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EP20K400BI652-2V - 400K Gates APEX 20K FPGA 652-BGA | Intel / Altera
EP20K400BI652-2V

EP20K400BI652-2V - 400K Gates APEX 20K FPGA 652-BGA | Intel / Altera

The Intel (formerly Altera) EP20K400BI652-2V is a member of the APEX 20K family of Field Programmable Gate Arrays (FPGAs), delivering 400,000 system gates with 16,640 logic elements and 212,992 bits of embedded memory in a 652-ball FineLine BGA package. The device provides 502 user I/O pins, operates from a 2.5 V core supply, and uses 0.22 μm CMOS process technology with a MultiCore architecture that integrates look-up table (LUT) logic, embedded system blocks (ESBs) for memory, and a high-speed interconnect fabric. The "-2V" speed grade indicates the industrial-grade temperature range and a 200 MHz internal performance target with approximately 2.5 ns propagation delay through the LUT-based logic elements. An FPGA is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that can be reconfigured by the end user after manufacturing to implement arbitrary digital logic. FPGAs sit hierarchically between standard-cell ASICs (highest performance, highest NRE cost) and CPLDs (lower density, non-volatile), offering the optimal balance of high logic density, parallel processing, hardware-level determinism, and short time-to-market for mid-to-high complexity designs. The APEX 20K family was Altera's first multi-core architecture to combine LUT logic with embedded memory, foreshadowing the modern concept of a system-on-a-programmable-chip (SOPC). Key features include 502 user I/Os with multi-voltage I/O support, on-chip RAM/ROM via ESBs, dedicated clock networks with PLL support, JTAG-compliant boundary-scan testing, and in-system programmability through the IEEE 1149.1 (JTAG) interface or the passive serial configuration port. The device supports PCI, LVDS, SSTL, and GTL+ I/O standards when paired with appropriate external reference voltages. The 652-ball FineLine BGA package provides a compact 35 × 35 mm footprint suitable for high-density PCB designs. Typical applications include telecommunications infrastructure (DSLAM line cards, SONET/SDH framer interface blocks), high-speed data acquisition and DSP preprocessing pipelines, networking switches and routers, industrial control and machine vision backplanes, and embedded computing platforms that require hardware-accelerated co-processing. Designers typically target APEX 20K devices for designs that exceed the logic capacity of CPLDs but do not justify the NRE of an ASIC. When designing with this part, verify that your Quartus II (or legacy MAX+PLUS II) design environment version supports the EP20K400 device family, and confirm PCB layout accommodates the 1.27 mm BGA pitch with proper via-in-pad or dog-bone fanout. Power sequencing of the 2.5 V VCCINT and VCCIO rails should follow Altera's application note AN-117 to avoid hot-socket damage. Long-term supply is constrained because the APEX 20K family is now in the mature/legacy lifecycle phase.

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EP20K400CB652C7ES - APEX 20KC 400K Gates FPGA | Altera
EP20K400CB652C7ES

EP20K400CB652C7ES - APEX 20KC 400K Gates FPGA | Altera

The Altera EP20K400CB652C7ES is a high-density programmable logic device from the APEX 20KC family, delivering 400,000 system gates and 16,640 logic elements in a 652-ball plastic/epoxy BGA package (S-PBGA-B652). Built on a 0.15 µm process technology, this device operates from a 1.8 V core supply and supports propagation delays as low as 1.4 ns with internal performance up to 375.94 MHz (maximum clock frequency 1666.6 MHz per marketing literature). It provides 484 I/O lines, 488 total inputs, and 484 dedicated outputs for high-bandwidth parallel interconnect. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be reconfigured by the customer after manufacture to implement arbitrary digital logic. The APEX 20KC family belongs to the broader taxonomy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. APEX 20KC devices combine look-up table (LUT) based logic elements with embedded dual-port RAM blocks, providing a flexible platform for ASIC prototyping, glue logic, and high-speed datapath design. Key features include 488 inputs, 484 I/O lines, 16640 logic cells, 1.4 ns propagation delay, 375.94 MHz internal performance, 1.8 V core voltage, surface-mount 652-BGA packaging, and the C7 speed grade. The device supports in-system programmability via the IEEE 1149.1 (JTAG) interface and configuration via the Altera passive serial or passive parallel modes, allowing engineers to reflash the bitstream through ByteBlaster or MasterBlaster cables. The APEX 20KC architecture integrates multi-level interconnect (FastTrack) that connects logic elements and embedded array blocks (EABs) with predictable timing. Each logic element contains a 4-input LUT, a programmable register, and carry chain logic, while each EAB provides up to 2,048 bits of dual-port RAM, suitable for FIFO and small cache applications. Typical applications include telecommunications line cards, industrial automation controllers, ASIC prototyping, high-speed image processing pipelines, and DSP preprocessing front-ends. The high I/O count also suits memory-controller and bus-bridge designs. When designing with this legacy BGA, ensure 4-layer PCB stack-up with continuous ground plane for thermal dissipation, controlled-impedance traces for LVTTL/LVCMOS I/O, and JTAG test access at the board edge for boundary-scan compliance.

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EP20K400CB652C7N - 400K-Gate APEX 20KC FPGA | Intel (Altera)
EP20K400CB652C7N

EP20K400CB652C7N - 400K-Gate APEX 20KC FPGA | Intel (Altera)

The Intel (formerly Altera) EP20K400CB652C7N is a high-density APEX 20KC family programmable logic device (PLD) fabricated on a 0.15-micron all-layer copper-metal process, integrating 400,000 system gates and 16,640 logic elements into a 652-ball plastic BGA (PBGA652) package. It belongs to Altera's MultiCore architecture that combines look-up table (LUT) logic with embedded memory blocks, delivering system-on-a-programmable-chip (SOPC) integration for high-performance, low-power designs. A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor containing configurable logic blocks, programmable interconnects, and dedicated memory/DSP blocks. APEX 20KC devices sit within the broader taxonomy: PLD -> FPGA -> high-density SRAM-based FPGA -> APEX family -> APEX 20KC generation. This device is engineered for data-path and DSP-heavy designs that require embedded memory alongside general-purpose logic. Key features include 502 user I/Os, 1.48 ns pin-to-pin propagation delay (per Microchip USA listing), 2.5 ns internal logic delay (per DigChip specification), and core supply voltage of 1.8 V (VCCINT) with 2.5 V I/O supply (VCCIO). The device supports up to 375.94 MHz operation (per Jotrin listing) and is pin-compatible with the lower-cost APEX 20KE series while offering 25-35% faster design performance, thanks to the all-layer copper interconnect. Architecturally, the APEX 20KC combines MegaLAB structures containing multiple Logic Array Blocks (LABs), embedded system blocks (ESBs) for RAM/ROM/CAM, and FastTrack interconnect. The 0.15-micron copper process lowers interconnect resistance and capacitance versus aluminium metallization, reducing dynamic power and improving timing margins. Embedded memory and dedicated carry chains simplify DSP and datapath implementation. Typical applications include telecommunications infrastructure (line cards, protocol bridges), high-speed data acquisition systems, DSP co-processing, network switching equipment, and industrial imaging/medical imaging front-ends. The 502 user I/Os make it suitable for bus-intensive designs that require wide external memory or multiple parallel data streams. When designing with this part, note that configuration data must be loaded from external PROMs (EPC devices such as EPC2 or EPC16) at every power-up because the SRAM configuration cells are volatile. Designers must also respect the APEX 20KC I/O standard rules and provide proper decoupling across VCCINT and VCCIO planes.

