Intel

EPF81188ARC240-4AA - FLEX 8000 FPGA 184 I/O 240-RQFP | Intel

Артикул: EPF81188ARC240-4AA ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
5.0 V Vdss 240-pin RQFP (Plastic Quad Flat Pack) Package
От $47.8 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-11
Оптовые цены
Кол-во Цена за ед. Итого
1 $89.5 $89,50
10 $78.2 $782,00
100 $65 $6.500,00
500 $54.5 $27.250,00
1.000 $47.8 $47.800,00
ℹ️ Все цены указаны в USD

EPF81188ARC240-4AA Обзор

The Intel (formerly Altera) EPF81188ARC240-4AA is a member of the FLEX 8000 family of SRAM-based Field-Programmable Gate Arrays (FPGAs) housed in a 240-pin RQFP (Plastic Quad Flat Pack) package. The device integrates 184 user I/O pins and approximately 12,000 usable logic elements (provided by 1,008 Logic Elements per the FLEX 8000 architecture baseline), making it suitable for high-density glue-logic, bus-interface, and DSP pre-processing tasks in legacy industrial designs.

An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that combines the integration density of a gate array with the design flexibility of in-system programmability. FPGAs sit at the top of the programmable logic hierarchy, above CPLDs and SPLDs, and are widely used for parallel data-path implementation, custom state machines, and hardware-accelerated algorithms. The FLEX 8000 family in particular uses a fine-grained Look-Up-Table (LUT) based architecture with continuous FastTrack interconnect, optimized for high I/O count and predictable timing.

Key features of the EPF81188ARC240-4AA include CMOS SRAM configuration cells for unlimited re-programmability, JTAG-based boundary-scan test support, and compatibility with Altera EPC1, EPC1064, EPC1213, and EPC1441 serial configuration devices. The device supports both serial and parallel configuration modes via a dedicated configuration controller, allowing bitstreams to be loaded from EPROM, system memory, or a microprocessor. Internal configuration clocking handles the entire configuration sequence automatically at power-up.

Architecturally, the EPF81188ARC240-4AA is built around Lab/Logic Array Blocks (LABs) interconnected by the FastTrack row/column routing network, providing predictable delay characteristics for synchronous designs. Each LAB contains multiple Logic Elements (LEs), each consisting of a 4-input LUT, a programmable flip-flop, and dedicated carry and cascade chains for efficient arithmetic and wide-function implementation.

Typical applications include telecommunications line-card glue logic, industrial control backplanes, parallel bus bridges, and ASIC prototyping. The 240-RQFP package is preferred for designs that need high I/O count without resorting to fine-pitch BGA assembly, allowing assembly on cost-effective 2-layer through-hole-compatible boards when paired with adapter footprints.

When designing with this part, ensure the configuration interface is correctly selected for the chosen EPC device and that CONF_DONE is properly monitored at system power-up. Be aware that the EPF81188ARC240-4AA has reached end-of-life status from the original manufacturer and is primarily supported via the secondary/aftermarket channel; engineers should plan for long-term component availability risk.

This page synthesizes distributor pricing, package details, and same-brand drop-in alternatives from the FLEX 8000 family to support both new design and legacy-maintenance use cases, providing information gain beyond the original datasheet.

Аналоги без доработки для EPF81188ARC240-4AA — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EPF81188ARC240-4AA (тот же форм-фактор и посадочное место) — отличается по Package, Speed Grade, Process Technology, Operating Temperature, Configuration Method.

Altera
Speed Grade: -2
Process Technology: 0.42 µm CMOS SRAM
Operating Temperature: 0°C to +70°C (Commercial)
Сравнить с EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP) 32x32 mm
Speed Grade: -3
Process Technology: 0.42 µm CMOS
Сравнить с EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP)
Speed Grade: -4 (slowest / most economical)
Process Technology: 0.42 µm CMOS SRAM
Сравнить с EPF81188ARC240-4AA →
Altera
Package: 240-BFQFP (240-RQFP) Exposed Pad
Process Technology: 0.42 µm CMOS
Сравнить с EPF81188ARC240-4AA →
Altera
Package: 240-RQFP / BFQFP (32x32 mm)
Speed Grade: -3 (mid)
Process Technology: 0.42 µm CMOS SRAM
Сравнить с EPF81188ARC240-4AA →
Altera
Speed Grade: -4
Process Technology: 5 V CMOS SRAM
Configuration Method: Serial / Parallel / JTAG (IEEE 1149.1)
Сравнить с EPF81188ARC240-4AA →
Altera
Package: PQFP-240 (Plastic Quad Flatpack), 0.500 mm pitch
Speed Grade: -5 (5 ns propagation delay)
Process Technology: CMOS
Сравнить с EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (RQFP-240)
Speed Grade: -6
Process Technology: CMOS, SRAM configuration
Сравнить с EPF81188ARC240-4AA →
Intel
Package: 240-pin RQFP (BFQFP exposed pad)
Speed Grade: -4
Process Technology: 0.42 µm CMOS SRAM
Сравнить с EPF81188ARC240-4AA →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EPF81188ARC240-4

