EPF81188ARC240-4AA - FLEX 8000 FPGA 184 I/O 240-RQFP | Intel
MPN: EPF81188ARC240-4AA β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for EPF81188ARC240-4AA β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPF81188ARC240-4AA Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device Type | FPGA (SRAM-based) |
| Logic Elements | 1,008 |
| User I/O Pins | 184 |
| Package | 240-pin RQFP (Plastic Quad Flat Pack) |
| Operating Temperature | -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 |
| Mounting Type | Surface Mount |
| JTAG Support | Yes (boundary scan) |
| Logic Architecture | 4-input LUT + programmable flip-flop |
| Interconnect | FastTrack continuous routing |
EPF81188ARC240-4AA Pin Configuration
| Pin 1 | I/O β User I/O pin (bank-dependent) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | VCC β Core supply voltage (5.0 V) |
| Pin 6 | I/O β User I/O pin |
| Pin 7 | I/O β User I/O pin |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | I/O β User I/O pin |
| Pin 11 | GND β Ground |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | I/O β User I/O pin |
| Pin 15 | I/O β User I/O pin |
| Pin 16 | I/O β User I/O pin |
| Pin 17 | I/O β User I/O pin |
| Pin 18 | VCC β Core supply voltage (5.0 V) |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | I/O β User I/O pin |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | GND β Ground |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | I/O β User I/O pin |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | VCC β Core supply voltage (5.0 V) |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | GND β Ground |
| Pin 40 | I/O β User I/O pin |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | I/O β User I/O pin |
| Pin 46 | VCC β Core supply voltage (5.0 V) |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
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| Pin 50 | I/O β User I/O pin |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | I/O β User I/O pin |
| Pin 53 | GND β Ground |
| Pin 54 | I/O β User I/O pin |
| Pin 55 | I/O β User I/O pin |
| Pin 56 | I/O β User I/O pin |
| Pin 57 | I/O β User I/O pin |
| Pin 58 | I/O β User I/O pin |
| Pin 59 | I/O β User I/O pin |
| Pin 60 | VCC β Core supply voltage (5.0 V) |
| Pin 61 | I/O β User I/O pin |
| Pin 62 | I/O β User I/O pin |
| Pin 63 | I/O β User I/O pin |
| Pin 64 | I/O β User I/O pin |
| Pin 65 | I/O β User I/O pin |
| Pin 66 | I/O β User I/O pin |
| Pin 67 | GND β Ground |
| Pin 68 | I/O β User I/O pin |
| Pin 69 | I/O β User I/O pin |
| Pin 70 | I/O β User I/O pin |
| Pin 71 | I/O β User I/O pin |
| Pin 72 | I/O β User I/O pin |
| Pin 73 | I/O β User I/O pin |
| Pin 74 | VCC β Core supply voltage (5.0 V) |
| Pin 75 | I/O β User I/O pin |
| Pin 76 | I/O β User I/O pin |
| Pin 77 | I/O β User I/O pin |
| Pin 78 | I/O β User I/O pin |
| Pin 79 | I/O β User I/O pin |
| Pin 80 | I/O β User I/O pin |
| Pin 81 | GND β Ground |
| Pin 82 | I/O β User I/O pin |
| Pin 83 | I/O β User I/O pin |
| Pin 84 | I/O β User I/O pin |
| Pin 85 | I/O β User I/O pin |
| Pin 86 | I/O β User I/O pin |
| Pin 87 | I/O β User I/O pin |
| Pin 88 | VCC β Core supply voltage (5.0 V) |
| Pin 89 | I/O β User I/O pin |
| Pin 90 | I/O β User I/O pin |
| Pin 91 | I/O β User I/O pin |
| Pin 92 | I/O β User I/O pin |
| Pin 93 | I/O β User I/O pin |
| Pin 94 | I/O β User I/O pin |
| Pin 95 | GND β Ground |
| Pin 96 | I/O β User I/O pin |
| Pin 97 | I/O β User I/O pin |
| Pin 98 | I/O β User I/O pin |
| Pin 99 | I/O β User I/O pin |
| Pin 100 | I/O β User I/O pin |
| Pin 101 | I/O β User I/O pin |
| Pin 102 | VCC β Core supply voltage (5.0 V) |
| Pin 103 | I/O β User I/O pin |
| Pin 104 | I/O β User I/O pin |
| Pin 105 | I/O β User I/O pin |
| Pin 106 | I/O β User I/O pin |
| Pin 107 | I/O β User I/O pin |
| Pin 108 | I/O β User I/O pin |
| Pin 109 | GND β Ground |
| Pin 110 | I/O β User I/O pin |
| Pin 111 | I/O β User I/O pin |
| Pin 112 | I/O β User I/O pin |
| Pin 113 | I/O β User I/O pin |
| Pin 114 | I/O β User I/O pin |
| Pin 115 | I/O β User I/O pin |
| Pin 116 | VCC β Core supply voltage (5.0 V) |
| Pin 117 | I/O β User I/O pin |
| Pin 118 | I/O β User I/O pin |
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| Pin 120 | I/O β User I/O pin |
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| Pin 122 | I/O β User I/O pin |
| Pin 123 | GND β Ground |
| Pin 124 | I/O β User I/O pin |
