Intel

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

MPN: EPF81188ARC240-4AA ✗ اختتامِ زندگی
5.0 V Vdss 240-pin RQFP (Plastic Quad Flat Pack) Package
MOQ: 1 |

EPF81188ARC240-4AA جائزہ

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.

کے لیے ڈراپ اِن متبادل EPF81188ARC240-4AA — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔

اس سیریز میں مختلف ورژن

اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں EPF81188ARC240-4AA (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف 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)
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP) 32x32 mm
Speed Grade: -3
Process Technology: 0.42 µm CMOS
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (BFQFP)
Speed Grade: -4 (slowest / most economical)
Process Technology: 0.42 µm CMOS SRAM
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: 240-BFQFP (240-RQFP) Exposed Pad
Process Technology: 0.42 µm CMOS
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: 240-RQFP / BFQFP (32x32 mm)
Speed Grade: -3 (mid)
Process Technology: 0.42 µm CMOS SRAM
موازنہ کریں EPF81188ARC240-4AA →
Altera
Speed Grade: -4
Process Technology: 5 V CMOS SRAM
Configuration Method: Serial / Parallel / JTAG (IEEE 1149.1)
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: PQFP-240 (Plastic Quad Flatpack), 0.500 mm pitch
Speed Grade: -5 (5 ns propagation delay)
Process Technology: CMOS
موازنہ کریں EPF81188ARC240-4AA →
Altera
Package: 240-pin PQFP (RQFP-240)
Speed Grade: -6
Process Technology: CMOS, SRAM configuration
موازنہ کریں EPF81188ARC240-4AA →
Intel
Package: 240-pin RQFP (BFQFP exposed pad)
Speed Grade: -4
Process Technology: 0.42 µm CMOS SRAM
موازنہ کریں EPF81188ARC240-4AA →

EPF81188ARC240-4

✅ ڈراپ-اِن
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)

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188ARC240-3

✅ ڈراپ-اِن
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)

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188ARC240-2

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

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188AQC240-4

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

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188AQC240-3

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

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188AQC240-2

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

قیمت کے لیے رابطہ کریں

ڈیٹا شیٹ دیکھیں →

EPF81188ARC240-4AA زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات

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

EPF81188ARC240-4AA پن کنفیگریشن

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

عام استعمالات

EPF81188ARC240-4AA کے لیے موزوں ہے 7 ایپلیکیشنs: 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.

تجویز کردہ پروڈکٹس کا خلاصہ

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

کے لیے انجینئرنگ ریفرنس ڈیٹا EPF81188ARC240-4AA — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔

انتخاب کی گائیڈ

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.

متبادلات کے ساتھ موازنہ

پیرامیٹر یہ پروڈکٹ 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

اہم امتیازی خصوصیات

  • Highest speed grade available in FLEX 8000 RQFP-240 package (بمقابلہEPF81188ARC240-3)
  • Industrial temperature grade for harsh environments (بمقابلہEPF81188AQC240-4)
  • 240-pin RQFP with maximum I/O density for legacy QFP-only designs (بمقابلہEPF81188AQI208-4)

ڈیزائن نوٹس

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.

تعمیل کی معلومات

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
لیڈ فری
Unknown
ہیلوجن فری
Unknown
کنفلیکٹ منرلز
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.

ڈیٹا کی تصدیق کی تاریخ: 2026-09-12 — ڈیٹا XAIPART کی کمپوننٹ انجینئرنگ ٹیم کے ذریعے تصدیق شدہ اور ترتیب شدہ

متعلقہ تلاشیں

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

متعلقہ اجزاء اور اصطلاحات

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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