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EPF6024AQC240-4N - FLEX 6000 FPGA, 24K Gates | Intel (Altera)
EPF6024AQC240-4N

EPF6024AQC240-4N - FLEX 6000 FPGA, 24K Gates | Intel (Altera)

The Intel (formerly Altera) EPF6024AQC240-4N is a member of the FLEX 6000 family of CMOS SRAM-based Field-Programmable Gate Arrays (FPGAs), providing up to 24,000 typical gates in a 240-pin PowerQuad Flat Package (PQFP-240). The "-4" speed grade denotes the fastest available in the family, and the "N" suffix indicates a lead-free / Pb-free finish. The FLEX 6000 family uses a fine-grained Look-Up Table (LUT) architecture with continuous routing and OptiFLEX expansion, targeting low-cost, high-volume programmable logic designs where fast design changes during prototyping are required. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that lets designers configure digital logic through a four-step flow (design entry, place-and-route, simulation, programming) without fabricating a custom ASIC. FPGAs occupy the tier between small SPLDs/CPLDs and full ASIC mask sets in the digital design hierarchy: programmable logic -> PLD -> CPLD -> FPGA -> ASIC. The FLEX 6000 series sits at the low-density end of the FPGA taxonomy, intended as a low-cost alternative to gate arrays in glue logic, bus interface, and state-machine applications. Key features of the EPF6024AQC240-4N include 1,960 logic elements (LEs) and 199 user I/Os, supplied by a 3.3 V core supply with 5 V-tolerant I/O. The device is configured via the IEEE 1149.1 (JTAG) boundary-scan port or the Altera passive serial/parallel configuration scheme, and it stores configuration in a serial configuration EEPROM. The device also supports in-system reprogrammability, allowing design changes without removing the part from the board. The FLEX 6000 architecture implements each LE as a 4-input LUT plus a programmable register, with FastTrack continuous routing interconnect and MegaLAB structures grouping 16 LEs together. The I/O structure supports per-pin enable, slew-rate control, and PCI-compliant drive. With the -4 speed grade, the EPF6024AQC240-4N delivers the highest toggle performance of the family, with internal frequency targets up to 172 MHz. Typical applications include bus-interface bridges (e.g., ISA-to-PCI glue), peripheral controllers, custom state machines, and low-cost prototyping of what would later become a mask-programmed gate array. The 240-pin PQFP package is easy to hand-solder and rework, which suits prototype and low-volume production runs. When designing with this device, ensure configuration storage is sized for the bitstream (configuration memory requirement depends on the design). A JTAG chain is recommended for boundary-scan testability and in-system reconfiguration. Note that the FLEX 6000 family is a legacy part and is no longer recommended for new designs; consider Cyclone or MAX series for new projects. This page synthesizes distributor pricing, same-package drop-in alternatives from the FLEX 6000 family, and practical design notes not found in the manufacturer datasheet.

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EPF6024AQC240-5 - FLEX 6000 FPGA, 24K Gates, 240-BQFP | Altera
EPF6024AQC240-5

EPF6024AQC240-5 - FLEX 6000 FPGA, 24K Gates, 240-BQFP | Altera

The Altera (now Intel) EPF6024AQC240-5 is a member of the FLEX 6000 family of SRAM-based field programmable gate arrays (FPGAs) housed in a 240-pin BQFP (plastic quad flat pack) package. The device integrates approximately 24,000 typical gates (equivalent), 1,960 logic elements arranged across 196 logic array blocks (LABs), and 199 user I/O pins. The "-5" speed grade denotes the slowest commercial timing variant within the FLEX 6000 family, trading absolute clock frequency for lower cost in non-time-critical glue-logic applications. An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that allows designers to implement arbitrary digital logic through a configuration bitstream loaded into on-chip SRAM. FPGAs occupy a middle ground between fixed-function ASICs (application-specific integrated circuits) and small PLDs such as CPLDs (complex programmable logic devices): unlike ASICs they are reprogrammable in the field, and unlike most CPLDs they offer far higher logic density and embedded memory. The FLEX 6000 family in particular targets cost-sensitive glue-logic, bus-interface bridging, and I/O expansion use cases where high register counts and moderate I/O bandwidth matter more than raw clock rate. Key specifications of the EPF6024AQC240-5 include the 240-BQFP surface-mount package with a body size of approximately 32 mm × 32 mm, 199 available user I/O pins, and 1,960 logic elements distributed over 196 LABs. The "QC" package suffix indicates a commercial-temperature-range plastic QFP, while "240-5" indicates the 240-pin count and the slowest speed grade. The device operates from a 5 V core supply typical of late-1990s / early-2000s logic designs and supports configuration via Altera's serial or parallel configuration schemes. Architecturally, the FLEX 6000 family uses a continuous-routing interconnect with distributed look-up table (LUT) logic and dedicated I/O elements. Each LAB contains multiple logic elements, and I/O pins support a range of standards including TTL and CMOS at 3.3 V or 5 V. Embedded array blocks (EABs) provide on-chip ROM/RAM capability for small memory functions, eliminating the need for external memory in many glue-logic designs. Typical applications for the EPF6024AQC240-5 include industrial glue-logic and bus-bridging boards, legacy telecommunications backplane controllers, military and avionics retrofits that require pin-compatible extended-temperature variants, and prototype ASIC emulation where the 24K-gate density matches the target design. Engineers frequently choose this part for long-lifecycle industrial control systems designed in the late 1990s that are still in production today. When designing with this device, note that the FLEX 6000 family has reached end-of-life status and is no longer recommended for new designs; designers should evaluate Cyclone or MAX families as modern replacements. Confirm long-term supply and counterfeit risk before specifying in new production, and use the Altera / Intel configuration toolchain (Quartus) for bitstream generation. This page synthesizes drop-in alternatives, distributor pricing, and design considerations not found in the original manufacturer datasheet - giving engineers a faster path to second-source qualification or legacy board rework.

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EPF6024AQC240-6 - 24K Gates FLEX 6000 FPGA, 240-PQFP, Speed Grade 6 | Intel
EPF6024AQC240-6

EPF6024AQC240-6 - 24K Gates FLEX 6000 FPGA, 240-PQFP, Speed Grade 6 | Intel

The Intel (formerly Altera) EPF6024AQC240-6 is a member of the FLEX 6000 family of SRAM-based Field Programmable Gate Arrays (FPGAs), providing 24,000 equivalent gates and 1,960 logic cells in a 240-pin Plastic Quad Flat Pack (PQFP-240) package at speed grade 6. The FLEX 6000 family uses a 0.42 um CMOS process with a 3.3 V core supply, delivering up to 199 user I/Os with a maximum internal frequency of approximately 166 MHz. The device is organized as 196 Logic Array Blocks (LABs), each containing 10 Logic Elements, and supports continuous FastTrack interconnect across rows and columns. A Field Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) containing an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells, all controlled by on-chip SRAM configuration memory. FPGAs sit at the top of the programmable logic hierarchy: PLD -> CPLD/FPGA -> SRAM-based FPGA -> FLEX 6000 family. FPGAs offer higher logic density and richer interconnect than older CPLDs, at the cost of requiring external configuration memory and a multi-step power-on sequence. Key features of the EPF6024AQC240-6 include 24,000 typical gates, 1,960 logic elements, 196 LABs, 199 maximum user I/Os, JTAG-based IEEE 1149.1 boundary-scan test support, multi-voltage I/O (3.3 V with 5.0 V tolerance via pull-up), and a built-in configuration memory controller. Speed grade 6 indicates the slowest timing bin of the FLEX 6000 family, which trades maximum Fmax for the most favorable cost tier - appropriate for cost-sensitive industrial and embedded designs that do not need the highest clock rates. Typical applications include glue logic in industrial control systems, custom peripheral expansion for legacy microprocessors, telecommunications line-card interface logic, prototyping bridges for ASIC designs, and bus-protocol converters (e.g., ISA-to-local bus, UART muxing, parallel-to-serial aggregation). The 240-pin PQFP footprint makes hand-rework and socketed prototyping easier than BGA alternatives. When designing with the EPF6024AQC240-6, ensure your configuration PROM and clock-distribution network meet FLEX 6000 power-on sequencing requirements (VCCIO before VCCINT, then CONFDONE assertion). The 240-PQFP package has relatively long leads that aid inspection but limit high-speed signal lengths, so follow Altera application-note layout guidelines for clocks and global signals. This page consolidates distributor stock, drop-in same-family alternatives from the FLEX 6000 portfolio, and practical design guidance not found in the manufacturer datasheet alone.

