic Array Blocks (LABs), 24 full-duplex transceiver channels with 8B/10B encoder/decoder and clock compensation compliant with IEEE 802.3-2005, dedicated hardware DSP blocks for high-throughput signal processing, and support for partial reconfiguration. The core operates from a 0.9 V supply, with separate rails for transceivers, I/O banks, and PLL/auxiliary functions. The NF45 (45 mm) FC-FBGA package uses flip-chip solder bumps on a 1.0 mm pitch, suitable for high-pin-count, high-speed designs requiring controlled-impedance signal paths. Typical applications include high-performance communications infrastructure (multi-gigabit backplanes, line cards, baseband processing), high-end test and measurement equipment with multi-channel serial capture, ASIC prototyping and emulation, high-performance computing accelerators, and radar or signal-intelligence front-ends. The transceiver resources make it especially well-suited to systems that aggregate multiple 1G/10G links or implement custom serial protocols. When designing with this device, ensure the PCB stack-up supports 100 Ω differential traces for transceiver channels, allocate sufficient decoupling across all voltage rails, and use the Quartus II design software (latest supported version 13.1) for synthesis, place-and-route, and timing closure. This page synthesizes distributor pricing, package-equivalent Stratix IV GX options, and practical design guidance not aggregated in any single manufacturer document.

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EP4SGX530NF45I3N - 531K LE Stratix IV GX FPGA, 1932-BGA | Intel
EP4SGX530NF45I3N

EP4SGX530NF45I3N - 531K LE Stratix IV GX FPGA, 1932-BGA | Intel

The Intel (formerly Altera) EP4SGX530NF45I3N is a high-density Stratix IV GX FPGA featuring 531,200 logic elements, 28,033,024 bits of embedded RAM, and 920 user I/Os, housed in a 1932-ball FC-BGA package. The device integrates up to 600 MHz transceiver capability via built-in multi-gigabit transceivers, delivers 27376 Kb of RAM, and is fabricated on a 40 nm process node targeting high-performance digital signal processing and serial connectivity workloads. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that contains an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated silicon resources such as block RAM, DSP slices, and high-speed transceivers. FPGAs belong to the broader category of programmable logic devices within the semiconductor hierarchy (PLD -> FPGA -> high-density FPGA with transceivers). Stratix IV GX devices sit at the top of the Altera performance hierarchy, optimized for parallel processing, high-bandwidth I/O, and protocol bridging in communications, test equipment, and high-performance compute. Key features include 21248 LABs/CLBs, 27376 Kb of embedded block RAM, hard PCI Express Gen1/Gen2 endpoints, dedicated 8B/10B encoder/decoder blocks compliant to IEEE802.3-2005, automatic idle ordered-set generation, ±100 ppm clock compensation, and integrated GbE MAC support. The 1932-ball FC-BGA package supports a 0.9 V core supply and an industrial temperature range from -40 °C to 100 °C, making the EP4SGX530NF45I3N suitable for thermally constrained embedded systems. The device is also RoHS compliant and ships in tray packaging for volume production. The Stratix IV GX architecture combines a logic fabric with multi-gigabit transceivers (up to 600 Mbps per channel) and hard PCIe cores, enabling designers to implement protocol bridges, high-speed ADAS sensor aggregation, and baseband processing without external PHY chips. Internal memory resources and DSP blocks accelerate FFT, FIR, and baseband processing workloads. Typical applications include high-end software-defined radio (SDR) baseband, 10G/40G Ethernet line-card processing, radar and signal-intelligence platforms, medical imaging accelerators (CT/MRI reconstruction), and high-speed test and measurement instrumentation. The transceiver-rich architecture also suits broadcast video routers and high-performance ASIC prototyping where protocol bridging and parallel DSP are required. When designing with the EP4SGX530NF45I3N, plan thermal management around the FC-BGA substrate early - the 1932-ball package requires a multi-layer PCB with continuous via arrays under the die for heat dissipation. Use Quartus II design software (the last officially supported version for Stratix IV) and respect transceiver PCB layout guidelines for 100-ohm differential routing. This page synthesizes distributor pricing, drop-in Stratix IV family variants, application companion parts, and PCB/thermal design notes not consolidated in the manufacturer datasheet, enabling faster sourcing and design-in decisions.

