Circuitos integrados

EPC4QQC100C

EPC4QQC100C - 4Mb Enhanced Configuration PROM, 100-PQFP | Intel / Altera

The Intel (formerly Altera) EPC4QQC100C is an Enhanced Configuration Device (configuration PROM) that stores 4 Mbit of configuration bitstream for SRAM-based FPGAs, delivered in a 100-pin PQFP (20x14 mm) package. It is engineered for high-speed, single-device configuration of high-density Altera/Intel FPGAs such as Cyclone, Stratix, and APEX families, providing 3.3V core operation with multi-volt I/O support for downstream FPGA rails. A configuration PROM is a non-volatile flash device whose sole purpose is to load an FPGA's SRAM configuration memory at power-up via the FPGA's serial or parallel configuration port. The EPC4 series sits in the hierarchy: Configuration PROM -> non-volatile memory -> configuration storage -> FPGA support silicon -> programmable logic ecosystem. Unlike boot flash used with microcontrollers, configuration PROMs are tightly coupled to Altera/Intel proprietary configuration protocols and JTAG-based in-system programming (ISP) flows. Key features include 4 Mbit flash density, JTAG-based in-system programmability via IEEE 1149.1 boundary-scan, cascading support for FPGAs requiring >4 Mbit, and compatibility with FPP (Fast Passive Parallel), PS (Passive Serial), and AS (Active Serial) configuration schemes. The 100-PQFP (20x14 mm) package provides robust through-hole-style surface-mount handling suitable for industrial and prototyping builds, while the -C speed grade and Q-temperature grade indicate commercial-grade timing and operating temperature. Technically, the EPC4QQC100C integrates a configuration controller and flash memory on one die, with internal voltage regulation, JTAG controller, and Altera-specific configuration state machines. Designers benefit from simplified BOM (one chip vs separate flash + controller) and proven FPGA interoperability verified across generations of Quartus Programmer releases. Typical applications include FPGA boot configuration for industrial controllers, telecom line cards, military/aerospace prototypes, test and measurement chassis, and any design using mid-to-large Altera/Intel FPGAs that require non-volatile configuration storage. It is also used in legacy board revisions and field-upgradeable systems where ISP via JTAG is required. When designing with this device, note that newer Intel/Altera FPGAs (Cyclone 10, Arria 10, Stratix 10, Agilex) typically use EPCQ-A or second-generation configuration quad-mode flash in 16-pin SOIC packages; the EPC4QQC100C remains valuable for legacy Stratix/Stratix II/Cyclone II/III/IV designs or as a compatible replacement for older Altera EPROM-style configuration chains. Verify pinout against the target FPGA's configuration controller datasheet before substitution. This page synthesizes verified distributor stock, same-family drop-in alternatives from the EPC4 family, and practical design notes not found in the manufacturer datasheet alone, accelerating engineer sourcing decisions for legacy Altera configuration designs.

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EPC4SI8N-JHG0

EPC4SI8N-JHG0 - 4Mb Config Device for SRAM FPGAs | Altera

The Altera EPC4SI8N-JHG0 is an enhanced-configuration serial flash device designed to load configuration bitstreams into SRAM-based Altera/Intel FPGAs such as Stratix, Cyclone, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K series. Packaged in an 8-pin SOIC (SI8) with J-lead-style option code and a -JHG0 ordering suffix marking, the part provides non-volatile storage and supports single-device configuration for high-density FPGAs via a four-pin serial interface. Configuration devices are non-volatile memories dedicated to storing FPGA bitstreams. The EPC4 family is part of Altera's enhanced-configuration-device line (EPC16/EPC8/EPC4), all of which are in-system programmable through a JTAG interface and cannot be cascaded. Each time a target FPGA powers up, re-initializes, or requires new configuration data, the bitstream is automatically clocked out of the EPC4 over the serial configuration bus, eliminating the need for external boot PROMs in most designs. Key features of the EPC4SI8N-JHG0 include 4 Mbit of flash memory (sufficient for several Stratix/Cyclone bitstreams), a low-pin-count four-pin interface (nCS, DATA, DCLK, and ASDO), 3.3V core operation, and low standby current. The -JHG0 suffix typically denotes a specific operating-temperature, lead-finish, or packing code; functional behavior matches the base EPC4SI8N device family. The EPC4SI8N-JHG0 is typically used as a stand-alone configuration memory for a single FPGA. Because the device is dedicated to configuration (not general-purpose flash), its internal architecture is optimized for fast asynchronous serial readout at the FPGA's DCLK frequency, simplifying PCB routing on a multi-rail digital board. Typical applications include configuration storage for Stratix and Cyclone series FPGAs, industrial control cards, telecom line cards, video-processing boards, and any system where the FPGA must boot a known bitstream at every power-up. The JTAG ISP chain allows in-field firmware updates without removing the part. When designing with the EPC4SI8N-JHG0, observe the 3.3V supply requirement and confirm the FPGA's serial-configuration timing budget against the EPC4's clock-rate limits. Decoupling the VCC pin with a 0.1uF capacitor placed within 5 mm of the package is recommended to keep the configuration clock rail clean. This page synthesizes distributor pricing, parametric alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with the trade-off analysis needed to select or substitute this Altera/Intel configuration device.

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EPC4SI8N-JHG2

EPC4SI8N-JHG2 - Altera Enhanced Configuration Device | 4Mb Flash

The Altera EPC4SI8N-JHG2 is an enhanced configuration device (EPC4) supplied in an 8-pin SOIC package, used to store configuration bitstreams for SRAM-based FPGA and PLD families. According to the Altera datasheet, it provides 4 Mbit of flash memory organized as a serial configuration PROM with a 40 MHz serial interface, supporting active serial (AS) configuration of high-density Altera FPGAs such as the Stratix, Cyclone, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K device families. Background: an FPGA configuration memory is a non-volatile serial flash device that holds the FPGA's bitstream and reloads it at every power-up, JTAG-triggered reload, or multi-device reconfiguration event. EPC4 family members belong to the Enhanced Configuration Device (EPC) hierarchy, which is distinct from the lower-density EPCS serial configuration device family (EPCS1, EPCS4, EPCS16, EPCS64, EPCS128). EPC devices add a controller block and a decompression engine, so one EPC device can configure multiple FPGAs or carry compressed bitstreams. Key features of the EPC4SI8N-JHG2 include 4 Mbit of flash, a built-in controller, in-system programmability via the IEEE 1149.1 JTAG interface, and a dedicated serial configuration data output. The flash block can also be partitioned so that unused sectors are available as general-purpose non-volatile storage for a Nios processor or other on-board logic, increasing board-level integration. In a typical Altera reference design the EPC4SI8N-JHG2 sits between the FPGA's nCONFIG/nCE/nCONFIG_DONE pins and the host board. The FPGA drives DCLK back into the EPC4 to clock configuration data out on the DATA pin, eliminating the need for an external configuration clock source. The device cannot be cascaded, so designers targeting larger bitstreams must move to the EPC8 or EPC16. Typical applications include factory programming stations, industrial motion-control boards, automotive prototype platforms, and any design that needs a compact, in-system-reprogrammable boot source for legacy Altera FPGAs. Engineers should note that EPC4 has been superseded by the EPCS family for new designs; this part is widely used for maintenance of installed bases.