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EP20K400CB652C8N - APEX 20KC 400K Gates FPGA BGA-652 | Intel
EP20K400CB652C8N

EP20K400CB652C8N - APEX 20KC 400K Gates FPGA BGA-652 | Intel

The Intel (formerly Altera) EP20K400CB652C8N is a high-density APEX 20KC family FPGA delivering 400,000 system gates with 16,640 logic elements (LEs) in a 652-pin BGA package, fabricated on a 0.15-micron all-layer copper-metal process. The device operates from a nominal 1.8 V core supply (1.71 V to 1.89 V), supports 502 user I/O pins, and offers 488 programmable I/O lines with 484 inputs and 480 outputs for high-bandwidth parallel interfaces. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that combines configurable logic blocks (LUTs), embedded memory, and programmable interconnect into a single semiconductor die. Within the broader taxonomy, the EP20K400CB652C8N sits as: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit. The APEX 20KC family introduced MultiCore architecture integrating look-up table (LUT) logic with embedded system blocks, enabling system-on-a-programmable-chip (SOPC) integration supporting PCI Local Bus 2.2 at 33/66 MHz and external DDR SDRAM / ZBT SRAM memories. Key features include 25-35% higher design performance versus the APEX 20KE predecessor, pin-compatible migration from APEX 20KE devices, embedded memory blocks, and a high-performance low-power copper interconnect. The 652-ball BGA package supports up to 488 I/O lines enabling wide parallel buses, and the 2.5 ns propagation delay combined with 301.21 MHz internal operation delivers deterministic timing for high-throughput datapaths. The EP20K400CB652C8N implements a MultiCore architecture that combines four-input LUT logic with embedded system blocks (ESBs) usable as dual-port RAM, ROM, or content-addressable memory. The 0.15-micron copper process reduces interconnect resistance, improving timing closure and lowering power dissipation compared to aluminum-interconnect predecessors. Combined with 502 user I/Os, this architecture targets bandwidth-bound applications such as telecom line cards and custom processor peripherals. Typical applications include high-speed data acquisition front-ends, telecom protocol bridges (UTOPIA, POS-PHY), custom PCI bus interfaces, DDR SDRAM controllers, and legacy industrial control processors. The wide I/O count and embedded memory also make this part suitable for image processing pipelines and protocol-conversion ASIC replacements in long-lifecycle defense and medical equipment. When designing with this part, engineers should use the legacy Altera Quartus II design software (versions 9.0 and earlier support APEX 20KC) since the family predates Intel Quartus Prime. Verify JTAG chain configuration carefully because APEX 20KC uses 2.5 V I/O rather than modern 1.8/1.5 V standards. PCB layout must allocate ground-return vias beneath the BGA to maintain signal-integrity on the 488 I/O lines. This page synthesizes distributor pricing, same-package drop-in alternatives from the Site MPN list, comparison parameters, and practical design notes not aggregated on the manufacturer datasheet, helping engineers select and qualify long-lifecycle APEX 20KC designs.

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EP20K400CB652C9 - APEX 20KC FPGA 400K Gates 652-BGA | Intel
EP20K400CB652C9

EP20K400CB652C9 - APEX 20KC FPGA 400K Gates 652-BGA | Intel

The Intel (formerly Altera) EP20K400CB652C9 is a high-density APEX 20KC programmable logic device integrating 400,000 gates, 16,640 logic elements, and 488 user I/Os in a 652-pin BGA package. It is built on a 0.15 µm CMOS process with a 1.8 V core supply and operates at internal clock rates up to 250 MHz, targeting high-performance system-on-a-programmable-chip (SOPC) designs. The device is housed in a 45 × 45 mm BGA-652 with 1.27 mm ball pitch, suitable for high-density, multi-layer PCB designs. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit built from an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated I/O and memory resources. FPGAs sit within the broader taxonomy of programmable logic devices (PLDs), alongside CPLDs (Complex PLDs) and SPLDs (Simple PLDs), and are widely used for digital signal processing, glue logic, prototyping, and ASIC replacement. The APEX 20K series introduced MultiCore™ architecture that combines look-up-table (LUT) logic with embedded memory blocks (ESBs), enabling single-chip implementation of logic, memory, and specialty functions. Key features of the EP20K400CB652C9 include 16,640 logic elements, embedded system blocks (ESBs) for on-chip memory, MultiVolt™ I/O support for interfacing with 1.8 V, 2.5 V, 3.3 V, and 5 V systems, and four phase-locked loops (PLLs) for clock management. Signal Integrity supports hot-socketing and PCI-compliant I/O, and the device is rated for commercial temperature operation (0 °C to 85 °C). Architecturally, the APEX 20K family uses a hierarchical MegaLAB™ structure that groups 16 Logic Array Blocks (LABs) plus one ESB, simplifying timing closure and providing predictable performance for designs above 100K gates. The 0.15 µm process and 1.8 V core reduce dynamic power relative to older APEX 20KE/20K devices operating at higher voltages. Typical applications include high-speed communication backplanes, telecommunications switching, DSP co-processing, system-on-chip prototyping, and PCI bridge designs where 488 user I/Os and high logic density are required. The wide I/O count also makes it suitable for memory-controller hubs and ASIC prototyping platforms. When designing with this device, use the legacy Altera Quartus II design software (or the Quartus Prime legacy support path) for synthesis, place-and-route, and timing closure; modern Quartus releases retain APEX 20K device support. Ensure PCB layout accommodates the 1.27 mm BGA pitch, with controlled-impedance routing and matched-length clocks for high-speed interfaces. This page synthesizes distributor pricing, drop-in BGA-652 alternatives within the APEX 20K family, and practical design notes not consolidated in the manufacturer datasheet alone.

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EP20K400CB652C9ES - 400K Gates APEX 20KC FPGA | Intel (Altera)
EP20K400CB652C9ES

EP20K400CB652C9ES - 400K Gates APEX 20KC FPGA | Intel (Altera)

The Intel (formerly Altera) EP20K400CB652C9ES is a high-density APEX 20KC family FPGA delivering 400,000 system gates and 16,640 logic elements in a 652-ball BGA package. Built on a 0.15 µm CMOS process, it operates from a 1.8 V core supply and is specified for commercial temperature grades with a maximum internal frequency of 250 MHz. An FPGA (Field-Programmable Gate Array) is a semiconductor IC containing an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that engineers can program in-circuit to implement arbitrary digital logic. FPGAs sit in the broader taxonomy of programmable logic devices (PLDs) and are commonly positioned between discrete logic ICs and fixed-function ASICs in terms of flexibility, density, and per-unit cost. The APEX 20KC family specifically targets high-performance, high-bandwidth designs that combine lookup-table (LUT) logic with embedded memory and LVDS-capable I/O. Key features of the EP20K400CB652C9ES include 212,992 bits of embedded memory, 488 user I/Os, support for multiple I/O standards including LVDS, and in-system programmability via the IEEE 1149.1 JTAG interface. The device integrates a four-phase PLL for clock management and provides hot-socketing capability for line-card applications. Compared with the older APEX 20K family, the 20KC variants offer roughly 2x density and improved signal integrity at high toggle rates. The EP20K400CB652C9ES is widely used in telecommunications line cards, data-acquisition and signal-processing front ends, industrial control, and high-speed prototyping. Its combination of high gate count and LVDS I/O makes it especially well suited for parallel bus bridging, serializer/deserializer (SerDes) glue logic, and custom coprocessors in imaging and test equipment. Designers should note that the EP20K400CB652C9ES is a mature, second-generation APEX part and is now considered legacy hardware. Altera's Quartus II design tool (version 5.1 or earlier) is required for compilation, and a 1.8 V core regulator with proper decoupling is mandatory for stable operation. This page synthesizes distributor stock data, drop-in pin-compatible alternatives, and practical design notes for engineers maintaining or replicating legacy APEX 20KC designs - information that is not consolidated in any single source.