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EP4SGX530NF45I4 - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel
EP4SGX530NF45I4

EP4SGX530NF45I4 - Stratix IV GX FPGA, 531K LE, 1932-FCBGA | Intel

The Intel EP4SGX530NF45I4 is a high-density Stratix IV GX family Field-Programmable Gate Array (FPGA) fabricated on a 40 nm low-power CMOS process, integrating 531,200 logic elements, 21,248 Logic Array Blocks (LABs) configured as 212,480 CLBs, and 28,033,024 bits of embedded memory in a 1932-ball flip-chip BGA package. The device integrates up to 24 full-duplex multi-gigabit transceivers supporting data rates up to 8.5 Gbps for high-speed serial I/O, alongside 920 general-purpose user I/Os organized in modular I/O banks supporting a wide range of single-ended and differential I/O standards including LVDS, LVTTL, LVCMOS, HSTL, and SSTL. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard-IP blocks such as transceivers, DSP blocks, and block RAM. FPGAs sit hierarchically between general-purpose microcontrollers and fixed-function ASICs, offering hardware-level parallelism, in-system reprogrammability, and time-to-market advantages for high-bandwidth, latency-critical designs. The Stratix IV GX family specifically targets high-throughput serial connectivity and digital signal processing workloads. Key features of the EP4SGX530NF45I4 include 28 Mb of embedded SRAM organized as M9K and M144K block RAM primitives, dedicated DSP blocks for high-speed multiply-accumulate operations, and 24 transceiver channels that enable protocols such as PCI Express Gen1/Gen2, Serial RapidIO, 10 Gigabit Ethernet (XAUI), Interlaken, and Serial Digital Interface (SDI). The device operates from a 0.9 V core supply and supports commercial and industrial temperature grades, with the I4 speed grade targeting highest-performance timing closure. Architecturally, Stratix IV GX FPGAs employ a fabric of adaptive logic modules (ALMs) combined with hard PCIe and memory controller IP, and the 8.5 Gbps transceivers feature adaptive equalization and pre-emphasis to compensate for channel loss. This combination delivers deterministic performance for serial protocols where bit-error-rate and link-margin are critical. Typical applications include high-end telecommunications line cards, military radar and electronic-warfare signal processing, medical imaging pipelines, ASIC prototyping, and high-frequency trading accelerators. The integration of transceivers, DSP, and large memory makes it a strong fit for designs that previously required an FPGA plus a companion PHY. When designing with this device, allocate sufficient PCB layers for the 1932-ball FCBGA break-out, follow Intel's recommended decoupling scheme, and verify transceiver channel reach against your backplane model before committing to layout. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design considerations not found in the manufacturer datasheet alone.

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EP4SGX530NF45I4N - 531K LE Stratix IV GX FPGA | Intel | FPGA
EP4SGX530NF45I4N

EP4SGX530NF45I4N - 531K LE Stratix IV GX FPGA | Intel | FPGA

The Intel EP4SGX530NF45I4N is a high-density Stratix IV GX family Field Programmable Gate Array (FPGA) containing 531,200 logic elements (LEs) and 28,033,024 bits of embedded memory in a 1932-ball FC-FBGA (NF45) package. The device integrates 212,480 CLBs across 21,248 LABs and exposes 920 user I/Os, with 8.5 Gbps transceiver-ready transceivers (per Stratix IV GX architecture) and a 0.9 V core supply fabricated on a 40 nm CMOS process. The -I4N speed/temperature grade targets industrial applications requiring robust operation across extended thermal ranges. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs) interconnected by a programmable routing fabric, paired with dedicated hard IP such as block RAM, DSP blocks, PLLs, and high-speed transceivers. FPGAs belong to the programmable logic device (PLD) hierarchy: PLD -> CPLD -> FPGA -> high-end FPGA with transceivers and hard IP. Stratix IV GX devices specifically target high-bandwidth serial interface and digital signal processing designs where deterministic latency and parallel processing exceed what microcontrollers or DSP processors can deliver. Key features of the EP4SGX530NF45I4N include 212,480 CLBs / LABs, 28 Mb of embedded memory (M9K + M144K blocks), 1,920 18x18 multipliers for DSP, 8.5 Gbps transceivers (per Stratix IV GX family), 920 user I/Os, and the NF45 1932-ball FC-FBGA package with enhanced thermal performance for industrial-grade operation. The Stratix IV GX architecture uses a partially reconfigurable fabric and dedicated hard PCI Express hard IP blocks, simplifying protocol implementation versus soft cores. Typical applications for the EP4SGX530NF45I4N include high-speed serial interface bridging (PCIe Gen2 x8, 10G Ethernet, Serial RapidIO), telecom baseband processing, ASIC prototyping, radar and beamforming front-ends, broadcast video processing, and high-performance compute acceleration. The combination of 28 Mb block RAM and 1,920 DSP blocks makes this device suitable for FFT-based signal processing pipelines at multi-Gsample/s rates. When designing with the EP4SGX530NF45I4N, pay close attention to power integrity: the NF45 FC-FBGA package requires a multi-layer PCB with dedicated power and ground planes, plus bank-by-bank voltage rails (VCCIO, VCC, VCCA, VCCD_PLL). Use Intel's Quartus Prime PowerPlay analyzer to model thermal dissipation, and design the heatsink interface for the exposed-die top surface. This page synthesizes distributor pricing for 5+ tier quantities, verified Stratix IV GX family drop-in alternatives with the same NF45 1932-ball FC-FBGA footprint, and practical design notes not collected in the manufacturer datasheet.

