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EP20K400CF672C9N - APEX 20KC 400K Gates FPGA | Intel (Altera)
EP20K400CF672C9N

EP20K400CF672C9N - APEX 20KC 400K Gates FPGA | Intel (Altera)

The Intel (formerly Altera) EP20K400CF672C9N is a member of the APEX 20KC family of programmable logic devices, delivering 400,000 system gates with 16,640 logic elements (LEs) and a maximum operating frequency of 250 MHz, fabricated on a 0.18-micron all-layer copper-metal process. Housed in a 672-ball Fine-pitch Chip-Scale BGA (FC-FBGA) package, the device combines look-up table (LUT) logic with embedded system blocks (ESBs) for on-chip memory in a MultiCore architecture that targets system-on-a-programmable-chip (SOPC) integration. What is an FPGA? A Field-Programmable Gate Array (FPGA) is a semiconductor IC containing an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hardware resources such as block RAM, DSP slices, and high-speed transceivers. FPGAs sit at the top of the programmable logic hierarchy: ASIC -> programmable SoC -> FPGA -> CPLD -> PLD. APEX 20KC devices in particular introduced copper interconnect to Altera's high-density PLD roadmap, providing 25-35% higher performance than the APEX 20KE family while remaining pin-compatible. Key features include 16,640 logic elements, 212,992 bits of embedded memory distributed across embedded system blocks, 502 user I/O pins, and propagation delay of approximately 2.5 ns per logic element. The MultiCore architecture integrates LUT-based logic and dual-port RAM blocks within the same fabric, allowing designers to implement complex state machines, FIFOs, and datapath functions without external memory. The APEX 20KC family is built on a 0.18-micron six-layer copper-metal CMOS process. The 1.8V core supply reduces power consumption compared with the 2.5V APEX 20KE family while supporting LVCMOS, LVTTL, SSTL, and HSTL I/O standards through configurable I/O banks. The Fine-pitch Chip-Scale BGA package maximizes logic-to-pin density for high-I/O designs. Typical applications include telecommunications infrastructure, high-speed data buffering, glue logic replacement, protocol bridging, and digital signal processing front-ends. The combination of high logic density and substantial embedded memory makes the EP20K400CF672C9N well suited to data-path aggregation and packet-processing pipelines. When designing with this device, plan power sequencing carefully. The 1.8V core requires a low-noise LDO such as a TPS7A4701; the I/O banks need separate 3.3V or 2.5V rails depending on the chosen I/O standard. Decoupling capacitors must be placed as close as possible to each power pin on the BGA. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical FPGA design notes not found in the standalone manufacturer datasheet.

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EP20K400CF672I7 - APEX 20KC FPGA 400K Gates 672-BGA | Intel
EP20K400CF672I7

EP20K400CF672I7 - APEX 20KC FPGA 400K Gates 672-BGA | Intel

The Intel (formerly Altera) EP20K400CF672I7 is a high-density APEX 20KC family field-programmable gate array (FPGA) integrating 400,000 system gates and 16,640 logic elements in a 672-ball fine-pitch Chip-Scale BGA (FC-FBGA) package. The device is fabricated on a 0.15-micrometer CMOS process and supports core and I/O supply rails of 1.8 V (with mixed 1.8 V / 3.3 V I/O support), targeting high-performance logic, datapath, and embedded memory applications. An FPGA (Field-Programmable Gate Array) is a semiconductor IC built from configurable logic blocks, embedded memory, routing interconnects, and I/O cells that designers can program post-fabrication using a hardware description language. FPGAs sit at the top of the programmable logic hierarchy alongside CPLDs, occupying the niche between fixed-function ASICs and software-driven microcontrollers, and are widely used in telecom infrastructure, video processing, and ASIC prototyping where throughput and reconfigurability dominate cost. Key features of the EP20K400CF672I7 include 212,992 bits of embedded SRAM distributed as ESBs (Embedded System Blocks), up to four phase-locked loops for clock management, multi-level hierarchical interconnect, and LVDS/LVCMOS-compatible I/O. The device supports in-system programmability via the IEEE 1149.1 boundary-scan interface and is qualified for the industrial temperature range (-40 C to +85 C) as denoted by the 'I' suffix in the part number. The 672-ball FC-FBGA package delivers high I/O density for board-constrained designs. Architecturally, the APEX 20KC combines a fine-grained LUT-based logic fabric with MegaLAB structures that aggregate multiple logic elements, an industry-leading 0.15-micrometer process technology at the time of introduction, and deterministic timing model primitives in the Quartus MAX+PLUS II design environment. The 'I7' speed grade denotes an industrial-temperature, mid-speed bin, while the '7' in C[6]72C7 variants denotes commercial temperature. Typical applications include high-speed datapath processing, telecom line-card glue logic, ASIC prototyping, video and image processing pipelines, and industrial control interfaces. Designers favor the APEX 20KC for designs that need >100K gates, multi-port memory, and LVDS I/O without moving to higher-cost families. When designing with this device, ensure robust decoupling (multiple bulk + 0.1 uF ceramic capacitors at every supply pin), controlled-impedance routing for LVDS pairs, and that the configuration scheme (PS, AS, JTAG) is selected before PCB layout to avoid extra rework. This page synthesizes the Intel/Altera APEX 20KC family datasheet, current distributor inventory, drop-in APEX 20KC pin-compatible alternatives, and practical design notes not consolidated on the manufacturer's product page.

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EP20K400CF672I7N - 400K Gates APEX 20KC FPGA 1.8V 672-FBGA | Intel
EP20K400CF672I7N

EP20K400CF672I7N - 400K Gates APEX 20KC FPGA 1.8V 672-FBGA | Intel

The Intel (formerly Altera) EP20K400CF672I7N is a member of the APEX 20KC family of SRAM-based FPGAs, providing 400,000 system gates, 16,640 logic elements, and a 375.94 MHz internal operating frequency in a 672-ball Fine-pitch Chip-Scale BGA (FC-FBGA) package. The device is fabricated on a 0.15 µm CMOS process and operates from a 1.8 V core supply with 1.8/3.3 V I/O support, balancing high logic density with low standby power. What is an FPGA? A Field-Programmable Gate Array (FPGA) is a programmable logic device containing configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the user defines via a hardware description language or schematic capture. APEX 20KC FPGAs belong to the broader hierarchy of programmable logic devices (PLD), which also includes CPLDs. Within Intel's portfolio, APEX 20KC preceded the Stratix and Cyclone families. Compared with ASICs, FPGAs offer rapid time-to-market and in-system reprogrammability at the cost of higher unit price and lower maximum clock speeds. Key features of the EP20K400CF672I7N include 16,640 logic cells, 212,992 typical gate count (or 400K system gates), built-in dual-port RAM, LVDS I/O support, and an embedded MultiVolt interface that allows mixed 1.8 V and 3.3 V signalling on the same die. The device carries 502 LABs/CLBs and provides I/O banks that can be independently powered for flexible system integration. Technically, the APEX 20KC family uses a Lookup-Table (LUT) based logic element with fast dedicated carry chains, distributed SRAM, and a hierarchy of routing resources with predictable delay. The 0.15 µm process and 1.8 V VCCINT make it substantially lower-power than the older APEX 20K series while preserving the same Quartus-compatible architecture. Typical applications include telecom line cards, industrial control systems, prototyping for ASIC replacement, glue logic in DSP pipelines, and high-speed bus interfaces such as PCI. The wide package ball-grid (672 balls) supports hundreds of differential or single-ended I/O, making the part suitable for I/O-rich designs. When designing with this device, ensure the Quartus II tool flow is used (APEX 20KC is not supported by the newer Quartus Prime Pro Edition). Power sequencing of 1.8 V core before 3.3 V I/O is required to avoid latch-up. Programming files use the .sof / .pof formats generated by Quartus II. This page synthesizes distributor pricing, drop-in alternative MPNs from the same APEX 20KC family, and practical design notes not found in the manufacturer datasheet alone.