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EP20K400CB652C9N - APEX 20KC FPGA 400K Gates BGA-652 | Intel
EP20K400CB652C9N

EP20K400CB652C9N - APEX 20KC FPGA 400K Gates BGA-652 | Intel

The Intel (formerly Altera) EP20K400CB652C9N is a high-density programmable logic device from the APEX 20KC family, integrating 400,000 system gates, 16,640 logic elements, and 250,000 bits of embedded memory in a 652-ball BGA package. It is fabricated on a 0.15 µm all-layer copper-metal CMOS process and pairs MultiCore architecture (LUT-based logic plus embedded system blocks) with up to 502 user I/Os, making it one of the densest single-chip SOPC (system-on-a-programmable-chip) platforms of its generation. What is an FPGA? An FPGA (Field-Programmable Gate Array) is a semiconductor IC containing configurable logic blocks, routing channels, and I/O cells that the user programs after manufacture, implementing arbitrary digital circuits without an ASIC tape-out. APEX 20KC is the high-density copper-interconnect revision of the APEX 20K family; it sits in the taxonomy: programmable logic device (PLD) -> complex PLD (CPLD) / FPGA -> SOPC-class FPGA. APEX 20KC devices are pin-compatible with APEX 20KE predecessors and target embedded compute, telecom, and DSP front-end designs where integration and I/O density matter more than absolute clock rate. Key features include a 250 MHz internal performance, 2 ns propagation delay, 488 I/O pins (502 user pins per datasheet variant), a MultiCore architecture combining lookup-table logic with embedded memory blocks, and high-performance low-power copper interconnect. The part supports in-system programmability through IEEE 1149.1 JTAG and is delivered in a 1.8 V core, 2.5 V I/O supply configuration. Architecturally, EP20K400CB652C9N combines MegaLAB structures (16 logic elements per LAB, grouped into 26 LABs per MegaLAB) with embedded system blocks for true-dual-port RAM, content-addressable memory, ROM, and FIFO functions. The copper-interconnect 0.15 µm process improves performance by 25-35% over APEX 20KE devices at comparable power, enabling 250 MHz system clock designs. Typical applications include telecommunications line cards, DSP data-path acceleration, high-speed image processing, network routers and switches, and embedded control systems. The 652-ball BGA footprint suits multi-layer PCB designs requiring maximum logic density on a single board. When designing with this device, observe strict power-plane decoupling on each VCCINT/VCCIO pin pair, respect the JTAG chain topology, and use the Quartus II (or MAX+PLUS II legacy) tool flow. Note that APEX 20KC is a mature node - confirm long-term availability before new production designs. This page synthesizes distributor pricing, same-brand APEX 20KC drop-in alternatives, and practical design notes not consolidated on any single manufacturer or distributor page.

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EP20K400CB652I7 - 400K Gate APEX 20KC FPGA | Altera | BGA-652
EP20K400CB652I7

EP20K400CB652I7 - 400K Gate APEX 20KC FPGA | Altera | BGA-652

The Intel (formerly Altera) EP20K400CB652I7 is a high-density field-programmable gate array (FPGA) from the APEX 20KC family, integrating 400,000 system gates and 16,640 logic elements in a 652-ball fine-pitch BGA package. The device uses a 0.15 µm CMOS process, supports a 1.8 V core supply with 1.8/3.3 V I/O, and operates up to 375.94 MHz on internal logic. Per the verified datasheet summary, it is housed in a square BGA-652 with JESD-30 code S-PBGA-B652. An FPGA (Field-Programmable Gate Array) is a class of programmable logic device that lets designers configure arbitrary digital logic through SRAM-based configuration memory. FPGAs sit in the broader taxonomy of digital ICs > programmable logic > programmable logic device (PLD) > FPGA, and they compete with CPLDs and structured ASICs. The APEX 20KC family combines look-up-table (LUT)-based logic with embedded memory blocks (ESBs) and a MultiCore interconnect, enabling system-on-a-chip integration for glue logic, bus interfaces, DSP preprocessing, and high-speed I/O bridging. Key features of the EP20K400CB652I7 include: 16,640 logic elements, 400K typical gates, embedded system blocks (ESBs) configurable as dual-port RAM/FIFO/CAM, multi-standard I/O support, dedicated clock management circuitry, and JTAG-based in-system programmability (ISP). The 'I7' speed grade and 'I' industrial temperature suffix make it suitable for -40 °C to +100 °C operation, while the BGA-652 footprint delivers high signal density for data-path-heavy designs. Architecturally, the APEX 20KC family introduced a hierarchical MegaLAB structure grouping 16 Logic Elements (LEs) with one ESB, providing predictable timing and efficient silicon utilization for register-rich designs. The MultiCore interconnect allows deterministic routing across the die, simplifying static timing closure compared with older symmetric-array FPGAs. Typical applications include telecommunications line cards, industrial control and instrumentation, military/aerospace signal processing, high-speed data acquisition front-ends, and legacy replacement of ASICs where NRE cost is prohibitive. The 652-ball BGA also supports prototyping for ASIC emulation. When designing with this part, allocate sufficient PCB layers (>=6) for BGA fan-out and controlled-impedance routing; verify that your Quartus/MAX+PLUS II toolchain still supports the device, as the APEX 20KC family reached end-of-life and is now serviced through Intel's FPGA legacy support programs rather than active new design-ins. This page synthesizes distributor stock data, cross-validated BGA-652 footprint alternatives, lifecycle status, and legacy replacement notes not found in the original datasheet PDF.

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EP20K400CB652I8ES - 400K Gates APEX-20KC FPGA | Intel / Altera
EP20K400CB652I8ES

EP20K400CB652I8ES - 400K Gates APEX-20KC FPGA | Intel / Altera

The Intel (formerly Altera) EP20K400CB652I8ES is a high-performance APEX-20KC FPGA delivering 400K system gates, 16640 logic elements, and 488 programmable I/O pins in a 652-ball BGA package. Built on a 0.15 µm CMOS process, this device operates from a 1.8 V core supply and supports the APEX 20KC family architecture, which combines Look-Up Table (LUT) logic with embedded CAM (Content-Addressable Memory) blocks for high-density data-path applications. An FPGA (Field-Programmable Gate Array) is a reprogrammable integrated circuit whose logic function is defined after manufacturing through a configuration bitstream, sitting in the broader taxonomy of programmable logic devices (PLD -> CPLD/FPGA -> SRAM-based FPGA). APEX-20KC devices extend basic FPGA fabric with MultiCore interconnect and embedded CAM, enabling applications such as ATM switching, PCI bridging, and high-speed data routing that previously required discrete ASICs. Key features of the EP20K400CB652I8ES include 16640 logic elements organized into 1664 Logic Array Blocks (LABs), 212,992 bits of embedded SRAM (approximately 26 KB distributed across the fabric), 488 user I/O pins, and an industrial-grade temperature range of -40 °C to +100 °C. The device supports JTAG-based configuration via the IEEE 1149.1 boundary-scan interface and uses the APEX MultiCore interconnect for predictable timing across high-fanout nets. The APEX-20KC architecture combines a fine-grained LUT fabric with MegaLAB columns, allowing integration of wide datapath functions alongside random logic. With 488 user I/Os available on the CB652 BGA, designers can support multiple parallel bus interfaces (e.g., 64-bit PCI at 66 MHz plus a separate memory channel) on a single device. The device family supports densities from 100K to 1500K gates, with the EP20K400 sitting in the upper-middle range. Typical applications for the EP20K400CB652I8ES include telecommunications line cards, ATM packet processors, custom PCI/PCI-X bus bridges, network switches and routers, digital signal processing front-ends, and industrial control systems. Its high I/O count makes it especially suitable for multi-protocol interface bridging and parallel data-acquisition systems. When designing with this device, observe Altera (now Intel PSG) configuration guidelines: drive nCONFIG low to initiate configuration, use a 100 µF decoupling cap array distributed across the I/O banks, and respect the simultaneous-switching output (SSO) budget of the 652-ball BGA. This page synthesizes distributor inventory, drop-in speed/pinout variants, and packaging options not present in the original 652-BGA datasheet excerpt.

