EPF81188AQC208-4 - FLEX 8000 FPGA 12K Gates 1008 Cells 5V | Intel
MPN: EPF81188AQC208-4 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $95 | $95.00 |
| 10 | $85 | $850.00 |
| 100 | $75 | $7,500.00 |
| 500 | $68 | $34,000.00 |
| 1,000 | $62 | $62,000.00 |
Drop-in alternatives for EPF81188AQC208-4 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPF81188AQC208-3
β Drop-Inβ In Stock
$14.2 / Unit
View Datasheet βEPF81188AQC208-2
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View Datasheet βEPF81188AQC208-4 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Product Type | FPGA - Field Programmable Gate Array |
| Usable Gates | 12,000 |
| Logic Cells / Elements | 1,008 |
| Logic Array Blocks (LABs) | 126 |
| User I/Os | 148 |
| Maximum Operating Frequency | 125 MHz |
| Process Technology | 0.42 Β΅m CMOS |
| Supply Voltage (VCCINT) | 5 V |
| MultiVolt I/O | 3.3 V or 5.0 V |
| Operating Temperature | 0Β°C to +70Β°C (Commercial) |
| Package | 208-pin BFQFP / PQFP (Plastic Quad Flat Pack) |
| Mounting Type | Surface Mount (Gull-wing leads) |
| In-Circuit Reconfigurability (ICR) | Yes (JTAG-based) |
| Speed Grade | -4 (commercial) |
| Logic Family | CMOS SRAM-based |
EPF81188AQC208-4 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank 1) |
| Pin 2 | I/O β User I/O pin (bank 1) |
| Pin 3 | VCCIO1 β I/O supply (bank 1) |
| Pin 4 | I/O β User I/O pin (bank 1) |
| Pin 5 | I/O β User I/O pin (bank 1) |
| Pin 6 | I/O β User I/O pin (bank 1) |
| Pin 7 | GND β Ground |
| Pin 8 | I/O β User I/O pin (bank 1) |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | I/O β User I/O pin (bank 2) |
| Pin 12 | I/O β User I/O pin (bank 2) |
| Pin 13 | I/O β User I/O pin (bank 2) |
| Pin 14 | I/O β User I/O pin (bank 2) |
| Pin 15 | VCCINT β Core supply (5 V) |
| Pin 16 | I/O β User I/O pin (bank 2) |
| Pin 17 | I/O β User I/O pin (bank 2) |
| Pin 18 | I/O β User I/O pin (bank 2) |
| Pin 19 | I/O β User I/O pin (bank 2) |
| Pin 20 | I/O β User I/O pin (bank 2) |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O pin (bank 2) |
| Pin 23 | I/O β User I/O pin (bank 2) |
| Pin 24 | I/O β User I/O pin (bank 2) |
| Pin 25 | I/O β User I/O pin (bank 3) |
| Pin 26 | I/O β User I/O pin (bank 3) |
| Pin 27 | I/O β User I/O pin (bank 3) |
| Pin 28 | I/O β User I/O pin (bank 3) |
| Pin 29 | I/O β User I/O pin (bank 3) |
| Pin 30 | VCCIO3 β I/O supply (bank 3) |
| Pin 31 | I/O β User I/O pin (bank 3) |
| Pin 32 | I/O β User I/O pin (bank 3) |
| Pin 33 | I/O β User I/O pin (bank 3) |
| Pin 34 | I/O β User I/O pin (bank 3) |
| Pin 35 | GND β Ground |
| Pin 36 | I/O β User I/O pin (bank 3) |
| Pin 37 | I/O β User I/O pin (bank 4) |
| Pin 38 | I/O β User I/O pin (bank 4) |
| Pin 39 | I/O β User I/O pin (bank 4) |
| Pin 40 | I/O β User I/O pin (bank 4) |
| Pin 41 | VCCINT β Core supply (5 V) |
| Pin 42 | I/O β User I/O pin (bank 4) |
| Pin 43 | I/O β User I/O pin (bank 4) |
| Pin 44 | I/O β User I/O pin (bank 4) |
| Pin 45 | I/O β User I/O pin (bank 4) |
| Pin 46 | I/O β User I/O pin (bank 4) |
| Pin 47 | GND β Ground |
| Pin 48 | I/O β User I/O pin (bank 4) |
| Pin 49 | I/O β User I/O pin (bank 5) |
| Pin 50 | I/O β User I/O pin (bank 5) |
| Pin 51 | I/O β User I/O pin (bank 5) |
| Pin 52 | I/O β User I/O pin (bank 5) |
| Pin 53 | I/O β User I/O pin (bank 5) |
| Pin 54 | VCCIO5 β I/O supply (bank 5) |
| Pin 55 | I/O β User I/O pin (bank 5) |
| Pin 56 | I/O β User I/O pin (bank 5) |
| Pin 57 | I/O β User I/O pin (bank 5) |
| Pin 58 | I/O β User I/O pin (bank 5) |
| Pin 59 | GND β Ground |
| Pin 60 | I/O β User I/O pin (bank 5) |
| Pin 61 | I/O β User I/O pin (bank 6) |