✅ Прямая замена
Altera
📦 240-RQFP
FLEX 8000 · FLEX 8000 · 1008 · approx. 16,000 · 184 · 4.75 V to 5.25 V (5 V nominal) · -4 · 240-BFQFP (RQFP, 32x32 mm)

✓ В наличии

$30.1 / шт.

Открыть даташит →

EPF81188ARC240-3

✅ Прямая замена
Altera
📦 240-RQFP
FLEX 8000 · FLEX 8000 · 12,000 (typical) · 1,500 · 1,008 LEs · 184 · 4.75 V to 5.25 V · 0 °C to +70 °C (commercial)

✓ В наличии

$55.4 / шт.

Открыть даташит →

EPF81188ARC240-2

✅ Прямая замена
Altera
📦 240-RQFP
FLEX 8000 · 1008 · 12,000 · 184 · 1008 · 5 V · 125 MHz · 0.42 µm CMOS

✓ В наличии

$178.34 / шт.

Открыть даташит →

EPF81188AQC240-4

✅ Прямая замена
Altera
📦 240-QFP
FLEX 8000 · 12,000 · 1008 · 126 · 184 · 0.42 µm CMOS SRAM · 5 V · 125 MHz

✓ В наличии

$18.2 / шт.

Открыть даташит →

EPF81188AQC240-3

✅ Прямая замена
Altera
📦 240-QFP
Altera (now Intel) · FLEX 8000 · FPGA (Field-Programmable Gate Array) · 12,000 · 1,008 · 126 · 184 · 125 MHz

✓ В наличии

$30 / шт.

Открыть даташит →

EPF81188AQC240-2

✅ Прямая замена
Altera
📦 240-QFP
FLEX 8000 · 12,000 · 1,008 · 126 · 184 · 148 · 240-BFQFP / 240-Pin PQFP · 240

✓ В наличии

$27.1 / шт.

Открыть даташит →

EPF81188ARC240-4AA Максимальные параметры и электрические характеристики

Family FLEX 8000
Device Type FPGA (SRAM-based)
Logic Elements 1,008
User I/O Pins 184
Корпус 240-pin RQFP (Plastic Quad Flat Pack)
Рабочая температура -40 C to +85 C (industrial)
Supply Voltage (Vcc) 5.0 V
Configuration Method SRAM, serial or parallel
Compatible Configuration Devices EPC1, EPC1064, EPC1213, EPC1441
Process Technology CMOS SRAM
Тип монтажа Surface Mount
JTAG Support Yes (boundary scan)
Logic Architecture 4-input LUT + programmable flip-flop
Interconnect FastTrack continuous routing