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EP20K400CB652I8N - 400K Gate APEX 20KC FPGA BGA-652 | Altera
EP20K400CB652I8N

EP20K400CB652I8N - 400K Gate APEX 20KC FPGA BGA-652 | Altera

The Altera (now Intel) EP20K400CB652I8N is a member of the APEX 20KC family of FPGAs, delivering up to 400,000 system gates and 16,640 logic elements in a 652-pin BGA package. It is fabricated on a 0.15 µm CMOS process and operates from a 1.8 V core supply with multi-voltage I/O support. The device supports a maximum internal frequency of 301.21 MHz, making it suitable for high-performance logic, DSP, and data-path designs. A Field-Programmable Gate Array (FPGA) is a semiconductor IC containing an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated hard IP such as block RAM, PLLs, and I/O serdes. FPGAs sit in the broader taxonomy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. The APEX 20KC family specifically targets high-density, system-on-a-chip (SoC) integration by combining LUT-based logic with embedded memory and a fast MultiCore interconnect. Key features include 16,640 logic elements, 1664 macrocells, 488 user I/O pins, embedded system blocks (ESBs) for dual-port RAM, ROM, or CAM, and four phase-locked loops (PLLs) for clock management. The device supports LVTTL, LVCMOS, SSTL, HSTL, and differential I/O standards through its MultiVolt I/O architecture, allowing 1.5 V, 1.8 V, 2.5 V, and 3.3 V interfacing from a single 1.8 V core. Architecturally, the APEX 20KC uses a four-input LUT combined with adjacent ESBs that can be configured as 4 Kbit dual-port RAM blocks. The MultiCore interconnect delivers predictable timing across the device, while the four PLLs support frequency synthesis, phase shifting, and clock de-skew across up to eight clock domains per quadrant. Typical applications include telecom line cards, high-speed data acquisition, ASIC prototyping, glue logic for microprocessor-based systems, and industrial control. Designers use the Altera Quartus II design suite (version supporting APEX 20KC) to compile and configure the device via JTAG or passive serial. When designing with this part, ensure proper decoupling on each power pin pair, place the JTAG header within 50 mm of the TDI/TMS pins, and use controlled-impedance traces on high-speed LVDS pairs. The 1.8 V core and selectable I/O voltage require careful power-sequencing to avoid latch-up during board bring-up. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical PCB design notes for sourcing and second-sourcing the EP20K400CB652I8N - information not aggregated on any single distributor page.

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EP20K400CB652I9 - APEX 20KC 400K Gates FPGA | Intel / Altera
EP20K400CB652I9

EP20K400CB652I9 - APEX 20KC 400K Gates FPGA | Intel / Altera

The Intel (formerly Altera) EP20K400CB652I9 is a high-density APEX 20KC family FPGA delivering 400,000 system gates and 16,640 logic elements in a 652-pin LBGA (Ball Grid Array) package. Built on a 0.15 um CMOS process and operating at 1.8 V core with multi-voltage I/O support, this industrial-temperature device (-40C to +85C, indicated by the 'I' suffix) provides up to 488 user I/O pins for high-bandwidth parallel interfaces. According to manufacturer catalog data, the part is specified for a maximum clock frequency of 250 MHz, making it suitable for telecommunications, video processing, and embedded control applications. Background Knowledge: An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that allows hardware designers to implement custom digital circuits after manufacturing. FPGAs belong to the broader category of programmable logic devices, which sit hierarchically under integrated circuits and semiconductors. The APEX 20KC family is a second-generation APEX architecture from Altera that combines logic elements, embedded system blocks (ESBs) for memory and dual-port RAM, and high-speed I/O elements on a single die. The 'K' suffix denotes enhanced multi-core interconnect and on-chip memory resources compared with the original APEX 20K family. Key features include 16,640 logic elements, 212,992 bits of embedded memory distributed across embedded system blocks, and support for LVTTL, LVCMOS, PCI, SSTL, and GTL+ I/O standards. The 652-ball LBGA package has a seated height of 1.63 mm and supports high-density board layouts with controlled-impedance signal routing. The 'I9' speed grade provides a balance between cost and performance for industrial-grade designs, with -1 being the fastest and -3 the slowest within the same speed-grade family. Technical depth: the APEX 20KC architecture combines four-input look-up tables (LUTs) with embedded system blocks that can be configured as dual-port RAM, single-port RAM, ROM, or content-addressable memory. The MultiCore interconnect uses a hierarchical row/column structure that delivers predictable timing closure for high-utilization designs. The 1.8 V core reduces dynamic power versus 2.5 V predecessors, while I/O banks operate independently from 1.5 V to 3.3 V for mixed-voltage system integration. Typical applications include digital signal processing front-ends, telecommunications channel cards, video broadcast equipment, and embedded processor peripherals. The 488 I/O count makes the part particularly attractive for parallel bus architectures and high-throughput memory interfaces. Design consideration: when laying out the LBGA-652 footprint, designers should allocate a minimum of six PCB layers with dedicated power and ground planes to suppress simultaneous-switching noise on the 488 I/O banks. Decoupling must include both bulk and high-frequency capacitors placed within 5 mm of each power-ball cluster. This page synthesizes distributor availability, drop-in same-package alternatives from the same Altera/Intel APEX 20K family, and practical design notes that go beyond the manufacturer datasheet.

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EP20K400CF672C-7 - 400K Gate APEX 20KC FPGA, 672-BGA | Altera
EP20K400CF672C-7

EP20K400CF672C-7 - 400K Gate APEX 20KC FPGA, 672-BGA | Altera

The Altera EP20K400CF672C-7 is a 400,000-gate APEX 20KC Field Programmable Gate Array (FPGA) with 16,640 logic elements, 212,992 bits of embedded memory, and 488 user I/O pins, housed in a 672-pin FineLine BGA package. Built on a 0.15 µm CMOS process and operating from a 1.8 V core supply, it targets speed grade -7 (commercial) and supports PCI 2.2 at 33/66 MHz with 32/64-bit width for high-performance bus interfacing. The device includes 4 PLLs, MultiVolt I/O supporting 1.8 V/2.5 V/3.3 V interfacing, and embedded CAM blocks for high-speed address lookup, while LVDS support enables gigabit-rate serial links. An FPGA (Field Programmable Gate Array) is a reprogrammable digital logic device whose logic cells, routing, and I/O are configured by a configuration bitstream rather than hardwired. APEX 20KC belongs to the APEX 20K family (1999-2003 generation), which occupies the high-density end of the SRAM-based FPGA taxonomy: logic cell array -> PLD/FPGA -> programmable logic -> digital IC -> semiconductor. The 20KC variant added 2.5 V PCI compliance and a faster interconnect fabric versus 20K, while retaining the same Quartus-compatible design flow and Look-Up Table (LUT)-based Logic Element (LE) architecture. Key specifications include 16,640 logic elements, 212,992 RAM bits, 488 maximum user I/O pins, 4 phase-locked loops, and 1.8 V core VCCINT with MultiVolt I/O supporting 1.8 V, 2.5 V, and 3.3 V interfaces. The 672-BGA package exposes 8 dedicated clock pins, 8 dedicated inputs, and a JTAG boundary-scan port. APEX 20KC devices are configured via passive serial (PS), passive parallel asynchronous (PPA), passive parallel synchronous (PPS), or JTAG modes using an EPC configuration device or a microprocessor. Hot-socketing and Power-On-Reset (POR) sequencing are supported. Typical applications span telecommunication line cards, PCI 64-bit/66 MHz bridge designs, high-speed DSP co-processing, network packet classification using CAM, and legacy industrial control where MultiVolt I/O bridges 5 V system logic to 3.3 V or 2.5 V PHYs. The part is rated for commercial temperature (0 °C to +85 °C junction). Please refer to the manufacturer datasheet for full electrical characteristics and AC timing. When designing with EP20K400CF672C-7, observe MultiVolt I/O bank power sequencing: VCCIO banks must ramp before or simultaneously with VCCINT to avoid latch-up; otherwise POR may be indeterminate. Reserve at least 4 user I/O for the JTAG chain if in-system programmability is required, and verify the 672-BGA escape allows adequate fan-out for the 488 signal pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer datasheet, enabling faster design-in decisions for engineers working with this legacy Altera / Intel FPGA family.

