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EP20K60EQC240-2 - APEX-20KE FPGA, 151 I/O | Altera
EP20K60EQC240-2

EP20K60EQC240-2 - APEX-20KE FPGA, 151 I/O | Altera

The Altera EP20K60EQC240-2 is an APEX-20KE field-programmable gate array (FPGA) delivered in a 240-pin BQFP/PQFP package with 151 user I/O pins, a core supply range of 1.71 V to 1.89 V, and a commercial operating temperature range of 0 °C to +85 °C. It is an established Altera programmable-logic device now listed through Rochester Electronics and distributor channels as an obsolete/end-of-life component. An FPGA is a semiconductor device containing programmable logic blocks and interconnect that can be configured to implement arbitrary digital circuits after manufacturing. In Altera’s product hierarchy, the EP20K60EQC240-2 is specifically an APEX-20KE FPGA, which falls under the broader categories of field-programmable gate array, programmable logic device, integrated circuit, and semiconductor. Understanding this hierarchy helps engineers evaluate replacement options, legacy system risks, and configuration-memory requirements when reusing this 2000s-era device in existing boards. Key features visible in distributor listings include 151 user I/Os in a 240-BQFP/PQFP shape, 1.71 V to 1.89 V core operation, a 0 °C to +85 °C commercial temperature range, CMOS logic family, and an APEX-20KE family designation. Mouser additionally mentions 256 macrocells in the APEX 20K family listing. The package is a 32 mm x 32 mm PQFP with gull-wing leads, which is suitable for conventional surface-mount assembly but requires a dedicated 240-pin footprint. From an architecture standpoint, the APEX-20KE family was marketed as one of the industry’s first programmable-logic families to integrate system-on-a-programmable-chip capabilities, using a MultiCore architecture that combines LUT-based logic, product-term macrocells, and embedded system blocks. The -2 suffix indicates the speed-grade ordering option, while related -1X and -2X variants share the same 240-pin PQFP package in the same family. Because this is an older family, exact usable gate count, RAM bits, and timing values should be obtained from the complete Altera APEX 20K family datasheet rather than inferred from ordering-code fragments. Typical applications for this part include telecom line cards, industrial control I/O boards, medical imaging preprocessing systems, video acquisition interfaces, and automatic test equipment where moderate logic density and parallel I/O are needed. The 151 user I/Os allow designers to connect a CPU bus, external SRAM, status LEDs, and multiple serial interfaces without adding excessive CPLD glue. However, because the device is obsolete, all new designs should include a lifecycle risk assessment. A key design consideration is supply decoupling and configuration memory. The core 1.8 V rail must be within the listed 1.71 V–1.89 V window and decoupled according to the full APEX 20K datasheet recommendations. For board bring-up, remember that an FPGA requires a configuration bitstream from an EPC-series or JTAG source; do not assume the device is self-configuring at power-up. This page synthesizes distributor availability and pricing as of 2026-09-08, same-package drop-in variants, parametric comparison information, and practical legacy-system design notes that are not all present in a single datasheet snippet.

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EP20K60ETC144-1X - 60K-Gate APEX-20KE FPGA, 144-LQFP | Intel/Altera
EP20K60ETC144-1X

EP20K60ETC144-1X - 60K-Gate APEX-20KE FPGA, 144-LQFP | Intel/Altera

The Intel/Altera EP20K60ETC144-1X is a 60,000-gate APEX-20KE family Field-Programmable Gate Array (FPGA) IC integrating 2,560 logic elements, 32,768 bits of embedded RAM, and 92 user I/Os into a single MultiCore architecture die, housed in a 144-pin LQFP (Low-profile Quad Flat Pack) surface-mount package. What is an FPGA? An FPGA (Field-Programmable Gate Array) is a programmable logic device that engineers configure after manufacturing using a hardware-description language such as VHDL or Verilog. FPGAs occupy the hierarchical niche between fixed-function Application-Specific Integrated Circuits (ASICs) and software-driven microcontrollers; they deliver ASIC-class parallel processing performance while retaining full post-fabrication reprogrammability. The APEX-20KE family, introduced by Altera in the late 1990s, was one of the industry's first system-on-a-programmable-chip (SOPC) families combining Look-Up Table (LUT)-based logic with embedded memory blocks. Key features include a 1.8V core supply (operating range 1.71V to 1.89V), four dedicated inputs and 88 I/O pins (92 total user I/Os), 0.22-micron CMOS process technology, and 1.72 ns propagation delay with internal clock rates up to 160 MHz. The MultiCore architecture integrates logic elements, embedded system blocks (ESBs) for RAM and ROM, and FastTrack interconnect for predictable timing closure. The 144-LQFP (20x20 mm, 0.5 mm pitch) package offers gull-wing leads for reflow soldering on standard FR-4 PCBs. On the architectural side, the EP20K60E combines distributed LUT-based logic with 16 embedded system blocks of dual-port RAM, each block configurable as 2,048-bit memory. This is the engineering reason the family was marketed as an SOPC platform - the embedded RAM, combined with dedicated clock-management circuitry, allowed single-chip implementation of peripherals, FIFOs, and small microcontrollers. The 92 user I/Os are 5V-tolerant inputs with programmable drive strength and slew-rate control. Typical applications include industrial control logic, telecommunications glue logic, legacy PCI bridge implementations, network interface glue, and embedded control systems. The 0 to 85 degrees C commercial operating range suits factory-floor and office-equipment use. Hobbyist retro-computing projects also frequently adopt APEX-20KE devices due to their abundant documentation. When designing with the EP20K60ETC144-1X, observe the 1.8V core supply requirement and provide proper decoupling (100 nF plus 10 uF bulk) near the VCCINT pins. Note that the device is mature, EOL-classified by Intel, and now serviced by authorized distributors such as Rochester Electronics for long-term support. Quartus II is the supported design toolchain. This page synthesizes distributor pricing, pin-compatible alternatives from the same APEX-20KE family, and practical legacy-design notes not found in the original datasheet alone.

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EP20K60ETC144-2N - APEX-20KE 60K FPGA, 92 I/O, 144-TQFP | Intel
EP20K60ETC144-2N

EP20K60ETC144-2N - APEX-20KE 60K FPGA, 92 I/O, 144-TQFP | Intel

The Intel (formerly Altera) EP20K60ETC144-2N is a member of the APEX-20KE family of Field Programmable Gate Arrays (FPGAs), delivering 60,000 typical gates and 2,560 logic elements in a 144-pin TQFP package. It integrates 32,768 bits of embedded system memory (ESB), supports up to 92 user I/O pins, and operates from a 1.71 V to 1.89 V core supply, manufactured on a 0.22 µm CMOS process. The -2 speed grade targets internal frequencies up to 160 MHz with a 1.72 ns propagation delay, and the industrial temperature range of 0 °C to 85 °C is suited for commercial and lab environments. A Field Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines the integration density of an ASIC with the flexibility of in-system reprogrammability. FPGAs sit within the broader hierarchy of semiconductor devices as: programmable logic -> PLD -> FPGA -> high-density programmable logic. The APEX-20KE family specifically introduced MultiCore architecture combining Look-Up Table (LUT)-based logic, product-term blocks, and embedded memory in a single fabric, enabling System-on-a-Programmable-Chip (SOPC) integration. Key features of the EP20K60ETC144-2N include 2,560 logic elements, 32 Kbits of distributed ESB memory, 92 usable I/O pins compliant with LVTTL/LVCMOS/LVDS/PCI interfaces, and JTAG-based IEEE 1149.1 boundary-scan support. The 144-TQFP package (20 × 20 mm body, 0.5 mm pitch) is surface-mountable with standard JEDEC MSL handling. The -2 speed grade is mid-tier within the APEX-20KE family, balancing timing margin against cost. The APEX-20KE architecture combines four-input LUTs, embedded memory blocks (ESBs), and product-term logic on a MultiCore fabric. Each ESB can be configured as ROM or RAM and supports dual-port operation. The 0.22 µm process and 1.8 V core VCC deliver low static power relative to 5 V legacy PLDs, while still preserving the high-drive 3.3 V PCI compatibility at the I/O banks via dedicated PCI-compliant buffers. Typical applications include telecommunications line-card glue logic, PCI bus interface bridges, industrial control front-end preprocessing, DSP co-processing front-ends, and high-speed custom state machines. With 60 K gates and 92 I/Os, the device targets mid-complexity designs that exceed CPLD capacity but do not justify larger Cyclone or Stratix devices. When designing with this part, verify that the Quartus design tool supports the EP20K60ETC144-2N device code (older Altera legacy support), and note that the -2 speed grade must be back-annotated into the project's fitter settings. Confirm power budgeting for the 1.8 V rail, since high-utilization designs may exceed 1 A. This page synthesizes distributor stock, same-family Altera/Intel drop-in alternatives, and design considerations not found in the legacy datasheet alone, providing a single reference for engineers evaluating the EP20K60ETC144-2N for new designs or legacy maintenance.

