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EPC16C100T

EPC16C100T - 16Mb Enhanced Config Device for SRAM FPGAs | Intel

The Intel EPC16C100T (formerly Altera EPC16C100T) is a 16-Mbit enhanced configuration memory device designed to configure SRAM-based look-up-table (LUT) FPGAs such as the Stratix, Cyclone, APEX, and Mercury families. It integrates a flash memory array, a configuration controller, and an IEEE 1149.1 JTAG interface in a single 100-pin PQFP package, providing designers with a robust single-chip solution for storing FPGA configuration bitstreams. An FPGA configuration device is a non-volatile memory that stores the bitstream loaded by an SRAM-based FPGA at power-up. Unlike SRAM FPGAs (which lose configuration when power is removed), these devices retain bitstream data across power cycles and present it to the FPGA through a serial or parallel configuration interface. The EPC16 family belongs to the broader hierarchy: configuration memory -> non-volatile memory -> semiconductor memory IC, and is a specialized power-management companion to LUT-based FPGAs. Key features include 16 Mb of flash storage, in-system programmability via JTAG, support for Fast Passive Parallel (FPP), Passive Serial (PS), Passive Parallel Asynchronous (PPA), and Passive Parallel Synchronous (PPS) configuration schemes, plus a 3.3V core / 1.8V-3.3V I/O interface. The device also supports compression for Stratix/Stratix II, multi-device configuration via daisy-chaining, and remote update through dedicated configuration schemes. The EPC16C100T uses a dedicated configuration controller that handles handshaking with the host FPGA. Its 100-pin PQFP package offers a through-hole-friendly footprint with standard 0.65 mm lead pitch, and the JTAG chain allows board-level in-system programming using the IEEE 1149.1 boundary-scan infrastructure without removing the device from the board. Typical applications include Stratix-series FPGA configuration in telecommunications line cards, industrial control boards, and military/aerospace embedded systems where field-upgradeable firmware and reliable single-chip boot are essential. The remote-update feature enables fail-safe firmware revision management in remote, unattended installations. When designing with this device, ensure that nCONFIG, nSTATUS, and CONF_DONE follow Altera reference design guidelines. The JTAG chain must be correctly ordered to avoid back-drive contention, and the decoupling network (typically 0.1 uF + 10 uF bulk) must be placed close to VCC pins. The EPC16C100T is being phased out as Altera/Intel migrates the Stratix family to newer configuration solutions, so verify lifecycle status before new designs. This page synthesizes distributor availability, pin-compatible alternatives, and design considerations that go beyond the manufacturer datasheet, helping engineers evaluate replacement options for legacy designs.

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EPC16JC88

EPC16JC88 - 16Mb FPGA Config PROM, 88-UBGA | Altera (Intel FPGA)

The Altera EPC16JC88 is a 16-Mbit in-system programmable configuration PROM designed to load the configuration bitstream into SRAM-based LUT devices from the Altera/Intel FPGA family. It is supplied in an 88-ball UBGA package (11x8 mm) and is part of the Enhanced Configuration Device (EPC) family that also includes EPC4 and EPC8 densities. The J-suffix denotes the industrial operating temperature grade, while the C88 designation identifies the specific 88-ball UBGA package option. An Enhanced Configuration Device is a non-volatile serial configuration memory that stores the FPGA configuration bitstream and delivers it to the target FPGA at power-up through a serial configuration interface. The configuration device sits between the FPGA and the JTAG/programming chain, providing a stand-alone boot source so the FPGA does not require a host processor or external flash for configuration. Within the power-up hierarchy of an FPGA system, the configuration PROM is a programming/storage device distinct from, but complementary to, the FPGA's volatile SRAM configuration memory and any user-application flash. Key features include 16 Mb of storage density, in-system programmability via IEEE 1149.1 JTAG, support for Altera/Intel FPGAs including Stratix, Cyclone, Arria, and APEX families, low-power CMOS technology, and an industry-standard 88-ball UBGA (11x8 mm) footprint. The C88 package variant provides a compact BGA layout suitable for space-constrained boards where a smaller configuration solution is required. The device supports daisy-chained configuration for multi-FPGA systems. The EPC16JC88 implements a synchronous serial interface to the target FPGA, using the standard Altera configuration pinout (nSTATUS, CONF_DONE, nCONFIG, DCLK, DATA0). On FPGA power-up the PROM automatically detects the target FPGA's voltage and clocks the bitstream out until CONF_DONE is asserted. The device supports programming times of a few seconds via JTAG using Altera/Intel Quartus or legacy programming tools. Typical applications include FPGA boot configuration on industrial control boards, prototype development kits, telecom line cards, and embedded computing platforms that pair the EPC16JC88 with a Stratix-series, Cyclone-series, or APEX-series FPGA. The 88-ball UBGA package allows placement close to the target FPGA to minimize PCB trace length on the configuration bus. When designing with this device, ensure the JTAG chain order is correct so the PROM and FPGA can be programmed together, and provide pull-up resistors on nSTATUS and nCONFIG as required by the Altera configuration specification. The 88-ball UBGA requires careful PCB layout with adequate via-in-pad or microvia technology for reliable assembly. This page synthesizes distributor stock and price context, drop-in configuration-PROM alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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EPC16Q100

EPC16Q100 - 16Mb In-System Programmable Config PROM | Intel/Altera

The Altera EPC16Q100 is a 16-megabit in-system programmable Configuration PROM designed to store configuration data for high-density Altera FPGAs such as the Stratix, Cyclone, and APEX families. It uses a 100-pin PQFP (Plastic Quad Flat Pack) package, offers a 3.3V core supply, and provides a single-device, high-speed configuration solution for very high-density FPGA designs. An FPGA configuration PROM is a non-volatile memory device that holds the bitstream loaded into an SRAM-based FPGA at power-up. Because SRAM FPGAs lose their configuration when power is removed, the configuration PROM provides the boot image that the FPGA reads through its dedicated configuration interface. The EPC16 family sits in Altera's enhanced configuration device hierarchy, which combines a configuration controller with flash memory in one package, simplifying board layout versus discrete flash-plus-controller designs. Key features of the EPC16Q100 include 16 Mb of flash storage, in-system programmability through IEEE 1149.1 (JTAG), support for multiple I/O voltages (3.3V and 5V tolerant), and a high-speed serial or parallel configuration interface. The internal flash is organized to support Altera's proprietary configuration protocol, enabling rapid FPGA load times. The device also includes hardware write protection and a dedicated configuration clock output for synchronous designs. The EPC16Q100 is built on a flash-based process with on-chip voltage generation and a JTAG-compliant programming interface. Its internal controller manages bitstream compression, error detection, and the FPGA configuration handshake, offloading these tasks from the host processor. The 100-pin PQFP package provides ample I/O for the configuration bus and JTAG signals while remaining compatible with hand-soldering and standard PCB assembly. Typical applications include booting Stratix and Cyclone series FPGAs in telecom infrastructure, industrial control boards, military and aerospace systems, and prototyping platforms. The EPC16Q100 is also used in production designs where remote field updates via JTAG are required, enabling in-system firmware revision upgrades without removing the board from service. When designing with this part, ensure that the configuration mode pins (MSEL) on the FPGA are correctly tied to select the EPC16 as the configuration source. Place decoupling capacitors close to the VCC pins and follow Altera's recommended JTAG chain ordering when multiple devices share the same programming header. This page synthesizes distributor pricing, drop-in alternatives from the same Altera enhanced configuration family, and practical design notes not found in the manufacturer datasheet alone.