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EP20K400CF672C-7ES - 400K Gates APEX 20KC FPGA | Altera | 672-BGA
EP20K400CF672C-7ES

EP20K400CF672C-7ES - 400K Gates APEX 20KC FPGA | Altera | 672-BGA

The Altera EP20K400CF672C-7ES is a member of the APEX 20KC family of field-programmable gate arrays, integrating 400,000 system gates, 16,640 logic elements, and 212,992 bits of embedded memory in a 672-ball FineLine BGA package. Speed grade -7 (commercial, 0 to 85 C) is offered here, with a maximum internal clock frequency around 375 MHz, four PLLs, and 488 user I/O pins. The device operates from a 1.8 V core supply and is built on a 0.15 um CMOS process. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit that can be configured by the customer after manufacturing to implement arbitrary digital logic. Within the programmable-logic hierarchy, FPGAs sit above CPLDs and gate arrays in density and below ASICs in per-unit cost, while delivering reconfigurable logic, embedded memory blocks (here, embedded array blocks / EABs), and DSP-friendly carry chains. The APEX 20KC family introduced 2.5 V LVDS I/O support, embedded CAM blocks, and a MultiCore architecture combining logic elements (LEs) with embedded array blocks (EABs) for true dual-port RAM and product-term logic. Key features include in-system programmability via Altera EPC16 / EPC8 / EPC4 / EPC2 / EPC1 configuration devices, four phase-locked loops for clock multiplication and skew management, 32 Kbytes of distributed RAM, and built-in boundary-scan (IEEE 1149.1 JTAG). The FineLine BGA package at 1.00 mm pitch supports high-density board layouts while enabling fine-pitch probing and rework. Industrial temperature variants and faster speed grades (up to -8) are also available within the same EP20K400 silicon family. The APEX 20KC architecture combines a fine-grained logic-element fabric with coarse-grained embedded array blocks (each EAB providing up to 2 Kbits of RAM or 16 product-term logic blocks). This dual-grain architecture makes EP20K400 well suited to datapath-heavy designs where the EABs can be configured as FIFO, dual-port RAM, or ROM, while LEs handle the surrounding state machines and glue logic. PLLs allow designers to multiply, divide, and phase-shift incoming clocks; JTAG support simplifies board-level testing. Typical applications include telecommunication line cards, ASIC prototyping, high-speed DSP datapath front ends, video and image processing pipelines, industrial control and factory automation, and pre-silicon validation of SoC designs. The 488 user I/Os are particularly useful where many buses, memory interfaces, or serializer / deserializer channels need to be brought off-chip simultaneously. When designing with this part, place decoupling capacitors as close as possible to every VCCINT and VCCIO pin pair, and follow Altera's recommended 4-layer PCB stack-up to keep the 1.00 mm-pitch BGA routable. Use the Quartus II (or MAX+PLUS II) toolchain with an Altera programming cable or EPC configuration device to load the bitstream. This page consolidates distributor pricing, same-family drop-in alternatives (speed-grade, package, and logic-density variants), and practical design notes that complement - rather than duplicate - the official Altera datasheet.

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EP20K400CF672C-8 - APEX 20K 400K Gates FPGA, 672-BGA | Altera
EP20K400CF672C-8

EP20K400CF672C-8 - APEX 20K 400K Gates FPGA, 672-BGA | Altera

The Altera EP20K400CF672C-8 is a high-density programmable logic device (PLD) from the APEX 20K family, built on a 0.15 µm all-layer copper-metal fabrication process and housed in a 672-ball FineLine BGA package (PBGA-672, 27 x 27 mm, 1.0 mm pitch). It integrates 16,640 logic elements / 1,664 Macros and provides 488 user I/O, 1.78 ns pin-to-pin delay, and 1.8 V core supply (range 1.71 V to 1.89 V) for high-performance, low-power system designs. An FPGA (Field-Programmable Gate Array) is a programmable logic device category sitting under the broader hierarchy: programmable logic -> logic IC -> integrated circuit -> semiconductor. APEX 20K devices belong to the MultiCore architecture family, integrating look-up table (LUT) logic with embedded system blocks (ESBs) that combine dedicated RAM, ROM, and content-addressable memory functions on a single die. They are pin-compatible with the APEX 20KE series and deliver 25 to 35 percent faster design performance than APEX 20KE predecessors. Key features of the EP20K400CF672C-8 include 400,000 typical gates, 1664 Macros, 488 I/O lines, 1.78 ns worst-case pin-to-pin combinatorial delay (speed grade -8), and 1.8 V core supply with commercial (C) temperature grade (0 °C to 85 °C). The device supports in-system programmability via the IEEE 1149.1 JTAG interface, configuration via passive serial, passive parallel asynchronous, and passive parallel synchronous modes, and is supported by the Altera Quartus and MAX+PLUS II design suites. Architecturally, the MultiCore structure combines distributed LUT-based logic with columnar embedded system blocks. Each ESB can be configured as a 4096-bit RAM block, a ROM, or a CAM, providing flexible on-chip memory for high-bandwidth datapaths without sacrificing logic resources. The high copper interconnect metal stack reduces RC delay, enabling the 1.78 ns propagation performance at the -8 speed grade. Typical applications for the EP20K400CF672C-8 include telecom line-card interface logic, high-speed DSP co-processing glue logic, industrial imaging preprocessing pipelines, and ASIC prototyping where 400K gates of programmable logic is required on a single die. Its 488 I/O make it well suited to parallel bus aggregation and data-format conversion roles. When designing with this device, observe that the EP20K400CF672C-8 is now in an obsolete / last-time-buy lifecycle per industry catalogs; designers of new products should evaluate modern Cyclone or Stratix equivalents. Always observe JTAG configuration timing and decoupling requirements in the manufacturer datasheet. This page synthesizes distributor pricing, same-family drop-in alternatives from the Altera APEX 20K catalog, lifecycle status, and practical design guidance not consolidated in any single distributor product page.

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EP20K400CF672C7 - APEX 20KC FPGA, 400K Gates, 672-BGA | Intel
EP20K400CF672C7

EP20K400CF672C7 - APEX 20KC FPGA, 400K Gates, 672-BGA | Intel

The Intel (formerly Altera) EP20K400CF672C7 is a member of the APEX 20KC family of Field-Programmable Gate Arrays, delivering up to 400,000 system gates in a 672-ball FineLine BGA package. Built on a 0.15 µm CMOS process with 1.8 V core supply, the device integrates 16,640 logic elements (LEs), 212,992 bits of embedded memory, and 488 user I/O pins for high-density programmable logic designs. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory, programmable interconnect, and I/O cells, all controlled by a user-defined bitstream. In the system hierarchy, FPGAs sit between general-purpose processors and fixed-function ASICs - offering hardware-level parallelism and design flexibility while consuming more power than purpose-built ASICs. The APEX 20KC family further extends this concept with MultiCore™ architecture combining look-up-table (LUT) logic with embedded system blocks (ESBs) that double as RAM, ROM, or content-addressable memory. Key features of the EP20K400CF672C7 include 488 maximum user I/Os, 212,992 RAM bits, 2.5 ns pin-to-pin propagation delay, and up to 375.94 MHz internal operation. The 672-ball FineLine BGA package supports high-speed signal integrity for parallel buses, LVDS, and DDR memory interfaces, while the speed grade "-7" represents the mid-tier (commercial 0 °C to 85 °C) timing bin. The device also integrates 4 phase-locked loops (PLLs) for clock management and supports multi-voltage I/O standards including LVTTL, LVCMOS, PCI, SSTL, and LVDS. The APEX 20KC architecture combines a fine-grained LUT fabric with coarse-grained embedded system blocks (ESBs), giving designers a flexible mix of distributed and block memory alongside high-speed parallel logic. This MultiCore™ approach was Altera's first SOPC-integrated PLD family, enabling single-chip processor-plus-logic subsystems using soft cores such as Nios®, Excalibur, or third-party IP. The 0.15 µm process technology balances density and power efficiency for the era's leading-edge telecom, networking, and DSP applications. Typical applications include high-speed telecommunications backplanes, ASIC prototyping, DSP co-processors, parallel data acquisition, and bus-interface bridging. Designers choose the EP20K400CF672C7 when designs need hundreds of thousands of gates with abundant block RAM, sub-3 ns tPD, and abundant user I/O for parallel interfaces. When designing with this FPGA, budget power carefully: a fully utilized EP20K400CF672C7 can exceed 3 W dynamic dissipation, requiring controlled-impedance PCB routing, solid ground/power planes, and thermal management of the BGA substrate. Verify Quartus® II (or Max+Plus® II legacy) bitstream compatibility before board bring-up. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the APEX 20KC datasheet - giving engineers a single reference for sourcing, replacement selection, and design-in guidance for legacy Altera APEX platforms.

