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EPC8820ARI208-3N - Altera Enhanced Configuration Device | 208-pin RQFP
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 - Altera EPC Configuration Device | Altera
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 - 8Mb Altera Enhanced Configuration Device | Altera
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 - 8Mb Enhanced Configuration PROM | Altera | 100-PQFP
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 - 8Mb Enhanced Configuration Device | Altera/Intel
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 - 8Mb Altera Enhanced Configuration Device | Intel FPGA
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 - 8 Mbit Enhanced Config Device for SRAM FPGAs | Altera
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 - 8Mb FPGA Config PROM, 100-PQFP | Altera/Intel
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 - 8Mb Altera Enhanced Configuration PROM | Altera
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 - 8Mb Enhanced Config PROM 100-PQFP | Altera
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 - 8Mb In-System Prog Config PROM | Intel FPGA | PQFP-100
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 - 8Mb Altera FPGA Configuration Memory, 100-Pin PQFP
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 - 8Mb Enhanced Configuration PROM, 100-PQFP | Intel (Altera)
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 - 8Mb FPGA Configuration PROM | Intel / Altera | 100-PQFP
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 - 8Mb In-System Programmable Config PROM | Altera | FPGA
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 - 8Mb Enhanced Config PROM 100-PQFP | Intel / Altera
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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EPCS16SI8N - 16Mb FPGA Serial Config Flash 8-SOIC | Altera
EPCS16SI8N

EPCS16SI8N - 16Mb FPGA Serial Config Flash 8-SOIC | Altera

The Altera EPCS16SI8N is a 16-Mbit in-system-programmable serial configuration flash memory for FPGAs, operating from a 3.0 V to 3.6 V supply at up to 40 MHz, housed in an 8-pin SOIC (0.154 inch / 3.90 mm width) package. It is a member of the Altera EPCS family (EPCS1, EPCS4, EPCS16, EPCS64, EPCS128) of serial configuration devices. A serial configuration device is a non-volatile flash memory whose sole purpose is to store the configuration bitstream of an FPGA and stream it to the device at power-up. Within the memory and power-management hierarchy of an FPGA system, it sits alongside the FPGA itself as a companion memory IC: the FPGA reads configuration data from the EPCS16SI8N through its Active Serial (AS) interface (DCLK, DATA, nCONFIG, nSTATUS pins) during every power-on cycle. The EPCS family provides a single-device configuration solution for Stratix II and Cyclone series FPGAs. Key features of the EPCS16SI8N include 16 Mbit (2 MB equivalent) of flash capacity, in-system programmability (ISP) through the JTAG interface, and a serial clock rate up to 40 MHz for fast configuration. Altera's compression feature lets more effective configuration data fit in the 16 Mbit density, and the device supports multi-device configuration via data compression. Programmable type is In System Programmable, and the operating temperature range is -40°C to +85°C. Architecturally, the EPCS16SI8N integrates a standard SPI-like serial flash core with Altera-specific control logic, enabling direct connection to the FPGA's dedicated AS pins. Because all 8-pin EPCS family members share the same pinout, designs can migrate vertically from EPCS1 or EPCS4 to EPCS16 within the identical 8-pin SOIC footprint, which simplifies capacity upgrades without PCB redesign. Typical applications include configuration storage for Cyclone III (EP3C16, EP3C25) and Stratix II FPGAs, industrial control systems requiring remote firmware field updates via ISP, and network or communications equipment where a single-device configuration solution reduces board area and BOM cost. A key design consideration: the EPCS family is reaching end-of-life; new designs should evaluate the Intel EPCQ family. The EPCQ16ASI8N is a confirmed direct drop-in replacement in the same 8-pin SOIC package, with EPCS16SI8N marked lifecycle_status: eol. This page synthesizes drop-in replacement cross-references, community-verified substitution data, and pricing context not consolidated in the manufacturer datasheet.