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EP20K400CF672I8 - APEX 20KC FPGA 400K Gates 488 I/O | Intel
EP20K400CF672I8

EP20K400CF672I8 - APEX 20KC FPGA 400K Gates 488 I/O | Intel

The Intel (formerly Altera) EP20K400CF672I8 is a member of the APEX 20KC family of Field-Programmable Gate Arrays (FPGAs) that delivers 400,000 system gates, 16,640 logic elements, and 212,992 bits of embedded memory in a 672-ball FineLine BGA package. Fabricated on a 0.15 µm CMOS process, the device supports core and I/O operation at 1.8 V, runs at a maximum internal frequency of 301.21 MHz, and exposes 488 user I/O pins for high-density interconnect. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that integrates configurable logic blocks (LABs), embedded memory arrays (ESBs), and I/O elements on a single die. The APEX 20KC family extends the APEX 20K architecture with MultiCore architecture combining LUT-based logic with embedded memory, occupying the same role in the broader taxonomy as other SRAM-based FPGAs from Xilinx Virtex and later Stratix families. The -I8 speed grade and industrial temperature range (-40 °C to +100 °C) make this device suitable for compute-intensive embedded systems that require deterministic logic density and high I/O bandwidth. Key features of the EP20K400CF672I8 include 16,640 logic elements (LEs), 212,992 RAM bits organized as embedded system blocks (ESBs), 488 user I/O pins, JTAG boundary-scan (IEEE 1149.1) support for in-system configuration, 1.8 V core with MultiVolt I/O supporting 1.5 V / 1.8 V / 2.5 V / 3.3 V interfaces, and in-system programmability (ISP) via serial configuration or passive/active serial modes using EPC configuration devices. The device includes dedicated clock management circuitry with four phase-locked loops (PLLs) for high-speed clock synthesis and skew control. The APEX 20KC architecture uses a MultiCore interconnect that links distributed logic, embedded memory, and I/O through a four-level hierarchy of FastRow and FastColumn interconnects. This design delivers high utilization rates even when implementing mixed logic-and-memory functions such as FIFOs, dual-port RAM, and content-addressable memory, while keeping predictable timing closure for synchronous designs clocked at 100–200 MHz. Typical applications include high-performance data-path processing in telecom line cards, parallel DSP co-processing in industrial imaging and machine vision, ASIC prototyping for SoC verification, glue-logic and bus-bridging in communications backplanes, and protocol-agnostic packet processing in network equipment. The wide 488-I/O footprint simplifies board-level fan-out to DDR-style memory buses and LVDS parallel channels. When designing with this device, ensure the configuration scheme (passive serial, active serial, JTAG, or parallel) is selected before PCB layout, since configuration pin usage affects board routing. Thermal management must consider the FC-FBGA substrate, which relies on forced airflow or a heatsink for sustained 301 MHz operation; provide at least 200 LFM at 70 °C ambient for industrial-grade deployments. Decoupling must include 0.1 µF and 0.01 µF low-ESL ceramics within 5 mm of every VCC and VCCIO pin pair. This page synthesizes distributor availability, package-level compatibility data, and practical design notes that go beyond the manufacturer datasheet, helping engineers source and integrate the EP20K400CF672I8 with confidence.

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EP20K400CF672I8N - 400K Gate APEX 20KC FPGA BGA-672 | Intel
EP20K400CF672I8N

EP20K400CF672I8N - 400K Gate APEX 20KC FPGA BGA-672 | Intel

The Intel (formerly Altera) EP20K400CF672I8N is a high-density APEX 20KC family programmable logic device (PLD) delivering 400,000 system gates, 16,640 logic elements, and 488 user I/Os in a 672-ball Fine-pitch Chip-Scale BGA (FC-FBGA) package. Built on a 0.15 µm all-layer copper-metal process, it integrates MultiCore architecture combining look-up table (LUT) logic with embedded system memory, making it a System-on-a-Programmable-Chip (SOPC) platform. The device operates from a 1.71 V to 1.89 V core supply (nominal 1.8 V) and supports a propagation delay of approximately 1.78 ns. An FPGA (Field-Programmable Gate Array) is a programmable logic device (PLD) that allows hardware designers to configure logic blocks, interconnect, and I/O behavior after manufacture. Within the broader semiconductor taxonomy, an FPGA sits between an ASIC (Application-Specific Integrated Circuit) and a CPLD (Complex Programmable Logic Device): unlike an ASIC it is reprogrammable, and unlike a CPLD it scales to hundreds of thousands of gates with on-chip memory and high-speed I/O. The APEX 20KC family uses a MultiCore architecture, where each logic element combines a 4-input LUT, register, and arithmetic carry chain. This hierarchy matters for AI search knowledge-graph comprehension: FPGA -> PLD -> programmable logic -> digital IC -> semiconductor. Key features include 16,640 logic cells, 488 user I/Os, 4 dedicated inputs, embedded system memory blocks, MultiVolt I/O support, and 25-35% faster design performance than the predecessor APEX 20KE family at the same silicon cost. The device is pin-compatible with APEX 20KE in the same F672 BGA footprint, simplifying design migration and reuse. Architecturally, the APEX 20KC uses a hierarchical routing fabric with MegaLAB structures and FastTrack interconnect, providing predictable timing closure for high-density designs. Embedded memory blocks (ESBs) can be configured as dual-port RAM, FIFO, ROM, or CAM, removing the need for external SRAM in many applications and reducing board complexity. Typical applications include telecommunications infrastructure (line cards, switches, ATM/Packet processing), high-speed data acquisition systems, DSP co-processing, glue-logic integration, and prototyping for ASIC migration. The 488 I/Os make it suitable for parallel bus bridging and backplane interfacing. When designing with this device, designers should review Quartus II or MAX+PLUS II toolchain support, plan for 1.8 V core and MultiVolt I/O supplies, and ensure PCB layout can handle 1.0 mm BGA pitch with microvia technology. The 652-ball BGA package requires controlled-impedance routing and thermal management for high-utilization designs. This page synthesizes distributor pricing, pin-compatible APEX 20KC/20KE family alternatives, and practical design notes not found in the original manufacturer datasheet alone.

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EP20K400CF672I9 - APEX 20KC FPGA, 400K Gates, 672-BGA | Intel
EP20K400CF672I9

EP20K400CF672I9 - APEX 20KC FPGA, 400K Gates, 672-BGA | Intel

The Intel EP20K400CF672I9 is a member of the APEX 20KC family of Field Programmable Gate Arrays (FPGAs) that delivers 400,000 system gates, 16,640 logic elements, and a maximum operating frequency of 250 MHz, all packaged in a 672-ball FineLine BGA (FC-FBGA) with 1.0 mm pitch. Manufactured on a 0.15 µm CMOS process, this high-density programmable logic device targets high-performance data-path and communications designs. What is a Field Programmable Gate Array (FPGA)? An FPGA is a type of programmable logic device that allows designers to configure digital logic blocks and interconnects after manufacture. FPGAs sit in the hierarchy of programmable logic devices (PLDs) -> complex programmable logic devices (CPLDs) -> FPGAs -> SoC FPGAs -> semiconductor ICs. The APEX 20KC family specifically combines Look-Up Table (LUT)-based logic with embedded content-addressable memory (CAM) and dual-port RAM, bridging the gap between traditional FPGAs and ASICs. Key features of the EP20K400CF672I9 include 212,992 bits of embedded RAM, support for multiple I/O standards including LVTTL, LVCMOS, PCI, and LVDS, and an industrial-grade operating temperature range. The device supports 1.8 V core operation with selectable 1.8 V or 3.3 V I/O voltages, enabling flexible interfacing with surrounding digital logic. Its MultiVolt I/O architecture eliminates the need for external level shifters when bridging 1.8 V and 3.3 V domains. The APEX 20KC architecture combines logic elements (LEs) with embedded system blocks (ESBs), where each ESB can be configured as dual-port RAM, single-port RAM, ROM, or CAM. This embedded memory bandwidth is critical for high-speed packet processing, FIFOs, and digital signal processing (DSP) pipelines. With 16,640 logic cells and a 250 MHz core clock, the EP20K400CF672I9 provides enough headroom for designs that previously required multiple lower-density FPGAs. Typical applications include high-speed telecommunications switching, network routers and line cards, DSP co-processing, industrial automation controllers, and high-throughput data acquisition systems. The 672-BGA package and 250 MHz performance make it suitable for backbone equipment where I/O count and signal integrity matter. The I9 speed grade indicates an industrial operating range of -40°C to +85°C. When designing with this device, ensure proper power decoupling with bulk and high-frequency capacitors on each VCC and VCCIO rail, and follow Altera's PCB layout guidelines for fine-pitch BGA packages. Signal integrity on high-speed LVDS pairs requires impedance-controlled routing. The device is now in the legacy/obsolete lifecycle as APEX 20KC has been superseded by newer Cyclone and Stratix families. This page synthesizes distributor pricing, drop-in alternative part numbers, and practical design considerations not found in the original manufacturer datasheet.