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EPF6024AQC2403N - 24K Gates FLEX 6000 FPGA | Intel / Altera
EPF6024AQC2403N

EPF6024AQC2403N - 24K Gates FLEX 6000 FPGA | Intel / Altera

The Intel / Altera EPF6024AQC2403N is a 24,000-gate FLEX 6000 family Field Programmable Gate Array (FPGA) housed in a 240-pin Plastic Quad Flat Pack (PQFP / BFQFP) package. Built on the OptiFLEX architecture and fabricated on a 0.42 µm SRAM-based process, the device integrates 1,960 logic elements with 199 maximum user I/O pins, supplying 142.86 MHz internal performance at 3.3 V core supply. A field programmable gate array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs) connected via programmable interconnect and surrounded by programmable I/O cells. FPGAs belong to the broader category of programmable logic devices (PLDs), which also includes CPLDs and SPLDs. Within modern electronics, FPGAs sit between fixed-function ASICs and software-driven microcontrollers, offering hardware-timed parallelism, reprogrammability in the field, and gate counts ranging from a few thousand to millions of logic elements. Key features of the EPF6024AQC2403N include reconfigurable SRAM configuration memory, multi-voltage I/O support (3.3 V with 5.0-V tolerance when a pull-up resistor is used), and built-in JTAG-based in-system programmability. The device supports both 5.0-V and 3.3-V I/O standards on the same package, and the IOL current specification must be considered when sizing pull-up resistors on 5.0-V-tolerant outputs. The OptiFLEX architecture minimizes die size while maintaining high performance and routability, which makes the FLEX 6000 family a low-cost alternative to high-volume gate array designs. Typical use cases include glue logic replacement, custom peripheral interfacing, bus bridging, and low-volume ASIC prototyping. The wide 199-I/O budget suits parallel data acquisition and bus-aggregation designs, while the SRAM configuration supports frequent in-field firmware revisions. Industrial control front-ends and telecom line-card glue logic remain common sockets. When designing with this part, validate configuration mode and JTAG chain ordering against the FLEX 6000 family datasheet, and verify timing closure using the Quartus II or MAX+PLUS II tool flow. The 3.3-V core with 5.0-V-tolerant I/O simplifies mixed-voltage board designs without external level shifters on most signals. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the Altera FLEX 6000 datasheet, helping engineers shorten the sourcing and qualification cycle.

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EPF6024AQC280-3 - FLEX 6000 FPGA 24K Gates QFP-280 | Intel / Altera
EPF6024AQC280-3

EPF6024AQC280-3 - FLEX 6000 FPGA 24K Gates QFP-280 | Intel / Altera

The Intel / Altera EPF6024AQC280-3 is a member of the FLEX 6000 programmable logic device family that delivers approximately 24,000 usable gates in a 280-pin Plastic Quad Flat Pack (PQFP) package. The "-3" speed grade places it in the mid-tier of the family, balancing timing margin against cost for cost-sensitive glue-logic and bus-interface applications. The device is fabricated on a 0.35 um CMOS SRAM process and is in-system programmable via the IEEE 1149.1 (JTAG) boundary-scan interface. What is a FLEX 6000 device? The FLEX 6000 family is Altera's second-generation fine-grained SRAM-based programmable logic family, sitting in the taxonomy: programmable logic -> CPLD/FPGA -> SRAM-based FPGA -> FLEX architecture -> FLEX 6000 sub-family. It combines Look-Up Table (LUT)-based logic elements with a continuous FastTrack interconnect, providing true FPGA density while retaining predictable routing delays. FLEX 6000 parts were positioned as low-cost, high-volume alternatives to gate-array ASICs in the late 1990s and early 2000s. Key features of the EPF6024AQC280-3 include 2,560 logic elements (LEs), 24,000 typical gates, 196 I/O pins available in the 280-pin PQFP, 196 user-I/O pads, and 4 embedded array blocks (EABs) each containing 2 Kbits of dual-port RAM for a total of 8 Kbits of on-chip memory. The device supports 5V-tolerant I/O on the 0.35 um process variant and is available in commercial (0C to 70C) and industrial (-40C to +85C) temperature grades. Configuration is via passive serial (PS), passive parallel synchronous (PPS), passive parallel asynchronous (PPA), or JTAG modes using a serial configuration EEPROM such as the EPC2 or EPC8. Architecturally, each Logic Element combines a 4-input LUT, a programmable flip-flop, dedicated carry and cascade chains for arithmetic and wide fan-in functions, and a FastTrack interconnect that delivers constant-delay routing regardless of placement. The four EABs can be configured as 256x8, 512x4, 1024x2, or 2048x1 RAM blocks, or as 4x256 ROM blocks, making the EPF6024AQC280-3 usable for small FIFOs, register files, and lookup-table-based state machines. Typical applications include peripheral bus interfacing (ISA, PCI bridge glue logic), industrial control boards, telecommunications line cards, and legacy system upgrades where the 280-pin PQFP footprint was the de-facto standard. The wide I/O count is particularly useful for memory-controller state machines and parallel data-path bridging. Designers migrating from older FLEX 8000 designs benefit from pin-compatibility planning that allows drop-in upgrade to higher-density FLEX 10K or APEX families. When designing with this part, note that the PQFP-280 package has relatively high thermal resistance and limited I/O drive strength compared to later FineLine BGA packages; account for this in multi-layer board layouts. This page consolidates distributor pricing, lifecycle status, drop-in compatible Altera alternatives from the same FLEX 6000 family, and practical design notes that go beyond the original datasheet.

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EPF6024AQC280-3N - 24K Gate FLEX 6000 FPGA | Intel / Altera
EPF6024AQC280-3N

EPF6024AQC280-3N - 24K Gate FLEX 6000 FPGA | Intel / Altera

The Intel (formerly Altera) EPF6024AQC280-3N is a 24,000-gate member of the FLEX 6000 family of SRAM-based Field-Programmable Gate Arrays, housed in a 280-pin PowerQuad 4 (PQFP) plastic quad flat pack package. It integrates 24,000 typical gates (16,000 logic elements, 1,960 logic cells) with 6,192 RAM bits of embedded memory, four phase-locked loops (PLLs) for clock management, and operates across a commercial 0C to 70C junction temperature range. The -3 speed grade and "N" suffix denote the lead-free, lead-finish designation used by Altera during the FLEX 6000 program. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable routing interconnect, and configurable I/O cells, all controlled by on-chip SRAM configuration memory. FPGAs sit within the broader programmable logic hierarchy (PLD -> CPLD -> FPGA) and offer the highest logic density and highest performance of any programmable device family. The FLEX 6000 series specifically targets cost-sensitive glue-logic, bus-interface, and state-machine applications where designers need FPGA density but not the highest I/O count of competing families. Key features of the EPF6024AQC280-3N include 235 user I/O pins (the highest I/O count offered in the FLEX 6000 family), 4 PLLs for flexible clock synthesis, multiVolt I/O support (3.3V and 5.0V mixed-voltage operation), in-system programmability through the IEEE 1149.1 JTAG interface, and SRAM-based configuration that allows unlimited reconfigurations. The 280-pin PQFP package uses industry-standard 0.50 mm pitch gull-wing leads compatible with conventional SMT assembly lines. The device is built on a 0.35um CMOS SRAM process with five layers of metal interconnect, which delivers the speed-grade-3 timing closure of approximately 7 ns for a basic look-up table (LUT) operation. The four on-chip PLLs support clock multiplication, division, and phase shifting with sub-nanosecond jitter, simplifying board-level clock-tree design in telecom and industrial-control boards. Typical applications include industrial control and factory-automation controllers, glue-logic replacement around microprocessors and DSPs, telecommunications line cards and protocol bridges, legacy bus-interface adaptors (PCI, ISA, VME), and prototype ASIC emulation. The combination of 24K gates and 235 user I/O makes the EPF6024AQC280-3N a particularly strong fit when designers need to consolidate many discrete 74-series logic chips onto a single programmable device. When designing with this part, allocate configuration memory for the JTAG or EPC configuration device, observe the PowerQuad 4 thermal pad connection to the PCB ground plane, and verify signal-integrity margins on the high-pin-count PQFP package using controlled-impedance routing. The -3 speed grade is the slowest of the FLEX 6000 commercial grades; if a design requires higher fMAX, evaluate the -2 or -1 speed grade. This page synthesizes distributor pricing, drop-in alternatives from the same FLEX 6000 family, and practical design notes that go beyond the manufacturer datasheet to help engineers qualify and source the EPF6024AQC280-3N.