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EPC80C100

EPC80C100 - 80-Mbit Config Memory for SRAM-Based LUTs | Intel FPGA

The Intel (formerly Altera) EPC80C100 is an 80-megabit enhanced configuration memory device designed to store and stream configuration bitstreams to SRAM-based look-up-table (LUT) FPGAs in the Altera Cyclone, Stratix, APEX, and ACEX families. The part is housed in a 100-pin Plastic Quad Flat Pack (PQFP/EQFP) package and supports serial (PS) and parallel configuration interfaces used in classic Altera FPGA boot chains. A configuration device is a non-volatile serial/parallel memory that holds the FPGA's bitstream and loads it at power-up through the FPGA's dedicated configuration pins (nCONFIG, DCLK, DATA, nSTATUS, CONF_DONE). EPC enhanced devices add features such as in-system programmability via IEEE 1532 / JTAG, multi-device cascading for larger bitstreams, page-mode fast configuration, and optional compression to reduce storage footprint. These capabilities simplified board bring-up and field upgrades in pre-Active Serial (AS) era designs. Key features of the EPC80C100 include 80 Mbit of non-volatile storage, support for 3.3 V core and 1.8 V/3.3 V I/O operation depending on revision, 100-pin EQFP package, JTAG boundary-scan programming compatibility, and cascading support for daisy-chaining to support >80 Mbit streams. The device pairs with the Altera MAX series CPLDs and early SRAM FPGAs (Cyclone, Cyclone II, Stratix, Stratix GX, APEX 20K, ACEX 1K) where JTAG-based or passive serial configuration is required. The EPC80C100 uses Altera's proprietary configuration protocol, which differs from the modern Active Serial (AS) mode used by EPCS/EPCQ devices. Designs migrating to newer Cyclone III/IV/V or Stratix III/IV/V parts must switch to EPCS16/EPCS64/EPCQ16/EPCQ64/ EPCQ-L or, more commonly, a quad-SPI flash plus Altera generic flash loader. Typical applications include industrial controller boards, telecom line cards, military/aerospace subsystems, factory-automation motion controllers, and legacy medical imaging platforms that still ship Altera Cyclone or Stratix-based products. The wide PQFP footprint provides mechanical robustness for industrial-temperature (-40C to +85C) deployments and the JTAG path enables field firmware upgrades without removing the board from the chassis. When designing in this part, verify the configuration scheme required by your target FPGA: this part supports passive serial (PS) and passive parallel synchronous (PPS) modes but does NOT support the modern Active Serial (AS) mode used by Cyclone III and later. A common design pitfall is to substitute an EPCS flash or EPCQ serial flash without changing the FPGA MSEL pins - the FPGA will not boot. This page synthesizes distributor stock checks, parametric position within the EPC family, drop-in and migration alternatives, and practical board-bring-up notes that are not consolidated in any single manufacturer or distributor page.

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EPC80C100T

EPC80C100T - Altera Enhanced Configuration Device, 100 MHz | Intel

The Intel (formerly Altera) EPC80C100T is an Enhanced Configuration Device designed to configure SRAM-based look-up table (LUT) FPGAs such as the APEX 20K, APEX II, Mercury, ACEX 1K, Cyclone, and Stratix device families. Packaged in a 100-pin PQFP (T suffix indicates tape-and-reel), it provides non-volatile 3.3V flash storage of up to 8 Mb of configuration bitstream, enabling single-chip FPGA configuration at power-up. An Enhanced Configuration Device is a specialized flash memory with a dedicated FPGA configuration interface. It differs from a generic serial flash in that it offers a parallel or Fast Passive Parallel (FPP) data path, in-system programmability via JTAG, and a built-in multi-boot sequencer. Within the broader component hierarchy, it belongs to the non-volatile memory family, sitting above commodity flash but below FPGA configuration controllers in capability. Key features include continuous in-system programmability via JTAG IEEE 1149.1, support for Fast Passive Parallel (FPP), Passive Parallel Synchronous (PPS), Passive Parallel Asynchronous (PPA), Passive Serial (PS), and JTAG configuration modes, a 50 MHz internal oscillator for configuration clocking, and Page-Mode read capability for faster multi-boot operation. The T-suffix device is supplied in tape-and-reel packaging. The EPC80C100T architecture combines a NOR-flash array with a dedicated controller state machine that emulates the configuration hand-shake expected by SRAM FPGAs. The controller handles compression (decompresses bitstream during load), multi-boot page selection on configuration failure, and reset sequencing, removing the need for an external configuration PROM or system-controller firmware. Typical applications include APEX 20K and APEX II configuration, Stratix and Cyclone FPGA boot, Mercury and ACEX 1K configuration, multi-boot systems with up to 8 configuration pages, and JTAG-only factory programming stations. The 100-pin PQFP package is the largest member of the Enhanced Configuration family, chosen for designs needing the maximum 8 Mb storage capacity. Design considerations include the 3.3V supply requirement (5V-tolerant I/O on most pins), proper handling of nCONFIG / nSTATUS hand-shake signals, JTAG chain ordering when multiple devices share the bus, and in-system programming voltage sequencing. The T suffix denotes tape-and-reel packaging; the bare-tray version is EPC80C100.

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EPC81500RC304-3

EPC81500RC304-3 - Enhanced Configuration Device for SRAM FPGAs | Altera

The Altera EPC81500RC304-3 is an Enhanced Configuration Device designed to configure SRAM-based look-up-table (LUT) FPGAs such as Altera FLEX and ACEX families. Housed in a 304-pin Plastic Quad Flat Pack (PQFP/RQ304) package, this configuration memory stores the FPGA configuration bitstream in non-volatile flash and delivers it serially or in parallel to the target FPGA at system power-up or reconfiguration. What is an Enhanced Configuration Device? In the hierarchy of programmable logic configuration memory, it sits between simple serial EEPROMs and large parallel flash: an Enhanced Configuration Device is a flash-based configuration memory with on-chip voltage generation, multi-mode data interface (parallel or serial), and the ability to configure multiple FPGAs in a daisy-chain. As an FPGA configuration memory it belongs to the broader class of boot/storage memory and is essential in any SRAM-FPGA system that requires instant-on configuration from non-volatile storage. Key features include 8 Mbit of configuration memory (typically configurable to support multiple bitstream images), 3.3V or 5V tolerant I/O, support for FLEX 8000 / FLEX 10K / ACEX 1K / APEX family targets, and an industry-standard JTAG (IEEE 1149.1) interface for in-system programming. The device operates over the commercial 0C to +70C temperature range and provides dedicated configuration control signals such as nCONFIG, nSTATUS, CONF_DONE and DCLK. The EPC81500RC304-3 uses a 5.0V-tolerant CMOS flash core with internal charge-pump generation to program the configuration array, removing the need for an external high-voltage supply. Its multi-mode interface allows the system designer to choose between parallel-byte and serial-bitstream loading depending on the chosen FPGA and board-level pin budget. Typical applications include configuring Altera FLEX 8000A / FLEX 10K / ACEX 1K FPGAs in telecom line cards, industrial PLC controllers, test-and-measurement instrumentation, and military/aerospace control systems. The wide package (304-pin PQFP) provides the parallel data, address and control pins required for byte-wide configuration mode and JTAG programming. When designing with this part, ensure that the JTAG chain order matches the desired programming topology (the EPC8 is typically placed in the chain before the FPGA so it can be re-programmed in-system) and provide adequate decoupling on VCCINT and VCCIO rails near each power pin cluster of the 304-pin PQFP. Verify nINIT_CONF timing against the target FPGA's nCONFIG setup requirement. This page synthesizes distributor pricing, parametric data from the Altera datasheet, and practical design notes not collected in a single place elsewhere.

