EPF8820ARC-4N - FLEX 8000 FPGA 672-Cell 5V | Intel (Altera)
Référence : EPF8820ARC-4N ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $33.2 | $332,00 |
| 100 | $27.95 | $2 795,00 |
| 500 | $23.1 | $11 550,00 |
| 1 000 | $19.4 | $19 400,00 |
EPF8820ARC-4N Présentation
FLEX 8000 devices are SRAM-based programmable logic devices (PLDs). They belong to the broader taxonomy of FPGAs -> programmable logic -> logic ICs -> integrated circuits. Unlike antifuse or flash FPGAs, FLEX 8000 SRAM cells must be configured at every system power-up using external memory, which makes them reconfigurable in-circuit but volatile. Within the family, the EPF8820 sits in the mid-density tier between the smaller EPF8282/EPF8452 and the larger EPF8636/EPF81188.
Key features of the EPF8820ARC-4N include 672 logic elements (LEs), 152 maximum user I/O pins, an embedded array block for wide fan-in functions, FastTrack interconnect for predictable routing delays, and a 4-input look-up table (LUT) per logic element. The '-4N' speed grade combined with industrial temperature support (0 °C to +70 °C junction) makes the part a drop-in upgrade candidate for FLEX 8000 designs where timing closure is critical. The exposed pad on the RQFP-208 package provides an additional thermal dissipation path.
The device is configured at power-up via an industry-standard parallel EPROM or via Altera's serial configuration devices EPC1, EPC1064, EPC1213, and EPC1441. After configuration, the SRAM cells define both the logic function and the interconnect, allowing full in-system reprogrammability. The architecture is supported by the Altera MAX+PLUS II and Quartus design toolchains, which accept schematics, VHDL, and Verilog HDL inputs.
Typical applications include glue logic for legacy 5 V embedded systems, industrial control and instrumentation, bus-interface bridging, and ASIC prototyping where the design is intended to migrate to a hard-structured ASIC. The wide operating voltage and broad third-party IP ecosystem (UARTs, FIFOs, memory controllers) extend the device's usefulness to telecom, military, and avionics platforms where FLEX 8000 remains a long-lived standard.
A key design consideration for EPF8820ARC-4N is the configuration memory interface: because the SRAM configuration is volatile, the board must include a configuration EPROM, a microcontroller loader, or a JTAG chain (IEEE 1149.1 boundary-scan) to reload the bitstream on every power-up. Designers should also budget for the 5 V I/O bank supply and ensure that all inputs stay within the 5 V tolerant range to avoid latch-up.
This page synthesizes distributor pricing, drop-in FLEX 8000 family alternatives, and practical configuration/PCB layout notes not found in the manufacturer datasheet, giving engineers a single source for parametric, lifecycle, and replacement decisions.
Alternatives de remplacement direct pour EPF8820ARC-4N — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec EPF8820ARC-4N (même facteur de forme et même empreinte) — différant par Process Technology, Package, Operating Temperature, Speed Grade, Usable Gates.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF8820ARC208-4
✅ Remplacement direct✓ En stock
$25.4 / unité
Voir la fiche technique →EPF8820ARC-4
✅ Remplacement direct✓ En stock
$19.95 / unité
Voir la fiche technique →EPF8820ARC208-4N
✅ Remplacement direct✓ En stock
$32 / unité
Voir la fiche technique →EPF8636ARC208-4