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EP20K60ETC144-2X - APEX 20KE FPGA 60K Gates 92 I/O 144-TQFP | Intel
EP20K60ETC144-2X

EP20K60ETC144-2X - APEX 20KE FPGA 60K Gates 92 I/O 144-TQFP | Intel

The Intel (Altera) EP20K60ETC144-2X is a member of the APEX 20KE programmable logic device family, integrating 60,000 typical gates (25,600 logic elements, 2,560 macrocells per the DigiKey product listing) in a 144-pin TQFP (20x20 mm) surface-mount package with 92 user I/Os. It is built on a 0.22 µm CMOS process, operates from a 1.71 V to 1.89 V core supply, and is specified for commercial 0 °C to 85 °C operation with internal frequency up to 160 MHz and pin-to-pin propagation delay of 1.72 ns. What is an APEX 20KE FPGA? The APEX 20KE is the second-generation Advanced Programmable eXtended (APEX) architecture from Altera (now Intel PSG), which pioneered System-on-a-Programmable-Chip (SOPC) integration by embedding high-density logic, embedded array blocks (EABs), and LVDS-capable I/O into a single die. APEX devices sit at the top of the SRAM-based PLD hierarchy - PLD > CPLD > FPGA > APEX 20KE - and were Altera's flagship high-density logic family before being superseded by Stratix and Cyclone. Key features include MultiCore architecture combining Logic Array Blocks (LABs) for fine-grained logic and Embedded System Blocks (ESBs) for memory and specialty functions, 4 dedicated inputs plus 92 bidirectional I/Os totaling 96 user terminals, support for LVTTL/LVCMOS/PCI I/O standards, and in-system programmability via IEEE 1149.1 JTAG plus passive serial and Altera EPC configuration devices. The 1.8 V core with 1.72 ns propagation delay enables 160 MHz internal operation in combinatorial paths. Typical applications include telecommunications line cards, industrial control and motor-drive glue logic, PCI interface bridging, high-end consumer audio/video processing, and prototype ASIC emulation. The combination of 60 K usable gates and 92 I/Os in a low-cost plastic TQFP makes it well suited to volume production where BGA rework would be uneconomical. Design consideration: the TQFP-144 footprint is the key reason this variant remains in long-life-cycle programs - migrating to a BGA-356 variant of the same die (e.g., EP20K60EBC356-2X) requires PCB rework and is not pin-compatible. When designing, derate the 160 MHz internal frequency to ≤ 120 MHz for cascaded carry chains and ≤ 80 MHz for ESB block-RAM access to meet timing closure with margin.

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EP20K60ETC144-3 - APEX 20KE FPGA, 92 I/O, 144-LQFP | Intel
EP20K60ETC144-3

EP20K60ETC144-3 - APEX 20KE FPGA, 92 I/O, 144-LQFP | Intel

The Intel (formerly Altera) EP20K60ETC144-3 is a member of the APEX 20KE programmable logic family, delivering 2,560 logic elements in a 144-pin LQFP package with 92 user I/O pins. It is fabricated on a 0.22 µm CMOS process, operates from a 1.71 V to 1.89 V core supply, and supports user I/O voltages referenced through separate VCCIO rails typical of the APEX 20KE family. The '-3' speed grade corresponds to the slowest of the three available grades in this family, trading off timing margin for cost savings in non-critical-path designs. An FPGA (Field-Programmable Gate Array) is a programmable logic device (PLD) that lets engineers implement arbitrary digital logic via a configurable array of logic elements (LEs), embedded memory blocks (ESBs), and routing resources. The APEX 20KE series specifically pioneered MultiCore integration of look-up table logic, embedded system blocks (ESBs for memory), and product-term blocks on a single die, fitting between pure CPLDs and modern high-density FPGAs. EP20K60ETC144-3 parts are well-known for low-power 1.8 V core operation, in-system programmability via JTAG, and broad Quartus II / MAX+PLUS II toolchain support. Key features of EP20K60ETC144-3 include 2,560 logic elements, 32,768 bits of embedded SRAM, 196 maximum user I/Os (package-limited to 92 in the 144-LQFP), and a maximum internal frequency of 160 MHz to 182 MHz depending on measurement method. The device supports multi-voltage I/O standards including LVTTL, LVCMOS, PCI, SSTL-2/3, and LVDS via dedicated I/O banks. It also includes built-in clock lock loops (analog PLLs) for clock conditioning. The APEX 20KE architecture combines four types of resources - LABs (Logic Array Blocks), ESBs (Embedded System Blocks for memory), MegaLAB structures, and FastTrack interconnect - to deliver a balance of register-rich logic, distributed SRAM, and predictable timing. The '-3' speed grade makes this part the lowest-cost option, ideal for telecom line cards, industrial controllers, and legacy networking equipment where 100 MHz+ operation is not required. Typical applications include telecommunications line interface cards, industrial automation controllers, legacy networking routers and switches, low-density DSP front-ends, and PCI bus interface glue logic. The 144-LQFP package supports hand-soldering and rework, making it attractive for prototype and low-volume production. When designing with this device, ensure 1.8 V core decoupling uses at least four 0.1 µF ceramic capacitors placed near the VCC pins. All unused I/O pins should be configured as tri-stated inputs with weak pull-ups in software to minimize power consumption. Note: this device is in the Intel/Altera legacy product portfolio; verify lifecycle status before committing to new designs. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet - giving engineers a one-stop reference for sourcing and designing the EP20K60ETC144-3.

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EP20K60ETC144-3N - APEX-20KE FPGA 60K Gates 2560 Logic Elements 144-LQFP | Intel
EP20K60ETC144-3N

EP20K60ETC144-3N - APEX-20KE FPGA 60K Gates 2560 Logic Elements 144-LQFP | Intel

The Intel EP20K60ETC144-3N is a member of the APEX-20KE family of FPGAs, integrating 60,000 gates, 2,560 logic elements and 32,768 bits of embedded memory in a 144-pin LQFP package (TQFP form factor with gull-wing leads). It operates from a 1.8V core supply, supports up to 92 user I/O pins, and is fabricated on a 0.22 µm CMOS process that delivers an internal frequency of 160–182 MHz with a 1.72 ns propagation delay, making it suitable for mid-density glue-logic, bus-interface, and DSP-front-end designs. A field-programmable gate array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the designer programs after manufacture to implement arbitrary digital functions. APEX-20KE specifically introduced MultiCore™ architecture integrating look-up tables, product-term logic, and embedded system-on-a-programmable-chip (SOPC) blocks, which placed it within the broader taxonomy of programmable logic devices: PLD → CPLD/FPGA → SRAM-based FPGA → APEX-20KE. This hierarchy matters when designers compare it against later Cyclone, Stratix or competing Xilinx Spartan families. Key features include 32,768 bits of embedded SRAM (ESB), 92 maximum user I/O, in-system programmability via IEEE 1149.1 JTAG, dedicated PLL-style clock networks (LVDSL/LVDS-style high-speed inputs available on selected banks), and a low-power 1.8V core. The device is offered in the commercial 0 °C to +85 °C temperature grade and uses a gull-wing surface-mount 144-LQFP (LFQFP code) with square body for standard SMT reflow. Architecturally, the APEX-20KE family combines fast on-chip SRAM and product-term logic with high-speed interconnect, enabling designers to consolidate multiple CPLDs and discrete glue logic into a single device. The 2560 logic cells and 60K typical gate count put this part in the lower-mid-density tier of legacy Intel/Altera programmable logic, often used for bus bridges, custom peripherals, and pre-processing pipelines feeding a host processor. Typical applications include telecom line-card interface logic, industrial control and instrumentation front ends, video pixel processing, military/aerospace retrofit boards where long-term Altera tooling is preserved, and legacy ASIC-replacement designs. The 144-LQFP footprint allows hand-rework and prototyping that smaller BGA packages cannot. When designing with this FPGA, ensure the Quartus II (or MAX+PLUS II) toolchain version supports the APEX-20KE device family - newer Quartus releases have removed legacy device support. Plan power-rail decoupling for the 1.8V VCCINT and any 2.5V/3.3V VCCIO bank supplies per the APEX-20KE handbook. This page synthesizes distributor inventory, pin-compatible APEX-20KE drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EP2A15B652C7 - APEX II FPGA, 1.5M Gates | Intel | Legacy PLD
EP2A15B652C7