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EPF10K100ABC356-2 - Flex 10KA FPGA, 100K Gates, 356-BGA | Altera
EPF10K100ABC356-2

EPF10K100ABC356-2 - Flex 10KA FPGA, 100K Gates, 356-BGA | Altera

The Altera (now Intel) EPF10K100ABC356-2 is a member of the FLEX 10KA family of Field-Programmable Gate Arrays (FPGAs), integrating 100,000 typical gates, 4,992 logic cells, and 274 user I/Os in a 356-ball LBGA package. It is built on a 0.30 µm CMOS SRAM process with embedded array blocks (EABs) and supports the System-on-a-Programmable-Chip (SOPC) integration pattern that defined the late-1990s programmable logic era. According to the manufacturer datasheet, this -2 speed grade targets 142.86 MHz core operation with 0.6 ns propagation delay. A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines the gate-level flexibility of mask-programmed ASICs with the in-system reconfigurability of SRAM-based logic arrays. Within the broader semiconductor taxonomy, FPGAs sit between complex PLDs (CPLDs) and full-custom ASICs: more flexible than CPLDs, faster to deploy than ASICs. The FLEX 10KA family is hypernymically classified as a high-density, SRAM-based, embedded-array FPGA, designed for glue-logic replacement, custom datapath implementation, and SOPC prototyping in telecom, industrial, and test equipment. Key features include 24,576 bits of embedded memory (RAM), 624 Logic Array Blocks (LABs), and an EAB-based architecture that allows embedded RAM, ROM, or multiplier functions to be instantiated directly in the silicon. The device operates from a 3.3 V core supply with separate I/O bank voltages (5.0 V, 3.3 V, or 2.5 V tolerant), supporting multi-voltage interfacing in mixed-signal boards. The 356-ball LBGA package provides high I/O density for the 274 user I/Os while keeping board footprint manageable for prototyping cards and PCI form-factor add-in boards. From an architectural perspective, the FLEX 10KA device family uses row-and-column interconnect with FastTrack continuous routing paths, giving predictable timing closure at the -2 speed grade. Configuration is loaded via serial PROM (EPC1/EPC2) or byte-wide parallel interface, with in-system programmability (ISP) via JTAG. The 0.30 µm process geometry was state-of-the-art in 1998 and remains adequate for legacy industrial control and instrumentation designs still in production. Typical applications include telecommunications line cards, industrial motor control front-ends, flat-panel display controllers, and PCI bus bridge implementations. The wide 3.3 V I/O tolerance also makes the part useful for legacy 5 V systems where a level-shifting ASIC would otherwise be required. Designers often pair the EPF10K100A with an EPC2 configuration PROM for standalone board bring-up. When designing with the EPF10K100ABC356-2, pay close attention to power-supply decoupling on all 3.3 V and VCCINT pins, as the simultaneous switching of 274 I/Os can produce significant SSO noise. A minimum of one 0.1 µF ceramic per VCCIO bank plus bulk decoupling on VCCINT is recommended. JTAG chain integrity must also be validated before configuration; a corrupted chain will prevent device wake-up even with valid configuration data.

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EPF10K100ABI356-3 - FLEX 10KA FPGA 100K Gates 356-BGA | Altera
EPF10K100ABI356-3