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EPF6024AQCAQC240-3 - FLEX 6000 FPGA, 1960 LEs, 240-BFQFP | Altera
EPF6024AQCAQC240-3

EPF6024AQCAQC240-3 - FLEX 6000 FPGA, 1960 LEs, 240-BFQFP | Altera

The Altera (Intel) EPF6024AQCAQC240-3 is a member of the FLEX 6000 family of Field-Programmable Gate Arrays (FPGAs) housed in a 240-ball Fine-pitch Ball Grid Array (BFQFP) package. Built on a 0.42 µm SRAM-based CMOS process, it integrates 24,000 typical gates (16,000 logic elements, equivalent to 1,960 logic cells / 196 LABs) with 199 user I/O pins, targeting glue-logic and high-volume ASIC-replacement designs. The -3 suffix denotes the speed grade, and the device supports in-system programmability via a standard 8-bit passive serial or parallel configuration interface. A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit that can be reconfigured by the customer after manufacturing to implement arbitrary digital logic. FPGAs sit at the top of the programmable logic hierarchy, above CPLDs and below full-custom ASICs. Within Altera's broader product taxonomy, the FLEX 6000 series was a cost-optimized, SRAM-based architecture positioned between the FLEX 8000 and FLEX 10K families, providing register-rich logic for high-density, register-intensive glue logic, datapath, and bus-interface applications. The "E" prefix in EPF6024A indicates an enhanced 5.0V-tolerable I/O variant. Key features include 196 Logic Array Blocks (LABs), each containing 10 Logic Elements (LEs) for a total of 1,960 LEs; 199 maximum user I/O pins; embedded SRAM distributed across the logic fabric; and configurable I/O standards including LVTTL, LVCMOS, PCI, and 5.0V tolerant inputs (with appropriate external limiting resistors). The 240-BFQFP package uses Altera's standard FineLine BGA-style fine-pitch footprint optimized for surface-mount manufacturing. Typical applications include telecommunications line cards, industrial control and factory-automation boards, ASIC-prototyping platforms, and embedded-control systems. The wide I/O count (199) makes it well-suited for bus-bridging applications where multiple legacy peripherals must be aggregated to a modern processor interface. One important design consideration is the 5.0V-tolerance constraint: the EPF6024A's I/O banks are 5.0V-tolerant only with proper external current-limiting, so legacy 5V peripherals may require bus switches or level translators. Additionally, this is a mature/legacy device family; new designs should evaluate Cyclone or MAX families unless second-source supply continuity for an existing platform is required. This page synthesizes distributor pricing, pin-compatible FLEX 6000 speed-grade variants, and practical configuration-mode guidance not found in the bare manufacturer datasheet.

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EPF6024AQI208-1 - 24K Gate FLEX 6000 PLD, 208-PQFP, 172 MHz | Altera
EPF6024AQI208-1

EPF6024AQI208-1 - 24K Gate FLEX 6000 PLD, 208-PQFP, 172 MHz | Altera

The Altera EPF6024AQI208-1 is a CMOS loadable Programmable Logic Device (PLD) from the FLEX 6000 family, delivering approximately 24,000 typical gates of user logic in a 208-pin Plastic Quad Flat Pack (PQFP) package with gull-wing leads. It supports a maximum clock frequency of 172 MHz and operates from a 3.0 V to 3.6 V supply with a 3.3 V nominal core voltage, drawing on SRAM-based configuration cells for fast in-system reconfigurability. The device integrates a high-performance Look-Up Table (LUT)-based architecture with embedded FastTrack interconnect and dedicated I/O elements. A Field-Programmable Logic Device (PLD) is a general term that encompasses SPLDs, CPLDs, and FPGAs - all are semiconductor devices whose logic function is defined after manufacturing by the end user. FLEX 6000 sits in the low-density, low-cost tier of the Altera (now Intel Programmable Solutions Group) FPGA portfolio, historically used as a glue-logic replacement for multiple 74-series TTL devices or small PAL/GAL arrays. The 6000 family supports JTAG-based boundary-scan, in-system programmability via the passive serial or ByteBlaster interface, and integrates distributed RAM blocks that can be repurposed as shift registers or small FIFOs. Key features of the EPF6024AQI208-1 include 24 typical logic elements (LEs) per logic array block, four dedicated FastRow/FastColumn interconnect lines, multi-voltage I/O support (3.3 V LVTTL/LVCMOS), and an operating junction temperature range suited for industrial environments. The 208-pin PQFP provides 158 usable I/O pins, sufficient for parallel bus bridging, address decoding, and state-machine intensive control functions. The device uses a 5V-tolerant I/O structure on input buffers, allowing mixed-voltage interfacing with legacy 5 V logic. Embedded JTAG (IEEE 1149.1) and embedded signal-probe circuitry allow post-layout debugging without external logic analyzers. Configuration is volatile and must be reloaded on power-up from a serial PROM or microcontroller. Typical applications include bus-bridge glue logic between microprocessors and peripherals, peripheral controllers in industrial PCs, custom state-machine controllers, address-decoding logic in embedded systems, and prototyping of larger FPGA designs before migration to higher-density families such as Cyclone or MAX. With its 172 MHz performance and 208-pin footprint, the EPF6024AQI208-1 is well-suited to designs where a small, deterministic, low-power PLD is preferred over a full FPGA. When designing with this part, ensure that configuration memory is loaded on every power-up because the SRAM cells are volatile. Plan PCB routing for the 208-pin PQFP with adequate power and ground planes, and verify JTAG chain continuity before relying on in-system updates.

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EPF6024AQI208-1N - FLEX 6000 24K FPGA 208-PQFP | Altera
EPF6024AQI208-1N

EPF6024AQI208-1N - FLEX 6000 24K FPGA 208-PQFP | Altera

The Intel (Altera) EPF6024AQI208-1N is a member of the FLEX 6000 family of SRAM-based, loadable programmable logic devices, delivering up to 24,000 typical gates (16,000 usable gates) in a 208-pin Plastic Quad Flat Pack (PQFP/BFQFP) surface-mount package. It is supplied from a 3.0 V to 3.6 V rail with 3.3 V nominal VCC, supports industrial operating temperatures, and reaches maximum internal clock frequencies around 172 MHz in the -1 speed grade. A Field-Programmable Gate Array (FPGA) is a programmable logic device (PLD) that combines thousands of configurable logic elements (LEs), embedded memory blocks, and programmable interconnect into a single semiconductor die. FPGAs sit at the top of the programmable logic hierarchy (PLD -> CPLD -> FPGA -> SoC FPGA) and are used as glue logic, accelerator fabric, and prototyping platforms between discrete 74-series logic and full custom ASICs. The FLEX 6000 family targets cost-sensitive glue-logic, bus-interface, and control-plane applications where small gate counts and 5.0 V-tolerant I/O previously dominated. Key features of the EPF6024AQI208-1N include 1,960 logic elements (LEs), a 4,608-bit embedded SRAM, 171 user I/O pins, and four phase-locked loops (PLLs) for on-chip clock synthesis. The -1 industrial speed grade is offered in a -40 C to +85 C temperature range with 208 gull-wing PQFP leads on a 28 mm x 28 mm body. The device is built on a 0.42 um CMOS SRAM process and is configured via a serial configuration EPROM at power-up. Architecturally, FLEX 6000 devices use a row-and-column LAB (Logic Array Block) structure with continuous FastTrack interconnect that routes signals horizontally and vertically at every LE. This fabric provides predictable timing for synchronous state machines, FIFO controllers, and bus-bridge logic. The four embedded PLLs support clock multiplication, division, and phase shifting across the 171 I/O, simplifying designs that require multiple clock domains from a single reference oscillator. Typical applications include industrial control and factory automation backplanes, telecommunications interface cards, legacy PCI/ISA bus bridges, military and aerospace upgrade programs, and educational FPGA lab kits. The wide-package 208 PQFP footprint makes the EPF6024AQI208-1N particularly attractive for redesigns of older PLCC-84 systems that need more I/O and embedded memory without moving to BGA. When designing with this device, allocate sufficient PCB area for the 28 mm x 28 mm PQFP body and use a 4-layer board with a dedicated VCC plane. Decoupling requires at least one 0.1 uF ceramic per VCC pin plus a single 33 uF tantalum bulk capacitor within 25 mm of the package. Boundary-scan (JTAG) and a ByteBlaster or MasterBlaster download cable are supported for in-system programming through the dedicated nCONFIG, nSTATUS, CONF_DONE and DCLK pins. This page synthesizes current distributor pricing, same-family Altera/Intel drop-in alternatives, application guidance, and JTAG programming notes not collated in the original FLEX 6000 datasheet alone.

