Circuitos Integrados

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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EPC16UC88N

EPC16UC88N - 16Mb In-System Prog Config PROM | Altera | FPGA

The Altera EPC16UC88N is a 16-megabit (16,777,216-bit) in-system programmable Enhanced Configuration (EPC) device for high-density Altera FPGAs, supplied in an 88-pin Ultra FineLine Ball-Grid Array (UBGA, 11x8 mm) package and operating from a 3.0V to 3.6V single supply. It combines a flash-memory array with a dedicated configuration controller to deliver single-device, high-speed configuration for Stratix, Cyclone, and APEX families via Altera's passive-serial (PS), passive-parallel-synchronous (PPS), passive-parallel-asynchronous (PPA), and JTAG modes. An Enhanced Configuration (EPC) device is a special-purpose configuration memory that stores FPGA bitstreams and serially or in parallel loads them into the FPGA at power-up or under JTAG command. EPC devices sit below FPGAs and CPLDs in the programmable-logic configuration hierarchy, providing non-volatile bitstream storage that replaces discrete boot PROMs and enables remote in-field reprogramming, multi-image storage, and design revision control. Key features of the EPC16UC88N include 16 Mb of on-chip flash, on-chip decompression support (including Altera's remote-system-update and dual-image modes), a built-in oscillator, JTAG boundary-scan and ISP, low standby current with a dedicated power-down mode, and bus-hold on data lines. The device is supplied in an 88-ball UBGA (11x8 mm) fine-pitch BGA, which is compatible with Altera's high-pin-count configuration-device footprint. Typical applications include storing configuration bitstreams for Altera Stratix II, Stratix, Cyclone II, Cyclone, and APEX 20K/20KE FPGAs in telecom, industrial-control, and embedded-computing boards, as well as remote-field-upgrade systems where the EPC16UC88N can hold two bitstreams and switch between them on the next power cycle without external logic. Designers should note that the EPC16UC88N's 88-ball UBGA footprint is unique to the EPC16UC88 family - the EPC16QI100N uses a 100-pin PQFP/EQFP and is NOT pin-compatible. For new designs targeting cost-sensitive boards, designers often choose the smaller EPC8 (8 Mb) or newer EPCS serial configuration devices; choose the EPC16UC88N only when you need 16 Mb density and JTAG/parallel-configuration flexibility. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes that go beyond the data sheet's nominal spec tables, giving procurement and design engineers a one-stop reference.

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EPC16UC88NT

EPC16UC88NT - 16-Mbit FPGA Configuration PROM | Altera

Altera EPC16UC88NT is a 16-Mbit enhanced configuration device for SRAM-based FPGA and programmable-logic devices, supplied in the 88-ball Ultra FineLine BGA package identified in verified product listings as 88-UBGA, 11 mm by 8 mm. The verified source identifies EPC16UC88N as an in-system programmable configuration PROM with 16 Mbit capacity and the same 88-UBGA package. EPC16UC88NT belongs to the configuration-memory hierarchy: configuration PROM, nonvolatile memory, FPGA support memory, and semiconductor integrated circuit. A configuration PROM is a nonvolatile semiconductor memory used to store the bitstream that configures an SRAM-based FPGA whenever the system powers up, reinitializes, or requires new configuration data. Because SRAM-based logic devices lose programmed configuration when power is removed, the PROM provides persistent storage and transfers the configuration image during initialization. It is part of the broader system chain of nonvolatile memory, FPGA configuration interface, power sequencing, and programmable logic. The EPC16UC88 family is described by verified source material as an Enhanced Configuration Device with 16-Mbit Flash memory. Configuration data supports FPGA families including 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. The stored configuration is loaded into the target SRAM-based device through the FPGA configuration interface, allowing the host system to restore its programmed logic state without an external programming source. The EPC16UC88N distributor listing specifically describes an in-system programmable configuration PROM for FPGAs, with 16 Mbit memory and an 88-UBGA package measuring 11 mm by 8 mm. The target ordering code EPC16UC88NT is associated with the same EPC16UC88 configuration-device family, but the supplied verification does not establish every package-level suffix, temperature-grade, or pinout difference for the NT variant. The EPC16UC88 datasheet is a 36-page document in the provided AllDatasheet result, but the target ordering code should be checked against the applicable manufacturer ordering information before substitution. Typical applications include configuring legacy Altera FPGA development boards, industrial control systems using SRAM-based FPGAs, communications equipment requiring repeatable power-up configuration, and test systems that retain FPGA bitstreams outside the target device. The nonvolatile configuration function is especially useful when the FPGA must initialize into a known state after power cycling or when configuration data must be updated without replacing the target programmable device. When designing with EPC16UC88NT, verify the exact ball map, supported target FPGA family, configuration voltage, programming interface, and suffix-specific temperature information from the applicable manufacturer documentation. The verified data does not provide electrical ratings, timing values, absolute maximum limits, or a verified NT-specific pinout. Do not infer those values from the EPC16UC88 family name alone. This page combines the verified product description, package information, supported FPGA-family context, and purchasing sources. It also distinguishes confirmed facts from fields requiring manufacturer-document verification, helping engineers avoid treating a family-level specification as a target-suffix guarantee.