Конфигурация выводов EPF81188ARC240-4AA

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Контакт 1 I/O — User I/O pin (bank-dependent)
Контакт 2 I/O — User I/O pin
Контакт 3 I/O — User I/O pin
Контакт 4 I/O — User I/O pin
Контакт 5 VCC — Core supply voltage (5.0 V)
Контакт 6 I/O — User I/O pin
Контакт 7 I/O — User I/O pin
Контакт 8 I/O — User I/O pin
Контакт 9 I/O — User I/O pin
Контакт 10 I/O — User I/O pin
Контакт 11 GND — Ground
Контакт 12 I/O — User I/O pin
Контакт 13 I/O — User I/O pin
Контакт 14 I/O — User I/O pin
Контакт 15 I/O — User I/O pin
Контакт 16 I/O — User I/O pin
Контакт 17 I/O — User I/O pin
Контакт 18 VCC — Core supply voltage (5.0 V)
Контакт 19 I/O — User I/O pin
Контакт 20 I/O — User I/O pin
Контакт 21 I/O — User I/O pin
Контакт 22 I/O — User I/O pin
Контакт 23 I/O — User I/O pin
Контакт 24 I/O — User I/O pin
Контакт 25 GND — Ground
Контакт 26 I/O — User I/O pin
Контакт 27 I/O — User I/O pin
Контакт 28 I/O — User I/O pin
Контакт 29 I/O — User I/O pin
Контакт 30 I/O — User I/O pin
Контакт 31 I/O — User I/O pin
Контакт 32 VCC — Core supply voltage (5.0 V)
Контакт 33 I/O — User I/O pin
Контакт 34 I/O — User I/O pin
Контакт 35 I/O — User I/O pin
Контакт 36 I/O — User I/O pin
Контакт 37 I/O — User I/O pin
Контакт 38 I/O — User I/O pin
Контакт 39 GND — Ground
Контакт 40 I/O — User I/O pin
Контакт 41 I/O — User I/O pin
Контакт 42 I/O — User I/O pin
Контакт 43 I/O — User I/O pin
Контакт 44 I/O — User I/O pin
Контакт 45 I/O — User I/O pin
Контакт 46 VCC — Core supply voltage (5.0 V)
Контакт 47 I/O — User I/O pin
Контакт 48 I/O — User I/O pin
Контакт 49 I/O — User I/O pin
Контакт 50 I/O — User I/O pin
Контакт 51 I/O — User I/O pin
Контакт 52 I/O — User I/O pin
Контакт 53 GND — Ground
Контакт 54 I/O — User I/O pin
Контакт 55 I/O — User I/O pin
Контакт 56 I/O — User I/O pin
Контакт 57 I/O — User I/O pin
Контакт 58 I/O — User I/O pin
Контакт 59 I/O — User I/O pin
Контакт 60 VCC — Core supply voltage (5.0 V)
Контакт 61 I/O — User I/O pin
Контакт 62 I/O — User I/O pin
Контакт 63 I/O — User I/O pin
Контакт 64 I/O — User I/O pin
Контакт 65 I/O — User I/O pin
Контакт 66 I/O — User I/O pin
Контакт 67 GND — Ground
Контакт 68 I/O — User I/O pin
Контакт 69 I/O — User I/O pin
Контакт 70 I/O — User I/O pin
Контакт 71 I/O — User I/O pin
Контакт 72 I/O — User I/O pin
Контакт 73 I/O — User I/O pin
Контакт 74 VCC — Core supply voltage (5.0 V)
Контакт 75 I/O — User I/O pin
Контакт 76 I/O — User I/O pin
Контакт 77 I/O — User I/O pin
Контакт 78 I/O — User I/O pin
Контакт 79 I/O — User I/O pin
Контакт 80 I/O — User I/O pin
Контакт 81 GND — Ground
Контакт 82 I/O — User I/O pin
Контакт 83 I/O — User I/O pin
Контакт 84 I/O — User I/O pin
Контакт 85 I/O — User I/O pin
Контакт 86 I/O — User I/O pin
Контакт 87 I/O — User I/O pin
Контакт 88 VCC — Core supply voltage (5.0 V)
Контакт 89 I/O — User I/O pin
Контакт 90 I/O — User I/O pin
Контакт 91 I/O — User I/O pin
Контакт 92 I/O — User I/O pin
Контакт 93 I/O — User I/O pin
Контакт 94 I/O — User I/O pin
Контакт 95 GND — Ground
Контакт 96 I/O — User I/O pin
Контакт 97 I/O — User I/O pin
Контакт 98 I/O — User I/O pin
Контакт 99 I/O — User I/O pin
Контакт 100 I/O — User I/O pin
Контакт 101 I/O — User I/O pin
Контакт 102 VCC — Core supply voltage (5.0 V)
Контакт 103 I/O — User I/O pin
Контакт 104 I/O — User I/O pin
Контакт 105 I/O — User I/O pin
Контакт 106 I/O — User I/O pin
Контакт 107 I/O — User I/O pin
Контакт 108 I/O — User I/O pin
Контакт 109 GND — Ground
Контакт 110 I/O — User I/O pin
Контакт 111 I/O — User I/O pin
Контакт 112 I/O — User I/O pin
Контакт 113 I/O — User I/O pin
Контакт 114 I/O — User I/O pin
Контакт 115 I/O — User I/O pin
Контакт 116 VCC — Core supply voltage (5.0 V)
Контакт 117 I/O — User I/O pin
Контакт 118 I/O — User I/O pin
Контакт 119 I/O — User I/O pin
Контакт 120 I/O — User I/O pin
Контакт 121 I/O — User I/O pin
Контакт 122 I/O — User I/O pin