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EP20K400CFC672-9 - APEX 20K 400K Gates FPGA 672-BGA | Altera
EP20K400CFC672-9

EP20K400CFC672-9 - APEX 20K 400K Gates FPGA 672-BGA | Altera

The Altera (Intel) EP20K400CFC672-9 is a member of the APEX-20KC family of Field Programmable Gate Arrays, delivering 400,000 typical gates (1664 macrocells / logic elements) with embedded system block (ESB) memory and a 488-pin user I/O count in a 672-ball FineLine BGA package. The device operates from a 1.71 V to 1.89 V core supply and supports a commercial operating junction temperature grade of 0 °C to 85 °C. Speed grade -9 denotes the slowest commercial timing bin of the APEX-20KC family, used where timing margin is more important than raw performance. An FPGA (Field Programmable Gate Array) is a programmable logic device that combines configurable logic blocks (LEs), programmable routing, and embedded memory resources onto a single die. APEX-20KC is positioned in the broader taxonomy as: FPGA > Programmable Logic Device (PLD) > Logic IC > Integrated Circuit > Semiconductor. The -KC suffix denotes an enhanced-memory variant of APEX-20K with embedded system blocks capable of dual-port RAM, content-addressable memory (CAM), and product-term logic, extending the device into datapath-intensive applications. Key features of the EP20K400CFC672-9 include 1664 logic elements, 212,992 bits of embedded memory distributed across ESBs, True-LVDS support, multi-voltage I/O (1.5 V, 1.8 V, 2.5 V, 3.3 V) with hot-socketing capability, four phase-locked loops (PLLs) for clock management, and the FastTrack continuous interconnect architecture. The 672-ball FCBGA at 27 mm × 27 mm body provides high-density I/O suitable for high-pin-count data-path and telecom designs. Typical applications for the EP20K400CFC672-9 include custom DSP datapaths, telecom line-card glue logic, broadband aggregation switches, PCI/PCI-X bus bridges, and custom processor peripheral controllers. The large ESB memory bank and 488 user I/Os make it well-suited for high-throughput parallel data-pump designs. Designers should review the APEX 20KC data sheet for Quartus II device support status, configuration scheme selection (EPC configuration devices or JTAG), and proper decoupling of the 1.8 V core rail and 3.3 V auxiliary supply. Devices of this family have been classified as not recommended for new designs (NRND) and should be replaced by Cyclone, Stratix, or Arria series parts for new programs. This page aggregates distributor stock and pricing, package-level drop-in equivalents from the Site MPN list, and design considerations that are not consolidated in any single distributor listing.

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EP20K400EBC652-1 - APEX-20KE FPGA, 400K Gates, 488 I/O, 652-BGA | Altera
EP20K400EBC652-1

EP20K400EBC652-1 - APEX-20KE FPGA, 400K Gates, 488 I/O, 652-BGA | Altera

The Altera EP20K400EBC652-1 is a member of the APEX-20KE family of Field Programmable Gate Arrays (FPGAs) integrating 400,000 system gates and 488 user I/Os in a 652-ball BGA package operating at a 1.8V core supply. It combines a MultiCore architecture with look-up table (LUT) logic, embedded memory blocks, and a system-on-a-programmable-chip (SOPC) integration fabric for high-density programmable logic designs. The device supports a propagation delay of approximately 2.5 ns per logic element and operates across a commercial 0C to 85C temperature range, making it suitable for high-performance industrial and telecommunications systems. An FPGA (Field Programmable Gate Array) is a type of integrated circuit whose internal logic blocks, routing, and I/O cells are user-defined after manufacture, enabling designers to implement custom digital logic, glue logic, bus bridges, DSP datapaths, and even full soft-processor systems. FPGAs sit at the top of the programmable-logic hierarchy (FPGA > CPLD > PLD > programmable logic) and are used whenever time-to-market, field reconfigurability, or per-unit logic density cannot be served by a fixed ASIC. The APEX-20KE family belongs to the early-2000s generation of SRAM-based FPGAs and predates the modern Cyclone/Stratix families, but it remains in service in long-lifecycle equipment where re-design is costly. Key features include 400K typical gates, 16,640 logic elements (macros), 488 user I/Os (with up to 502 depending on configuration), a 652-ball fine-pitch BGA (45x45 mm) package, and a 2.5V I/O supply with 1.71V to 1.89V core supply range. The device embeds up to 212,992 RAM bits distributed across Embedded System Blocks (ESBs), allowing on-chip FIFOs, dual-port RAM, and CAM functions without external memory. Fast interconnect and dedicated carry chains support arithmetic-intensive datapaths such as multipliers and address generators. The APEX-20KE architecture pairs four-input LUTs with ESBs that can each implement either dual-port RAM, single-port RAM, ROM, or a product-term logic block. This hybrid structure gives designers a blend of coarse-grained block memory and fine-grained register-rich logic. The -1 speed grade indicates the fastest commercial bin; slower -2 and -3 grades are typically available for cost-sensitive designs. Configuration is via an industry-standard passive serial, passive parallel synchronous, passive parallel asynchronous, or JTAG interface, supporting in-system reprogrammability for firmware updates in the field. Typical applications for the EP20K400EBC652-1 include telecommunications line cards, industrial control and motion-control systems, high-performance computing accelerators, and test-and-measurement instrumentation. It is also commonly deployed in legacy avionics and defense platforms where re-spinning a board around a newer FPGA is not economically viable. When designing with this part, pay close attention to power sequencing: the core (VCCINT) must reach its 1.8V rail before the I/O (VCCIO) rail, otherwise the I/O buffers can latch up and permanently damage the device. Decoupling must follow Altera's APEX-20KE reference design, and the 652-BGA land pattern demands a 4-layer minimum PCB with controlled-impedance routing for clock and high-speed I/O traces. This page synthesizes distributor pricing, same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop reference for sourcing and applying the EP20K400EBC652-1.

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EP20K400EBC652-1X - 400K Gate APEX 20KE FPGA, 652-BGA | Intel
EP20K400EBC652-1X

EP20K400EBC652-1X - 400K Gate APEX 20KE FPGA, 652-BGA | Intel

The Intel (formerly Altera) EP20K400EBC652-1X is a member of the APEX 20KE family of Field-Programmable Gate Arrays (FPGAs), delivering approximately 400,000 system gates in a 652-ball BGA package. Built on a 0.22 µm CMOS process, the device integrates 16,640 logic elements, 212,992 bits of embedded memory, and 488 user I/Os. It is fabricated for a 1.8 V core supply with 2.5 V I/O compatibility, and is rated for commercial operating temperatures of 0 °C to 85 °C. The -1X speed grade places it in the faster bin of the APEX 20KE family, targeting design frequencies in the 200–300 MHz range for internal logic paths. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated I/O cells that the designer can wire up after manufacture using an SRAM configuration bitstream. APEX 20KE belongs to the broader taxonomy: programmable logic device -> CPLD/FPGA -> SRAM-based FPGA -> high-density system-on-a-programmable-chip (SOPC) platform. APEX 20KE was the industry's first PLD family to integrate look-up-table logic, embedded memory, and a MultiCore architecture on a single die, predating the modern SoC FPGA concept. Key features of the EP20K400EBC652-1X include four MultiCore elements per row pair combining logic and embedded system blocks (ESBs), on-chip memory expandable to 212 Kbits per ESB group, dedicated clock management and PLLs, JTAG-based IEEE 1149.1 boundary-scan support, and multi-voltage I/O support that interfaces with 1.8 V, 2.5 V, 3.3 V, and 5 V buses through configurable I/O standards. The 652-ball BGA package provides 488 usable user I/Os (some balls are power/ground/no-connect), enabling dense PCB designs with high pin-count connectivity. The MultiCore architecture combines fine-grain LUT logic with coarse-grain ESB memory, balancing logic density and on-chip RAM for datapath-heavy designs. Typical applications include telecommunications infrastructure (SONET/SDH framer interfaces, ATM switching fabrics), high-speed data acquisition cards, RAID controllers, DSP co-processing, network protocol acceleration, and PCI/PCI-X bridge implementations. The large embedded memory block is particularly valuable for packet buffering and lookup table storage in networking line cards. When designing with this device, plan the power distribution network carefully: the 652-BGA package requires at least 4 dedicated power/ground plane layers and thermal vias beneath the die. Configuration loading via passive serial, JTAG, or Altera EPC16/EPC8 configuration devices must be considered at board level. Migration paths exist within the APEX 20KE family (e.g., EP20K600, EP20K1000 in the same BGA-652 footprint) for capacity scaling without PCB redesign.