EPF10K100ABI356-3 - FLEX 10KA FPGA 100K Gates 356-BGA | Altera

The Altera (Intel) EPF10K100ABI356-3 is a member of the FLEX 10KA embedded programmable logic device family, delivering 100,000 typical gates and 4,992 logic cells in a 356-ball LBGA (Ball Grid Array) package. Built on a 0.3 um CMOS process and operating from a 3.3 V supply, this device provides 274 user I/Os, 624 LABs (Logic Array Blocks), and 24,576 RAM bits of embedded memory, making it suitable for system-on-a-programmable-chip (SOPC) integration. A Field-Programmable Gate Array (FPGA) is a type of integrated circuit that can be reconfigured by the customer after manufacturing to implement arbitrary digital logic. The FLEX 10KA family was the industry's first embedded programmable logic family, providing each logic element with embedded array blocks (EABs) for implementing RAM, ROM, FIFO, and other megafunctions alongside standard logic. Within the broader taxonomy, the EPF10K100A belongs to: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit -> semiconductor. Its 24576 RAM bits of true dual-port memory with built-in FIFO logic distinguish it from earlier FLEX 10K devices. Key features of the EPF10K100ABI356-3 include 4992 logic elements (LEs), 274 maximum user I/O pins, 24,576 bits of embedded SRAM, multiVolt I/O support for interfacing to 2.5 V and 3.3 V devices, and a typical toggle frequency up to 125 MHz. The -3 speed grade indicates the slowest of three speed grades offered in this family. The integrated phase-locked loops (PLLs) provide clock multiplication and phase shifting, while the JTAG-based IEEE 1149.1 boundary-scan interface supports in-system programming and verification. From an architectural perspective, the FLEX 10KA combines a fine-grained logic fabric with coarse-grained EABs. Each EAB provides 2,048 bits of RAM and can be configured as 256x8, 512x4, 1024x2, or 2048x1 memory. Each LAB contains eight LEs with carry-chain and cascade-chain support for fast arithmetic and wide fan-in functions. The interconnect uses FastTrack continuous routing channels with predictable delay, simplifying static timing closure. Typical applications for the EPF10K100ABI356-3 include telecommunications line cards, industrial control and automation, prototyping glue logic, DSP co-processing, PCI bus interface bridging, and pre-production ASIC emulation. Designers select this part when migrating from gate-array designs that require flexibility without sacrificing I/O count or density. The 356-ball LBGA package maximizes board space efficiency through SameFrame pin migration to 240-pin and 256-pin FineLine BGA packages, supporting board-layout reuse across densities. Designers using this part should plan for a configuration scheme - the EPF10K100A supports active serial, passive serial, and JTAG programming modes via dedicated configuration pins. Power estimation must include core current, I/O current, and any unused I/O banks configured as inputs (which can draw higher leakage). For high-reliability applications, industrial-grade screening and thermal characterization are recommended. This page synthesizes distributor pricing, pin-compatible FLEX 10KA same-family alternatives, drop-in FineLine BGA package mates, and practical migration notes that the original datasheet does not present in a single, decision-ready table.

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EPF10K100AFC484-2N - 100K Gates FLEX 10KA FPGA 484-FBGA | Altera
EPF10K100AFC484-2N

EPF10K100AFC484-2N - 100K Gates FLEX 10KA FPGA 484-FBGA | Altera

The Altera (Intel) EPF10K100AFC484-2N is a member of the FLEX 10KA family of Field Programmable Gate Arrays (FPGAs) delivering 100,000 equivalent gates and 4,992 logic cells in a 484-ball FineLine BGA package. Built on a 0.30 µm CMOS process, the device operates from a 3.0 V to 3.6 V supply and supports up to 369 user I/O pins, making it one of the highest-density members of the FLEX 10KA generation. An FPGA (Field Programmable Gate Array) is a type of programmable logic device that combines the density of gate arrays with the design flexibility of in-system programmability. FPGAs occupy the middle ground between simple PLDs/CPLDs and ASICs, allowing engineers to implement complex combinational and sequential logic, soft microcontrollers, and high-speed datapath functions in a single IC. The FLEX 10KA family introduced embedded array blocks (EABs) that double as on-chip RAM or ROM, enabling System-on-a-Programmable-Chip (SOPC) integration. This positions the EPF10K100AFC484-2N in the hierarchical taxonomy: FPGA -> programmable logic device -> digital IC -> semiconductor. Key features include 624 Logic Array Blocks (LABs), 12 embedded array blocks (EABs), and propagation delays as low as 0.6 ns. The device provides tri-state buffers on every I/O pin, supports PCI-compliant I/O standards at 33 MHz, and offers configurable JTAG-based in-system programmability through the IEEE 1149.1 boundary-scan interface. The 484-pin FBGA (23 x 23 mm) package with 1.0 mm ball pitch supports high-density board layouts while remaining compatible with standard surface-mount assembly. The architecture pairs a continuous interconnect network of FastTrack rows and columns with the embedded array blocks, giving designers simultaneous access to fine-grained logic and large memory structures. The -2 speed grade places the device in the mid-performance tier of the FLEX 10KA line, balancing timing margin against cost in commercial (0 °C to 70 °C) operating environments. Pin-to-pin delays through the FastTrack interconnect are deterministic, simplifying static timing closure for synchronous designs. Typical applications include telecommunications line cards, industrial control and factory automation backplanes, test and measurement instrumentation, glue logic replacement, and PCI bus interfaces. The combination of high gate count, 369 user I/Os, and on-chip memory blocks suits bus-bridging, protocol conversion, and small DSP datapath tasks. When designing with this part, plan power sequencing carefully - the FLEX 10KA family requires VCCINT to be stable before VCCIO ramps. Use the Altera MAX+PLUS II or Quartus (legacy support) toolchain for synthesis, fitting, and programming, and verify BSDL files against the device's JTAG ID for production test. This page synthesizes distributor stock data, drop-in and package-compatible alternatives, and design notes compiled from the FLEX 10KA datasheet and Altera application notes - information not bundled together in the manufacturer datasheet alone.