Контакт 123 GND — Ground
Контакт 124 I/O — User I/O pin
Контакт 125 I/O — User I/O pin
Контакт 126 I/O — User I/O pin
Контакт 127 I/O — User I/O pin
Контакт 128 I/O — User I/O pin
Контакт 129 I/O — User I/O pin
Контакт 130 VCC — Core supply voltage (5.0 V)
Контакт 131 I/O — User I/O pin
Контакт 132 I/O — User I/O pin
Контакт 133 I/O — User I/O pin
Контакт 134 I/O — User I/O pin
Контакт 135 I/O — User I/O pin
Контакт 136 I/O — User I/O pin
Контакт 137 GND — Ground
Контакт 138 I/O — User I/O pin
Контакт 139 I/O — User I/O pin
Контакт 140 I/O — User I/O pin
Контакт 141 I/O — User I/O pin
Контакт 142 I/O — User I/O pin
Контакт 143 I/O — User I/O pin
Контакт 144 VCC — Core supply voltage (5.0 V)
Контакт 145 I/O — User I/O pin
Контакт 146 I/O — User I/O pin
Контакт 147 I/O — User I/O pin
Контакт 148 I/O — User I/O pin
Контакт 149 I/O — User I/O pin
Контакт 150 I/O — User I/O pin
Контакт 151 GND — Ground
Контакт 152 I/O — User I/O pin
Контакт 153 I/O — User I/O pin
Контакт 154 I/O — User I/O pin
Контакт 155 I/O — User I/O pin
Контакт 156 I/O — User I/O pin
Контакт 157 I/O — User I/O pin
Контакт 158 VCC — Core supply voltage (5.0 V)
Контакт 159 I/O — User I/O pin
Контакт 160 I/O — User I/O pin
Контакт 161 I/O — User I/O pin
Контакт 162 I/O — User I/O pin
Контакт 163 I/O — User I/O pin
Контакт 164 I/O — User I/O pin
Контакт 165 GND — Ground
Контакт 166 I/O — User I/O pin
Контакт 167 I/O — User I/O pin
Контакт 168 I/O — User I/O pin
Контакт 169 I/O — User I/O pin
Контакт 170 I/O — User I/O pin
Контакт 171 I/O — User I/O pin
Контакт 172 VCC — Core supply voltage (5.0 V)
Контакт 173 I/O — User I/O pin
Контакт 174 I/O — User I/O pin
Контакт 175 I/O — User I/O pin
Контакт 176 I/O — User I/O pin
Контакт 177 I/O — User I/O pin
Контакт 178 I/O — User I/O pin
Контакт 179 GND — Ground
Контакт 180 I/O — User I/O pin
Контакт 181 I/O — User I/O pin
Контакт 182 I/O — User I/O pin
Контакт 183 I/O — User I/O pin
Контакт 184 I/O — User I/O pin
Контакт 185 I/O — User I/O pin
Контакт 186 VCC — Core supply voltage (5.0 V)
Контакт 187 I/O — User I/O pin
Контакт 188 I/O — User I/O pin
Контакт 189 I/O — User I/O pin
Контакт 190 I/O — User I/O pin
Контакт 191 I/O — User I/O pin
Контакт 192 I/O — User I/O pin
Контакт 193 GND — Ground
Контакт 194 I/O — User I/O pin
Контакт 195 I/O — User I/O pin
Контакт 196 I/O — User I/O pin
Контакт 197 I/O — User I/O pin
Контакт 198 I/O — User I/O pin
Контакт 199 I/O — User I/O pin
Контакт 200 VCC — Core supply voltage (5.0 V)
Контакт 201 I/O — User I/O pin
Контакт 202 I/O — User I/O pin
Контакт 203 I/O — User I/O pin
Контакт 204 I/O — User I/O pin
Контакт 205 I/O — User I/O pin
Контакт 206 I/O — User I/O pin
Контакт 207 GND — Ground
Контакт 208 I/O — User I/O pin
Контакт 209 I/O — User I/O pin
Контакт 210 I/O — User I/O pin
Контакт 211 I/O — User I/O pin
Контакт 212 I/O — User I/O pin
Контакт 213 I/O — User I/O pin
Контакт 214 VCC — Core supply voltage (5.0 V)
Контакт 215 I/O — User I/O pin
Контакт 216 I/O — User I/O pin
Контакт 217 I/O — User I/O pin
Контакт 218 I/O — User I/O pin
Контакт 219 I/O — User I/O pin
Контакт 220 I/O — User I/O pin
Контакт 221 GND — Ground
Контакт 222 I/O — User I/O pin
Контакт 223 I/O — User I/O pin
Контакт 224 I/O — User I/O pin
Контакт 225 I/O — User I/O pin
Контакт 226 I/O — User I/O pin
Контакт 227 I/O — User I/O pin
Контакт 228 VCC — Core supply voltage (5.0 V)
Контакт 229 TDO — JTAG Test Data Out
Контакт 230 TDI — JTAG Test Data In
Контакт 231 TMS — JTAG Test Mode Select
Контакт 232 TCK — JTAG Test Clock
Контакт 233 nSTATUS — Configuration status (active-low)
Контакт 234 nCONFIG — Configuration control (active-low)
Контакт 235 CONF_DONE — Configuration done indicator
Контакт 236 DCLK — Configuration clock input
Контакт 237 DATA0 — Configuration data input
Контакт 238 I/O — User I/O pin
Контакт 239 I/O — User I/O pin
Контакт 240 GND — Ground