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EPC16UC88SS

EPC16UC88SS - 16-Mbit Config PROM for Altera FPGA | Intel

The Intel EPC16UC88SS is a 16-Mbit serial configuration device designed to store configuration bitstreams for Altera/Intel FPGAs. It uses a four-pin serial interface (nCS, DCLK, DATA, ASDI) to deliver compressed configuration data to the target FPGA on power-up, providing a flash-based single-chip alternative to legacy parallel PROMs and boot ROMs. Packaged in an 8-pin SOIC, the EPC16UC88SS supports multi-device configuration chains and is qualified for industrial and commercial operating temperature ranges. What is a configuration PROM? An FPGA configuration PROM (Programmable Read-Only Memory) is a non-volatile serial flash device that holds the FPGA's bitstream image and loads it into the FPGA's SRAM-based configuration cells at every power-up. In the broader taxonomy, EPC16 falls under: configuration memory -> non-volatile memory (NVM) -> serial flash -> PROM. Because SRAM-based FPGAs (Cyclone, Cyclone II, Cyclone III, Stratix, Stratix II, Stratix III, Arria families) lose their configuration when power is removed, the configuration PROM sits in the boot path as the source of truth for the design. The EPC16UC88SS supports Intel/Altera's compressed configuration format, enabling storage of larger designs in smaller memory. It cascades automatically in multi-device configuration chains through the nCS-OE daisy-chain and supports in-system programming via JTAG-compatible serial interface (AS mode) for board-level firmware updates. Programmable nINIT_CONF pin enables configuration of multiple FPGAs from a single PROM image. Architecturally, the device integrates a 16-Mbit NOR flash array with a serial configuration controller. Configuration time is dominated by DCLK frequency (up to 100 MHz in fast mode) and image size, with typical load times in the hundreds of milliseconds for Stratix-class bitstreams. Power consumption is dominated by read/program/erase operations. Typical applications include Altera Cyclone II / Cyclone III designs, Stratix II / Stratix III boot storage, Arria GX prototyping boards, and any Intel FPGA-based system requiring non-volatile configuration from a small-footprint serial memory. It also suits legacy parallel-to-serial configuration migration paths. When designing, pay close attention to the FPGA serial mode pin strapping (MSEL pins) and the DCLK series-termination value when running at the maximum 100 MHz clock rate. Use Intel's Quartus software to generate the .pof/.jic images, and verify the EPC16 supports the target FPGA family's compressed configuration scheme before committing to this part. This page synthesizes distributor stock and pricing data, drop-in compatible EPC16 family alternatives, and engineering design notes that go beyond the standard Intel datasheet presentation.

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EPC16UC88T

EPC16UC88T - 16Mb FPGA Config PROM | Altera

The Altera (now Intel) EPC16UC88T is a 16-Mbit in-system programmable configuration PROM designed to store and load configuration bitstreams for SRAM-based FPGAs such as Altera Cyclone, Stratix, and other LUT-based device families. Housed in an 88-ball UBGA package measuring 11 mm x 8 mm, the device provides serial-configuration compatibility at frequencies up to 33 MHz, supports 3.3 V single-supply operation, and uses a four-pin serial interface (nCS, DCLK, DATA, nINIT_CONF_DONE) that wires directly to the FPGA MSEL[2:0]-controlled configuration pins. An FPGA configuration PROM is a non-volatile serial Flash device that holds the FPGA bitstream and serially clocks it into the FPGA at power-up through the dedicated configuration port. The EPC16UC88T belongs to the Altera Enhanced Configuration Device family (EPC4, EPC8, EPC16) - the EPC16 is the largest-density member of this family, providing 16 Mbits of storage in a compact footprint, making it well suited for designs that have outgrown the EPC8 or EPC4 but still need a simple, robust, in-system programmable boot source. Key features include 16 Mb of Flash, 33 MHz maximum clock rate, in-system programmability via IEEE Std 1149.1 (JTAG), cascade support for higher density designs, and an nINIT_CONF_DONE open-drain status output that the FPGA can monitor during multi-PROM cascading. The 88-ball UBGA package is pin-compatible across the EPC4, EPC8, and EPC16 family, allowing designers to step up density without changing the PCB layout. The EPC16UC88T uses a 33 MHz DCLK-domain serial protocol, with the configuration data shifted out on the rising edge of DCLK and latched by the FPGA on the falling edge. Because the EPC16 family predates Altera's later serial quad-mode (EPCQ) and active serial (EPCS/EPCQ-A) families, designers migrating to newer Cyclone 10, MAX 10, or Cyclone V SoC devices must confirm JTAG-mode compatibility, as MSEL configuration modes have evolved. Typical applications include boot-configuration for legacy Cyclone, Cyclone II, Stratix, Stratix II, Stratix III, Stratix IV, Arria GX, and other SRAM-based Altera FPGAs; industrial control boards; telecommunications line cards; test and measurement equipment; military and aerospace form-fit-function retrofits; and any design that must store a multi-megabit FPGA bitstream outside the FPGA itself. The EPC16's 16 Mb capacity comfortably holds bitstreams for medium-to-large FPGAs in the early-2000s to mid-2010s generation. When designing with the EPC16UC88T, ensure the MSEL[2:0] pins on the FPGA are set to FPP or PS configuration mode compatible with 3.3 V EPC16 signalling, since mixing 1.8 V EPCQ-L devices with a 3.3 V EPC16 will damage inputs. JTAG chain ordering must place the EPC16 in the correct TAP position relative to the FPGA so the FPGA can reprogram the PROM in-system without contention. Decoupling: place a 0.1 uF ceramic capacitor directly under the package BGA balls on each VCC island to suppress switching noise during bitstream loading. This page synthesizes distributor pricing, same-family density alternatives, and practical configuration-design notes not found in the manufacturer datasheet, helping engineers source and validate the EPC16UC88T quickly.

