Altera

EPF81188ARC240-2 - FLEX 8000 FPGA 12K Gates 240-RQFP | Altera

MPN: EPF81188ARC240-2 ✗ End of Life
In Stock Ships in 1-3 business days
5 V Vdss 240-BFQFP (240-RQFP) Exposed Pad Package 125 MHz Speed
From $178.34 USD / Unit
MOQ: 1 |
Price updated: 2026-09-11
Volume Pricing
Qty Unit Price Extended
1 $237.78 $237.78
10 $225.89 $2,258.90
100 $213.99 $21,399.00
500 $195.5 $97,750.00
1,000 $178.34 $178,340.00
ℹ️ All prices are in USD

Drop-in alternatives for EPF81188ARC240-2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EPF81188ARC240-1

✅ Drop-In
📦 240-BFQFP (240-RQFP) Exposed Pad
Same die and 240-RQFP package, slower speed grade (lower max frequency vs -2 grade)

📋 Reference alternative (not in catalog)

EPF81188AGC232-2

✅ Drop-In
Altera
📦 232-Pin PGA/GQFN equivalent family (pin-compatible FLEX 8000 in different package, NOT drop-in on RQFP footprint)
FLEX 8000 · 12,000 · 1,008 · 1,500 · 125 MHz · 0.42 µm CMOS · 5 V · 3.3 V / 5 V configurable

✓ In Stock

$92 / Unit

View Datasheet →

EPF81188AGC232-3

✅ Drop-In
Intel
📦 232-Pin equivalent FLEX 8000 family (different package from RQFP-240, NOT pin-compatible drop-in)
FLEX 8000 · CPLD (Complex Programmable Logic Device) · 12,000 · 1008 · 1,500 · 125 MHz · 0.42 µm CMOS · 5 V

✓ In Stock

$142 / Unit

View Datasheet →

EPF81188AQC240-2

✅ Drop-In
Altera
📦 240-BFQFP (240-RQFP) Exposed Pad
FLEX 8000 · 12,000 · 1,008 · 126 · 184 · 148 · 240-BFQFP / 240-Pin PQFP · 240

✓ In Stock

$27.1 / Unit

View Datasheet →

EPF8282ARC240-2

✅ Drop-In
📦 240-BFQFP (240-RQFP) Exposed Pad
Same 240-RQFP footprint, higher gate count (EPF8282 family), same -2 speed grade

📋 Reference alternative (not in catalog)

EPF81188AQC240-3

✅ Drop-In
Altera
📦 240-BFQFP (240-RQFP) Exposed Pad
Altera (now Intel) · FLEX 8000 · FPGA (Field-Programmable Gate Array) · 12,000 · 1,008 · 126 · 184 · 125 MHz

✓ In Stock

$30 / Unit

View Datasheet →

EPF81188ARC240-2 Maximum Ratings & Electrical Characteristics

Family FLEX 8000
Logic Elements / Cells 1008
Usable Gates 12,000
Number of I/O 184
Number of Logic Blocks/Elements 1008
Operating Voltage 5 V
Maximum Operating Frequency 125 MHz
Process Technology 0.42 µm CMOS
Package 240-BFQFP (240-RQFP) Exposed Pad
Mounting Type Surface Mount
Programmable Logic Type Programmable (In-system reconfigurable)
PCI Compliance Yes - PCI Local Bus Specification (PCI SIG)
In-Circuit Reconfigurability Yes (ICR via external configuration device or intelligent controller)
RoHS Status Non-Compliant (legacy 5 V part)
Development Tool Altera MAX+PLUS II
HD Languages VHDL, Verilog HDL

EPF81188ARC240-2 240-bfqfp (240-rqfp) exposed pad Pin Configuration Guide

Complete pinout information for EPF81188ARC240-2 (240-bfqfp (240-rqfp) exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

240-bfqfp (240-rqfp) exposed pad package pinout diagram for EPF81188ARC240-2

No detailed pinout data available for EPF81188ARC240-2.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EPF81188ARC240-2 Drain-to-Source Voltage (Vds) Drain Current (Id)

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

EPF81188ARC240-2 is suitable for 7 applications: PCI Bus Interface Card Logic, Industrial Control and Factory Automation, Telecommunications Backplane Glue Logic, Legacy Computing Expansion Peripherals, Avionics and Military Retrofit Systems, Medical Device Control Logic, Test and Measurement Instrumentation.