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EPF6024AQI208-2 - FLEX 6000 PLD 24K Gates 208-PQFP | Altera
EPF6024AQI208-2

EPF6024AQI208-2 - FLEX 6000 PLD 24K Gates 208-PQFP | Altera

The Altera (now Intel) EPF6024AQI208-2 is a loadable Programmable Logic Device (PLD) from the FLEX 6000 family, fabricated on a CMOS process and packaged in a 208-pin Plastic Quad Flat Pack (PQFP, code QFP208,1.2SQ,20) with 0.500 mm terminal pitch. It delivers 24,000 usable gates, 1,960 logic elements (LEs), and 171 configurable I/O lines plus 4 dedicated inputs, organized as 171 inputs and 171 outputs for high-density glue-logic integration. What is a PLD? A Programmable Logic Device is a generic term for a digital IC whose logic function and interconnect are defined after manufacture by the end user. PLDs sit within the broader taxonomy of programmable logic: simple PLD (SPLD, e.g. PAL/GAL) -> complex PLD (CPLD) -> field-programmable gate array (FPGA), with FPGAs occupying the highest density tier. The FLEX 6000 series occupies the CPLD/early-FPGA boundary, optimized for high I/O count and predictable timing rather than register-rich datapath synthesis. Key features of the EPF6024AQI208-2 include a maximum clock frequency of 153 MHz, in-system programmability via SRAM configuration cells (requiring a configuration device on power-up), 5 V tolerant I/O (the 'I' speed grade), and an industrial operating temperature range of -40 C to +85 C. Embedded array blocks (EABs) provide on-chip ROM/RAM for look-up tables and small FIFOs, while each logic element contains a 4-input look-up table and a programmable flip-flop. Architecturally the FLEX 6000 uses a continuous-routing FastTrack interconnect that delivers predictable, compiler-driven delay rather than the segmented routing of later FPGA families. This makes timing closure straightforward at the cost of slightly higher propagation delay per gate compared with Look-Up-Table FPGAs of the same vintage. The PQFP-208 footprint offers through-hole-compatible hand-solderability for prototype and legacy repair, in contrast with the BGA-only options of later Cyclone families. Typical applications include industrial glue logic replacement, bus-interface bridges (e.g. PCI/ISA to local microcontroller), motor-control state machines, legacy telecom backplane glue, and instrumentation front-ends where 5 V I/O tolerance simplifies interfacing to analog front ends. The high I/O count (171 user I/O plus 4 dedicated inputs) suits designs that previously required multiple 84-pin PLDs. When designing with this part, note that FLEX 6000 devices are SRAM-based and lose configuration on power-down; pair with an Altera EPC configuration PROM (EPC1441/EPC1) for non-volatile boot. The PQFP-208 package requires a 1.2 mm pitch PCB footprint with a 30.6 mm body and exposed lead fingers - allocate at least four PCB layers for clean power and ground return paths beneath the package. This page synthesizes distributor stock, package-footprint drop-in variants, and design notes not found in the original datasheet.

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EPF6024AQI208-2N - FLEX 6000 24K Gate FPGA, PQFP-208 | Altera
EPF6024AQI208-2N

EPF6024AQI208-2N - FLEX 6000 24K Gate FPGA, PQFP-208 | Altera

The Altera EPF6024AQI208-2N is a member of the FLEX 6000 family of CMOS SRAM-based programmable logic devices (PLDs), featuring 24,000 typical gates, 1,960 logic elements, and 171 user I/O pins in a 208-pin Plastic Quad Flat Pack (PQFP) package. Per the Altera FLEX 6000 datasheet, the device operates from a 3.3 V core supply with a maximum clock frequency of 153 MHz, and uses SRAM configuration cells that must be loaded at every power-up from an external serial or parallel memory device. A FLEX 6000 device is a fine-grained reprogrammable logic IC that sits between a complex programmable logic device (CPLD) and a high-density field-programmable gate array (FPGA) in the broader programmable logic hierarchy (CPLD -> FLEX 6000 -> FPGA -> SoC FPGA). The FLEX 6000 family was Altera's first Optically reprogrammable, low-cost, SRAM-based FPGA line optimized for high I/O count glue logic and data-path applications. Compared with CPLDs, the FLEX 6000 offers higher register density and richer routing; compared with modern FPGAs, it provides simpler development but lower logic capacity. The EPF6024AQI208-2N delivers 171 configurable I/O lines plus 4 dedicated inputs, supporting a wide range of I/O standards including 3.3 V LVCMOS/LVTTL on the I/O banks. The maximum toggle performance of 153 MHz makes it suitable for mid-speed peripheral controllers, bus bridges, and state-machine replacement. Its high I/O count relative to its logic capacity makes it ideal for I/O-intensive glue-logic designs rather than DSP-heavy workloads. Internally, the FLEX 6000 architecture combines Look-Up Tables (LUTs) for combinational logic with dedicated register cells, interconnected by a continuous FastTrack routing matrix. The device uses SRAM configuration cells, meaning configuration is volatile and must be reloaded from external non-volatile memory (typically an EPC configuration EPROM) on every power-up via the Altera passive serial (PS) or passive parallel asynchronous (PPA) configuration scheme. Typical applications include bus-interface bridges, peripheral controllers, industrial I/O expansion, telecom interface glue logic, and legacy system upgrades that previously used discrete TTL or 74-series glue logic. The 208-pin PQFP package provides a fine-pitch (0.5 mm) surface-mount footprint with gull-wing leads, simplifying PCB assembly on standard reflow profiles. When designing with the EPF6024AQI208-2N, ensure a stable 3.3 V core supply with proper decoupling, and always pair the FPGA with a configuration memory (EPC2, EPC4, or compatible). JTAG boundary-scan is supported via the 4-wire IEEE 1149.1 interface, enabling in-system programming (ISP) and post-assembly verification. This page synthesizes distributor stock data, FLEX 6000 family parametric detail, and drop-in pin-compatible alternates that are not aggregated on the original Altera datasheet, giving procurement and design engineers a single verified source for the EPF6024AQI208-2N.

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EPF6024AQI208-3 - FLEX 6000 FPGA 24K Gates 208-PQFP | Intel
EPF6024AQI208-3