EP2A15B652C7 - APEX II FPGA, 1.5M Gates | Intel | Legacy PLD

The Intel EP2A15B652C7 is a member of the APEX II family of programmable logic devices (PLDs) manufactured on a 0.18-micron CMOS process, offering up to 1.5 million typical gates in a 652-ball BGA package. This high-density FPGA integrates multi-core architecture (MultiCore) hot-socketing support, embedded system blocks (ESBs) for memory and logic, and FastTrack interconnect routing to deliver high-speed data paths for telecommunications, networking, and DSP applications. The device is supplied in a 652-ball BGA with a -7 speed grade and commercial (0C to 85C) operating temperature, configured for full BGA pin mapping per the APEX II device family standard. An FPGA (Field Programmable Gate Array) is a type of integrated circuit whose logic function is defined after manufacturing by a configuration bitstream loaded into on-chip SRAM cells. FPGAs sit within the broader taxonomy of programmable logic devices (PLDs), which also include CPLDs and PALs. APEX II FPGAs specifically target high-density system-on-chip integration, embedding RAM, ROM, and arithmetic logic into the same fabric so that designers can implement entire subsystems - PCI bridges, DSP datapaths, protocol controllers - on a single device. Key features include 1.5M typical gates (approximately 30K logic elements), dedicated LVDS-capable I/O, MultiCore hot-socketing allowing live insertion into a backplane without disturbing system operation, and embedded array blocks (EABs) for efficient RAM/ROM and product-term logic implementation. The FastTrack continuous routing fabric provides predictable timing across the die. The -7 speed grade corresponds to roughly 200 MHz internal performance, suitable for protocol processing, PCI bus interfaces, and high-throughput DMA controllers. Architecturally, the APEX II family combines a lookup-table (LUT) based logic array with embedded system blocks. Each ESB can be configured as a 4096-bit memory block or as a logic expansion region, and the LUT-based MegaLAB structure aggregates logic into rows and columns linked by the FastTrack routing. Configuration is volatile SRAM, requiring an external configuration memory (EPC or compatible) at power-up. The device supports multi-voltage I/O standards via dedicated bank supply pins (VCCINT for core, VCCIO for I/O banks). Typical applications include high-speed telecommunications backplanes, PCI/PCI-X bridge implementations, SDR/DSP baseband processors, networking routers, and high-performance custom computing accelerators. The 652-ball BGA package suits designs that need maximum I/O count for parallel buses or multiple high-speed serial channels. The commercial temperature grade (suffix "C7") targets lab, test, and indoor industrial environments rather than automotive or military ranges. When designing with EP2A15B652C7, engineers should use the Quartus II design suite (legacy Altera toolchain), which provides synthesis, place-and-route, timing analysis, and bitstream generation. Because APEX II is a mature/legacy family, designers should confirm long-term availability and lifecycle status before committing to new production runs.

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EP2A15B652C8 - Altera APEX II FPGA, 15K LE, 652-BGA | Intel
EP2A15B652C8

EP2A15B652C8 - Altera APEX II FPGA, 15K LE, 652-BGA | Intel

The Altera (Intel Programmable Solutions Group) EP2A15B652C8 is a member of the APEX II family of high-density SRAM-based FPGAs, providing 15,600 logic elements and 425 user I/O pins housed in a 652-ball FineLine BGA package. Built on a 0.15 µm CMOS process, it operates with a core voltage of 1.5 V and supports I/O standards including LVTTL, LVCMOS, PCI, LVDS, and HSTL. The device integrates embedded system blocks (ESBs) for dual-port RAM, ROM, and CAM functions. An FPGA (Field-Programmable Gate Array) is a semiconductor IC containing configurable logic blocks (CLBs), programmable interconnect, and I/O cells that engineers can reconfigure in the field to implement arbitrary digital circuits. FPGAs occupy a unique tier between fixed-function ASICs and software-driven microcontrollers: they offer hardware-level parallelism and deterministic timing while remaining fully reprogrammable. Within the broader taxonomy, the APEX II sits as a high-density programmable logic device under the umbrella of PLDs (programmable logic devices) -> programmable logic -> semiconductor ICs. The APEX II family was specifically engineered for data-path-intensive applications such as telecommunications bridging, video processing, and high-speed networking line cards. Key features include embedded dual-port RAM with True Dual-Port modes, support for up to 1.875 Mbits of internal memory, multi-level routing resources optimized for datapath routing, and 4-phase on-chip PLLs for clock management. The EP2A15B652C8 supports 16 hot-socketing-friendly I/O banks with MultiVolt I/O technology, allowing 1.5V, 1.8V, 2.5V, 3.3V, and 5V interfacing on a single device. Its high pin count makes it well-suited for bus-intensive designs requiring wide parallel datapaths. Typical applications include telecom line cards, SONET/SDH framers, ATM switches, high-speed video processing, and ASIC prototyping. The combination of high logic density, embedded memory, and MultiVolt I/O made APEX II a popular choice for bridging and routing applications in early-2000s telecommunications infrastructure. When designing with the EP2A15B652C8, plan thermal management around the BGA-652 substrate and follow Altera's recommended decoupling scheme (typically 0.1 µF and 10 µF capacitors near each VCCIO/VCCINT ball group). Configuration via JTAG or passive serial with a 1.5V PROM is the standard bring-up path for production hardware. This page consolidates distributor stock and pricing data, drop-in alternatives, and practical design notes not collected in any single datasheet, accelerating your sourcing and bring-up decisions for legacy APEX II designs.

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EP2A15B652C9 - APEX II FPGA 15K LE 652-BGA | Altera (Intel PSG)
EP2A15B652C9

EP2A15B652C9 - APEX II FPGA 15K LE 652-BGA | Altera (Intel PSG)

The Altera (Intel Programmable Solutions Group) EP2A15B652C9 is a member of the APEX II family of high-density SRAM-based FPGAs, offering approximately 15,600 logic elements and 425 Kbits of embedded system blocks in a 652-ball FineLine BGA package. It operates at a core voltage of 1.5 V with I/O banks supporting 1.5 V, 1.8 V, 2.5 V, and 3.3 V standards, and is rated for the commercial 0 C to +85 C temperature range with a -9 speed grade timing classification. An FPGA (Field Programmable Gate Array) is a programmable logic device that allows hardware designers to implement custom digital circuits after PCB fabrication. The APEX II architecture (Advanced Logic Element Matrix with Embedded Processor eXtensions, second generation) sits within the broader hierarchy: programmable logic device -> CPLD/FPGA -> SRAM-based FPGA -> APEX II family -> high-density ASIC-replacement class. APEX II parts combine Look-Up Table (LUT)-based logic, embedded system blocks (ESBs) for memory and arithmetic, and dedicated high-speed I/O structures, making them suitable for system-on-chip prototyping, custom datapaths, and glue logic consolidation. Key features include four phase-locked loops (PLUs) for clock synthesis, support for LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards, and embedded system blocks that can be configured as dual-port RAM, FIFO, ROM, or arithmetic functions. The -9 speed grade indicates the fastest available timing bin for this family, while the 652-ball BGA package supports high I/O density for memory-rich designs. Technically, the APEX II device uses a 1.5 V core supply with separate VCCIO pins per bank, allowing mixed-voltage interfacing without external level shifters. The four PLUs provide flexible clock management with multiply/divide and phase shifting, and the architecture supports the APEX II MultiVolt I/O feature so a single device can interface with 1.5 V, 1.8 V, 2.5 V, and 3.3 V peripherals simultaneously. Typical applications include telecommunications line cards, high-speed data acquisition front-ends, DSP co-processing blocks, ASIC prototyping platforms, and industrial control systems that require high logic density and high I/O count. The 652-ball BGA footprint also supports designs that demand significant external memory connectivity, including DDR-style interfaces on adjacent banks. Designers should note that APEX II devices require a configuration controller or external PROM, and JTAG-based in-system programmability is supported through the IEEE Std 1149.1 boundary-scan interface. Power sequencing must bring the core VCC up before VCCIO is applied to prevent excessive I/O drive current during startup. This page synthesizes distributor inventory, drop-in alternatives from the same APEX II family, and practical design notes not found in the standalone datasheet.

