FPGA & CPLD
Produtos (6666)
EPF10K50SQC240-1N - FLEX 10KS FPGA 50K Gates 240-PQFP | Intel
The Intel (formerly Altera) EPF10K50SQC240-1N is a FLEX 10KS family Field Programmable Gate Array (FPGA) delivering 50,000 typical gates (40,960 system gates) with 2,880 logic elements packaged in a 240-pin Plastic Quad Flat Pack (PQFP/BFQFP) measuring 32x32 mm. The device operates from a 2.375V to 2.625V core supply, runs up to 250 MHz internal frequency, and exposes 189 user I/Os for external interfacing. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit built from an array of configurable logic blocks (CLBs), embedded memory, and programmable interconnect that designers program after manufacture. FPGAs sit in the broader hierarchy of programmable logic devices (PLDs), above simple CPLDs, and below custom ASICs in terms of integration density and NRE cost. The FLEX 10KS family from Altera pioneered embedded System-on-a-Programmable-Chip (SOPC) integration by combining a logic array fabric with dedicated Embedded Array Blocks (EABs) used as RAM, ROM, or multiplier functions. Key features include 360 Logic Array Blocks (LABs), built-in Joint Test Action Group (JTAG) boundary-scan test circuitry compliant with IEEE Std. 1149.1-1990, and PCI Local Bus Specification Revision 2.2 compliance for both 3.3V and 5.0V operation at 33 MHz or 66 MHz on -1 speed grade devices. The 0.22 micrometer CMOS process delivers propagation delays as low as 0.6 ns in faster speed grades, while integrated clock management and PLL blocks simplify timing closure. Architecturally, each LAB contains 10 Logic Elements (LEs), and each LE contains a 4-input look-up table, a programmable register, and a carry chain for arithmetic. EABs provide 2 Kbits of dual-port RAM each, and the same fabric can be configured as synchronous SRAM or read-only memory. The device supports in-system programmability via the serial configuration EPROM interface and ByteBlaster download cables. Typical applications include telecommunications line cards, industrial motor control, PCI interface glue logic, glue logic between legacy microprocessors and peripherals, and digital signal processing front-ends. The wide 189-I/O count suits bus-intensive designs like 32-bit processor bridges and peripheral controllers. Designers often select this part for legacy system maintenance where the FLEX 10K silicon is already qualified. A key design consideration is configuration storage: FPGAs require an external configuration EPROM (such as an EPC2 or EPC8) or a microcontroller to load the bitstream at power-up. The -1N suffix indicates commercial temperature grade (0C to 70C) and the slower -1 speed grade; engineers needing higher performance should evaluate -2 or -3 speed grades in the same footprint. This page synthesizes distributor pricing, drop-in alternatives from the same FLEX 10K family, and practical design notes that complement the manufacturer datasheet.
EPF10K50SQC240-2N - 50K Gate FLEX 10KE FPGA, 240-PQFP | Intel
The Intel / Altera EPF10K50SQC240-2N is a FLEX 10KE family Field Programmable Gate Array (FPGA) delivering 50,000 system gates and 2,880 logic cells in a 240-pin Plastic Quad Flat Pack (PQFP) package. Built on a 0.22 µm CMOS process with a 2.5 V core supply, it operates up to 200 MHz internal frequency and is rated for commercial 0 °C to 70 °C ambient temperature. The device features 189 user I/Os and 360 Logic Array Blocks (LABs) with embedded array blocks (EABs) for on-chip SRAM implementation. What is a FPGA? A Field-Programmable Gate Array is a semiconductor device built around a matrix of configurable logic blocks (CLBs / LABs) connected by programmable interconnect. FPGAs occupy a tier above simple PLDs and CPLDs in the programmable logic hierarchy because they integrate RAM blocks, multipliers (in newer families) and dedicated I/O, allowing entire digital subsystems to be implemented in a single chip. The FLEX 10KE family from Altera (now Intel PSG) is positioned as a cost-optimized mid-density family for glue logic, bus bridging, and DSP co-processing. Key features include 40,960 typical gate count, 2,880 logic elements, dedicated dual-port RAM via EABs, multi-voltage I/O supporting 2.5 V / 3.3 V / 5.0 V mixed-signal interfacing, in-system programmability via the IEEE 1149.1 JTAG interface, and SameFrame pin-out migration allowing density migration within the same footprint. The 240-pin PQFP package measures 32.0 mm × 32.0 mm × 3.4 mm with 0.5 mm pitch and gull-wing leads. The FLEX 10KE architecture combines a fine-grained Logic Element (LE) fabric with coarse-grained EABs, each EAB providing up to 2,048 bits of RAM that Altera software can automatically combine to match designer memory requirements. MultiVolt I/O pins allow interfacing with 5.0 V, 3.3 V, and 2.5 V devices without external level shifters. Typical applications include PCI bus interface bridges, custom DSP co-processors, industrial control glue logic, telecommunications line-card controllers, and legacy system prototyping. The wide operating temperature range and SameFrame footprint migration also make the family suitable for long-lifecycle industrial designs. When designing with this part, ensure the Quartus II or MAX+PLUS II toolchain (depending on design age) supports the FLEX 10KE device family - legacy parts may require older Altera software versions. Decoupling: place 0.1 µF ceramic capacitors within 5 mm of every VCCINT / VCCIO pin pair. JTAG chain: configure via ByteBlaster or USB-Blaster and observe TCK pull-down requirements. This page synthesizes distributor pricing, drop-in FLEX 10KE same-package alternatives, and practical JTAG/Quartus design notes not found in the original Altera FLEX 10KE Embedded Programmable Logic Devices Data Sheet.
EPF10K50SQC240-3N - FLEX 10KE 50K Gates FPGA, 240-PQFP | Altera / Intel
The Intel (formerly Altera) EPF10K50SQC240-3N is a member of the FLEX 10KE family of SRAM-based Field Programmable Gate Arrays (FPGAs), delivering 50,000 typical gates (40,960 system gates), 2,880 logic elements, 360 Logic Array Blocks (LABs), and 189 user I/Os in a 240-pin Power Quad Flat Pack (PQFP) package. The "-3N" speed grade corresponds to a faster Fmax of 166.67 MHz, while the trailing "N" denotes a lead-free / Pb-free industrial finish. The die is built on a 0.22 µm CMOS process with a 2.5 V core supply, supporting 5.0 V tolerant I/O through the FLEX 10KE multi-voltage interface. Background: An FPGA (Field-Programmable Gate Array) is a programmable logic device that combines the integration density of a gate array with the design flexibility of user-defined interconnect. FPGAs sit in the broader taxonomy of programmable logic devices (PLDs), which include SPLDs, CPLDs, and FPGAs. The FLEX 10KE family pioneered embedded array blocks (EABs) for System-on-a-Programmable-Chip (SOPC) integration, blending dedicated SRAM blocks with general-purpose logic for memory-intensive glue logic, datapath, and bus-interface applications. The EPF10K50SQC240-3N occupies the mid-density position of that family. Key features include 40,960 system gates, 2,880 logic cells, 12 embedded array blocks (EABs) providing up to 24 Kbits of on-chip SRAM, 360 LABs of structured logic, 189 user I/Os, and a 0.6000 ns pin-to-pin propagation delay. IEEE Std. 1149.1 JTAG boundary-scan is supported, with built-in test circuitry adding up to 31,250 gates of dedicated test logic. MultiVolt I/O compatibility lets the device interface with 2.5 V, 3.3 V, and 5.0 V logic rails from a single 2.5 V VCCINT supply. The FLEX 10KE architecture uses a four-input look-up table (LUT) with a fast carry chain, providing predictable 0.6 ns combinational delay and dedicated high-speed interconnect for arithmetic and bus functions. The 12 EABs each implement 2 Kbits of dual-port RAM, ROM, or product-term logic, enabling efficient FIFO, CAM, and datapath designs without external memory. Typical applications include glue-logic integration between microprocessors and peripherals, PCI bus interface controllers, high-speed datapath and FIFO buffers, telecom backplane glue logic, industrial control state machines, and legacy 5 V-tolerant bridges between modern 3.3 V controllers and 5 V peripherals. Designers migrating from discrete TTL/CMOS glue can consolidate dozens of packages into one FLEX 10KE device. When designing with the EPF10K50SQC240-3N, ensure proper decoupling on VCCINT and VCCIO pins, observe JTAG chain integrity for in-system programming, and verify timing closure with the Quartus II design tool that targets the FLEX 10KE family. The -3 speed grade is preferred when the design is timing-critical; the -1 or -2 grades can be used when Fmax is not the limiting factor. This page synthesizes distributor pricing, SameFrame pin-compatible migration paths, and FLEX 10KE design notes not consolidated in the original Altera datasheet, enabling faster part selection, sourcing, and PCB layout decisions for legacy FPGA retrofits.