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EPC16UC8B

EPC16UC8B - 16Mb FPGA Config Device, 8-Pin QFP | Intel/Altera

The Intel (formerly Altera) EPC16UC8B is an Enhanced Configuration Device in the EPC16 family, providing 16 Mb of non-volatile Flash memory used to configure SRAM-based lookup-table (LUT) FPGAs such as the Altera Cyclone, Stratix, and APEX families at system power-up. Packaged in an 8-pin QFP with 3.3V core supply and 1.8V/2.5V/3.3V I/O compatibility, the device supports the Fast Passive Parallel (FPP), Passive Parallel Synchronous (PPS), Passive Parallel Asynchronous (PPA), and Passive Serial (PS) configuration schemes. What is an Enhanced Configuration Device? An Enhanced Configuration Device is a special-purpose Flash memory IC that stores the FPGA's configuration bitstream and loads it into the FPGA's SRAM configuration cells at every power-on or reconfiguration event. Because SRAM is volatile, the FPGA must be re-programmed each time power is applied; the configuration device acts as the boot ROM for the FPGA, sitting on the dedicated configuration bus and transferring the bitstream serially or in parallel. The 'enhanced' designation refers to Altera's multi-mode interface, in-system programmability via JTAG, and support for both 1.8V and 3.3V FPGA cores. Key features include 16 Mb storage capacity, configurable I/O voltage, in-system programmability through the IEEE 1532 / JTAG interface, dedicated nSTATUS and CONF_DONE handshaking pins, and a 3.3V VCC supply. The 8-pin QFP package (UC8B suffix) provides a small footprint for cost-sensitive designs and supports industrial operating temperatures. Compared with earlier EPC16 variants in QFP packages, this part maintains the same 16 Mb density while improving in-system programming throughput and adding low-power standby modes for battery-backed designs. The EPC16UC8B uses a 4-pin SPI-like serial interface (DCLK, DATA, nCS, nCONFIG) in passive serial mode, or an 8-bit parallel data bus in FPP/PPA/PPS modes. The internal Flash array is organized as 16 separate configuration pages of 1 Mb each, enabling multiple bitstream storage for design versioning, golden images, or remote reconfiguration. Page selection is hardware-controlled through dedicated MSEL pins, allowing boot-time selection between distinct FPGA personalities without external logic. Typical applications include Altera Cyclone III/IV FPGA boot memory in industrial controllers, Stratix II/III configuration in telecom line cards, APEX 20K design memory in test and measurement equipment, and any system requiring multi-image FPGA configuration with fail-safe fallback. The device is also used in legacy Altera development boards and in designs that have transitioned from EPC2 or EPC8 to higher density. When designing with the EPC16UC8B, follow Altera's recommended pull-up resistor values on nSTATUS, CONF_DONE, and nCONFIG lines (typically 10 kohm to VCC) and ensure the 3.3V supply has a 0.1 uF decoupling capacitor placed within 5 mm of the VCC pin. Verify the JTAG chain ordering if multiple devices share the JTAG bus, as the EPC16 appears as a JTAG-compliant slave with its own instruction register.

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EPC16UI88

EPC16UI88 - 16Mb Config Device, 88-UBGA | Intel (Altera)

The Intel (Altera) EPC16UI88 is a 16-Mbit in-system programmable configuration PROM designed to configure SRAM-based look-up-table (LUT) FPGAs such as Altera Cyclone, Stratix, and APEX families. Per Altera product documentation, the device stores configuration bitstreams and streams them serially through a dedicated configuration interface to the target FPGA at power-up, eliminating the need for external boot PROMs and simplifying board layout. It is supplied in an 88-ball Ultra FineLine BGA (11x8 mm) package optimized for high-density surface-mount designs. The device operates from a single 3.3V supply and supports in-system programmability via the IEEE 1149.1 (JTAG) interface and the Altera ByteBlasterMV or USB-Blaster download cables. A configuration PROM is a non-volatile memory device that retains the FPGA bitstream when system power is removed. At power-on reset, the FPGA enters configuration mode and clocks data out of the PROM through a serial configuration chain (typically Altera's Passive Serial, Passive Parallel Synchronous, or Passive Parallel Asynchronous modes). The EPC16 family supports multi-device configuration chains, allowing one PROM to configure multiple FPGAs, or stacking several PROMs to configure larger devices. Compared with loading bitstreams from external flash, EPC16 devices reduce board space, lower BOM cost, and provide Altera-validated timing guarantees for configuration clock rates up to 100 MHz. Key specifications include 16 Mb of configuration memory (2 Mbytes), 3.3V core supply, JTAG/IEEE 1149.1 in-system programmability, support for multi-device cascading, and an operating temperature range suitable for industrial applications. The 88-ball UBGA package provides fine-pitch interconnect with thermal characteristics appropriate for embedded industrial and communication systems where the PROM is mounted near the FPGA it configures. The device's low standby current and rapid configuration clock support fast system wake-up times. The EPC16UI88 supports several Altera configuration modes: Passive Serial (PS), Passive Parallel Synchronous (PPS), Passive Parallel Asynchronous (PPA), and JTAG. Configuration is initiated by the FPGA's nCONFIG pin, after which the PROM presents bitstream data on DATA[7:0] (parallel) or DATA0 (serial) under control of DCLK. Designers must ensure that the EPC16UI88's density and package match the target FPGA's configuration requirements before final placement. Typical applications include Altera Cyclone II/III, Cyclone IV, Stratix II, and Stratix III FPGA-based embedded boards in industrial automation, communications infrastructure, and test-and-measurement systems. The PROM enables remote field upgrades through JTAG, simplifying firmware revision management in deployed equipment. When designing with the EPC16UI88, follow Altera's recommended decoupling scheme (0.1 uF and 10 uF capacitors close to VCC pins) and route JTAG signals as a four-wire bus (TCK, TMS, TDI, TDO) with proper termination. Ensure that the configuration clock frequency is within the FPGA's supported range, and verify multi-device cascade timing when chaining multiple FPGAs. This page synthesizes distributor pricing, drop-in alternatives from the same Altera EPC16 family, and practical configuration design notes not found on a single manufacturer datasheet.