EPF6024AQI208-3 - FLEX 6000 FPGA 24K Gates 208-PQFP | Intel

The Intel EPF6024AQI208-3 is a member of the FLEX 6000 family of Field Programmable Gate Arrays, integrating 24,000 gates and 1,960 logic cells in a 208-pin Plastic Quad Flat Pack (PQFP) package. Built on a 0.42 µm CMOS process and operating at 3.3 V core, the device provides 171 user I/O pins and is rated for commercial temperature operation, delivering up to 142.86 MHz internal performance. The FLEX 6000 family was engineered as an ideal low-cost, programmable alternative to high-volume gate-array applications and allows rapid design changes during prototyping or design testing. A Field-Programmable Gate Array (FPGA) is a reconfigurable integrated circuit whose logic resources, interconnect, and I/O cells are defined by a user-supplied bitstream after manufacture. FPGAs sit between fixed-function Application-Specific Integrated Circuits (ASICs) and software-driven microcontrollers in the digital design hierarchy: they offer hardware-timed parallelism and deterministic latency unavailable in sequential processors, while avoiding the NRE mask costs of ASICs. The FLEX 6000 series belongs to the broader Programmable Logic Device (PLD) family, which also includes CPLDs and SPLDs. Key features of the EPF6024AQI208-3 include a register-rich, Look-Up Table (LUT)-based logic architecture, OptiFLEX interconnect that minimizes die area for high logic utilization, four Embedded Array Blocks (EABs) for on-chip memory implementation, and built-in JTAG boundary-scan test support (IEEE Std 1149.1). Each logic element (LE) contains a 4-input LUT, a programmable register, and carry/chain interconnect, allowing efficient implementation of arithmetic, register-intensive, and combinatorial designs without external memory components. Architecturally, the device employs a continuous, row-and-column interconnect backbone (FastTrack) that routes signals across the die with predictable delay. The 3.3 V supply rail reduces power consumption by roughly 40 percent compared with the 5.0 V FLEX 8000 predecessors, while still supporting 5.0 V tolerant I/O through clamping diodes on input pins. Configuration can be performed via passive serial, active serial, or JTAG modes using industry-standard EPC configuration devices, enabling in-system reconfiguration for field upgrades. Typical applications span glue-logic consolidation in industrial control boards, peripheral bus interfacing (ISA, PCI, VME), high-speed data-pump controllers, DSP pre-/post-processing front-ends, and low-volume prototypes replacing mask-programmed gate arrays. Because FLEX 6000 silicon is mature and broadly second-sourced on the secondary market, the EPF6024AQI208-3 is also frequently specified for long-lifecycle aerospace, defense, and medical systems that were originally designed in the late 1990s. When designing with this part, observe that the 3.3 V core cannot be directly powered from a 5 V rail - a regulator is required. Inputs are 5 V tolerant via clamping diodes but prolonged overdrive can inject latch-up current; series resistors of 200–470 Ω are recommended on signals driven from 5 V logic. Decoupling follows the standard FPGA guideline of one 0.1 µF high-frequency cap per VCC/GND pair plus bulk capacitors of 10–47 µF at each supply pin group. This page aggregates distributor pricing, verified drop-in alternatives within the FLEX 6000 family, and practical design guidance not consolidated in the original datasheet, supporting both new designs and maintenance of long-life legacy systems.

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EPF6024AQI208-3N - FLEX 6000 FPGA 24K Gates | Altera
EPF6024AQI208-3N

EPF6024AQI208-3N - FLEX 6000 FPGA 24K Gates | Altera

The Altera EPF6024AQI208-3N is a member of the FLEX 6000 family of Field Programmable Gate Arrays, delivering 24,000 gates, 1,960 logic elements (cells), and a maximum internal operating frequency of 142.86 MHz in a 208-pin Plastic Quad Flat Pack (PQFP/BFQFP) package. Manufactured on a 0.42 µm CMOS process with a 3.3 V core supply, the device combines a register-rich, look-up-table (LUT) based OptiFLEX architecture with 171 user I/O pins, making it suited for high-volume gate array replacement and rapid prototyping flows. A Field Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that allows engineers to implement arbitrary digital logic via a configurable array of logic blocks, routing channels, and I/O cells. Within the broader taxonomy, the FLEX 6000 sits as a low-cost, register-rich mid-density FPGA, positioned between simple CPLDs and higher-density SRAM-based FPGAs such as the FLEX 10K and APEX families. The FLEX 6000 family was specifically architected as an ideal low-cost programmable alternative to high-volume gate array applications, enabling fast design changes during prototyping and design testing. Key features include the OptiFLEX architecture for high utilization, multiVolt I/O support for interfacing with 2.5 V, 3.3 V, and 5 V buses, in-system programmability through a dedicated configuration interface, and JTAG boundary-scan test support per IEEE 1149.1. The "3N" speed grade designation places this part in a specific performance bin optimized for typical commercial industrial temperature ranges. With 1,960 logic elements and abundant user I/O, the EPF6024AQI208-3N delivers substantial logic capacity for glue logic, bus bridging, and parallel DSP pre/post-processing tasks. From an architectural perspective, the FLEX 6000 family employs continuous, segmented routing interconnect combined with dedicated carry chains and cascade chains that accelerate arithmetic and wide datapath operations. The 0.42 µm four-metal-layer CMOS process delivers a balance of die density, static power, and 3.3 V tolerance that was industry-leading at product introduction. Typical applications include industrial control glue logic, telecommunications interface bridging, prototyping of ASIC designs, parallel peripheral controllers, and embedded system bus arbiters. The 208-pin PQFP package and 171 user I/O pins enable direct interfacing with wide parallel buses such as PCI, ISA, and external memory buses. When designing with this device, pay close attention to configuration mode selection and the configuration device interface, since the FLEX 6000 family supports both passive serial and passive parallel configuration schemes with EPC configuration memories. Designers should also verify supply decoupling on every VCCINT and VCCIO pin per the FLEX 6000 Device Family datasheet recommendations. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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EPF6024AQI208-4 - FLEX 6000 FPGA 24K Gates 208-PQFP | Altera
EPF6024AQI208-4

EPF6024AQI208-4 - FLEX 6000 FPGA 24K Gates 208-PQFP | Altera

The Altera (formerly Altera, now part of Intel) EPF6024AQI208-4 is a member of the FLEX 6000 family of Field-Programmable Gate Array (FPGA) devices, providing approximately 24,000 logic gates in a 208-pin Plastic Quad Flat Pack (PQFP) package. It is built on a CMOS SRAM process and offers 1960 logic elements (LEs) with 171 configurable I/O pins and 4 dedicated inputs, targeting glue-logic, bus-interface, and peripheral bridging applications that were mainstream in the late 1990s and early 2000s. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that contains an array of configurable logic blocks (CLBs) connected via programmable interconnect, allowing designers to implement custom digital circuits after manufacturing. FPGAs sit in the taxonomy as: PLD -> programmable logic -> FPGA -> SRAM-based FPGA -> FLEX 6000 family. Compared to CPLDs, FPGAs offer higher logic density and richer register-rich architectures but lose non-volatility, requiring an external configuration memory (typically an EPC2 or similar serial PROM). Key features include 1960 logic elements organized as logic array blocks (LABs), embedded memory blocks, and a maximum clock frequency of 153 MHz. The device supports in-system programming via the FLEX 6000 configuration scheme, supports JTAG boundary-scan testing, and provides tri-state bus-friendly I/O with individually programmable slew-rate and drive-strength control per pin. The FLEX 6000 architecture employs a four-input LUT-based logic element, FastTrack interconnect for predictable timing, and a continuous routing structure that simplifies place-and-route. Configuration bitstream loads from a serial EPROM or microprocessor interface, and the device supports passive parallel, passive serial, and JTAG configuration modes. Typical applications include PCI bridge logic, legacy peripheral controllers, telecom line-card glue logic, industrial control boards, and replacement of discrete 74-series TTL/MSI gate arrays in long-lifecycle systems. The wide 171 I/O count suits bus-intensive designs. When designing with this FPGA, ensure configuration storage is provisioned and verify the speed grade (-4) matches timing closure requirements for the target logic. The -4 speed grade is one of the slower grades; newer logic designs should be verified against timing analysis. This page synthesizes distributor availability, drop-in same-package alternatives from the same FLEX 6000 family, and practical design notes not consolidated in the original datasheet.

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EPF6024AQI208-4N - 24K Gate FLEX 6000 FPGA 208-PQFP | Intel (Altera)
EPF6024AQI208-4N

EPF6024AQI208-4N - 24K Gate FLEX 6000 FPGA 208-PQFP | Intel (Altera)