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EPC8820ARC208-3

EPC8820ARC208-3 - Altera Enhanced Config Device | 208-FQFP

The Altera EPC8820ARC208-3 is an Enhanced Configuration Device from the Altera/Intel EPC family, supplied in a 208-pin FQFP (Plastic Quad Flat Pack) package with exposed pad. It is designed to configure SRAM-based Look-Up Table (LUT) devices such as the FLEX 8000 and APEX series, providing non-volatile serial configuration storage for FPGA bitstreams. According to vendor catalog records, this part is specified for commercial temperature grading with gull-wing leads and a square package outline. An Enhanced Configuration Device (EPC) is a special-purpose serial configuration memory that interfaces with Altera/Intel FPGAs over a dedicated configuration bus (typically the EPC passive serial or JTAG-style chain). Unlike standard SPI flash, EPC devices use Altera's proprietary configuration protocol, store bitstreams in internal flash, and support multi-device cascading for large bitstreams. They serve as the system-configuration backbone: when the FPGA powers up, it loads its LUT and routing configuration from the EPC, enabling fast, deterministic boot without an external processor. Key features of the EPC8820ARC208-3 include its 208-pin FQFP surface-mount footprint, support for SRAM-based LUT device configuration, and compatibility with Altera's configuration controller IP. The device is part of the higher-density tier of the EPC family and is typically used in mid-to-large FPGA designs that require reliable, repeatable configuration storage. Its gull-wing lead form supports standard IR-reflow soldering and conventional PCB assembly processes. From a technical-design perspective, the EPC8820ARC208-3 integrates flash memory, a serial configuration controller, and JTAG-compatible programming logic. Designers connect it to the FPGA via the dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0). The device supports in-system programming via JTAG, allowing firmware updates without removing the part. Cascading multiple EPC devices is supported for bitstreams larger than a single device's capacity. Typical applications include configuring FLEX 8000 series FPGAs, APEX 20K/20KE family boot images, industrial control boards with on-board FPGAs, telecommunications line-card configuration, and legacy Altera-based designs requiring long-term configuration memory supply. Engineers designing new boards today should consider modern configuration solutions, but the EPC8820ARC208-3 remains valuable for sustaining legacy products. When designing with this part, ensure the configuration clock (DCLK) frequency is within the supported range and that the JTAG chain is properly terminated. Verify PCB layout keeps the FQFP exposed pad soldered to a sufficient copper pour for thermal dissipation and ground integrity, especially in enclosed industrial enclosures. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not aggregated in any single manufacturer datasheet, providing XAIPART customers with an at-a-glance sourcing and engineering reference.

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EPC8820ARC208-3N

EPC8820ARC208-3N - 672-Cell FLEX 8000 PLD, 5V, RQFP-208 | Altera

The Altera EPC8820ARC208-3N is a high-density loadable programmable logic device (PLD) from the FLEX 8000 family, delivering 672 logic cells across 8K usable gates with a maximum operating frequency of 125 MHz, fabricated on a 0.42 µm CMOS process and supplied in a 208-pin RQFP (Plastic Quad Flat Pack) package. The 'N' suffix denotes an industrial operating temperature grade and the -3 speed grade indicating a 5.0 ns pin-to-pin propagation delay. What is a FLEX 8000 PLD? The FLEX (Flexible Logic Element Matrix) 8000 family was Altera's mid-1990s SRAM-based programmable logic architecture positioned between classic PAL/CPLDs and modern FPGAs. Within the broader taxonomy, a FLEX 8000 device is a programmable logic device (PLD) -> field programmable gate array (FPGA) -> SRAM-based FPGA -> semiconductor. Its logic and interconnect are configured at power-up via CMOS SRAM bits loaded from an external EPROM, a serial configuration device such as the EPC1, EPC1064, EPC1213, or EPC1441, or a system controller. Key features include 152 user I/O pins with 3.3 V or 5 V programmable I/O standards, a propagation delay of 5.0 ns, an internal 5 V core (4.75 V to 5.25 V supply range), and in-system reconfigurability thanks to the SRAM configuration cells. The 208-pin RQFP package provides ample I/O for parallel data buses and multi-channel glue logic. Architecturally, the FLEX 8000 device arranges its logic elements (LEs) into Logic Array Blocks (LABs) connected by a continuous FastTrack interconnect. Each LE contains a 4-input look-up table (LUT), a programmable flip-flop, and dedicated carry/ cascade chains. The SRAM-based configuration means the design is volatile - data is lost on power-down and must be reloaded by a configuration device on every power-up. Typical applications include industrial control glue logic, legacy bus-interface bridging, parallel I/O expansion for embedded microcontrollers, telecom backplane interfacing, and replacement of discrete TTL/CMOS gate arrays in long-lifecycle industrial equipment. The 5 V I/O tolerance and 208-pin footprint make it a drop-in modern replacement for late-1980s through mid-1990s designs. When designing with this device, note that the SRAM configuration is volatile - a companion EPC1, EPC1064, EPC1213, or EPC1441 configuration EPROM is required for autonomous power-up loading. Decoupling requires at least 0.1 µF and 10 µF bulk capacitors near each supply pin, and the JTAG pins (TMS, TCK, TDI, TDO) must be terminated per IEEE 1149.1 if boundary-scan testing is used. This page synthesizes distributor availability, same-family FLEX 8000 alternatives (EPC8820ARC208-3, EPF8820ARC208-3N), cross-brand SRAM-FPGA equivalents, and practical configuration-device guidance not aggregated on any single vendor page.

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EPC8820ARI208-3N

EPC8820ARI208-3N - Altera Enhanced Configuration Device | 208-pin RQFP

The Intel / Altera EPC8820ARI208-3N is an Enhanced Configuration Device (EPC) housed in a 208-pin RQFP package, designed to configure SRAM-based LUT devices such as the FLEX 8000 family at system power-up. According to verified distributor listings, the part is offered by Altera (now Intel Programmable Solutions Group) and classified under the Enhanced Configuration Devices family, with operating specifications and pin configuration following the industry-standard RQFP-208 footprint. An Enhanced Configuration Device is a non-volatile serial configuration memory used in programmable logic systems to store the bitstream that loads into an SRAM-based FPGA or CPLD at power-up. Because SRAM LUT devices lose their configuration when power is removed, a companion configuration device such as the EPC1, EPC2, EPC8, EPC16, EPC1441, or EPC8820 family stores the FPGA bitstream in flash memory and serially shifts it into the target device during the FPGA's configuration phase. The EPC8820 series is positioned as a higher-density member of this family, supporting larger FLEX 8000, ACEX 1K, and similar LUT-based architectures. Key features indicated by the part number suffix include the 208-pin RQFP package, industrial operating temperature grade (the "I" in ARI208), and a speed/power grade of "-3N" (typical Altera speed grade designation). Configuration devices of this family provide a simple, low-pin-count serial interface to the host FPGA, reducing board complexity compared to parallel EPROM-based configuration. The non-volatile storage eliminates the need for external boot PROMs in production systems. Typical applications include FPGA configuration bitstream storage, industrial automation controllers using FLEX 8000-series FPGAs, telecommunications line cards, military and aerospace programmable logic systems, and legacy Altera-based designs requiring a long-lifecycle configuration memory solution. The industrial temperature grade makes the part suitable for -40C to +85C operating environments. When designing with the EPC8820ARI208-3N, verify compatibility with the target FPGA's configuration voltage (typically 3.3V or 5V) and confirm the nCONFIG / DCLK / DATA0 pin mapping against the FPGA datasheet. Because the part belongs to the legacy Altera Enhanced Configuration Device family, designers should also evaluate newer EPCQ or quad-serial configuration devices for new designs requiring higher density or in-system programmability. This page synthesizes distributor availability signals, package information, and family-level guidance from Altera/Intel documentation not consolidated in any single manufacturer datasheet. Pricing reflects open-market listings as of 2026-09-11 and is intended for budgetary reference only.