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EPF10K100ARC240-1 - FLEX 10KA FPGA 4992 LE | Altera
EPF10K100ARC240-1

EPF10K100ARC240-1 - FLEX 10KA FPGA 4992 LE | Altera

The Altera EPF10K100ARC240-1 is a FLEX 10KA field programmable gate array (FPGA) offering 4,992 logic elements, 24,576 bits of embedded RAM and 189 user I/O pins in a 240-pin BFQFP exposed-pad (RQFP) package, specified at the fastest -1 speed grade. What is an FPGA? A field programmable gate array is a digital integrated circuit built from a matrix of configurable logic blocks, programmable interconnect and embedded memory that the user configures after manufacture, in contrast to an ASIC whose function is frozen at the mask stage. In the component taxonomy the EPF10K100ARC240-1 sits at FPGA -> programmable logic device (PLD) -> digital integrated circuit. The FLEX 10K family was promoted as the industry's first embedded PLD family, providing System-on-a-Programmable-Chip (SOPC) integration through an embedded array alongside the logic array, which made it a mainstream choice for bus interfaces, glue logic and datapaths before modern low-cost FPGAs appeared. Key features: 4,992 logic elements, 624 logic array blocks (LABs), 24,576 embedded RAM bits, 189 user I/O pins, a 3.3 V CMOS supply, and a commercial operating range of 0 C to +70 C. The -1 speed grade is the fastest FLEX 10KA bin, and distributor listings also record a 0.6 ns propagation delay in a square 240-terminal HFQFP outline with gull-wing terminals. Architecturally the device is SRAM-based and therefore volatile: configuration data must be reloaded at every power-up. Logic is organised into LABs, and the embedded array supplies the 24,576 RAM bits used for shallow FIFOs and single-cycle buffers. Because the fabric is reprogrammable, one printed circuit board can host several product variants simply by changing the configuration image. Typical applications include industrial control and motion interfaces, telecom and networking line cards, video and image acquisition, data-acquisition front ends, and embedded bus bridging. The 189 user I/O pins let one device replace dozens of discrete logic packages on a legacy board. Design consideration: budget an external configuration device such as EPC1PC8 or EPC2LC20N and treat configuration time as a boot-time constraint, because the FPGA performs no function until loading completes. This page consolidates distributor availability data, drop-in alternatives and design notes that are not assembled in the original manufacturer datasheet.

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EPF10K100ARC240-2 - FLEX 10KA FPGA, 4992 LEs | Altera
EPF10K100ARC240-2