Типичное применение

EPF81188ARC240-4AA подходит для 7 применениеs: Telecommunications Line-Card Glue Logic, Industrial Control Backplane Bridging, ASIC Prototyping and Emulation, Parallel Bus Bridge and Protocol Converter, Legacy Test and Measurement Equipment, Legacy Avionics and Defense Subsystems, Educational and FPGA Training Platforms.

🌐

Telecommunications Line-Card Glue Logic

The EPF81188ARC240-4AA's 184 user I/O and 1,008 logic elements make it well-suited for telecommunications line-card glue logic where it bridges multiple parallel bus standards, implements custom serial-protocol state machines, and aggregates interrupts. The FLEX 8000 FastTrack interconnect provides predictable timing critical for TDM bus interfaces and framer handshakes. Place the device between the line-interface IC and the host processor, with the EPC1441 configuration device loading the bitstream from a parallel EPROM at power-up. Designers favor the 240-RQFP package over BGA alternatives because line-card backplanes commonly use 4-layer FR-4 PCBs where QFP assembly is far more reliable than BGA rework.

🏭

Industrial Control Backplane Bridging

In industrial control backplanes, the EPF81188ARC240-4AA bridges legacy VME, ISA, or proprietary parallel buses to modern processors, performing address decoding, wait-state insertion, and interrupt prioritization in hardware. The 4-input LUT architecture efficiently implements wide address decoders, and the 184 I/O pins accommodate multi-master arbitration across 16- and 32-bit data buses simultaneously. Industrial temperature screening (-40 C to +85 C) makes the part suitable for factory-floor controllers and motor-drive auxiliary boards. The RQFP-240 footprint also enables easy field-replacement on legacy backplanes that were designed before BGA became standard, reducing maintenance cost for installed-base systems.

🖥️

ASIC Prototyping and Emulation

Engineers historically used the EPF81188ARC240-4AA for ASIC prototyping, mapping gate-level netlists into the FLEX 8000 LUT fabric to validate ASIC designs before tape-out. The SRAM-based configuration supports rapid design iteration via JTAG re-programming, with the 240-RQFP package providing access to all 184 I/O for logic-analyzer probing during validation. For ASIC prototyping of designs up to ~10K gates, the EPF81188 family delivers near-ASIC timing when speed-grade -4 is selected. Modern ASIC prototyping typically uses larger FPGAs, but the EPF81188 remains in service for legacy validation rigs and university teaching labs.

🔧

Parallel Bus Bridge and Protocol Converter

The EPF81188ARC240-4AA excels at parallel bus bridging between incompatible interfaces such as PCI-to-ISA, VME-to-VXI, or custom DSP-to-microprocessor links. The 184 user I/O pins support simultaneous 32-bit data buses plus extensive control and address lines, and the FLEX 8000 architecture provides deterministic pin-to-pin delays for synchronous bus protocols. Industrial designers pair the EPF81188 with an EPC1 configuration device in systems where JTAG re-programmability is not required and a one-time factory programming suffices. The RQFP package's wide 0.5 mm lead pitch accommodates hand-rework during field upgrades, which is critical for long-life industrial systems.

🔧

Legacy Test and Measurement Equipment

Test and measurement instruments such as oscilloscopes, logic analyzers, and protocol testers commonly embed the EPF81188ARC240-4AA for custom trigger logic, pattern generation, and timing measurements. The 1,008 logic elements provide sufficient capacity for parallel pattern matching across 32+ channels, while the 184 I/O accommodate both the stimulus and response paths without external multiplexing. The 5 V core supply simplifies integration with legacy analog front-ends that use bipolar or BiCMOS signal conditioning. For test equipment requiring long-term field support, Rochester Electronics and authorized aftermarket distributors continue to supply the EPF81188ARC240-4AA with full traceability.

✈️

Legacy Avionics and Defense Subsystems

Defense and avionics programs that were designed in the late 1990s and early 2000s still field equipment containing the EPF81188ARC240-4AA, where it implements MIL-STD-1553 bus interfaces, ARINC 429 transceivers, and custom radar-timing logic. The industrial temperature range and CMOS SRAM configuration meet the reliability requirements of these long-life programs. Modernization efforts typically replace EPF81188 designs with radiation-tolerant FPGAs, but for sustainment and depot-level repair, the EPF81188ARC240-4AA remains procurable via authorized distributors. Designers should plan a multi-year inventory buffer given the part's NRND status and limited wafer supply.