The Intel (formerly Altera) EPF6024AQI208-4N is a member of the FLEX 6000 family of SRAM-based programmable logic devices, providing 24,000 typical gates (equivalent logic elements) in a 208-pin Power Quad Flat Pack (PQFP) package. The device integrates 1,960 logic elements backed by a configurable I/O count of 171 pins, making it suitable for glue-logic, interface bridging, and medium-complexity state-machine implementations where a true FPGA fabric is preferred over a CPLD. An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit that can be electrically configured by the customer after manufacture to implement arbitrary digital logic. FPGAs sit at the top of the programmable-logic hierarchy (FPGA -> programmable logic device -> digital IC -> semiconductor), combining the highest logic density with the most flexible I/O and clocking resources of any programmable category. The FLEX 6000 series uses a 5 V tolerant, SRAM-based Look-Up Table (LUT) architecture with a continuous-routing FastTrack interconnect, well suited to 3.3 V core designs of the late 1990s and early 2000s. Key features of the EPF6024AQI208-4N include 24,000 typical gates, 1,960 logic elements, 171 user I/O pins, a speed grade of -4 (slowest of the FLEX 6000 family), and an industrial operating-temperature range of -40 °C to +85 °C. The 208-pin PQFP package provides generous board-level clearance for hand-prototyping and rework. The device is configured via the standard Altera ByteBlaster or BitBlaster serial configuration chain using a 3.3 V or 5 V configuration EPROM companion. Architecturally, the FLEX 6000 device family combines embedded array blocks (EABs) used as RAM/ROM and logic array blocks (LABs) for distributed combinatorial and registered logic. Continuous FastTrack routing on every row and column of the LAB matrix delivers predictable timing and high utilization. Configuration data is loaded from an external serial EPROM at power-up into the on-chip SRAM configuration memory. Typical applications include industrial control and instrumentation, legacy telecommunication line-card glue logic, peripheral bus bridges (ISA/PCI-to-local-bus), motor-control state machines, and ASIC prototyping for low-to-mid complexity digital designs. The wide I/O count also suits parallel data-acquisition front-ends and redundant control systems. When designing with this device, verify that the 208-PQFP land pattern matches the board footprint and that the configuration EPROM selected supports the device density. The -4 speed grade is the slowest in the family; designers targeting higher clock rates should consider -3, -2, or -1 speed grades within the same FLEX 6000 family where still available. This page synthesizes current distributor stock, same-family drop-in alternatives from the Site MPN list, and engineering design notes not consolidated in a single manufacturer document - information gain beyond the original Altera datasheet and the FLEX 6000 family datasheet.

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EPF6024AQI208-7 - 24K Gate FLEX 6000 FPGA 208-PQFP | Altera
EPF6024AQI208-7

EPF6024AQI208-7 - 24K Gate FLEX 6000 FPGA 208-PQFP | Altera

The Altera EPF6024AQI208-7 is a member of the FLEX 6000 programmable logic device (PLD) family, delivering 24,000 typical gates (16,000 logic elements) in a 208-pin Plastic Quad Flat Pack (PQFP) package with industrial-grade temperature rating and -7 speed grade. Built on SRAM-based OptiFLEX architecture, the device provides a low-cost alternative to gate-array designs while maintaining high performance and routability, with reconfigurable SRAM elements allowing in-system design changes without board rework. A Field Programmable Gate Array (FPGA) is a type of integrated circuit containing programmable logic blocks, configurable interconnects, and configurable I/O cells, designed to be configured by the customer or designer after manufacturing. FPGAs sit at the top of the digital logic hierarchy (logic cell -> logic block -> programmable logic device -> FPGA -> programmable logic IC) and serve as a flexible alternative to fixed-function ASICs, particularly suited for low-to-medium-volume production, prototyping, and designs requiring post-deployment updates. Key features of the EPF6024AQI208-7 include 1,960 logic elements, 171 maximum user I/O pins, 196 flipflops, and continuous SRAM-based configuration supporting JTAG-based in-system programmability (ISP). The OptiFLEX architecture combines FastTrack interconnect with localized logic-array blocks (LABs), achieving deterministic timing with typical pin-to-pin delays down to 8 ns at the -7 speed grade. The device operates from a 5.0 V core (VCCINT) with 3.3 V or 5.0 V tolerant I/O banks selectable per pin. Typical applications include glue-logic replacement, interface bridging, bus arbitration, state-machine controllers, and peripheral expansion in industrial control, telecommunications, and embedded computing platforms. The -7 speed grade and industrial temperature range (-40C to +85C) make it suitable for moderate-speed control-plane functions where flexibility and fast time-to-market outweigh raw logic density. When designing with the EPF6024AQI208-7, use the Altera MAX+PLUS II or Quartus design environment for synthesis, place-and-route, and timing analysis. Provide a 5.0 V VCCINT rail with at least 1 uF of bulk decoupling near the supply pins, and ensure all configuration pins (nCONFIG, nSTATUS, CONF_DONE, MSEL) are pulled to the correct logic level for the chosen configuration mode. This page synthesizes distributor pricing, drop-in same-family alternatives from the FLEX 6000 line, lifecycle signals, and practical design notes not found in a single manufacturer datasheet, helping sourcing engineers and FPGA designers evaluate the EPF6024AQI208-7 against modern alternatives.

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EPF6024AQI240-1 - FLEX 6000 FPGA 24K Gates 240-PQFP | Altera
EPF6024AQI240-1

EPF6024AQI240-1 - FLEX 6000 FPGA 24K Gates 240-PQFP | Altera

The Altera (Intel) EPF6024AQI240-1 is a member of the FLEX 6000 programmable logic device family, delivering approximately 24,000 typical gates (USABLE gates up to 19,600) in a 240-pin Power Quad Flat Pack (PQFP) package with industrial temperature grade (-40C to +85C). The device features 4 dedicated inputs, 199 user I/O lines, and supports a maximum clock frequency of 172 MHz, targeting glue-logic, bus-interface, and peripheral bridging applications. A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells, allowing designers to implement custom digital circuits after fabrication. FPGAs sit above ASICs and CPLDs in flexibility: they offer higher logic density than CPLDs while remaining re-programmable, making them ideal for prototyping, low-volume production, and applications where standards or protocols may evolve. The FLEX 6000 family specifically targets cost-sensitive glue-logic and bus-interface designs with SRAM-based configuration. Key features of the EPF6024AQI240-1 include 4 dedicated input pins, 199 bidirectional I/O pins, on-chip SRAM-based configuration memory, JTAG-based IEEE 1149.1 boundary-scan test support, and multi-voltage I/O support for interfacing with 3.3V and 5.0V devices. The 240-pin PQFP package uses a 0.500 mm terminal pitch and provides a fine-pitch surface-mount form factor suitable for moderate-density designs. The device is built on a CMOS SRAM process and is configured via a serial configuration EPROM or microprocessor interface. Its 4-input look-up table (LUT)-based logic elements and FastTrack interconnect deliver predictable timing with pin-to-pin logic delays in the low nanosecond range, enabling high-speed state machines and datapath functions. Typical applications include PCI bus interfaces, peripheral bridging, DSP co-processing front-ends, telecommunications line-card glue logic, and industrial control system integration. Its 199 I/O make it well suited to wide-bus multiplexing and protocol conversion. When designing with this FPGA, ensure proper decoupling (0.1 uF ceramic per VCC pin group), adherence to the multi-voltage I/O sequencing requirements, and provision for a configuration EPROM or microcontroller-based configuration loader. Industrial-grade parts require careful thermal management in enclosed enclosures. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for engineers evaluating or maintaining legacy FLEX 6000 designs.

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EPF6024AQI240-1N - FLEX 6000 FPGA, 24K Gates | Intel / Altera
EPF6024AQI240-1N

EPF6024AQI240-1N - FLEX 6000 FPGA, 24K Gates | Intel / Altera

The Intel / Altera EPF6024AQI240-1N is a member of the FLEX 6000 Programmable Logic Device (PLD) family, providing 24,000 typical gates (equivalent) and 1,960 logic elements in a 240-pin Plastic Quad Flat Pack (PQFP) package. It is built on a 0.35 micron CMOS SRAM process with in-system programmability via an industry-standard 4-wire JTAG (IEEE 1149.1) interface. The device offers 199 user I/O pins and supports a maximum internal clock frequency of 172 MHz. FLEX 6000 devices belong to the broader hierarchy of Programmable Logic Devices (PLD), which sit between fixed-function ASICs and general-purpose microcontrollers in the digital logic spectrum. As a Field Programmable Gate Array (FPGA), the FLEX 6000 family implements arbitrary combinational and sequential logic via a lookup-table (LUT) based architecture with embedded SRAM configuration memory. Unlike one-time-programmable (OTP) antifuse FPGAs, FLEX 6000 parts are SRAM-based and can be reconfigured in-circuit thousands of times, which makes them suitable for prototyping and design-iteration workflows. Key features of the EPF6024AQI240-1N include 4 dedicated inputs, 199 bidirectional I/O lines organized in banked groups supporting multiple I/O standards, and an industrial operating temperature range. The PQFP-240 package provides a 0.500 mm terminal pitch in a square fine-pitch flatpack form factor. The 'I' speed grade places it in the mid-range of FLEX 6000 timing, while the 'N' suffix indicates a lead-free (Pb-free) assembly. Architecturally, the FLEX 6000 family uses Altera's Lab/Embedded Array Block structure. Each Logic Array Block (LAB) contains ten Logic Elements, each consisting of a 4-input LUT, a programmable register, and dedicated carry chain logic for arithmetic operations. This architecture makes the EPF6024 well-suited for high-speed glue logic, register-intensive datapath functions, and interface bridging applications. Typical applications include telecommunications line cards, industrial control systems, peripheral interface bridging, and legacy ASIC replacement. The 172 MHz internal clock rate supports common protocols such as PCI, UART, and high-speed parallel buses. When designing with this device, ensure that the JTAG chain is properly terminated and that configuration data is sourced from a stable EEPROM or processor. Designers should also verify that downstream tools (Quartus II or MAX+PLUS II) support the device before starting a new project. This page synthesizes distributor pricing, FLEX 6000 family alternatives, and practical design notes that are not found in the manufacturer datasheet alone.