EPF10K100ARC240-2 - FLEX 10KA FPGA, 4992 LEs | Altera

The Altera EPF10K100ARC240-2 is a FLEX 10KA field programmable gate array (FPGA) with 4,992 logic elements, 24,576 embedded RAM bits and 189 user I/O pins, supplied in a 240-pin RQFP (BFQFP) package with an exposed thermal pad. It is a 3.3 V CMOS device in the -2 speed grade with commercial 0 C to +70 C temperature grading, and distributor parametric data lists a maximum operating frequency of 142.86 MHz. What is an FPGA? A field programmable gate array is a reconfigurable digital device built from an array of configurable logic blocks joined by programmable interconnect, letting one silicon die implement arbitrary synchronous logic after manufacture. In the device taxonomy a FLEX 10KA part is an FPGA, an FPGA is a programmable logic device (PLD), and a PLD sits beside microcontrollers, ASICs and ASSPs in the digital integrated circuit family. Altera's FLEX 10K was the industry's first embedded PLD family to deliver system-on-a-programmable-chip (SOPC) integration, combining a flexible logic array with an embedded array for memory and specialized functions. Headline specifications include 4,992 logic elements organized into 624 logic array blocks (LABs), 24,576 RAM bits of embedded memory, 189 user I/Os, 100,000 typical gates and a 0.600 ns propagation delay quoted in distributor parametric listings. The LAB arithmetic mode provides two three-input look-up tables - one computes a three-input function while the other generates the carry - which makes the architecture efficient for the adders, accumulators and comparators used in datapath, counter and DSP-style blocks. Architecturally the FLEX 10KA is an SRAM-configured CMOS FPGA: configuration is loaded at every power-up from an external source rather than from on-chip non-volatile memory, so a companion configuration device (Altera's EPC-series parts are the documented companions) sits in the power-up chain. The 240-pin RQFP uses gull-wing leads and an exposed pad, giving a surface-mount footprint that is easier to inspect and rework than a BGA of similar pin count - a practical benefit for legacy and low-volume production. Typical applications are legacy industrial controllers, telecommunications line cards, test and measurement instruments, medical imaging front ends and video processing boards designed around the FLEX 10K/10KA architecture. In each case the 189 user I/Os and 4,992 logic elements glue processors, memory and analog front ends together, and the device is retained because qualifying a replacement FPGA would require a full PCB respin. One critical design consideration is configuration: because the device is SRAM-based it must be configured on every power-up, so the configuration clock, data and status handshake must be treated as a real interface with correct pull-ups. The exposed pad must be soldered to ground with a via array for both ground integrity and heat removal. This page synthesizes distributor parametric data, drop-in FLEX 10KA alternatives, obsolete-part sourcing guidance and practical design notes that are not collected in one place in the manufacturer data sheet.

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EPF10K100ARC240-3N - 100K Gates FLEX 10KA FPGA | Intel / Altera
EPF10K100ARC240-3N

EPF10K100ARC240-3N - 100K Gates FLEX 10KA FPGA | Intel / Altera

The Intel (formerly Altera) EPF10K100ARC240-3N is a high-density FLEX 10KA family Field-Programmable Gate Array (FPGA) delivering 100,000 system gates, 4,992 logic elements, and 24,576 RAM bits in a 240-pin RQFP (BFQFP with exposed pad) package. The device provides 189 user I/O pins, a -3 speed grade, 3.3V core supply, and a 0.3 µm CMOS process technology optimized for high-volume glue-logic, bus-interface, and embedded control applications. An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that engineers configure after manufacturing to implement arbitrary digital circuits. FPGAs sit at the top of the programmable logic hierarchy: PLD -> CPLD -> FPGA. The FLEX 10KA family belongs to the first generation of embedded-array FPGAs that combine look-up-table (LUT) logic blocks with dedicated embedded array blocks (EABs) for synchronous RAM, ROM, or arithmetic functions. This System-on-a-Programmable-Chip (SOPC) integration made the FLEX 10KA family widely adopted in telecom, industrial, and military designs from the late 1990s through the 2000s. Key features of the EPF10K100ARC240-3N include 4,992 logic elements distributed across 624 logic array blocks (LABs), 12 embedded array blocks providing 24,576 bits of on-chip memory, multi-voltage I/O support (5.0V, 3.3V, and 2.5V), an in-system programmability (ISP) interface via JTAG, and a 0.6000 ns propagation delay (per third-party spec). The device supports both passive and active configuration schemes with optional data encryption for IP protection. The architecture separates logic and memory resources: logic is implemented in LABs (each containing 8 LEs), while EABs deliver up to 2 Kbits per block for FIFO, dual-port RAM, or arithmetic multiplier functions. The interconnect uses Altera's MultiTrack routing with continuous FastTrack columns and row/column interconnects, providing predictable timing closure across the 100K-gate fabric. The 0.3 µm CMOS process and 3.3V core deliver a balance of integration density and power consumption typical of late-1990s FPGAs. Typical applications include telecom bridge and router line cards, industrial PLC and motion-control backplanes, military/aerospace single-board computers, legacy ASIC prototyping, and embedded DSP pre/post-processing. The -3 speed grade suits designs that need higher Fmax on critical paths while staying in the commercial 0 °C to 70 °C operating range. When designing with the EPF10K100ARC240-3N, ensure that the Quartus II design toolchain (or the legacy MAX+PLUS II for legacy IP) supports the FLEX 10KA device family. Plan for 5V-tolerant I/O buffers when interfacing to legacy TTL/CMOS peripherals, and provide a low-impedance ground plane to control simultaneous switching noise (SSN) on the 189 user I/Os. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the FLEX 10KA family, and practical design notes not consolidated in the legacy Altera datasheet - useful for engineers maintaining or replicating legacy hardware.