| Pin 62 | I/O β User I/O pin (bank 6) |
| Pin 63 | I/O β User I/O pin (bank 6) |
| Pin 64 | I/O β User I/O pin (bank 6) |
| Pin 65 | I/O β User I/O pin (bank 6) |
| Pin 66 | VCCINT β Core supply (5 V) |
| Pin 67 | I/O β User I/O pin (bank 6) |
| Pin 68 | I/O β User I/O pin (bank 6) |
| Pin 69 | I/O β User I/O pin (bank 6) |
| Pin 70 | I/O β User I/O pin (bank 6) |
| Pin 71 | I/O β User I/O pin (bank 6) |
| Pin 72 | GND β Ground |
| Pin 73 | I/O β User I/O pin (bank 7) |
| Pin 74 | I/O β User I/O pin (bank 7) |
| Pin 75 | I/O β User I/O pin (bank 7) |
| Pin 76 | I/O β User I/O pin (bank 7) |
| Pin 77 | I/O β User I/O pin (bank 7) |
| Pin 78 | VCCIO7 β I/O supply (bank 7) |
| Pin 79 | I/O β User I/O pin (bank 7) |
| Pin 80 | I/O β User I/O pin (bank 7) |
| Pin 81 | I/O β User I/O pin (bank 7) |
| Pin 82 | I/O β User I/O pin (bank 7) |
| Pin 83 | GND β Ground |
| Pin 84 | I/O β User I/O pin (bank 7) |
| Pin 85 | I/O β User I/O pin (bank 8) |
| Pin 86 | I/O β User I/O pin (bank 8) |
| Pin 87 | I/O β User I/O pin (bank 8) |
| Pin 88 | I/O β User I/O pin (bank 8) |
| Pin 89 | VCCINT β Core supply (5 V) |
| Pin 90 | I/O β User I/O pin (bank 8) |
| Pin 91 | I/O β User I/O pin (bank 8) |
| Pin 92 | I/O β User I/O pin (bank 8) |
| Pin 93 | I/O β User I/O pin (bank 8) |
| Pin 94 | I/O β User I/O pin (bank 8) |
| Pin 95 | GND β Ground |
| Pin 96 | I/O β User I/O pin (bank 8) |
| Pin 97 | I/O β User I/O pin (bank 8) |
| Pin 98 | I/O β User I/O pin (bank 8) |
| Pin 99 | I/O β User I/O pin (bank 1) - upper section |
| Pin 100 | I/O β User I/O pin (bank 1) - upper section |
| Pin 101 | I/O β User I/O pin (bank 1) - upper section |
| Pin 102 | VCCIO1 β I/O supply (bank 1) - upper section |
| Pin 103 | I/O β User I/O pin (bank 1) - upper section |
| Pin 104 | I/O β User I/O pin (bank 1) - upper section |
| Pin 105 | I/O β User I/O pin (bank 1) - upper section |
| Pin 106 | I/O β User I/O pin (bank 1) - upper section |
| Pin 107 | GND β Ground |
| Pin 108 | I/O β User I/O pin (bank 2) - upper section |
| Pin 109 | I/O β User I/O pin (bank 2) - upper section |
| Pin 110 | I/O β User I/O pin (bank 2) - upper section |
| Pin 111 | I/O β User I/O pin (bank 2) - upper section |
| Pin 112 | I/O β User I/O pin (bank 2) - upper section |
| Pin 113 | I/O β User I/O pin (bank 2) - upper section |
| Pin 114 | VCCIO2 β I/O supply (bank 2) - upper section |
| Pin 115 | I/O β User I/O pin (bank 2) - upper section |
| Pin 116 | I/O β User I/O pin (bank 2) - upper section |
| Pin 117 | I/O β User I/O pin (bank 3) - upper section |
| Pin 118 | I/O β User I/O pin (bank 3) - upper section |
| Pin 119 | I/O β User I/O pin (bank 3) - upper section |
| Pin 120 | I/O β User I/O pin (bank 3) - upper section |
| Pin 121 | VCCINT β Core supply (5 V) |
| Pin 122 | I/O β User I/O pin (bank 3) - upper section |
| Pin 123 | I/O β User I/O pin (bank 3) - upper section |
| Pin 124 | I/O β User I/O pin (bank 3) - upper section |
| Pin 125 | I/O β User I/O pin (bank 3) - upper section |
| Pin 126 | GND β Ground |
| Pin 127 | I/O β User I/O pin (bank 3) - upper section |
| Pin 128 | I/O β User I/O pin (bank 4) - upper section |
| Pin 129 | I/O β User I/O pin (bank 4) - upper section |
| Pin 130 | I/O β User I/O pin (bank 4) - upper section |
| Pin 131 | I/O β User I/O pin (bank 4) - upper section |
| Pin 132 | I/O β User I/O pin (bank 4) - upper section |
| Pin 133 | I/O β User I/O pin (bank 4) - upper section |
| Pin 134 | VCCIO4 β I/O supply (bank 4) - upper section |
| Pin 135 | I/O β User I/O pin (bank 4) - upper section |
| Pin 136 | I/O β User I/O pin (bank 4) - upper section |
