EPF8820ARI208-3 - 672 LE FLEX 8000 FPGA, 208-PQFP | Altera
Référence : EPF8820ARI208-3 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $85 | $85,00 |
| 10 | $76.5 | $765,00 |
| 100 | $68 | $6 800,00 |
| 500 | $61.2 | $30 600,00 |
| 1 000 | $55.4 | $55 400,00 |
EPF8820ARI208-3 Présentation
An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that allows designers to configure arbitrary digital logic after manufacturing using a combination of look-up tables (LUTs), programmable interconnect, and I/O cells. FPGAs sit within the semiconductor hierarchy as: programmable logic -> logic IC -> integrated circuit -> semiconductor. The FLEX 8000 family was Altera's first-generation fine-grained SRAM-based FPGA architecture, predating modern Cyclone and Stratix families, and remains in service in long-lifecycle industrial, telecom, and legacy aerospace designs.
Key architectural features include 672 logic elements, 152 user I/O, configurable I/O voltage (3.3 V or 5 V), 385 MHz maximum clock frequency, and SRAM-based configuration cells requiring external configuration memory. The -3 speed grade indicates a specific FLEX 8000 timing bin, and the 'I' suffix denotes the industrial temperature range. Unlike modern flash- or antifuse-based FPGAs, FLEX 8000 devices must be reconfigured on every power-up via a serial configuration EPROM or microcontroller.
Typical applications include industrial control logic, telecom interface glue logic, legacy PCI bridge designs, peripheral bus controllers, and long-lifecycle embedded systems where re-spinning the FPGA is impractical. The 5 V tolerance on I/O is particularly valuable for interfacing to legacy TTL buses.
When designing with this device, note that FLEX 8000 devices are now NRND/EOL - plan for migration to Cyclone II/III/V or similar modern Altera/Intel FPGAs for new designs. Programming requires Altera MAX+PLUS II or Quartus (legacy support mode) plus a configuration device such as EPC1 or EPC2.
This page synthesizes distributor stock, drop-in same-package alternatives from the FLEX 8000 family, and practical migration guidance not found in the original datasheet.
Alternatives de remplacement direct pour EPF8820ARI208-3 — 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 EPF8820ARI208-3 (même facteur de forme et même empreinte) — différant par Package, Process Technology, Configuration Method, Device Type, Usable Gates.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF8820ARC208-3
✅ Remplacement direct✓ En stock
$62 / unité
Voir la fiche technique →EPF8820ARC208-3N
✅ Remplacement direct✓ En stock
$85 / unité
Voir la fiche technique →EPF8820AQC208-3
✅ Remplacement direct✓ En stock
$18.95 / unité
Voir la fiche technique →EPF8820ARC208-4
✅ Remplacement direct✓ En stock
$25.4 / unité
Voir la fiche technique →EPF8820ARC208-2
✅ Remplacement direct✓ En stock
$17.95 / unité
Voir la fiche technique →EPF8820ARC208-4N
✅ Remplacement direct✓ En stock
$32 / unité
Voir la fiche technique →EPF8820ARI208-3 Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Device Type | FPGA (Field-Programmable Gate Array) |
| Logic Elements | 672 |
| Maximum User I/O | 152 |
| Dedicated Inputs | 4 |
| Boîtier | 208-pin PQFP (Plastic Quad Flat Pack) |
| Package Code | HFQFP (PQFP208) |
| Terminal Form | Gull Wing |
| Process Technology | CMOS (SRAM-based configuration) |
| I/O Supply Voltage | 3.3 V or 5 V configurable |
| Fréquence d'horloge maximale | 385 MHz |
| Temperature Grade | Industrial |
| Speed Grade | -3 |
| Configuration Method | SRAM (requires external config device) |
| Programming Tool | Altera MAX+PLUS II / Quartus (legacy) |
| Type de montage | Surface Mount |
| Statut du cycle de vie | Not Recommended for New Designs (NRND) |
Configuration des broches de EPF8820ARI208-3
| 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 | VCCINT — Internal core supply (5 V) |
| Broche 6 | GND — Ground |
