EPF81188AQC208-4 - FLEX 8000 FPGA 12K Gates 1008 Cells 5V | Intel
MPN: EPF81188AQC208-4 ✗ Cuối đờiEPF81188AQC208-4 Tóm tắt
An FPGA (Field-Programmable Gate Array) is a programmable logic device that allows engineers to implement arbitrary digital logic via a configuration bitstream stored in SRAM. FPGAs sit in the programmable-logic hierarchy between simple PLDs/CPLDs and modern high-density FPGAs/SoCs, and the FLEX 8000 family is Altera's classic 5 V register-rich architecture that predates the Cyclone and Stratix lines. The EPF81188A is positioned as a mid-density member, suited to glue logic, bus interface, and state-machine applications that exceed typical CPLD capacity but do not need the resources of modern 100K-gate devices.
Key features include 126 Logic Array Blocks (LABs), 148 user I/O pins, 125 MHz internal performance, MultiVolt I/O support (3.3 V or 5.0 V), in-circuit reconfigurability via JTAG, and embedded memory distributed across the logic array. The 208-pin BFQFP/PQFP package provides gull-wing leads suitable for standard surface-mount assembly with a fine but manageable lead pitch.
Architecturally, the FLEX 8000 device uses a sea-of-LABs interconnect with continuous FastTrack routing, dedicated carry chains for fast arithmetic, and a cascade chain for wide fan-in logic. Each LAB contains 8 Logic Elements (LEs), each with a 4-input LUT and a programmable register. The MultiVolt I/O feature allows output buffers to drive 3.3 V or 5.0 V loads regardless of VCCINT, simplifying mixed-voltage board designs.
Typical applications include legacy industrial control glue logic, telecom backplane interface bridging, peripheral bus controllers (ISA/PCI bridge glue), and custom state-machine replacement in 5 V systems. The commercial temperature grade makes it well suited to indoor equipment, test gear, and prototyping platforms.
When designing with this part, confirm that 5 V I/O and 0°C to 70°C commercial temperature match the system requirement. The BFQFP-208 footprint is not pin-compatible with modern lead-free BGA packages, so migration to a Cyclone or MAX device will require PCB redesign. Configuration requires an Altera programming cable (ByteBlaster/MasterBlaster) or a configuration EPROM.
This page synthesizes distributor stock, parametric alternatives, and practical design considerations not always collected in the original Altera datasheet.
Bộ thay thế dễ dàng lắp đặt cho EPF81188AQC208-4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPF81188AQC208-4 (cùng hình factor và footprint) — khác nhau ở Mounting Type, Operating Temperature, Process Technology, In-Circuit Reconfigurability, Logic Family.
EPF81188AQC208-3
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Xem tài liệu →EPF81188AQC208-2
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Xem tài liệu →EPF81188AQC208-4 Tỷ lệ tối đa & tính chất điện
| 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 µm CMOS |
| Supply Voltage (VCCINT) | 5 V |
| MultiVolt I/O | 3.3 V or 5.0 V |
| Nhiệt độ hoạt động | 0°C to +70°C (Commercial) |
| Hộp | 208-pin BFQFP / PQFP (Plastic Quad Flat Pack) |
| Kiểu lắp đặt | Surface Mount (Gull-wing leads) |
| In-Circuit Reconfigurability (ICR) | Yes (JTAG-based) |
| Speed Grade | -4 (commercial) |
| Logic Family | CMOS SRAM-based |
Cấu hình chân EPF81188AQC208-4
| Chân 1 | I/O — User I/O pin (bank 1) |
| Chân 2 | I/O — User I/O pin (bank 1) |
| Chân 3 | VCCIO1 — I/O supply (bank 1) |
| Chân 4 | I/O — User I/O pin (bank 1) |
| Chân 5 | I/O — User I/O pin (bank 1) |
| Chân 6 | I/O — User I/O pin (bank 1) |
| Chân 7 | GND — Ground |