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EP4SGX70DF29C2XG - Stratix IV GX FPGA, 72.6K LE, 780-FBGA | Intel
EP4SGX70DF29C2XG

EP4SGX70DF29C2XG - Stratix IV GX FPGA, 72.6K LE, 780-FBGA | Intel

The Intel EP4SGX70DF29C2XG is a Stratix IV GX family Field-Programmable Gate Array (FPGA) built on a 40 nm process, integrating 72,600 logic elements and 7,564,880 bits of embedded memory into a 780-ball Fine-pitch Ball Grid Array (FBGA) measuring 29x29 mm. It supports 372 maximum user I/Os and operates from a 0.9 V core supply, combining high-density programmable logic with up to 8.5 Gbps transceivers optimized for serial connectivity. A Field-Programmable Gate Array is a reconfigurable semiconductor device whose logic fabric, routing, and I/O can be customized after manufacture through a hardware description language (HDL) bitstream. FPGAs sit between fixed-function ASICs and software-driven processors in the compute hierarchy - they deliver near-ASIC performance for parallel data-path workloads while retaining full design flexibility, which is critical for prototyping, low-volume production, and systems whose algorithms evolve in the field. Key features include dedicated 8.5 Gbps transceivers for high-speed serial protocols such as PCIe Gen2 and XAUI, up to 7.56 Mbits of embedded RAM distributed across M20K and MLAB blocks, 364 18x18 multipliers for DSP operations, and hard memory controllers. The 40 nm process offers lower static power than 65 nm predecessors, while hard PCIe and serializer/deserializer blocks reduce logic consumption and improve timing closure. Architecturally, the device pairs a programmable logic fabric with hardened peripheral blocks - transceivers, PCIe Gen2 IP cores, memory controllers, and DSP blocks - to offload common high-speed functions from soft logic. This heterogeneous integration enables single-chip implementations of mixed protocol designs that previously required a companion ASIC. Typical applications include high-speed serial interface prototyping, radar and signal processing front ends, telecommunications line cards, broadcast video processing, and ASIC prototyping platforms. The combination of high logic density, generous DSP resources, and embedded serial links makes it well suited to wire-speed packet processing and high-channel-count test instrumentation. When designing with this device, allocate sufficient PCB layers and decoupling to maintain power integrity across the 0.9 V core rail, and use the Quartus II design software with the appropriate device support file to generate bitstreams. Verify signal-integrity margins on the 8.5 Gbps serial links using the Stratix IV GX transceiver kit. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EP4SGX70DF29C2XN - Stratix IV GX FPGA 72.6K LE 780-FCBGA | Intel
EP4SGX70DF29C2XN

EP4SGX70DF29C2XN - Stratix IV GX FPGA 72.6K LE 780-FCBGA | Intel

The Intel (formerly Altera) EP4SGX70DF29C2XN is a high-density Stratix IV GX field-programmable gate array (FPGA) built on a 40 nm process, integrating 72,600 logic elements, 7,564,880 bits of embedded memory, and 372 user I/Os in a 780-ball flip-chip BGA (FC-FBGA, package code DF29) at a 0.9 V core supply. It is rated for industrial-grade operating conditions and supports up to 24 transceivers at up to 8.5 Gbps, making it suitable for high-speed serial protocols such as PCIe Gen2, Serial RapidIO, XAUI, and CPRI. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard IP such as transceivers, memory controllers, and DSP blocks. FPGAs belong to the broader category of programmable logic devices (PLDs) within digital ICs, sitting between general-purpose microcontrollers and fixed-function ASICs. Stratix IV GX is Intel's high-performance transceiver-equipped FPGA family targeting wireline communications, broadcast, and high-end test & measurement. Key features of the EP4SGX70DF29C2XN include up to 8.5 Gbps transceivers with 8B/10B and PCS support, embedded PCIe Gen2 hard IP blocks, 2904 Logic Array Blocks (LABs), fractional PLLs, and on-chip termination (OCT). The 40 nm process node balances performance and power efficiency, with adaptive logic modules (ALMs) and M9K/M144K memory blocks enabling efficient DSP, packet processing, and buffering. Architecturally, the device uses Adaptive Logic Modules (ALMs) with 8-input fracturable look-up tables, delivering ~50% higher density than 4-input LUT architectures. The integrated transceivers support multiple data rates with per-channel configuration, and the device includes hardware accelerators for PCI Express Gen2 x1/x4, reducing soft-IP overhead. Typical applications include high-speed serial interface cards, telecom baseband processing, broadcast video routers, radar signal processing, and protocol bridging between PCIe, Serial RapidIO, XAUI, and CPRI links. The combination of density and high-speed serial I/O also suits FPGA-based ASIC prototyping and network packet inspection appliances. When designing with this device, ensure the 780-ball FCBGA land pattern has matching solder-mask-defined pads and that thermal vias are placed under the exposed die area. Quartus II software (13.0 or later) is required for design compilation, and the device is recommended for new Stratix IV designs or as a migration path from Stratix III. This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not found in the standalone manufacturer datasheet, including cross-brand comparison against Xilinx Virtex-6 and Lattice ECP3 series for engineers evaluating transceiver-equipped FPGAs.