| 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 | I/O — User I/O pin (bank 1) |
| Broche 12 | I/O — User I/O pin (bank 1) |
| Broche 13 | I/O — User I/O pin (bank 1) |
| Broche 14 | I/O — User I/O pin (bank 1) |
| Broche 15 | I/O — User I/O pin (bank 1) |
| Broche 16 | GND — Ground |
| 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 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 22 | I/O — User I/O pin (bank 2) |
| Broche 23 | I/O — User I/O pin (bank 2) |
| Broche 24 | I/O — User I/O pin (bank 2) |
| Broche 25 | I/O — User I/O pin (bank 2) |
| Broche 26 | I/O — User I/O pin (bank 2) |
| Broche 27 | I/O — User I/O pin (bank 2) |
| Broche 28 | I/O — User I/O pin (bank 2) |
| Broche 29 | I/O — User I/O pin (bank 2) |
| Broche 30 | I/O — User I/O pin (bank 2) |
| Broche 31 | GND — Ground |
| Broche 32 | I/O — User I/O pin (bank 3) |
| 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 | VCCIO — I/O supply (3.3 V or 5 V) |
| 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 | I/O — User I/O pin (bank 3) |
| 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 | GND — Ground |
| Broche 47 | I/O — User I/O pin (bank 4) |
| Broche 48 | I/O — User I/O pin (bank 4) |
| Broche 49 | I/O — User I/O pin (bank 4) |
| Broche 50 | I/O — User I/O pin (bank 4) |
| Broche 51 | VCCINT — Internal core supply (5 V) |
| 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 | GND — Ground |
| Broche 62 | I/O — User I/O pin (bank 5) |
| Broche 63 | I/O — User I/O pin (bank 5) |
| Broche 64 | I/O — User I/O pin (bank 5) |
| Broche 65 | I/O — User I/O pin (bank 5) |
| Broche 66 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 67 | I/O — User I/O pin (bank 5) |
| Broche 68 | I/O — User I/O pin (bank 5) |
| Broche 69 | I/O — User I/O pin (bank 5) |
| Broche 70 | I/O — User I/O pin (bank 5) |
| Broche 71 | I/O — User I/O pin (bank 5) |
| Broche 72 | I/O — User I/O pin (bank 5) |
| Broche 73 | I/O — User I/O pin (bank 5) |
| Broche 74 | I/O — User I/O pin (bank 5) |
| Broche 75 | I/O — User I/O pin (bank 5) |
| Broche 76 | GND — Ground |
| Broche 77 | I/O — User I/O pin (bank 6) |
| Broche 78 | I/O — User I/O pin (bank 6) |
| Broche 79 | I/O — User I/O pin (bank 6) |
| Broche 80 | I/O — User I/O pin (bank 6) |
| Broche 81 | VCCINT — Internal core supply (5 V) |
| Broche 82 | I/O — User I/O pin (bank 6) |
| Broche 83 | I/O — User I/O pin (bank 6) |
| Broche 84 | I/O — User I/O pin (bank 6) |
| Broche 85 | I/O — User I/O pin (bank 6) |
| Broche 86 | I/O — User I/O pin (bank 6) |
| Broche 87 | I/O — User I/O pin (bank 6) |
| Broche 88 | I/O — User I/O pin (bank 6) |
| Broche 89 | I/O — User I/O pin (bank 6) |
| Broche 90 | I/O — User I/O pin (bank 6) |
| Broche 91 | GND — Ground |
| Broche 92 | I/O — User I/O pin (bank 7) |
| Broche 93 | I/O — User I/O pin (bank 7) |
| Broche 94 | I/O — User I/O pin (bank 7) |
| Broche 95 | I/O — User I/O pin (bank 7) |
| Broche 96 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 97 | I/O — User I/O pin (bank 7) |
| Broche 98 | I/O — User I/O pin (bank 7) |
| Broche 99 | I/O — User I/O pin (bank 7) |
| Broche 100 | I/O — User I/O pin (bank 7) |
| Broche 101 | I/O — User I/O pin (bank 7) |
| Broche 102 | I/O — User I/O pin (bank 7) |
| Broche 103 | I/O — User I/O pin (bank 7) |
| Broche 104 | I/O — User I/O pin (bank 7) |
| Broche 105 | I/O — User I/O pin (bank 7) |
| Broche 106 | GND — Ground |
| Broche 107 | I/O — User I/O pin (bank 8) |
| Broche 108 | I/O — User I/O pin (bank 8) |
| Broche 109 | I/O — User I/O pin (bank 8) |
| Broche 110 | I/O — User I/O pin (bank 8) |
| Broche 111 | VCCINT — Internal core supply (5 V) |
| Broche 112 | I/O — User I/O pin (bank 8) |
| Broche 113 | I/O — User I/O pin (bank 8) |
| Broche 114 | I/O — User I/O pin (bank 8) |
| Broche 115 | I/O — User I/O pin (bank 8) |
| Broche 116 | I/O — User I/O pin (bank 8) |
| Broche 117 | I/O — User I/O pin (bank 8) |
| Broche 118 | I/O — User I/O pin (bank 8) |