✅ Remplacement direct✓ En stock
$16.5 / unité
Voir la fiche technique →EPF8636ARC208-3
✅ Remplacement direct✓ En stock
$19.95 / unité
Voir la fiche technique →EPF8820ARC-4N Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Usable Gates | 8,000 |
| Logic Elements | 672 |
| Maximum User I/O | 152 |
| Process Technology | 0.42 µm CMOS SRAM |
| Tension d'alimentation | 5 V |
| Maximum Operating Frequency | 125 MHz |
| Boîtier | 208-pin RQFP (Plastic Quad Flat Pack with exposed pad) |
| LE Architecture | 4-input LUT + register |
| Configuration Method | SRAM, loaded at power-up |
| Configuration Devices | EPC1, EPC1064, EPC1213, EPC1441 |
| Boundary Scan | JTAG IEEE 1149.1 |
| Speed Grade | -4 (industrial) |
| Type de montage | Surface Mount |
Configuration des broches de EPF8820ARC-4N
| Broche 1 | I/O — User I/O pin (bank 1) |
| Broche 2 | I/O — User I/O pin (bank 1) |
| Broche 3 | I/O — User I/O pin (bank 1) |
| Broche 4 | I/O — User I/O pin (bank 1) |
| Broche 5 | I/O — User I/O pin (bank 1) |
| Broche 6 | I/O — User I/O pin (bank 1) |
| Broche 7 | I/O — User I/O pin (bank 1) |
| Broche 8 | I/O — User I/O pin (bank 1) |
| Broche 9 | I/O — User I/O pin (bank 1) |
| Broche 10 | I/O — User I/O pin (bank 1) |
| Broche 11 | VCCIO1 — I/O bank 1 supply (5V) |
| Broche 12 | I/O — User I/O pin (bank 2) |
| Broche 13 | I/O — User I/O pin (bank 2) |
| Broche 14 | I/O — User I/O pin (bank 2) |
| Broche 15 | I/O — User I/O pin (bank 2) |
| Broche 16 | I/O — User I/O pin (bank 2) |
| Broche 17 | I/O — User I/O pin (bank 2) |
| Broche 18 | I/O — User I/O pin (bank 2) |
| Broche 19 | I/O — User I/O pin (bank 2) |
| Broche 20 | I/O — User I/O pin (bank 2) |
| Broche 21 | GND — Ground |
| Broche 22 | I/O — User I/O pin (bank 3) |
| Broche 23 | I/O — User I/O pin (bank 3) |
| Broche 24 | I/O — User I/O pin (bank 3) |
| Broche 25 | I/O — User I/O pin (bank 3) |
| Broche 26 | I/O — User I/O pin (bank 3) |
| Broche 27 | I/O — User I/O pin (bank 3) |
| Broche 28 | I/O — User I/O pin (bank 3) |
| Broche 29 | I/O — User I/O pin (bank 3) |
| Broche 30 | I/O — User I/O pin (bank 3) |
| Broche 31 | I/O — User I/O pin (bank 3) |
| Broche 32 | VCCIO3 — I/O bank 3 supply (5V) |
| Broche 33 | I/O — User I/O pin (bank 3) |
| Broche 34 | I/O — User I/O pin (bank 3) |
| Broche 35 | I/O — User I/O pin (bank 3) |
| Broche 36 | I/O — User I/O pin (bank 3) |
| Broche 37 | I/O — User I/O pin (bank 3) |
| Broche 38 | I/O — User I/O pin (bank 3) |
| Broche 39 | I/O — User I/O pin (bank 3) |
| Broche 40 | I/O — User I/O pin (bank 3) |
| Broche 41 | GND — Ground |
| Broche 42 | I/O — User I/O pin (bank 3) |
| Broche 43 | I/O — User I/O pin (bank 3) |
| Broche 44 | I/O — User I/O pin (bank 3) |
| Broche 45 | I/O — User I/O pin (bank 3) |
| Broche 46 | I/O — User I/O pin (bank 3) |
| Broche 47 | I/O — User I/O pin (bank 3) |
| Broche 48 | I/O — User I/O pin (bank 3) |
| Broche 49 | I/O — User I/O pin (bank 3) |
| Broche 50 | VCCIO3 — I/O bank 3 supply (5V) |
| Broche 51 | I/O — User I/O pin (bank 4) |
| Broche 52 | I/O — User I/O pin (bank 4) |
| Broche 53 | I/O — User I/O pin (bank 4) |
| Broche 54 | I/O — User I/O pin (bank 4) |
| Broche 55 | I/O — User I/O pin (bank 4) |
| Broche 56 | I/O — User I/O pin (bank 4) |
| Broche 57 | I/O — User I/O pin (bank 4) |
| Broche 58 | I/O — User I/O pin (bank 4) |
| Broche 59 | I/O — User I/O pin (bank 4) |
| Broche 60 | I/O — User I/O pin (bank 4) |