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EPC16UI88AA

EPC16UI88AA - 16Mb Enhanced Config Flash 88-UBGA | Intel

The Intel EPC16UI88AA is a 16-Mbit (16MX1 organization) enhanced-configuration flash memory designed for configuring Altera/Intel FPGA families such as Stratix, Cyclone, and APEX, housed in an 88-ball UBGA (Ultra-fine-line BGA) package. It supports a 66.7 MHz configuration clock and provides 3-STATE outputs with 100,000 write/erase cycle endurance for in-system reconfiguration via JTAG or serial interfaces. An FPGA configuration memory is a non-volatile storage device that holds the FPGA's bitstream and serially loads it into the FPGA's SRAM configuration cells at power-up. The Enhanced Configuration Device family (EPC4, EPC8, EPC16) sits in the hierarchy: configuration PROM -> configuration memory -> non-volatile memory -> semiconductor IC. These devices eliminated the need for external programming hardware by enabling in-system reprogrammability through JTAG, which dramatically accelerated FPGA development cycles and enabled field-upgradeable designs. Key features include 16-Mbit density organized as 16M x 1 bit, a 3.3V core supply, 66.7 MHz maximum configuration clock frequency, and 3-STATE output control. The device interfaces to FPGAs through a dedicated serial configuration bus and supports JTAG boundary-scan programming for board-level testing. The 88-ball UBGA package provides compact mounting for space-constrained designs. Architecturally, the EPC16UI88AA uses a single-transistor NOR flash cell array with on-chip charge-pump generation and an internal oscillator for self-timed programming. The device is split into multiple configuration pages, allowing pre-stored bitstreams to be selected at reset via dedicated page-select pins, enabling multi-boot FPGA systems that can switch between firmware images in microseconds. Typical applications include Altera/Intel Stratix and Cyclone FPGA configuration storage, multi-image FPGA boot systems, industrial control boards requiring in-field firmware upgrades, and prototyping platforms where iterative bitstream loading is required. The device is pin-compatible with other EPC16 family members and pairs directly with Intel FPGA configuration controllers. Design consideration: maintain the 3.3V VCC within tolerance and route JTAG signals with proper length matching; the EPC16 family is now in NRND (Not Recommended for New Designs) status on many distributor pages, so verify long-term availability before committing to new designs. This page synthesizes Intel/Octopart distributor pricing, same-family drop-in alternatives (EPC16UC88AA, EPC16UC88N), and practical design notes not consolidated in the manufacturer datasheet.

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EPC16UI88N

EPC16UI88N - 16Mb In-System Prog Config PROM 88-UBGA | Intel

The Intel (formerly Altera) EPC16UI88N is a 16-Mbit (2 Mbyte) in-system programmable configuration PROM designed to configure very-high-density Altera FPGAs, including Stratix, Cyclone, and APEX families. Housed in an 88-pin Ultra FineLine BGA (UFBGA / UBGA) package measuring 11 mm x 8 mm, this industrial-temperature-grade device operates from a single 3.3 V supply and supports 66.7 MHz configuration clock rates for fast FPGA configuration. What is a configuration PROM? A configuration PROM is a non-volatile memory device that stores the bitstream for an FPGA. At power-up or under user control, the PROM serially or in parallel transfers the bitstream to the target FPGA through a dedicated configuration interface (such as Altera's PS, FPP, or AS modes). Configuration PROMs are part of the broader memory hierarchy: PROM -> non-volatile memory -> memory IC -> integrated circuit. They differ from boot flash in microcontrollers because they speak FPGA-specific protocols and include features like multi-device cascading, decompression, and in-system programming (ISP) via JTAG. Key features of the EPC16UI88N include 16 Mbit density, in-system programmability through IEEE 1149.1 (JTAG), a 3.3 V single-supply core, an industrial operating temperature range of -40 C to +85 C, and built-in support for configuring multiple FPGAs in a daisy chain. The device integrates a flash memory array with a configuration controller on a single die, eliminating the need for external memory. The 88-ball UFBGA package supports high-density routing and is suitable for space-constrained designs. Architecturally, the EPC16 uses a flash-based memory core instead of older EPROM or EEPROM cells, allowing unlimited reconfiguration cycles through JTAG. A configuration controller block manages the serial/parallel data transfer and handles multi-device daisy chaining automatically, simplifying board design when several FPGAs must be loaded from a single chain. Typical applications include configuring Altera Stratix, Cyclone, and APEX series FPGAs in industrial control, telecommunications, and test equipment. The device is also used in prototype development where bitstreams are updated frequently via JTAG. When designing with this part, ensure the configuration clock routing on the PCB is short and matched to avoid signal-integrity issues, and respect the cascade-mode timing when multiple EPC16 devices share a chain.