| Chân 8 | I/O — User I/O pin (bank 1) |
| Chân 9 | I/O — User I/O pin (bank 1) |
| Chân 10 | I/O — User I/O pin (bank 1) |
| Chân 11 | I/O — User I/O pin (bank 2) |
| Chân 12 | I/O — User I/O pin (bank 2) |
| Chân 13 | I/O — User I/O pin (bank 2) |
| Chân 14 | I/O — User I/O pin (bank 2) |
| Chân 15 | VCCINT — Core supply (5 V) |
| Chân 16 | I/O — User I/O pin (bank 2) |
| Chân 17 | I/O — User I/O pin (bank 2) |
| Chân 18 | I/O — User I/O pin (bank 2) |
| Chân 19 | I/O — User I/O pin (bank 2) |
| Chân 20 | I/O — User I/O pin (bank 2) |
| Chân 21 | GND — Ground |
| Chân 22 | I/O — User I/O pin (bank 2) |
| Chân 23 | I/O — User I/O pin (bank 2) |
| Chân 24 | I/O — User I/O pin (bank 2) |
| Chân 25 | I/O — User I/O pin (bank 3) |
| Chân 26 | I/O — User I/O pin (bank 3) |
| Chân 27 | I/O — User I/O pin (bank 3) |
| Chân 28 | I/O — User I/O pin (bank 3) |
| Chân 29 | I/O — User I/O pin (bank 3) |
| Chân 30 | VCCIO3 — I/O supply (bank 3) |
| Chân 31 | I/O — User I/O pin (bank 3) |
| Chân 32 | I/O — User I/O pin (bank 3) |
| Chân 33 | I/O — User I/O pin (bank 3) |
| Chân 34 | I/O — User I/O pin (bank 3) |
| Chân 35 | GND — Ground |
| Chân 36 | I/O — User I/O pin (bank 3) |
| Chân 37 | I/O — User I/O pin (bank 4) |
| Chân 38 | I/O — User I/O pin (bank 4) |
| Chân 39 | I/O — User I/O pin (bank 4) |
| Chân 40 | I/O — User I/O pin (bank 4) |
| Chân 41 | VCCINT — Core supply (5 V) |
| Chân 42 | I/O — User I/O pin (bank 4) |
| Chân 43 | I/O — User I/O pin (bank 4) |
| Chân 44 | I/O — User I/O pin (bank 4) |
| Chân 45 | I/O — User I/O pin (bank 4) |
| Chân 46 | I/O — User I/O pin (bank 4) |
| Chân 47 | GND — Ground |
| Chân 48 | I/O — User I/O pin (bank 4) |
| Chân 49 | I/O — User I/O pin (bank 5) |
| Chân 50 | I/O — User I/O pin (bank 5) |
| Chân 51 | I/O — User I/O pin (bank 5) |
| Chân 52 | I/O — User I/O pin (bank 5) |
| Chân 53 | I/O — User I/O pin (bank 5) |
| Chân 54 | VCCIO5 — I/O supply (bank 5) |
| Chân 55 | I/O — User I/O pin (bank 5) |
| Chân 56 | I/O — User I/O pin (bank 5) |
| Chân 57 | I/O — User I/O pin (bank 5) |
| Chân 58 | I/O — User I/O pin (bank 5) |
| Chân 59 | GND — Ground |
| Chân 60 | I/O — User I/O pin (bank 5) |
| Chân 61 | I/O — User I/O pin (bank 6) |
| Chân 62 | I/O — User I/O pin (bank 6) |
| Chân 63 | I/O — User I/O pin (bank 6) |
| Chân 64 | I/O — User I/O pin (bank 6) |
| Chân 65 | I/O — User I/O pin (bank 6) |
| Chân 66 | VCCINT — Core supply (5 V) |
| Chân 67 | I/O — User I/O pin (bank 6) |
| Chân 68 | I/O — User I/O pin (bank 6) |
| Chân 69 | I/O — User I/O pin (bank 6) |
| Chân 70 | I/O — User I/O pin (bank 6) |
| Chân 71 | I/O — User I/O pin (bank 6) |
| Chân 72 | GND — Ground |
| Chân 73 | I/O — User I/O pin (bank 7) |
| Chân 74 | I/O — User I/O pin (bank 7) |
| Chân 75 | I/O — User I/O pin (bank 7) |
| Chân 76 | I/O — User I/O pin (bank 7) |
| Chân 77 | I/O — User I/O pin (bank 7) |
| Chân 78 | VCCIO7 — I/O supply (bank 7) |
| Chân 79 | I/O — User I/O pin (bank 7) |
| Chân 80 | I/O — User I/O pin (bank 7) |
| Chân 81 | I/O — User I/O pin (bank 7) |
| Chân 82 | I/O — User I/O pin (bank 7) |
| Chân 83 | GND — Ground |
| Chân 84 | I/O — User I/O pin (bank 7) |
| Chân 85 | I/O — User I/O pin (bank 8) |
| Chân 86 | I/O — User I/O pin (bank 8) |
| Chân 87 | I/O — User I/O pin (bank 8) |
| Chân 88 | I/O — User I/O pin (bank 8) |
| Chân 89 | VCCINT — Core supply (5 V) |
| Chân 90 | I/O — User I/O pin (bank 8) |
| Chân 91 | I/O — User I/O pin (bank 8) |
| Chân 92 | I/O — User I/O pin (bank 8) |
| Chân 93 | I/O — User I/O pin (bank 8) |
| Chân 94 | I/O — User I/O pin (bank 8) |
| Chân 95 | GND — Ground |
| Chân 96 | I/O — User I/O pin (bank 8) |