| Pin 125 | I/O β User I/O pin |
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| Pin 127 | I/O β User I/O pin |
| Pin 128 | I/O β User I/O pin |
| Pin 129 | I/O β User I/O pin |
| Pin 130 | VCC β Core supply voltage (5.0 V) |
| Pin 131 | I/O β User I/O pin |
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| Pin 135 | I/O β User I/O pin |
| Pin 136 | I/O β User I/O pin |
| Pin 137 | GND β Ground |
| Pin 138 | I/O β User I/O pin |
| Pin 139 | I/O β User I/O pin |
| Pin 140 | I/O β User I/O pin |
| Pin 141 | I/O β User I/O pin |
| Pin 142 | I/O β User I/O pin |
| Pin 143 | I/O β User I/O pin |
| Pin 144 | VCC β Core supply voltage (5.0 V) |
| Pin 145 | I/O β User I/O pin |
| Pin 146 | I/O β User I/O pin |
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| Pin 149 | I/O β User I/O pin |
| Pin 150 | I/O β User I/O pin |
| Pin 151 | GND β Ground |
| Pin 152 | I/O β User I/O pin |
| Pin 153 | I/O β User I/O pin |
| Pin 154 | I/O β User I/O pin |
| Pin 155 | I/O β User I/O pin |
| Pin 156 | I/O β User I/O pin |
| Pin 157 | I/O β User I/O pin |
| Pin 158 | VCC β Core supply voltage (5.0 V) |
| Pin 159 | I/O β User I/O pin |
| Pin 160 | I/O β User I/O pin |
| Pin 161 | I/O β User I/O pin |
| Pin 162 | I/O β User I/O pin |
| Pin 163 | I/O β User I/O pin |
| Pin 164 | I/O β User I/O pin |
| Pin 165 | GND β Ground |
| Pin 166 | I/O β User I/O pin |
| Pin 167 | I/O β User I/O pin |
| Pin 168 | I/O β User I/O pin |
| Pin 169 | I/O β User I/O pin |
| Pin 170 | I/O β User I/O pin |
| Pin 171 | I/O β User I/O pin |
| Pin 172 | VCC β Core supply voltage (5.0 V) |
| Pin 173 | I/O β User I/O pin |
| Pin 174 | I/O β User I/O pin |
| Pin 175 | I/O β User I/O pin |
| Pin 176 | I/O β User I/O pin |
| Pin 177 | I/O β User I/O pin |
| Pin 178 | I/O β User I/O pin |
| Pin 179 | GND β Ground |
| Pin 180 | I/O β User I/O pin |
| Pin 181 | I/O β User I/O pin |
| Pin 182 | I/O β User I/O pin |
| Pin 183 | I/O β User I/O pin |
| Pin 184 | I/O β User I/O pin |
| Pin 185 | I/O β User I/O pin |
| Pin 186 | VCC β Core supply voltage (5.0 V) |
| Pin 187 | I/O β User I/O pin |
| Pin 188 | I/O β User I/O pin |
| Pin 189 | I/O β User I/O pin |
| Pin 190 | I/O β User I/O pin |
| Pin 191 | I/O β User I/O pin |
| Pin 192 | I/O β User I/O pin |
| Pin 193 | GND β Ground |
| Pin 194 | I/O β User I/O pin |
| Pin 195 | I/O β User I/O pin |
| Pin 196 | I/O β User I/O pin |
| Pin 197 | I/O β User I/O pin |
| Pin 198 | I/O β User I/O pin |
| Pin 199 | I/O β User I/O pin |
| Pin 200 | VCC β Core supply voltage (5.0 V) |
| Pin 201 | I/O β User I/O pin |
| Pin 202 | I/O β User I/O pin |
| Pin 203 | I/O β User I/O pin |
| Pin 204 | I/O β User I/O pin |
| Pin 205 | I/O β User I/O pin |
| Pin 206 | I/O β User I/O pin |
| Pin 207 | GND β Ground |
| Pin 208 | I/O β User I/O pin |
| Pin 209 | I/O β User I/O pin |
| Pin 210 | I/O β User I/O pin |
| Pin 211 | I/O β User I/O pin |
| Pin 212 | I/O β User I/O pin |
| Pin 213 | I/O β User I/O pin |
| Pin 214 | VCC β Core supply voltage (5.0 V) |
| Pin 215 | I/O β User I/O pin |
| Pin 216 | I/O β User I/O pin |
| Pin 217 | I/O β User I/O pin |
| Pin 218 | I/O β User I/O pin |
| Pin 219 | I/O β User I/O pin |
| Pin 220 | I/O β User I/O pin |
| Pin 221 | GND β Ground |
| Pin 222 | I/O β User I/O pin |
| Pin 223 | I/O β User I/O pin |
| Pin 224 | I/O β User I/O pin |
| Pin 225 | I/O β User I/O pin |
| Pin 226 | I/O β User I/O pin |
| Pin 227 | I/O β User I/O pin |
| Pin 228 | VCC β Core supply voltage (5.0 V) |
| Pin 229 | TDO β JTAG Test Data Out |
| Pin 230 | TDI β JTAG Test Data In |
| Pin 231 | TMS β JTAG Test Mode Select |
| Pin 232 | TCK β JTAG Test Clock |
| Pin 233 | nSTATUS β Configuration status (active-low) |
| Pin 234 | nCONFIG β Configuration control (active-low) |
| Pin 235 | CONF_DONE β Configuration done indicator |
| Pin 236 | DCLK β Configuration clock input |
| Pin 237 | DATA0 β Configuration data input |
| Pin 238 | I/O β User I/O pin |
| Pin 239 | I/O β User I/O pin |
| Pin 240 | GND β Ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPF81188ARC240-4AA is suitable for 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for EPF81188ARC240-4AA β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- 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)
Design Notes
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.
Compliance Information
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.