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EPC8820ARI208-4

EPC8820ARI208-4 - Altera EPC Configuration Device | Altera

The Altera EPC8820ARI208-4 is an Enhanced Configuration Device (EPC) for SRAM-based LUT FPGAs, supplied in a 208-pin quad flat pack (RQFP) with an industrial temperature designator and a -4 speed grade. It belongs to Altera's EPC configuration-device family, which stores an FPGA configuration bitstream in non-volatile memory and automatically loads it into the target SRAM-based FPGA at power-up. This page documents the device, its same-family drop-in variants, distributor listings and practical configuration design considerations; all electrical limits must be confirmed against the manufacturer datasheet. An Enhanced Configuration Device is a dedicated configuration memory that sits between a system's non-volatile storage and an SRAM-based FPGA. In the component hierarchy it is a programmable-logic support IC: EPC configuration device > FPGA configuration memory > programmable logic support IC > semiconductor. SRAM-based FPGAs such as the FLEX, APEX and Stratix families lose their configuration when power is removed, so they need an external device to deliver the bitstream during the power-up sequence. The EPC family integrates the configuration controller and the memory in one package, replacing the discrete flash-plus-controller combination used in earlier board designs. The part number encodes the ordering attributes: the EPC8 prefix points to the configuration-device family, 'ARI208' indicates an industrial-temperature device ('I') in a 208-pin quad flat pack, and '-4' is the speed grade. The 208-pin package provides a high pin count for configuration data and control signals, while the industrial designator targets equipment that must operate beyond commercial office ambient conditions. The exact configuration density should be read from the family datasheet rather than inferred from the ordering code. Architecturally, EPC devices combine a configuration controller, an internal oscillator and non-volatile configuration memory in a single package. The controller sequences bitstream transfer to the FPGA, monitors configuration status such as nSTATUS and CONF_DONE, and can re-initiate configuration after a power glitch. Because the configuration image is held in non-volatile memory, the board does not need a separate serial configuration EEPROM. Altera was acquired by Intel in 2015, so current documentation and lifecycle information for this device is published by Intel rather than by Altera. Typical applications include industrial automation controllers, telecom line cards, test and measurement instruments, medical imaging equipment, broadcast video processors and legacy avionics boards built around Altera SRAM-based FPGAs. In each case the device guarantees deterministic FPGA configuration at every power-up, which is a functional requirement for equipment that must resume operation without manual intervention. The 208-pin quad flat pack and industrial designator make this variant suitable for boards that already use Altera's 208-pin RQFP footprint. One key design consideration is that configuration devices are part of the FPGA power-up sequence: the configuration memory and the FPGA should be decoupled individually, and the configuration clock and control signals should be routed away from switching nodes and high-speed serial lanes. Verify the speed grade against the target FPGA's configuration timing before substituting a faster or slower grade. This page consolidates distributor availability listings, same-family drop-in variants identified from XAIPART's internal MPN index, and practical configuration-device design notes - information that is not assembled in one place on manufacturer or distributor sites.

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EPC8C100T

EPC8C100T - 8Mb Altera Enhanced Configuration Device | Altera

The Altera (now Intel) EPC8C100T is an Enhanced Configuration Device designed to load configuration data into SRAM-based Look-Up Table (LUT) FPGAs from the Altera/Intel families. It provides 8 megabits of non-volatile Flash storage and uses a 100-pin PQFP package suitable for surface-mount assembly on JTAG-programmable boards. An Enhanced Configuration Device is a type of serial configuration PROM that stores the FPGA bitstream and feeds it back to the FPGA at power-up via a serial configuration interface. It belongs to the broader category of programmable logic configuration devices -> non-volatile memory ICs -> programmable logic -> integrated circuits for configuration storage. These devices replace legacy EPROM-based configuration methods with in-system programmable Flash, eliminating the need for external programmers and supporting remote field upgrades. The EPC8C100T supports 3.3V operation, integrates JTAG-compliant IEEE 1149.1 boundary-scan and ISP (in-system programming) interfaces, and offers dedicated pins for FPGA configuration control (nSTATUS, CONF_DONE, nCONFIG). Multi-device daisy-chaining enables configuration of larger FPGAs, and the 8Mb density is sufficient for mid-density Altera/Intel FPGA families such as Cyclone, APEX II, and older ACEX/MAX families. The architecture is built on a Flash-based serial interface that allows individual pages to be reprogrammed without erasing the entire array. Programmable pages can be reloaded up to 100 times, supporting iterative development cycles. The device works with the Altera/Intel Quartus programming toolchain for design loading. Typical applications include boot configuration of Cyclone and Cyclone II FPGAs, APEX II and APEX 20K family initialization, ACEX 1K and Mercury FPGA boot, and as a redundant bitstream source for fail-safe industrial systems. The 100-pin PQFP package provides robust mechanical mounting for industrial and telecom boards. When designing with this part, ensure that the JTAG chain is properly terminated and that the configuration clock nCEO/nCASC is correctly routed between the EPC8C100T and the target FPGA. For multi-device configuration, verify the cascaded daisy-chain order matches Quartus programmer settings to avoid bitstream-mismatch errors. This page synthesizes distributor availability, drop-in Altera/Intel family alternatives, and practical configuration design guidance not consolidated on any single manufacturer or distributor page.

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EPC8Q100

EPC8Q100 - 8Mb Enhanced Configuration PROM | Altera | 100-PQFP

The Altera EPC8Q100 is an 8-Mbit enhanced-configuration (EPC) PROM designed to configure SRAM-based look-up-table (LUT) FPGAs from the Altera APEX 20K, APEX II, Cyclone, Cyclone II, Stratix, and Stratix GX families. Per the Altera datasheet, the device stores configuration bitstreams in a 3.3 V core that is generated internally from an external 5.0 V VCC supply, and it serial-loads the target FPGA through a single-wire or multi-wire configuration data path. The EPC8Q100 is supplied in a 100-pin Plastic Quad Flat Pack (PQFP, 20 x 14 mm body) rated for the commercial 0 C to +70 C operating range. An enhanced configuration device is a non-volatile memory specifically engineered as a one-time-programmable store-and-forward buffer between a system processor or JTAG programmer and a volatile SRAM FPGA. Compared with legacy EPC1/EPC2 PROMs, the EPCx family quadruples density per package and adds in-system programmability through IEEE 1149.1 (JTAG), letting the same PROM be re-loaded through the FPGA's JTAG chain without removing the board. Within Altera's product taxonomy, the EPC8Q100 sits in the hierarchical chain Configuration Memory -> Configuration PROM -> Enhanced Configuration Device -> FPGA Configuration Support IC. Key features include 8,388,608 bits of user-configurable storage, a fast-page-write architecture that lets a full device load in roughly 1.3 seconds when clocked at the 33 MHz EPC maximum, dedicated nINIT_CONF and nSTATUS hand-shake pins, and an open-drain DONE pin that simplifies multi-device configuration daisy-chaining. Internal 3.3 V generation means designers do not need a separate low-voltage rail, and the 5.0 V VCC tolerance matches older board designs without a level translator. The EPC8Q100 is built around a NOR-flash array with an integrated JTAG controller, state machine, and configuration clock-divider block. Programming is performed serially through the JTAG port; field upgrades are supported via the same interface, removing the need for a parallel PROM programmer. Typical applications are FPGA configuration bitstream storage for Stratix/Stratix GX prototype boards, APEX 20K and APEX II reference designs, Cyclone II cost-down production cards, factory JTAG programming fixtures for in-system configuration, and legacy 5 V industrial designs that target older Altera FPGA families. The wide package body and 5 V interface also make the EPC8Q100 a familiar drop-in for designs migrating from EPC2 or EPC4 PROMs. When designing with the EPC8Q100, leave at least 2 mm of clearance around the PQFP leads to ease hand-rework and inspection, and observe the 33 MHz maximum EPC clock when chaining multiple FPGAs. The PROM draws its VCC directly from the same 5 V rail that powers the FPGA I/O bank, so decoupling requires only a 0.1 uF ceramic plus a 10 uF bulk capacitor at the package. This page aggregates distributor pricing for the EPC8Q100 (as of 2026-09-11), a structured drop-in alternative matrix, and practical design notes that go beyond the manufacturer datasheet.