| Broche 61 | I/O — User I/O pin (bank 4) |
| Broche 62 | GND — Ground |
| Broche 63 | I/O — User I/O pin (bank 4) |
| Broche 64 | I/O — User I/O pin (bank 4) |
| Broche 65 | I/O — User I/O pin (bank 4) |
| Broche 66 | I/O — User I/O pin (bank 4) |
| Broche 67 | I/O — User I/O pin (bank 4) |
| Broche 68 | I/O — User I/O pin (bank 4) |
| Broche 69 | I/O — User I/O pin (bank 4) |
| Broche 70 | I/O — User I/O pin (bank 4) |
| Broche 71 | I/O — User I/O pin (bank 4) |
| Broche 72 | I/O — User I/O pin (bank 4) |
| Broche 73 | I/O — User I/O pin (bank 4) |
| Broche 74 | I/O — User I/O pin (bank 4) |
| Broche 75 | I/O — User I/O pin (bank 4) |
| Broche 76 | I/O — User I/O pin (bank 4) |
| Broche 77 | I/O — User I/O pin (bank 4) |
| Broche 78 | I/O — User I/O pin (bank 4) |
| Broche 79 | VCCIO4 — I/O bank 4 supply (5V) |
| Broche 80 | I/O — User I/O pin (bank 4) |
| Broche 81 | I/O — User I/O pin (bank 4) |
| Broche 82 | I/O — User I/O pin (bank 4) |
| Broche 83 | GND — Ground |
| Broche 84 | I/O — User I/O pin (bank 5) |
| Broche 85 | I/O — User I/O pin (bank 5) |
| Broche 86 | I/O — User I/O pin (bank 5) |
| Broche 87 | I/O — User I/O pin (bank 5) |
| Broche 88 | I/O — User I/O pin (bank 5) |
| Broche 89 | I/O — User I/O pin (bank 5) |
| Broche 90 | I/O — User I/O pin (bank 5) |
| Broche 91 | I/O — User I/O pin (bank 5) |
| Broche 92 | I/O — User I/O pin (bank 5) |
| Broche 93 | I/O — User I/O pin (bank 5) |
| Broche 94 | I/O — User I/O pin (bank 5) |
| Broche 95 | VCCIO5 — I/O bank 5 supply (5V) |
| Broche 96 | I/O — User I/O pin (bank 5) |
| Broche 97 | I/O — User I/O pin (bank 5) |
| Broche 98 | I/O — User I/O pin (bank 5) |
| Broche 99 | I/O — User I/O pin (bank 5) |
| Broche 100 | I/O — User I/O pin (bank 5) |
| Broche 101 | I/O — User I/O pin (bank 5) |
| Broche 102 | I/O — User I/O pin (bank 5) |
| Broche 103 | I/O — User I/O pin (bank 5) |
| Broche 104 | GND — Ground |
| Broche 105 | I/O — User I/O pin (bank 5) |
| Broche 106 | I/O — User I/O pin (bank 5) |
| Broche 107 | I/O — User I/O pin (bank 5) |
| Broche 108 | I/O — User I/O pin (bank 5) |
| Broche 109 | I/O — User I/O pin (bank 5) |
| Broche 110 | I/O — User I/O pin (bank 5) |
| Broche 111 | I/O — User I/O pin (bank 5) |
| Broche 112 | I/O — User I/O pin (bank 5) |
| Broche 113 | I/O — User I/O pin (bank 5) |
| Broche 114 | I/O — User I/O pin (bank 5) |
| Broche 115 | I/O — User I/O pin (bank 5) |
| Broche 116 | VCCIO5 — I/O bank 5 supply (5V) |
| Broche 117 | I/O — User I/O pin (bank 6) |
| Broche 118 | I/O — User I/O pin (bank 6) |
| Broche 119 | I/O — User I/O pin (bank 6) |
| Broche 120 | I/O — User I/O pin (bank 6) |
| Broche 121 | I/O — User I/O pin (bank 6) |
| Broche 122 | I/O — User I/O pin (bank 6) |
| Broche 123 | I/O — User I/O pin (bank 6) |
| Broche 124 | I/O — User I/O pin (bank 6) |
| Broche 125 | GND — Ground |
| Broche 126 | I/O — User I/O pin (bank 6) |
| Broche 127 | I/O — User I/O pin (bank 6) |
| Broche 128 | I/O — User I/O pin (bank 6) |
| Broche 129 | I/O — User I/O pin (bank 6) |
| Broche 130 | I/O — User I/O pin (bank 6) |
| Broche 131 | I/O — User I/O pin (bank 6) |
| Broche 132 | I/O — User I/O pin (bank 6) |
| Broche 133 | I/O — User I/O pin (bank 6) |
| Broche 134 | I/O — User I/O pin (bank 6) |
| Broche 135 | I/O — User I/O pin (bank 6) |
| Broche 136 | I/O — User I/O pin (bank 6) |
| Broche 137 | VCCIO6 — I/O bank 6 supply (5V) |
| Broche 138 | I/O — User I/O pin (bank 6) |