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EPC16UI88T

EPC16UI88T - 16Mb Enhanced Config Device, 88-pin UBGA | Altera

The Intel (formerly Altera) EPC16UI88T is a 16-Mbit enhanced configuration memory device designed to configure SRAM-based look-up-table (LUT) FPGAs in the Altera product family. It is housed in an 88-ball Ultra FineLine BGA (UBGA) package with 0.8 mm pitch and supports 3.3V operation. The part is targeted at replacing multiple legacy PROM devices with a single, in-system programmable flash-based configuration store. An enhanced configuration device (EPC) is a non-volatile flash memory with an Altera-specific serial configuration interface that loads bitstream data into a companion FPGA at power-up, after reconfiguration requests, or via remote in-system programming (ISP). Compared with older EPCS / EPCQ devices, the EPC16 family supports multi-boot, dual-image storage, page-mode decompression and the Altera Passive Parallel (PP) or Passive Serial (AS) configuration schemes, providing a more flexible boot source for Stratix, Cyclone, Arria and other LUT-based Altera devices. Key features of the EPC16UI88T include 16 Mb of usable configuration memory, parallel data compression to fit larger bitstreams into the same flash density, support for multiple FPGA configuration schemes (PS, AS, FPP), and in-system programmability through the JTAG or Active Serial interface. The device supports a standard 4-wire serial interface plus optional parallel data path, and offers dedicated MSEL[2:0] and nCONFIG/nSTATUS control pins for handshaking with the target FPGA. Typical applications include boot configuration for mid-density Altera FPGAs (Cyclone III, Cyclone IV, Stratix II GX and similar generation devices), industrial control and factory automation platforms that require remote firmware upgrade capability, networking line cards and base stations, and test/measurement equipment where multi-image storage enables field-safe rollback. The wide operating temperature range and industrial qualification also suit industrial, military, and aerospace ground systems. When designing with this device, confirm that the target FPGA configuration scheme matches the EPC16 control pin mapping, and observe the 0.8 mm BGA PCB layout rules (laser-drilled vias, microvia stack-ups are recommended for high-density BGA fan-out). Always use the manufacturer-supported Quartus II / Quartus Prime programmer for device programming and verify JTAG chain integrity before ISP operations. This page synthesizes distributor stock and pricing, drop-in package-compatible alternatives, and practical PCB/boot design notes that are not consolidated in the manufacturer datasheet.

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EPC16UI8B

EPC16UI8B - 16Mb Enhanced Configuration Device for FPGAs | Altera

The Altera (Intel) EPC16UI8B is a 16-Mbit enhanced configuration device designed to configure SRAM-based LUT FPGAs such as Stratix, Cyclone, and Arria device families. Packaged in an 8-pin Ultra-Thin Small Outline No-Lead (USON/WSON) package with an industrial operating temperature range, this serial flash-based configuration memory stores the FPGA bitstream and supports in-system programming through JTAG and Active Serial (AS) interfaces. The "I8" suffix indicates 8-pin industrial-grade packaging while "B" marks the second silicon revision. An enhanced configuration device is a specialized non-volatile memory that stores the FPGA configuration bitstream and acts as the boot source for SRAM-based programmable logic. Unlike standard SPI flash, enhanced configuration devices expose configuration-specific features such as multi-page storage, dual-boot support, remote system upgrade, decompression acceleration, and dedicated FPGA hand-shake pins (nSTATUS, CONF_DONE, nCONFIG) that allow seamless multi-FPGA cascade configuration on a single board. Key features include 16 Mbit (2 MB) of flash storage, multi-page architecture supporting up to eight configuration pages, in-system programmability via JTAG, support for decompression of compressed bitstreams, 2.5 V or 3.3 V core supply, and dedicated error-detection circuitry. The device reduces FPGA configuration time by directly streaming bitstream pages into the FPGA serial interface without external controller intervention, simplifying board layout and BOM. Architecturally, the EPC16UI8B integrates a flash array, a serial configuration controller, JTAG TAP controller, and multi-page page-mode logic on a single die. Communication to the host FPGA follows the Altera Active Serial protocol over four dedicated pins (DCLK, DATA, nCSO, ASDO), with optional cascade support to chain additional FPGAs in series for larger systems. Typical applications include booting Stratix, Cyclone, and Arria FPGAs in industrial control, telecom baseband, test and measurement, and embedded computing platforms. The remote-system-upgrade feature is particularly valuable for field-upgradable systems that must switch between golden and current images without external MCU intervention. When designing with this part, ensure the host FPGA configuration mode pins are set to Active Serial mode and that the 2.5V/3.3V supply is properly decoupled. Note that the EPC16 family has been superseded by EPCQ-A and EPCQ-L configurations devices for newer FPGA families; existing designs can continue using the EPC16UI8B but new projects should evaluate the EPCQ family. This page synthesizes distributor pricing, drop-in alternatives from the Altera enhanced-configuration family, and practical configuration-design notes that are not consolidated in the manufacturer datasheet.