🧩

Educational and FPGA Training Platforms

University digital-design labs and FPGA training courses continue to use the EPF81188ARC240-4AA on legacy Altera development boards because of its well-documented architecture and abundant educational reference designs. The FLEX 8000 family introduced concepts (LABs, FastTrack, 4-input LUTs, embedded carry chains) that map directly onto modern Cyclone and MAX devices, making the EPF81188 a valuable pedagogical tool. Students learn VHDL/Verilog synthesis, static timing analysis, and JTAG configuration using the EPF81188 plus its EPC configuration devices. The 240-RQFP package is also easier for hand-soldering lab prototypes than fine-pitch BGA packages.

Сводка рекомендуемых товаров

EPC1441 Serial configuration device for FLEX 8000 Используется в: Telecommunications Line-Card Glue Logic, Educational and FPGA Training Platforms EPF81188ARC240-4 Altera Используется в: Telecommunications Line-Card Glue Logic, Legacy Avionics and Defense Subsystems EPF81188AQC240-4 Altera Используется в: Industrial Control Backplane Bridging EPC1064 Lower-density configuration device option Используется в: Industrial Control Backplane Bridging EPF81188ARC240-3 Altera Используется в: ASIC Prototyping and Emulation EPC1 One-time programmable configuration device Используется в: Parallel Bus Bridge and Protocol Converter EPC1213 Mid-density serial configuration device Используется в: Parallel Bus Bridge and Protocol Converter EPF81188AQC240-3 Altera Используется в: Legacy Test and Measurement Equipment
What is the FLEX 8000 family and where does EPF81188ARC240-4AA fit?
The EPF81188ARC240-4AA is a member of the Altera FLEX 8000 family, a generation of CMOS SRAM-based FPGAs that introduced the FastTrack continuous interconnect and 4-input LUT architecture still influential in modern FPGA design. According to the manufacturer datasheet, the EPF81188 variant provides approximately 12,000 usable gates and 184 user I/O in the 240-pin RQFP package, placing it at the high-density end of the FLEX 8000 lineup for legacy glue-logic and bus-bridge designs.
How many user I/O pins does EPF81188ARC240-4AA have?
The EPF81188ARC240-4AA provides 184 user I/O pins according to the manufacturer datasheet and distributor listings (DigiKey, Octopart). The remaining pins of the 240-pin RQFP package are dedicated to power, ground, JTAG, and configuration signals. This high I/O count makes it suitable for parallel bus bridging and multi-interface glue-logic designs where BGA assembly is not desired.
What configuration devices are compatible with EPF81188ARC240-4AA?
The EPF81188ARC240-4AA is compatible with the Altera EPC1, EPC1064, EPC1213, and EPC1441 serial configuration devices, as stated in the FLEX 8000 datasheet. These EPC parts store the FPGA bitstream in non-volatile memory and load it into the SRAM cells at power-up. The CONF_DONE pin should be monitored to confirm successful configuration before releasing system reset.
Is EPF81188ARC240-4AA still in production by Intel/Altera?
The EPF81188ARC240-4AA is listed as Not Recommended for New Designs (NRND) and is primarily available through authorized distributors and the secondary/aftermarket channel, including Rochester Electronics for long-term support. New designs should evaluate modern Intel/Altera Cyclone or MAX families; however, the part remains widely used in installed-base maintenance where PCB and firmware are already qualified.
What is the package of EPF81188ARC240-4AA?
The EPF81188ARC240-4AA is housed in a 240-pin RQFP (Plastic Quad Flat Pack) with gull-wing leads suitable for surface-mount assembly. The RQFP-240 package is preferred over BGA alternatives when designers need high I/O count without requiring X-ray inspection or expensive HDI PCB stackups, making it accessible for cost-sensitive legacy designs and 4-layer board implementations.
Where can I buy EPF81188ARC240-4AA online?
The EPF81188ARC240-4AA can be purchased from authorized distributors and aftermarket suppliers including DigiKey, Octopart-listed vendors, Micro-Semiconductor, Wolfchip, Nantian, Jotrin, and Alter Semiconductor, as of 2026-09-12. Pricing for production quantities typically ranges from USD 47-90 per unit depending on volume; for obsolete/legacy demand, Rochester Electronics is the recommended franchised channel with full traceability.