| Broche 139 | I/O — User I/O pin (bank 6) |
| Broche 140 | I/O — User I/O pin (bank 6) |
| Broche 141 | I/O — User I/O pin (bank 6) |
| Broche 142 | I/O — User I/O pin (bank 6) |
| Broche 143 | I/O — User I/O pin (bank 6) |
| Broche 144 | I/O — User I/O pin (bank 6) |
| Broche 145 | I/O — User I/O pin (bank 6) |
| Broche 146 | GND — Ground |
| Broche 147 | I/O — User I/O pin (bank 7) |
| Broche 148 | I/O — User I/O pin (bank 7) |
| Broche 149 | I/O — User I/O pin (bank 7) |
| Broche 150 | I/O — User I/O pin (bank 7) |
| Broche 151 | I/O — User I/O pin (bank 7) |
| Broche 152 | I/O — User I/O pin (bank 7) |
| Broche 153 | I/O — User I/O pin (bank 7) |
| Broche 154 | I/O — User I/O pin (bank 7) |
| Broche 155 | I/O — User I/O pin (bank 7) |
| Broche 156 | VCCIO7 — I/O bank 7 supply (5V) |
| Broche 157 | I/O — User I/O pin (bank 7) |
| Broche 158 | I/O — User I/O pin (bank 7) |
| Broche 159 | I/O — User I/O pin (bank 7) |
| Broche 160 | I/O — User I/O pin (bank 7) |
| Broche 161 | I/O — User I/O pin (bank 7) |
| Broche 162 | I/O — User I/O pin (bank 7) |
| Broche 163 | I/O — User I/O pin (bank 7) |
| Broche 164 | I/O — User I/O pin (bank 7) |
| Broche 165 | I/O — User I/O pin (bank 7) |
| Broche 166 | I/O — User I/O pin (bank 7) |
| Broche 167 | GND — Ground |
| Broche 168 | I/O — User I/O pin (bank 7) |
| Broche 169 | I/O — User I/O pin (bank 7) |
| Broche 170 | I/O — User I/O pin (bank 7) |
| Broche 171 | I/O — User I/O pin (bank 7) |
| Broche 172 | I/O — User I/O pin (bank 7) |
| Broche 173 | I/O — User I/O pin (bank 7) |
| Broche 174 | I/O — User I/O pin (bank 7) |
| Broche 175 | I/O — User I/O pin (bank 7) |
| Broche 176 | I/O — User I/O pin (bank 7) |
| Broche 177 | VCCIO7 — I/O bank 7 supply (5V) |
| Broche 178 | I/O — User I/O pin (bank 8) |
| Broche 179 | I/O — User I/O pin (bank 8) |
| Broche 180 | I/O — User I/O pin (bank 8) |
| Broche 181 | I/O — User I/O pin (bank 8) |
| Broche 182 | I/O — User I/O pin (bank 8) |
| Broche 183 | I/O — User I/O pin (bank 8) |
| Broche 184 | I/O — User I/O pin (bank 8) |
| Broche 185 | I/O — User I/O pin (bank 8) |
| Broche 186 | I/O — User I/O pin (bank 8) |
| Broche 187 | I/O — User I/O pin (bank 8) |
| Broche 188 | I/O — User I/O pin (bank 8) |
| Broche 189 | I/O — User I/O pin (bank 8) |
| Broche 190 | GND — Ground |
| Broche 191 | I/O — User I/O pin (bank 8) |
| Broche 192 | I/O — User I/O pin (bank 8) |
| Broche 193 | I/O — User I/O pin (bank 8) |
| Broche 194 | I/O — User I/O pin (bank 8) |
| Broche 195 | I/O — User I/O pin (bank 8) |
| Broche 196 | I/O — User I/O pin (bank 8) |
| Broche 197 | I/O — User I/O pin (bank 8) |
| Broche 198 | I/O — User I/O pin (bank 8) |
| Broche 199 | I/O — User I/O pin (bank 8) |
| Broche 200 | I/O — User I/O pin (bank 8) |
| Broche 201 | I/O — User I/O pin (bank 8) |
| Broche 202 | VCCINT — Internal core supply (5V) |
| Broche 203 | I/O — User I/O pin (bank 8) |
| Broche 204 | I/O — User I/O pin (bank 8) |
| Broche 205 | I/O — User I/O pin (bank 8) |
| Broche 206 | I/O — User I/O pin (bank 8) |
| Broche 207 | I/O — User I/O pin (bank 8) |
| Broche 208 | I/O — User I/O pin (bank 8) |
Applications typiques
EPF8820ARC-4N convient pour 6 applications: 5V Embedded Glue Logic, Industrial Control and Instrumentation Front-End, ASIC Prototyping and Emulation, Telecom Line-Card Glue Logic, Legacy Bus-Interface Bridging, Military and Avionics Long-Life Platforms.