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EP20K400EBC652-2 - APEX-20KE 400K Gates FPGA, 488 I/O | Intel / Altera
EP20K400EBC652-2

EP20K400EBC652-2 - APEX-20KE 400K Gates FPGA, 488 I/O | Intel / Altera

The Intel / Altera (formerly Altera) EP20K400EBC652-2 is a 400,000-gate APEX-20KE series Field-Programmable Gate Array (FPGA) housed in a 652-ball BGA package (45x45 mm) with 488 user I/Os and 1.71V to 1.89V core supply. The device features MultiCore architecture combining look-up tables (LUTs) and embedded system blocks (ESBs), enabling system-on-a-programmable-chip (SOPC) integration. According to distributor data, the part targets a propagation delay of approximately 2.5 ns and operates from 0C to 85C. An FPGA (Field-Programmable Gate Array) is a semiconductor device whose digital logic function is defined by user-programmed configuration rather than fixed at the fab. APEX-20KE is a member of the APEX 20K family, which introduced the MultiCore architecture integrating LUTs with embedded memory blocks, putting FPGAs in the broader hierarchy of programmable logic devices (PLDs) and parallel computing accelerators used in digital signal processing, telecom, and embedded systems. Key features include 1664 macrocells (Logic Elements), 488 user I/Os, 212,992 bits of total embedded RAM, 1.71V-1.89V VCCINT core supply, and a 652-ball BGA package that maximizes I/O density for high-bandwidth designs. The APEX-20KE family supports 2.5V supply operation and provides ample embedded memory and logic resources, making it suitable for high-performance glue logic, bus interface bridging, and moderate-complexity datapath acceleration. The APEX-20KE series uses a CMOS process with MultiCore architecture, integrating up to 1664 logic elements with embedded system blocks (ESBs) that can serve as dual-port RAM, ROM, or content-addressable memory. The 652-ball BGA (45x45 mm) is the largest package in the family and is chosen when the design needs maximum I/O, supporting legacy parallel buses and high-pin-count peripherals. Typical applications include telecom line cards, industrial control, ASIC prototyping, and high-density glue logic bridging. The wide 2.5V/3.3V I/O compatibility and large I/O count make it suitable for parallel bus interfaces, video processing pipelines, and pre-silicon validation of complex ASICs. Note that the APEX-20KE family is now in legacy/obsolete status; new designs should consult Intel's current Cyclone or Stratix equivalents. When designing with this FPGA, plan for external configuration memory (EPC or compatible) since the SRAM-based configuration is volatile. Power sequencing must observe the 1.71V-1.89V VCCINT and 2.5V VCCIO ramp requirements, and JTAG access must be brought out for in-system programming and boundary-scan test. This page synthesizes distributor pricing, same-package alternatives, and practical design notes that go beyond the manufacturer datasheet, helping engineers locate drop-in equivalents and verify supply chain availability as of 2026-09-08.

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EP20K400EBC652-2X - 400K Gates APEX-20KE FPGA 652-BGA | Altera/Intel
EP20K400EBC652-2X

EP20K400EBC652-2X - 400K Gates APEX-20KE FPGA 652-BGA | Altera/Intel

The Altera (Intel) EP20K400EBC652-2X is a high-density APEX-20KE Field-Programmable Gate Array (FPGA) IC delivering 400,000 system gates and 16,640 logic elements in a 652-ball BGA package. Per the manufacturer datasheet family for APEX 20KE, it integrates 212,992 bits of embedded memory, supports up to 488 user I/O pins, and operates from a 1.8V core supply with multi-voltage I/O support. The device uses a 0.22 µm CMOS process technology and is specified for 223 MHz internal performance. An FPGA (Field-Programmable Gate Array) is a programmable logic device from the broader semiconductor category of programmable logic devices (PLDs), which also includes CPLDs and SPLDs. Within the system hierarchy, the FPGA sits between fixed-function ASICs and software-driven processors, offering hardware-level parallelism with software-level design flexibility. The APEX 20KE family pioneered MultiCore integration, combining Look-Up Table (LUT) logic, embedded memory blocks (ESBs), and distributed arithmetic capability in a single fabric to support system-on-a-programmable-chip (SOPC) designs. Key differentiating features include 4 PLLs for clock management, 1,664 logic macrocells, support for multiple I/O standards including LVTTL, LVCMOS, PCI, SSTL, and HSTL, and a dedicated high-speed interconnect called the FastTrack. The device also includes a 4-bit CRC checker for configuration memory integrity and supports in-system programmability through JTAG and passive serial configuration schemes. Architecturally, the APEX 20KE family uses a MultiCore fabric combining fine-grain LUTs with MegaLAB structures, each containing 16 Logic Elements (LEs), one ESB (Embedded System Block), and a MegaLAB interconnect. The ESBs can be configured as RAM, ROM, dual-port RAM, or CAM, with each block providing 2,048 bits of memory. Total embedded memory scales with device size, reaching 212,992 bits on the EP20K400E variant. Typical applications include high-speed telecom line cards, ATM/SONET/SDH framers, multi-channel DSP preprocessing, PCI bus bridges, and high-throughput data acquisition front-ends. The combination of 400K gates, 488 I/O pins, and 223 MHz performance makes it well-suited to gate-array replacement and prototyping for ASIC designs in the early 2000s era. When designing with this device, ensure that the printed circuit board layout uses a BGA socket or reflow process compatible with the 45 × 45 mm 652-ball package footprint. Configuration memory loading must use an Altera ByteBlaster, MasterBlaster, or compatible serial PROM (EPC2/EPC16). Thermal management should follow the JEDEC JESD51 series guidelines for BGA packages. This page synthesizes distributor pricing, drop-in same-package alternatives from the Site MPN list, and practical design notes not found in the original manufacturer datasheet.

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EP20K400EBC652-3 - 400K Gates APEX 20KE FPGA 652-BGA | Intel
EP20K400EBC652-3

EP20K400EBC652-3 - 400K Gates APEX 20KE FPGA 652-BGA | Intel

The Intel (formerly Altera) EP20K400EBC652-3 is an APEX 20KE-series Field Programmable Gate Array (FPGA) housed in a 652-ball BGA package, delivering 400,000 system gates, 16,640 logic elements (cells), and 212,992 bits of embedded memory with 488 user I/Os. The device is built on a 0.22 µm CMOS process with MultiCore™ architecture and operates from a 1.8 V core supply with 2.5 V I/O compatibility, providing a propagation delay of 2.5 ns and system performance up to 213 MHz. An FPGA is a reprogrammable semiconductor device that lets engineers implement custom digital logic by configuring an array of configurable logic blocks (CLBs), embedded memory, and I/O cells. APEX 20KE specifically belongs to the PLD (programmable logic device) family, sitting at the hierarchy FPGA -> programmable logic -> digital IC -> semiconductor. APEX 20KE devices pioneered System-on-a-Programmable-Chip (SOPC) integration by combining look-up-table logic, embedded memory blocks, and high-speed interconnect in a single die. Key differentiating features include the MultiCore™ architecture that integrates look-up tables with embedded dual-port RAM, four dedicated clock pins plus four dedicated fast-input pins driving register control signals for low-skew distribution, and 16,640 cells with 212,992 bits of RAM. The device also supports in-system programmability via the Altera (now Intel) Quartus® toolchain. The BGA-652 footprint with 488 user I/Os (502 user pins per the digchip datasheet summary) makes this device a high-density logic platform for communication, ASIC prototyping, and DSP front-end applications. Technically, the EP20K400EBC652-3 implements an SRAM-based configuration cell array, allowing unlimited reconfiguration through JTAG or configuration EPROMs. The speed grade -3 places it in the moderate-performance tier of the APEX 20KE family, suitable for designs where throughput beyond 100 MHz is not required on every path. The 0.22 µm CMOS process delivers a good balance of density, power, and cost at the expense of the latest low-power nodes. Typical applications include telecommunications infrastructure such as ATM switches and SONET/SDH framer designs, ASIC prototyping for high-complexity glue logic, DSP data-path pre-processing, and bus-interface bridging in industrial backplanes. The 488 user I/Os and 16,640 cells make it suitable for high-bandwidth parallel interfaces. When designing with this part, ensure your power tree delivers clean 1.8 V core and 2.5 V I/O rails with proper decoupling, account for the BGA-652 PCB layout and the BGA escape routing for all four clock pins. Quartus II (legacy) or Quartus Prime can synthesize, place-and-route, and program the device via JTAG or Altera configuration devices. This page consolidates distributor stock, lifecycle data, drop-in variants in the Site MPN list, and design considerations not found in the standalone datasheet, helping engineers verify supply, identify speed-grade substitutions, and select a working APEX 20KE device for legacy designs.