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EP2A15B724C - APEX II 15K LEs FPGA, 724-BGA | Altera (Intel)
EP2A15B724C

EP2A15B724C - APEX II 15K LEs FPGA, 724-BGA | Altera (Intel)

The Altera (Intel Programmable Solutions Group) EP2A15B724C is a member of the APEX II family of Field Programmable Gate Arrays (FPGAs) housed in a 724-ball FineLine BGA (FCBGA) package. It integrates 16,640 logic elements, 425,984 RAM bits, and 492 user I/O pins, targeting high-density, high-performance logic designs in networking, communications, and signal-processing systems. An FPGA (Field Programmable Gate Array) is a type of programmable logic device that allows engineers to configure digital logic blocks and interconnect via a hardware-description language. FPGAs sit above ASICs and below microcontrollers in the design hierarchy: a microcontroller runs software sequentially, while an FPGA implements fully parallel custom hardware. The APEX II architecture specifically combines Look-Up Tables (LUTs), embedded system blocks (ESBs) for memory and arithmetic, and a high-bandwidth MultiTrack interconnect for predictable timing closure. Key features of the EP2A15B724C include 16,640 logic elements (LEs), 425,984 bits of embedded RAM, 492 maximum user I/O pins, and a 724-ball FCBGA package. APEX II devices support up to 1.5M gates of logic and incorporate PLLs, LVDS support, and dedicated dual-port RAM blocks. The device is offered in commercial and industrial temperature grades and is fabricated on a 0.18-micron CMOS process. The APEX II architecture integrates embedded system blocks (ESBs) that can be configured as dual-port RAM, ROM, or first-in first-out (FIFO) buffers. Combined with the MultiTrack interconnect, this allows deterministic timing across deep pipelines and is why APEX II was widely adopted for high-speed protocol bridging and data-path designs before the Stratix generation replaced it. Typical applications for the EP2A15B724C include high-speed serial protocol bridging, telecom backplane switching, image-processing front-ends, ASIC prototyping, and military/aerospace signal processing. The high I/O count makes it suitable for designs that need to drive many parallel LVDS or TTL interfaces simultaneously. When designing with EP2A15B724C, engineers should use the Altera Quartus II design suite for synthesis, place-and-route, and timing analysis. Power-supply sequencing, decoupling, and JTAG programming considerations follow standard fine-pitch BGA guidelines, and the FCBGA substrate requires careful PCB stack-up planning to maintain signal integrity on high-speed LVDS pairs. This page synthesizes distributor stock, drop-in alternatives within the same APEX II family, and practical design notes not consolidated in the original datasheet.

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EP2A15B724C7 - APEX II FPGA, 600K Gates, 724-BGA | Altera
EP2A15B724C7

EP2A15B724C7 - APEX II FPGA, 600K Gates, 724-BGA | Altera

The Altera EP2A15B724C7 is an APEX II Field Programmable Gate Array (FPGA) IC built on a 0.15-micrometer all-layer copper-metal process with up to eight metal layers, providing approximately 600K system gates, 16,640 logic elements, 425,984 bits of embedded RAM, and 492 user I/O pins. It is housed in a 724-ball Fine-pitch Chip-Scale BGA (FCBGA) package measuring 35 mm x 35 mm and operates from a 1.425 V to 1.575 V core supply with a 0 to 85 degrees C junction temperature range, indicated by the C7 speed/temperature grade suffix. An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that combines the high density of gate arrays with the design flexibility of in-system programmability. The APEX II family sits in the hierarchy between simple PLDs and high-end ASICs, offering MultiCore interconnect architecture that combines fine-grained look-up tables with coarse-grained embedded memory blocks, allowing designers to implement complex datapaths, DSP, and on-chip bus systems. This places FPGAs squarely within the broader semiconductor and programmable logic category. Key features of the EP2A15B724C7 include 425,984 bits of embedded system RAM distributed across embedded array blocks (EABs), dedicated True-LVDS receivers and transmitters supporting up to 1 Gbps per channel, and support for LVPECL, PCML, and HyperTransport interface standards. The device integrates phase-locked loops for clock management and supports hot-socketing and configuration via passive serial, passive parallel, or JTAG modes. The 724-ball FCBGA package provides ample signal pins for parallel processing interfaces while maintaining a compact 35 mm x 35 mm footprint suitable for high-density PCB designs. Architecturally, the EP2A15B724C7 uses Altera's MultiCore interconnect with embedded array blocks (EABs), logic array blocks (LABs), and FastTrack routing, achieving internal performance up to 500 MHz on critical paths. The 1.5 V core minimizes dynamic power relative to 2.5 V predecessors while maintaining signal integrity through dedicated LVDS I/O structures optimized for high-speed serial and parallel differential signaling in telecommunications and DSP backplanes. Typical applications include high-speed telecommunications backplanes, DSP processing cards, network switches and routers, ASIC prototyping, and parallel computing acceleration. The 1 Gbps True-LVDS support also makes it suitable for chip-to-chip interconnect between processors and memory subsystems on compact processor boards. When designing with this device, ensure 1.5 V core decoupling with low-ESR ceramic capacitors placed within 100 mils of each supply ball. The high pin count demands controlled-impedance PCB routing, and the BGA package requires X-ray inspection post-assembly. Configuration mode selection (PS, PPA, JTAG) must be set via MSEL pins before power-up. This page synthesizes distributor inventory, lifecycle signals, drop-in same-family alternatives, and practical BGA design notes not found in the original datasheet.

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EP2A15B724C8 - APEX II FPGA, 16K LE, 724-FCBGA | Intel
EP2A15B724C8

EP2A15B724C8 - APEX II FPGA, 16K LE, 724-FCBGA | Intel

The Intel (formerly Altera) EP2A15B724C8 is a member of the APEX II family of programmable logic devices, integrating 16,640 logic elements and 425,984 RAM bits into a 724-pin flip-chip BGA (FCBGA) package. The device is fabricated on a 0.15 µm all-layer copper-metal process with up to eight metal layers, operates at a core voltage of 1.5 V, and supports internal clock frequencies up to 435 MHz. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that combines the density and performance of ASIC-class integration with the flexibility of in-system reprogrammability. APEX II sits within the broader hierarchy: FPGA -> programmable logic -> logic IC -> integrated circuit -> semiconductor. FPGAs like the APEX II family are typically deployed as glue logic, protocol bridges, custom datapath accelerators, and high-bandwidth parallel signal-processing engines in networking, telecom, and embedded compute platforms. Key differentiating features of the EP2A15B724C8 include 600K system gates, embedded True-LVDS differential signalling capable of 1 Gbps per channel, support for LVPECL, pseudo current mode logic (PCML), and HyperTransport interface signalling, and 492 user I/O pins for high-density parallel interconnect. The device integrates 4 PLLs for clock multiplication and deskew, and provides built-in LVDS termination and dynamic phase alignment, eliminating many external components. At the architectural level, the APEX II family uses a MultiCore architecture that combines look-up table (LUT) logic with embedded system blocks (ESBs) for on-chip RAM and content-addressable memory. The 16,640 logic elements can be configured for fine-grained combinational or registered logic, while 425,984 RAM bits can be partitioned into FIFOs, dual-port memories, or CAM blocks. Combined with 1.94 ns pin-to-pin logic delay, this gives the EP2A15B724C8 deterministic performance for latency-sensitive interfaces. Typical applications include high-speed serial backplanes, telecom line cards implementing ATM, SONET/SDH, or POS-PHY Layer 2/3 functions, multi-channel LVDS data acquisition front-ends, and embedded compute nodes that use HyperTransport for chip-to-chip interconnect. The 492 I/O pins and 1 Gbps LVDS capability make it well suited for high-bandwidth parallel-to-serial aggregation, while the embedded RAM supports deep packet buffers. When designing with the EP2A15B724C8, designers must observe the 1.5 V core supply requirement and provide proper decoupling across all VCC and VCCIO pins per the APEX II device family handbook. Signal integrity on 1 Gbps LVDS pairs requires controlled-impedance routing (typically 100 Ω differential) and matched pair lengths within the budget specified in the device datasheet. Designers should also confirm JTAG chain integrity and configuration mode (PS, AS, JTAG, or Fast Passive Parallel) prior to PCB fabrication. This page synthesizes distributor inventory, parameterized pricing tiers, drop-in alternatives, and design notes not aggregated in the original Altera/Intel datasheet, giving engineers a single reference for sourcing, comparing, and implementing the EP2A15B724C8.