🖥️

PCI Bus Interface Card Logic

The EPF81188ARC240-2 is well suited to PCI expansion cards and embedded computing peripherals that require PCI Local Bus Specification compliance at 33 MHz. Its integrated PCI-compliant I/O block supports the bus protocol natively, while 12,000 usable gates and 1,008 logic cells provide ample capacity for bus arbitration state machines, scatter-gather DMA controllers, and device-specific custom logic. The 184 user I/O pins comfortably accommodate a 32-bit PCI bus (49 pins) plus local device interface, status LEDs, and configuration EEPROM control. The 5 V tolerance matches the PCI signaling environment. Design tip: pair the FPGA with an Altera EPC configuration device for plug-and-play BIOS enumeration at power-on.

🏭

Industrial Control and Factory Automation

The EPF81188ARC240-2 fits legacy 5 V industrial PLC backplanes and factory automation controllers where 24 V field-bus interfaces require level translation and protocol bridging. Its 12,000 gates support multi-protocol stacks (Modbus, Profibus, DeviceNet bridging logic), and 184 I/O pins handle parallel digital I/O, encoder inputs, and stepper/direction signals for multi-axis motion control. The 125 MHz internal performance enables deterministic state-machine timing for safety interlocks and PID control loops. The RQFP-240 package with exposed pad supports industrial operating temperature ranges when properly thermal-managed. Note: confirm RoHS/REACH status with end-customer specifications - this part is non-RoHS.

🌐

Telecommunications Backplane Glue Logic

The EPF81188ARC240-2 excels in telecom backplane applications as protocol-conversion and bus-arbitration glue logic between legacy T1/E1 framers, HDLC controllers, and TDM switching fabrics. Its register-rich architecture (up to 1,500 flip-flops) suits bit-level time-slot interchange and channel-associated signalling processing, while the 184 I/O pins accommodate parallel bus connections to multiple framers simultaneously. PCI compliance allows direct interface to host processor cards via PCI mezzanine (PMC) connectors. The 5 V supply matches the telecom -48 V backplane intermediate voltage rails. Use the in-circuit reconfigurability to enable remote firmware updates for deployed telecom hardware.

🖥️

Legacy Computing Expansion Peripherals

The EPF81188ARC240-2 is a natural fit for ISA-bus and PCI-bus expansion cards in legacy industrial PCs, test instrumentation, and retrofitted manufacturing equipment. Its 12,000 usable gates support custom peripheral controllers such as data acquisition front-ends, GPIB/IEEE-488 interfaces, and parallel I/O expansion. The 184 I/O count allows direct connection to 16-bit ISA data/address buses (40 pins) plus interrupt, DMA, and I/O-chrdy signals with substantial remaining capacity for application logic. The 5 V tolerance matches legacy bus standards. Designers benefit from mature MAX+PLUS II toolchain support and decades of reference designs available in Altera application notes.

✈️

Avionics and Military Retrofit Systems

The EPF81188ARC240-2 supports long-lifecycle avionics and military retrofit programs where 5 V tolerance, mature silicon, and decades of field-proven reliability outweigh the need for the latest process technology. Its 12,000 gates accommodate MIL-STD-1553 bus interfaces, ARINC 429 databuses, and discrete I/O conditioning for cockpit displays and avionics LRUs (Line Replaceable Units). The RQFP-240 package with exposed pad provides robust thermal performance under extended temperature ranges when paired with appropriate heatsinking. The PCI compliance also enables retrofit to modern COTS (Commercial Off-The-Shelf) processor boards via PMC sites. Long-term availability through Rochester Electronics is critical for program continuity.

💊

Medical Device Control Logic

The EPF81188ARC240-2 finds application in legacy medical device controllers - patient monitors, infusion pumps, and diagnostic imaging interfaces - where deterministic behavior, long product lifecycles, and regulatory familiarity outweigh absolute processing power. Its register-rich architecture suits safety-critical state machines with redundancy check logic, while 184 I/O pins interface to sensor arrays, LCD displays, keypads, and audio alarms. The 5 V tolerance matches traditional medical electronics power rails. PCI compliance allows integration into cart-based medical computing platforms. Validate IEC 60601-1 compliance and patient-leakage current requirements - the 5 V process does not provide modern medical-grade isolation features built in.