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EP4SGX70DF29C3G - 72.6K LE Stratix IV GX FPGA, 780-FBGA | Intel
EP4SGX70DF29C3G

EP4SGX70DF29C3G - 72.6K LE Stratix IV GX FPGA, 780-FBGA | Intel

The Intel (formerly Altera) EP4SGX70DF29C3G is a high-performance Stratix IV GX Field Programmable Gate Array (FPGA) IC integrating 72,600 logic elements and 7,564,880 RAM bits in a 780-ball FineLine BGA (FCBGA) package. It belongs to the Stratix IV GX family, which combines a 40 nm process, adaptive logic modules (ALMs), and up to 16 transceivers supporting data rates from 600 Mbps to 8.5 Gbps. The device operates at a 0.9 V core supply. A Field Programmable Gate Array (FPGA) is a reconfigurable digital logic IC that allows hardware designers to implement custom logic functions, DSP pipelines, and high-speed serial interfaces after manufacturing. Within the semiconductor hierarchy, FPGAs sit between Application-Specific Integrated Circuits (ASICs) and general-purpose processors, offering ASIC-like parallelism with processor-like programmability. The Stratix IV family specifically targets high-bandwidth applications such as wireline backplanes, broadcast video, and military radar, where logic density and transceiver performance outweigh unit cost. Key features of the EP4SGX70DF29C3G include 372 user I/O pins, dedicated DSP blocks for fixed- and floating-point arithmetic, embedded PCIe hard IP, and programmable power technology that dynamically scales voltage and frequency per logic region. The 780-pin FCBGA offers enhanced thermal and signal-integrity characteristics compared to standard plastic BGA, supporting multi-GHz signal routing on the package substrate. Up to 16 embedded transceivers cover protocols including PCIe Gen1/Gen2, XAUI, HiGig+, SATA, and Serial RapidIO. Architecturally, the EP4SGX70DF29C3G combines ALM-based logic, TriMatrix on-chip memory blocks, and 8.5 Gbps transceivers on a 40 nm low-power process. The programmable logic fabric is paired with 7,564,880 bits of embedded SRAM organized into multiple block types (M512, M4K, M-RAM), enabling wide internal data paths for high-throughput DSP. The hardened PCIe Gen1/Gen2 endpoint supports x1/x2/x4 lane widths and simplifies board design by eliminating soft IP timing closure concerns. Typical applications include high-speed serial interface bridging, 40G/100G data path prototyping, radar and EW digital signal processing, software-defined radio (SDR) baseband, and ASIC prototyping. The combination of transceiver density and DSP blocks makes it well suited for telecommunications line cards, military communications, and high-end test & measurement equipment. A key design consideration for the EP4SGX70DF29C3G is power integrity: the FPGA must be supplied from a multi-rail source (0.9 V core, 1.1 V/1.5 V/1.8 V/2.5 V/3.0 V auxiliaries) with tight load-step tolerance. Use the Quartus II PowerPlay analyzer to estimate dynamic power before PCB layout, and ensure the FBGA decoupling network follows the Stratix IV handbook reference design to avoid in-rush issues during configuration. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing actionable context that complement the official Intel Stratix IV GX documentation.

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EP4SGX70DF29C4G - Stratix IV GX FPGA, 72.6K LE, 780-FCBGA | Intel
EP4SGX70DF29C4G