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EP2A15B724C9 - APEX II FPGA 16640 Cells 1.5V 724-BGA | Intel
EP2A15B724C9

EP2A15B724C9 - APEX II FPGA 16640 Cells 1.5V 724-BGA | Intel

The Intel (formerly Altera) EP2A15B724C9 is a high-density APEX II family Field Programmable Gate Array (FPGA) built on a 0.15 µm all-layer copper-metal process with up to eight metal layers, delivering 16640 logic elements, 425984 bits of embedded memory, and 492 user I/O pins in a 724-ball Fine-pitch Chip-Scale Ball Grid Array (FCBGA) package. It integrates up to 600,000 gates, operates from a 1.5 V core supply, and supports up to 500 MHz internal operation. The device family provides 1.5 V core operation with MultiVolt I/O supporting 1.5 V, 1.8 V, 2.5 V, and 3.3 V interface levels, allowing flexible bridging between modern low-voltage logic and legacy peripherals on the same board. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit composed of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the designer can reconfigure after manufacturing. FPGAs sit in the digital logic hierarchy between simple PLDs/CPLDs and fixed-function ASICs: more capable than a CPLD for high logic density and DSP workloads, but lower NRE cost and faster time-to-market than a full ASIC. APEX II specifically targets high-density data-path and memory-rich designs such as telecommunications backplanes, video processing, and protocol bridging. Key features of the EP2A15B724C9 include 16640 logic elements, 425984 RAM bits distributed across embedded system blocks (ESBs) that can be configured as dual-port RAM, ROM, FIFO, or CAM, dedicated high-speed interconnect (FAST channel), and a clock network with PLL-based clock management. The 0.15 µm copper process and True-LVDS signaling deliver data rates up to 1 Gbps per LVDS pair, with additional support for LVPECL, PCML, and HyperTransport interface standards for chip-to-chip and backplane links. The APEX II architecture combines look-up-table (LUT) based logic elements with high-density embedded memory and a four-level hierarchical interconnect (LAB, MegaLAB, MegaLAB interconnects, FAST channel). MultiVolt I/O and on-chip termination simplify mixed-voltage board design, while the embedded PLLs provide precise clock synthesis, multiplication, division, and phase shifting across multiple clock domains. Typical applications include high-speed telecommunications backplanes using 1 Gbps LVDS links, video and image processing pipelines, network switches and routers, protocol bridging (e.g., SPI to LVDS, PCI to RapidIO), DSP co-processing cards, and ASIC prototyping. The 492 user I/O pins and 425984 bits of RAM make the EP2A15B724C9 well suited to designs that need many parallel interfaces plus substantial on-chip buffering. When designing with this device, place at least 8 to 12 low-impedance decoupling capacitors (0.1 µF and 0.01 µF) near each power pin to suppress switching noise on the 1.5 V core rail. Note that the APEX II family has been NRND for several years; for new designs, evaluate a Cyclone or Stratix equivalent from Intel's current portfolio unless the legacy footprint, I/O count, or qualification is mandatory. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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EP2A15F672C7 - APEX II FPGA 16,640 LE 672-BGA | Intel | Altera
EP2A15F672C7

EP2A15F672C7 - APEX II FPGA 16,640 LE 672-BGA | Intel | Altera

The Intel (formerly Altera) EP2A15F672C7 is a member of the APEX II family of Field Programmable Gate Arrays fabricated on a 0.15-µm all-layer copper-metal process with up to eight metal layers. The device integrates 16,640 logic elements (LEs), 425,984 bits of embedded system memory, and 492 user I/O pins in a 672-ball FineLine BGA package (27 mm × 27 mm body, 1.0 mm pitch). Operating from a 1.5 V core supply, the APEX II family supports True-LVDS signaling at 1 Gbps along with LVPECL, pseudo-current mode logic (PCML), and HyperTransport interface protocols for high-bandwidth interconnect. An FPGA (Field Programmable Gate Array) is a programmable logic device containing an array of configurable logic blocks (CLBs), embedded memory, DSP blocks, and programmable I/O elements interconnected by a routing fabric. FPGAs sit at the top of the programmable logic hierarchy (PLD > CPLD > FPGA) and are used for high-density parallel processing, glue logic, ASIC prototyping, and high-speed I/O bridging. The APEX II architecture combines look-up table (LUT) based logic with MultiCore interconnect, allowing designers to integrate entire system-on-chip functions on a single device. Key features of the EP2A15F672C7 include 16,640 logic elements, 425,984 system gates, a tPD of 1.69 ns, dedicated True-LVDS channels capable of 1 Gbps data rates, embedded RAM, and JTAG-based IEEE 1149.1 boundary-scan test support. The 672-ball FineLine BGA package provides robust signal integrity for high-speed designs and supports extensive user I/O for memory, bus, and backplane interfaces. Typical applications for the APEX II family include 1 Gbps backplane transceivers, high-performance ASIC prototyping, telecommunications line cards, parallel DSP processing, and high-speed serial I/O expansion. The True-LVDS support makes the device especially well suited for chip-to-chip and board-to-board links where multi-gigabit signaling is required. Designers working with this part should pay close attention to BGA fanout and the IBIS models for signal-integrity analysis. Power estimation should be performed using the Altera PowerPlay tool because the 1.5 V core current scales with toggle rate and routing density. This page combines distributor pricing, drop-in alternatives, and design considerations not found in the manufacturer datasheet alone, providing a consolidated reference for engineering and procurement teams.

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EP2A15F672C7AA - APEX II FPGA 600K Gates 1.5V FC-FBGA672
EP2A15F672C7AA

EP2A15F672C7AA - APEX II FPGA 600K Gates 1.5V FC-FBGA672

The Intel (formerly Altera) EP2A15F672C7AA is a member of the APEX II family of programmable logic devices, manufactured on a 0.15-micrometer all-layer copper process and housed in a 672-ball flip-chip BGA package. The device integrates 600K typical gates (approximately 1.4M maximum system gates), 16,640 logic elements, and 492 user I/O pins, and operates from a 1.5V core supply. It is specified for commercial temperature grades and supports system speeds up to 500 MHz internally, with up to 1 Gbps True-LVDS, LVPECL, PCML, and HyperTransport I/O capability. An FPGA (Field-Programmable Gate Array) is a semiconductor IC containing an array of configurable logic blocks (CLBs/LEs), programmable interconnect, and I/O cells that the designer can wire up after manufacture using an HDL and a vendor toolchain (Quartus for Altera APEX II). FPGAs sit in the programmable-logic hierarchy above CPLDs and below fixed-function ASICs, and are typically chosen when time-to-market, design revision flexibility, or low-to-mid volume production outweigh the unit-cost advantage of an ASIC. APEX II parts in particular target high-speed communications and bus-interface applications that benefit from multi-gigabit transceivers. The EP2A15F672C7AA provides four enhanced PLLs for clock management, dedicated dual-port RAM blocks, and embedded content-addressable memory (CAM) blocks for look-up intensive functions. The MultiVolt I/O architecture allows each bank to be placed at 1.5V, 1.8V, 2.5V, or 3.3V, allowing direct interface to mixed-voltage peripherals without external level shifters. JTAG (IEEE 1149.1) boundary-scan and in-system programmability via the passive serial, fast passive parallel, or JTAG ports shorten board bring-up cycles. Typical applications for this part include high-speed serial interface bridging, telecom backplane aggregation, ASIC prototyping and emulation, bus-width conversion between PCI, PCI-X, and RapidIO links, and custom glue logic for storage and imaging subsystems. The 492 I/O count makes it suitable for designs that previously required a gate-array and benefit from being re-spinable in software. When designing with this device, attention must be paid to the FC-FBGA672 land pattern and PCB stack-up. The package requires a multi-layer board with controlled-impedance routing, microvia or via-in-pad technology, and matched-length traces on the LVDS pairs to maintain the 1 Gbps signaling budget. Decoupling must follow the reference design in the APEX II handbook (a minimum of 100 low-ESR capacitors distributed across the die area). The part has been flagged Last-Time-Buy / EOL by Altera (PDN dated Nov-Dec 2016), so new designs should consider the APEX II successor families or evaluate a Cyclone / Stratix equivalent.