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EPC16QC-100T

EPC16QC-100T - 16Mbit FPGA Config PROM, 100-PQFP | Altera

The Altera (Intel) EPC16QC-100T is a 16-Mbit in-system programmable enhanced configuration PROM designed to configure SRAM-based LUT FPGAs, packaged in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20 x 14 mm. It supports multi-bit configuration data compression, an 8/16-bit data width, and serial configuration via the Altera enhanced controller block, delivering fast, single-device configuration for very-high-density FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K families. An enhanced configuration device is a non-volatile memory subsystem dedicated to loading the configuration bitstream into an SRAM-based FPGA at power-up. Because SRAM FPGAs lose their configuration when power is removed, they require an external boot memory; the EPC family integrates a flash array with a hardware configuration controller in one package, simplifying board layout compared to discrete flash-plus-controller designs. Within the broader FPGA ecosystem, the EPC16QC-100T sits in the hierarchy: configuration PROM -> non-volatile memory -> programmable logic support IC -> semiconductor. Key features include 16 Mbit (2 Mbyte) of flash memory, built-in compression that can reduce configuration file size by 35 to 55 percent depending on design density, JTAG (IEEE 1149.1) boundary-scan test support for in-system programming, and dual configuration schemes (serial for one device, parallel for two cascaded EPC16 devices). The device operates from a 3.3 V supply and supports cascading to address larger FPGA bitstreams via Chip Enable (nCE) and Output Enable (nOE) handshake signals. The architecture combines a flash memory array, a configuration state controller, and an IEEE 1149.1 JTAG interface on a single die. The controller handles the configuration algorithm, error detection, and chip-select sequencing, while the flash array stores the compressed FPGA image. Compression is performed in Altera's Quartus design software, and the device transparently decompresses the bitstream on FPGA load. Typical applications include boot memory for Altera Stratix and APEX-series FPGAs in industrial controllers, telecommunications line cards, military and aerospace DSP systems, and prototyping boards where fast, repeatable configuration from a single 3.3 V flash source is required. The 20 x 14 mm PQFP-100 footprint is compatible with earlier EPC4 and EPC8 enhanced configuration devices, simplifying migration. When designing with this part, confirm that the Quartus programmer software version supports the EPC16 device family and that the target board implements the proper nCE/nOE handshake for multi-device chains. The PQFP-100 package is surface-mount but uses a 0.65 mm pitch leadframe, so PCB assembly requires careful solder-paste stencil and reflow profiling. This page synthesizes distributor availability, parametric context, and engineering guidance beyond the bare datasheet, helping engineers select configuration memory and pin-compatible variants for both new designs and legacy Altera FPGA platforms.

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EPC16QC100

EPC16QC100 - 16Mb FPGA Configuration PROM, 100-PQFP | Altera

The Altera EPC16QC100 is a 16-Mbit in-system programmable Flash configuration PROM designed to store and deliver configuration bitstreams to high-density Altera FPGAs. Housed in a 100-pin PQFP (20x14 mm) package, it operates with a 33 MHz configuration clock and supports a wide 3.0V to 3.6V supply range, providing a single-device, high-speed configuration solution that eliminates external boot memory. A configuration PROM (sometimes called a configuration memory or boot PROM) is a non-volatile serial memory dedicated to storing an FPGA's bitstream. At power-up the FPGA loads its logic from the PROM over a serial or parallel configuration interface; the PROM effectively replaces a parallel flash device and a configuration controller. Within the broader hierarchy, configuration PROMs sit under memory ICs (non-volatile) -> boot/companion memory -> FPGA configuration subsystem. Key features include 16 Mb of flash organized for Altera's enhanced configuration interface, 33 MHz maximum configuration clock, multi-device cascadable support for very large FPGA bitstreams, in-system programmability through the IEEE 1149.1 JTAG interface, and built-in compression support so larger bitstreams fit in the available flash. Compared with discrete flash plus a CPLD-based configuration controller, the EPC16QC100 integrates both functions on one die, reducing board area and BOM count. Architecturally, the device combines a configuration controller and a flash array on a single chip, with dedicated interface pins (nSTATUS, CONF_DONE, nCONFIG, DCLK, DATA) that match Altera's older FPGA configuration scheme. It supports Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K device families. Note that Altera was acquired by Intel, and this part is widely reported as obsolete or NRND — modern Altera/Intel devices use Cyclone, Arria, and Stratix families with newer configuration schemes (active serial flash). Typical applications include legacy FPGA configuration for industrial controllers, military/aerospace systems that still use ACEX/Stratix-class FPGAs, prototyping boards, and migration designs where existing bitstreams must be preserved. Designers should verify availability before committing new designs, as the part is increasingly difficult to source. Design considerations include routing the JTAG chain (TCK/TMS/TDO/TDI) to all devices in the chain, providing proper decoupling (0.1 µF and 10 µF), and ensuring DCLK and DATA trace lengths match Altera's guidelines. Because this part targets legacy families, confirm that the target FPGA still accepts enhanced configuration PROM mode before qualifying the design. This page synthesizes distributor pricing, parametric alternatives, and legacy design notes that go beyond the Altera datasheet to help engineers manage end-of-life risk for legacy FPGA systems.

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EPC16QC100-TAAC80

EPC16QC100-TAAC80 - 16Mb FPGA Config PROM, 100-PQFP | Altera

The Altera EPC16QC100-TAAC80 is a 16-Mbit enhanced configuration device designed as a single-chip, in-system programmable solution for very high-density SRAM-based FPGAs. Housed in a 100-pin PQFP (Plastic Quad Flat Pack) package measuring 20x14 mm, this Altera/Intel configuration PROM delivers configuration bitstreams to companion FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K device families via a dedicated configuration controller and embedded flash memory array. Key headline parameters include a 16-Mbit flash storage density, multi-mode configuration (FPP, PS, AS, JTAG), compression support that reduces configuration file size by 30-55%, and supply voltage of 3.3 V (core) with 5 V tolerant I/O. An FPGA configuration PROM is a non-volatile serial/parallel memory device whose role is to load the SRAM-based LUT fabric of an FPGA at power-up. Because SRAM FPGAs lose their configuration on power-down, the host board requires an external boot memory - the configuration PROM - to store the bitstream. The enhanced configuration family (EPC4, EPC8, EPC16) integrates both the configuration controller and the flash array on a single die, eliminating the need for an external controller and reducing board complexity versus older EPROM-based EPC1/EPC2 devices. Key differentiating features of the EPC16QC100 include built-in data compression (which reduces configuration time and storage requirements), JTAG 1149.1 boundary-scan support for in-system programming, multi-voltage I/O (1.8 V, 2.5 V, 3.3 V, 5 V) for compatibility with all supported FPGA families, and a dedicated nSTATUS/nCONFIG handshaking interface. The 'QC100' suffix indicates the 100-pin PQFP package; the '-TAAC80' suffix designates tape-and-reel packaging with a specific date/lot code per Altera ordering nomenclature. The EPC16QC100 internally separates the configuration controller logic from the flash memory block, with the controller handling the bitstream handshake (DCLK, DATA, nCS, OE), decompression, and error checking. Configuration modes supported include Passive Serial (PS), Fast Passive Parallel (FPP), JTAG, and Active Serial (AS) when cascaded with a serial configuration device, enabling flexible design-in across Altera FPGA families. Typical applications include Stratix and APEX 20K FPGA boot storage, industrial control systems requiring reliable SRAM FPGA configuration, networking line cards with high-density FPGAs, military and aerospace FPGA-based processing boards, and any design that needs a robust, in-system programmable configuration memory for legacy Altera SRAM FPGAs. The compression feature is particularly valuable in cost-sensitive designs that need to minimize configuration storage. When designing with the EPC16QC100-TAAC80, verify that the target FPGA's configuration mode matches the PROM's supported modes. For JTAG programming, connect TCK, TMS, TDI, and TDO through the device's JTAG chain; the EPC16 will appear as a single JTAG device with its own BYPASS instruction. The nINIT_CONF and OE pins must be tied correctly to the target FPGA's nCONFIG/nSTATUS pins to enable clean handshake during multi-device configuration cascades.

