Intel

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

Référence : EPF81188ARC240-4AA ✗ Fin de vie
En stock Expédié sous 1 à 3 jours ouvrés
5.0 V Vdss 240-pin RQFP (Plastic Quad Flat Pack) Package
À partir de $47.8 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-09-11
Tarifs dégressifs
Qté Prix unitaire Total
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 Tous les prix sont en USD

EPF81188ARC240-4AA Présentation

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.

Alternatives de remplacement direct pour EPF81188ARC240-4AA — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec EPF81188ARC240-4AA (même facteur de forme et même empreinte) — différant par 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)
Comparer avec EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP) 32x32 mm
Speed Grade: -3
Process Technology: 0.42 µm CMOS
Comparer avec EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP)
Speed Grade: -4 (slowest / most economical)
Process Technology: 0.42 µm CMOS SRAM
Comparer avec EPF81188ARC240-4AA →
Altera
Package: 240-BFQFP (240-RQFP) Exposed Pad
Process Technology: 0.42 µm CMOS
Comparer avec EPF81188ARC240-4AA →
Altera
Package: 240-RQFP / BFQFP (32x32 mm)
Speed Grade: -3 (mid)
Process Technology: 0.42 µm CMOS SRAM
Comparer avec EPF81188ARC240-4AA →
Altera
Speed Grade: -4
Process Technology: 5 V CMOS SRAM
Configuration Method: Serial / Parallel / JTAG (IEEE 1149.1)
Comparer avec EPF81188ARC240-4AA →
Altera
Package: PQFP-240 (Plastic Quad Flatpack), 0.500 mm pitch
Speed Grade: -5 (5 ns propagation delay)
Process Technology: CMOS
Comparer avec EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (RQFP-240)
Speed Grade: -6
Process Technology: CMOS, SRAM configuration
Comparer avec EPF81188ARC240-4AA →
Intel
Package: 240-pin RQFP (BFQFP exposed pad)
Speed Grade: -4
Process Technology: 0.42 µm CMOS SRAM
Comparer avec EPF81188ARC240-4AA →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

EPF81188ARC240-4

✅ Remplacement direct
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)

✓ En stock

$30.1 / unité

Voir la fiche technique →

EPF81188ARC240-3

✅ Remplacement direct
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)

✓ En stock

$55.4 / unité

Voir la fiche technique →

EPF81188ARC240-2

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

✓ En stock

$178.34 / unité

Voir la fiche technique →

EPF81188AQC240-4

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

✓ En stock

$18.2 / unité

Voir la fiche technique →

EPF81188AQC240-3

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

✓ En stock

$30 / unité

Voir la fiche technique →

EPF81188AQC240-2

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

✓ En stock

$27.1 / unité

Voir la fiche technique →

EPF81188ARC240-4AA Valeurs maximales et caractéristiques électriques

Family FLEX 8000
Device Type FPGA (SRAM-based)
Logic Elements 1,008
User I/O Pins 184
Boîtier 240-pin RQFP (Plastic Quad Flat Pack)
Température de fonctionnement -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
Type de montage Surface Mount
JTAG Support Yes (boundary scan)
Logic Architecture 4-input LUT + programmable flip-flop
Interconnect FastTrack continuous routing