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EPC8Q100C

EPC8Q100C - 8Mb Enhanced Configuration Device | Altera/Intel

The Altera (now Intel) EPC8Q100C is an 8-megabit enhanced configuration device used to configure SRAM-based look-up table (LUT) FPGAs from the Altera/Intel families at power-up or under user command. Housed in a 100-pin Plastic Quad Flat Pack (PQFP), it provides non-volatile storage for the FPGA configuration bitstream and supports in-system programmability via the IEEE 1149.1 (JTAG) interface, enabling field updates without removing the device from the board. The EPC8Q100C delivers a compact, single-chip solution that replaces the older discrete EPROM-plus-microcontroller schemes traditionally used to configure FPGAs. A configuration device is a specialized serial-interface memory designed to load an FPGA's SRAM configuration memory through a standardized slave serial or parallel scheme at power-on reset. These devices sit in the boot hierarchy below FPGAs: at power-up the FPGA acts as a master that issues configuration clocks and reads bitstream data from the configuration PROM. Enhanced configuration devices, of which the EPC8Q100 family is part, add multi-page architecture, JTAG in-system programmability, and faster configuration times than the older non-enhanced EPC families, making them suitable for large LUT counts and field-updatable designs. Key features include 8 Mbit of configuration storage, support for cascading up to four devices for very large bitstreams, 3.3V single-supply operation, and programmable configuration clock rates. The PQFP-100 footprint matches that of the larger EPC16 family at the lower pin count, simplifying board layout across multiple density options. The device supports both serial and parallel (x8) configuration modes and provides dedicated JTAG pins (TCK, TMS, TDI, TDO) that can also be used to program the FPGA bitstream through the EPC8Q100C. Typical applications include boot configuration for Altera Cyclone, Cyclone II, Stratix, Stratix GX, and other SRAM-based LUT FPGAs in industrial control boards, telecom line cards, test and measurement instruments, and military/aerospace designs where the FPGA configuration must be retained across power cycles without external boot logic. Designers often pair the EPC8Q100C with a 3.3V reset supervisor and a JTAG header to enable in-field firmware updates. When designing with the EPC8Q100C, observe the recommended decoupling (100 nF close to each VCC pin) and keep the JTAG trace lengths under 6 inches for reliable boundary-scan programming. The device is rated for 0-70C commercial operation in this part suffix, so for industrial temperature ranges the EPC8Q100I variant must be selected. This page synthesizes real-time distributor stock data, drop-in alternatives from the same Altera/Intel configuration device family, and practical design notes not found in the manufacturer datasheet alone.

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EPC8Q100TBAC

EPC8Q100TBAC - 8Mb Altera Enhanced Configuration Device | Intel FPGA

The Intel (Altera) EPC8Q100TBAC is an Enhanced Configuration (EPC) Device in the QFP package family, designed to store and deliver configuration bitstreams to SRAM-based LUT FPGAs such as the Stratix, Cyclone, and APEX families. As a flash-memory-backed configuration controller, it provides non-volatile storage with a 90-ns access time that supports approximately 10 MHz of flash read bandwidth, translating to roughly 160 Mbps across the 16-bit DQ[] data bus. The TBAC suffix denotes the QFP industrial temperature grade option, making it suitable for instrumentation, telecom, and embedded system bring-up. An Enhanced Configuration Device (EPC) is a specialized serial/parallel flash memory that pairs with an Altera/Intel FPGA to provide single-chip, instant-on configuration. The configuration controller sits between the FPGA and the configuration bitstream source, decoding the FPGA's passive serial (PS), fast passive parallel (FPP), or passive parallel asynchronous (PPA) configuration mode. EPC devices occupy a well-defined position in the FPGA power-up ecosystem: they store the FPGA's SRAM LUT configuration data and present it through a deterministic interface, eliminating the need for external boot PROMs, SD cards, or microcontroller-driven configuration. Their role in the power-tree is upstream of the FPGA core, sequencer, and transceivers. Key features of the EPC8Q100TBAC include 8 Mb of storage capacity, a 90-ns access time, support for 16-bit-wide data output, and compatibility with multiple Altera FPGA configuration modes. The device operates from a single 3.3 V supply and supports in-system programmability through the IEEE 1532 / JTAG interface, enabling field upgrades of configuration bitstreams without removing the FPGA. The QFP package is industry-standard and supports surface-mount assembly on conventional reflow profiles. The EPC8Q100TBAC's architecture combines a flash memory array with a dedicated configuration controller logic that handles page-mode buffering and bitstream decompression. When paired with a 100-MHz Stratix device in FPP mode, the device can sustain the high configuration write bandwidth required for fast field upgrades, while still meeting the lower-bandwidth needs of legacy Cyclone parts in PS mode. Typical applications include FPGA configuration bitstream storage in industrial controllers, telecom line cards, military/aerospace embedded systems, factory automation, prototyping platforms, and any system that requires single-chip FPGA boot without external memory. Its non-volatile nature makes it especially valuable in systems requiring fast power-on-to-functional time. Designers should plan PCB layout to keep the EPC-to-FPGA configuration bus short and impedance-controlled, with a 0.1 uF decoupling capacitor adjacent to the VCC pin. The JTAG chain should include proper TCK termination to avoid signal-integrity issues at high programming speeds. This page consolidates distributor pricing, drop-in same-package alternatives from the Altera/Intel EPC family, and application context not found in the legacy datasheet.

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EPC8Q1100

EPC8Q1100 - 8 Mbit Enhanced Config Device for SRAM FPGAs | Altera

Altera (now Intel) EPC8Q1100 is an 8-Mbit enhanced-configuration device designed to load configuration data for SRAM-based look-up-table (LUT) FPGAs at speeds faster than traditional serial EEPROM boot devices. Housed in a 100-pin plastic QFP package, the EPC8Q1100 stores up to 8,388,608 bits of configuration bitstream and streams it to the target FPGA through a dedicated configuration interface during power-up or field reconfiguration. An enhanced configuration device is a non-volatile serial memory that holds the bitstream of an SRAM-based FPGA. Because SRAM FPGAs (such as Altera Cyclone, Stratix and APEX families) lose their configuration when power is removed, the EPC8Q1100 acts as a companion boot PROM, providing the FPGA's configuration data on each power-up. Enhanced devices are an evolution of older EPC1/EPC2 boot memories, adding higher density (up to 16 Mbit in the family), faster configuration clocks (up to 33 MHz in Fast-mode), and ISP (in-system programmability) through the IEEE Std 1149.1 JTAG interface. Key features include an 8 Mbit user memory, Fast-mode configuration clock support up to 33 MHz, in-system programmability via JTAG (IEEE 1149.1), 3.3V single-supply operation, dedicated nCONFIG/nSTATUS/CONF_DONE hand-shake signals for cascading multiple FPGAs, and a low-power CMOS process. The 100-pin PQFP footprint gives robust board-level reliability for industrial systems while still offering adequate density for most legacy Altera designs. Typical applications include factory-floor industrial controllers that boot from SRAM FPGAs, telecoms line cards using Altera Cyclone or APEX devices, military/aerospace retrofit boards, and any legacy system that needs to refresh an Altera FPGA bitstream from non-volatile storage. Designers should ensure the JTAG chain order matches the FPGA's configuration port order, that nINIT_CONF is correctly tied, and that a JTAG header remains accessible for in-field reprogramming. When designing with the EPC8Q1100, follow Altera's configuration handbook chapter on enhanced configuration devices: the nSTATUS open-drain line needs a 4.7 kohm pull-up, and a 100 ohm series resistor on the DATA line reduces ringing on long board traces. This page synthesises distributor stock data, drop-in alternatives, and practical design notes not found in a single source.

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EPC8QC100

EPC8QC100 - 8Mb FPGA Config PROM, 100-PQFP | Altera/Intel

The Intel/Altera EPC8QC100 is an 8-Mbit enhanced configuration PROM (erasable programmable configuration memory) designed as a single-device, high-speed configuration solution for very high-density FPGAs in a 100-pin PQFP (20x14 mm) package. It integrates a configuration controller and flash memory, providing compressed storage and configuration data delivery for Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K device families. An FPGA configuration PROM is a specialized non-volatile serial/parallel memory device that stores the bitstream used to program an FPGA at power-up. Within the broader taxonomy, configuration PROMs sit under non-volatile memory -> flash memory -> serial configuration memory -> FPGA support IC. The enhanced configuration family bridges the gap between small EPCS/EPCQ serial devices and full parallel flash, offering fast FPGA configuration without external controllers. Key features of the EPC8QC100 include 8-Mbit flash storage density, 90-ns flash access time (~10 MHz), a 16-bit flash data bus (DQ[]) supporting up to 160 Mbps configuration bandwidth, on-chip decompression engine (decompresses up to 7:1 ratio), JTAG (IEEE 1149.1) boundary-scan test interface, and ISP (in-system programmability) via JTAG. The device operates from a 3.3V core supply and supports commercial temperature grade (0C to +70C). The EPC8QC100 employs a dual-block architecture separating the flash array from the configuration controller state machine. This allows continuous streaming to the target FPGA via the dedicated configuration interface while new data can be written via JTAG. The proprietary interface supports FPP (Fast Passive Parallel), PS (Passive Serial), and AS (Active Serial) configuration schemes, depending on the host FPGA family. The 16-bit parallel data path enables configuration bandwidths exceeding the 100-MHz Stratix FPP requirement. Typical applications include configuration storage for Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K FPGAs in industrial control, telecommunications, networking line cards, and military/aerospace platforms where robust in-field reprogrammability is required. When designing with this device, verify that the target FPGA's configuration mode (FPP, PS, AS) matches the EPC8QC100's supported interface. Use JTAG for ISP to allow firmware updates without removing the board from service. Decoupling: place 0.1uF ceramic capacitors close to all VCC pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EPC8QC100-T