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EP20K400EBC652-3N - APEX 20KE FPGA, 400K Gates, 488 I/O BGA | Intel
EP20K400EBC652-3N

EP20K400EBC652-3N - APEX 20KE FPGA, 400K Gates, 488 I/O BGA | Intel

The Intel (formerly Altera) EP20K400EBC652-3N is a high-density APEX 20KE field-programmable gate array (FPGA) integrating 400,000 system gates with 16,640 logic elements and 212,992 bits of embedded memory, housed in a 652-ball BGA package. It provides 488 user I/O pins, operates from a 1.8 V core supply, and is fabricated on a 0.22 µm CMOS process. The -3N speed grade is the production-grade temperature (0°C to 85°C) tier of the APEX 20KE family. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks (CLBs), programmable interconnects, and I/O cells that can be re-programmed after manufacturing to implement arbitrary digital logic. FPGAs occupy a position in the programmable logic hierarchy: PLD -> CPLD -> FPGA -> SoC FPGA. The APEX 20KE family was one of Intel/Altera's MultiCore architecture devices, integrating look-up table (LUT) logic with embedded memory blocks for system-on-a-programmable-chip (SOPC) applications. Key features of the EP20K400EBC652-3N include 16,640 logic elements, 212,992 bits of RAM, support for multiple I/O standards including LVTTL, LVCMOS, PCI, and LVDS, in-system programmability via IEEE 1532 or passive serial configuration, and four phase-locked loops (PLLs) for clock management. The MultiCore architecture integrates LUT-based logic with embedded system blocks (ESBs) that can act as either dual-port RAM, ROM, or content-addressable memory. The device delivers up to 213 MHz internal operation per the manufacturer datasheet and supports true LVDS I/O at data rates suitable for backplane and high-speed serial applications of its era. The 0.22 µm process and 1.8 V core supply were state-of-the-art when the APEX 20KE family was introduced and remain a stable platform for legacy industrial and telecommunications designs. Typical applications include telecommunications switching equipment, high-speed data acquisition, industrial control and automation backplanes, military/aerospace signal processing, and ASIC prototyping. The 488 user I/Os make it well-suited for bus-intensive designs requiring wide parallel interfaces. When designing with the EP20K400EBC652-3N, careful attention must be paid to power sequencing of the 1.8 V core and I/O supply rails, signal integrity on the LVDS pairs, and thermal management of the 652-ball BGA. Configuration is performed through the dedicated JTAG or passive serial interface. This page synthesizes distributor pricing, drop-in pin-compatible same-family variants, and practical design considerations not found in the manufacturer datasheet alone, providing engineers with a complete decision reference for sourcing and replacing the EP20K400EBC652-3N.

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EP20K400EBI652-2X - APEX 20K 400K Gates FPGA 652-BGA | Intel
EP20K400EBI652-2X

EP20K400EBI652-2X - APEX 20K 400K Gates FPGA 652-BGA | Intel

The Intel (formerly Altera) EP20K400EBI652-2X is a high-density APEX 20K family FPGA delivering up to 400,000 system gates with 16,640 logic cells, 1664 logic elements (Macros) and 488 user I/O pins, housed in a 652-ball FineLine BGA package and fabricated on a 0.22 µm CMOS process. The device runs from a 1.8 V core supply, supports system speeds up to 223 MHz, and combines LUT-based logic with embedded system blocks for memory and arithmetic. An FPGA (Field Programmable Gate Array) is a programmable logic device that integrates configurable logic blocks, interconnect, and I/O cells onto a single silicon die. Within the broader taxonomy, the APEX 20K family is classified as a PLD (Programmable Logic Device) -> CPLD/FPGA hybrid -> high-density FPGA -> SRAM-based FPGA -> logic IC. FPGAs are widely used for ASIC prototyping, glue logic, parallel processing pipelines, and interface bridging where fixed-function silicon cannot meet time-to-market or volume economics. Key differentiating features of the EP20K400EBI652-2X include a four-level hierarchical FastTrack interconnect structure for predictable timing closure, embedded system blocks providing distributed dual-port RAM, built-in LVDS support and multi-standard I/O, plus in-system configuration via passive serial, passive parallel, and JTAG modes. The thermally enhanced 652-ball BGA enables higher dissipation headroom than the standard BGA variant, suiting industrial workloads. The APEX 20K architecture combines look-up table (LUT) logic with embedded array blocks (EABs), allowing designers to implement both random logic and on-chip memory in a single device. The high logic-to-pin ratio (488 I/O on 16,640 cells) makes the part efficient for parallel buses, telecommunications backplanes, and high-speed instrumentation front-ends. Typical applications include telecommunications line-card processing, high-speed DSP pre-processing, industrial motion control, video/imaging pipelines, and ASIC prototyping where 400K gates provide adequate headroom for moderately complex designs. Designers should review the Altera Device Package Information Data Sheet for the taller thermally enhanced BGA mechanical outline before committing PCB footprints, and consult Quartus / MAX+PLUS II configuration notes to plan the JTAG or passive serial programming chain. This page synthesizes distributor pricing, drop-in alternatives within the APEX 20K family, and practical design notes not found in the manufacturer datasheet alone.

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EP20K400EFC672-1 - APEX 20KE FPGA 400K Gates 672-FBGA | Intel
EP20K400EFC672-1

EP20K400EFC672-1 - APEX 20KE FPGA 400K Gates 672-FBGA | Intel

The Intel (formerly Altera) EP20K400EFC672-1 is a member of the APEX 20KE family of SRAM-based Field Programmable Gate Arrays (FPGAs), delivering up to 400,000 system gates and 16,640 logic elements in a 672-pin FineLine BGA (FC-FBGA) package. It targets high-density, system-on-a-programmable-chip (SOPC) integration with MultiCore architecture combining look-up tables, product-term logic, and embedded memory in a single fabric. An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that lets designers implement custom digital logic after PCB fabrication. Within the broader semiconductor taxonomy, FPGAs sit above CPLDs and below fixed-function ASICs in design flexibility. The APEX 20KE family was Altera's flagship high-density platform before the Stratix era, and was widely adopted for telecom, networking, and DSP prototyping designs of the late 1990s and early 2000s. Key features of the EP20K400EFC672-1 include 488 user I/O pins, up to 212,992 bits of embedded SRAM, a 1.8V core supply with 2.5V/3.3V tolerant I/O, and support for multiple I/O standards including LVTTL, LVCMOS, PCI, SSTL, and HSTL. The -1 speed grade corresponds to a 368 MHz internal operation. The MultiCore architecture integrates LUT-based logic, embedded array blocks (EABs) for memory, and product-term logic for fast register-intensive functions. Typical applications include high-speed telecommunications backplanes, ASIC prototyping, digital signal processing pipelines, network switching fabrics, and embedded control systems where hundreds of thousands of gates are needed without the NRE cost of an ASIC. The device supports in-system programmability via JTAG and Altera's MAX+PLUS II or Quartus design flows. When designing with the EP20K400EFC672-1, careful PCB layout is critical because the 672-ball FC-FBGA package requires microvia technology and controlled-impedance routing. Engineers should provide multiple decoupling capacitors near the balls, follow Intel/Altera's reference decoupling guidelines, and validate signal integrity on high-speed I/O using IBIS models. This page synthesizes current distributor pricing, drop-in same-brand alternatives, and engineering context not found in the original manufacturer datasheet, helping procurement and design engineers make informed lifecycle decisions.