Configuration des broches de 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
Broche 1 I/O — User I/O pin (bank-dependent)
Broche 2 I/O — User I/O pin
Broche 3 I/O — User I/O pin
Broche 4 I/O — User I/O pin
Broche 5 VCC — Core supply voltage (5.0 V)
Broche 6 I/O — User I/O pin
Broche 7 I/O — User I/O pin
Broche 8 I/O — User I/O pin
Broche 9 I/O — User I/O pin
Broche 10 I/O — User I/O pin
Broche 11 GND — Ground
Broche 12 I/O — User I/O pin
Broche 13 I/O — User I/O pin
Broche 14 I/O — User I/O pin
Broche 15 I/O — User I/O pin
Broche 16 I/O — User I/O pin
Broche 17 I/O — User I/O pin
Broche 18 VCC — Core supply voltage (5.0 V)
Broche 19 I/O — User I/O pin
Broche 20 I/O — User I/O pin
Broche 21 I/O — User I/O pin
Broche 22 I/O — User I/O pin
Broche 23 I/O — User I/O pin
Broche 24 I/O — User I/O pin
Broche 25 GND — Ground
Broche 26 I/O — User I/O pin
Broche 27 I/O — User I/O pin
Broche 28 I/O — User I/O pin
Broche 29 I/O — User I/O pin
Broche 30 I/O — User I/O pin
Broche 31 I/O — User I/O pin
Broche 32 VCC — Core supply voltage (5.0 V)
Broche 33 I/O — User I/O pin
Broche 34 I/O — User I/O pin
Broche 35 I/O — User I/O pin
Broche 36 I/O — User I/O pin
Broche 37 I/O — User I/O pin
Broche 38 I/O — User I/O pin
Broche 39 GND — Ground
Broche 40 I/O — User I/O pin
Broche 41 I/O — User I/O pin
Broche 42 I/O — User I/O pin
Broche 43 I/O — User I/O pin
Broche 44 I/O — User I/O pin
Broche 45 I/O — User I/O pin
Broche 46 VCC — Core supply voltage (5.0 V)
Broche 47 I/O — User I/O pin
Broche 48 I/O — User I/O pin
Broche 49 I/O — User I/O pin
Broche 50 I/O — User I/O pin
Broche 51 I/O — User I/O pin
Broche 52 I/O — User I/O pin
Broche 53 GND — Ground
Broche 54 I/O — User I/O pin
Broche 55 I/O — User I/O pin
Broche 56 I/O — User I/O pin
Broche 57 I/O — User I/O pin
Broche 58 I/O — User I/O pin
Broche 59 I/O — User I/O pin
Broche 60 VCC — Core supply voltage (5.0 V)
Broche 61 I/O — User I/O pin
Broche 62 I/O — User I/O pin
Broche 63 I/O — User I/O pin
Broche 64 I/O — User I/O pin
Broche 65 I/O — User I/O pin
Broche 66 I/O — User I/O pin
Broche 67 GND — Ground
Broche 68 I/O — User I/O pin
Broche 69 I/O — User I/O pin
Broche 70 I/O — User I/O pin
Broche 71 I/O — User I/O pin
Broche 72 I/O — User I/O pin
Broche 73 I/O — User I/O pin
Broche 74 VCC — Core supply voltage (5.0 V)
Broche 75 I/O — User I/O pin
Broche 76 I/O — User I/O pin
Broche 77 I/O — User I/O pin
Broche 78 I/O — User I/O pin
Broche 79 I/O — User I/O pin
Broche 80 I/O — User I/O pin
Broche 81 GND — Ground
Broche 82 I/O — User I/O pin
Broche 83 I/O — User I/O pin
Broche 84 I/O — User I/O pin
Broche 85 I/O — User I/O pin
Broche 86 I/O — User I/O pin
Broche 87 I/O — User I/O pin
Broche 88 VCC — Core supply voltage (5.0 V)
Broche 89 I/O — User I/O pin
Broche 90 I/O — User I/O pin
Broche 91 I/O — User I/O pin
Broche 92 I/O — User I/O pin
Broche 93 I/O — User I/O pin
Broche 94 I/O — User I/O pin
Broche 95 GND — Ground
Broche 96 I/O — User I/O pin
Broche 97 I/O — User I/O pin
Broche 98 I/O — User I/O pin
Broche 99 I/O — User I/O pin
Broche 100 I/O — User I/O pin
Broche 101 I/O — User I/O pin
Broche 102 VCC — Core supply voltage (5.0 V)
Broche 103 I/O — User I/O pin
Broche 104 I/O — User I/O pin
Broche 105 I/O — User I/O pin
Broche 106 I/O — User I/O pin
Broche 107 I/O — User I/O pin
Broche 108 I/O — User I/O pin
Broche 109 GND — Ground
Broche 110 I/O — User I/O pin
Broche 111 I/O — User I/O pin
Broche 112 I/O — User I/O pin
Broche 113 I/O — User I/O pin
Broche 114 I/O — User I/O pin
Broche 115 I/O — User I/O pin
Broche 116 VCC — Core supply voltage (5.0 V)
Broche 117 I/O — User I/O pin
Broche 118 I/O — User I/O pin
Broche 119 I/O — User I/O pin
Broche 120 I/O — User I/O pin
Broche 121 I/O — User I/O pin
Broche 122 I/O — User I/O pin