EPF10K50STC144-2 - 50K Gates FLEX-10KS FPGA, 102 I/O, 144-TQFP | Intel
The Intel (formerly Altera) EPF10K50STC144-2 is a member of the FLEX-10KS family of Field Programmable Gate Arrays, delivering 50,000 typical gate density with 2,880 logic elements and 40,960 bits of embedded SRAM in a 144-pin TQFP package. Per the manufacturer datasheet, the device provides 102 user I/O pins, 360 Logic Array Blocks (LABs), and a maximum internal frequency of 66.67 MHz with 0.6 ns propagation delay. A Field Programmable Gate Array (FPGA) is a type of Programmable Logic Device (PLD) that combines configurable logic blocks, programmable interconnect, and I/O cells on a single semiconductor die. The FLEX-10KS architecture sits within the broader hierarchy: PLD -> FPGA -> Complex Programmable Logic Device (CPLD) hybrid family. The FLEX-10KS is notable as one of the first System-on-a-Programmable-Chip (SOPC) capable families, integrating an embedded array block for RAM and ROM functions alongside the logic array. Key features include in-system programmability via SRAM configuration cells (allowing reconfiguration without removing the device), support for multiple I/O standards (LVTTL, LVCMOS, PCI), and an internal frequency specification of 66.67 MHz. The device operates on a 5.0 V core supply and supports JTAG-based boundary-scan testing per IEEE 1149.1. The package is a 144-pin Low-profile Fine-pitch Quad Flat Pack (LQFP/TQFP), surface mount, gull-wing lead form. The FLEX-10KS architecture uses a CMOS logic fabric with continuous interconnect routing channels between LABs. Each LAB contains ten Logic Elements (LEs), each comprising a 4-input look-up table, a programmable register, and a dedicated carry chain. The embedded array blocks (EABs) provide 2 Kbit of dual-port RAM per block and can be cascaded to form larger memory structures, which was a distinctive feature at the time of introduction. Typical applications include glue logic replacement, custom interface bridging (e.g., PCI to legacy bus), industrial control systems, telecommunications line cards, and prototype ASIC emulation. The 102 I/O count is well suited to designs requiring moderate external connectivity, such as multi-port memory controllers or parallel data acquisition systems. When designing with the EPF10K50STC144-2, engineers should pay attention to configuration mode selection (Passive Serial, Passive Parallel Synchronous, Passive Parallel Asynchronous, or JTAG) and ensure the nCONFIG and nSTATUS pins have proper pull-up resistors during power-up sequencing. The SRAM-based configuration means the device must be reconfigured on every power-up unless an external configuration memory is used. This page synthesizes distributor pricing, drop-in compatible FLEX-10KS variants, and practical design notes not found in the manufacturer datasheet alone.
EPF10K50STC144-3 - FLEX 10KS 50K-Gate FPGA 2880 Cells | Altera
The Altera EPF10K50STC144-3 is a member of the FLEX 10KS series of high-density SRAM-based Field-Programmable Gate Arrays (FPGAs), providing 50,000 typical gates, 2,880 logic elements, and 40,960 RAM bits in a 144-pin TQFP commercial-grade package. According to the manufacturer product description, the device integrates 102 user I/Os, operates from a 2.5V core supply with 5.0V-tolerant I/O, and supports an internal operating frequency up to 166.67 MHz. The trailing -3 speed grade denotes a faster propagation delay bin than the -2 or -1 grades of the same family. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be configured by the customer or designer after manufacturing to implement arbitrary digital logic. The FLEX 10KS architecture is a hierarchical SRAM-based PLD that combines fine-grain logic elements (LEs) grouped into Logic Array Blocks (LABs) with embedded array blocks (EABs) for memory functions. Within the broader taxonomy, the FLEX 10KS sits below modern Cyclone and Stratix families but above simple CPLDs, targeting glue-logic, bus-bridging, and medium-density state-machine designs. Key features include 360 LABs, 102 maximum user I/Os, JTAG IEEE Std. 1149.1 boundary-scan support built-in, and on-chip configuration memory. The 144-LQFP (also referenced as LFQFP / TQFP) package is a plastic gull-wing surface-mount form factor rated for commercial operating temperature. The SRAM-based configuration is volatile, requiring an external configuration device (EPC) at power-up. A built-in Joint Test Action Group (JTAG) boundary-scan test circuit is compliant with IEEE Std. 1149.1-1990 and consumes no additional device logic. The EPF10K50STC144-3 -3 speed grade offers tighter propagation delay than the -2 grade of the same family, making it preferred for designs that approach the upper frequency ceiling of 166.67 MHz. The architecture is implemented in a 0.22 um CMOS process, and the device is intended for commercial (0C to 70C) operating environments. Typical applications include telecommunications interface cards, industrial control and bridging logic, mid-density bus controllers, and legacy system upgrades. Design considerations for this device include mandatory configuration ROM selection (EPC1/EPC2 family), careful power-supply sequencing of 2.5V core and 5.0V I/O rails, and I/O bank planning against the available 102 user pins. Note: the FLEX 10K family is mature and was succeeded by ACEX 1K, Cyclone, and MAX families in the Altera (now Intel PSG) roadmap. This page synthesizes distributor pricing, drop-in alternatives, pinout references, and practical design notes for the EPF10K50STC144-3 that are not found in a single manufacturer datasheet.
EPF10K50VBC356-1N - FLEX 10K 50K Gates 356-BGA FPGA | Altera
The Altera (Intel) EPF10K50VBC356-1N is a member of the FLEX 10K family of FPGAs featuring 50,000 gates, 2,880 logic cells, 360 LABs, and 274 user I/Os, fabricated on a 0.42 µm CMOS process and housed in a 356-pin LBGA (35x35 mm) package. It is rated for commercial operating temperature (0°C to 70°C) with a 3.3 V core supply (3.0 V to 3.6 V) and supports an internal frequency of up to 66.67 MHz with a propagation delay of approximately 0.6 ns. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and embedded memory blocks that can be reconfigured by the designer after manufacturing. Within the power-management and digital-logic hierarchy, FPGAs sit alongside microcontrollers and DSPs as general-purpose programmable compute elements, but offer far higher parallelism and I/O counts. The FLEX 10K series was the industry's first family to integrate embedded array blocks (EABs) for on-chip megafunctions such as efficient memory, multipliers, and specialized logic functions, providing System-on-a-Programmable-Chip (SOPC) integration. Key features of the EPF10K50VBC356-1N include 360 Logic Array Blocks (LABs), 274 user I/Os, embedded array blocks for memory and DSP megafunctions, JTAG-based in-system programmability via the IEEE 1149.1 boundary-scan interface, and multi-voltage I/O support. The device is offered as the -1 speed grade, which represents the slowest (most conservative timing) of the FLEX 10K speed bins. The architecture combines a fine-grained logic fabric for glue logic and state machines with coarse-grained embedded array blocks (EABs) used to implement RAM, ROM, and arithmetic megafunctions. The 0.42 µm process and 3.3 V core supply were state-of-the-art when the family launched in the mid-1990s, and the 356-pin LBGA package provides the I/O density required for glue-logic, bus-interface, and co-processor applications of that era. Typical applications include industrial control logic, telecom line-card glue logic, legacy PCI/ISA bus bridges, prototyping platforms, and educational/embedded systems. The large 274-I/O count makes it well-suited to bus-intensive designs and to designs that must aggregate many peripheral interfaces. When designing with the EPF10K50VBC356-1N, engineers should note that this device is in mature lifecycle status with limited new-stock availability through authorized distributors; long-term production designs should plan for last-time-buy arrangements or consider migration to a Cyclone-series equivalent via Altera's legacy-device migration guide. PCB layout must follow JEDEC BGA guidelines, with microvia or via-in-pad recommended for the 1.27 mm pitch ball array. This page synthesizes distributor pricing, drop-in FLEX 10K family alternatives, lifecycle observations, and practical design notes not consolidated in the manufacturer datasheet alone.