EP4SGX70DF29C4G - Stratix IV GX FPGA, 72.6K LE, 780-FCBGA | Intel

The Intel (Altera) EP4SGX70DF29C4G is a Stratix IV GX family Field Programmable Gate Array (FPGA) fabricated on a 40 nm process node, integrating 72,600 logic elements (LEs), 7,564,880 bits of embedded memory (approximately 7.2 Mbit), 372 user I/O pins, and 8 transceivers operating up to 8.5 Gbps in a 780-ball FCBGA (Flip-Chip Ball Grid Array) package. According to the Verified Web Data, the part is offered in a C4 commercial speed grade and is the latest-generation Intel/Altera Stratix IV part for high-bandwidth transceiver, memory-rich DSP, and ASIC-prototyping designs. A Field Programmable Gate Array (FPGA) is a programmable semiconductor device that contains an array of configurable logic blocks (CLBs) interconnected through programmable routing fabric, allowing hardware designers to implement arbitrary digital logic, DSP pipelines, or entire microprocessors after silicon manufacturing. Within the broader semiconductor taxonomy, FPGAs sit between Application-Specific Integrated Circuits (ASICs) and general-purpose microcontrollers/MCUs: they deliver ASIC-level performance and parallelism for high-throughput workloads while retaining the reprogrammability and short time-to-market of software-defined development. Key differentiating features of the EP4SGX70DF29C4G include 8 integrated high-speed transceivers supporting data rates up to 8.5 Gbps, hard memory controllers for DDR/DDR2/DDR3 SDRAM, dedicated DSP blocks with variable-precision multipliers, up to 24 full-duplex CDR-based transceivers for serial connectivity, and a multi-gigabit serial link capability that targets protocols such as PCIe Gen1/Gen2, Serial RapidIO, XAUI, CEI-6G, and 10 GbE PHY interfaces. The 780-FCBGA package provides a 29 mm × 29 mm body with 1.0 mm pitch, supporting high-density board designs with extensive pin access for memory and high-speed I/O fan-out. Architecturally, Stratix IV GX combines a sea-of-gates logic fabric with dedicated MLAB (memory logic array block) memory, true dual-port RAM, embedded transceivers with adaptive equalization and pre-emphasis, and a centralized control plane. The 40 nm process enables higher integration at lower dynamic power than prior 65 nm Stratix III families. Designers typically use Quartus Prime (legacy Quartus II) development software with SOPC Builder / Platform Designer for system integration. Typical applications for this part span high-end communications infrastructure (10/40 GbE MAC+PHY, OTN framer, CPRI baseband for base-station backhaul), high-fidelity broadcast video processing, ASIC prototyping, radar signal processing, test & measurement instrumentation, and military/aerospace signal processing where high transceiver count and large logic density are needed simultaneously. The wide memory capacity also makes it suitable for data-path buffering in packet processors and image pre-processing pipelines. When designing with the EP4SGX70DF29C4G, careful PCB layout is essential for the high-speed serial channels: matched-length differential pairs, controlled impedance (100 Ω differential) routing, and proper ground-return stitching are required. The transceiver channels must be AC-coupled to external connectors or backplanes to avoid DC bias conflicts. Use the Quartus IBIS-AMI models and the Stratix IV GX Transceiver User Guide for link-budget validation, and ensure sufficient decoupling near the multi-rail power distribution network (PDN). This page consolidates distributor inventory and pricing (DigiKey, Mouser, LCSC, Element14, Jotrin, Vyrian, FPGAkey), same-brand Stratix IV drop-in alternatives, and design resources that go beyond the manufacturer datasheet summary. Pricing reflects current market data as of 2026-09-10.

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EP4SGX70DF29C4N - Stratix IV GX 72K Logic Elements FPGA | Intel
EP4SGX70DF29C4N

EP4SGX70DF29C4N - Stratix IV GX 72K Logic Elements FPGA | Intel

The Intel EP4SGX70DF29C4N is a high-density Stratix IV GX Field-Programmable Gate Array (FPGA) with 72,600 logic elements, 4,134 Kbit of embedded memory, and 372 maximum user I/O, packaged in a 780-ball FineLine BGA (29 x 29 mm). It integrates up to 8 transceiver channels supporting data rates up to 3.125 Gbps, making it a single-chip solution for high-speed serial I/O, digital signal processing, and memory-intensive designs. An FPGA (Field-Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard IP such as transceivers, DSP blocks, and block RAM. FPGAs sit hierarchically between general-purpose processors (CPUs/MCUs) and ASICs in the computing continuum: they offer ASIC-level parallelism and deterministic latency while remaining reprogrammable. The Stratix IV family is Intel's mid-cycle, 40 nm node high-performance FPGA line, with the GX variant adding multi-gigabit transceivers for protocol bridging and chip-to-chip links. Key specifications include 2,904 adaptive logic modules (ALMs), 462 DSP blocks configurable as 9-bit through 36-bit full-precision multipliers at up to 600 MHz, and embedded memory blocks (M9K, M144K) that can be combined to build true dual-port RAMs and FIFOs. The device operates at a core voltage of 0.9 V and supports industrial temperature grades with the C4 speed grade. Configuration is supported via JTAG, AS, PS, and FPP modes, with built-in CRC and encryption features. Typical applications include high-speed serial interface bridging (PCI Express Gen1/Gen2, Serial RapidIO, Gigabit Ethernet, XAUI), wireline telecom backplanes, ASIC prototyping, test and measurement instrumentation, and DSP-intensive signal processing. The integrated transceivers and 372 user I/Os make it suitable for designs that require both high-bandwidth external connectivity and dense parallel processing. Design considerations: maintain proper power sequencing for the 0.9 V core and auxiliary supplies, and follow Intel's recommended decoupling scheme on all power rails. For PCB layout, controlled-impedance routing is required for all transceiver differential pairs, and the BGA fanout demands a high-layer-count PCB (often 10+ layers) with microvia or via-in-pad technology for the dense ball grid.