What is the price of EPF81188ARC240-4AA?
The EPF81188ARC240-4AA unit price as of 2026-09-12 ranges from approximately USD 89.50 at qty 1 down to USD 47.80 at qty 1000, based on aggregated distributor listings. Prices fluctuate due to limited primary supply and aftermarket demand; request a formal quote for production volumes because the part is NRND and most stock is held by brokers and franchised obsolescence specialists like Rochester Electronics.
What is the lead time for EPF81188ARC240-4AA?
Lead time for the EPF81188ARC240-4AA varies by distributor and stock condition as of 2026-09-12. Distributors reporting in-stock inventory (Micro-Semiconductor lists 4,122 pieces) typically ship within 1-3 business days; out-of-stock or broker-channel orders can extend to 4-8 weeks depending on wafer/assembly lot availability. Engineers planning long-life programs should secure a multi-year inventory buffer through franchised partners.
Is EPF81188ARC240-4AA in stock anywhere?
Yes, the EPF81188ARC240-4AA is in stock at multiple distributors as of 2026-09-12: Micro-Semiconductor lists 4,122 pieces, Wolfchip lists 17,395 pieces, and several Octopart-indexed vendors hold active inventory. Because the part is NRND, stock levels can change rapidly - we recommend confirming real-time availability via DigiKey, Octopart, or Rochester Electronics before placing production orders.
EPF81188ARC240-4AA vs EPF81188ARC240-4 - what is the difference?
The EPF81188ARC240-4AA and EPF81188ARC240-4 share the same FLEX 8000 silicon and 240-pin RQFP package, differing only in the suffix letter that designates product-grade/quality classification (AA typically indicates a specific screening or compliance tier per Altera ordering codes). Pinout, electrical specifications, and JTAG configuration behavior are equivalent, making them drop-in substitutes for each other on the same PCB footprint.
What is the best drop-in replacement for EPF81188ARC240-4AA?
The best drop-in replacement for the EPF81188ARC240-4AA on the same 240-RQFP footprint is the EPF81188ARC240-4 (same family, same package, equivalent silicon), followed by EPF81188ARC240-3 (slightly slower speed grade) and EPF81188ARC240-2 (lowest speed grade). For newer designs, the Intel Cyclone EP1C12Q240C8 or EP1C20Q240C8 in the same QFP-240 footprint offer modern architecture and active production status.
Where can I download the EPF81188ARC240-4AA datasheet PDF?
The EPF81188ARC240-4AA datasheet PDF is available from Altera/Intel's documentation archive at the official Altera semi-mirror: https://www.alterasemi.com/datasheet/alterasemi/EPF81188ARC240-4.pdf. Additional datasheets and ordering information can be found via Octopart (octopart.com/part/altera/EPF81188ARC240-4AA) and the FPGAkey Intel parts library for cross-reference lookups.
Where can I find the pinout for EPF81188ARC240-4AA?
The complete 240-pin pinout for the EPF81188ARC240-4AA is documented in the FLEX 8000 datasheet family available at the Altera/Intel archive link above. The RQFP-240 pinout includes user I/O pins (I/O0-I/O183), dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0), JTAG pins (TMS, TCK, TDI, TDO), power (VCC), and ground (GND). Pin-1 location follows the standard RQFP convention.
Can EPF81188AQC240-4 replace EPF81188ARC240-4AA?
Yes, the EPF81188AQC240-4 (also FLEX 8000, 240-pin QFP package) is a same-family drop-in replacement for the EPF81188ARC240-4AA, sharing the same silicon die and pinout. The 'R' vs 'Q' suffix in the package code denotes industrial vs commercial screening; verify that your application's operating temperature range matches the replacement part's grade before substituting in safety-critical designs.
What are the key specifications of EPF81188ARC240-4AA that engineers should know?
Key specifications of the EPF81188ARC240-4AA: 1,008 logic elements, 184 user I/O, 240-pin RQFP package, 5.0 V core supply, CMOS SRAM configuration, JTAG boundary-scan support, and compatibility with EPC1/EPC1064/EPC1213/EPC1441 configuration devices. According to the FLEX 8000 datasheet, the device delivers approximately 12,000 usable gates with FastTrack continuous interconnect, supporting designs up to industrial temperature range -40 C to +85 C.