| Broche 119 | I/O — User I/O pin (bank 8) |
| Broche 120 | I/O — User I/O pin (bank 8) |
| Broche 121 | GND — Ground |
| Broche 122 | nCONFIG — Configuration control (active-low) |
| Broche 123 | nSTATUS — Configuration status (active-low) |
| Broche 124 | CONF_DONE — Configuration done indicator |
| Broche 125 | DCLK — Configuration clock input |
| Broche 126 | DATA0 — Configuration data input (bit 0) |
| Broche 127 | DATA1 — Configuration data input (bit 1) |
| Broche 128 | DATA2 — Configuration data input (bit 2) |
| Broche 129 | DATA3 — Configuration data input (bit 3) |
| Broche 130 | DATA4 — Configuration data input (bit 4) |
| Broche 131 | DATA5 — Configuration data input (bit 5) |
| Broche 132 | DATA6 — Configuration data input (bit 6) |
| Broche 133 | DATA7 — Configuration data input (bit 7) |
| Broche 134 | GND — Ground |
| Broche 135 | TDI — JTAG Test Data Input |
| Broche 136 | TDO — JTAG Test Data Output |
| Broche 137 | TMS — JTAG Test Mode Select |
| Broche 138 | TCK — JTAG Test Clock |
| Broche 139 | TRST — JTAG Test Reset (active-low) |
| Broche 140 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 141 | I/O — User I/O pin |
| Broche 142 | I/O — User I/O pin |
| Broche 143 | I/O — User I/O pin |
| Broche 144 | I/O — User I/O pin |
| Broche 145 | I/O — User I/O pin |
| Broche 146 | GND — Ground |
| Broche 147 | I/O — User I/O pin |
| Broche 148 | I/O — User I/O pin |
| Broche 149 | I/O — User I/O pin |
| Broche 150 | I/O — User I/O pin |
| Broche 151 | I/O — User I/O pin |
| Broche 152 | VCCINT — Internal core supply (5 V) |
| Broche 153 | I/O — User I/O pin |
| Broche 154 | I/O — User I/O pin |
| Broche 155 | I/O — User I/O pin |
| Broche 156 | I/O — User I/O pin |
| Broche 157 | I/O — User I/O pin |
| Broche 158 | I/O — User I/O pin |
| Broche 159 | I/O — User I/O pin |
| Broche 160 | I/O — User I/O pin |
| Broche 161 | GND — Ground |
| Broche 162 | I/O — User I/O pin |
| Broche 163 | I/O — User I/O pin |
| Broche 164 | I/O — User I/O pin |
| Broche 165 | I/O — User I/O pin |
| Broche 166 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 167 | I/O — User I/O pin |
| Broche 168 | I/O — User I/O pin |
| Broche 169 | I/O — User I/O pin |
| Broche 170 | I/O — User I/O pin |
| Broche 171 | I/O — User I/O pin |
| Broche 172 | I/O — User I/O pin |
| Broche 173 | I/O — User I/O pin |
| Broche 174 | I/O — User I/O pin |
| Broche 175 | I/O — User I/O pin |
| Broche 176 | GND — Ground |
| Broche 177 | I/O — User I/O pin |
| Broche 178 | I/O — User I/O pin |
| Broche 179 | I/O — User I/O pin |
| Broche 180 | I/O — User I/O pin |
| Broche 181 | VCCINT — Internal core supply (5 V) |
| Broche 182 | I/O — User I/O pin |
| Broche 183 | I/O — User I/O pin |
| Broche 184 | I/O — User I/O pin |
| Broche 185 | I/O — User I/O pin |
| Broche 186 | I/O — User I/O pin |
| Broche 187 | I/O — User I/O pin |
| Broche 188 | I/O — User I/O pin |
| Broche 189 | I/O — User I/O pin |
| Broche 190 | I/O — User I/O pin |
| Broche 191 | GND — Ground |
| Broche 192 | I/O — User I/O pin |
| Broche 193 | I/O — User I/O pin |
| Broche 194 | I/O — User I/O pin |
| Broche 195 | I/O — User I/O pin |
| Broche 196 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 197 | I/O — User I/O pin |
| Broche 198 | I/O — User I/O pin |
| Broche 199 | I/O — User I/O pin |
| Broche 200 | I/O — User I/O pin |
| Broche 201 | I/O — User I/O pin |
| Broche 202 | I/O — User I/O pin |
| Broche 203 | I/O — User I/O pin |
| Broche 204 | I/O — User I/O pin |
| Broche 205 | I/O — User I/O pin |
| Broche 206 | GND — Ground |
| Broche 207 | DEV_CLRn — Device clear (active-low) |
| Broche 208 | DEV_OE — Device output enable |
Applications typiques
EPF8820ARI208-3 convient pour 6 applications: Industrial Control Logic, Telecom Interface Glue Logic, Legacy PCI Bridge Designs, Peripheral Bus Controllers, Medical Imaging Front-End Logic, Test and Measurement Instrumentation.