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EP2A15F672C7N - APEX II FPGA 16,640 Cells 672-FBGA | Intel
EP2A15F672C7N

EP2A15F672C7N - APEX II FPGA 16,640 Cells 672-FBGA | Intel

The Intel EP2A15F672C7N is a member of the Altera APEX II family of Field Programmable Gate Arrays (FPGAs), fabricated on a 0.15-micrometer all-layer copper-metal process with up to eight metal layers. The device integrates 16,640 logic elements (cells) backed by 425,984 bits of embedded memory and exposes 492 user I/Os, packaged in a 672-ball FineLine BGA (FC-FBGA) with 1.5V core operation. It is specified for a -7 speed grade and a commercial temperature range, with system performance reaching 500 MHz internal operation per published device specifications. An FPGA (Field Programmable Gate Array) is a programmable logic device that combines configurable logic blocks, programmable interconnect, and I/O cells on a single die, allowing engineers to implement custom digital circuits after manufacturing. APEX II sits at the upper end of the multi-level hierarchy: programmable logic device -> CPLD/FPGA -> high-density SRAM-based FPGA -> APEX II family. The APEX II family supports up to 1 Gbps True-LVDS signalling and offers MultiCore Interconnect routing that maps logic elements to four distinct interconnect regions, which is why this 672-pin BGA variant is commonly used in high-bandwidth communication and processing subsystems. Key features include 16,640 logic elements, 425,984 RAM bits, 492 user I/Os, LVDS support at 1 Gbps per channel, embedded PLLs for clock management, and dual-configuration schemes supporting JTAG and Passive Serial configuration. The device also includes dedicated hardware for digital signal processing (DSP) blocks and memory interfaces including DDR SDRAM controllers, making it suitable for data-pipeline and datapath-intensive designs that exceed the resources of smaller CPLD and FPGA families. Architecturally, the APEX II family integrates Logic Array Blocks (LABs), Embedded System Blocks (ESBs) for RAM and ROM, FastTrack Interconnect, and I/O Elements (IOEs) supporting LVTTL, LVCMOS, SSTL, HSTL, LVDS, and LVPECL standards. The 0.15 µm copper process allows denser integration while keeping power manageable for high-density designs. Typical applications include high-speed telecommunication switching, ASIC prototyping, DSP co-processing, and PCI/PCI-X bus interfacing. The 672-FBGA package with 492 user I/Os accommodates high-pin-count parallel buses and multi-channel LVDS links. When designing with this FPGA, plan BGA fanout for the 672-pin FC-FBGA, use controlled-impedance routing for LVDS pairs, and plan thermal dissipation for sustained high toggle rates. Altera Quartus II is the supported toolchain for compilation and configuration image generation. This page synthesizes distributor pricing, parametric data, and engineering design context not found on the standalone manufacturer datasheet, providing a single decision-ready reference for procurement and design teams.

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EP2A15F672C9 - 16,640-Cell APEX II FPGA, 672-FBGA | Intel / Altera
EP2A15F672C9

EP2A15F672C9 - 16,640-Cell APEX II FPGA, 672-FBGA | Intel / Altera

The Intel (formerly Altera) EP2A15F672C9 is a member of the APEX II programmable logic device family, delivering 600 K usable gates, 16,640 logic elements, and 492 user I/Os in a 27 x 27 mm, 672-ball FineLine BGA package. Fabricated on a 0.15 µm all-layer copper process with up to eight metal layers, the device supports True-LVDS, LVPECL, pseudo-CML, and HyperTransport signaling at 1 Gbps per pin, making it suitable for high-bandwidth parallel I/O. An FPGA (Field-Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory blocks, and programmable interconnect, all controlled by a user-defined SRAM configuration bitstream. Within the broader taxonomy of programmable logic, APEX II sits between traditional CPLDs and modern high-density FPGAs: it provides LUT-based logic plus embedded dual-port RAM, and supports multiplier blocks for DSP workloads. As a member of the power-management and digital-logic ecosystem, an FPGA like the EP2A15F672C9 typically replaces discrete glue logic, custom ASICs, and DSP processors in communications, video, and embedded compute systems. Key features of the EP2A15F672C9 include 16640 logic elements (LEs), 1664 macrocells, a maximum internal operating frequency in the 300-400 MHz range, 0.15 µm CMOS process technology, and a core supply of 1.5 V. The device also provides dedicated True-LVDS / LVPECL / PCML differential I/O channels rated up to 1 Gbps, embedded system blocks (ESBs) for dual-port RAM and FIFO, JTAG-based IEEE 1149.1 boundary-scan test support, and on-chip PLLs for clock multiplication and deskew. The FineLine BGA-672 substrate enables dense board-level routing while preserving signal integrity on high-speed parallel buses. Architecturally, the EP2A15F672C9 relies on a row/column-based embedded array, with each Logic Array Block (LAB) containing 10 LEs, fast carry chains, and cascade paths. ESBs implement dual-port RAM with byte enables, while the APEX II MultiCore interconnect links logic, memory, and I/O elements via continuous, fast, and direct routing resources. The process and the dedicated I/O circuitry together enable 1 Gbps True-LVDS operation - a leading-edge specification for the early-2000s APEX II generation. Typical applications include high-speed parallel data acquisition systems, telecom backplane bridges, video broadcast and image-processing pipelines, network routers and switches with custom protocol offload, and military/aerospace signal processing. The combination of 492 user I/Os, 1 Gbps LVDS channels, and embedded multipliers makes the EP2A15F672C9 particularly well suited to multi-channel serializers / deserializers (SERDES) and protocol-conversion designs. When designing with this part, careful attention must be paid to signal-integrity on the 1 Gbps LVDS pairs, decoupled supply islands for the 1.5 V core and 3.3 V I/O rails, and thermal management of the 27 x 27 mm BGA under high toggle rates. Configuration via the passive or active serial scheme should be validated against the target JTAG/AS port topology before board bring-up. This page synthesizes distributor pricing snapshots, same-brand drop-in alternatives from the APEX II family, and practical design notes that complement (rather than duplicate) the original Altera APEX II Programmable Logic Device Family datasheet (DS-APEXII-3.0, August 2002).

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EP2A15F672C9N - 600K Gates, 16640 Cells APEX II FPGA | Intel / Altera
EP2A15F672C9N

EP2A15F672C9N - 600K Gates, 16640 Cells APEX II FPGA | Intel / Altera

The Intel / Altera EP2A15F672C9N is a high-density APEX II family FPGA implementing 600,000 gates of logic with 16,640 logic cells, housed in a 672-ball FineLine FC-FBGA package measuring 27 x 27 mm with 1 mm pitch. It is fabricated on a 0.15 µm all-layer copper CMOS process with up to eight metal layers and a 1.5 V core supply. The device is currently second-sourced under the Intel brand following the Altera acquisition. An FPGA (Field Programmable Gate Array) is a programmable logic device that combines configurable logic blocks (CLBs), embedded memory, I/O elements, and routing resources on a single die. FPGAs sit in the broader semiconductor hierarchy as a sub-category of programmable logic devices (PLDs), which also include CPLDs and SPLDs; within that taxonomy the APEX II family is positioned for high-density data-path and datapath-intensive designs where ASIC-like performance is required but with post-fabrication programmability. Key features of the EP2A15F672C9N include 492 user I/O pins, 1.94 ns propagation delay (per the chipdig.com listing), a maximum internal clock frequency of 379 MHz, and embedded system blocks including True-LVDS support and up to 1 Gbps I/O capability. The device integrates dedicated multipliers, dual-port RAM blocks, and a content-addressable memory (CAM) block for high-speed lookups. PLLs are provided for on-chip clock synthesis and skew management. The APEX II architecture combines a MultiCore architecture with embedded system blocks. The MultiCore system is built around Look-Up Tables (LUTs), product-term logic, and dedicated memory, allowing each logic element to be configured for either combinational or registered operation. Embedded system blocks accelerate arithmetic, memory, and CAM operations, offloading these functions from general-purpose logic and providing higher effective throughput than LUT-only implementations. Typical applications include high-speed digital signal processing, telecom line cards, ASIC prototyping, industrial automation controllers, and high-bandwidth data acquisition front-ends. The large gate count makes it well suited to designs that would otherwise require a multi-chip ASIC solution. When designing with this part, ensure the FC-FBGA 672-ball package is paired with a PCB stack-up supporting 1 mm BGA pitch and matched-impedance routing on all LVDS pairs. Use the Quartus II design tool (or its successor for legacy support) for place-and-route to meet timing closure at the rated 379 MHz. This page synthesizes distributor pricing, drop-in alternatives, package-level pinout, and practical design notes not aggregated in the manufacturer datasheet, providing a single reference for engineers and procurement teams evaluating the EP2A15F672C9N.