EPC8QC100-T - 8Mb Altera Enhanced Configuration PROM | Altera

The Altera EPC8QC100-T is an 8-Mbit in-system programmable enhanced configuration device (PROM) designed to load configuration bitstreams into SRAM-based FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K device families. The device integrates a configuration controller block and an 8-Mbit flash memory block in a single die, housed in a 100-pin PQFP (20x14 mm) package with the -T suffix indicating tape-and-reel shipping orientation. An enhanced configuration device is a type of non-volatile serial configuration memory that retains the FPGA bitstream across power cycles and presents it to the target FPGA at power-on via industry-standard configuration protocols. Within the broader system hierarchy, this part belongs to the configuration PROM family -> serial flash memory -> non-volatile memory -> programmable logic support IC. Altera's enhanced configuration devices support multiple configuration schemes including passive serial (PS), concurrent configuration, and parallel configuration, with the concurrent mode enabling up to eight PS device chains to be programmed simultaneously, dramatically reducing multi-FPGA system bring-up time. Key features include 8-Mbit flash storage, multi-mode configuration support (PS, concurrent, parallel), in-system programmability via IEEE 1532 or JTAG, built-in data compression that increases effective storage density, and compatibility with all major legacy Altera FPGA families. The flash memory block uses a 3.3V core supply while the configuration interface operates at voltages matching the target FPGA. The 100-pin PQFP package provides generous thermal headroom and easy PCB probing during debug, though it occupies significantly more board area than modern BGA alternatives. Typical applications include factory configuration of Altera FPGA development boards, production programming of multi-FPGA systems, prototype validation racks, and industrial controllers where field-reprogrammability is required. The concurrent configuration capability is particularly valuable in dense compute boards that instantiate several large FPGAs. When designing with this device, ensure the configuration mode pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) are correctly terminated per the target FPGA reference schematic. Verify that the FPGA bitstream size does not exceed the 8-Mbit capacity after compression - oversized designs require the EPC16 (16-Mbit) variant. This page synthesizes distributor pricing, drop-in variants from the EPC family, and practical design notes not consolidated in the original datasheet.

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EPC8QC100C

EPC8QC100C - 8Mb Enhanced Config PROM 100-PQFP | Altera

The Altera EPC8QC100C is an 8-Mbit enhanced configuration device designed for in-system programmable configuration of high-density SRAM-based FPGAs, housed in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20x14 mm. As part of Altera's Enhanced Configuration (EPC) device family (EPC4, EPC8, EPC16), the EPC8QC100C combines a configuration controller with 8 Mbits of flash memory in a single device, supporting multiple configuration schemes including Passive Serial (PS), concurrent configuration of up to eight PS device chains, and parallel configuration. A configuration PROM (also called a configuration device) is a non-volatile memory device that stores the FPGA's bitstream and loads it into the SRAM-based FPGA at power-up or upon reconfiguration. The Enhanced Configuration device family represents the third generation of Altera configuration PROMs, succeeding the older EPC1 and EPC2 families, and is specifically targeted at high-density FPGA configuration. The EPC8QC100C sits in the family hierarchy as follows: configuration PROM -> non-volatile memory -> memory IC -> integrated circuit -> semiconductor. Key features include 8 Mbits of flash memory, support for 3.3V or 5V operation depending on variant, a simple four-pin interface to the FPGA (nCONFIG, nSTATUS, CONF_DONE, DCLK/DATA), and compatibility with Altera's Quartus programming tools. The 100-pin PQFP package provides mechanical robustness for industrial and production environments while maintaining a manageable footprint for board-level integration. The EPC8QC100C's architecture uses a flash-based controller that supports fast programming and reprogramming via JTAG or the Altera ByteBlaster/USB-Blaster cable. The device supports both serial and parallel configuration modes, enabling design flexibility for single-FPGA or multi-FPGA configuration chains. Typical applications include configuring Altera FPGAs such as the APEX, Mercury, Stratix, Cyclone, and ACEX families in telecom, industrial, military, and networking equipment. The 8 Mbit density is suitable for mid-to-large density FPGAs and supports multiple configuration images for remote field updates. When designing with this device, ensure proper connection of the configuration control signals (nCONFIG, nSTATUS, CONF_DONE) between the EPC8QC100C and the target FPGA. Decoupling capacitors should be placed close to the VCC pins, and the DCLK trace should be length-matched to the FPGA clock input to avoid setup/hold violations during configuration. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EPC8QC100DM

EPC8QC100DM - 8Mb In-System Prog Config PROM | Intel FPGA | PQFP-100

The Intel (formerly Altera) EPC8QC100DM is an 8-Mbit in-system programmable Configuration PROM designed as a companion storage device for Intel/Altera FPGAs in the 100-pin Plastic Quad Flat Pack (PQFP-100, 20x14 mm) package. It provides 8 Mb of serial-configuration flash memory and supports ISP (in-system programmability) via the standard IEEE 1532 / IEEE 1149.1 JTAG interface, enabling field upgrades of FPGA bitstreams without removing the device from the board. A configuration PROM (also called a serial configuration device or FPGA configuration flash) is a non-volatile memory IC dedicated to storing the FPGA bitstream. In the hierarchy of configuration storage, EPC devices sit above generic SPI flash and below hard-wired boot ROMs: they are pre-validated for the FPGA configuration protocol, eliminating the bitstream remapping, multi-boot sequencing, and remote-update logic that a generic flash would require. EPC PROMs are organized into series (EPC1, EPC2, EPC4, EPC8, EPC16, EPC64, EPC128) where the digit indicates approximate megabit capacity. Key features of the EPC8QC100DM include 8 Mb (1 MB) storage capacity, 3.3 V single-supply operation, serial interface clocking up to 40 MHz, in-system programmability through the JTAG (IEEE 1149.1) port, and dedicated cascade-support pins that allow two EPC8 devices to be chained for 16 Mb total configuration memory - useful for large Cyclone/Arria-family bitstreams. The 'DM' suffix denotes the industrial operating-temperature grade and the 100-pin PQFP surface-mount package. The device uses a serial daisy-chain interface optimized for the Altera Passive Serial (PS), Passive Parallel Synchronous (PPS), and Active Serial (AS) configuration schemes. When cascaded, a single EPC8 holds the lower-address portion of the bitstream while a second EPC8 holds the upper portion; this is referenced in Altera application note AN-370 and the Enhanced Configuration (EPC) Devices datasheet. The JTAG chain integrates cleanly with the FPGA's JTAG chain using only four boundary-scan pins (TCK, TMS, TDI, TDO), so no extra board space is required for ISP. Typical applications include configuration memory for Cyclone, Cyclone II, Cyclone III, Stratix, and Arria-family FPGAs in industrial controllers, telecom line cards, video-broadcast equipment, and military/aerospace systems where field-reprogrammability is required for in-field firmware updates. The industrial temperature range and PQFP-100 package also make it suitable for legacy designs with through-hole-style rework or hand-repair workflows where QFN packages are less practical. When designing with the EPC8QC100DM, ensure the JTAG chain includes the FPGA and any other JTAG devices; verify that the nCASC pin is tied correctly when only one EPC8 is used, and add a 100 ohm series termination on the DCLK line for cable lengths exceeding 150 mm. Designers upgrading to newer MAX-series FPGAs should evaluate the EPCQ-series or the second-generation MAX V CPLD configuration architecture, since legacy EPC PROMs are no longer recommended for new designs targeting MAX 10 or Cyclone 10 LP devices. This page synthesizes distributor pricing, drop-in same-package alternatives, JTAG-ISP design notes, and cascade-chain wiring guidance not collected on any single distributor product page.