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EPC16UIC88

EPC16UIC88 - 16Mb Enhanced Configuration Device | Altera/Intel

The Altera (now Intel) EPC16UIC88 is a 16-Mbit Enhanced Configuration Device designed for in-system programming of SRAM-based lookup-table (LUT) FPGAs, housed in an 88-ball Ultra FineLine BGA (UBGA) package. It provides 1M x 16 of non-volatile configuration memory with a parallel CMOS interface, operates from a single 3.3 V supply, and supports JTAG-based IEEE Std 1149.1 in-system programmability for field upgrades without removing the device from the board. An Enhanced Configuration Device (ECD) is a serial-configuration PROM that streams bitstream data into a Stratix, Cyclone, APEX, or other Altera FPGA at FPGA power-up, then enters a low-power standby state. Compared with classic EPCS/EPCQ serial flashes, the EPC16 family supports the proprietary 16-bit parallel FPP (Fast Passive Parallel) configuration mode that older Altera FPGAs required, and integrates the Altera 4-pin passive configuration controller so no external host controller is needed during configuration. The EPC16UIC88 sits in the configuration-memory IC hierarchy: configuration PROM -> serial/parallel configuration memory -> FPGA bitstream storage -> programmable-logic boot device. Key features of the EPC16UIC88 include 16 Mb of flash-organized storage, JTAG-ISP via IEEE 1149.1, a dedicated nCONFIG/nSTATUS/CONF_DONE handshake with the target FPGA, multi-device cascading for systems larger than 16 Mb, and a 20-year data-retention specification. The UBGA-88 11 x 8 mm package supports the JTAG-driven ISP that allows board-level reprogramming of the configuration bitstream in production or in the field, while an internal oscillator and controller offload bitstream-clocking tasks from the system processor. The device uses a CMOS process with a 3.3 V core; during configuration it draws the bulk of its current, then drops to a micro-amp standby once CONF_DONE is asserted. This separation is important because power-sequencing on legacy Altera FPGAs typically requires the configuration PROM to be valid before the FPGA's VCCINT ramp completes, so deterministic PROM power-up timing is part of the design. Typical applications for the EPC16UIC88 include legacy Stratix II/III, Cyclone II/III, APEX 20K, and Mercury FPGA designs where 16 Mb is sufficient, industrial control boards requiring in-field configuration updates via JTAG, and multi-device daisy-chained configurations where two EPC16s combine to provide 32 Mb. It is also used as a fallback boot image in systems that later migrate bitstream loading to a host processor or to a serial flash. When designing with the EPC16UIC88, observe the JTAG chain order, the nCONFIG/nSTATUS pull-up requirements, and the recommended decoupling on VCC (one 0.1 uF plus one bulk capacitor placed within 1 cm of the package). The Altera Enhanced Configuration Device Data Sheet for the EPC4, EPC8, and EPC16 family should be consulted for the cascaded-configuration schematic and for JTAG chain length limits. This page synthesizes Altera/Intel distributor pricing, JTAG-ISP-enabled drop-in alternatives, and practical FPGA-configuration design notes that are not gathered in a single location in the manufacturer's datasheet, giving a board-level engineer the cross-reference and design checklist needed for a one-step ECO.

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EPC16VC88

EPC16VC88 - 16Mb Enhanced Configuration Device | Altera

The Altera EPC16VC88 is a 16-Mbit enhanced configuration device in an 88-pin CQFP package, designed to configure SRAM-based look-up-table (LUT) devices including the Stratix, Cyclone, APEX, and Mercury FPGA families. It integrates a 3.3V flash memory array with an internal configuration controller that streams compressed or uncompressed configuration data to a target FPGA through a serial or parallel interface, eliminating the need for an external PROM and reducing board complexity. An enhanced configuration device is a serial-configuration-class flash memory with an on-chip JTAG controller that automates FPGA bitstream loading. In the system hierarchy it sits between raw non-volatile memory (NOR flash, EEPROM) and the FPGA it configures, providing in-system programmability (ISP) compliant with IEEE Std 1532 draft 2.0. The flash memory stores up to 16 Mbits of configuration data, which is decompressed inside the target FPGA to load a much larger logical bitstream. Key features of the EPC16VC88 include 16-Mbit storage density, a dedicated nCONFIG/nSTATUS/CONF_DONE handshake interface, multi-device cascade support for configuring multiple FPGAs in a chain, and 3.3V single-supply operation. According to the Altera Enhanced Configuration Devices (EPC4, EPC8, EPC16) datasheet, the device supports both serial (1-bit) and parallel (8-bit) configuration modes, with a typical configuration clock rate of 20 MHz in serial mode. ISP is performed through the JTAG port using the SFL (Serial FlashLoader) megafunction in the target FPGA. Architecturally the EPC16VC88 pairs a 3.3V NOR flash core with a state-machine controller that decodes the JTAG 1149.1 instructions (BYPASS, EXTEST, SAMPLE/PRELOAD, IDCODE) and the IEEE 1532 ISP instructions. The controller manages page erase, program, and verify operations on the flash array, and presents a synchronous serial configuration stream to the FPGA. Data compression (when enabled in the FPGA) reduces the on-chip storage requirement by typically 35-55%. Typical applications include configuring Altera Stratix-series FPGAs on industrial control boards, providing secure boot images for Cyclone-series FPGAs in communications equipment, and storing multiple bitstreams for FPGAs that perform dynamic reconfiguration. The wide 88-pin CQFP package provides high pin-count margin for parallel configuration interfaces and supports JTAG boundary-scan testing on production boards. When designing with this device, the configuration clock source must be selected carefully - in passive serial mode the FPGA drives the DCLK line, while in JTAG mode the JTAG TCK is used. Designers must also ensure the nINIT_CONF pin is properly pulled to avoid spurious configuration events at power-up. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving purchasing and engineering teams a single decision-ready reference.