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EPC16QC100DM

EPC16QC100DM - 16Mb FPGA Config PROM, 100-Pin QFPA | Intel

The Intel EPC16QC100DM is a 16-Mbit serial configuration memory device designed to store configuration bitstreams for Intel (formerly Altera) FPGA families including Stratix, Cyclone, and APEX series in 100-pin QFPA packaging. The device supports multi-voltage I/O (3.3V/2.5V) operation and uses a serial peripheral interface (SPI) to deliver configuration data to the host FPGA at speeds up to 40 MHz. Housed in a 100-pin Plastic Quad Flat Pack (PQFP-100), the EPC16QC100DM targets industrial temperature ranges and provides high-density, single-chip configuration storage for mid-to-large FPGA designs. A Configuration PROM (or FPGA configuration memory) is a non-volatile serial memory specifically designed to load configuration bitstreams into SRAM-based FPGAs at power-up. Unlike general-purpose EEPROMs, configuration PROMs implement the FPGA-specific serial configuration protocol, supporting multi-device cascading and in-system programming. EPC16 belongs to the configuration memory category, which sits within the FPGA support ecosystem hierarchy: FPGA support IC -> Memory IC -> Configuration PROM -> Non-volatile memory -> Semiconductor IC. Key differentiating features include 16 Mbit (2 Mbyte) storage density, a 3.3V core supply with 2.5V/3.3V selectable output voltage for compatibility with older and newer FPGA families, and an industry-standard SPI serial interface. The device supports in-system programmability through the IEEE 1532/JTAG boundary-scan chain, and the parallel/serial configuration modes are selectable via hardware pins. Internal 3.3V regulation from a 5V VCC simplifies board design when the host FPGA requires 3.3V I/O. Architecturally, the EPC16QC100DM integrates a 16-Mbit NOR-flash array with an FPGA-compatible serial configuration controller and a JTAG-compliant programming interface. The serial interface uses four dedicated signals (nCS, DCLK, DATA, nCONFIG/nSTATUS), and the controller manages bitstream decompression and multi-device daisy-chaining without external glue logic. Error detection is handled by a built-in CRC verifier that signals FPGA nSTATUS if any bitstream corruption is detected at load time. Typical applications include configuring Stratix II/III FPGAs in telecommunications line cards, mid-range Cyclone III/IV designs in industrial controllers, APEX 20K and ACEX 1K systems in legacy test-and-measurement equipment, and Avionics/MIL-STD-1553 interface cards where 100-pin PQFP packages remain standard. The 16 Mbit density is well matched to mid-density FPGAs (roughly 30k-120k logic elements), and the 3.3V/2.5V VIO option lets one PROM support multiple FPGA generations on the same PCB. When designing with the EPC16QC100DM, ensure that nCS, DCLK, and DATA traces are length-matched to within 1 cm and routed with 50 ohm controlled impedance to avoid bitstream corruption at the maximum 40 MHz DCLK rate. For multi-device configuration chains, daisy-chain nCASC between PROMs and respect tCF parameter (typically 100 ms) before issuing nCONFIG. This page synthesizes verified distributor pricing, drop-in configuration PROM alternatives, and practical design notes for Intel/Altera EPC16 family configuration devices, information not consolidated on any single distributor or manufacturer page.

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EPC16QC100II

EPC16QC100II - 16Mb FPGA Configuration PROM, 100-PQFP | Altera (Intel)

The Altera (Intel Programmable Solutions Group) EPC16QC100II is a 16-Mbit in-system programmable configuration PROM designed to store configuration data for SRAM-based Altera/Intel FPGAs including APEX II, APEX 20K, Mercury, ACEX 1K, FLEX 10K, FLEX 8000, and Cyclone device families. The part is housed in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20 x 14 mm with a 0.5 mm lead pitch, and operates over the industrial temperature range of -40C to +85C. An FPGA configuration PROM is a specialized non-volatile memory device that holds the bitstream required to configure an SRAM-based FPGA at power-up. Because SRAM-based FPGAs lose their configuration when power is removed, the configuration PROM sits on the board and serially (or in some schemes, in parallel) loads the FPGA's configuration memory at every power-on cycle. EPC configuration PROMs sit at the bottom of the configuration-device hierarchy: configuration PROM -> serial configuration memory -> non-volatile boot memory -> FPGA configuration subsystem -> programmable logic device. Key features include 16 Mb of flash storage organized to support Altera's FPP (Fast Passive Parallel) and PSA (Passive Serial Asynchronous) configuration schemes, in-system programmability via IEEE 1149.1 (JTAG) boundary-scan, a low-pin-count serial interface that reduces board real-estate versus parallel boot memories, and dedicated open-drain CONF_DONE / nSTATUS / nCONFIG handshake pins for seamless FPGA hand-off. The "II" suffix denotes the industrial-grade temperature variant. The EPC16QC100II uses a 3.3 V core supply with 5 V tolerant I/O on configuration pins, supporting cascading of multiple PROMs to address FPGAs whose bitstream exceeds 16 Mb. Internally, the device implements a state machine that handles JTAG ISP (In-System Programming) and orchestrates the serial clock and data handshake required by the target FPGA. Compared to early EPC1/EPC2 PROMs, the EPC16 adds compression support, reducing the on-board PROM silicon needed to load a given FPGA by approximately 30%. Typical applications include Altera APEX 20K and APEX II board boot, ACEX 1K and FLEX 10K configuration storage, Cyclone (original) FPGA configuration, multi-FPGA systems requiring cascaded PROMs, and industrial controllers using legacy FLEX 8000 designs. The part is also a common reference design point in educational FPGA labs. Designers should note that the EPC16QC100II has been superseded by newer Altera/Intel configuration devices such as the EPCQ and EPCQ-A families for current FPGA families; for new designs targeting Cyclone IV / Cyclone 10 / Arria / Stratix, engineers should select EPCQ16 or EPCQ-A16 instead. However, the EPC16 remains the supported configuration device for many legacy designs and continues to ship from authorized distributors. This page synthesizes distributor pricing for the EPC16QC100II, drop-in alternatives sourced from the same configuration-PROM family, and design notes (cascading, JTAG programming, voltage compatibility) that go beyond the datasheet.

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EPC16QC100N

EPC16QC100N - 16Mb FPGA Configuration PROM, 100-PQFP | Altera

The Altera EPC16QC100N is a 16-Mbit in-system programmable configuration PROM designed to store configuration bitstreams for SRAM-based Altera FPGAs including the ACEX 1K, APEX 20K, APEX II, Arria GX, Cyclone, Cyclone II, FLEX 10K, FLEX 6000, Mercury, Stratix, Stratix GX, Stratix II, and Stratix II GX families. Housed in a 100-pin Plastic Quad Flat Pack (QFP) measuring 20x14 mm, the device operates from a single 3.0 V to 3.6 V supply and supports a maximum configuration clock frequency of 33 MHz. What is an FPGA configuration PROM? An FPGA configuration PROM is a non-volatile flash memory device that stores the bitstream (configuration data) for SRAM-based FPGAs. Because SRAM loses its configuration when power is removed, an external non-volatile store is required to reload the device at every power-up. These configuration PROMs sit in the hierarchy as follows: configuration PROM -> serial/parallel flash memory -> non-volatile memory -> memory IC -> integrated circuit (semiconductor). They expose a dedicated configuration interface (DATA, DCLK, nCONFIG, nSTATUS, CONF_DONE) that handshakes directly with the FPGA during the load sequence. Key features include 16,777,216 bits of flash memory (16 Mbit), on-chip decompression that supports compressed bitstreams up to twice the memory density, and a fast page-mode configuration interface. The device supports JTAG-based in-system programming via IEEE Std 1149.1, allowing the configuration image to be updated on a populated PCB without removing the PROM. Operating temperature is specified for the commercial 0C to 70C range. The EPC16QC100N uses a flash-based architecture with a typical 90 ns access time, providing approximately 10 MHz flash read bandwidth. The 16-bit DQ flash data bus delivers up to 160 Mbps of bandwidth, which is more than sufficient for legacy Altera configuration schemes but lower than what modern Stratix FPP (Fast Passive Parallel) modes require at high clock rates. Typical applications include FPGA configuration storage on industrial control boards, telecommunications line cards using Stratix or Cyclone devices, test and measurement chassis that require in-field bitstream updates, and legacy designs that pair ACEX 1K or APEX 20K devices with a parallel configuration PROM. The wide 3.0V to 3.6V supply range also suits +3.3V system rails common in telecom infrastructure. When designing with this device, ensure that the configuration mode of the target FPGA is compatible with the EPC16QI100N's supported modes (FPP, PS, AS). The nINIT_CONF pin allows the FPGA to delay configuration start; leave it pulled high through a 10 kohm resistor if unused. Verify that the bitstream fits in 8 Mbit uncompressed or 16 Mbit compressed. This page synthesizes distributor pricing, pin-compatible Altera alternatives, and practical design notes not found in the manufacturer datasheet.