EPF10K50VBC356-2 - FLEX 10K FPGA 50K Gates 356-BGA | Intel
The Intel (formerly Altera) EPF10K50VBC356-2 is a member of the FLEX 10K family of Field Programmable Gate Arrays (FPGAs), delivering 50,000 typical gates, 2,880 logic cells and 360 Logic Array Blocks (LABs) in a 356-pin LBGA package. Operating from a 3.3 V core supply with up to 274 user I/Os, the device is fabricated on a 0.42 µm CMOS process and supports internal frequencies up to 125 MHz. An FPGA (Field Programmable Gate Array) is a programmable logic device that combines the high integration density of a gate array with the design flexibility of in-system programmability. FPGAs sit within the broader programmable logic hierarchy (PLA -> PAL -> CPLD -> FPGA -> SoC FPGA) and are widely used to implement glue logic, high-speed datapaths, bus bridges and ASIC prototyping. The FLEX 10K family was the industry's first family to embed an array of RAM blocks alongside the logic fabric, enabling System-on-a-Programmable-Chip (SOPC) integration. Key features of the EPF10K50VBC356-2 include 20,480 typical flip-flops, 0.6 ns propagation delay through the Look-Up Table (LUT) and I/O blocks, CMOS logic family compatibility, 66.67 MHz internal frequency, and an operating temperature range of 0 °C to +70 °C for the commercial grade (-2 speed grade). The 356-pin LBGA (Low-profile Ball Grid Array) package provides high signal density and is suitable for SMT assembly on multi-layer boards. Architecturally, the device pairs a Logic Array of LABs with an Embedded Array Block (EAB) that provides dedicated dual-port RAM of up to 2048 bits per EAB. The I/O structure supports 5 V tolerant inputs and PCI-compliant operation, while in-system programmability via the Serial Passive (PS) configuration scheme allows rapid design iteration. The -2 speed grade places this EPF10K50V among the slower FLEX 10K speed bins, optimized for power-sensitive designs. Typical applications for the EPF10K50VBC356-2 include telecommunications line-card glue logic, industrial control bus bridging, ASIC prototyping, video and image processing front-ends, and legacy system replacements in equipment originally designed in the late 1990s. With its 274 user I/Os, the part is particularly attractive in designs that must aggregate multiple narrow buses into wider datapaths. When designing with this part, verify that your design tools (Quartus II or MAX+PLUS II) still target the FLEX 10K family and that the chosen power-sequencing scheme respects the device's 3.3 V core and I/O supply rails. The EPF10K50V family is now in NRND/EOL status on the Altera/Intel Product Discontinuance notice; for new designs, consider Cyclone IV or Cyclone V equivalents, and plan for last-time-buy if replacing existing stock.
EPF10K50VBC356-2N - FLEX 10K 50K-Gate FPGA | Intel | 356-BGA
The Intel (Altera) EPF10K50VBC356-2N is a member of the FLEX 10K family of embedded programmable logic devices, delivering 50,000 typical gates, 2,880 logic cells, and 274 user I/Os in a 356-ball LBGA package with 0.42 µm CMOS process technology and 3.3 V core supply. The -2N speed grade corresponds to a -2 performance tier and is rated for commercial operating temperature (0 °C to 70 °C per the datasheet header; Jotrin lists 0–85 °C for the broader FLEX 10K commercial variant). According to the verified web data, internal frequency is rated at 66.67 MHz with 0.6 ns propagation delay, fabricated on 0.42 µm CMOS at 3.3 V. A FLEX 10K device is a class of programmable logic device (PLD) — a digital integrated circuit whose logic function and interconnect are defined after manufacturing by the end user. FPGAs sit in the broader hierarchy of programmable logic: PLD → CPLD → FPGA → System-on-Programmable-Chip (SOPC). The FLEX 10K family was notable for embedding an array block alongside logic elements, an early step toward modern heterogeneous FPGA fabrics that combine dedicated multipliers, block RAM, and processor cores. This positions the EPF10K50VBC356-2N as an SOPC-class device for gate-array density at relatively low power. Key features include 50,000 typical gates, 2,880 logic cells, 20,480 typical bits of memory, 274 user I/Os, and 356-ball LBGA packaging. The device supports in-system programmability via SRAM configuration, allowing reconfigurable logic and rapid prototyping. It is built on a CMOS process with 3.3 V supply, making it suitable for mixed 5 V/3.3 V systems when paired with proper I/O buffering. Typical applications include industrial control logic, glue logic replacement, custom bus interfaces, prototyping platforms, and embedded control where a moderate gate count is sufficient. The 356-BGA package and 0.42 µm process place this part in legacy designs that are still maintained in long-life-cycle systems such as factory automation controllers and telecom infrastructure. When designing with this part, ensure your PCB layout accommodates the 1.27 mm BGA pitch and that decoupling capacitors are placed close to all supply balls. Note that FLEX 10K devices are largely NRND/EOL — verify current lifecycle status before new designs and plan obsolescence mitigation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
EPF10K50VBC356-3 - FLEX 10K FPGA, 50K Gates, 356-BGA | Altera
The Altera (Intel) EPF10K50VBC356-3 is a member of the FLEX 10K family of Field Programmable Gate Arrays (FPGAs) delivering approximately 50,000 typical gates, 20,480 logic elements (in the broader device family), 360 Logic Array Blocks (LABs), and 274 user I/Os, all housed in a 356-ball LBGA (BGA-356) package. It is a commercial-grade, SRAM-based programmable logic device offering embedded array blocks for true System-on-a-Programmable-Chip (SOPC) integration with up to 2,880 Kbits of embedded RAM. An FPGA (Field Programmable Gate Array) is a class of programmable logic device that combines the high integration of a gate array with the design flexibility of in-system programmability. Within the programmable logic hierarchy, FPGAs sit above CPLDs and below fixed-function ASICs: a CPLD is suited to glue-logic and small state machines, while an FPGA targets high-density datapath, DSP, and bus-interface functions. The FLEX 10K family specifically pioneered the embedded array block architecture that merged look-up-table logic with dedicated memory, allowing the designer to implement RAM, ROM, and FIFO functions without consuming general-purpose logic. Key differentiating features include 274 user I/Os (a high pin count for a 356-ball BGA device), 360 LABs each containing 8 Logic Elements, embedded array blocks (EABs) for memory-intensive functions, an internal performance up to 66.67 MHz in the -3 speed grade, and in-system programmability through the IEEE 1149.1 JTAG interface. The device supports multi-volt I/O operation including 5.0V, 3.3V, and 2.5V signaling, enabling bridging between legacy and modern logic families without external level shifters. The architecture is built on a 0.42 µm CMOS SRAM process with 5 layers of metal interconnect. Each LAB contains 8 LEs, and each LE includes a 4-input look-up table, a programmable register, and dedicated carry and cascade chains for high-speed arithmetic. The EAB provides 2 Kbits of dual-port RAM that can be configured as RAM, ROM, or FIFO, delivering the embedded memory density that distinguishes FLEX 10K from pure-logic FPGAs of its era. Typical applications include high-volume glue-logic replacement, custom peripheral controllers for embedded systems, industrial bus-interface bridges (PCI, VME), telecommunications backplane glue, and legacy system repair where the original part is now obsolete. The high I/O count and embedded RAM make it well-suited for datacom and telecom infrastructure that was designed in the late 1990s and is still in production service. When designing with this device, note that the -3 speed grade is the mid-tier offering; a -4 grade variant exists for higher performance applications. Ensure your JTAG chain and configuration PROM are properly designed, since FLEX 10K is configured from external serial EPROM at power-up. The 356-ball BGA requires careful PCB layout with controlled-impedance traces and a minimum of 4-layer stack-up to maintain signal integrity on the high-pin-count package. This page synthesizes distributor pricing, drop-in alternatives from the Site MPN list, and practical design notes not found in the original datasheet, providing engineers with a single reference for sourcing and designing with the EPF10K50VBC356-3.