5V Embedded Glue Logic
The EPF8820ARC-4N's 672 logic elements and 152 5V-TTL-compatible I/O pins make it a natural fit for glue-logic consolidation around legacy 5V microprocessors such as the 8051, 68SEC000, or i386EX. With 8,000 usable gates, designers can absorb address-latch, bus-buffer, interrupt-controller, and chip-select decode functions into a single reconfigurable device, shrinking board area and BOM count compared to discrete 74-series logic. The FastTrack interconnect gives deterministic routing delays, and the 5V I/O directly interfaces 5V SRAM, ROM, and peripheral chips without level shifters.
Recommandé
Industrial Control and Instrumentation Front-End
The 5V supply, 0 to +70 °C industrial temperature support of the -4N speed grade, and 152 I/O pins position the EPF8820ARC-4N as a robust controller for industrial front-ends. The 125 MHz internal performance comfortably handles encoder decoding (quadrature, SSI), PWM generation for motor drives, and Modbus RTU / CANopen protocol bridging. The SRAM-based fabric also enables field firmware updates via JTAG, which is critical for deployed machinery that cannot be returned to the factory. The exposed pad on the 208-pin RQFP aids thermal dissipation in enclosed cabinets.
Recommandé
ASIC Prototyping and Emulation
The EPF8820ARC-4N's 8,000 gates and 125 MHz performance make it a classic ASIC prototyping vehicle for designs that will eventually migrate to a structured ASIC or gate-array. Quartus II and MAX+PLUS II both target the part, allowing designers to verify RTL behaviour, I/O timing, and bus-protocol compliance before committing to mask tooling. In-circuit reconfigurability via JTAG means a single board can validate multiple ASIC revisions in sequence, dramatically shortening time-to-silicon for 5V system-on-chip projects.
Recommandé
Telecom Line-Card Glue Logic
Telecom line cards historically depend on 5V TTL-compatible PLDs for time-slot interchangers, HDLC framing, alarm signalling, and clock-data recovery glue. The EPF8820ARC-4N's 152 I/Os comfortably interface T1/E1 framers, ECL/TTL level translators, and backplane serial links. Its 125 MHz internal performance meets the needs of 8.192 MHz E1 and 1.544 MHz T1 reference clocks with margin for oversampling. The FLEX 8000 SRAM configuration is field-reloadable, which simplifies fault-management firmware upgrades across a deployed base of line cards.
Recommandé
Legacy Bus-Interface Bridging
Many legacy embedded platforms (VME, ISA, PC/104, Multibus) still require 5V interface bridges, and the EPF8820ARC-4N is well suited to this role. Its 152 user I/Os can host an entire 16-bit ISA bus interface, address decoding for up to 24 address lines, wait-state generation, and DMA arbitration in a single chip. Compared to discrete 74FCT and 74LS glue, the FPGA reduces chip count, allows late-stage board-revision changes via JTAG, and obsoletes the need for a hard ASIC in low-volume production.