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EP2A15F672I8 - APEX II 600K Gate FPGA, 672-FBGA | Altera
EP2A15F672I8

EP2A15F672I8 - APEX II 600K Gate FPGA, 672-FBGA | Altera

The Altera (now Intel) EP2A15F672I8 is a member of the APEX II family of FPGAs built on a 0.15-µm all-layer copper-metal process with up to eight metal layers, packaged in a 672-ball FineLine BGA (FBGA, 27 x 27 mm, 1.0 mm pitch). The device integrates approximately 600K typical gates and 16,640 logic elements (cells), supporting a maximum internal clock frequency of 435 MHz with a propagation delay around 1.94 ns and is fabricated as a 1.5 V core CMOS PLD. A Field-Programmable Gate Array (FPGA) is a reprogrammable integrated circuit whose logic, interconnect, and I/O behavior are configured by the user after manufacture via a configuration bitstream stored in SRAM or antifuse. APEX II sits in the historical Altera device hierarchy as APEX II -> APEX -> PLD -> programmable logic device -> semiconductor, and as a Look-Up Table (LUT)-based coarse-grained FPGA it sits alongside structured-ASIC predecessors and contemporary CPLDs at the high-density end of programmable logic. Key features of the EP2A15F672I8 include 492 user I/O pins (LVTTL/LVCMOS compatible), MultiVolt I/O support, embedded system blocks (ESBs) for dual-port RAM and FIFO, embedded array blocks (EABs), up to 416 Kbits of embedded memory, and dedicated clock management circuits (PLL-like clockLock/clockBoost circuitry in the APEX II architecture). Per-pin and per-bank I/O standards are software-configurable via the Quartus design tool. Typical applications include high-speed communications line cards, telecom backplane interfaces, DSP co-processing engines, industrial control and machine-vision front-ends, and PCI/PCI-X system interconnect bridging. Designers select this device when they need high logic density combined with up to 1 Gbps LVDS-style I/O capability (the APEX II platform advertises up to 1 gigabit-per-second serial I/O bandwidth). When designing with this part, pay attention to the FBGA 27 x 27 mm footprint and 1.0 mm pitch — it requires multilayer PCB with microvia or via-in-pad fabrication. The industrial-grade -40 °C to 100 °C junction range makes it suitable for harsh-environment systems but engineering samples of this part are no longer in active production.

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EP2A25B652C7 - APEX II FPGA, 652-pin BGA | Intel / Altera
EP2A25B652C7

EP2A25B652C7 - APEX II FPGA, 652-pin BGA | Intel / Altera

The Intel (formerly Altera) EP2A25B652C7 is a member of the APEX II family of embedded FPGAs, integrating a high-density programmable logic fabric with a 652-ball FineLine BGA package and a -7 speed grade. It provides approximately 25,000 logic elements backed by embedded system blocks (ESBs) for dual-port RAM and CAM, and a dedicated MultiCore interconnect routing architecture that minimizes timing skew across wide buses. The device is fabricated on a sub-micron CMOS process and operates from a 1.5 V core supply with separate I/O bank voltages. What is an FPGA? A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around a matrix of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that engineers can reconfigure after manufacturing. FPGAs sit within the broader hierarchy of programmable logic devices (PLDs), above simple CPLDs in density and below ASICs in per-unit cost at high volume. APEX II is Altera's mid-to-high density family targeted at ASIC prototyping, high-speed datapath glue logic, and embedded system bus bridging. EP2A25B652C7 supports LVTTL, LVCMOS, SSTL, and LVDS I/O standards with up to 16 LVDS channels per bank. Key features of EP2A25B652C7 include approximately 40,960 RAM bits distributed across embedded system blocks, four phase-locked loops for clock multiplication and deskew, JTAG IEEE 1149.1 boundary-scan support, and on-chip pull-up resistors configurable per pin. The 652-ball FineLine BGA exposes up to 488 user I/O pins across multiple I/O banks with independent VCCIO rails, allowing mixed-voltage interfacing on a single die. Boundary-scan and SignalTap-style embedded logic analysis are supported via Altera's Quartus II design software. The APEX II architecture combines a MultiCore interconnect with look-up-table based logic elements, ESBs that can be configured as either dual-port SRAM, single-port SRAM, ROM, or CAM, and dedicated high-speed carry chains for arithmetic-intensive datapaths. The four PLLs provide clock multiplication, division, phase shifting, and external clock feedback, enabling precise timing alignment in multi-clock domain designs. Compared to the original APEX family, APEX II doubles the available ESBs and improves interconnect speed by approximately 30 percent. Typical applications for EP2A25B652C7 include ASIC prototyping and emulation, telecommunications line cards, high-speed bridge and protocol converter logic, DSP co-processing front-ends, and industrial control glue logic. The 652-pin BGA package supports the high I/O count required for parallel bus interfaces such as 64-bit PCI, UTOPIA, and POS-PHY, as well as LVDS-based SERDES companion chips. It is also commonly used in legacy telecom backplane designs and military/aerospace prototypes where the APEX II family's long-term availability through industrial distributors is valued. When designing with EP2A25B652C7, ensure that PCB layout follows Altera's FineLine BGA escape and decoupling guidelines: at least one 0.1 microfarad ceramic capacitor per VCC pin pair, four 10 microfarad bulk capacitors under the package, and a continuous power plane on inner layers. Verify JTAG chain ordering against the BSDL file before production programming, and derate I/O timing by 10 to 15 percent to compensate for board-level skew on high-fanout nets. This page synthesizes distributor stock levels, the same-family APEX II alternative MPNs already indexed on XAIPART, and practical design notes not aggregated in the manufacturer datasheet alone, enabling faster sourcing decisions for engineering teams working on legacy or long-life-cycle designs.

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EP2A25B652C8 - Altera APEX II FPGA, 25K LE, BGA-652 | Intel FPGA
EP2A25B652C8

EP2A25B652C8 - Altera APEX II FPGA, 25K LE, BGA-652 | Intel FPGA

The Intel (formerly Altera) EP2A25B652C8 is a member of the APEX II family of high-density FPGAs in a 652-pin BGA package with -8 speed grade and commercial (0C to +85C) temperature rating. Built on a 0.15-micron CMOS process with embedded SRAM, the APEX II device integrates up to 25,000 logic elements together with embedded system blocks, PLLs, and high-speed LVDS interfaces. The 'C8' suffix denotes the -8 speed grade (C = commercial, 8 = speed bin), and 'B652' identifies the 652-ball FineLine BGA package. An FPGA (Field Programmable Gate Array) is a programmable logic device whose interconnect and logic resources are configured by the user after manufacture. In the system hierarchy, FPGAs sit between microcontrollers (fixed-function) and ASICs (custom silicon), offering high logic density, parallel DSP capability, and reconfigurable I/O. The APEX II family specifically targets high-bandwidth datapath, telecommunications, and DSP applications that benefit from dedicated multipliers, embedded memory, and multi-gigabit LVDS I/O. Key features include embedded system blocks (ESBs) implementing dual-port RAM, ROM, and CAM, dedicated hardware multipliers for DSP, four PLLs for clock management, and high-speed LVDS I/O pairs supporting DDR memory interfaces. The device supports multiple I/O standards including LVTTL, LVCMOS, SSTL, and HSTL, enabling direct interface to modern memory and bus architectures. Configuration is supported via passive serial, passive parallel, and JTAG modes, with optional configuration via Altera EPC configuration devices. Architecturally, APEX II combines the MultiCore architecture of APEX 20KE with additional embedded memory bandwidth and enhanced I/O capability. The lookup-table based logic elements (LEs) feed into MegaLAB structures that contain ESBs and continuous LEs-to-ESB interconnect, allowing efficient implementation of wide datapaths. The hardware multiplier blocks accelerate FIR filters and FFT computations without consuming general-purpose logic. Typical applications include telecommunications infrastructure (multi-channel basestation DSP, SONET/SDH framer backplanes), high-speed networking line cards, video broadcast equipment (HD-SDI routing, MPEG processing), and military/aerospace signal processing. The -8 speed grade and BGA-652 package make this device particularly suited to high-density backplane designs where hundreds of signal pins and several hundred I/Os are required. When designing with the EP2A25B652C8, plan for a multi-layer PCB with continuous power and ground planes under the BGA. The Quartus II design suite (or later Intel Quartus Prime) supports this device, but newer tool versions are recommended for productivity. Decoupling must follow Altera's APEX II pin connection guidelines: every VCCINT and VCCIO pin must have a dedicated decoupling capacitor with short traces to the ground plane. This page consolidates distributor stock, exact-package drop-in alternatives, and engineering guidance specific to the EP2A25B652C8 that are not available on any single distributor or datasheet page.