EPF10K50VBC356-3N - 50K Gates FLEX 10K FPGA, 356-BGA | Altera
The Altera (Intel) EPF10K50VBC356-3N is a member of the FLEX 10K family of SRAM-based Field Programmable Gate Arrays (FPGAs), delivering 50,000 typical gates, 2,880 logic cells, and 274 user I/Os in a 356-pin BGA package. Manufactured on a 0.42 µm CMOS process, it supports a core supply of 3.3 V and operates over the commercial 0 °C to 70 °C temperature range with an internal performance frequency of up to 125 MHz at speed grade -3. An FPGA (Field Programmable Gate Array) is a programmable logic device that integrates configurable logic blocks (CLBs), embedded memory, and programmable interconnect into a single semiconductor die. Within the broader semiconductor taxonomy, FPGAs sit alongside CPLDs (Complex Programmable Logic Devices) and ASICs (Application-Specific Integrated Circuits) as a family of programmable logic devices (PLDs). The FLEX 10K family pioneered System-on-a-Programmable-Chip (SOPC) integration by embedding array blocks (EABs) for on-chip RAM and ROM alongside general-purpose logic, enabling designs that previously required separate glue logic, memory, and interconnect. Key features of the EPF10K50VBC356-3N include 360 Logic Array Blocks (LABs), 274 user I/O pins, propagation delay of approximately 0.6 ns, and 5 V-tolerant I/O on the 3.3 V core supply thanks to the FLEX 10K multi-voltage interface. The 356-BGA package provides high pin density for complex glue-logic, bus-bridging, and parallel I/O applications. A JTAG-compliant boundary-scan test interface (IEEE Std 1149.1) is provided for in-system configuration and board-level testing. Typical applications for the EPF10K50VBC356-3N span industrial automation controllers, telecommunications line cards, legacy system glue logic, and prototyping platforms where 50K-gate density and 274 I/O are sufficient. Engineers select the -3 speed grade when timing margins are tight; the part is also available in -1, -2, and -4 speed grades to trade speed for cost. Note that the FLEX 10K family is mature and now generally considered NRND or obsolete for new designs—current generation Intel FPGAs (Cyclone, MAX series) are the recommended successors. When designing with this device, ensure the configuration EEPROM or download cable (such as the Altera ByteBlaster) is selected for the 3.3 V core. Decoupling must follow the FLEX 10K reference design with 0.1 µF and 10 µF capacitors near each VCCINT and VCCIO pin, and unused I/O pins should be left floating per datasheet guidance. This page synthesizes distributor stock, drop-in alternatives from the FLEX 10K family, and practical design notes not found in the manufacturer datasheet alone. Pricing references are as of 2026-09-11.
EPF10K50VBC356-4 - FLEX 10K FPGA, 50K Gates, 356-BGA | Intel
The Intel (formerly Altera) EPF10K50VBC356-4 is a member of the FLEX 10K embedded programmable logic device family, providing 50,000 typical gates, 2,880 logic cells, and 274 user I/Os in a 356-pin BGA package. It integrates a CMOS logic-array fabric with embedded array blocks, delivering up to 125 MHz internal operation from a 3.3 V supply. The device implements System-on-a-Programmable-Chip (SOPC) integration by combining look-up tables, embedded array blocks, and FastTrack interconnect on a single die. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit composed of configurable logic blocks, programmable interconnects, and I/O cells that engineers can program after manufacture to implement arbitrary digital logic. FPGAs sit in the broader hierarchy of programmable logic devices (PLDs), which also includes simple PLDs (SPLDs), complex PLDs (CPLDs), and modern heterogeneous SoC FPGAs that embed hard processor cores. Within Intel's portfolio, FPGAs occupy the programmable-logic tier alongside CPLDs (MAX series) and high-end SoC FPGAs (Stratix, Cyclone, Agilex). The FLEX 10K family was historically the industry's first embedded PLD family to provide true SOPC integration, enabling designers to mix soft logic with embedded array blocks for memory and arithmetic functions. The EPF10K50VBC356-4 features a 0.6 ns propagation delay, 16 embedded array blocks, and 3,152 logic elements, supporting designs that demand moderate-density logic with embedded memory and arithmetic blocks. The 356-ball BGA package provides high I/O density suitable for complex glue-logic, bus-interface, and signal-processing tasks. Configuration is performed via in-system programming through the IEEE 1149.1 JTAG interface or with an external serial/configuration EPROM. Typical applications span telecommunications infrastructure, industrial control, military and aerospace systems, ASIC prototyping, and DSP preprocessing. Engineers select the FLEX 10K family when they require deterministic timing, embedded array blocks, and JTAG-based in-system reprogrammability within a moderate-density logic budget. When designing with the EPF10K50VBC356-4, observe the 3.3 V supply rail tolerance, ensure adequate decoupling across the BGA balls, and follow the JTAG configuration procedure in the manufacturer datasheet. The commercial temperature grade (0 C to 70 C) limits deployment to non-automotive environments - use the -N suffix variant for industrial extended-temperature designs. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the original manufacturer datasheet.
EPF10K50VBI356-3 - FLEX 10K FPGA, 50K Gates, 356-BGA | Intel
The Intel (formerly Altera) EPF10K50VBI356-3 is a member of the FLEX 10K family of Field Programmable Gate Arrays, integrating 50,000 typical gates with 2,880 logic cells and 20,480 RAM bits in a 356-ball LBGA package. It is built on a 0.42 µm CMOS SRAM process and supports up to 274 user I/O pins, with a maximum internal frequency of 125 MHz and propagation delay of 0.6 ns at speed grade -3. Operating from a 3.3 V core supply, the device includes an embedded array block (EAB) for System-on-a-Programmable-Chip (SOPC) integration, making it suitable for ASIC-replacement designs and high-density glue-logic replacement. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs) connected via programmable interconnect, allowing the hardware function to be redefined after manufacture. FPGAs sit within the broader hierarchy of programmable logic devices (PLDs) -> CPLDs -> FPGAs -> programmable SoCs, occupying the high-density end of that taxonomy. Compared to fixed-function ASICs, FPGAs offer lower NRE cost and faster time-to-market at the expense of unit cost, power, and absolute performance. Key features of the EPF10K50VBI356-3 include 360 Logic Array Blocks (LABs) for distributed logic implementation, dedicated EABs that provide up to 2,048 bits of dual-port RAM per block for efficient on-chip memory, and JTAG-compliant IEEE 1149.1 boundary-scan support for in-system programming and board-level test. The device is offered in commercial (0 °C to 70 °C) and industrial (-40 °C to 100 °C, indicated by the 'I' suffix) operating temperature grades, with multiple speed grades (-2, -3, -4) covering different Fmax/power trade-offs. The FLEX 10K architecture pairs a fine-grained logic fabric with coarse-grained embedded array blocks, allowing designers to implement both random control logic and structured datapath/memory functions on a single die. Each LAB contains eight Logic Elements (LEs), each LE carrying a 4-input LUT, a programmable register, and a carry chain. The EABs can be cascaded to form wider/deeper RAM blocks or used as product-term logic, enabling ROM, FIFO, and multiplier implementations without consuming logic resources. Typical applications include telecommunications line-card glue logic, industrial control and instrumentation front-ends, networking adapters, ASIC prototyping, and legacy system refresh where higher-density replacement FPGAs are unavailable. The 356-pin LBGA package supports the highest I/O count in the family, sufficing for memory bus bridging, multi-port interface aggregation, and bus-width conversion tasks. When designing with this part, observe the recommended 3.3 V I/O supply and ensure proper decoupling of every VCCINT/VCCIO pair with 0.1 µF capacitors placed within 5 mm of the BGA balls. The device requires JTAG-compatible configuration via the EPC1, EPC2, or a microprocessor; configure mode pins (MSEL0/MSEL1) according to the desired configuration scheme before power-up. This page synthesizes distributor pricing, drop-in FLEX 10K alternatives, and practical design notes not found in the standalone manufacturer datasheet.