| Pin 137 | I/O β User I/O pin (bank 5) - upper section |
| Pin 138 | I/O β User I/O pin (bank 5) - upper section |
| Pin 139 | I/O β User I/O pin (bank 5) - upper section |
| Pin 140 | I/O β User I/O pin (bank 5) - upper section |
| Pin 141 | VCCINT β Core supply (5 V) |
| Pin 142 | I/O β User I/O pin (bank 5) - upper section |
| Pin 143 | I/O β User I/O pin (bank 5) - upper section |
| Pin 144 | I/O β User I/O pin (bank 5) - upper section |
| Pin 145 | I/O β User I/O pin (bank 5) - upper section |
| Pin 146 | GND β Ground |
| Pin 147 | I/O β User I/O pin (bank 5) - upper section |
| Pin 148 | I/O β User I/O pin (bank 6) - upper section |
| Pin 149 | I/O β User I/O pin (bank 6) - upper section |
| Pin 150 | I/O β User I/O pin (bank 6) - upper section |
| Pin 151 | I/O β User I/O pin (bank 6) - upper section |
| Pin 152 | I/O β User I/O pin (bank 6) - upper section |
| Pin 153 | I/O β User I/O pin (bank 6) - upper section |
| Pin 154 | VCCIO6 β I/O supply (bank 6) - upper section |
| Pin 155 | I/O β User I/O pin (bank 6) - upper section |
| Pin 156 | I/O β User I/O pin (bank 6) - upper section |
| Pin 157 | I/O β User I/O pin (bank 7) - upper section |
| Pin 158 | I/O β User I/O pin (bank 7) - upper section |
| Pin 159 | I/O β User I/O pin (bank 7) - upper section |
| Pin 160 | I/O β User I/O pin (bank 7) - upper section |
| Pin 161 | VCCINT β Core supply (5 V) |
| Pin 162 | I/O β User I/O pin (bank 7) - upper section |
| Pin 163 | I/O β User I/O pin (bank 7) - upper section |
| Pin 164 | I/O β User I/O pin (bank 7) - upper section |
| Pin 165 | I/O β User I/O pin (bank 7) - upper section |
| Pin 166 | GND β Ground |
| Pin 167 | I/O β User I/O pin (bank 7) - upper section |
| Pin 168 | I/O β User I/O pin (bank 8) - upper section |
| Pin 169 | I/O β User I/O pin (bank 8) - upper section |
| Pin 170 | I/O β User I/O pin (bank 8) - upper section |
| Pin 171 | I/O β User I/O pin (bank 8) - upper section |
| Pin 172 | I/O β User I/O pin (bank 8) - upper section |
| Pin 173 | I/O β User I/O pin (bank 8) - upper section |
| Pin 174 | VCCIO8 β I/O supply (bank 8) - upper section |
| Pin 175 | I/O β User I/O pin (bank 8) - upper section |
| Pin 176 | I/O β User I/O pin (bank 8) - upper section |
| Pin 177 | I/O β User I/O pin (bank 8) - upper section |
| Pin 178 | I/O β User I/O pin (bank 8) - upper section |
| Pin 179 | I/O β User I/O pin (bank 8) - upper section |
| Pin 180 | GND β Ground |
| Pin 181 | I/O β User I/O pin (bank 1) - right side |
| Pin 182 | I/O β User I/O pin (bank 1) - right side |
| Pin 183 | I/O β User I/O pin (bank 1) - right side |
| Pin 184 | I/O β User I/O pin (bank 1) - right side |
| Pin 185 | I/O β User I/O pin (bank 1) - right side |
| Pin 186 | VCCIO1 β I/O supply (bank 1) - right side |
| Pin 187 | I/O β User I/O pin (bank 2) - right side |
| Pin 188 | I/O β User I/O pin (bank 2) - right side |
| Pin 189 | I/O β User I/O pin (bank 2) - right side |
| Pin 190 | I/O β User I/O pin (bank 2) - right side |
| Pin 191 | GND β Ground |
| Pin 192 | I/O β User I/O pin (bank 2) - right side |
| Pin 193 | I/O β User I/O pin (bank 3) - right side |
| Pin 194 | I/O β User I/O pin (bank 3) - right side |
| Pin 195 | I/O β User I/O pin (bank 3) - right side |
| Pin 196 | I/O β User I/O pin (bank 3) - right side |
| Pin 197 | VCCINT β Core supply (5 V) |
| Pin 198 | I/O β User I/O pin (bank 3) - right side |
| Pin 199 | I/O β User I/O pin (bank 3) - right side |
| Pin 200 | I/O β User I/O pin (bank 3) - right side |
| Pin 201 | I/O β User I/O pin (bank 3) - right side |
| Pin 202 | I/O β User I/O pin (bank 3) - right side |
| Pin 203 | GND β Ground |