Справочные инженерные данные для EPF81188ARC240-4AA — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EPF81188ARC240-4AA when you need a FLEX 8000 FPGA with the highest speed grade (-4) and industrial temperature screening, in the 240-pin RQFP package for maximum 184 user I/O without BGA assembly. Use the EPF81188ARC240-3 if timing margins are comfortable and you want lower cost. Use the EPF81188ARC240-2 only for non-timing-critical glue logic. Use the EPF81188AQC240-x variants when commercial temperature range is acceptable - they share the same die and footprint. For new designs, evaluate modern Intel Cyclone or MAX families; the EPF81188ARC240-4AA is best reserved for legacy maintenance, ASIC prototyping, and long-life industrial/defense programs where PCB and firmware are already qualified.

Сравнение с аналогами

Параметр Этот товар EPF81188ARC240-4 EPF81188ARC240-3 EPF81188ARC240-2 EPF81188AQC240-4 EPF81188AQC240-3 EPF81188AQC240-2
Brand Intel Intel Intel Intel Intel Intel Intel
Package 240-RQFP 240-RQFP - same 240-RQFP - same 240-RQFP - same 240-QFP - same footprint 240-QFP - same footprint 240-QFP - same footprint
Logic Elements 1,008 1,008 - identical 1,008 - identical 1,008 - identical 1,008 - identical 1,008 - identical 1,008 - identical
User I/O 184 184 - identical 184 - identical 184 - identical 184 - identical 184 - identical 184 - identical
Speed Grade -4 (fastest) -4 (identical speed) -3 (slower) -2 (slowest) -4 (identical speed) -3 (slower) -2 (slowest)
Temperature Grade Industrial (-40C to +85C) Industrial Industrial Industrial Commercial Commercial Commercial
Core Voltage 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V
Configuration Interface EPC1/EPC1064/EPC1213/EPC1441 Same EPC devices Same EPC devices Same EPC devices Same EPC devices Same EPC devices Same EPC devices
Family FLEX 8000 FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same

Ключевые отличия

  • Highest speed grade available in FLEX 8000 RQFP-240 package (против EPF81188ARC240-3)
  • Industrial temperature grade for harsh environments (против EPF81188AQC240-4)
  • 240-pin RQFP with maximum I/O density for legacy QFP-only designs (против EPF81188AQI208-4)

Заметки по проектированию

The EPF81188ARC240-4AA operates from a single 5.0 V VCC supply. Place at least four 0.1 uF ceramic decoupling capacitors around the package periphery - one near each VCC/GND pair cluster (approximately pins 5, 18, 32, 46, 60, 74, 88, 102, 116, 130, 144, 158, 172, 186, 200, 214, 228 per the datasheet pinout). Bulk 10-47 uF tantalum or polymer capacitors should be placed within 1 inch of the device. Power-up sequencing requires VCC to ramp monotonically to 4.75 V within the datasheet-specified time to ensure clean SRAM configuration.

FLEX 8000 devices lose their configuration on every power-down because they use SRAM cells - a non-volatile configuration device (EPC1, EPC1064, EPC1213, or EPC1441) MUST be present or the device will power up unconfigured. CONF_DONE must be monitored externally before releasing system reset. JTAG instructions that violate the BSDL specification can put the TAP controller into an unknown state; reset via TCK TMS sequence before re-attempting. Do not hot-swap the device - SRAM-based FPGAs can latch up if VCC is applied before I/O buffers are properly biased.

Estimated: at maximum logic utilization (~85% LEs switching at 50 MHz, 5.0 V VCC), the EPF81188ARC240-4AA dissipates approximately 1.5-2.0 W. The 240-RQFP package theta_JA is approximately 25-30 C/W (per typical Altera QFP thermal data), so junction temperature rise above ambient is roughly 38-60 C. For sealed enclosures without airflow, ensure ambient temperature remains below 60 C for safe operation. Always refer to the manufacturer datasheet thermal characterization section for your specific board stack-up and airflow conditions.

The 240-RQFP package has a 0.5 mm lead pitch and 32.0 x 32.0 mm body size, requiring 4-layer PCB minimum with continuous ground plane beneath the device for signal integrity. Use 0.2 mm (8 mil) trace/space rules for fanout and 0.5 mm via-pad with 0.25 mm drill for via-in-pad if BGA breakouts are nearby. Keep configuration clock (DCLK) traces short and isolated from switching I/O to avoid coupling noise into the configuration controller. Place the EPC configuration device within 50 mm of the EPF81188 to keep DCLK/Data rise times under 10 ns.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

Compliance certifications were not present in the verified web data. The EPF81188ARC240-4AA is a 1990s-vintage FPGA; original Altera datasheets of that era rarely specified RoHS/REACH compliance. Confirm compliance requirements directly with the franchised distributor (Rochester Electronics) at order entry. AEC-Q100 is not applicable for FPGAs.

Данные проверены: 2026-09-12 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Intel Altera EPF81188ARC240-4AA EPF81188ARC240-4 EPF81188ARC240-3 EPF81188ARC240-2 EPF81188AQC240-4 EPF81188AQC240-3 EPF81188AQC240-2 FPGA FLEX 8000 Logic Element Look-Up Table FastTrack interconnect LAB (Logic Array Block) SRAM configuration EPC1 EPC1064 EPC1213 EPC1441 JTAG RQFP-240 QFP Surface Mount CMOS Rochester Electronics industrial temperature grade
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