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EPF6024AQI240-2 - 24K Gates, 199 I/O FLEX 6000 FPGA | Altera
EPF6024AQI240-2

EPF6024AQI240-2 - 24K Gates, 199 I/O FLEX 6000 FPGA | Altera

The Altera EPF6024AQI240-2 is a member of the FLEX 6000 programmable logic device family, providing 1,960 logic registers and 12,000-24,000 usable gates in a 240-pin Plastic Quad Flat Pack (PQFP-240) package with a 0.500 mm terminal pitch. Built on a 5.0 V-tolerant CMOS SRAM process, this FPGA delivers 199 user I/O lines plus 4 dedicated inputs and operates at a maximum clock frequency of 153 MHz. A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable routing channels, and programmable I/O cells. FPGAs sit at the top of the digital logic hierarchy: they are reprogrammable ASIC alternatives that bridge the gap between fixed-function Application-Specific Integrated Circuits and software-driven processors. The FLEX 6000 family specifically targets low-cost, high-volume glue-logic and bus-interface applications. Key features of the EPF6024AQI240-2 include 16 logic elements (LEs), embedded array blocks (EABs) for memory implementation, fast wide-decoder capability, multi-volt I/O support, and JTAG-compliant boundary-scan testing. The 'I' suffix denotes the industrial temperature grade (-40C to +85C), while 'Q' indicates the PQFP package, '240' is the pin count, and '-2' marks the speed grade. The device operates from a 3.3 V core supply with 5.0 V I/O tolerance, satisfying low-power requirements for notebook computers and battery-operated equipment. The FLEX 6000 architecture combines a continuous, high-performance routing network with fine-grained logic elements, enabling predictable timing closure for designs up to 24,000 gates. Its 4 dedicated input pins feed the global clock and clear networks, while the 199 user I/Os can be configured per-pin as input, output, or bidirectional with slew-rate control and tri-state buffering. Typical applications for the EPF6024AQI240-2 include glue-logic integration on legacy 5V/3.3V motherboards, PCI bus interfaces, peripheral controllers, telecommunications line cards, digital signal processing co-processors, and industrial control systems where the industrial temperature range is required. The PQFP-240 footprint remains widely supported by through-hole-compatible socket adapters for prototyping. When designing with this FPGA, ensure that the Quartus II or MAX+PLUS II design toolchain matches the '-2' speed grade in the device selection. The configuration scheme (PS, PPS, or JTAG) must be selected during board design because FLEX 6000 devices do not retain configuration when power is removed - a separate configuration memory device is required. This page synthesizes distributor availability, same-brand drop-in alternatives drawn from the FLEX 6000 family, and practical design notes not found in the original datasheet. Pricing reflects the open-market spot price for new-old-stock material as of 2026-09-12.

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EPF6024AQI240-2N - FLEX 6000 FPGA, 24K Gates, 240-PQFP | Altera
EPF6024AQI240-2N

EPF6024AQI240-2N - FLEX 6000 FPGA, 24K Gates, 240-PQFP | Altera

The Altera (now Intel) EPF6024AQI240-2N is a 24,000-gate FLEX 6000 family Field-Programmable Gate Array (FPGA) housed in a 240-pin Plastic Quad Flat Pack (PQFP) package with 0.500 mm terminal pitch. It provides 1,960 logic elements (LEs), 199 user I/O pins, 4 dedicated inputs, and a maximum internal clock frequency of 153 MHz, targeting glue-logic, bus-interface, and peripheral-control applications. A FLEX 6000-series FPGA is a SRAM-based programmable logic device that combines look-up-table (LUT) based logic elements with a continuous routing architecture, sitting in the broader taxonomy of programmable logic devices (PLD) -> field-programmable gate array (FPGA) -> logic IC -> integrated circuit (IC) -> semiconductor. Unlike mask-programmed gate arrays, FPGAs are reprogrammable in-system, allowing iterative hardware design and in-field firmware updates. Key features include 1,960 logic elements, 199 user I/O pins, 4 dedicated inputs, embedded SRAM-based configuration memory, and an industrial operating temperature range of -40C to +85C. The 'AQI240' suffix denotes the plastic QFP package and industrial temperature grade, while '-2N' indicates the speed grade and lead-free (Pb-free) finish. Technically, the device uses a 5.0V-tolerant CMOS SRAM configuration cell with an EEPROM-less, ISP-capable architecture that loads bitstreams from external PROMs or microcontrollers. Its continuous routing fabric and FastTrack interconnect minimize routing congestion, while per-LE flip-flops and dedicated carry chains support efficient arithmetic and state-machine implementation. Typical applications include industrial glue logic, peripheral bus bridges (ISA-to-PCI glue, UART expansion), motor-control co-processors, telecom line cards, and legacy embedded-system replacement. The wide 199 I/O count makes it suitable for parallel-bus interfaces and high-pin-count control planes. When designing with this device, ensure an external configuration memory (EPC1/EPC2 or compatible PROM) is provided for SRAM cell loading on power-up, and respect the JTAG boundary-scan chain (IEEE 1149.1) for in-system programming. Plan PCB thermal dissipation because PQFP-240 packages have higher junction-to-ambient thermal resistance than BGA equivalents. This page synthesizes distributor pricing, same-brand Altera/Intel drop-in alternatives (all in the FLEX 6000 family), and practical design notes not found in the manufacturer datasheet alone.

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EPF6024AQI240-3 - FLEX 6000 FPGA, 24K Gates, 240-PQFP | Intel
EPF6024AQI240-3

EPF6024AQI240-3 - FLEX 6000 FPGA, 24K Gates, 240-PQFP | Intel

The Intel (Altera) EPF6024AQI240-3 is a member of the FLEX 6000 family of Field-Programmable Gate Arrays (FPGAs), delivering approximately 24,000 usable gates in a 240-pin Plastic Quad Flat Pack (PQFP240) with 0.50 mm terminal pitch. The device integrates 1,960 logic elements and 199 user I/O pins plus 4 dedicated inputs, providing high I/O density for glue-logic, bus-interface, and control-plane applications. The -3 speed grade supports a maximum clock frequency of up to 133 MHz, allowing the part to handle moderately fast state machines and parallel datapaths. What is an FPGA? A Field-Programmable Gate Array (FPGA) is a semiconductor device based on a matrix of configurable logic blocks (CLBs) connected via programmable interconnect. FPGAs sit between simple PLDs/CPLDs (lower density, deterministic timing) and ASICs (high NRE, fixed function). The FLEX 6000 family is Altera's classic SRAM-based, low-density FPGA line (now owned and supported by Intel) positioned for cost-sensitive glue logic, bridging, and I/O expansion roles rather than high-performance signal processing. Key features of the EPF6024AQI240-3 include 1,960 logic elements, 199 user I/O lines plus 4 dedicated inputs, 0.5 mm pitch PQFP-240 for socketed or hand-prototype assembly, SRAM-based configuration (volatile - requires a configuration PROM such as EPC2 or EPC4 on power-up), and in-system programmability via JTAG (IEEE 1149.1). The 240-pin PQFP footprint enables simpler rework and breadboarding compared with fine-pitch BGA alternatives, an important consideration for legacy industrial designs. Architecturally, the FLEX 6000 device uses Altera's patented continuous interconnect scheme with embedded array blocks (EABs) used as RAM/ROM. The part is fabricated on a CMOS process and operates from a 5.0 V core supply with multi-voltage I/O support. Configuration is loaded from a serial or parallel PROM over a dedicated data path, making board-level bring-up straightforward. Typical applications include industrial control glue logic, parallel I/O expansion and bus interfacing, prototype-to-production ASIC replacement, motor-control sequencing, legacy telecom backplane glue logic, and test instrumentation I/O conditioning. The 240-pin PQFP package is also favored where socket-based field replacement is required. Design consideration: The EPF6024AQI240-3 is an older FLEX 6000 device, and Intel/Altera long-term support is limited. Designers building new products should consider Cyclone or Cyclone II as modern equivalents, while keeping the FLEX 6000 family for legacy repair and second-source maintenance.