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EP20K400CF672C7ES - APEX 20KC FPGA, 400K Gates, 672-FBGA | Altera
EP20K400CF672C7ES

EP20K400CF672C7ES - APEX 20KC FPGA, 400K Gates, 672-FBGA | Altera

The Altera EP20K400CF672C7ES is a member of the APEX 20KC family of Loadable PLDs (programmable logic devices), delivering 400,000 system gates, 16,640 logic elements, and 212,992 bits of embedded memory in a 672-ball FineLine BGA package. Built on a 0.18 um (1.8 V core) CMOS process with 1.5 V I/O support, the device supports a maximum internal clock frequency of 375.94 MHz and a propagation delay of approximately 1.4 ns, and it provides 488 user I/O pins for high-density interconnect. What is an APEX 20KC FPGA? The APEX 20KC family is a single-chip programmable logic device family that integrates look-up table (LUT)-based logic, embedded system blocks (ESBs) for memory and FIFO, and I/O elements (IOEs) on a unified interconnect architecture (MultiCore architecture). It belongs to the broader hierarchy of Field Programmable Gate Arrays (FPGAs) -> programmable logic devices (PLDs) -> logic ICs -> integrated circuits. APEX 20KC parts are typically used for high-throughput data-path, bus-interface, and glue-logic functions where ASIC-class density is needed without NRE cost. Key features include 4 phase-locked loops (PLLs) for clock management, MultiVolt I/O supporting 1.5 V, 1.8 V, 2.5 V, and 3.3 V interfaces, JTAG-based IEEE 1149.1 boundary-scan testing, and configuration via passive serial, passive parallel synchronous, passive parallel asynchronous, and JTAG modes. The suffix "C7" indicates a -7 speed grade (commercial), while "ES" denotes an Engineering Sample offering. Per the Altera APEX 20KC datasheet, the device supports hot-socketing and in-system programmability through its dedicated configuration pins. The device uses a MultiCore interconnect that wires together embedded logic array blocks (LABs), ESBs, and IOEs through row and column FastTrack lines. Each LAB contains 10 logic elements (LEs), and each ESB can be configured as RAM, ROM, or CAM. The combination of high logic density, large embedded memory, and dedicated PLLs makes the APEX 20KC suited for bus-width conversion, video/imaging pipelines, and telecommunications glue logic. Typical applications include high-speed data-path processing, telecommunications backplane interfaces, video frame buffering, PCI/PCI-X bridging, and DSP co-processing front-ends. The -7 speed grade is suitable for designs where mid-range timing margin is acceptable and cost is prioritized over maximum Fmax. Designers should verify availability of Engineering Sample (ES) parts against production-grade alternatives, since ES silicon may have parametric differences. For new designs, the Altera Quartus II toolchain supports this device family up through legacy support packages. This page synthesizes verified distributor pricing, drop-in same-family Altera alternatives drawn from the Site MPN list, and practical configuration/PCB guidance not found in the standalone datasheet.

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EP20K400CF672C7GA - APEX-20KC FPGA 400K Gates 672-BGA | Intel
EP20K400CF672C7GA

EP20K400CF672C7GA - APEX-20KC FPGA 400K Gates 672-BGA | Intel

The Intel (formerly Altera) EP20K400CF672C7GA is a high-density APEX-20KC series Field-Programmable Gate Array (FPGA) integrating 212,992 logic elements (488 LABs) and 16640 RAM bits within a 672-ball FineLine BGA package. Built on a 0.18 um CMOS process, this member of the APEX 20K family combines LUT-based logic with embedded MultiCore architecture and 4-input look-up tables, supporting system-on-a-chip integration of logic, memory, and I/O. An FPGA (Field-Programmable Gate Array) is a reconfigurable semiconductor device whose logic fabric, block RAM, and I/O can be programmed after PCB assembly, enabling rapid prototyping and late-stage design changes. Within the broader taxonomy, FPGAs sit above CPLDs in density and complexity, below structured ASICs in NRE cost, and are typically classified as programmable logic devices (PLDs) or, more broadly, semiconductor ICs. The APEX 20KC family was specifically engineered for high-performance system-on-a-chip designs requiring DSP, communications, and bus-interface functions. Key features of the EP20K400CF672C7GA include 400,000 typical gates, a 2.5V core supply (VCCINT), multi-standard I/O supporting LVTTL, LVCMOS, PCI, and GTL+ signaling, dedicated phase-locked loops (PLLs) for clock management, and JTAG-based IEEE 1149.1 boundary-scan test. The 672-pin FineLine BGA package offers high-density board mounting with controlled-impedance routing for high-speed signals. The APEX-20KC architecture pairs 4-input LUTs with ESB (Embedded System Block) memory and a MultiCore interconnect, giving designers simultaneous access to register-rich datapaths and distributed memory. With 488 logic array blocks (LABs) and 16,640 RAM bits, the device efficiently implements bus interfaces, FIFO queues, and DSP pipelines. Typical applications include telecommunications line cards, high-speed data acquisition systems, network switches, digital signal processing engines, and ASIC prototyping platforms. The C7 speed grade (7 ns pin-to-pin logic) targets commercial-temperature designs requiring deterministic timing closure. Designers should plan for 2.5V core and 3.3V I/O supply decoupling within 1 cm of the device, maintain controlled-impedance traces on all high-speed I/O, and follow Altera's APEX 20K fan-out and JTAG-chain guidelines. The 672-BGA footprint requires multilayer PCB stack-up with microvia technology for escape routing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Verify all timing parameters against the latest APEX-20KC handbook before committing to production.

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EP20K400CF672C7N - APEX 20KC FPGA 400K Gates BGA-672 | Intel
EP20K400CF672C7N

EP20K400CF672C7N - APEX 20KC FPGA 400K Gates BGA-672 | Intel

The Intel (formerly Altera) EP20K400CF672C7N is a member of the APEX 20KC programmable logic family, integrating 400,000 system gates with 16,640 logic elements and embedded system blocks in a 672-ball FineLine BGA package. According to the manufacturer datasheet, it is fabricated on a 0.18-micron CMOS process with all-layer copper interconnect, delivering up to 25-35 percent higher performance than the APEX 20KE generation while maintaining pin-for-pin compatibility. What is a Programmable Logic Device (PLD)? A PLD is a digital integrated circuit whose internal logic and interconnect are defined by the user after manufacture. Within the PLD taxonomy, this part is a Field-Programmable Gate Array (FPGA), which sits under the broader category of programmable logic devices (PLD), itself a subset of digital semiconductors and standard logic ICs. FPGAs differ from CPLDs in providing higher logic density, embedded memory blocks, and hardware multipliers, making them suitable for complex datapath and control-plane designs. Key specifications include 212,992 typical gates, 16,640 logic elements (LEs), 488 Kbits of embedded memory, and 480 user I/O pins (also reported as 502 in some catalog data). The device operates from a nominal 1.8V core supply, supports a maximum toggle rate of up to 375.94 MHz, and is offered in a commercial 0 to 85 C temperature grade. The MultiCore architecture integrates look-up-table (LUT) logic with embedded system blocks (ESBs) that can implement dual-port RAM, ROM, FIFO, and CAM functions. I/O standards supported include LVTTL, LVCMOS, PCI, and LVDS. Typical applications include telecommunications line cards, high-speed data-path bridging, industrial automation controllers, and ASIC prototyping platforms. The high pin count and embedded memory make it well-suited to designs that require parallel interfaces such as DDR-style memory controllers or multi-channel serial links, while its LUT-based fabric allows integration of glue logic alongside the datapath blocks. When designing with this part, plan for a 1.8V core supply plus a 3.3V or 2.5V VCCIO bank supply depending on I/O standard, and consult the APEX 20KC handbook for configuration scheme (PS, PPS, JTAG) and pinout assignments. Note that the APEX 20KC family has been formally discontinued by Intel (Altera); consider Cyclone, Stratix, or Arria series for new designs and use this part only for legacy system maintenance.