🔧

Test and Measurement Instrumentation

The EPF81188ARC240-2 supports custom test and measurement instruments such as logic analyzers, protocol analyzers, and ATE (Automatic Test Equipment) interface cards. Its 12,000 gates implement trigger sequencers, pattern generators, and protocol-aware timing analyzers with high I/O count for parallel acquisition channels. The PCI compliance allows direct insertion into standard PC-based tester backplanes. The 125 MHz performance supports 100 MHz Ethernet MAC implementation for networked test equipment. The MAX+PLUS II toolchain provides simulation and timing analysis required for measurement-grade accuracy verification. Designers appreciate the deterministic FastTrack routing for repeatable measurement timing.

What is the logic capacity of the EPF81188ARC240-2?
The EPF81188ARC240-2 provides 12,000 usable gates and 1,008 logic elements (cells) within the FLEX 8000 family. According to the Altera FLEX 8000 datasheet, the part can implement between 282 and 1,500 registers depending on logic utilization, with 184 user I/O pins available. The 0.42 µm CMOS process and 5 V operation make it a mature legacy PLD platform for industrial and telecom designs.
What package does the EPF81188ARC240-2 use?
The EPF81188ARC240-2 is housed in a 240-pin RQFP (also described as 240-BFQFP) package with an exposed thermal pad. Per the Altera datasheet, this surface-mount package supports the device's 184 user I/O pins plus power, ground, configuration, and clock pins. The exposed pad must be soldered to a PCB thermal pad for reliable operation across the operating temperature range.
What is the maximum operating frequency of the EPF81188ARC240-2?
The EPF81188ARC240-2 supports a maximum system clock frequency of 125 MHz per the Altera FLEX 8000 datasheet. The -2 speed grade reflects a specific timing bin within the family. The PCI-compliant I/O block supports 33 MHz PCI Local Bus operation, and the FastTrack continuous interconnect fabric provides predictable routing delays independent of placement.
Is the EPF81188ARC240-2 still in production?
The EPF81188ARC240-2 is classified as Not Recommended for New Designs (NRND) by Altera/Intel, reflecting the legacy status of the FLEX 8000 family. Distribution inventory remains available through authorized channels like Rochester Electronics for long-term support, and the part continues to ship in volume from multiple distributors as of 2026-09-12.
Where can I buy the EPF81188ARC240-2 online?
As of 2026-09-12, the EPF81188ARC240-2 is available from authorized distributors including Rochester Electronics (via DigiKey listing 11555980), Altera-direct stock (DigiKey listing 4161729), Heisener, Win Source, and Octopart-indexed sources. Unit pricing observed is approximately $237.78 at qty 1, with Heisener reporting 6,544 pieces in stock for immediate shipment.
What is the price of the EPF81188ARC240-2 in 100-piece quantities?
As of 2026-09-12, the EPF81188ARC240-2 unit price at qty 100 is approximately $213.99 based on aggregated distributor data, down from $237.78 at qty 1. Pricing scales further at qty 500 (~$195.50) and qty 1000 (~$178.34). Heisener.com lists 6,544 units in stock at $237.78 unit price for low-volume purchases.
What is the lead time for the EPF81188ARC240-2?
Lead time for the EPF81188ARC240-2 is short for stock units. According to Heisener, orders can ship immediately from 6,544-piece inventory with estimated delivery in early-to-mid August. Rochester Electronics provides long-term continuity supply for legacy Altera parts, while standard DigiKey/Octopart channels report real-time distributor stock with same-day shipping where available.
EPF81188ARC240-2 vs EPF81188ARC240-1 - which should I choose?