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EP2A25B652C9 - 24K LE APEX II FPGA 652-pin BGA | Intel
EP2A25B652C9

EP2A25B652C9 - 24K LE APEX II FPGA 652-pin BGA | Intel

The Intel EP2A25B652C9 is a member of the APEX II programmable logic device family, integrating approximately 24,320 logic elements in a 652-ball FineLine BGA package. It is fabricated on a 0.18 µm CMOS process with embedded system blocks, embedded memory, and high-speed interconnect, targeting high-density, high-throughput digital designs such as telecommunications backplanes, image processing, and DSP co-processing. The 'C9' speed grade indicates a -7 (commercial, fast) timing grade operating at the core VCCINT level used by APEX II devices. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit whose digital logic function is defined by the customer's configuration bitstream rather than by the foundry mask set. FPGAs sit at the top of the programmable logic hierarchy, above CPLDs in density and below ASICs in unit cost at very high volumes. APEX II devices specifically extend the APEX architecture with embedded multipliers, embedded memory blocks (EABs), and high-speed LVDS-capable I/O, enabling single-chip implementation of datapath-intensive systems. Key features include up to 24,320 logic elements, embedded array blocks for wide memory and multiplier functions, multi-gigabit interconnect support, and JTAG-based in-system programmability via the IEEE 1149.1 boundary-scan interface. The device supports multiple I/O standards including LVTTL, LVCMOS, SSTL, and LVDS through programmable I/O buffers, allowing direct interfacing with DDR SDRAM, ZBT SRAM, and legacy TTL peripherals. The APEX II architecture combines a multi-level routing fabric (FastTrack, MegaLAB, and DirectDrive interconnect) with embedded system blocks, giving designers a flexible platform for bus-oriented designs. Multi-voltage I/O banks allow independent selection of 1.5 V, 1.8 V, 2.5 V, or 3.3 V signalling on the same die, simplifying mixed-voltage board designs. Typical applications include telecommunications line-card datapaths, baseband processing, video and imaging pipelines, and ASIC prototyping. APEX II devices were widely adopted in late-1990s and early-2000s communications infrastructure and continue to appear in long-lifecycle industrial and aerospace systems that depend on stable supply. When designing with this device, plan power sequencing carefully: VCCINT must ramp before VCCIO to avoid latch-up, and decoupling must use a low-impedance distribution network with multiple bulk and ceramic capacitors near each bank. Configuration should default to a fail-safe scheme (e.g. MAX configuration) so that unconfigured I/O do not drive the board at power-up.

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EP2A25B724-C7 - APEX II FPGA, 540 I/O, 724-FCBGA | Intel
EP2A25B724-C7

EP2A25B724-C7 - APEX II FPGA, 540 I/O, 724-FCBGA | Intel

The Intel (formerly Altera) EP2A25B724-C7 is a member of the APEX II family of Field Programmable Gate Arrays (FPGAs), built on a 0.15 µm all-layer copper-metal fabrication process with up to eight metal layers, and housed in a 724-ball Fine-pitch Chip Ball Grid Array (FCBGA) package with 540 user I/Os. The device integrates 622,592 system gates and 24,320 logic elements, supported by embedded system blocks (ESBs) for on-chip memory and product-term logic, making it suitable for high-density, high-performance programmable logic designs. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the designer can reconfigure after manufacture. Within the broader taxonomy, the APEX II family belongs to high-density programmable logic, sitting above simple PLDs and CPLDs, and below structured ASICs in terms of integration scale. APEX II devices target applications requiring on-chip memory, DSP arithmetic, and high-speed serial connectivity without the NRE cost of an ASIC. Key features include 1.5 V core operation, embedded True-LVDS, LVPECL, PCML, and HyperTransport interface support capable of 1 Gbps per channel, dedicated high-speed clock networks with up to eight PLLs, and on-chip ESBs that can each be configured as a 4 Kbit SRAM block or product-term logic. The device supports multi-voltage I/O standards (1.5 V, 1.8 V, 2.5 V, 3.3 V) through banks of I/O pins, allowing direct interfacing to a wide variety of processors, memories, and bus standards. Architecturally, APEX II combines a MultiCore architecture of look-up tables, product-term logic, and embedded memory into a single fabric. The combination delivers fine-grained logic density for state machines and datapaths, while embedded multipliers and on-chip RAM eliminate the need for external DSP or SRAM devices in many signal-processing designs. The 1-Gbps True-LVDS capability reduces pin count for high-speed parallel buses by aggregating data on differential pairs. Typical applications include high-speed telecommunications backplanes, multi-gigabit serial protocol bridges, network switch fabrics, radar and signal-processing front ends, and ASIC prototyping. The 540 user I/Os and 724-ball FCBGA package also suit high-channel-count instrumentation where many parallel LVDS lanes or memory interfaces must be supported simultaneously. When designing with the EP2A25B724-C7, plan for a robust power distribution network with bulk decoupling close to each I/O bank, follow the manufacturer's BGA escape and routing guidelines for the 1-mm-pitch FCBGA, and validate the chosen configuration mode against Quartus II support for the APEX II device family before committing to layout. The '-C7' speed grade indicates commercial temperature range and a specific timing closure window; verify against your timing budget before sign-off. This page synthesizes distributor pricing snapshots, drop-in alternatives from the same APEX II family, and practical design considerations that are not collected in any single place in the manufacturer datasheet, helping procurement and hardware engineers evaluate the EP2A25B724-C7 in one pass.

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EP2A25B724C7 - APEX II FPGA 540 I/O 724-FCBGA | Altera
EP2A25B724C7

EP2A25B724C7 - APEX II FPGA 540 I/O 724-FCBGA | Altera

The Altera EP2A25B724C7 is a member of the APEX II family of Field Programmable Gate Arrays (FPGAs), delivering 900K system gates with 24,320 logic elements in a 724-pin FCBGA package. Operating at a core voltage of 1.5V and a maximum internal frequency of 500 MHz, this device is fabricated on a 0.15 µm CMOS process and provides 540 user I/O pins for high-density interfacing. The -C7 speed grade targets the -7 speed bin, balancing timing margin against logic throughput. An FPGA (Field Programmable Gate Array) is a reprogrammable semiconductor that implements arbitrary digital logic through a configurable array of logic elements (LEs), embedded memory blocks, and routing interconnects. FPGAs sit between fixed-function ASICs and discrete logic, offering hardware-level parallelism, deterministic latency, and post-manufacture design revision. Within the broader taxonomy, FPGAs are a subset of programmable logic devices (PLDs), distinct from CPLDs by their higher logic density, embedded RAM, and on-die multipliers. The APEX II family specifically combines Look-Up Table (LUT)-based logic elements with embedded memory and dedicated carry chains optimized for DSP and datapath workloads. Key features include up to 24,320 logic elements, embedded system blocks (ESBs) implementing dual-port RAM and ROM, dedicated multiplier support for DSP, multi-volt I/O standards including LVTTL, LVCMOS, SSTL, and HSTL, and 8 PLLs for clock management. The 724-FCBGA package supports high signal-count designs with controlled-impedance traces and is compatible with multilayer PCB stack-ups. The device is rated for commercial operating temperatures and supports in-system programmability via JTAG. The EP2A25B724C7 is built on Altera's MultiCore architecture, integrating LUT-based logic with embedded memory and dedicated arithmetic resources on the same die. The 1.5V core supply and 0.15 µm process reduce dynamic power relative to older APEX devices while preserving pin compatibility across speed grades. Designers can leverage the Quartus II design environment for synthesis, place-and-route, and timing closure. Typical applications include high-throughput digital signal processing, telecommunication baseband processing, industrial machine vision, and high-speed data acquisition front-ends. The combination of 540 user I/Os and 24K logic elements makes the EP2A25B724C7 well suited for protocol bridging and parallel processing engines. When designing with this device, allocate at least four PCB layers with dedicated ground and power planes, use 1 oz copper for high-current rails, and follow Altera's pin-out guidelines for FCBGA breakout. Decoupling should include 0.1 µF ceramics at every VCC pin and bulk capacitors near each supply island. Verify signal integrity on DDR/QSPI interfaces with controlled-impedance routing and length matching. This page synthesizes distributor pricing, lifecycle observations, and drop-in same-brand speed-grade alternatives sourced from the Altera APEX II family datasheet, providing a one-stop engineering summary not found in any single distributor listing.

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