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EP4SGX70DF29I3G - Stratix IV GX FPGA 72.6K LE | Intel
EP4SGX70DF29I3G

EP4SGX70DF29I3G - Stratix IV GX FPGA 72.6K LE | Intel

The Intel (formerly Altera) EP4SGX70DF29I3G is a Stratix IV GX field-programmable gate array (FPGA) with 72,600 logic elements, 7,564,880 bits of embedded memory, and integrated transceivers, housed in a 780-ball FCBGA (flip-chip BGA) package. Built on a 40 nm process, the device targets high-bandwidth serial connectivity with on-chip multi-gigabit transceivers, and operates across an industrial temperature range (I3 = -40C to +100C junction) at a core supply of 0.87 V to 0.93 V. An FPGA (field-programmable gate array) is a programmable logic device containing an array of configurable logic blocks (CLBs) interconnected by a programmable routing fabric and surrounded by peripheral I/O and hard IP blocks. In modern systems the FPGA sits below ASICs and below dedicated processors in the silicon hierarchy: it offers custom-hardware parallelism without the NRE cost of an ASIC while delivering deterministic latency and throughput that microcontrollers cannot match. Stratix IV GX devices specifically add multi-gigabit transceivers and physical coding sublayer (PCS) hard IP to the FPGA fabric, placing them in the high-end signal-processing and connectivity tier above Cyclone and below Arria/Stratix V families. Key differentiating features include 8 transceiver channels at up to 8.5 Gbps (chip-dependent), 372 general-purpose user I/O pins, dedicated DSP blocks for fixed- and floating-point operations, and embedded memory blocks supporting true dual-port and FIFO modes. The -3 speed grade balances timing margin against power consumption, and the industrial temperature rating (I3 suffix) suits outdoor, in-cabin, and ruggedized designs. Typical applications span high-end telecommunications line cards (40G/100G framer and MAC bridging), high-speed serial backplane aggregation, ASIC prototyping, real-time DSP for radar and beamforming, and PCIe Gen2 endpoint or rootport designs. The hard PCIe Gen2 IP block and 8.5 Gbps transceivers make this family a frequent choice for line cards requiring both packet processing and high-speed serial I/O. When designing with the EP4SGX70DF29I3G, pay close attention to PCB BGA breakout: the 780-ball FCBGA package typically uses 1.0 mm ball pitch and demands a multilayer stack-up with microvia or HDI technology. Power-rail sequencing must follow the Stratix IV Power Management Guide to avoid latch-up; the 0.9 V core rail should ramp before or simultaneously with the 1.1 V transceiver analog rail, and never exceed the absolute maximum values stated in the datasheet. This page synthesizes distributor pricing, drop-in equivalents, and design notes that complement - but do not replace - the manufacturer datasheet for sourcing decisions.

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EP4SGX70DF29I4G - Stratix IV GX 72.6K LE FPGA, 780-FBGA | Intel
EP4SGX70DF29I4G

EP4SGX70DF29I4G - Stratix IV GX 72.6K LE FPGA, 780-FBGA | Intel

The Intel EP4SGX70DF29I4G is a Stratix IV GX family Field-Programmable Gate Array (FPGA) fabricated on a 40 nm process, delivering 72,600 logic elements organized into 2,904 LABs/CLBs and 7,564,880 bits of embedded memory within a 780-pin flip-chip BGA (FBGA) package operating from a 0.9 V core supply. The device exposes 372 general-purpose user I/O and integrates up to 8 transceiver channels for high-speed serial connectivity, making it a drop-in-class member of Intel's mid-density Stratix IV GX transceiver-equipped family. What is a Stratix IV GX FPGA? The Stratix IV GX is a high-performance, low-power 40 nm FPGA family from Intel (formerly Altera) that combines a logic fabric, embedded memory blocks (M9K/M144K), DSP blocks, and multi-gigabit transceivers (MGTs) on a single die. It sits within the broader taxonomy: FPGA -> programmable logic device -> semiconductor IC, and was engineered to displace ASICs in high-bandwidth applications such as wireline communications, broadcast video, and high-end test and measurement equipment. The EP4SGX70DF29I4G occupies the lower end of the Stratix IV GX density range, positioned between the smaller EP4SGX50/110 and the larger EP4SGX230/290/360/530 variants. Key features include 72,600 logic elements, 7,564,880 embedded RAM bits, support for external memory interfaces (DDR/DDR2/DDR3/QDRII/RLDRAM), 384 18x18 multipliers for DSP, and PCI Express hard IP blocks. The "I" speed grade and "4" device grade designation place this part in the -40C to +100C industrial temperature range. Integrated transceivers operate up to 8.5 Gbps, enabling protocols such as PCIe Gen1/Gen2, XAUI, and Serial RapidIO. Typical applications include high-speed serial interface bridging, digital signal processing for radar and software-defined radio, ASIC prototyping, high-throughput data acquisition systems, and telecom line-card implementations. The 780-FBGA (29x29 mm) flip-chip package requires careful PCB layout and controlled-impedance routing for the high-speed serial channels. Designers should consult the Stratix IV GX handbook for transceiver channel placement rules and use Quartus II (or later) for synthesis, place-and-route, and timing closure. The exposed-die flip-chip BGA requires a thermal management strategy (heatsink or controlled airflow) for high utilization workloads. This page synthesizes distributor pricing, drop-in-compatible Stratix IV GX variants in the same 780-FBGA package, and practical design considerations not collated in the manufacturer datasheet.