Both are FLEX 8000 family FPGAs in the same 240-RQFP package with identical 12,000 gates and 1,008 cells; they differ in speed grade only. Choose the -2 grade (this part) for higher 125 MHz performance, or the -1 grade for cost-sensitive designs where maximum frequency is lower. Both are pin-compatible drop-in replacements on the same PCB footprint.
What is the best drop-in replacement for the EPF81188ARC240-2?
The best drop-in replacement is the EPF81188ARC240-1 - the same FLEX 8000 die in the same 240-RQFP package with a slower speed grade. Per the Altera datasheet, all 240-pin RQFP FLEX 8000 family members are pin-compatible. The EPF8282ARC240-2 offers higher gate count for designs needing more logic density, though its I/O count differs.
Is there a newer Intel/Altera FPGA that replaces the FLEX 8000 family?
Modern replacements are in the MAX II, MAX V, or MAX 10 families (non-volatile CPLDs) for low-density glue logic, or the Cyclone series for higher-density FPGA needs. These are NOT drop-in compatible and require PCB redesign, new development tools (Quartus Prime instead of MAX+PLUS II), and HDL recompilation. For true pin-compatibility within FLEX 8000, stay within the 240-RQFP family variants.
What is the difference between EPF81188ARC240-2 and EPF8282ARC240-2?
Both are Altera FLEX 8000 family FPGAs in the 240-RQFP package, but they differ in logic capacity. The EPF81188ARC240-2 has 12,000 usable gates and 1,008 cells, while the EPF8282ARC240-2 offers higher gate count for denser logic. Both share the 240-RQFP footprint, making them pin-compatible at the package level but requiring re-synthesis for the different logic cell counts.
Where to download EPF81188ARC240-2 datasheet PDF?
The official Altera FLEX 8000 datasheet is available at https://www.altera.com/literature/ds/dsflex.pdf and contains complete specifications for the EPF81188ARC240-2 variant including DC characteristics, AC timing, pinout, and packaging information. Third-party mirrors are listed at digchips.com and pdf.datasheet.support. The datasheet also documents the MAX+PLUS II development flow.
Where to find EPF81188ARC240-2 pinout?
The EPF81188ARC240-2 pinout is documented in the Altera FLEX 8000 datasheet (https://www.altera.com/literature/ds/dsflex.pdf). The 240-RQFP package assigns 184 pins to user I/O with the remaining pins allocated to power (VCC), ground (GND), configuration (MSELn, nCONFIG, nSTATUS, CONF_DONE), clock (CLK), and the exposed thermal pad. A pinout diagram is included in the package specification section.
Does the EPF81188ARC240-2 support PCI bus?
Yes - the EPF81188ARC240-2 is fully compliant with the PCI Local Bus Specification from the PCI Special Interest Group (PCI SIG), per the Altera FLEX 8000 datasheet. The integrated PCI-compliant I/O block supports 33 MHz PCI bus operation directly without external bridging logic. This makes the device well suited to legacy PCI expansion cards, industrial backplane interfaces, and embedded computing applications.
What is the MAX+PLUS II development tool for FLEX 8000?
MAX+PLUS II is Altera's legacy integrated development environment (IDE) for the FLEX 8000 family. Per the datasheet, MAX+PLUS II provides text-based design entry (including AHDL, VHDL, and Verilog HDL), waveform design entry, logic synthesis, compilation, simulation, and timing analysis. It produces EDIF 2.0 0 outputs compatible with the EPC configuration devices. Modern Intel Quartus Prime does not support FLEX 8000, so MAX+PLUS II remains required.
Is the EPF81188ARC240-2 RoHS compliant?
No - the EPF81188ARC240-2 is NOT RoHS compliant. Per distributor Jotrin Electronics specifications, the part is not lead-free and uses a non-RoHS-compatible finish, consistent with its legacy 5 V CMOS process and pre-RoHS-era RQFP packaging. For RoHS-compliant equivalents in the same family, consider newer MAX II or Cyclone series devices, which require PCB redesign but provide full RoHS/REACH compliance.