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EPC16QC100SS

EPC16QC100SS - 16Mb Config PROM for FPGAs, PQFP-100 | Intel

The Intel (formerly Altera) EPC16QC100SS is a 16-Mbit in-system programmable Configuration PROM designed to configure SRAM-based FPGAs such as the Stratix, Cyclone, and APEX families, housed in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20x14 mm. It provides non-volatile storage of FPGA configuration bitstreams and supports high-speed serial or parallel configuration via Altera's passive-serial, passive-parallel-synchronous, and passive-parallel-asynchronous modes. The "SS" suffix designates the 3.3V VCC device variant in the EPC16 family, optimized for low-power operation. A configuration PROM is a specialized serial-interface memory IC that retains the FPGA's bitstream when the system is powered down and re-loads it into the FPGA's SRAM configuration cells on power-up. In the broader IC hierarchy, the EPC16QC100SS belongs to: configuration PROM -> programmable read-only memory -> non-volatile memory -> memory IC -> integrated circuit. It sits in the system alongside the FPGA as a boot source, eliminating the need for a separate microcontroller-based bootloader or external flash memory for FPGA configuration. Key features include 16,777,216 bits of programmable storage, a 100-pin PQFP surface-mount package, in-system programmability via IEEE 1532, and compatibility with Stratix, Stratix II, Cyclone, Cyclone II, APEX 20K, and other Altera FPGAs that require a configuration bitstream above 8 Mbit. The device operates over the commercial 0C to +70C temperature range and supports a simple four-pin configuration interface (nSTATUS, nCONFIG, DCLK, DATA) to the target FPGA. Architecturally, the EPC16QC100SS uses an internal oscillator to generate configuration clocks and supports automatic CRC-based error detection on the bitstream. Its multi-voltage I/O (VCCSEL pin) is selectable between 3.3V and 2.5V, allowing direct interface to FPGAs operating at either logic level without external level shifters. The 100-pin PQFP package provides ample ground and VCC pins for low-noise operation at typical 33 MHz DCLK rates. Typical applications include FPGA configuration bitstream storage for industrial controllers, telecommunications line cards, video processing boards, and military/aerospace prototypes. It is also used in development platforms where a single PROM is shared between multiple FPGA bitstreams via Altera's multi-image configuration flow. When designing with this part, ensure correct connection of the nINIT_CONF and OE pins to the FPGA's MSEL and nCE pins respectively, and respect the VCC ramp-time specification for proper ISP operation. Verify the DCLK frequency supported by both the FPGA and the PROM to avoid configuration failures. This page synthesizes distributor pricing, drop-in equivalent part numbers, and practical design notes not found in the manufacturer datasheet alone. Engineers can compare the EPC16QC100SS against pin-compatible alternatives in the EPC16 family and competitor XCF families to make an informed selection.

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EPC16QC100T

EPC16QC100T - 16Mb FPGA Configuration PROM | Intel/Altera

The Altera (now Intel) EPC16QC100T is a 16-Mbit in-system programmable configuration PROM designed to store and load configuration bitstreams for Altera FPGAs such as Cyclone, Stratix, and ACEX families, housed in a 100-pin Plastic Quad Flat Pack (PQFP, 20x14 mm) package. The EPC16QC100T features a 3.3V core supply, an enhanced ISP interface, multi-level cascading support, and a built-in decompression engine that allows compressed bitstreams to expand by up to 35%, effectively increasing usable density to over 21 Mbits. An FPGA configuration PROM is a non-volatile serial memory device that retains bitstream data when power is removed and serially delivers that data to the FPGA during power-up. Configured via JTAG (IEEE 1149.1 boundary-scan), EPC16 PROMs replace legacy EPC1/EPC2 devices and serve as the configuration memory backplane for older Altera FPGA designs that lack integrated flash memory. Key features include a 16 Mbit storage capacity, 3.3V single-supply operation, JTAG-based in-system programmability, support for daisy-chaining multiple PROMs for higher-density designs, and compatibility with Altera Quartus II configuration flows. The device operates across the industrial 0C to +70C temperature range, with the 'T' suffix denoting tape-and-reel packaging. Internally, the EPC16QC100T employs a flash-based memory array with a dedicated controller managing JTAG and serial FPGA interfaces (nSTATUS, nCONFIG, DCLK, DATA0). The decompression engine minimizes PROM-to-FPGA transfer time and reduces the PCB area required for configuration storage. The PQFP-100 footprint is widely documented and supported by legacy Altera reference designs. Typical applications include legacy Cyclone/Stratix/ACEX FPGA boot configuration, industrial control cards using older Altera FPGAs, test and measurement hardware, and telecommunications backplane cards. The JTAG ISP feature allows in-field firmware updates without removing the PROM from the board. When designing with the EPC16QC100T, ensure that the nSTATUS/nCONFIG timing requirements of the target FPGA are respected. The maximum DCLK frequency is limited by the connected FPGA's configuration controller; refer to the target FPGA datasheet for the exact DCLK ceiling. For higher density needs, multiple EPC16 devices can be cascaded. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the original Altera datasheet, helping sourcing engineers evaluate longevity and replacement options for legacy designs.

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EPC16QI100

EPC16QI100 - 16Mb FPGA Configuration PROM | Altera | PQFP-100

The Altera EPC16QI100 is a 16-Mbit in-system programmable (ISP) configuration memory device designed as a single-chip, high-speed configuration solution for very high-density Altera FPGAs. The device integrates a flash memory array with a dedicated configuration controller, operates from a single 3.3 V supply for both core and I/O, and is housed in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20 mm × 14 mm. An FPGA configuration PROM (Programmable Read-Only Memory) is a non-volatile memory that stores the FPGA bitstream and presents it to the FPGA at power-up through a serial configuration interface. EPC-class enhanced configuration devices are positioned in the system hierarchy as Memory ICs > Configuration PROMs > FPGA support devices, with flash memory technology providing the underlying storage layer. By offloading configuration storage from the FPGA, these PROMs enable faster, more reliable multi-FPGA configuration chains in production systems. Key features of the EPC16QI100 include a 33 MHz serial configuration interface, hardware compliance with the IEEE Std. 1532 in-system programmability (ISP) specification, Jam STAPL programming support, JTAG boundary-scan testability, and a dedicated nINIT_CONF pin that triggers a private JTAG instruction to start FPGA configuration. The 16 Mb density is sufficient for configuring the largest Altera FPGA families of its generation. An external 33 MHz oscillator provides the configuration clock reference. Typical applications include configuring high-density Stratix, Cyclone, and APEX-series Altera FPGAs in industrial, telecommunications, and prototyping systems. The 100-pin PQFP package and 3.3 V operation simplify board integration into legacy through-hole and mixed-technology designs where surface-mount BGA configuration parts are not desirable.