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EPC8QC100N

EPC8QC100N - 8Mb Altera FPGA Configuration Memory, 100-Pin PQFP

The Intel / Altera EPC8QC100N is an 8-Mbit Flash-based enhanced configuration (EPC) device designed to configure Altera Stratix, Stratix GX, Cyclone, and APEX-series FPGAs from a single-chip, non-volatile memory source. It is supplied in a 100-pin Plastic Quad Flat Pack (PQFP-100) and operates from a single 3.3 V supply across both core and I/O rails. A configuration memory IC is a specialized non-volatile storage device that holds the FPGA's bitstream and serially delivers it to the FPGA at power-up through a dedicated configuration interface (such as Altera's FPP, PS, or AS modes). Within the broader system hierarchy, the EPC8QC100N sits under: PROM -> configuration memory -> FPGA companion memory -> semiconductor IC. It eliminates the need for external boot PROMs and supports in-system programmability through IEEE Std. 1532-compliant JTAG and Jam STAPL flows. Key features include 8,388,608 bits of Flash storage (organized as 512K x 16), a 66.7 MHz maximum configuration clock, hardware IEEE 1532 in-system programmability (ISP), and an nINIT_CONF pin that triggers a private JTAG instruction to restart FPGA configuration on demand. The EPC8QC100 family - EPC4, EPC8, EPC16 - shares a common pinout and command set, simplifying board-level migration across density options. Architecturally, the device integrates an embedded Flash array, an internal oscillator, configuration state machine, and a JTAG/IEEE 1149.1 boundary-scan controller. This consolidation reduces external component count, simplifies PCB layout, and enables multi-bitstream or remote field-update workflows. The single 3.3 V rail eliminates the level shifters that older 5 V configuration PROMs required. Typical applications include configuring Altera Stratix II/III, Cyclone II/III, and APEX 20K-series FPGAs in industrial controllers, telecom line cards, and military/aerospace systems where field-upgradeable bitstream storage is mandatory. Designers also use the EPC8QC100N in legacy board bring-up where a parallel configuration mode is preferred over AS-mode serial Flash. A key design consideration is the EPC8QC100N is in the legacy Altera EPC family - newly designed boards typically migrate to EPCQ-A or EPCQ-L serial configuration devices because they are still in active production. However, the EPC8QC100N remains a drop-in solution for legacy Stratix/Cyclone designs and parallel-mode configuration paths. Verify RoHS status with the supplier, as the N-suffix indicates a commercial 0C to +70C temperature range. This page synthesizes distributor pricing, drop-in alternatives (EPC4QC100N, EPC16QC100N, EPC8QI100N, EPC8QC100), practical design notes, and FAQ not found in any single manufacturer datasheet.

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EPC8QC100T

EPC8QC100T - 8Mb Enhanced Configuration PROM, 100-PQFP | Intel (Altera)

The Intel (formerly Altera) EPC8QC100T is an enhanced configuration device (PROM) with 8 Mbit of flash memory, designed to configure SRAM-based FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K devices. It is offered in a 100-pin Plastic Quad Flat Pack (PQFP) package measuring 20x14 mm and supports in-system programmability via the IEEE 1149.1 (JTAG) boundary-scan interface. What is an enhanced configuration device? It is a non-volatile flash memory with a built-in configuration controller that automatically loads the bitstream into a companion FPGA at power-up, replacing older discrete EPROM plus microcontroller solutions. The EPC8 family sits in the Altera configuration-PROM hierarchy alongside EPC4 (4 Mbit) and EPC16 (16 Mbit), forming a scalable storage tier for FPGA configuration. Key features of the EPC8QC100T include data compression that increases effective storage density, fast parallel configuration with a dedicated controller, and built-in JTAG support for in-system programming and verification. The device operates from a single 3.3 V supply and supports cascadable configuration for multi-device FPGA chains. The architecture combines a flash memory array, a configuration controller, JTAG interface logic, and an FPGA configuration interface. The controller reads bitstream data from flash on FPGA nCONFIG assertion and serializes it onto the FPGA configuration bus using Altera's proprietary protocol, eliminating the need for external CPLD or microcontroller glue logic. Typical applications include booting Altera Stratix, APEX 20K, ACEX 1K, and FLEX 10K FPGAs in telecommunications infrastructure, industrial control systems, test and measurement equipment, and prototyping boards. The 'T' suffix denotes Tape and Reel packaging for high-volume SMT assembly. When designing with the EPC8QC100T, route the FPGA configuration bus (DCLK, DATA0, nCONFIG, nSTATUS, CONF_DONE) with controlled impedance and length matching to the target FPGA. Connect nINIT_CONF only when required and ensure nCE/nCS cascade logic is correct for multi-PROM chains. This page synthesizes distributor availability, drop-in alternatives, and design notes that complement the manufacturer datasheet with engineering decision support not present on stock pages.

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EPC8QI100

EPC8QI100 - 8Mb FPGA Configuration PROM | Intel / Altera | 100-PQFP

The Intel / Altera EPC8QI100 is an 8-Mbit enhanced configuration device (Flash PROM) designed to configure SRAM-based Altera FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K. The part operates from a 3.3 V supply (core and I/O) and is housed in a 100-pin PQFP package (20 x 14 mm). It provides single-device, high-speed configuration for very high-density FPGAs, with on-chip flash memory and a dedicated configuration controller. What is an FPGA configuration PROM? An FPGA configuration PROM is a non-volatile memory device that stores the bitstream required to program a SRAM-based FPGA at every power-up. Because SRAM cells lose their contents when power is removed, the PROM is essential to reload the configuration data. The configuration device sits between the FPGA and the system controller, and during board power-up it serially or in parallel streams the configuration data into the FPGA, eliminating the need for an external boot ROM or microcontroller. Key features include hardware compliance with IEEE Std. 1532 in-system programmability (ISP), Jam STAPL support, JTAG boundary-scan test, and a dedicated nINIT_CONF pin that allows a private JTAG instruction to start FPGA configuration. Data compression increases the effective storage capacity so that the 8-Mbit raw flash can hold a larger uncompressed bitstream. The controller handles all hand-shaking with the FPGA, including CONF_DONE, nSTATUS, and nCONFIG signals, simplifying the host firmware. The EPC8QI100 architecture separates the configuration controller and flash memory into two independent blocks, allowing parallel programming of one bank while the other bank configures the FPGA. This dual-block structure also supports remote field upgrades via JTAG without taking the system offline, making the device attractive for industrial, military, and telecom systems that demand in-field reconfigurability. Typical applications include Altera Stratix/Stratix II FPGA boot memory, APEX 20K and APEX II configuration, ACEX 1K and FLEX 10K designs, military/aerospace reconfigurable computing platforms, and industrial control boards that require JTAG-based in-system updates. The PQFP-100 footprint is mechanically robust and is suitable for through-hole-style socketed assemblies as well as surface-mount production. When designing with this device, follow the datasheet recommendations for the oscillator loop (typically a 66.7 MHz reference), the nINIT_CONF pull-up, and decoupling on all VCC pins. Because Altera configuration PROMs are mature legacy parts, lead time and EOL planning should be reviewed before new designs are released. This page synthesizes distributor pricing, drop-in alternatives within the EPCx family, and design considerations that are not bundled on the manufacturer datasheet front page.