Engineering reference data for EPF81188ARC240-2 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EPF81188ARC240-2 when you need a mature, PCI-compliant 5 V FPGA with maximum 184 user I/O and 12,000 usable gates in a 240-RQFP surface-mount package, particularly for legacy industrial, telecom backplane, or PCI expansion designs. Select the EPF81188ARC240-1 instead if your timing budget can tolerate lower maximum frequency for cost savings. Choose the EPF81188AQC240-2 if you need 208 I/O with the same -2 speed grade (same package). Opt for EPF81188AQC240-3 for the highest performance -3 speed grade in the same package. Pick the EPF8282ARC240-2 only if you specifically need higher gate count in the FLEX 8000 family. Avoid migrating to modern MAX II/Cyclone unless full RoHS compliance and active new product introduction is required - the migration cost (PCB redesign, HDL recompilation, toolchain change) is substantial.

Comparison with Alternatives

Parameter This Product EPF81188ARC240-1 EPF81188AQC240-2 EPF81188AQC240-3 EPF8282ARC240-2
Package 240-BFQFP (240-RQFP) Exposed Pad 240-BFQFP (240-RQFP) Exposed Pad 240-BFQFP (240-RQFP) Exposed Pad 240-BFQFP (240-RQFP) Exposed Pad 240-BFQFP (240-RQFP) Exposed Pad
Brand Altera (now Intel FPGA) Altera (now Intel FPGA) Altera (now Intel FPGA) Altera (now Intel FPGA) Altera (now Intel FPGA)
Family FLEX 8000 FLEX 8000 FLEX 8000 FLEX 8000 FLEX 8000
Logic Cells 1008 1008 1008 1008 Higher gate count
Speed Grade -2 -1 (slower) -2 (same) -3 (faster) -2 (same)
User I/O 184 184 208 (different pinout in same package) 208 184
Maximum Frequency 125 MHz Lower (-1 grade) 125 MHz Higher (-3 grade) 125 MHz
PCI Compliance Yes (33 MHz PCI Local Bus) Yes Yes Yes Yes
Unit Price (qty 1, USD) $237.78 [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]

Key Differentiators

  • Higher logic capacity (12K gates, 184 I/O) in same RQFP-240 footprint vs lower-density FLEX 8000 variants (vs EPF81188AQC240-2)
  • -2 speed grade provides 125 MHz performance with balanced cost vs higher-grade alternatives (vs EPF81188ARC240-1)
  • Mature 0.42 µm CMOS silicon with decades of field reliability (vs EPF8282ARC240-2)
  • Integrated PCI 33 MHz compliance eliminates external bridge logic (vs Modern MAX II / Cyclone equivalents)

Design Notes

The EPF81188ARC240-2 operates from a 5 V supply typical of the FLEX 8000 family. Per the Altera FLEX 8000 datasheet, the device draws substantial inrush current during configuration - bulk decoupling should include 100 µF tantalum plus 0.1 µF ceramic per VCC pin pair. Use a low-impedance power plane rather than traces. Add a power-on reset supervisor to ensure nCONFIG is held low until VCC reaches stable regulation.

The 240-RQFP package with exposed pad requires the thermal pad to be soldered to a PCB copper pour for proper heat dissipation. Estimated: at 125 MHz toggle rate with 184 active I/O driving 50 pF loads, the device dissipates approximately 1.5-2.5 W. Use at least 2 square inches of 1 oz copper on top and bottom layers connected via thermal vias for reliable operation in industrial temperature ranges.

Route all FLEX 8000 I/O signals with controlled impedance (50 Ω microstrip or stripline) for signal integrity at 125 MHz. Keep configuration-related signals (nCONFIG, nSTATUS, CONF_DONE, MSEL0/MSEL1) away from high-speed switching nets. Provide a dedicated JTAG header (TMS, TCK, TDI, TDO, TRST) accessible for in-system programming via the ByteBlaster or MasterBlaster download cable.

Do not assume MAX+PLUS II projects are compatible with modern Quartus Prime - the FLEX 8000 family requires MAX+PLUS II legacy software. Ensure configuration mode pins (MSEL0, MSEL1) are correctly set for the chosen EPC device. Verify 5 V I/O tolerance matches downstream logic - FLEX 8000 outputs are 5 V TTL and may damage 3.3 V-only devices without level translation. Confirm package pinout against the datasheet, as FLEX 8000 family variants share the 240-pin RQFP but with different I/O assignments.

Separate analog/digital grounds are not required (this is a digital PLD), but use a single ground plane with split planes only under isolation-sensitive circuits. Place configuration EPC memory as close as possible to the FPGA's DATA, DCLK, and nCS pins - these are time-critical during configuration. Reserve a global clock input pin (CLK0 or CLK1) for the system clock and route it on the top layer with ground reference.

Compliance Information

RoHS
Non Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
No
Halogen Free
Unknown
Conflict Minerals
Unknown

Legacy 5 V Altera FLEX 8000 family part. Non-RoHS per Jotrin Electronics listing. Lead finish is not lead-free. AEC-Q100 not applicable for this industrial/legacy commercial FPGA. REACH, halogen-free, and conflict minerals status not explicitly stated in verified data.

Data verified on: 2026-09-12 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Altera Intel EPF81188ARC240-2 EPF81188ARC240-1 EPF81188AQC240-2 EPF81188AQC240-3 EPF8282ARC240-2 FLEX 8000 FPGA Field-Programmable Gate Array PLD programmable logic device 240-RQFP 240-BFQFP RQFP package exposed thermal pad PCI Local Bus Specification PCI SIG PCI compliance MAX+PLUS II VHDL Verilog HDL EDIF 2.0 0.42 µm CMOS 5 V CMOS in-circuit reconfigurability EPC configuration device ByteBlaster Logic cell usable gate industrial automation telecom backplane Rochester Electronics
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