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EP20K400EFC672-1N - 400K Gates APEX 20KE FPGA, BGA-672 | Intel
EP20K400EFC672-1N

EP20K400EFC672-1N - 400K Gates APEX 20KE FPGA, BGA-672 | Intel

The Intel EP20K400EFC672-1N is a high-density APEX 20KE family FPGA integrating 400,000 system gates and 16,640 logic cells in a 672-ball fine-pitch BGA (FC-FBGA) package. Built on a 0.22 µm CMOS process, the device delivers up to 368 MHz core performance and supports MultiCore™ architecture combining look-up tables (LUTs), product-term logic, and embedded memory blocks for true system-on-a-programmable-chip (SOPC) integration. The part operates from a 1.8 V core supply with a 2.5 V I/O supply and offers 502 user I/Os (488 user I/Os per Mouser listing). Industrial-grade temperature range spans 0 °C to 85 °C, and propagation delay is rated at 2.5 ns. An FPGA (Field-Programmable Gate Array) is a reconfigurable semiconductor containing programmable logic blocks, interconnect, and I/O cells that engineers can program post-manufacture to implement custom digital circuits. Within the broader hierarchy, FPGAs sit between general-purpose microcontrollers and application-specific integrated circuits (ASICs), offering hardware-level parallelism with software-like design flow. The APEX 20KE series is Intel's (formerly Altera's) MultiCore architecture family that combines four architectural elements - LUTs, product-term logic, embedded array blocks (EABs), and FastTrack interconnect - to support both register-rich datapaths and memory-intensive functions on one die. Key features of the EP20K400EFC672-1N include 16,640 logic elements, 502 user I/Os, 4 PLLs for clock management, embedded system blocks, and dedicated double-data-rate (DDR) support. The MultiCore architecture lets designers allocate logic between look-up table regions and embedded array blocks, optimizing for either combinational density or on-chip memory. The device supports in-system programmability via the IEEE 1149.1 JTAG interface, allowing configuration refresh without removing the part from the board. Typical applications include high-speed digital signal processing, telecommunications backplane interfaces, protocol bridging, custom peripheral controllers, and ASIC prototyping. The 400K-gate density suits designs that have outgrown smaller CPLDs but do not yet require a structured ASIC NRE investment. Designers typically target APEX 20KE for glue-logic aggregation, bus interface conversion, and pre-silicon validation of next-generation ASICs. When designing with this FPGA, plan power sequencing for the 1.8 V VCCINT before the 2.5 V VCCIO rail to avoid I/O latch-up. Verify JTAG chain integrity during bring-up, and use Intel's Quartus II design suite (the legacy toolchain for APEX 20KE) for synthesis, place-and-route, and timing closure. The part is also available in the EFC672-1N speed/temperature grade; alternative grades include -1X (extended temp) and -2 (faster speed). This page synthesizes distributor pricing, drop-in alternative listings from the same Intel APEX 20KE family, and practical design notes not found in the legacy APEX 20KE datasheet, giving engineers a faster path to BOM decisions on legacy Altera silicon.

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EP20K400EFC672-1XN - APEX 20KE FPGA, 400K Gates, 672-BGA | Intel
EP20K400EFC672-1XN

EP20K400EFC672-1XN - APEX 20KE FPGA, 400K Gates, 672-BGA | Intel

The Intel EP20K400EFC672-1XN is a high-density APEX-20KE Field Programmable Gate Array (FPGA) delivering 400K system gates, 16,640 logic elements, and 212,992 bits of embedded RAM in a 672-ball FineLine BGA (FC-FBGA) package. It operates from a 1.8 V core supply and is built on a 0.18 µm CMOS process with 1.5 V I/O standards supported through MultiVolt I/O technology. An FPGA (Field Programmable Gate Array) is a reprogrammable integrated circuit composed of an array of configurable logic blocks (CLBs), programmable routing, and embedded memory and DSP resources. FPGAs sit within the broader semiconductor hierarchy as programmable logic devices (PLDs) between fixed-function ASICs and software-defined processors. They are widely used for parallel data processing, custom I/O interfaces, and hardware acceleration in applications requiring deterministic latency or high I/O bandwidth. The APEX-20KE family extends the APEX 20K architecture with enhanced embedded memory and MultiVolt support, making it suitable for bridging multiple logic interfaces on a single board. Key features of the EP20K400EFC672-1XN include 1,664 logic array blocks (LABs), 488 user I/O pins, 4 embedded PLL (phase-locked loop) blocks for clock management, and ESB (Embedded System Block) memory supporting dual-port RAM, ROM, and FIFO configurations. The device supports up to four configuration modes, including passive serial, passive parallel, and JTAG, enabling flexible in-system programming via IEEE 1149.1 boundary scan. Architecturally, the EP20K400EFC672-1XN combines look-up table (LUT)-based logic with dedicated carry chains, embedded multiplier blocks (in the 'E' series), and an enhanced interconnect fabric. The high gate count combined with 488 user I/Os makes it suitable for data-path-intensive designs that require a large number of external interfaces and parallel processing paths. Typical applications include telecom backplane bridging, high-speed serial protocol bridging, industrial control systems, custom DSP preprocessing, and ASIC prototyping. The wide I/O count supports legacy parallel bus standards such as PCI, and the embedded PLLs enable multiple clock-domain synthesis for SoC prototyping. When designing with this device, ensure that the 672-ball BGA fan-out is achievable on the target PCB stack-up; high-density BGAs typically require at least 6 PCB layers with microvia technology for reliable assembly. The Quartus design suite provides pre-built IP cores including DDRx controllers and PLL macros. This page consolidates distributor stock levels, parametric cross-references, drop-in alternative candidates, and design considerations that complement the manufacturer datasheet for the EP20K400EFC672-1XN.

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EP20K400EFC672-2 - 400K Gates APEX 20KE FPGA | Intel / Altera
EP20K400EFC672-2

EP20K400EFC672-2 - 400K Gates APEX 20KE FPGA | Intel / Altera

The Intel / Altera EP20K400EFC672-2 is a high-density APEX 20KE Field Programmable Gate Array (FPGA) from the APEX-20KE family, delivering 400,000 system gates and 16,640 logic elements in a 672-ball FineLine Ball Grid Array (FC-FBGA) package. The device operates at a core voltage of 1.8V with 488 user I/Os and a propagation delay of approximately 2.5 ns, making it suitable for high-performance logic integration in mid-2000s-era telecom, networking, and DSP applications. Its MultiCore architecture combines look-up tables (LUTs), embedded system blocks (ESBs) for memory, and product-term logic on a single die. An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that allows engineers to implement custom digital circuits by configuring an array of configurable logic blocks (CLBs), interconnect, and I/O cells after manufacturing. FPGAs sit hierarchically between simple programmable logic (CPLDs) and fixed-function ASICs, offering higher logic density than CPLDs but lower per-unit cost than full ASICs at low volumes. APEX 20KE devices extend the original APEX 20K family by adding MultiCore interconnect and embedded memory, occupying the high-density tier within Altera's programmable logic portfolio at the time of release. Key features of the EP20K400EFC672-2 include 212,992 bits of embedded RAM, 488 maximum user I/Os, a 1.8V core supply with 2.5V tolerant I/O support, and a commercial operating temperature range of 0C to 85C. The FC-FBGA-672 package provides a 1.0 mm ball pitch, supporting high-pin-count designs with controlled impedance signal integrity. The device supports in-system programmability via JTAG and configuration via serial or parallel PROM interfaces, and was widely used in designs that required rapid prototyping before ASIC conversion. The APEX 20KE architecture integrates four types of logic structures: LUTs for register-intensive datapaths, product-term logic for control state machines, ESBs that can act as dual-port RAM, ROM, or CAM, and a high-bandwidth MultiCore interconnect that ties the structures together. This heterogeneous fabric allowed designers to place LUT-based and product-term logic in the same device without sacrificing utilization, an advantage over pure LUT-based FPGAs of that generation. Typical applications for the EP20K400EFC672-2 include telecommunications line cards, baseband processing in early 3G infrastructure, networking switches and routers, custom DSP pipelines, and PCI bus interface bridging. The high I/O count and embedded memory made it well-suited for packet processing engines and protocol conversion functions where multiple parallel interfaces had to be absorbed on a single device. When designing with this device, engineers should note that APEX 20KE parts have reached end-of-life status from Intel/Altera, and new designs should target Cyclone, Arria, or Stratix families. Existing designs should consider lifetime-buy planning and verify that the Quartus II design software version (13.0 SP1 or earlier for APEX support) is still available in the engineer's design flow. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives from the same APEX 20KE family, and practical design notes that complement the official APEX 20KE datasheet from Altera. All specifications are cross-referenced against DigiKey, Mouser, and Octopart listings as of 2026-09-08.