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EPC1765EPC

EPC1765EPC - 65kb FPGA Configuration PROM, DIP-8, 3.3V | Xilinx

The Xilinx EPC1765EPC is a 65-kilobit one-time programmable (OTP) Configuration PROM designed to store configuration bitstreams for Xilinx FPGAs and CPLDs. Housed in an 8-pin Plastic DIP (PDIP-8) through-hole package, the device operates from a single 3.3V supply and supports the Xilinx proprietary serial configuration interface. The EPC1765EPC is part of the legacy XC1700E series that has supported multiple generations of Xilinx programmable logic since the mid-1990s. A Configuration PROM (programmable read-only memory) is a non-volatile storage device used at system boot to load the FPGA's configuration bitstream from a known, reliable source. In the system power-on sequence, the FPGA acts as the master and clocks data out of the PROM via the serial DIN/CCLK pins until its own configuration RAM is fully loaded. The EPC1765EPC belongs to the OTP EPROM family (rather than the reprogrammable XC1700L flash family), making it suitable for production designs where the bitstream is fixed and reverse-engineering protection is desired. Key specifications include 65,536 bits of storage capacity, a 3.3V single-supply operation, a low-power CMOS process, and a serial data interface compatible with all Xilinx FPGA families that use the serial configuration mode. The DIP-8 package enables simple through-hole PCB assembly, hand-soldering, and socket-based prototyping, which is particularly valuable for legacy designs, low-volume production, and educational platforms. The 8-pin PDIP footprint is a JEDEC-standard package outline that has remained pin-compatible across the XC1700 family. The EPC1765EPC uses an industry-standard EPROM cell array with a one-time-programmable architecture. Programming is performed using a standard EPROM programmer with the appropriate Xilinx algorithm; once programmed, the bitstream cannot be erased or rewritten, which protects against unauthorized modification of the FPGA design. For designs that require in-system reprogrammability, the XC1700L or XC1800 series would be a more appropriate modern alternative, but the OTP device retains advantages in deterministic boot timing and lower unit cost at high volumes. Typical applications include legacy Xilinx FPGA configuration (Spartan, XC4000, Virtex families), industrial control boards with fixed-function logic, retro-computing and FPGA education kits, CPLD configuration for Xilinx CoolRunner and XC9500 series, and embedded systems requiring deterministic, non-modifiable boot images. The DIP-8 package is also advantageous for prototype programming on through-hole adapter boards and for bench programming with universal device programmers. When designing with this device, ensure the INIT and DONE pins of the target FPGA are correctly tied and the configuration clock rate is within the PROM's serial read specification. Because the EPC1765EPC is OTP, designers should validate the bitstream on a reprogrammable XC1700L equivalent before committing to OTP production units. Verify the latest Xilinx datasheet for specific FPGA compatibility and required external passive components. This page synthesizes distributor availability, drop-in replacement candidates from the XC1700 family, and practical design notes that go beyond the manufacturer datasheet summary, helping engineers source, substitute, and integrate this legacy configuration PROM.

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EPC18QI100

EPC18QI100 - 18-Mbit Config Device, 100-pin PQFP | Altera

Altera EPC18QI100 is an 18-megabit serial configuration device designed to configure Altera FPGAs through a serial configuration interface. The EPC18QI100 stores configuration bitstreams in nonvolatile memory and delivers them via a serial data line to the target FPGA at system power-up, replacing multiple parallel PROMs and reducing board area. Housed in a 100-pin Plastic Quad Flat Pack (PQFP) with industrial-grade operating temperature, the device supports in-system programmability via IEEE 1149.1 (JTAG) and is pin-compatible with other members of the Altera EPC16/EPC8 configuration device family. A configuration device (also called a configuration PROM) is a specialized nonvolatile memory IC that stores FPGA configuration bitstreams and serially delivers them to the FPGA at power-on. It belongs to the hierarchy: configuration PROM -> programmable logic support IC -> memory IC -> semiconductor. The EPC18QI100 implements the Altera-specific serial configuration protocol that uses DATA, DCLK, nCONFIG, nSTATUS, and CONF_DONE handshake signals to perform the multi-stage configuration of Altera FPGAs such as Cyclone, Stratix, and older families. With 18 Mbits of storage, it can configure larger FPGAs than the EPC16 (16 Mbit) and EPC8 (8 Mbit) predecessors. Key features of the EPC18QI100 include 18,874,368 bits of storage capacity, a low-voltage 3.3V core supply plus 5V or 3.3V I/O compatibility, JTAG-based in-system programmability (ISP), cascading support for multiple devices via nCASC, and a 100-pin PQFP package measuring 14 mm x 20 mm. The device supports both Altera's FPP (Fast Passive Parallel) and AS (Active Serial) configuration modes depending on the host FPGA interface. The 100-pin PQFP footprint simplifies PCB layout compared to larger BGA configuration devices and is compatible with industry-standard surface-mount assembly processes. Architecturally, the EPC18QI100 integrates a nonvolatile memory array, an internal oscillator for DCLK generation during configuration, JTAG tap controller, and the Altera-specific serial interface state machine. Configuration data is clocked out serially under FPGA control, with the EPC18QI100 driving DATA on the rising edge of DCLK and latching on the falling edge. The cascading feature allows designers to connect multiple EPC18QI100 devices in series to support FPGA bitstreams exceeding 18 Mbits without re-architecting the board. Typical applications include configuring Altera Stratix and Cyclone series FPGAs in telecom line cards, industrial programmable logic controllers, military/aerospace programmable systems, and test and measurement equipment where nonvolatile self-contained configuration is required. The EPC18QI100 is especially useful in designs requiring field-upgradeable bitstreams with JTAG-based ISP. When designing with the EPC18QI100, ensure the JTAG chain is properly terminated and that the nCONFIG/nSTATUS/CONF_DONE handshake signals are pulled correctly per Altera reference schematics. Decoupling should include 0.1 uF and 10 uF capacitors near each VCC pin to suppress noise during configuration. Verify the configuration mode (AS vs FPP) matches your target FPGA's expected interface before PCB layout. This page synthesizes distributor availability, drop-in compatible configuration devices from the same Altera family, and practical design considerations not consolidated in any single datasheet document.