Recommandé
Military and Avionics Long-Life Platforms
The FLEX 8000 family has decades of proven deployment in avionics and military platforms, where re-procurement risk favours parts with long-form-change histories. The EPF8820ARC-4N's industrial temperature grade, exposed-pad RQFP package, and IEEE 1149.1 boundary-scan support suit ruggedized environments with high vibration and thermal stress. Designers also use it for protocol translation between MIL-STD-1553, ARINC 429, and proprietary buses, leveraging the 8,000-gate capacity to consolidate functions that would otherwise require multiple 54LS / 54FCT parts.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF8820ARC-4N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPF8820ARC208-4 | EPF8820ARC-4 | EPF8820ARC208-4N | EPF8636ARC208-4 | EPF8636ARC208-3 |
|---|---|---|---|---|---|---|
| Package | 208-pin RQFP | 208-pin RQFP (same) | 208-pin RQFP (same) | 208-pin RQFP (same) | 208-pin RQFP (same) | 208-pin RQFP (same) |
| Brand | Intel | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Usable Gates | 8,000 | 8,000 (same die) | 8,000 (same die) | 8,000 (same die) | 12,000 (higher density) | 12,000 (higher density) |
| Logic Elements | 672 | 672 (same die) | 672 (same die) | 672 (same die) | 504 (different die) | 504 (different die) |
| Maximum User I/O | 152 | 152 | 152 | 152 | 152 | 152 |
| Speed Grade | -4N (industrial) | -4 (commercial) | -4 | -4N (industrial) | -4 | -3 (slower) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Configuration Bitstream Compatible | Yes (self) | Yes | Yes | Yes | No (different device ID) | No (different device ID) |
Principaux différenciateurs
- Identical 208-pin RQFP package with bitstream compatibility (vs EPF8636ARC208-4)
- Industrial -4N speed grade with extended temperature support (vs EPF8820ARC208-4)
- Higher I/O density than smaller FLEX 8000 family members (vs EPF8452AQC160-4)
Notes de conception
The EPF8820ARC-4N requires three supply rails: VCCINT (5 V core), VCCIO1 through VCCIO8 (per-bank I/O 5 V supplies), and the exposed-pad thermal connection to ground. Each VCCIO bank must be decoupled locally with 0.1 µF and 10 µF capacitors placed within 5 mm of the supply pins to limit switching transients during configuration. Bulk decoupling of 47–100 µF is recommended at the regulator. Estimated: Icc during configuration is approximately 200 mA peak, rising to ~500 mA at full toggle frequency across all 152 I/Os - designers should budget 1 A headroom on the 5 V rail.
Because FLEX 8000 SRAM is volatile, the EPF8820ARC-4N must be configured at every power-up. Use an EPC1, EPC1064, EPC1213, or EPC1441 serial configuration EPROM on a dedicated PCB footprint so that firmware revisions can be swapped by replacing the EPROM only, without re-balling the FPGA. Alternatively, provide a JTAG header (TCK, TMS, TDI, TDO, TRST) for in-system programming with Altera ByteBlaster or compatible cables. The CONF_DONE pin must be pulled high with an external 10 kΩ resistor for board-level visibility of completion status.
The 208-pin RQFP exposed pad must be soldered to a copper pour of at least 1 square inch on the top or bottom PCB layer to keep junction temperature within the 0 °C to +70 °C industrial range. Estimated: at 5 V supply and 100% I/O toggle, ICC is approximately 500 mA, so dissipation is about 2.5 W and θJA is roughly 25 °C/W with the recommended copper pour - this yields a junction temperature rise of ~62 °C above ambient. Without the exposed-pad solder connection, θJA rises above 50 °C/W and the device may exceed thermal limits in enclosed enclosures.
Do not leave any user I/O floating on the EPF8820ARC-4N; each pin must be driven to a defined logic level or pulled to VCCIO/GND through a 10 kΩ resistor during configuration to avoid high ICC during the configuration process. Also note that the bitstream is not pin-compatible with EPF8636 (different device ID) - swapping parts requires recompilation with MAX+PLUS II or Quartus. Finally, do not apply 3.3 V signals directly to 5 V I/O banks without a level translator; this can trigger latch-up on the 0.42 µm CMOS output drivers.
Informations de conformité
The EPF8820ARC-4N ships primarily in lead-bearing RQFP packaging; explicit RoHS and lead-free status was not retrieved in the verified web data and is marked [DATA_NEEDED]. AEC-Q100 does not apply to FPGAs of this generation. For RoHS-compliant builds, evaluate the EPF8820AQC208-4N variant in the same 208-pin PQFP package.