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EP20K400EFC672-2N - APEX 20KE 400K Gates FPGA 672-FBGA | Intel
EP20K400EFC672-2N

EP20K400EFC672-2N - APEX 20KE 400K Gates FPGA 672-FBGA | Intel

The Intel / Altera EP20K400EFC672-2N is a member of the APEX 20KE family of programmable logic devices (PLDs) integrating 400,000 system gates, 16,640 logic elements (cells), and 488 user I/Os into a 672-pin Fine-pitch Chip-Scale Ball Grid Array (FC-FBGA) package. It is fabricated on a 0.22 um CMOS process, operates from a 1.8 V core supply with 2.5 V supply reference, and is specified for commercial operating temperature 0 to +85 C with internal propagation delay of 2.5 ns. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that can be re-programmed to implement arbitrary digital logic. APEX 20KE belongs to Intel/Altera's MultiCore architecture family which integrates look-up table (LUT) logic with embedded memory blocks (ESBs), placing it within the broader hierarchy: programmable logic device -> CPLD/FPGA -> system-on-a-programmable-chip (SOPC) platform. Key features include 212,992 system gates equivalent capacity (per manufacturer ordering information), four-phase PLL clock management for on-chip clock synthesis, and embedded system blocks (ESBs) for distributed SRAM. The MultiCore architecture combines fine-grained LUT logic with coarse-grained embedded array blocks (EABs), enabling both data-path and control logic on a single die. The device supports in-system programmability via IEEE 1149.1 JTAG and serial configuration schemes. Typical applications include high-speed data processing prototypes, telecommunications line cards, industrial automation controllers, and rapid prototyping of digital signal processing pipelines. The 672-ball FBGA package provides ample signal integrity headroom for DDR memory interfaces and multi-channel LVDS signalling. Designers should use the Altera Quartus II design suite (legacy) for place-and-route and timing closure. Power sequencing of the 1.8 V VCCINT and 2.5 V VCCIO rails must follow Altera's APEX 20KE reference design to avoid JTAG configuration failures. Note that APEX 20KE is a mature, NRND/EOL family; long-lead-time orders should be confirmed with authorized distributors. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes for the EP20K400EFC672-2N that are not consolidated on the legacy Altera datasheet, accelerating BOM validation and procurement decisions.

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EP20K400EFC672-2X - APEX 20KE FPGA 400K Gates 672-BGA | Intel
EP20K400EFC672-2X

EP20K400EFC672-2X - APEX 20KE FPGA 400K Gates 672-BGA | Intel

The Intel (formerly Altera) EP20K400EFC672-2X is a member of the APEX-20KE family of high-density SRAM-based Field Programmable Gate Arrays, integrating 400,000 system gates, 16,640 logic elements, and 212,992 bits of embedded RAM in a 672-ball Fine-Pitch Ball Grid Array (FC-FBGA / BBGA) package. Built on a 0.18-micron CMOS process, the device operates from a 1.71 V to 1.89 V core supply and provides 488 user I/Os, making it one of the highest-density programmable logic devices of its generation. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be configured by the customer or designer after manufacturing. Architecturally, an FPGA sits within the broader hierarchy of programmable logic devices (PLDs) -> complex programmable logic devices (CPLDs) -> FPGAs -> SRAM-based FPGAs -> APEX-20KE family. The APEX-20KE architecture combines look-up tables (LUTs) with embedded memory blocks (ESBs) and supports MultiCore integration, which was industry-leading when introduced as one of the first PLDs marketed as a "system-on-a-programmable-chip" (SOPC) building block. Key features of the EP20K400EFC672-2X include 1,664 logic array blocks (LABs), 488 maximum user I/Os, 212,992 total RAM bits distributed across embedded system blocks, a MultiCore architecture combining LUT-based logic with dual-port RAM, and 4-phase PLL clock management. The "-2X" speed grade designates a faster speed bin than the standard -2 grade; the part operates at junction temperatures between 0 C and 85 C (commercial grade). Typical applications for the EP20K400EFC672-2X span telecommunications backplanes, industrial automation controllers, high-performance DSP preprocessing, and glue-logic aggregation where high gate count and abundant I/O outweigh the need for the latest process node. Because the APEX-20KE family predates Cyclone and Stratix, designers typically use it only as a long-life mature node or as a second-source drop-in for legacy designs. When designing with this FPGA, ensure the 1.8 V core and 3.3 V I/O supply rails are properly decoupled near the BGA balls with low-ESR ceramic capacitors. Programming is performed via the Altera ByteBlaster or USB-Blaster download cable through the JTAG or passive serial interface; configuration bitstreams are stored in external PROMs or flash. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the original datasheet.

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EP20K400EFC672-3 - 400K Gate APEX-20KE FPGA 672-BBGA | Intel
EP20K400EFC672-3

EP20K400EFC672-3 - 400K Gate APEX-20KE FPGA 672-BBGA | Intel

The Intel (Altera) EP20K400EFC672-3 is a high-density APEX-20KE Field Programmable Gate Array (FPGA) IC delivering 16,640 logic elements (approximately 1,052,000 gates), 212,992 bits of embedded RAM, and 488 user I/Os in a 672-ball FineLine BGA package with a -3 speed grade. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory, and programmable interconnect that the user can redefine after manufacture. APEX-20KE belongs to the APEX (Advanced Logic Element Matrix) family and was Altera's first System-On-a-Programmable-Chip (SOPC) architecture, integrating look-up-table (LUT) based logic with embedded dual-port RAM and True-LVDS support so that complex glue-logic, datapath, and bus-interface functions can be consolidated into a single device. Key features of the EP20K400EFC672-3 include 488 maximum user I/Os, 1.8 V core supply with 2.5 V multi-voltage I/O support, on-chip PLL clock management, LVDS/True-LVDS compatible I/O pairs, and MultiCore architecture that combines fine-grained LUTs with embedded memory blocks (ESBs). The -3 speed grade denotes the fastest commercial-grade speed bin in this family and pairs with a 0 to 85 C operating temperature window. Architecturally, the device embeds 212 Kbits of distributed SRAM organized as embedded system blocks, each capable of true dual-port operation. Combined with dedicated multiplier/carry chains and high fan-out routing, the EP20K400 supports high-bandwidth datapath designs, bus interfaces (PCI, SDRAM), and protocol bridging on a single die. The 672-ball FineLine BGA provides controlled-impedance signal integrity for high-speed parallel buses. Typical applications include telecommunication line cards, industrial control and automation, networking switches/routers, and ASIC prototyping/emulation. APEX-20KE was widely adopted in mid-2000s designs and remains available as a long-lifecycle part for industrial and military refresh programs. Design consideration: ensure I/O bank supply voltages match the connected logic (3.3 V, 2.5 V, 1.8 V). Add decoupling on every VCCINT/VCCIO pin and verify JTAG chain integrity before in-system programming. This page synthesizes distributor inventory, same-package alternatives, and design context not found in the original datasheet.