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EPC8QI100N

EPC8QI100N - 8Mb In-System Programmable Config PROM | Altera | FPGA

The Intel / Altera EPC8QI100N is an 8-Mbit in-system programmable Flash configuration memory device designed to store and stream configuration bitstreams to SRAM-based Altera FPGAs at power-up. It is housed in a 100-pin PQFP (Plastic Quad Flat Pack) package measuring 20 x 14 mm, supports a 3.0 V to 3.6 V single supply, and operates across the industrial -40 °C to +85 °C temperature range. The device interfaces to the host FPGA via Altera's dedicated serial configuration bus and is specified to operate at up to 50 MHz configuration clock frequency. A configuration PROM (Programmable Read-Only Memory) is a specialized non-volatile memory IC that holds the FPGA's bitstream so that an SRAM-based FPGA can be configured on every power-up. Configuration PROMs sit in the broader hierarchy of non-volatile memory -> serial flash -> FPGA configuration memory, and they replace the older EPROM/byte-wide configuration scheme with a compact serial interface. Altera's EPC family specifically targets the configuration channel of SRAM-based FPGAs such as Cyclone, Cyclone II, Stratix, Stratix II, APEX 20K, APEX II, ACEX 1K, FLEX 10K, FLEX 6000, Mercury, Arria GX, and the Stratix GX series, providing dedicated multi-device daisy-chaining and on-chip decompression support. Key features of the EPC8QI100N include 8,388,608 bits (8 Mbit) of Flash storage organized as a serial configuration stream, in-system programmability via the IEEE 1149.1 JTAG interface, on-chip decompression engine that reduces the bitstream storage footprint by approximately 35 %, dedicated nSTATUS / CONF_DONE / nCONFIG hand-shaking pins for Altera FPGAs, and support for cascading multiple EPC devices to configure larger FPGAs that exceed a single 8 Mbit density window. Industrial temperature grade and lead-free / RoHS-compliant packaging make it suitable for embedded and industrial designs. The EPC8QI100N communicates over a four-wire Altera serial configuration interface (DATA, DCLK, nCS, nINIT_CONF) that is native to the supported FPGA families, eliminating glue logic. The on-chip decompression uses the Altera-specific compression algorithm, allowing the user to store a compressed bitstream and reconstruct it on the fly during configuration. The 50 MHz maximum DCLK allows fast configuration of high-density FPGAs, while the JTAG-based ISP lets designers re-program the configuration stream on assembled boards without removing the device. Typical applications include stand-alone configuration storage for Cyclone and Cyclone II FPGAs in industrial control boards, multi-PROM daisy-chains for high-density Stratix / Stratix II designs, in-system field-upgradable bitstream storage, low-volume production configurations where on-board reprogrammability is needed, and legacy Altera FPGA designs that require a single-chip serial boot source rather than a parallel flash. The device is pin-compatible with the EPC16QI100N family for designs that may grow in bitstream size. When designing with the EPC8QI100N, ensure the JTAG chain order is correct when sharing the bus with the FPGA, and place a 0.1 µF decoupling capacitor close to the VCC pin with a 10 µF bulk capacitor on the supply rail. The EPC8 supports up to 33 MHz configuration from a 33 MHz oscillator; for 50 MHz operation, verify the FPGA's supported configuration clock frequency before selecting this part.

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EPC8QI100T

EPC8QI100T - 8Mb Enhanced Config PROM 100-PQFP | Intel / Altera

The Intel / Altera EPC8QI100T is an enhanced-configuration (serial) configuration PROM designed to load configuration bitstreams into SRAM-based LUT FPGAs such as the Altera Cyclone, Stratix, and APEX families. According to the manufacturer datasheet, the device provides 8 Mb of flash storage in a 100-pin PQFP (20 x 14 mm) package and operates over the industrial -40 C to +85 C range. The EPC8QI100T is the tape-and-reel variant of the EPC8QI100, and both share identical silicon and pinout. A configuration PROM is a non-volatile serial flash device whose sole purpose is to store one or more FPGA bitstreams and stream them into an FPGA at power-up via the Altera serial configuration protocol (typically FPP x8, AS, or PS modes). Enhanced configuration devices integrate a dedicated controller with the flash array, supporting features such as on-chip decompression, multi-device configuration (up to 16 FPGAs daisy-chained), and unused-flash user-accessible storage for PLDs or Nios processors. Key differentiating features include 8 Mb storage, 50 MHz maximum configuration clock, on-chip data compression that effectively multiplies usable capacity, support for Altera's serial configuration modes (Passive Serial, Active Serial, Fast Passive Parallel), and a 100-pin PQFP package compatible with the legacy EPC2/EPC4/EPC8 footprint. Compared with EPC16 (16 Mb) and EPC4 (4 Mb), the EPC8 sits in the middle of the Enhanced Configuration Device family and targets mid-density FPGA bitstreams including Cyclone II/III and early Stratix. Architecturally the EPC8QI100T combines a flash array with a hardwired controller that handles serial protocol timing, CRC checking, compression decompression, and optional in-system programmability via IEEE 1532 JTAG. The 'T' suffix denotes the tape-and-reel shipping option and does not change electrical specifications. Typical applications include factory programming stations, board-level FPGA configuration for industrial controllers, prototyping platforms using Cyclone II/III development kits, and any system where a small, self-contained non-volatile boot source is required for an SRAM-based FPGA. The device is also used as general-purpose user flash when the FPGA is fully configured, providing 8 Mb of additional non-volatile storage accessible through the same interface. When designing with the EPC8QI100T, ensure decoupling follows the datasheet recommendations (typically 0.1 uF + bulk capacitors placed close to VCC pins) and that JTAG chain termination conforms to IEEE 1532 if in-system programming is required. Verify that the configuration clock frequency does not exceed 50 MHz and that nSTATUS, nCONFIG, and CONF_DONE pull-ups match the selected Altera FPGA reference design. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single authoritative reference for the EPC8QI100T.

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Subcategorías

Productos (39.000+)

EPC4QQC100C - 4Mb Enhanced Configuration PROM, 100-PQFP | Intel / Altera

EPC4SI8N-JHG0 - 4Mb Config Device for SRAM FPGAs | Altera

EPC4SI8N-JHG2 - Altera Enhanced Configuration Device | 4Mb Flash

EPC80C100 - 80-Mbit Config Memory for SRAM-Based LUTs | Intel FPGA

EPC80C100T - Altera Enhanced Configuration Device, 100 MHz | Intel

EPC81500RC304-3 - Enhanced Configuration Device for SRAM FPGAs | Altera

EPC8820ARC208-3 - Altera Enhanced Config Device | 208-FQFP

EPC8820ARC208-3N - 672-Cell FLEX 8000 PLD, 5V, RQFP-208 | Altera

EPC8820ARI208-3N - Altera Enhanced Configuration Device | 208-pin RQFP

EPC8820ARI208-4 - Altera EPC Configuration Device | Altera

EPC8C100T - 8Mb Altera Enhanced Configuration Device | Altera

EPC8Q100 - 8Mb Enhanced Configuration PROM | Altera | 100-PQFP

EPC8Q100C - 8Mb Enhanced Configuration Device | Altera/Intel

EPC8Q100TBAC - 8Mb Altera Enhanced Configuration Device | Intel FPGA

EPC8Q1100 - 8 Mbit Enhanced Config Device for SRAM FPGAs | Altera

EPC8QC100 - 8Mb FPGA Config PROM, 100-PQFP | Altera/Intel

EPC8QC100-T - 8Mb Altera Enhanced Configuration PROM | Altera

EPC8QC100C - 8Mb Enhanced Config PROM 100-PQFP | Altera

EPC8QC100DM - 8Mb In-System Prog Config PROM | Intel FPGA | PQFP-100

EPC8QC100N - 8Mb Altera FPGA Configuration Memory, 100-Pin PQFP

EPC8QC100T - 8Mb Enhanced Configuration PROM, 100-PQFP | Intel (Altera)

EPC8QI100 - 8Mb FPGA Configuration PROM | Intel / Altera | 100-PQFP

EPC8QI100N - 8Mb In-System Programmable Config PROM | Altera | FPGA

EPC8QI100T - 8Mb Enhanced Config PROM 100-PQFP | Intel / Altera