Broche 123 GND — Ground
Broche 124 I/O — User I/O pin
Broche 125 I/O — User I/O pin
Broche 126 I/O — User I/O pin
Broche 127 I/O — User I/O pin
Broche 128 I/O — User I/O pin
Broche 129 I/O — User I/O pin
Broche 130 VCC — Core supply voltage (5.0 V)
Broche 131 I/O — User I/O pin
Broche 132 I/O — User I/O pin
Broche 133 I/O — User I/O pin
Broche 134 I/O — User I/O pin
Broche 135 I/O — User I/O pin
Broche 136 I/O — User I/O pin
Broche 137 GND — Ground
Broche 138 I/O — User I/O pin
Broche 139 I/O — User I/O pin
Broche 140 I/O — User I/O pin
Broche 141 I/O — User I/O pin
Broche 142 I/O — User I/O pin
Broche 143 I/O — User I/O pin
Broche 144 VCC — Core supply voltage (5.0 V)
Broche 145 I/O — User I/O pin
Broche 146 I/O — User I/O pin
Broche 147 I/O — User I/O pin
Broche 148 I/O — User I/O pin
Broche 149 I/O — User I/O pin
Broche 150 I/O — User I/O pin
Broche 151 GND — Ground
Broche 152 I/O — User I/O pin
Broche 153 I/O — User I/O pin
Broche 154 I/O — User I/O pin
Broche 155 I/O — User I/O pin
Broche 156 I/O — User I/O pin
Broche 157 I/O — User I/O pin
Broche 158 VCC — Core supply voltage (5.0 V)
Broche 159 I/O — User I/O pin
Broche 160 I/O — User I/O pin
Broche 161 I/O — User I/O pin
Broche 162 I/O — User I/O pin
Broche 163 I/O — User I/O pin
Broche 164 I/O — User I/O pin
Broche 165 GND — Ground
Broche 166 I/O — User I/O pin
Broche 167 I/O — User I/O pin
Broche 168 I/O — User I/O pin
Broche 169 I/O — User I/O pin
Broche 170 I/O — User I/O pin
Broche 171 I/O — User I/O pin
Broche 172 VCC — Core supply voltage (5.0 V)
Broche 173 I/O — User I/O pin
Broche 174 I/O — User I/O pin
Broche 175 I/O — User I/O pin
Broche 176 I/O — User I/O pin
Broche 177 I/O — User I/O pin
Broche 178 I/O — User I/O pin
Broche 179 GND — Ground
Broche 180 I/O — User I/O pin
Broche 181 I/O — User I/O pin
Broche 182 I/O — User I/O pin
Broche 183 I/O — User I/O pin
Broche 184 I/O — User I/O pin
Broche 185 I/O — User I/O pin
Broche 186 VCC — Core supply voltage (5.0 V)
Broche 187 I/O — User I/O pin
Broche 188 I/O — User I/O pin
Broche 189 I/O — User I/O pin
Broche 190 I/O — User I/O pin
Broche 191 I/O — User I/O pin
Broche 192 I/O — User I/O pin
Broche 193 GND — Ground
Broche 194 I/O — User I/O pin
Broche 195 I/O — User I/O pin
Broche 196 I/O — User I/O pin
Broche 197 I/O — User I/O pin
Broche 198 I/O — User I/O pin
Broche 199 I/O — User I/O pin
Broche 200 VCC — Core supply voltage (5.0 V)
Broche 201 I/O — User I/O pin
Broche 202 I/O — User I/O pin
Broche 203 I/O — User I/O pin
Broche 204 I/O — User I/O pin
Broche 205 I/O — User I/O pin
Broche 206 I/O — User I/O pin
Broche 207 GND — Ground
Broche 208 I/O — User I/O pin
Broche 209 I/O — User I/O pin
Broche 210 I/O — User I/O pin
Broche 211 I/O — User I/O pin
Broche 212 I/O — User I/O pin
Broche 213 I/O — User I/O pin
Broche 214 VCC — Core supply voltage (5.0 V)
Broche 215 I/O — User I/O pin
Broche 216 I/O — User I/O pin
Broche 217 I/O — User I/O pin
Broche 218 I/O — User I/O pin
Broche 219 I/O — User I/O pin
Broche 220 I/O — User I/O pin
Broche 221 GND — Ground
Broche 222 I/O — User I/O pin
Broche 223 I/O — User I/O pin
Broche 224 I/O — User I/O pin
Broche 225 I/O — User I/O pin
Broche 226 I/O — User I/O pin
Broche 227 I/O — User I/O pin
Broche 228 VCC — Core supply voltage (5.0 V)
Broche 229 TDO — JTAG Test Data Out
Broche 230 TDI — JTAG Test Data In
Broche 231 TMS — JTAG Test Mode Select
Broche 232 TCK — JTAG Test Clock
Broche 233 nSTATUS — Configuration status (active-low)
Broche 234 nCONFIG — Configuration control (active-low)
Broche 235 CONF_DONE — Configuration done indicator
Broche 236 DCLK — Configuration clock input
Broche 237 DATA0 — Configuration data input
Broche 238 I/O — User I/O pin
Broche 239 I/O — User I/O pin
Broche 240 GND — Ground