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EP20K400CF672C8 - APEX 20K 400K Gates FPGA 652-BGA | Intel
EP20K400CF672C8

EP20K400CF672C8 - APEX 20K 400K Gates FPGA 652-BGA | Intel

The Intel (formerly Altera) EP20K400CF672C8 is a high-density APEX 20KC family Field-Programmable Gate Array (FPGA) IC delivering 400,000 system gates, 16,640 logic elements, and 488 user I/Os in a 672-ball FineLine BGA package, supplied at 2.5V core with CMOS technology. What is an FPGA: A Field-Programmable Gate Array is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells. FPGAs occupy the top of the programmable logic hierarchy, sitting above CPLDs and below custom ASICs, and are widely used for parallel DSP, glue logic, and rapid prototyping in telecom, industrial, and military systems. Key features: 400K system gates, 16,640 LEs, 212,992 RAM bits, 488 max user I/Os, MultiCore architecture combining look-up table (LUT) logic with embedded array blocks (EABs), 2.5V core supply, in-system programmability via SRAM configuration, and industrial temperature grade (0C to 85C). The 672-ball FineLine BGA exposes a wide I/O count while keeping PCB routing manageable. Technical depth: The APEX 20KC MultiCore architecture integrates a fine-grained LUT fabric optimized for high-speed combinational and registered logic with coarse-grained EABs that implement RAM, ROM, multipliers, and CAM in densities up to 2,048 bits per block. Distributed embedded array blocks reduce die area versus pure register-based architectures while delivering 2.5ns propagation delay for the targeted speed grade (C8). Typical applications: high-bandwidth telecommunication line cards, network switches and routers, ASIC prototyping, DSP co-processing, and industrial control systems requiring parallel wide-word arithmetic. Design consideration: the 652-ball FineLine BGA requires a multi-layer PCB with controlled-impedance routing, microvia stack-ups, and matched-length tracking for LVDS or SSTL interfaces; signal-integrity simulation is recommended for buses above 100 MHz. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone datasheet.

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EP20K400CF672C8AA - 400K APEX 20K FPGA, 488 I/O FBGA | Intel
EP20K400CF672C8AA

EP20K400CF672C8AA - 400K APEX 20K FPGA, 488 I/O FBGA | Intel

The Intel EP20K400CF672C8AA is a high-density Field-Programmable Gate Array (FPGA) from the APEX 20K family, integrating 16640 logic elements/cells, 212 dedicated embedded system blocks (ESBs) for on-chip SRAM and CAM, and 488 user I/O pins. It is housed in a 672-ball Fine-Pitch Ball Grid Array (FBGA) package supplied in trays, and operates from a 2.5 V core supply across the commercial 0 C to 85 C temperature range. This device targets complex digital logic implementation in communications, industrial automation, and high-throughput data-path applications. A Field-Programmable Gate Array (FPGA) is a reprogrammable semiconductor device in the programmable logic hierarchy (PLD -> CPLD -> FPGA -> SoC FPGA), composed of configurable logic blocks (LEs), programmable routing, dedicated hardware multipliers or memory blocks, and a periphery of general-purpose I/Os. The APEX 20K family pioneered MultiCore integration by combining look-up-table logic, embedded system blocks for memory, and a high-bandwidth interconnect on a single die, enabling system-on-a-programmable-chip (SOPC) integration. Key features of the EP20K400CF672C8AA include 16640 logic elements, 212 embedded system blocks delivering up to approximately 212 Kbits of on-chip SRAM, 488 user I/O pins terminated to 672 BGA balls, and an industry-standard 2.5 V core with multi-voltage I/O support. The device supports in-system programmability via a 4-wire JTAG interface and can be configured from external serial or parallel PROM sources, simplifying board-level bring-up. Architecturally, the APEX 20K uses a MultiCore fabric that fuses lookup-table (LUT)-based logic with embedded array blocks (EABs/ESBs), providing predictable performance with typical propagation delays in the low nanosecond range. This combination delivers DSP-friendly throughput and block-RAM density that was advanced for its generation and remains useful for legacy system retrofits. Typical applications include telecommunications line cards and baseband processing, industrial machine-vision and motor control, networking switches and protocol bridging, and military/aerospace signal processing. The high I/O count also makes it suitable for legacy ASIC prototyping and design verification platforms. When integrating this FPGA, plan JTAG chain access, decoupling, and a configuration PROM footprint, and validate thermal headroom using the FBGA junction-to-ambient resistance for your board stack-up.

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EP20K400CF672C8ES - APEX 20KC 400K Gates 672-BGA FPGA | Altera
EP20K400CF672C8ES

EP20K400CF672C8ES - APEX 20KC 400K Gates 672-BGA FPGA | Altera

The Altera EP20K400CF672C8ES is a member of the APEX 20KC programmable logic family, delivering 400,000 system gates and 16,640 logic elements in a 672-pin FineLine BGA (FC-FBGA) package. The part operates from a nominal 1.8 V core supply (1.71 V to 1.89 V) with 0.15 µm CMOS process technology and a maximum internal frequency of 301.21 MHz. It provides 484 user I/O pins, 488 total inputs, and a propagation delay of 2.5 ns, addressing high-density logic integration in a single chip. An FPGA (Field-Programmable Gate Array) is a programmable logic device (PLD) that uses a matrix of configurable logic blocks (CLBs) connected by programmable interconnect, allowing hardware designers to implement arbitrary digital logic, DSP functions, and system-on-chip architectures after fabrication. The APEX 20KC family pioneered MultiCore™ integration, embedding look-up tables (LUTs), embedded system blocks (ESBs) for memory and arithmetic, and I/O elements on a single die. APEX 20KC belongs to the broader taxonomy: PLD -> FPGA -> SRAM-based FPGA -> high-density CPLD/FPGA hybrid. Key features include 400,000 typical gates, 16,640 logic cells, 212,992 system gates equivalent, 484 maximum user I/O, 0 dedicated inputs and 484 bidirectional I/O, 301.21 MHz core performance, 1.8 V supply, MultiCore™ architecture with embedded system blocks, in-system programmability via configuration memory, and JTAG boundary-scan support. The 672-BGA package supports high-speed signal fan-out with controlled-impedance routing suitable for backplane and parallel bus designs. Technical depth: the device combines a 4-input LUT-based logic fabric with embedded dual-port RAM blocks and dedicated arithmetic carry chains. Configuration is loaded from a PROM or via JTAG into the on-chip SRAM configuration memory, allowing unlimited reconfigurability in the field. The APEX 20KC architecture is sometimes referred to as a System-on-a-Programmable-Chip (SOPC) platform, integrating processor interfaces, memory controllers, and high-speed I/O. The 'C8' speed grade denotes a specific Fmax bin, and the 'ES' suffix indicates an engineering sample / non-full-specification offering typically intended for prototype builds. Typical applications include telecommunications line cards, parallel DSP pipelines, industrial control backplanes, and ASIC prototyping. The high gate count and abundant I/O make this device well suited to data-path and glue-logic consolidation in legacy systems. When designing with this part, observe decoupling guidelines, controlled-impedance BGA escape routing, and confirm configuration clock and mode pins for the chosen boot source. JTAG programming with a MasterBlaster or USB-Blaster download cable is the standard configuration path. This page synthesizes distributor pricing, lifecycle data, and drop-in alternatives that complement the manufacturer datasheet.