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EP20K400EFC672-3N - APEX 20KE 400K FPGA, 488 I/O | Intel / Altera
EP20K400EFC672-3N

EP20K400EFC672-3N - APEX 20KE 400K FPGA, 488 I/O | Intel / Altera

The Intel / Altera EP20K400EFC672-3N is a member of the APEX 20KE family of Field Programmable Gate Arrays (FPGAs) that delivers 400,000 system gates, 16,640 logic elements, and 212,992 bits of embedded RAM in a 672-pin FC-FBGA (Fine-pitch Chip-scale Fine-pitch Ball Grid Array) package. It exposes 488 user I/O pins, supports LVCMOS/LVTTL/LVDS/PCI interfacing, and operates from a 1.71 V to 1.89 V core supply with a propagation delay of 2.5 ns at speed grade -3. A Field-Programmable Gate Array (FPGA) is a type of integrated circuit whose logic fabric, interconnect, and I/O cells can be reconfigured after manufacture by the end user. The APEX 20KE device family introduced Altera's MultiCore architecture, which integrates look-up table (LUT) logic, embedded system blocks (ESBs) for dual-port RAM/ROM, and high-speed I/O on a single die - effectively an early System-on-a-Programmable-Chip (SOPC) platform. Within the broader taxonomy, this places FPGAs under Programmable Logic Devices (PLD) > CPLD/FPGA > Integrated Circuit > Semiconductor. Key feature highlights include the MultiCore architecture combining LUT-based logic with embedded array blocks, 4 PLLs for clock management, True-LVDS support, and a 1.05M-system-gate density ceiling. The device supports in-system programmability via serial configuration and is offered with both commercial (0 °C to +85 °C) and industrial temperature grades. Speed grade -3 is the second-fastest of the APEX 20KE family, with -2, -1, and -X slower options also available. Typical applications for the EP20K400EFC672-3N include high-performance digital signal processing, telecom baseband processing, networking line cards, and embedded control platforms where mid-1990s to early-2000s design ecosystems still remain in service. The combination of substantial embedded memory and abundant I/O makes it well suited for parallel datapath and protocol-bridging designs. When designing with this part, verify the exact package footprint (FC-FBGA-672) against the PCB land pattern and confirm configuration interface voltage compatibility with the selected PROM or processor. Note that the APEX 20KE family has been classified NRND/EOL by Intel in favor of newer Cyclone/Arria series, so lifecycle planning and last-time-buy inventory strategy are critical. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including comparison with related APEX 20KE speed grades and the same-density EFC672 footprint across speed bin -2 and -1.

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EP20K400EFI672-2N - APEX-20K FPGA 16640 LEs 488 I/O FBGA-672 | Altera / Intel
EP20K400EFI672-2N

EP20K400EFI672-2N - APEX-20K FPGA 16640 LEs 488 I/O FBGA-672 | Altera / Intel

The Altera (now Intel) EP20K400EFI672-2N is a member of the APEX-20K® family of CMOS Field-Programmable Gate Arrays (FPGAs), delivering 16,640 logic elements, 212,992 bits of embedded RAM, and 488 user I/O pins in a 672-ball Fine-pitch BGA (FCBGA) package measuring 27 mm x 27 mm. It targets high-density, high-performance glue-logic and co-processing applications in telecom, networking, and DSP acceleration. Operating from a 1.71 V to 1.89 V core supply (VCCINT) and supporting up to 1,052,000 equivalent gates of logic capacity, the EP20K400 integrates 1,664 Logic Array Blocks (LABs) and 488 maximum user I/O pins arranged across multiple I/O banks. An FPGA (Field-Programmable Gate Array) is a type of integrated circuit whose digital logic function is defined after manufacture, allowing designers to program arbitrary combinational and sequential logic using hardware description languages (HDL) such as Verilog or VHDL. FPGAs occupy a position in the digital design hierarchy between fixed-function ASICs (which are cheaper in volume but cannot be modified) and microcontrollers (which run software but offer lower throughput). The APEX-20K family specifically introduced MultiCore™ architecture combining lookup tables (LUTs), embedded memory, and dedicated carry/ cascade chains for arithmetic-intensive designs. Key features of the EP20K400EFI672-2N include the integrated 212,992-bit embedded SRAM distributed across the logic array, four phase-locked loops (PLLs) for clock management, and support for multiple I/O standards including LVTTL, LVCMOS, PCI, and LVDS via configurable I/O banks. The device supports in-system programmability via IEEE 1149.1 (JTAG) and Altera's passive serial/active serial configuration schemes. The industrial-grade operating range of -40 °C to +100 °C junction temperature makes it suitable for harsh-environment embedded systems. Architecturally, the EPEX-20K family combines fine-grained logic elements with embedded memory blocks, allowing true dual-port RAM implementations and FIFOs without consuming logic resources. The device supports multi-voltage I/O operation, allowing 3.3 V, 2.5 V, and 1.8 V interfaces simultaneously across separate I/O banks with level-shifting handled internally. This makes the EP20K400 particularly well-suited for bridging legacy 5 V-tolerant peripherals with modern low-voltage processors on the same board. Typical applications include high-speed data-path bridging, telecommunications line-card glue logic, DSP co-processing front-ends, ATM/SONET framer interfaces, and PCI-to-PCI bridge implementations. The 488 user I/Os make it useful for parallel bus aggregation in legacy industrial control systems and as a pre-processing stage for image or video pipelines. When designing with the EP20K400EFI672-2N, engineers must provide a stable 1.8 V core supply with adequate decoupling and respect the in-rush current profile during configuration. The FCBGA-672 package requires careful PCB stack-up design to route signals out of the dense 1.0 mm pitch ball grid without compromising signal integrity. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives drawn from the Altera APEX-20K family, and practical design notes not aggregated on any single manufacturer or distributor page.

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EP20K400EFI672-2X - 400K-Gate APEX 20KE FPGA, 672-FBGA | Intel
EP20K400EFI672-2X

EP20K400EFI672-2X - 400K-Gate APEX 20KE FPGA, 672-FBGA | Intel

The Intel (formerly Altera) EP20K400EFI672-2X is a member of the APEX 20KE family of Field Programmable Gate Arrays (FPGAs) housed in a 672-ball FineLine BGA (FC-FBGA) package, integrating 400,000 system gates, 16,640 logic elements (LEs) and 212,992 bits of embedded memory, with 488 user I/O pins and a 1.8 V core supply. The device is fabricated on a 0.22 µm CMOS process and supports internal performance up to 223 MHz, making it suitable for high-density system-on-a-programmable-chip (SOPC) designs that combine lookup-table (LUT) logic, embedded array blocks (EABs) and distributed memory in a single MultiCore architecture. An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that allows designers to configure logic resources and interconnects after manufacturing. Within the broader semiconductor taxonomy, FPGAs sit between standard logic ICs and ASICs: more flexible than fixed-function chips but lower per-unit cost than full-custom ASICs at low volumes. The APEX 20KE family specifically introduced MultiCore architecture that pairs fine-grain LUT logic with coarse-grain EAB memory, enabling SOPC integration of processors, memory and I/O on a single programmable fabric. Key features of the EP20K400EFI672-2X include 16,640 logic elements organized into Logic Array Blocks (LABs), 212,992 bits of RAM, 480 LVTTL/LVCMOS-compatible I/O organized into 8 I/O banks, four Phase-Locked Loops (PLLs) for clock management, and support for multiple I/O standards including LVTTL, LVCMOS, PCI and GTL+. The part is specified for the industrial 0 °C to 85 °C operating temperature range with a 1.71 V to 1.89 V core supply tolerance. Technically, the MultiCore architecture allows each logic element to operate as a 4-input LUT, a 16-bit shift register, or a small memory block, while EABs provide up to 2,048 bits each of synchronous dual-port RAM, ROM or content-addressable memory. The four embedded PLLs multiply, divide and phase-shift incoming clocks up to 223 MHz, eliminating off-chip clock generators in many designs. The 672-pin FineLine BGA package is a 27 mm × 27 mm FC-FBGA with 1.27 mm pitch that supports high-speed board designs with controlled-impedance signal paths. Typical applications include telecommunications line cards, industrial control and automation backplanes, high-speed data-acquisition front-ends, military/aerospace signal processing prototypes, and PCI-based I/O expansion cards. The combination of 488 user I/Os and 212,992 bits of embedded memory makes it well suited to designs that previously required a separate controller ASIC plus a discrete logic FPGA. Designers often pair the EP20K400EFI672-2X with external SDRAM and a microprocessor for embedded compute platforms. When designing with this device, allocate at least 20 % of logic utilization as headroom for place-and-route closure, and verify that LVTTL/LVCMOS drive strength is matched to each signal path. Power sequencing requires VCCINT (1.8 V) to ramp before VCCIO to prevent I/O latch-up; consult the APEX 20KE datasheet for the recommended sequencing diagram. The part is in the mature/end-of-life phase of its lifecycle - confirm long-term availability with Intel/Altera distributors before committing to new designs. This page synthesizes distributor pricing, drop-in APEX 20KE alternatives, comparison tables and design notes that are not found in a single datasheet, helping engineers quickly decide whether the EP20K400EFI672-2X fits their high-density programmable-logic application.

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