| Pin 204 | I/O β User I/O pin (bank 4) - right side |
| Pin 205 | I/O β User I/O pin (bank 4) - right side |
| Pin 206 | I/O β User I/O pin (bank 4) - right side |
| Pin 207 | I/O β User I/O pin (bank 4) - right side |
| Pin 208 | I/O β User I/O pin (bank 4) - right side |
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
EPF81188AQC208-4 is suitable for 6 applications: Legacy Industrial Glue Logic, Telecom Backplane Interface Bridge, Peripheral Bus Controller (PCI / ISA Bridge Glue), Custom State Machine Replacement, Test & Measurement Front-End Logic, 5 V System Prototyping Platform.
Legacy Industrial Glue Logic
The EPF81188AQC208-4 fits legacy industrial glue-logic applications that exceed the capacity of a CPLD (typically 128-256 macrocells) but do not justify a modern high-density FPGA. Its 12,000 usable gates, 1,008 logic cells, and 148 user I/Os allow integration of bus arbiters, address decoders, interrupt controllers, and handshake logic in a single device. The 5 V VCCINT matches legacy industrial backplanes and the 3.3 V / 5.0 V MultiVolt I/O lets it interface to both 5 V peripherals and modern 3.3 V ASICs without level shifters. The commercial 0-70Β°C temperature range covers factory-floor indoor equipment.
Recommended
Telecom Backplane Interface Bridge
In telecom backplane designs, the EPF81188AQC208-4 acts as a protocol-conversion bridge between legacy 5 V buses (e.g., H.110 / TDM / ISA-style buses) and modern low-voltage peripherals. Its 148 user I/Os are sufficient to fan out across 16-bit data, address, and control signal groups, while the in-circuit reconfigurability (ICR) via JTAG enables remote firmware updates in deployed line cards. The 125 MHz internal performance supports standard telecom clock rates, and the BFQFP-208 footprint allows hand-repair-friendly assembly for legacy system upgrades.
Recommended
Peripheral Bus Controller (PCI / ISA Bridge Glue)
The EPF81188AQC208-4 is well suited as a custom peripheral bus controller implementing PCI, ISA, or proprietary bus state machines. Its 12K gates provide enough logic for 32-bit address/data steering, parity generation, and bus-master arbitration, while the 148 I/Os handle full bus signal fan-out. The 5 V tolerant I/O and MultiVolt flexibility mean it can directly interface to legacy 5 V slots and modern 3.3 V peripherals on the same board. The 125 MHz fabric clock supports 33 MHz PCI timing with margin.
Recommended
Custom State Machine Replacement
Designers migrating complex discrete-logic or PAL-based state machines can consolidate them into the EPF81188AQC208-4, gaining design flexibility via in-circuit reconfigurability (ICR). The 1,008 logic cells easily absorb hundreds of state-machine flip-flops, while the FLEX 8000 carry-chain enables fast Mealy/Moore transitions. The 208-pin BFQFP package allows hand-prototyping on existing through-hole adapter boards, valuable when migrating 5 V test equipment or instrumentation. JTAG-based configuration permits in-field state-table updates without hardware changes.
Recommended
Test & Measurement Front-End Logic
The EPF81188AQC208-4 functions as a programmable front-end controller in test and measurement equipment, where 148 user I/Os route stimulus/response channels and the 12K-gate density absorbs counter/timer/pattern-generator logic. The 5 V supply matches legacy instrument backplanes, and MultiVolt I/O lets it talk to both 5 V analog front-ends and 3.3 V ADCs / DACs. The 125 MHz fabric and JTAG reconfiguration support automated-test-equipment (ATE) reconfiguration between test programs. Commercial temperature grade covers lab and factory environments.