Applications typiques

EPF81188ARC240-4AA convient pour 7 applications: 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.

Récapitulatif des produits recommandés

EPC1441 Serial configuration device for FLEX 8000 Utilisé dans : Telecommunications Line-Card Glue Logic, Educational and FPGA Training Platforms EPF81188ARC240-4 Altera Utilisé dans : Telecommunications Line-Card Glue Logic, Legacy Avionics and Defense Subsystems EPF81188AQC240-4 Altera Utilisé dans : Industrial Control Backplane Bridging EPC1064 Lower-density configuration device option Utilisé dans : Industrial Control Backplane Bridging EPF81188ARC240-3 Altera Utilisé dans : ASIC Prototyping and Emulation EPC1 One-time programmable configuration device Utilisé dans : Parallel Bus Bridge and Protocol Converter EPC1213 Mid-density serial configuration device Utilisé dans : Parallel Bus Bridge and Protocol Converter EPF81188AQC240-3 Altera Utilisé dans : 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.

Données de référence d'ingénierie pour EPF81188ARC240-4AA — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

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.

Comparaison avec les alternatives

Paramètre Ce produit 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

Principaux différenciateurs

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

Notes de conception

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.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
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.

Données vérifiées le : 2026-09-12 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

EPF81188ARC240-4AA EPF81188ARC240-4AA datasheet EPF81188ARC240-4AA price FLEX 8000 FPGA 240-RQFP Altera EPF81188 equivalent EPF81188 drop-in replacement Intel FLEX 8000 FPGA buy EPF81188ARC240-4AA pinout FLEX 8000 configuration EPC1441 EPF81188ARC240-4AA vs EPF81188ARC240-4 what is FLEX 8000 FPGA 240-pin RQFP FPGA industrial EPF81188 lead time distributor

Composants & termes associés

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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