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EP20K400CF672C8N - APEX 20KC FPGA, 400K Gates, 488 I/O | Intel
EP20K400CF672C8N

EP20K400CF672C8N - APEX 20KC FPGA, 400K Gates, 488 I/O | Intel

The Intel / Altera EP20K400CF672C8N is a member of the APEX 20KC family of Field Programmable Gate Arrays (FPGAs), delivering up to 400,000 system gates, 16,640 logic cells (Macros), and 488 user I/O pins in a 672-ball FineLine BGA package. Built on a 0.15 µm all-layer copper-metal CMOS process, the device operates from a 1.8 V core supply and supports up to 212,992 bits of embedded memory through the MultiCore architecture that integrates look-up-table (LUT) logic with embedded array blocks (EABs). An FPGA (Field Programmable Gate Array) is a programmable logic device (PLD) containing an array of configurable logic blocks (CLBs) connected by programmable interconnect. FPGAs belong to the broader hierarchy of programmable logic devices (PLDs) and digital semiconductors, and the APEX 20KC family pioneered MultiCore integration of LUT logic and embedded memory for system-on-a-programmable-chip (SOPC) designs, predating modern SoC FPGAs. The 'C' speed grade corresponds to a 2.5 ns propagation delay (per DigiChip specifications), and the '8' speed/power descriptor combined with the 'N' suffix indicates a commercial-temperature 0 °C to 85 °C device in lead-free packaging. Key features include 16,640 logic elements organized as LUTs and EABs, 488 maximum user I/O, embedded system blocks for memory, MultiCore interconnect optimized for high-speed datapaths, and pin-compatibility with the APEX 20KE family. The FineLine BGA-672 package is a 27 × 27 mm body with 1.0 mm ball pitch, suitable for high-density surface-mount designs. The device is built with a low-power copper interconnect that yields 25–35% faster design performance than the preceding APEX 20KE generation. Architecturally, the EP20K400C integrates four MegaLAB structures per device, each containing 24 Logic Array Blocks (LABs) of 10 Logic Elements (LEs) per LAB, alongside embedded memory blocks and a FastTrack2 interconnect that routes signals between MegaLABs. The embedded memory provides distributed RAM, ROM, and CAM functions, and the I/O structure supports LVTTL, LVCMOS, PCI, and other popular interface standards through the same package as other APEX 20K family members. Typical applications include telecommunications infrastructure (line cards, custom protocol engines), high-speed image processing, custom DSP datapath acceleration, networking equipment, and legacy industrial-control logic consolidation. The APEX 20K series is widely used in pre-SoC-FPGA designs where separate DSPs and glue logic must be replaced by a single programmable device. Designers migrating legacy APEX 20K designs can also use this device as a drop-in pin-compatible upgrade for APEX 20KE designs in the same F672 package. When designing with the EP20K400C, observe the I/O-bank supply grouping rules documented in the Altera APEX 20KC datasheet: each bank shares VCCIO, so multiple I/O standards require careful bank planning. Provide a minimum of four 0.1 µF decoupling capacitors around the package perimeter plus bulk capacitors on each VCC rail. This page synthesizes distributor pricing, parametric drop-in alternatives from the same APEX 20K family, and practical design notes that are not collected in any single manufacturer document.

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EP20K400CF672C9 - APEX-20K 400K Gates FPGA, 672-FBGA | Intel / Altera
EP20K400CF672C9

EP20K400CF672C9 - APEX-20K 400K Gates FPGA, 672-FBGA | Intel / Altera

The Intel / Altera EP20K400CF672C9 is a member of the APEX-20KC family of Field Programmable Gate Arrays (FPGAs), integrating 400,000 system gates with 16,640 logic cells into a 672-ball Fine-pitch BGA (FBGA) package. It combines Look-Up Table (LUT) logic, embedded system blocks (ESBs) for memory, and MultiCore architecture to deliver System-On-a-Programmable-Chip (SOPC) integration in a single device. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that can be re-programmed to implement custom digital logic functions after manufacturing. The APEX-20K family uses a MultiCore architecture that combines fine-grain LUT logic with coarse-grain embedded system blocks (ESBs), placing the device within the broader hierarchy of programmable logic: CPLD -> FPGA -> SoC FPGA -> Programmable Logic Device (PLD) -> semiconductor. FPGAs occupy a unique position in digital design because they offer ASIC-class performance and gate density while preserving the flexibility of in-system reprogrammability. Key features of the EP20K400CF672C9 include a maximum of 488 user I/Os, 16,640 logic cells, embedded memory through ESBs, and a 2.5V core supply voltage per the APEX-20KC specification. The device operates across a commercial temperature range (0C to 85C) and supports configuration via serial or parallel PROM interfaces. The 672-FBGA package uses a 27 mm x 27 mm body with a 1.0 mm ball pitch, suitable for high-density PCB designs where signal integrity and routing escape demand a large ball grid array footprint. Architecturally, the APEX-20K MultiCore combines LUT-based logic elements with embedded array blocks (EABs) that can implement dual-port RAM, ROM, FIFO, and CAM functions. The EP20K400 provides the largest density option in the APEX-20KC lineup, balanced for high-performance datapath applications where on-chip memory bandwidth is critical. Typical applications include high-speed telecommunications backplanes, ASIC prototyping, DSP co-processing, network processing engines, and high-performance bus interface logic. The 488 user I/Os enable direct connection to multiple parallel buses, while the embedded memory supports on-chip packet buffers and lookup tables. When designing with this device, careful attention must be paid to power distribution: the 2.5V core and multiple I/O bank supplies each require decoupling networks sized to suppress switching transients. Legacy APEX-20K designs typically require Intel Quartus design software (or legacy MAX+PLUS II) for place-and-route, bitstream generation, and timing closure. This page synthesizes distributor pricing, drop-in speed-grade and temperature-grade alternatives from the same APEX-20K family, and practical design notes not consolidated in the original Altera datasheet.

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EP20K400CF672C9ES - 400K Gate APEX 20KC FPGA 672-FCBGA | Altera
EP20K400CF672C9ES

EP20K400CF672C9ES - 400K Gate APEX 20KC FPGA 672-FCBGA | Altera

The Altera EP20K400CF672C9ES is a 400,000-gate APEX 20KC Field Programmable Gate Array (FPGA) housed in a 672-ball Fine-pitch Chip-Scale Ball Grid Array (FCBGA) package, fabricated on a 0.18 µm CMOS process with 1.8 V core operation and 250 MHz maximum internal frequency. An APEX 20KC FPGA is a member of Altera's APEX (Advanced Programmable Element Matrix) family of high-density programmable logic devices, positioned in the broader hierarchy of programmable logic (PLD -> CPLD/FPGA -> APEX family -> high-density SRAM-based FPGA -> semiconductor). The 'C' suffix denotes the commercial temperature grade (0 °C to +85 °C), and the 9 speed grade indicates the slowest of three tiers in the APEX 20KC family, trading timing margin for lower unit cost in non-timing-critical designs. Key features include 16,640 logic elements, 488 kbit of embedded system memory (ESB) configurable as RAM, ROM, or CAM, MultiVolt I/O supporting 1.8 V, 2.5 V, and 3.3 V interfaces, and a high-bandwidth True-LVDS interface. The 'ES' suffix indicates this specific part variant as ordered by Altera's ordering code system, with the device offering in-system programmability via JTAG and supporting configuration via serial or parallel PROM. Typical applications include high-speed digital signal processing (DSP) pipelines, telecommunications backplane interfaces, PCI/PCI-X bridging, and ASIC prototyping. The 672-pin FCBGA package provides ample I/O for memory-intensive designs and multi-bank clock distribution. When designing with this device, ensure signal integrity on the FCBGA fan-out by using microvia or via-in-pad PCB technology. Power sequencing between the 1.8 V VCCINT and VCCIO banks must follow Altera's APEX 20KC datasheet guidelines to prevent inrush current and latch-up. Decoupling requires low-ESL ceramic capacitors placed directly under the package's power/ground balls.

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