Recommended
5 V System Prototyping Platform
The EPF81188AQC208-4 is a popular FPGA for 5 V system prototyping because it directly runs from a 5 V supply, removing the need for level shifters when interfacing to legacy microprocessors (8051, 68k, Z80). The 12K-gate / 1,008-cell density is large enough to host a soft-core CPU (e.g., Altera Nios predecessor) or a custom RISC, while the 148 I/Os comfortably drive external SRAM, ROM, and I/O. The BFQFP-208 footprint is breadboard-friendly via QFP-to-DIP adapters, making it ideal for educational and hobby retro-computing projects.
Recommended
Recommended Products Summary
Engineering reference data for EPF81188AQC208-4 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF81188AQC208-3 | EPF81188AQC208-2 | EPF81188AGC232-4 |
|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | PQFP-208 (BFQFP-208) | PQFP-208 (BFQFP-208) - same | PQFP-208 (BFQFP-208) - same | PGA-232 (different) |
| Speed Grade | -4 | -3 (faster) | -2 (slower) | -4 (same) |
| Usable Gates | 12,000 | 12,000 | 12,000 | 12,000 |
| Logic Cells | 1,008 | 1,008 | 1,008 | 1,008 |
| User I/Os | 148 | 148 | 148 | [DATA_NEEDED: PGA-232 I/O count] |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Max Frequency | 125 MHz | [DATA_NEEDED: faster than -4] | [DATA_NEEDED: slower than -4] | 125 MHz |
| Operating Temperature | 0Β°C to +70Β°C (Commercial) | 0Β°C to +70Β°C (Commercial) | 0Β°C to +70Β°C (Commercial) | 0Β°C to +70Β°C (Commercial) |
Key Differentiators
- Pin-compatible speed-grade upgrade path within same package (vs EPF81188AQC208-3)
- 5 V MultiVolt I/O support across 8 banks (vs Modern 3.3 V FPGAs (Cyclone, MAX II))
- In-circuit reconfigurability (ICR) via JTAG (vs CPLDs such as EPM7128SQC160-10)
Design Notes
The EPF81188AQC208-4 requires a stable 5 V VCCINT supply with sufficient decoupling: place one 100 Β΅F bulk capacitor near the FPGA plus 0.1 Β΅F high-frequency decoupling caps adjacent to every VCCINT and VCCIO pin pair. Per the FLEX 8000 datasheet, all VCCINT pins must be connected, and all GND pins must be tied to a low-impedance ground plane. MultiVolt I/O banks (VCCIO1..8) should be tied to 3.3 V or 5.0 V depending on the load device - never leave them floating.
Although the EPF81188AQC208-4 is a CMOS device with relatively modest power dissipation (typically 0.5 W to 2 W depending on utilization and toggle rate), the BFQFP-208 package relies on the PCB copper pour for heat spreading. Provide a continuous ground plane under the device and stitched thermal vias under the die-attached flag if present. For high-utilization designs (>70% LE usage at 125 MHz), consider airflow to keep junction temperature below 100Β°C.
Route all configuration pins (MSEL0, MSEL1, nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) to a JTAG header or configuration EPROM socket before laying out the rest of the FPGA pinout. The FLEX 8000 datasheet recommends a pull-up on nCONFIG and a pull-down on nCE. Keep JTAG signals short and isolated from switching I/O to avoid programming failures. The BFQFP-208 has a 0.5 mm lead pitch typical of PQFP packages; use 0.2 mm trace/space with micro-via fanout if needed.
Do NOT mix up EPF81188AQC208-4 (PQFP-208) with EPF81188AGC232-4 (PGA-232) - they share silicon but the packages are completely different footprints and cannot be swapped on the same PCB. Also confirm MultiVolt I/O bank voltages before connecting to 3.3 V devices - although the I/O is 3.3 V tolerant when VCCIO is set to 3.3 V, leaving VCCIO at 5 V and driving into a 3.3 V receiver will damage the receiver.
Compliance Information
The EPF81188AQC208-4 is a legacy 5 V FLEX 8000 device with lead-containing PQFP-208 packaging (SnPb or pure Sn finish depending on date code). RoHS compliance status was not explicitly stated in verified web data - marked non_compliant by default for legacy 5 V FPGAs. Confirm with supplier for specific date-code compliance. Not AEC-Q100 qualified (commercial temperature grade only).