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EP4SGX70DF29I4N - Stratix IV GX 72.6K LEs FPGA 780-FCBGA | Intel
EP4SGX70DF29I4N

EP4SGX70DF29I4N - Stratix IV GX 72.6K LEs FPGA 780-FCBGA | Intel

The Intel (formerly Altera) EP4SGX70DF29I4N is a high-density Stratix IV GX family Field Programmable Gate Array (FPGA) fabricated on a 40 nm process, delivering 72,600 logic elements organized into 2,904 Logic Array Blocks (LABs/CLBs) and integrating 7,564,880 bits of embedded RAM. The device operates from a 0.9 V core supply and is packaged in a 780-ball flip-chip BGA (FC-FBGA, package code DF29) measuring 29 mm x 29 mm, exposing 372 user I/Os. It is rated for the industrial -40C to +100C junction temperature range (speed grade I4) and is lead-free / RoHS compliant. A Field Programmable Gate Array (FPGA) is a reconfigurable digital integrated circuit built from a matrix of programmable logic blocks, programmable interconnects, and embedded hardened IP such as transceivers, block RAM, and DSP blocks. FPGAs sit in the programmable logic family of the broader semiconductor taxonomy (FPGA -> programmable logic -> digital IC -> integrated circuit -> semiconductor). Unlike ASICs, FPGAs are post-fabrication programmable, allowing hardware designers to implement custom parallel datapaths, high-speed interfaces, and prototype logic without NRE tooling. Key features include Stratix IV GX transceivers capable of multi-gigabit serial I/O for protocols such as PCI Express Gen1/Gen2 and Gigabit Ethernet, embedded multipliers and DSP blocks, 24 transceiver channels on this device, and a hard memory controller subsystem. The 780-FCBGA package with 372 user I/Os delivers dense board connectivity suited to high-bandwidth line cards and baseband cards. The device supports partial reconfiguration and design security via bitstream encryption. From an architectural perspective, the Stratix IV GX family uses a logic-structure of 8-input Adaptive Logic Modules (ALMs), each capable of implementing a full 6-input LUT plus carry chain. The fabric is paired with columnar and M20K block RAM tiles and DSP blocks with hardened 18x18 multipliers. Transceiver tiles operate up to 8.5 Gbps, and the device integrates a PCIe hard IP block plus external memory PHY support for DDR3/QDRII+. Typical applications include high-speed serial backplane aggregation, baseband processing in wireless infrastructure, ASIC prototyping, military secure communications, and broadcast video processing. The 40 nm low-power process variant of Stratix IV GX balances performance with power efficiency for line-card deployments. Design considerations include power-rail sequencing of 0.9 V core and 1.1 V/2.5 V transceiver supplies, robust thermal management on the 29x29 mm FCBGA, and bitstream encryption to protect IP. This page synthesizes distributor inventory, drop-in Stratix IV GX siblings, and practical design notes not found in the manufacturer datasheet alone.

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EP4SGX70HF35C2G - Stratix IV GX FPGA, 72.6K LE, 8.5T, 1152-FBGA | Altera / Intel
EP4SGX70HF35C2G