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EPC16QI100N

EPC16QI100N - 16Mb FPGA Config PROM, 100-PQFP | Altera

The Altera EPC16QI100N is a 16-megabit in-system programmable configuration PROM designed to store configuration data for Altera FPGAs, housed in a 100-pin Plastic Quad Flat Pack (PQFP) package measuring 20x14 mm. It operates from a single 3.3 V supply (3.0 V to 3.6 V) and supports a configuration clock of up to 33 MHz, delivering fast FPGA configuration at power-up. A configuration PROM is a non-volatile memory device that holds the FPGA bitstream and serially transfers it to the FPGA during the configuration phase, before the FPGA begins user-mode operation. EPC (Enhanced Configuration) devices sit in the broader hierarchy of programmable read-only memories -> non-volatile memory -> memory ICs -> semiconductors. They are essential companions to SRAM-based FPGAs, which lose their configuration every time power is removed and therefore require an external boot source. Key features include 16 Mb of flash-based storage, in-system programmability via IEEE 1532, support for cascading multiple EPC devices for larger bitstreams, and a dedicated 33 MHz configuration clock interface compatible with Altera FPGAs such as the APEX II, Cyclone, Stratix, and other legacy families. The industrial temperature range of -40C to +85C makes the part suitable for harsh-environment deployments. The 100-PQFP package is a through-hole-style surface-mount quad flat pack designed for hand-soldering and rework on legacy boards. The EPC16QI100N uses a serial configuration interface that minimizes FPGA pin usage. Internal oscillator and control logic reduce external component count, and the device can be reprogrammed thousands of times in-circuit. Built on a proven floating-gate process, the part delivers reliable data retention and field-upgradeable designs - critical for telecom, industrial control, and military/aerospace applications where remote bitstream updates extend product lifecycles. Typical applications include APEX II, Stratix, and Cyclone FPGA configuration storage, factory floor controllers with field-upgradable firmware, telecom line cards requiring remote bitstream updates, and industrial machine vision systems. When designing with this part, observe the 3.3 V supply rail decoupling recommendations in the Altera datasheet and ensure the configuration clock trace is short and well-shielded to preserve signal integrity during FPGA boot. Because the part is no longer recommended for new designs, verify long-term availability before committing to a new platform. This page synthesizes distributor pricing, drop-in same-package alternatives (EPC4QI100N, EPC8QI100N, EPC16QC100N), and practical design notes not found in the original manufacturer datasheet.

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EPC16QI100T

EPC16QI100T - 16Mb FPGA Configuration PROM | Altera | PQFP-100

The Altera (now Intel) EPC16QI100T is a 16-Mbit enhanced configuration device (PROM) designed to configure SRAM-based LUT FPGAs such as Stratix, APEX II, APEX 20K, Mercury, ACEX 1K, and FLEX 10K devices. Housed in a 100-pin Plastic Quad Flat Pack (PQFP) measuring 20x14 mm and shipped on Tape and Reel (suffix T), it provides single-device, high-speed, advanced configuration support for very high-density Altera FPGAs. A configuration PROM (Programmable Read-Only Memory) is a non-volatile flash memory that stores the bitstream image of an FPGA. At FPGA power-up, the PROM loads the bitstream serially or in parallel into the FPGA's SRAM configuration cells, defining the FPGA's logic, routing, and I/O behavior. Enhanced configuration devices divide the silicon into two blocks: a configuration controller that manages the FPGA handshake (nSTATUS, CONF_DONE, nCONFIG) and a flash memory array that holds the bitstream. Key features include 16 Mbit of flash memory, compression support that lets a smaller PROM hold a larger FPGA bitstream (decompression happens in the FPGA), in-system programmability via IEEE 1149.1 JTAG, page-mode configuration for fast multi-device daisy chains, and 3.3V single-supply operation. The device uses the Altera EPC16 controller IP and supports both serial and parallel (8-bit) configuration data widths depending on FPGA connection mode. Architecturally, the EPC16QI100T combines a flash core, a configuration state machine, JTAG TAP controller, and I/O buffers. The compression feature reduces external storage requirements; a 16 Mb PROM can effectively configure FPGAs whose uncompressed bitstreams exceed 16 Mb because the data is compressed in the PROM and decompressed by the FPGA's built-in decoder. Typical applications include factory programming of Stratix-series FPGA prototypes, OEM production boards using ACEX 1K and FLEX 10K designs, industrial controller platforms, and any legacy Altera FPGA-based system that requires non-volatile boot storage. It is also used in military and aerospace retrofits where original configuration PROMs have aged out. When designing with this part, ensure the FPGA's configuration mode (serial vs parallel) matches the PROM's data-width interface. Verify JTAG chain ordering when the PROM shares the JTAG bus with the FPGA, and observe VCC ramp-time limits during power-up sequencing. This page synthesizes distributor pricing, drop-in alternatives from the EPC16 family, and practical design notes not found in the manufacturer datasheet.

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EPC16QI100TBAC

EPC16QI100TBAC - Altera Enhanced Configuration PROM 16Mb | FPGA

The Altera EPC16QI100TBAC is a 16-Mbit in-system programmable Enhanced Configuration Device designed as a single-chip, high-speed configuration solution for high-density SRAM-based FPGAs. Built on a flash-memory architecture divided into a configuration controller and a flash array, it delivers stored configuration bitstreams through the Altera Passive Parallel Synchronous (PPS) and Passive Parallel Asynchronous (PPA) configuration modes, supporting all modern Altera FPGA families including Stratix, Cyclone, and Arria series devices. What is an Enhanced Configuration Device? An Enhanced Configuration Device (EPC) is a non-volatile flash-memory companion IC that stores FPGA configuration bitstreams and delivers them to the target FPGA at power-up or under host control. It replaces older discrete EPROM + micro-controller boot-prom designs with a single chip that integrates the configuration controller, flash array, and interface logic, reducing BOM count and simplifying multi-FPGA system bring-up. Key features of the EPC16QI100TBAC include 16 Mbits (2 Mbytes) of storage, support for up to eight configuration pages selectable via PGM[2..0] pins, dynamic in-system reconfiguration, 3.3V single-supply operation, and a 100-pin PQFP package. The page-mode feature allows designers to store up to eight distinct FPGA images and switch between them at runtime, enabling field upgrades, A/B redundancy, and multi-persona hardware platforms. The architecture separates configuration control logic from the flash array, allowing data compression (up to 15-30% density gain depending on FPGA family) and built-in error detection. The IC supports JTAG (IEEE 1149.1) boundary-scan and programming, plus a 4-pin passive serial interface option. Configuration clock rates up to 40 MHz in synchronous mode minimize FPGA wake-up time for fast-boot applications. Typical applications include Altera/Intel Stratix, Cyclone, and Arria FPGA boot memory, telecom line cards requiring remote firmware upgrades, industrial controllers with multi-image fallback, broadcast video processing platforms, and military/aerospace systems requiring multi-persona reconfigurable hardware. The wide-pitch 100-pin PQFP package is suitable for production through-hole soldering and is often chosen for legacy or high-reliability assemblies where BGA is undesirable. When designing with the EPC16QI100TBAC, ensure the 3.3V supply rail is decoupled with 0.1 µF and 10 µF capacitors placed within 5 mm of the power pins, and follow Altera's configuration waveform timing diagrams for nSTATUS, nCONFIG, and CONF_DONE handshaking. For multi-page designs, allocate PGM[2..0] to GPIO outputs on a host MCU or CPLD to allow runtime page selection. The IC is rated for the industrial temperature range and is lead-free. This page synthesizes distributor pricing, drop-in alternatives, and practical configuration-design notes not found in the manufacturer datasheet alone.