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EPC19C8

EPC19C8 - Altera Enhanced Configuration Device, 8-Mbit, PLCC-20 | FPGA Config Memory

The Altera EPC19C8 is an Enhanced Configuration Device (EPC) designed as a single-device, high-speed configuration memory solution for high-density Altera FPGAs. It integrates a configuration controller and flash memory on one die, providing a compact and reliable boot-storage solution. The part is offered in a 20-pin PLCC package suitable for through-hole PCB mounting and field-programmable retrofit of legacy Altera FPGA designs. An Enhanced Configuration Device is a specialized non-volatile memory IC that stores the configuration bitstream of an FPGA. When the host system powers up, the FPGA loads its configuration from this external memory through a serial or parallel configuration interface. Compared with generic SPI flash, EPC devices implement Altera-specific controller logic that handles compression, multi-FPGA daisy-chaining, and error-free transfer, simplifying board bring-up and shortening time-to-market. Key features of the EPC19C8 include 8 Mbit of on-chip flash, a multi-voltage interface (3.3 V/5.0 V tolerant I/O), in-system programmability via IEEE 1149.1 JTAG, and support for Altera's passive-serial, passive-parallel-synchronous, and passive-parallel-asynchronous configuration modes. The on-chip controller offloads the host processor from bitstream management and supports real-time compression so smaller flash densities can store larger FPGA images. Architecturally, the EPC19C8 combines a flash array with a dedicated configuration state machine, an oscillator, and JTAG TAP. Its fast page-mode programming shortens factory programming time. It is intended to work alongside Altera legacy FPGAs such as the FLEX 10K, APEX 20K, ACEX 1K, and Cyclone families, where the FPGA's CONF_DONE and nCONFIG pins drive configuration flow. Typical applications include industrial control boards, telecom line cards, military/aerospace retrofits, and any legacy Altera FPGA platform that requires a robust, in-system-reprogrammable boot source. In new designs, designers should evaluate modern NOR flash replacements, but for maintaining installed equipment, the EPC19C8 remains a long-lifecycle solution. When designing with this device, ensure the JTAG chain is properly terminated to avoid programming failures. Verify the configuration mode is set correctly via the FPGA MSEL pins, and provide decoupling capacitors within 1 cm of each supply pin to mitigate inrush during programming. Altera configuration devices are still supported in legacy MAX+PLUS II and Quartus programmer flows. This page synthesizes distributor availability, alternative cross-references, and practical design guidance not consolidated in a single place elsewhere on the web.

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EPC1C20

EPC1C20 - Altera Enhanced Configuration Device 20-Pin PLCC | Intel

The Intel (formerly Altera) EPC1C20 is an Enhanced Configuration (EPC) device in a 20-pin Plastic Leaded Chip Carrier (PLCC-20) package, designed to configure one or more Altera CPLD or FPGA devices via the passive serial (PS) configuration interface. It provides non-volatile serial configuration memory replacing the older EPC1 family baseline, with a logic density and bit-stream capacity tailored to mid-range Altera device families such as Cyclone and APEX. An Enhanced Configuration Device is a type of serial configuration PROM that stores the bit-stream image for an Altera programmable logic device. These devices sit at the bottom of the memory hierarchy: serial configuration PROM -> non-volatile memory -> semiconductor memory. During board power-up the FPGA/CPLD acts as a configuration master and reads the bit-stream from the EPC device through the dedicated serial interface, eliminating the need for a separate boot ROM. Key features include a single +5 V supply operation (with 3.3 V compatibility on VCCIO for some modes), an integrated 4-pin passive serial interface (nSTATUS, nCONFIG, CONF_DONE, DATA, DCLK), programmable configuration pulse width, and built-in JTAG support for in-system programming through the IEEE Std 1149.1 boundary-scan interface. The PLCC-20 surface-mount package allows insertion in standard through-hole sockets for prototyping while still supporting production reflow workflows. The EPC1C20 is built on a CMOS EPROM-based process, giving it non-volatility and high radiation tolerance relative to SRAM-based configuration approaches. Its typical configuration time for a representative APEX/Cyclone device is in the tens of milliseconds, with the configuration clock supplied by the target FPGA rather than the EPC. Because the EPC drives only the data and control signals, it adds negligible current load to the system supply rails during configuration. Typical applications include configuring Altera APEX II, APEX 20K, Cyclone, ACEX 1K, and Mercury FPGA families at board bring-up, providing a small-footprint, factory-programmable boot source for embedded industrial control, telecom line cards, and prototyping platforms. Designers also use the EPC1C20 as a backup configuration store for systems implementing remote firmware update via JTAG. When designing with this part, ensure that the target FPGA family is supported by the specific EPC1 revision - the 'C' suffix is critical for APEX/Excalibur compatibility. Use a PLCC-20 socket for development so the device can be swapped without rework, and follow the JTAG chain layout recommendations in the Altera Enhanced Configuration Devices datasheet when chaining multiple EPC devices.

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EPC19C8 - Altera Enhanced Configuration Device, 8-Mbit, PLCC-20 | FPGA Config Memory

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