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EPF10K100ARI240 - FLEX 10KA FPGA 100K Gates | Intel / Altera
EPF10K100ARI240

EPF10K100ARI240 - FLEX 10KA FPGA 100K Gates | Intel / Altera

The Intel (formerly Altera) EPF10K100ARI240 is a member of the FLEX 10KA embedded programmable logic family, integrating 100,000 typical gates, 4,992 logic elements (LEs), and 24,576 RAM bits into a 240-pin PowerQuad Flat Pack (RQFP) package with exposed thermal pad. This industrial-temperature-grade device operates from a 3.0 V to 3.6 V supply and supports in-system programmability via the IEEE 1149.1 JTAG boundary-scan interface plus the ByteBlasterMV and BitBlaster configuration cables. A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines a sea of configurable logic blocks, programmable interconnect, and dedicated I/O cells on a single piece of silicon. The FLEX 10KA family specifically embeds an array of embedded array blocks (EABs) used to implement megafunctions such as efficient memory and specialized logic functions, alongside the logic array used for general logic. This makes the EPF10K100ARI240 part of the System-on-a-Programmable-Chip (SOPC) integration tier introduced by Altera in the late 1990s. Key features of the EPF10K100ARI240 include 189 user I/O pins (with the remaining pins used for power, ground, JTAG, and configuration), 624 logic array blocks (LABs), and up to 12 EABs providing a total of 24,576 bits of on-chip RAM (2,048 bits per EAB). The device supports multi-voltage I/O operation, allowing the I/O bank supply to be set independently from the core supply. Pin-compatibility across the FLEX 10KA family simplifies board migration between logic densities. Architecturally, the EPF10K100ARI240 uses a 0.3 µm CMOS SRAM process with four-input look-up tables (LUT4) per LE, dedicated carry chain for fast adders, and a cascade chain for wide fan-in functions. The LUT-based architecture gives each LE the ability to implement any four-input Boolean function, while adjacent LABs share local interconnect for predictable timing closure on datapath logic. The device is configured at power-up from a serial PROM or via JTAG, with configuration data stored in SRAM cells. Typical applications include telecommunications line cards, industrial control logic, glue logic in microprocessor systems, custom interface bridging (e.g., legacy parallel buses to high-speed serial), and prototyping of ASIC designs before mask production. The 240-pin RQFP footprint is widely supported by low-cost PCB assembly lines, making the EPF10K100ARI240 an economical choice for legacy and long-lifecycle industrial designs. When designing with this part, engineers should budget for the external configuration PROM (EPC1, EPC2, or compatible), decouple all VCCINT and VCCIO pins with 0.1 µF and 10 µF capacitors, and route the JTAG chain (TCK, TMS, TDI, TDO) with controlled impedance to avoid programming errors. The exposed thermal pad on the RQFP-240 must be soldered to the ground plane for thermal relief. This page consolidates distributor availability, JTAG programming guidance, drop-in FLEX 10KA alternatives, and lifecycle status information not always presented together on a single manufacturer page.

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