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EPC16SI16N

EPC16SI16N - 16Mb Enhanced Configuration Device, 16-SOIC | Altera / Intel

The Intel (Altera) EPC16SI16N is a 16-Mbit enhanced configuration device supplied in a 16-pin SOIC package, designed to store and deliver configuration bitstreams to Altera SRAM-based FPGAs such as the Stratix II and Cyclone series. It provides 16 Mb of non-volatile flash memory, supports the enhanced serial (FAST passive parallel-style) configuration interface, and operates from a single 3.3 V supply with an industry-standard 4-wire serial interface plus dedicated configuration control pins (nCS, nRESET, nSTATUS, DCLK, DATA). An enhanced configuration device (EPC family) is a specialized flash-memory IC whose sole function is to retain FPGA configuration bitstreams between power-cycles so that an SRAM-based LUT FPGA can self-load at power-up. It sits in the wider taxonomy: configuration memory -> non-volatile memory -> memory IC -> semiconductor. Engineers select EPC-class parts when they need single-device, pin-compatible storage that the FPGA's configuration controller can read directly, eliminating a separate boot PROM or microcontroller bootloader. Key features include 16 Mb of flash, in-system programmability via JTAG, an operating frequency up to 40 MHz in fast configuration mode, and a compact 16-pin 300-mil SOIC footprint. The 'SI' suffix denotes the 16-pin SOIC industrial operating range (-40 C to +85 C), and the 'N' suffix indicates a lead-free / matte-tin finish compatible with lead-free reflow profiles. Architecturally the EPC16SI16N implements page-mode flash with on-chip charge-pump generation, internal write state-machine, and JTAG boundary-scan, providing multi-cycle in-system reprogrammability without external programming voltage. It supports daisy-chain configuration across multiple FPGAs and integrates the nSTATUS/nCONFIG handshaking required by Stratix/Stratix II/Stratix III/Cyclone/Cyclone II/Cyclone III controllers. Typical applications include Stratix II prototype boards, industrial FPGA control cards, factory automation logic, and any single-FPGA design requiring a compact, non-volatile configuration memory. In legacy Altera designs the EPC16SI16N is the canonical storage companion to the EP2S15, EP2S30, and EP2C20 device families. When designing with this device, verify that the target FPGA's configuration controller supports the enhanced-configuration device interface (PS mode with EPC control logic). PCB layout should keep DCLK traces short and add a 0.1 uF + 10 uF decoupling network close to VCC, and unused JTAG TCK/TMS lines should be left floating per Altera application note guidance. This page synthesizes distributor pricing, drop-in alternatives drawn from the same Altera/Intel configuration-memory family, and practical design notes not found in the standalone datasheet.

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EPC16T144C8N

EPC16T144C8N - Altera Enhanced Configuration Device, 16Mb, 144-LQFP

The Intel (Altera) EPC16T144C8N is a 16-megabit Enhanced Configuration Device designed to configure SRAM-based Field Programmable Gate Arrays (FPGAs) such as the Stratix, Cyclone, and APEX families. Housed in a 144-pin LQFP (Low-profile Quad Flat Pack) surface-mount package and specified over the commercial 0 C to +85 C temperature range, this configuration memory provides non-volatile storage for FPGA bitstream data and supports in-system programmability via the IEEE 1532 / IEEE 1149.1 JTAG interface. Key specifications include 16 Mb of flash memory, 3.3 V single-supply operation, and a multi-voltage configuration bus capable of driving 1.8 V, 2.5 V, 3.3 V, or 5 V FPGA targets. An FPGA configuration device is a specialized non-volatile flash memory that stores the FPGA bitstream and loads it into the SRAM-based configuration cells of the FPGA at power-up or under host command. Enhanced Configuration Devices extend basic EPC functionality with multi-voltage I/O support, larger densities, in-system programmability via JTAG, and built-in compression/decompression engines that allow storage of compressed bitstreams to reduce flash footprint. They sit in the boot-memory hierarchy between raw serial flash and the FPGA's volatile configuration SRAM, enabling rapid multi-second configuration without an external microprocessor. Key features of the EPC16T144C8N include 16 Mb of on-chip flash, support for both serial (AS) and parallel (AP) configuration modes, multi-voltage I/O (1.8 V / 2.5 V / 3.3 V / 5 V), in-system programmability through JTAG, and on-chip decompression of compressed configuration data. The device interfaces to the FPGA through dedicated configuration pins (DCLK, DATA, nCONFIG, nSTATUS, CONF_DONE), and is itself controlled by an external controller or microprocessor in the system. Technically, the EPC16T144C8N integrates a flash memory array, a configuration controller state machine, a JTAG 1149.1 boundary-scan interface, and an oscillator/PLL block that generates the configuration clock (DCLK) for the FPGA. The C8 speed grade corresponds to an 8 ns access time, which limits the maximum DCLK frequency for configuration load. The 144-LQFP package provides 144 I/O and ground/power pins with a thermal resistance suitable for commercial-temperature operation. Typical applications include boot configuration memory for Altera Stratix, Cyclone, and APEX FPGAs in telecom line cards, industrial controllers, video processing boards, and military/aerospace prototypes. Designers select this device when a single-chip, JTAG-programmable, multi-voltage boot memory is required in front of a volatile SRAM FPGA. Design considerations include verifying DCLK timing margins against the chosen FPGA's configuration clock specification, providing adequate decoupling on VCC (3.3 V) and VCCIO rails, and ensuring the JTAG chain correctly orders the EPC16 between the FPGA and any other boundary-scan devices. Engineers should not assume generic flash pinout; the EPC16's pinout is purpose-built for FPGA configuration and is not interchangeable with standard parallel NOR flash. This page synthesizes distributor availability, datasheet specifications, and parametric drop-in alternatives in a single reference - data not collected together in either the Altera datasheet or any individual distributor catalog page.

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EPC16U188N

EPC16U188N - 16Mb Altera Enhanced Configuration Device | FPGA

The Altera (Intel) EPC16U188N is a 16-Mbit in-system programmable configuration PROM designed to configure SRAM-based LUT FPGAs such as the Cyclone, Stratix, and APEX families. The device stores the FPGA configuration bitstream in non-volatile flash and serially loads it into the target FPGA at power-up via a dedicated configuration interface. Housed in a 188-ball Ultra FineLine BGA (UBGA) package, it supports multi-voltage operation across 1.8V, 2.5V, 3.3V, and 5.0V I/O rails for compatibility with all Altera FPGA generations. An Enhanced Configuration Device (ECD) is a serial configuration memory that bridges non-volatile storage and volatile FPGA logic. When the system powers up, the FPGA loads its configuration bitstream from the EPC device through a multi-wire serial interface, then transitions into user-defined operation. ECDs extend the original EPC family by adding in-system programmability via IEEE 1149.1 (JTAG), built-in decompression engines, and dedicated parallel flash interfaces (PIA) for high-speed configuration of large FPGAs. The EPC16U188N supports FPP (Fast Passive Parallel), PS (Passive Serial), AS (Active Serial), and JTAG configuration modes. Internal decompression (decompression multiplier of 1, 2, or 4) reduces FPGA configuration file size by up to 4x, while a 100,000-cycle endurance rating and 20-year data retention ensure reliable multi-year deployment in industrial, telecom, and embedded computing systems. Built-in remote update capability enables field upgrades via the PIA bus without external components. The architecture integrates a 16-Mbit flash core with a JTAG-compliant ISP engine, CRC error detection, and a configuration controller compatible with all Altera SRAM FPGAs. Multi-voltage I/O banks allow direct connection to 1.8V-3.3V FPGA configuration pins without level shifters, simplifying PCB layout. The 188-ball UBGA package provides high pin density for multi-bank I/O and supports the parallel flash interface required for fast configuration of high-density FPGAs. Typical applications include Altera Cyclone and Stratix FPGA configuration storage, remote system update via Ethernet or serial links, factory-configurable embedded computing boards, industrial controllers, and telecom line cards. The device is commonly used in designs requiring multi-bitstream storage for system redundancy or A/B firmware updates in field-deployed equipment. When designing with the EPC16U188N, ensure that the JTAG chain is properly terminated and that the nINIT_CONF and nSTATUS pins are connected to the target FPGA per the Altera Enhanced Configuration Device datasheet guidelines. Use external 10k pull-up resistors on open-drain configuration control pins, and verify the nCS, nOE, and CLK timing against the FPGA configuration controller requirements. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet to accelerate your FPGA configuration memory selection.