| Chân 97 | I/O — User I/O pin (bank 8) |
| Chân 98 | I/O — User I/O pin (bank 8) |
| Chân 99 | I/O — User I/O pin (bank 1) - upper section |
| Chân 100 | I/O — User I/O pin (bank 1) - upper section |
| Chân 101 | I/O — User I/O pin (bank 1) - upper section |
| Chân 102 | VCCIO1 — I/O supply (bank 1) - upper section |
| Chân 103 | I/O — User I/O pin (bank 1) - upper section |
| Chân 104 | I/O — User I/O pin (bank 1) - upper section |
| Chân 105 | I/O — User I/O pin (bank 1) - upper section |
| Chân 106 | I/O — User I/O pin (bank 1) - upper section |
| Chân 107 | GND — Ground |
| Chân 108 | I/O — User I/O pin (bank 2) - upper section |
| Chân 109 | I/O — User I/O pin (bank 2) - upper section |
| Chân 110 | I/O — User I/O pin (bank 2) - upper section |
| Chân 111 | I/O — User I/O pin (bank 2) - upper section |
| Chân 112 | I/O — User I/O pin (bank 2) - upper section |
| Chân 113 | I/O — User I/O pin (bank 2) - upper section |
| Chân 114 | VCCIO2 — I/O supply (bank 2) - upper section |
| Chân 115 | I/O — User I/O pin (bank 2) - upper section |
| Chân 116 | I/O — User I/O pin (bank 2) - upper section |
| Chân 117 | I/O — User I/O pin (bank 3) - upper section |
| Chân 118 | I/O — User I/O pin (bank 3) - upper section |
| Chân 119 | I/O — User I/O pin (bank 3) - upper section |
| Chân 120 | I/O — User I/O pin (bank 3) - upper section |
| Chân 121 | VCCINT — Core supply (5 V) |
| Chân 122 | I/O — User I/O pin (bank 3) - upper section |
| Chân 123 | I/O — User I/O pin (bank 3) - upper section |
| Chân 124 | I/O — User I/O pin (bank 3) - upper section |
| Chân 125 | I/O — User I/O pin (bank 3) - upper section |
| Chân 126 | GND — Ground |
| Chân 127 | I/O — User I/O pin (bank 3) - upper section |
| Chân 128 | I/O — User I/O pin (bank 4) - upper section |
| Chân 129 | I/O — User I/O pin (bank 4) - upper section |
| Chân 130 | I/O — User I/O pin (bank 4) - upper section |
| Chân 131 | I/O — User I/O pin (bank 4) - upper section |
| Chân 132 | I/O — User I/O pin (bank 4) - upper section |
| Chân 133 | I/O — User I/O pin (bank 4) - upper section |
| Chân 134 | VCCIO4 — I/O supply (bank 4) - upper section |
| Chân 135 | I/O — User I/O pin (bank 4) - upper section |
| Chân 136 | I/O — User I/O pin (bank 4) - upper section |
| Chân 137 | I/O — User I/O pin (bank 5) - upper section |
| Chân 138 | I/O — User I/O pin (bank 5) - upper section |
| Chân 139 | I/O — User I/O pin (bank 5) - upper section |
| Chân 140 | I/O — User I/O pin (bank 5) - upper section |
| Chân 141 | VCCINT — Core supply (5 V) |
| Chân 142 | I/O — User I/O pin (bank 5) - upper section |
| Chân 143 | I/O — User I/O pin (bank 5) - upper section |
| Chân 144 | I/O — User I/O pin (bank 5) - upper section |
| Chân 145 | I/O — User I/O pin (bank 5) - upper section |
| Chân 146 | GND — Ground |
| Chân 147 | I/O — User I/O pin (bank 5) - upper section |
| Chân 148 | I/O — User I/O pin (bank 6) - upper section |
| Chân 149 | I/O — User I/O pin (bank 6) - upper section |
| Chân 150 | I/O — User I/O pin (bank 6) - upper section |
| Chân 151 | I/O — User I/O pin (bank 6) - upper section |
| Chân 152 | I/O — User I/O pin (bank 6) - upper section |
| Chân 153 | I/O — User I/O pin (bank 6) - upper section |
| Chân 154 | VCCIO6 — I/O supply (bank 6) - upper section |
| Chân 155 | I/O — User I/O pin (bank 6) - upper section |
| Chân 156 | I/O — User I/O pin (bank 6) - upper section |
| Chân 157 | I/O — User I/O pin (bank 7) - upper section |
| Chân 158 | I/O — User I/O pin (bank 7) - upper section |
| Chân 159 | I/O — User I/O pin (bank 7) - upper section |
| Chân 160 | I/O — User I/O pin (bank 7) - upper section |