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EPF6024AQI240-3N - FLEX 6000 24K FPGA, 240-PQFP | Intel
EPF6024AQI240-3N

EPF6024AQI240-3N - FLEX 6000 24K FPGA, 240-PQFP | Intel

The Intel EPF6024AQI240-3N is a member of the FLEX 6000 family of FPGAs (Field Programmable Gate Arrays), delivering 24,000 logic gates in a 240-pin Plastic Quad Flat Pack (PQFP-240) package with 0.50 mm terminal pitch. Built on CMOS SRAM process technology, it offers 199 user I/O pins and 4 dedicated inputs, giving designers substantial I/O bandwidth for glue-logic and parallel interface bridging. What is an FPGA? An FPGA (Field Programmable Gate Array) is a programmable logic device that allows hardware designers to configure digital logic after manufacturing. FPGAs sit within the broader hierarchy of programmable logic devices (PLDs) -> logic devices -> integrated circuits -> semiconductors, and the FLEX 6000 family was Intel/Altera's classic low-cost, low-power SRAM-based FPGA line targeting high-volume glue logic and bus-interface applications. Key features of the EPF6024AQI240-3N include a maximum clock frequency of 133 MHz, in-system programmability via SRAM configuration cells, and 5V-tolerant I/O support typical of the FLEX 6000 family. The -3N speed grade places this part in the mid-tier performance band of the family, and the 'N' suffix designates an industrial operating temperature grade. The 240-pin PQFP provides a generous package footprint suitable for legacy designs and prototype boards. Technically, the FLEX 6000 architecture uses Logic Elements (LEs) organized into Logic Array Blocks (LABs), with each LE containing a 4-input LUT and a register. Configuration is volatile and must be loaded from an external serial or parallel PROM at every power-up. The device interfaces with industry-standard configuration memories including the EPC1, EPC2, and EPC16 serial configuration devices from Altera/Intel. Typical applications include legacy industrial control systems, telecommunications backplane glue logic, parallel bus bridging, and prototype ASIC replacement. The wide I/O count and 5V tolerance make it especially well-suited to interfacing older microprocessors with modern peripherals. When designing with this FPGA, ensure your configuration memory interface is correctly wired and that the board supports the required JTAG programming path. The PQFP-240 footprint requires substantial PCB real estate and careful thermal planning for industrial temperature operation. This page synthesizes distributor pricing, drop-in same-package alternatives (PQFP-240 speed grades), and practical design considerations for the EPF6024AQI240-3N that are not consolidated on any single manufacturer or distributor page.

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EPF6024ATC100-10 - FLEX 6000 24K Gates FPGA | Altera | TQFP-100
EPF6024ATC100-10

EPF6024ATC100-10 - FLEX 6000 24K Gates FPGA | Altera | TQFP-100

The Altera EPF6024ATC100-10 is a member of the FLEX 6000 family of CMOS programmable logic devices, offering 24,000 typical gates (16,000 logic gates equivalent) in a 100-pin TQFP (TC100) surface-mount package with -10 speed grade. The device is fabricated on a 0.42 um CMOS SRAM-based process and operates from a 3.3V core supply with 5.0V tolerant I/O, making it drop-in compatible with the older 5V-only MAX 7000 family while consuming substantially less power. A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines the density of gate arrays with the in-system reprogrammability of SRAM. Within the broader semiconductor taxonomy, an FPGA belongs to: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. FPGAs are used to implement arbitrary digital logic functions, glue logic, bus bridges, state machines, and parallel data-path circuits, sitting between fixed-function ASICs (high NRE, low unit cost) and small CPLDs (low density, non-volatile) in the design trade-off space. Key features of the EPF6024ATC100-10 include 1,960 logic elements (LEs), 24,192 RAM bits of embedded memory, four embedded array blocks (EABs) each configurable as 2Kx8 / 4Kx4 / 8Kx2 / 16Kx1 RAM or ROM, 80 maximum user I/O pins, and FastTrack continuous routing interconnect. Per the manufacturer datasheet, the device supports in-system configuration via the passive serial (PS), passive parallel asynchronous (PPA), passive parallel synchronous (PPS), and active serial (AS) configuration schemes with optional data compression for faster configuration. Architecturally, each LE contains a 4-input look-up table (LUT), a programmable register, a carry chain for fast adders, and a cascade chain for wide fan-in functions. The four EABs each provide 2K bits of true dual-port RAM with byte enables, enabling efficient FIFO, look-up-table, and small-cache implementations without consuming external LE memory. The FastTrack interconnect provides predictable, delay-driven routing across row and column channels, simplifying timing closure compared with segmented architectures. Typical applications include industrial control glue logic, telecom line-card bus interfaces, legacy peripheral bridging (PCI-to-ISA, UART-to-ISA), DSP co-processing front-ends, and digital instrumentation. The wide 5V tolerant I/O makes it a popular choice as a drop-in upgrade for 5V MAX 7000 designs that need higher density without redesigning the power tree. Designers should note that the EPF6024ATC100-10 is in the Altera FLEX 6000 family with -10 speed grade; the higher -2 and -3 speed grades (when available) offer improved Fmax but require verification against timing constraints. Quiescent supply current is dominated by I/O switching, so decoupling must include 0.1 uF X7R ceramics per VCCIO/VCCINT pin pair plus a bulk 33 uF tantalum near the supply pins.

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EPF6024ATC114-3 - FLEX 6000 FPGA 24K Gates | Altera
EPF6024ATC114-3

EPF6024ATC114-3 - FLEX 6000 FPGA 24K Gates | Altera

The Altera (now Intel) EPF6024ATC114-3 is a member of the FLEX 6000 family of SRAM-based programmable logic devices, providing approximately 24,000 equivalent gates of logic capacity in a 114-pin TQFP package. It is a low-density, low-cost FPGA optimized for glue-logic, bus-interface, and high-volume consumer/industrial applications where ASIC replacement economics matter more than raw logic density. A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit containing configurable logic blocks (CLBs), programmable routing, and I/O cells that engineers can program after manufacture using a hardware description language (HDL). In the broader taxonomy, FPGAs belong to programmable logic devices (PLDs), sitting alongside CPLDs and structured ASICs; the FLEX 6000 family represents Altera's earlier-generation, SRAM-based, look-up-table (LUT) architecture that was widely adopted in the late 1990s and early 2000s for ASIC prototyping and low-density glue logic. Key features of the EPF6024ATC114-3 include approximately 24,000 typical gates, 1,960 logic elements (LEs), 117 user I/O pins, and SRAM-based configuration with a 5.0 V tolerant I/O supply option. The device is built on a 0.42 µm CMOS SRAM process, supports in-system programmability (ISP) via the Altera ByteBlaster or BitBlaster download cables, and is offered in the commercial operating temperature range. Architecturally, the FLEX 6000 device uses a row-and-column interconnect structure with embedded array blocks (EABs) for memory and arithmetic functions. Each logic element contains a 4-input look-up table (LUT), a programmable flip-flop, and fast carry-chain logic for arithmetic. This is a different architecture from MAX 7000 (CPLD) and from the more modern Cyclone series, so designers porting designs between families must re-target HDL and re-pin assignments. Typical applications include bus-interface bridging, peripheral controllers, ASIC prototyping, industrial control glue logic, and legacy telecommunications backplane interfaces. The wide operating temperature range and PQFP/TQFP packaging also make it suitable for industrial automation systems and embedded instrumentation where surface-mount rework is straightforward. When designing with this part, note that the EPF6024ATC114-3 is now in an obsolete/EOL lifecycle state. Engineers targeting new designs should consider the modern Cyclone series or MAX II CPLDs, while existing production designs should verify long-term supply arrangements with distributors and consider last-time-buy opportunities. Configuration must be loaded from an external serial PROM at power-up because the SRAM-based configuration is volatile. This page synthesizes verified distributor inventory, drop-in pin-compatible alternatives from the FLEX 6000 family, and practical design notes for legacy ASIC replacement, providing context not aggregated in any single manufacturer or distributor datasheet.

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