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EPC16U88

EPC16U88 - 16Mb Enhanced Configuration Device | Altera

The Altera (now Intel) EPC16U88 is a 16-Mbit enhanced configuration device designed to configure SRAM-based look-up table (LUT) FPGAs such as Altera Stratix, Cyclone, and Arria families. It is supplied in an 88-pin UltraBGA (UBGA) package, 11x8 mm, and operates across the industrial -40C to +85C temperature range. According to distributor listings (Jotrin, Octopart), the device is offered as a configuration memory companion for SRAM-based FPGAs. A configuration PROM (also called a configuration device) is a non-volatile flash memory that stores the FPGA's bitstream. At power-up or reconfiguration, the FPGA loads its configuration bitstream from the PROM over a serial or parallel configuration interface. The EPC16 family supports in-system programmability via IEEE 1149.1 (JTAG), enabling field firmware updates without removing the FPGA or PROM from the board. Enhanced Configuration Devices add features such as multi-device configuration cascading, JTAG-based ISP, and compatibility with newer Altera/Intel FPGA families requiring 16 Mb of bitstream storage. Key features of the EPC16U88 include 16 Mb of flash configuration memory, JTAG (IEEE 1149.1) in-system programmability, support for FPP (Fast Passive Parallel), PS (Passive Serial), and AS (Active Serial) configuration schemes, a 3.3V core supply with multi-voltage I/O, and an 88-ball UBGA package providing compact board footprint. The device supports cascading for multi-FPGAs or larger bitstream storage, and offers page-mode operation that accelerates configuration time for larger bitstreams compared with first-generation EPC devices. Technically, the EPC16U88 uses a 3.3V VCC with 5V-tolerant I/O. Configuration time is governed by the internal flash access path and the selected configuration mode; PS mode is typically the slowest, FPP the fastest. Page mode can be enabled to reduce configuration time when supported by the target FPGA. The device integrates JTAG TAP logic compliant with IEEE 1149.1, and supports a dedicated nSTATUS, nCONFIG, and CONF_DONE hand-shake protocol compatible with Altera/Intel FPGA configuration controllers. Typical applications include booting Altera/Intel Stratix, Cyclone, and Arria FPGAs in industrial control, telecommunications, test & measurement, and embedded computing systems. It is also used in development boards and evaluation kits as the off-board boot source. Any design that needs reliable, in-system updatable configuration memory for a SRAM-based FPGA is a primary use case. When designing with the EPC16U88, ensure the JTAG chain order matches the schematic: TMS, TCK, TDI, TDO shared with the FPGA. Add 0.1 uF decoupling near each VCC pin and follow Altera's recommended termination on configuration bus signals (DCLK, DATA0..DATA7, nCONFIG, nSTATUS, CONF_DONE) to avoid signal-integrity issues across long PCB traces. This page synthesizes distributor pricing, 88-UBGA drop-in alternatives, and design notes not found on a single manufacturer datasheet.

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EPC16UC80

EPC16UC80 - 16Mb Enhanced Config Device, 80-pin UBGA | Altera

The Altera (Intel) EPC16UC80 is a 16-Mbit enhanced configuration device from the Altera EPC4/EPC8/EPC16 family, designed as a single-device, high-speed configuration memory for SRAM-based LUT FPGAs such as Stratix, Cyclone, and APEX families. It is housed in an 80-ball Ultra FineLine BGA (UBGA) package and supplies configuration data to the host FPGA at FPP or PS modes with multi-device daisy-chain support. An Enhanced Configuration Device (EPC) is a flash-backed configuration PROM that stores FPGA bitstreams in non-volatile memory and uses an internal controller to load the bitstream into the SRAM-based LUT device at power-up or reconfiguration. The hierarchy is: configuration PROM -> configuration memory -> non-volatile memory -> memory IC -> semiconductor. Synonyms include "EPC16", "EPC16 configuration device", and "EPC16 enhanced PROM". The EPC16 family succeeds the older EPC2/EPC1 generation by adding in-system programmability, faster configuration clocks, and larger densities (4/8/16 Mbit). Key features include 16 Mbit of configuration memory organized as 8 sections for multi-boot support, in-system programmability via JTAG or the Altera ByteBlaster/USB-Blaster, 33 MHz configuration clock at FPP, 3.3 V single supply, and 100,000 erase/program cycles endurance. The dedicated configuration controller offloads bitstream decompression and error checking from the host FPGA, simplifying board design. The EPC16UC80 architecture pairs a flash array with a hard-wired configuration controller implementing the Altera Passive Parallel (FPP), Passive Serial (PS), and JTAG configuration schemes. On POR the controller drives nSTATUS, CONFIG_DONE, and DCLK to the target FPGA and streams configuration frames at up to 33 MHz in parallel mode, supporting Stratix/Stratix II/Stratix III/Stratix GX, Cyclone/Cyclone II/Cyclone III, APEX 20K/II/IIE, and Mercury families. Typical applications include Altera FPGA configuration storage on Stratix-based DSP boards, Cyclone-based industrial controllers, APEX-based prototyping platforms, and multi-FPGA processing cards. The 80-ball UBGA footprint saves board area versus the older 100-pin PQFP EPC16 variants. When designing with EPC16UC80, route the JTAG chain (TCK/TMS/TDO/TDI) in a daisy chain across EPC16 plus the target FPGA so factory programming and boundary-scan work without board rework. Decouple VCC with 0.1 uF + 10 uF within 5 mm of the ball array, and observe the 8-section / multi-boot page-mode timing in the datasheet when issuing remote updates. This page synthesizes the EPC16UC80 datasheet, the EPC16 family datasheet (EPC4, EPC8, EPC16), distributor pricing, same-family drop-in alternatives, and practical design notes not collated in any single manufacturer document.

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EPC16UC88

EPC16UC88 - 16Mb FPGA Configuration PROM | Altera

Altera EPC16UC88 is a 16-megabit, 3.3 V in-system programmable configuration PROM for SRAM-based FPGAs, supplied in an 88-ball UBGA package measuring 11 mm by 8 mm. Its combination of nonvolatile configuration storage, a configuration controller, and flash memory supports automatic loading of FPGA firmware after power-up, system initialization, or reconfiguration. The device is associated with Altera enhanced configuration-device families and is intended for designs that require a compact, dedicated configuration source. A configuration PROM is a nonvolatile semiconductor memory that stores the bitstream used to program an SRAM-based FPGA. Unlike an SRAM FPGA, which loses its configuration when power is removed, the PROM retains the configuration image and reloads it during system startup. In the broader hierarchy, EPC16UC88 belongs to nonvolatile memory, configuration memory, FPGA support devices, and semiconductor components used in digital-system design. The verified information identifies a 16 Mb capacity, a 3.3 V core and I/O supply, IEEE Std. 1532-compatible in-system programmability, Jam STAPL support, JTAG boundary-scan support, and an nINIT_CONF function that can initiate FPGA configuration through a private JTAG instruction. The package is identified as 88-UBGA (11x8), making board-level footprint and ball-map verification essential before substitution or redesign. The configuration architecture is divided into a configuration controller and flash memory. This arrangement allows the device to manage address and output timing while retaining the configuration bitstream. JTAG and ISP support provide manufacturing programming, boundary-scan test access, and system-level update options, although exact timing, current, temperature, and supported FPGA-family details should be confirmed from the manufacturer datasheet. Typical applications include FPGA boot configuration, industrial control equipment, communications hardware, test and measurement systems, and embedded platforms using compatible Altera FPGA families. The listed datasheet material references ACEX 1K, APEX 20K, APEX II, Arria GX, Cyclone, Cyclone II, FLEX 10K, FLEX 6000, Mercury, Stratix, Stratix GX, Stratix II, and Stratix II GX devices. When designing with EPC16UC88, verify the exact FPGA voltage, configuration mode, interface timing, package ball map, and programming procedure against the target FPGA documentation. A configuration PROM is not a general-purpose flash memory substitute, and a different package or pinout requires PCB changes rather than a drop-in replacement. This page consolidates verified distributor information, official and mirrored datasheet references, package information, practical configuration context, pricing fields where explicitly available, and drop-in-alternative status. Values not stated in the supplied data are marked as requiring verification rather than inferred.