EPF10K50VBI356-3N - 50K Gates, 356-BGA FLEX 10K FPGA | Altera
The Intel (Altera) EPF10K50VBI356-3N is a FLEX 10K family Field-Programmable Gate Array (FPGA) delivering 50,000 usable gates and 2,880 logic cells in a 356-pin LBGA package, built on a 0.42 µm CMOS SRAM process and supplied from a 3.3 V core rail. It integrates 360 Logic Array Blocks (LABs) with 274 user I/Os and Embedded Array Blocks (EABs) for on-chip RAM, providing 20,480 bits of memory. The speed grade "-3N" denotes the industrial-grade timing bin and lead-free (Pb-free) termination. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that integrates configurable logic blocks (LBs/LABs), routing interconnects, and I/O cells onto a single die. Designers describe logic with HDL (VHDL/Verilog) and synthesize it onto the device using the vendor toolchain (Quartus/MAX+PLUS II). FPGAs sit between discrete logic ICs (74-series) and fixed ASICs: unlike 74HC/74LVT glue logic, FPGAs are re-programmable in-circuit; unlike ASICs, no mask set or NRE is required. Within the programmable logic hierarchy: PLD -> CPLD -> FPGA, and within the FPGA hierarchy: SRAM-based FPGA -> LUT-based logic fabric -> island-style architecture (used by FLEX 10K). Key features of the EPF10K50VBI356-3N include 50 K typical gates (around 23 K usable logic gates), 2,880 logic elements, 20,480 bits of embedded SRAM distributed across EABs, 360 LABs, and 274 user I/O pins. MultiVolt I/O supports interfacing with 5.0 V, 3.3 V, and 2.5 V devices. The device is in-system programmable (ISP) via JTAG (IEEE 1149.1 Boundary-Scan) using serial configuration, making it suitable for field-upgradeable designs. Typical applications for the EPF10K50VBI356-3N include telecommunications line cards, industrial control glue logic, bus-interface bridges (PCI, ISA, VME), and prototype/ASIC emulation. The 356-BGA package provides ample signal integrity for high-density parallel buses while keeping the board footprint manageable. Designers should consult the Altera FLEX 10K Device Handbook for timing models, I/O standards, and configuration schemes. Note: this device is mature/legacy silicon (introduced circa 1998-2000) and is now in the End-of-Life (EOL) phase - sourcing from authorized distributors and verifying date codes is recommended for new production builds.
EPF10K50VBI356-4 - 50K Gates Flex 10K FPGA, 356-BGA | Intel / Altera
The Intel / Altera (formerly Altera) EPF10K50VBI356-4 is a member of the FLEX 10K family of SRAM-based Field Programmable Gate Arrays (FPGAs), featuring 50,000 typical gates, 2,880 logic cells (LEs), 360 logic array blocks (LABs), and 274 user I/Os housed in a 356-ball LBGA package. The device is fabricated on a 0.42 µm CMOS process and operates from a 3.3 V core supply, with the speed grade '-4' indicating a specific timing closure within the FLEX 10K family. An FPGA (Field Programmable Gate Array) is a reconfigurable integrated circuit that combines programmable logic blocks, programmable interconnect, and programmable I/O cells on a single die, allowing designers to implement custom digital functions after manufacturing. FPGAs sit hierarchically under programmable logic devices (PLDs) and above application-specific integrated circuits (ASICs) in terms of flexibility versus NRE cost, making them ideal for prototyping, low-volume production, and systems that require post-deployment hardware updates. The FLEX 10K family was Altera's first embedded array family, integrating dedicated Embedded Array Blocks (EABs) for on-chip memory alongside logic, which pioneered the System-on-a-Programmable-Chip (SOPC) concept. Key features of the EPF10K50VBI356-4 include 20,480 typical usable gates, internal frequency support up to 125 MHz, propagation delay as low as 0.6 ns at the -4 speed grade, 16 embedded array blocks providing configurable memory, in-system programmability via JTAG, and a commercial operating temperature range of 0 °C to 70 °C. The device supports multiple I/O standards including LVTTL, LVCMOS, and PCI, configurable per pin through the Altera MAX+PLUS II or Quartus design tools. The 356-pin LBGA package provides high pin density suitable for designs requiring the full 274 I/O count plus dedicated clock, configuration, and JTAG pins. Technically, the FLEX 10K architecture combines a symmetric logic array with continuous routing resources and dedicated embedded memory blocks. Each LAB contains 8 logic elements with a local interconnect, while EABs provide RAM/ROM blocks up to 2,048 bits each. Configuration is volatile (SRAM-based), requiring an external configuration device such as the EPC2 or EPC8 on power-up. The '-4' speed grade is among the slower bin within the family, trading timing margin for power and yield, which makes this particular MPN suitable for cost-sensitive industrial and communication designs that do not require the highest possible clock rate. Typical applications include telecommunications line cards, industrial control and factory automation glue logic, legacy computing interface bridging, prototyping for ASIC replacement, test and measurement instrumentation, and military/aerospace systems where the FLEX 10K family has long-tail lifecycle support. The large 274-I/O count and 50K-gate capacity make this device well suited for bus interface aggregation, multi-protocol bridge ICs, and digital signal processing front-end pre-processing. When designing with this part, ensure a compatible configuration memory is selected (EPC2, EPC8, or compatible) and that JTAG chain integrity is verified before production. The 356-ball LBGA package requires careful PCB layout with controlled-impedance traces and a multi-layer stack-up; ball pitch and via-in-pad design rules must be followed. For new designs, consider migrating to Cyclone or MAX 10 families for lower power and longer lifecycle, but for maintenance of installed bases the FLEX 10K remains in service across many legacy systems. This page synthesizes distributor pricing, drop-in same-package alternatives from the FLEX 10K family, and practical design notes not found in the original datasheet alone, making it a higher-value reference than distributor product listings for engineers maintaining or replicating legacy FLEX 10K designs.
EPF10K50VFC484-3 - 50K FLEX-10K FPGA 484-BGA | Intel / Altera
The Intel (formerly Altera) EPF10K50VFC484-3 is a member of the FLEX 10K family of Field-Programmable Gate Array (FPGA) devices, providing 50,000 typical gates of logic density integrated with 40,960 bits of embedded array RAM in a 484-ball FineLine BGA package. Speed grade -3 denotes a commercial temperature range (0C to 70C) with standard AC performance, targeting cost-sensitive high-volume designs. An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit that can be configured by the customer or designer after manufacturing to implement arbitrary digital logic. The FLEX 10K family is the industry's first embedded programmable logic device (PLD) family, providing System-on-a-Programmable-Chip (SOPC) integration by combining an embedded array for implementing megafunctions such as efficient memory and specialized I/O, with a logic array for general logic. Architecturally the EPF10K50VFC484-3 contains 360 logic array blocks (LABs), 2,880 logic elements, 13 embedded array blocks (EABs), and 291 user I/O pins - placing it in the mid-density class of the FLEX 10K hierarchy: FLEX 10K -> CPLD/FPGA hybrid family -> programmable logic device -> semiconductor IC. Key features include 291 I/O, 5V-tolerant I/O buffers (per FLEX 10K family), in-system programmability via the serial configuration device interface, multi-volt I/O support for 5.0V/3.3V/2.5V operation, and embedded memory blocks configurable as RAM, ROM, or FIFO. Supply voltage spans 3.0V to 3.6V with the FLEX 10K core running on 3.3V. The 484-pin FineLine BGA package is 23 mm x 23 mm with a 1.0 mm ball pitch, providing high-density I/O for complex glue-logic and bus-interface applications. Typical applications include high-volume glue logic, bus bridging and interface conversion, industrial control, telecommunications line cards, legacy system prototyping, and ASIC prototyping for SOPC (System-on-a-Programmable-Chip) emulation. The EPF10K50VFC484-3 is also widely used in educational and replacement scenarios because the FLEX 10K family is mature and well-supported by legacy toolchains (MAX+PLUS II and Quartus). Parts may ship as RoHS-compliant or leaded depending on date code; verify the specific date code before designing new production hardware. Designers should note that the FLEX 10K family is in long-term legacy status: the part is no longer recommended for new designs (NRND) and is supported primarily through Rochester Electronics, Intel's authorized legacy distributor. When designing a replacement board, prefer the MAX II, Cyclone, or MAX 10 families for new designs, and use the EPF10K50VFC484-3 only when matching legacy footprints.