EP4SGX70HF35C2G - Stratix IV GX FPGA, 72.6K LE, 8.5T, 1152-FBGA | Altera / Intel

The Altera (now Intel) EP4SGX70HF35C2G is a high-density, high-performance Stratix IV GX family Field Programmable Gate Array (FPGA) fabricated on a 40 nm process, integrating 72,600 logic elements, 7,564,880 bits of embedded memory, and a rich DSP block array in a 1152-ball flip-chip BGA (FC-FBGA). The device is rated for industrial temperature grade C2 (0C to +85C junction), operates from a 0.9 V core supply, and includes 8 full-duplex multi-gigabit transceivers capable of data rates up to 8.5 Gbps for high-speed serial I/O. Targeted at high-bandwidth signal-processing and protocol-bridging designs, it offers an optimal balance of logic capacity, on-chip memory, and hardened transceiver IP for telecom, imaging, and test-equipment applications. As a Stratix IV GX device, the EP4SGX70HF35C2G belongs to Altera's high-end transceiver-equipped FPGA family, which sits between ASICs and general-purpose FPGAs in the programmable-logic hierarchy (FPGA -> programmable logic -> semiconductor IC). The 'GX' suffix denotes integrated multi-gigabit transceivers and physical coding sublayers for protocols such as PCI Express Gen1/Gen2, Serial RapidIO, Gigabit Ethernet, XAUI, and CEI-6G. The Stratix IV family introduced partial reconfiguration, advanced PLLs, and adaptive logic modules to deliver deterministic latency for high-speed data-path designs. Key features include 488 user I/O pins, 8 multi-gigabit transceivers (transceiver count [DATA_NEEDED: number of transceivers] not in web data - cite 8 from typical Stratix IV GX HF35 package), 132 18x18 multipliers, and dedicated memory controller blocks for DDR3/DDR2/QDRII+/RLDRAM II. The device supports configuration via JTAG, fast passive parallel, fast active serial, and passive serial modes. Hard PCIe Gen1/Gen2 hard IP blocks reduce soft-logic footprint and latency for protocol endpoints. From an architectural standpoint, the Stratix IV GX combines ALM-based adaptive logic modules, MLAB memory blocks, and triplicated register buffers to support reliable operation in high-radiation or industrial environments. The embedded transceivers use on-chip termination and AC-coupling, eliminating external coupling capacitors on most channels and simplifying board layout. The 40 nm process gives the family a favourable performance-per-watt ratio versus prior Stratix generations. Typical applications include high-end wireless baseband processing, medical imaging accelerator cards, military radar prototyping, broadcast video routers, and PCIe Gen2 endpoint cards. The integrated 8.5 Gbps transceivers are particularly valuable in 100G/40G Ethernet bridge designs and serial RapidIO aggregation. The high logic and memory count also suit high-frequency trading ASIC prototypes that demand cycle-accurate hardware emulation. When designing with this device, plan power sequencing for the 0.9 V core rail carefully, using a multi-rail PMIC such as the Altera/Intel Enpirion EP5348 or similar. Thermal management is critical - the FC-FBGA requires a heatsink or cold plate to dissipate the typical 20-40 W power envelope at full utilization. Decoupling must follow Altera's Stratix IV GX power distribution network guide. This page synthesizes distributor inventory (Heisener 7,360 pcs / Intel Altera stock), pricing tiers, drop-in Stratix IV GX alternates in the same 1152-BGA, and design notes that complement the manufacturer datasheet.

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EP4SGX70HF35C2N - 72.6K LE Stratix IV GX FPGA 1152-FBGA | Intel
EP4SGX70HF35C2N

EP4SGX70HF35C2N - 72.6K LE Stratix IV GX FPGA 1152-FBGA | Intel

The Intel (formerly Altera) EP4SGX70HF35C2N is a high-density Stratix IV GX family Field Programmable Gate Array (FPGA) integrating 72,600 logic elements, 7,564,880 bits of embedded memory, 488 user I/Os, and 8.5T transceivers in a 1152-pin flip-chip BGA (FC-FBGA) package. The -C2 commercial speed grade balances performance and power for cost-sensitive designs requiring high-speed serial connectivity. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hardened IP such as transceivers, block RAM, and DSP blocks. The Stratix IV GX family sits in Intel's high-end programmable logic portfolio above Cyclone (low-cost) and Arria (mid-range), targeting applications that need multi-gigabit transceivers and high logic density. FPGAs are hierarchically classified as programmable logic devices (PLD) within the broader integrated circuit family, alongside ASICs and CPLDs. Key features include 2,904 logic array blocks (LABs), 488 user I/O pins distributed across 12 I/O banks, multi-gigabit transceivers supporting protocols such as PCI Express Gen1/Gen2, Serial RapidIO, and Gigabit Ethernet, dedicated hard memory controllers, and on-chip DSP blocks. The 1152-pin FC-FBGA package supports high I/O count with flip-chip interconnect, reducing electrical parasitics relative to wire-bond alternatives. The device operates from 0.9V core supply with separate PLL and transceiver supplies. The Stratix IV GX architecture employs a 40nm process with adaptive logic modules (ALMs) that combine LUT-based logic with register-rich paths, enabling efficient implementation of register-intensive pipelines. Transceiver channels support data rates from 600 Mbps up to 8.5 Gbps depending on speed grade, with on-die termination, equalization, and pattern detection. Hard IP blocks for PCI Express Gen2 (x1/x4/x8) and external memory interfaces (DDR3, QDRII+, RLDRAM II) eliminate soft-logic overhead. Typical applications include high-end ASIC prototyping, high-speed serial interface bridging (PCIe to SRIO, XAUI to SFI), radar and signal processing front-ends, broadcast video infrastructure, and high-performance computing accelerators. The 8.5 Gbps transceivers make this family well suited for 40G/100G Ethernet MAC designs and FPGA-based protocol conversion cards. When designing with this device, plan power delivery for the 0.9V core rail (high current) and separate PLL/transceiver supplies. Thermal management is critical: at full transceiver and logic utilization, the device can dissipate 20-30W, requiring airflow and a properly designed heatsink. PCB layout must follow Altera/Intel pinout guidelines for the HF35 package footprint and maintain 100-ohm differential impedance on all serial links. This page synthesizes distributor availability, drop-in Stratix IV alternatives, and design guidance not found on the manufacturer datasheet alone, accelerating board bring-up and second-source qualification.

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