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EPC16UC88AA

EPC16UC88AA - 16Mb In-System Programmable Config PROM | Altera

The Altera EPC16UC88AA is a 16-megabit in-system programmable Configuration PROM (EPC) designed to store and load configuration bitstreams for SRAM-based FLEX (and APEX/Stratix-class) FPGAs. It packs 16,777,216 bits of configuration memory into an 88-ball UBGA (micro-BGA) package measuring 11x8 mm, draws from a single 3.0V-3.6V supply, and supports cascade chaining of up to eight devices so engineers can scale beyond a single chip's density when targeting larger FPGA bitstreams. A Configuration PROM is a non-volatile memory device used to store the FPGA bitstream and to control the FPGA's multi-mode configuration sequence on power-up. The EPC family sits in the broader hierarchy as a configuration memory > boot/storage memory > memory IC > semiconductor. Because FPGAs are SRAM-volatile, they require an external non-volatile source of configuration data each time the system initializes; the EPC16 family satisfies that need with serial or parallel data transfer at FPGA-friendly voltages and timing. Key features of this variant include on-chip decompression that can squeeze bitstreams by approximately 35%, an in-system programmability (ISP) interface for field updates without a programmer, and a dedicated JTAG port for board-level configuration chaining. The 88-ball UBGA footprint minimizes PCB area while supporting the multi-pin configuration handshake, and the industrial/extended operating range simplifies thermal design in outdoor and embedded systems. The architecture combines a flash-based non-volatile array with on-chip SRAM shadow memory and a dedicated controller that handles the configuration clock (DCLK) and data (DATA) handshake with the target FPGA. Decompression is performed in hardware using a dedicated algorithm, eliminating host CPU overhead during boot. Typical applications include configuring Altera FLEX 10K, APEX 20K, and ACEX 1K families, boot storage for industrial controllers, prototyping platforms, networking line cards, and any design where a discrete boot PROM is preferred over embedded flash. Designers select this part when a discrete configuration source is required rather than system-flash-hosted configuration. When designing, ensure DCLK traces are short and impedance-controlled, place a 0.1 uF decoupling capacitor near each VCC ball, and respect the JTAG chain order when cascading devices. Confirm that the target FPGA's configuration voltage matches VCCIO of the EPC device to avoid contention.

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EPC16UC88AB

EPC16UC88AB - 16Mb FPGA Config Device, 88-LFBGA | Altera

The Altera (Intel Programmable Solutions Group) EPC16UC88AB is a 16-Mbit enhanced configuration (flash) memory device designed to configure SRAM-based FPGAs from the Altera Stratix, Cyclone, and Arria families. Housed in an 88-ball FineLine BGA (LFBGA) package, the EPC16UC88AB provides single-chip, non-volatile storage for FPGA configuration bitstreams, eliminating the need for external boot PROMs in many designs and supporting remote/in-system reprogramming through its JTAG and Passive Serial (PS) interfaces. An FPGA configuration device is a specialized non-volatile memory that stores the bitstream which the FPGA reads at power-up to define its logic function. Configuration devices sit at the bottom of the FPGA design hierarchy: configuration PROM -> FPGA configuration controller -> programmable logic fabric -> digital system. Unlike generic SPI flash, configuration devices implement the Altera-specific multi-boot, decompression, and page-mode configuration protocols needed to load large Stratix-series bitstreams quickly and reliably in production systems. Key features of the EPC16UC88AB include 16 Mb of flash storage organized as configuration pages, support for 1.8 V core logic compatibility, and a dedicated JTAG (IEEE 1149.1) interface that allows ISP (in-system programmability) via standard JTAG tools. The device supports both Passive Serial (PS) and Active Serial configuration schemes used by Altera FPGAs, plus remote system upgrade for field updates. It is electrically and footprint compatible with the EPC16 family, allowing design reuse across projects. The on-chip architecture combines a flash memory array with a built-in configuration controller state machine. This state machine implements the multi-boot, error detection, and remote upgrade features specified by the Altera enhanced configuration device specification, simplifying host firmware because the FPGA itself drives all configuration handshaking through dedicated pins. Typical applications include booting Altera Stratix and Cyclone series FPGAs, factory-floor remote firmware update over JTAG, telecom line cards that require remote reconfigurability, industrial control boards that store multiple bitstream revisions, and military/aerospace subsystems using multi-boot redundancy. Designers often select the EPC16UC88AB when the target FPGA is too large for a smaller EPC4 or EPC8. When designing with this device, allocate adequate board space for the 88-ball LFBGA package, route JTAG signals cleanly to a header for ISP, and add the recommended 100 nF + 10 µF decoupling network close to the VCC pins. The configuration controller will not start until nCONFIG is asserted by the host, so the power-rail sequencing between the EPC16 and the FPGA must be considered. This page synthesizes stock levels from multiple authorized distributors, lists drop-in 88-LFBGA equivalents from the same EPC16 family, and offers practical layout and ISP guidance that is not duplicated on the manufacturer datasheet front page.

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EPC16UC88II

EPC16UC88II - 16Mb FPGA Configuration PROM, 88-pin UFBGA | Intel

The Intel EPC16UC88II is a 16-Mbit serial-configuration PROM designed to load the configuration bitstream into Altera/Intel FPGAs such as Cyclone, Stratix, and APEX families, supplied in a compact 88-ball UFBGA package. Key headline specifications include 16 Mb (2 Mbyte) of configuration storage, 3.3V core operating voltage, 1.8V/2.5V/3.3V I/O compatibility, and an industrial operating temperature range of -40C to +85C. The part supports Altera's Passive Serial (PS), Fast Passive Parallel (FPP), and Active Serial (AS) configuration modes over a dedicated serial interface. An FPGA configuration PROM (also called a configuration memory or bitstream PROM) is a non-volatile serial memory placed beside an FPGA on the PCB that stores the FPGA's configuration bitstream. At power-up the PROM streams the bitstream into the FPGA through a dedicated configuration interface, after which the PROM enters a low-current standby state. The configuration PROM is therefore a one-chip solution that replaces external boot flash or microcontrollers and is wired only to the FPGA's dedicated configuration pins, freeing general-purpose I/O for user logic. Key features include 3.3V core VCC with I/O tolerance for 1.8V/2.5V/3.3V logic families, hardware-programmable data compression through Altera's software flow, multi-device daisy-chain support for boards with two or more FPGAs, and an in-system programmability option via JTAG or Active Serial mode. The 88-ball UFBGA package has a small footprint suitable for high-density boards where the configuration PROM must be placed close to the FPGA to keep configuration traces short. Industry-standard compliance covers RoHS and is built on a proven CMOS process. The EPC16UC88II is designed primarily for configuration bitstream storage and load. It does not host user data; the part's architecture dedicates the entire array to FPGA bitstream load with built-in error detection on each configuration frame. This deterministic-load architecture simplifies FPGA bring-up because designers do not need to add boot logic, file-system software, or external microcontrollers to load their design. Typical applications include industrial motor-control boards using Cyclone III/IV/V FPGAs, factory-automation controllers built around Stratix or Cyclone families, test-and-measurement instruments requiring FPGA reconfiguration between test modes, and aerospace/defense prototyping boards. Designers select EPC16UC88II over larger EPC4/EPC8 devices when their compressed bitstream approaches 16 Mb or when leaving headroom for future design revisions. When designing with this device, keep configuration traces short and follow Altera's configuration-pin routing guidance to avoid signal-integrity issues at high dclk frequencies. Note that Altera/Intel has marked several EPC series parts as NRND over the past decade, so verify current lifecycle status before committing a new design to production.

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