EPF10K50VFC484-3N - 50K-Gate FLEX-10K FPGA, 484-BGA | Intel / Altera
The Intel (formerly Altera) EPF10K50VFC484-3N is a member of the FLEX-10K family of SRAM-based Field-Programmable Gate Arrays (FPGAs), delivering 50,000 typical gates, 2,880 logic elements (LEs), and 40,960 bits of embedded RAM in a 484-ball FineLine BGA package. Built on a 0.42 µm CMOS process with a 3.3 V core supply (3.0 V–3.6 V tolerance), this -3 speed-grade device supports internal clock frequencies up to 125 MHz and offers 291 user I/Os for high-pin-count glue-logic, bus-interface, and DSP pre-processing designs. An FPGA (Field-Programmable Gate Array) is a class of programmable logic device (PLD) whose architecture consists of configurable logic blocks, programmable interconnect, and I/O cells, all controlled by on-chip SRAM configuration memory. The FLEX-10K family pioneered the embedded array block (EAB) concept, where each EAB provides 2,048 bits of dual-port RAM plus logic, enabling System-on-a-Programmable-Chip (SOPC) integration of memory, register files, and arithmetic functions alongside general-purpose logic. This positions the part within the broader hierarchy: programmable logic device -> PLD -> FPGA -> SRAM-based FPGA -> embedded-array FPGA -> power management and digital signal processing subsystems. Key features of the EPF10K50VFC484-3N include 2,880 LEs organized in 10 Logic Array Blocks (LABs), 12 Embedded Array Blocks (EABs) supplying 24 Kbits of true dual-port RAM, 291 user I/Os with MultiVolt I/O supporting 5.0 V, 3.3 V, and 2.5 V interfacing, and a propagation delay of 0.6 ns per LE in the -3 speed grade. The 484-FBGA (23 mm × 23 mm body) uses a 1.27 mm ball pitch, suitable for production surface-mount assembly but requiring X-ray or BGA rework tools for prototyping. The FLEX-10K architecture implements a four-input LUT-based logic element with a dedicated carry chain for fast arithmetic and a cascade chain for wide AND gates, while the EABs can be configured as RAM, ROM, or multiplier blocks. In-system configuration is supported via the passive serial (PS), passive parallel synchronous (PPS), passive parallel asynchronous (PPA), and active serial (AS) modes, with the bitstream loaded from a serial configuration EPROM or a microcontroller. JTAG (IEEE 1149.1) boundary-scan test is built in, simplifying board-level diagnostics. Typical applications span telecom line-card glue logic, industrial bus bridges (PCI to local bus), imaging front-ends, low-density data-path pre-processing, and legacy ASIC prototyping. Because the device uses SRAM configuration memory, it must be reconfigured at every power-up, which suits system-level flexibility over cold-start determinism. Designers should use the legacy Altera MAX+PLUS II or Quartus II (7.2 and earlier) toolchains because newer Quartus versions have dropped FLEX-10K support. The 484-BGA requires a minimum 6-layer PCB with controlled-impedance traces and an array of GND/VCC balls forming a power/ground plane thermal path. For new designs, consider the MAX II or Cyclone IV families, but for installed-base designs the FLEX-10K remains a supported, long-lifecycle component.
EPF10K50VQC240-1 - FLEX 10K FPGA 50K Gates 240-PQFP | Altera
The Altera (Intel) EPF10K50VQC240-1 is a FLEX 10K family Field Programmable Gate Array (FPGA) integrating 50,000 typical gates, 2,880 logic cells, 360 logic array blocks, and 189 user I/Os in a 240-pin Power Quad Flat Pack (PQFP/BFQFP) package. Built on a 0.42 µm CMOS SRAM process, it supports 3.3 V core operation, offers a typical internal frequency of 66.67 MHz, and features 0.6 ns propagation delay for high-density glue-logic and data-path applications. An FPGA (Field Programmable Gate Array) is a semiconductor device built from an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that engineers can re-program in the field to implement arbitrary digital logic. The FLEX 10K family belongs to the hierarchy of programmable logic devices: it sits above simple CPLDs and below modern SoC FPGAs, combining look-up-table (LUT) based logic with embedded array blocks (EABs) that act as on-chip RAM/ROM. FPGAs in this class are widely used as integration platforms, replacing dozens of discrete 74-series logic ICs while supporting in-system reconfiguration. Key features of the EPF10K50VQC240-1 include 20,480 typical gates with embedded array blocks for memory functions, 189 maximum user I/Os (240 PQFP variant), in-system programmability via SRAM configuration cells, JTAG boundary-scan support, and multi-volt I/O compatibility with 5.0 V, 3.3 V, and 2.5 V interfaces. The device supports asynchronous, synchronous, and high-speed clock distribution networks suitable for pipelined datapath designs. The FLEX 10K architecture combines a logic array of enhanced logic elements (ELEs) with embedded array blocks (EABs), allowing designers to mix distributed gate logic with on-chip memory or wide-function arithmetic. The VQC240-1 package is the 240-pin Power QFP variant with 189 usable I/O pins, optimized for board-level integration where high I/O count is required in a through-hole-friendly footprint. Typical applications for the EPF10K50VQC240-1 include industrial control glue logic, telecommunications line-card interfaces, legacy PCI bus bridges, prototyping platforms for ASIC emulation, and replacement of multiple 74-series TTL/CMOS glue-logic ICs. Designers also use it for bus interfacing, custom state-machine controllers, and educational digital-design platforms. When designing with the EPF10K50VQC240-1, note that the part requires a configuration EEPROM or JTAG programmer at every power-up because the SRAM-based configuration is volatile. Consider the 240-pin PQFP footprint for layout review - the -1 speed grade indicates the slowest timing bin; for higher performance choose -2 or -3 variants in the same family. This page synthesizes distributor pricing, FLEX 10K family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with sources drawn from DigiKey, Mouser, and Octopart.
EPF10K50VQC240-1N - 50K-Gate FLEX-10K FPGA | Intel / Altera | 240-PQFP
The Intel (formerly Altera) EPF10K50VQC240-1N is a member of the FLEX 10K family of Field Programmable Gate Arrays, providing 50,000 typical gates, 2,880 logic elements (logic cells), and 20,480 bits of embedded array memory in a 240-pin Plastic Quad Flat Pack (PQFP) package rated for commercial temperature (0C to 70C). It operates from a 3.0 V to 3.6 V supply and is the "-1" speed grade, characterized for a 250 MHz internal frequency. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells, allowing hardware designers to implement custom digital logic after fabrication. FPGAs sit in the broader taxonomy: programmable logic device (PLD) -> CPLD/FPGA -> reconfigurable logic -> digital IC -> semiconductor. The FLEX 10K family is the industry's first family to embed an array block (EAB) alongside the logic array, supporting System-on-a-Programmable-Chip (SOPC) integration that combines dedicated SRAM blocks with general-purpose logic. Key features include 360 Logic Array Blocks (LABs), 189 user I/Os, propagation delay of 0.6 ns, built-in low-skew clock distribution trees, FastTrack Interconnect continuous routing structure for predictable interconnect delays, tri-state emulation, and 100% functional testing of all devices. The "QC240" suffix denotes the 240-pin PQFP gull-wing package, while the "-1" indicates the speed grade and "N" indicates lead-free / Pb-free terminal finish. The architecture combines a fine-grained logic fabric with coarse-grained embedded array blocks (EABs) that can be configured as RAM, ROM, or programmable logic. This hybrid approach allows the EPF10K50VQC240-1N to replace up to 50K gates of glue logic plus small memory blocks in a single device, with predictable timing closure thanks to the continuous routing architecture. Typical applications include telecom interface glue logic, industrial control prototyping, PCI bridge logic, legacy 5 V/3.3 V system I/O expansion, ASIC prototyping, and educational development platforms. The 240-pin PQFP is hand-solderable and socket-compatible, making this part a popular choice for low-volume and legacy designs where surface-mount BGA rework would be impractical. When designing with this part, ensure your configuration device (EPC2, EPC8, or compatible) provides the correct bitstream and that JTAG chain termination matches IEEE 1149.1. Use Quartus II version 13.0 or earlier for legacy FLEX 10K support; current Quartus releases no longer target this family. This page synthesizes distributor stock, price tiering, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving an engineer a one-stop reference for the EPF10K50VQC240-1N.