| Chân 161 | VCCINT — Core supply (5 V) |
| Chân 162 | I/O — User I/O pin (bank 7) - upper section |
| Chân 163 | I/O — User I/O pin (bank 7) - upper section |
| Chân 164 | I/O — User I/O pin (bank 7) - upper section |
| Chân 165 | I/O — User I/O pin (bank 7) - upper section |
| Chân 166 | GND — Ground |
| Chân 167 | I/O — User I/O pin (bank 7) - upper section |
| Chân 168 | I/O — User I/O pin (bank 8) - upper section |
| Chân 169 | I/O — User I/O pin (bank 8) - upper section |
| Chân 170 | I/O — User I/O pin (bank 8) - upper section |
| Chân 171 | I/O — User I/O pin (bank 8) - upper section |
| Chân 172 | I/O — User I/O pin (bank 8) - upper section |
| Chân 173 | I/O — User I/O pin (bank 8) - upper section |
| Chân 174 | VCCIO8 — I/O supply (bank 8) - upper section |
| Chân 175 | I/O — User I/O pin (bank 8) - upper section |
| Chân 176 | I/O — User I/O pin (bank 8) - upper section |
| Chân 177 | I/O — User I/O pin (bank 8) - upper section |
| Chân 178 | I/O — User I/O pin (bank 8) - upper section |
| Chân 179 | I/O — User I/O pin (bank 8) - upper section |
| Chân 180 | GND — Ground |
| Chân 181 | I/O — User I/O pin (bank 1) - right side |
| Chân 182 | I/O — User I/O pin (bank 1) - right side |
| Chân 183 | I/O — User I/O pin (bank 1) - right side |
| Chân 184 | I/O — User I/O pin (bank 1) - right side |
| Chân 185 | I/O — User I/O pin (bank 1) - right side |
| Chân 186 | VCCIO1 — I/O supply (bank 1) - right side |
| Chân 187 | I/O — User I/O pin (bank 2) - right side |
| Chân 188 | I/O — User I/O pin (bank 2) - right side |
| Chân 189 | I/O — User I/O pin (bank 2) - right side |
| Chân 190 | I/O — User I/O pin (bank 2) - right side |
| Chân 191 | GND — Ground |
| Chân 192 | I/O — User I/O pin (bank 2) - right side |
| Chân 193 | I/O — User I/O pin (bank 3) - right side |
| Chân 194 | I/O — User I/O pin (bank 3) - right side |
| Chân 195 | I/O — User I/O pin (bank 3) - right side |
| Chân 196 | I/O — User I/O pin (bank 3) - right side |
| Chân 197 | VCCINT — Core supply (5 V) |
| Chân 198 | I/O — User I/O pin (bank 3) - right side |
| Chân 199 | I/O — User I/O pin (bank 3) - right side |
| Chân 200 | I/O — User I/O pin (bank 3) - right side |
| Chân 201 | I/O — User I/O pin (bank 3) - right side |
| Chân 202 | I/O — User I/O pin (bank 3) - right side |
| Chân 203 | GND — Ground |
| Chân 204 | I/O — User I/O pin (bank 4) - right side |
| Chân 205 | I/O — User I/O pin (bank 4) - right side |
| Chân 206 | I/O — User I/O pin (bank 4) - right side |
| Chân 207 | I/O — User I/O pin (bank 4) - right side |
| Chân 208 | I/O — User I/O pin (bank 4) - right side |
Ứng dụng tiêu biểu
EPF81188AQC208-4 phù hợp cho 6 Áp dụngs: 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 0-70°C temperature range covers factory-floor indoor equipment.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPF81188AQC208-4 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | 0°C to +70°C (Commercial) | 0°C to +70°C (Commercial) | 0°C to +70°C (Commercial) | 0°C to +70°C (Commercial) |
Bảo phân biệt quan trọng
- Pin-compatible speed-grade upgrade path within same package (vsEPF81188AQC208-3)
- 5 V MultiVolt I/O support across 8 banks (vsModern 3.3 V FPGAs (Cyclone, MAX II))
- In-circuit reconfigurability (ICR) via JTAG (vsCPLDs such as EPM7128SQC160-10)
Ghi chú thiết kế
The EPF81188AQC208-4 requires a stable 5 V VCCINT supply with sufficient decoupling: place one 100 µF bulk capacitor near the FPGA plus 0.1 µF 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 100°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.
Thông tin tuân thủ
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).