EPF10K50VQC240-2 - 50K Gate FLEX-10K FPGA, 240-BFQFP | Altera
The Altera (Intel) EPF10K50VQC240-2 is a member of the FLEX 10K family of SRAM-based Field-Programmable Gate Arrays (FPGAs) housed in a 240-pin BFQFP (also designated 240-PQFP / FQFP / QFP-240) gull-wing surface-mount package. It integrates 50,000 typical gates, 2,880 logic elements (Logic Array Blocks / LABs), 20,480 bits of embedded array memory, and 189 user I/O pins. The device is fabricated on a 0.42 micrometer CMOS process with four-layer metal interconnect, supports a 3.3 V core supply (with 5.0 V tolerant I/O via MultiVolt I/O), and operates at an internal frequency up to 125 MHz with 0.6 ns propagation delay. An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs / LABs), programmable interconnect, and I/O cells that can be re-programmed by the customer after manufacture to implement arbitrary digital logic. FPGAs sit between fixed-function ASICs and software-programmable processors: they offer hardware-level parallelism and deterministic timing without the NRE cost of an ASIC, while providing far higher logic density than discrete glue logic. The FLEX 10K family pioneered the concept of an Embedded Array Block (EAB), allowing on-chip implementation of RAM, ROM, FIFO, and multiplier functions alongside general-purpose logic. Key features of the EPF10K50VQC240-2 include MultiVolt I/O (supporting 5.0 V, 3.3 V, and 2.5 V interface voltages on the same die), 360 LABs arranged in rows and columns, a FastTrack continuous interconnect structure that delivers predictable interconnect delays, built-in low-skew clock distribution trees, JTAG (IEEE 1149.1) boundary-scan test support, and in-system configurability via the Altera serial configuration scheme. The device operates over the commercial 0 C to +70 C temperature range and supports 100 percent functional testing of all devices prior to shipment. Architecturally, the FLEX 10K fabric combines 100 percent interconnect-driven logic synthesis with embedded array blocks that can be configured as memory or wide-gate logic. The LUT-based logic elements deliver fast, deterministic timing suitable for state machines, datapath control, bus interfacing, and DSP pre/post-processing. The MultiVolt I/O ring supports mixed-voltage system designs (e.g., 5 V legacy peripherals alongside a 3.3 V processor) without external level shifters, simplifying board layout. Typical applications include telecommunications line cards, industrial control and factory automation controllers, glue-logic consolidation in networking equipment, ASIC prototyping, DSP co-processing front-ends, military and avionics subsystems, and legacy system sustainment where original ASICs are no longer available. The 240-BFQFP package also enables hand-rework and socketed prototyping for low-volume designs. When designing with this device, observe the FLEX 10K configuration scheme requirements: an external configuration EPROM (typically EPC2 or EPC1) or controller is required for SRAM-based configuration at power-up. Plan for a 3.3 V core / 5.0 V I/O power tree, in-rush limiting on VCCINT, and proper decoupling (0.1 uF per power pin plus bulk) to keep simultaneous-switching noise within the device's I/O specifications. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives sourced from the Site MPN catalog, and practical design notes drawn from the Altera FLEX 10K datasheet family - information not found on any single distributor product page.
EPF10K50VQC240-2N - 50K Gates FLEX 10K FPGA 240-PQFP | Intel
The Intel (formerly Altera) EPF10K50VQC240-2N is a member of the FLEX 10K family of Field Programmable Gate Arrays (FPGAs), delivering 50,000 typical gates, 2,880 logic elements (cells), and 189 user I/Os in a 240-pin Plastic Quad Flat Pack (PQFP / BFQFP, 32x32 mm) surface-mount package. It is built on a 0.42 µm CMOS SRAM process and operates from a 3.3 V supply with 5.0 V tolerant I/O, integrating an embedded array architecture that uniquely combines logic and dedicated memory blocks on a single die for System-on-a-Programmable-Chip (SOPC) implementations. What is an FPGA? An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) containing an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the designer configures after manufacture. FPGAs sit above CPLDs in the programmable logic hierarchy and are used to implement arbitrary digital logic, DSP pipelines, glue logic, bus interfaces, and full soft processor cores. The FLEX 10K family was the industry's first device to embed an array block alongside the logic array, enabling true SOPC integration where memory and logic coexist on one programmable fabric. Key features of this device include 360 Logic Array Blocks (LABs), 20,480 typical RAM bits, built-in low-skew clock distribution trees, fast and predictable FastTrack Interconnect continuous routing, JTAG boundary-scan support, and tri-state emulation. The internal maximum frequency is 125 MHz and the propagation delay is approximately 0.6 ns. It is the commercial temperature grade variant, specified for 0 °C to 70 °C operation with a -2 speed grade. Technically, the FLEX 10K architecture is implemented with SRAM configuration memory, allowing unlimited re-programmability in-system through the ByteBlaster or BitBlaster configuration interfaces. The embedded array blocks (EABs) provide true dual-port RAM, ROM, and multiplier functions, while the LABs each contain eight logic elements. This makes the EPF10K50VQC240-2N suitable for telecommunications, industrial control, consumer electronics, and legacy digital system retrofits where mid-density programmable logic is required. Typical applications include telecom line cards, motor and motion control, factory automation backplanes, networking glue logic, and ASIC prototyping. For replacement scenarios, this part is pin-compatible with other EPF10K50VQC240 speed grades (-1, -3) and the VQC240 family in general. Design with 3.0 V to 3.6 V core supply, ensure JTAG chain integrity, and follow Altera AN 116 configuration guidelines.
EPF10K50VQC240-3 - 50K Gate FLEX 10K FPGA, 240-PQFP | Intel / Altera
The Intel / Altera EPF10K50VQC240-3 is a member of the FLEX 10K family of Field Programmable Gate Arrays (FPGAs), integrating 50,000 typical gates, 2,880 logic cells, and 360 logic array blocks (LABs) in a 240-pin Plastic Quad Flat Pack (PQFP) package with 189 user I/O pins. It is fabricated on a 0.42 µm CMOS process and operates from a 3.3 V core supply, with a typical internal frequency capability up to 125 MHz and pin-to-pin propagation delay of approximately 0.6 ns. An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), embedded memory arrays, and programmable interconnect, allowing hardware designers to implement custom digital logic without the cost and lead time of ASIC fabrication. The FLEX 10K family specifically pioneered the embedded array block (EAB) architecture, combining look-up-table logic with on-chip RAM/ROM blocks to enable System-on-a-Programmable-Chip (SOPC) designs that integrate memory and logic on a single die. Within the broader taxonomy, an FPGA sits above CPLDs and below ASICs in design flexibility and density. Key features of the EPF10K50VQC240-3 include 189 programmable I/Os supporting multiple I/O standards, 360 LABs with fast interconnect, built-in low-skew clock distribution trees, FastTrack Interconnect for predictable timing closure, and tri-state emulation for bus-oriented designs. The device supports 100% functional testing before shipment, in-system programmability via SRAM configuration cells, and JTAG boundary-scan support. The -3 speed grade positions this part in the mid-speed tier of the FLEX 10K lineup, trading maximum Fmax for a more accessible price point. Typical applications span telecommunications line cards, industrial control and instrumentation, glue logic replacement, custom interface bridging (PCI, ISA, proprietary buses), and legacy system upgrades where a programmable solution is needed to consolidate discrete logic. The 189 I/O count makes it suitable for mid-density bus-oriented designs. When designing with this part, ensure your configuration memory interface (EPC configuration device or microcontroller) is compatible with the 3.3 V VCCINT supply and that the Quartus II / MAX+PLUS II toolchain is selected, as this FLEX 10K device is in the mature Altera legacy flow. The EPF10K50VQC240-3 is widely available in the distribution channel but should be considered for legacy maintenance designs given its NRND/EOL trajectory; long-term availability should be verified before new design-in. This page synthesizes distributor pricing, drop-in alternatives from the same FLEX 10K family, and practical design notes not found in the manufacturer datasheet.
EPF10K50VQC240-3N - FLEX 10K 50K Gates FPGA | Intel / Altera
The Intel (formerly Altera) EPF10K50VQC240-3N is a FLEX 10K family Field Programmable Gate Array (FPGA) with 50,000 system gates, 2,880 logic cells, 360 LABs/CLBs, and 189 user I/Os, housed in a 240-pin Power Quad Flat Pack (PQFP/BFQFP) package. It is fabricated on a 0.42 µm CMOS process and operates from a 3.3 V supply at up to 125 MHz internal frequency. The '-3' speed grade delivers commercial-temperature (0 °C to 70 °C) timing with a propagation delay in the sub-nanosecond range typical of the FLEX 10K embedded array block family. An FPGA (Field Programmable Gate Array) is a semiconductor device built from an array of configurable logic elements (LEs), programmable interconnect, and I/O blocks that the user defines after manufacture via a hardware description language (HDL) or schematic capture. The FLEX 10K family was the industry's first family to embed large SRAM-style logic blocks together with dedicated Embedded Array Blocks (EABs), enabling on-chip implementation of megafunctions such as RAM, ROM, and arithmetic units, and it is widely considered the predecessor of modern System-on-Programmable-Chip (SOPC) architectures. The EPF10K50VQC240-3N belongs to the high-density FLEX 10K tier (10K50), differentiating it from lower-density siblings such as the EPF10K10 and EPF10K30. Key differentiating features include: 20,480 typical gate count, integrated EABs for on-chip memory, in-system programmability via the Serial Configuration (Passive) or Active serial modes supported by the FLEX 10K architecture, multi-voltage I/O compatibility with 5.0 V, 3.3 V, and 2.5 V signalling, and JTAG-compliant boundary-scan test per IEEE 1149.1. The device integrates seamlessly with the legacy MAX+PLUS II and Quartus design tool flows, preserving design IP across older Altera ecosystems. Technically, the EPF10K50VQC240-3N uses SRAM configuration cells and requires external configuration memory on every power-up. Its configurable logic blocks (CLBs) feed into Embedded Array Blocks (EABs) that deliver up to 2,048 bits of dual-port RAM per block, while the high-pin-count PQFP240 footprint exposes ample general-purpose I/O for parallel bus and memory interfaces. Typical applications include legacy telecom interface cards, industrial control and factory automation controllers, glue-logic replacement, mid-speed DSP co-processing, and PCI/ISA bus interface prototyping. Engineers commonly select this part to extend the lifecycle of older Altera designs without performing full re-qualification. When designing with this device, ensure that configuration memory and JTAG pull-up resistors are placed within 5 cm of the device to meet the configuration timing specifications. Designers should also verify that I/O signalling levels match the chosen I/O standard (3.3 V LVTTL/LVCMOS by default) and provide a clean 3.3 V core supply with adequate decoupling. Because this part is in the legacy FLEX 10K family, lead-time and lifecycle risks should be reviewed against the Intel Product Discontinuance Program notice before NPI qualification. This page synthesises distributor pricing, same-family drop-in alternatives, and practical design notes that go beyond the manufacturer's PDF datasheet alone, giving engineers and buyers a single authoritative reference for the EPF10K50VQC240-3N.
EPF10K50VQI240-2 - FLEX 10K 50K-Gate FPGA, 189 I/O, PQFP-240 | Altera
The Altera (now Intel) EPF10K50VQI240-2 is a member of the FLEX 10K family of SRAM-based Field-Programmable Gate Arrays built on a 0.42 µm CMOS process, integrating approximately 50,000 typical gates, 2,880 logic elements (LEs), and 360 Logic Array Blocks (LABs) in a 240-pin Plastic Quad Flat Pack (PQFP / BFQFP-240) package with gull-wing leads. It operates from a 3.3 V core supply with an industrial temperature range of 0 °C to +70 °C and delivers up to 125 MHz internal operation with a 0.6 ns propagation delay at the -2 speed grade, making it a long-established solution for glue logic, bus interfacing, and moderate-complexity state-machine designs. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit containing an array of configurable logic blocks (CLBs/LEs), programmable interconnect, and I/O cells that the designer programs after manufacture using a hardware-description language such as VHDL or Verilog. FPGAs occupy a position between fixed-function ASICs (lowest unit cost at high volume, longest non-recurring engineering cost) and CPLDs (predictable timing, lower density) in the programmable-logic taxonomy, and the FLEX 10K family was Altera's first to embed dedicated Embedded Array Blocks (EABs) for on-chip RAM and DSP-style functions - the architectural precursor to modern System-on-Chip FPGAs. Key features of the EPF10K50VQI240-2 include 189 maximum user I/O pins, 20,480 bits of embedded memory distributed across the EAB array, built-in JTAG (IEEE 1149.1) boundary-scan support, and multi-volt I/O capability for interfacing with 5.0 V, 3.3 V, and 2.5 V devices. The 240-pin PQFP with gull-wing leads is a surface-mount package with a 0.5 mm pin pitch on a 32 × 32 mm body, well-suited to prototype boards and legacy production runs but larger than modern BGA equivalents. The FLEX 10K architecture pairs a fine-grained LE fabric with coarse-grained Embedded Array Blocks (EABs) used as synchronous RAM, ROM, or arithmetic functions. Each LAB contains eight LEs plus local carry and cascade chains, and the chip-wide FastTrack interconnect routes signals between LABs and I/O elements, allowing designers to map both datapath (LUT-based) and memory-intensive (EAB-based) functions on the same die. Typical applications include industrial control boards, telecom interface cards, glue logic between microprocessors and peripherals, legacy PCI bus bridges, and test-and-measurement backplanes where the 3.3 V core and 5 V-tolerant I/O simplify mixed-voltage designs. The -2 speed grade offers a balance between timing margin and cost compared to the faster -3 and slower -1 grades in the same family. When designing with this part, pay attention to the 3.3 V supply-rail decoupling and keep the configuration EEPROM (EPC2 or EPC16) within the Fast Passive Parallel (FPP) or Passive Serial (PS) configuration interface budget. Designers porting older FLEX 10K designs to current production should plan for migration to MAX II, Cyclone, or Lattice MachXO2/XO3 families. This page synthesizes verified distributor inventory, same-brand FLEX 10K drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
EPF10K50VQI240-2N - FLEX 10K 50K-Gate FPGA, 240-PQFP, Industrial | Altera
The Altera (now Intel) EPF10K50VQI240-2N is a member of the FLEX 10K family of Field-Programmable Gate Arrays (FPGAs), integrating 50,000 typical gates, 2,880 logic cells (logic elements), 360 LABs, and 189 user I/Os in a 240-pin Plastic Quad Flat Pack (PQFP / BFQFP) surface-mount package. It operates from a 5V core supply, supports a maximum internal frequency of 125 MHz, and is rated for industrial temperature operation (-40C to +85C ambient for the I-suffix grade). An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that allows designers to configure custom digital logic functions after PCB assembly. FPGAs sit within the broader semiconductor hierarchy as integrated circuits -> programmable logic devices -> FPGAs, complementing CPLDs (which target simpler glue logic) and ASICs (which trade programmability for cost and power at high volume). The FLEX 10K family, introduced by Altera in the mid-1990s, was notable for being the first PLD family to integrate dedicated memory blocks (EABs - Embedded Array Blocks), enabling System-on-a-Programmable-Chip (SOPC) designs with on-chip RAM, ROM, and FIFO functions. Key features include embedded array blocks (EABs) for implementing megafunctions like efficient memory and specialized logic, 20,480 typical RAM bits distributed across the EABs, multiVolt I/O support for interfacing with 5V, 3.3V, and 2.5V logic, in-system programmability via the serial configuration EPROM interface, and full PCI 2.2 compliance for plug-and-play peripheral designs. The 240-BFQFP (gull-wing) package is a through-hole-compatible surface-mount form factor, which simplifies prototyping on adapter boards and rework in legacy systems. From an architectural perspective, the FLEX 10K family uses a fine-grained, SRAM-based look-up-table (LUT) fabric with continuous, fast interconnect between Logic Array Blocks (LABs) and Embedded Array Blocks (EABs). The 'V' in the part number denotes 5V operation (vs. 'A' for 3.3V ACEX/3V FLEX 10KA variants), 'Q' indicates the PQFP package, 'I' specifies industrial temperature range, '240' is the pin count, and '-2N' is the speed grade (toggled against -1, -3, -4 grades). Typical applications include legacy industrial glue logic replacement, PCI bus interface controllers, telecommunications backplane glue logic, prototyping bridges to ASIC designs, and migration paths for obsolete 5V programmable logic. Its 5V tolerance and large gate count make it a common drop-in for systems originally designed around the FLEX 10K platform. When designing with this device, plan for an SRAM-based configuration memory that must be loaded at every power-up from a serial EPROM (EPC1, EPC2, or compatible). Modern Intel Quartus Prime no longer supports FLEX 10K as a new target; engineers maintaining legacy FLEX 10K designs typically use the legacy MAX+PLUS II toolchain. Ensure the 5V supply is well-decoupled near the VCCINT and VCCIO pins and that JTAG pins TCK/TMS/TDO/TDI are correctly terminated for boundary-scan test. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the original Altera datasheet - useful for engineers maintaining or modernizing FLEX 10K-based systems in long-lifecycle industrial, telecom, and military programs.