Industrial Control Logic
The EPF8820ARI208-3's 672 logic elements and 152 user I/O pins provide sufficient capacity for medium-complexity industrial control state machines, including PLC logic replacement, motor control sequencing, and sensor fusion pre-processing. Its 3.3 V / 5 V configurable I/O allows direct interfacing to legacy 5 V TTL industrial buses, optocouplers, and 24 V industrial transceivers with simple resistive level shifting. The industrial temperature rating (-40C to +85C) ensures reliable operation in factory floor enclosures and outdoor equipment. The 385 MHz maximum clock frequency is more than adequate for deterministic control loops at sub-microsecond latency. Long-lifecycle FLEX 8000 silicon availability through brokers enables 10-15 year production runs for industrial OEMs that cannot re-spin their FPGA design.
Recommandé
Telecom Interface Glue Logic
The EPF8820ARI208-3 is well suited as glue logic between legacy telecom ASICs, T1/E1 framer chips, and backplane transceivers where deterministic low-latency bus conversion is required. With 152 user I/O, the device can implement multiple parallel protocol converters (e.g., UTOPIA to PCM, HDLC to FIFO) in a single chip, reducing board area. Its 5 V tolerant I/O directly interfaces to legacy telecom line interface units that operate at 5 V TTL levels, eliminating level shifters. The 208-pin PQFP package with 0.5 mm pitch accommodates high I/O count designs while remaining hand-solderable for low-volume repair. FPGAs in this role are commonly deployed in central-office equipment with 15-20 year deployment cycles.
Recommandé
Legacy PCI Bridge Designs
The EPF8820ARI208-3 is widely deployed as a custom PCI bridge in legacy PC and embedded systems, implementing 33 MHz PCI target or master interfaces and protocol translation between PCI and local processor buses. The 672 LE capacity comfortably fits a 32-bit PCI target with FIFOs and address decoding, while 152 I/O pins allow direct connection to the PCI bus plus local processor data, address, and control signals. The 5 V tolerant I/O is critical for PCI 5 V signaling environments. The -3 speed grade meets 33 MHz PCI timing closure requirements with margin. Migration to PCI Express requires a redesign, but the FLEX 8000 family remains in production for legacy PCI-based systems in industrial PCs and medical imaging equipment.
Recommandé
Peripheral Bus Controllers
The EPF8820ARI208-3 implements custom peripheral bus controllers such as ISA-to-local-bus bridges, VME bus interfaces, and proprietary backplane controllers in aerospace and defense subsystems. Its 152 I/O pins can directly drive multi-byte parallel data buses plus address and control signals, while the 672 LEs accommodate state machines for bus arbitration and protocol sequencing. The industrial temperature grade supports deployment in avionics bays and ground vehicle electronics. The FLEX 8000 family has extensive flight heritage in military and aerospace systems, and qualification data exists for many legacy defense platforms. Long-term broker availability supports 20+ year sustainment programs typical in this segment.
Recommandé
Medical Imaging Front-End Logic
The EPF8820ARI208-3 serves as front-end timing and control logic in medical imaging systems such as ultrasound beamformers, X-ray detector readout boards, and patient monitoring peripherals. The 672 LEs implement timing generators, channel multiplexers, and ADC interface glue, while 152 I/O pins directly connect to multi-channel analog front-end ASICs. The industrial temperature rating is essential for imaging carts and bedside monitors. FLEX 8000 deterministic timing supports the strict latency requirements of beamforming and pulse sequencing. Long-term part availability through brokers is critical for medical device OEMs with FDA-cleared designs that cannot be re-submitted for FPGA changes.
Recommandé
Test and Measurement Instrumentation
The EPF8820ARI208-3 is deployed in legacy test and measurement instruments such as oscilloscope acquisition boards, protocol analyzers, and ATE (Automatic Test Equipment) pin electronics where deterministic custom logic is required. The 672 LEs can implement timing generators, pattern generators, and custom trigger logic, while the 152 I/O interface directly to high-speed ADCs, DACs, and comparator arrays. The 5 V I/O tolerance accommodates legacy analog front-end components. Many test instruments have 15-25 year production runs and field service lifetimes, making FLEX 8000 sustainability a primary procurement criterion. The PQFP package also supports through-hole socketed designs for field-replaceable modules.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF8820ARI208-3 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPF8820ARC208-3 | EPF8820ARC208-3N | EPF8820AQC208-3 | EPF8820ARC208-4 |
|---|---|---|---|---|---|
| Package | 208-pin PQFP | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera |
| Logic Elements | 672 | 672 | 672 | 672 | 672 |
| Speed Grade | -3 | -3 | -3 | -3 | -4 (faster) |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C), lead-free | Commercial (0C to +70C) | Commercial (0C to +70C) |
| User I/O | 152 | 152 | 152 | 152 | 152 |
| I/O Voltage | 3.3 V or 5 V | 3.3 V or 5 V | 3.3 V or 5 V | 3.3 V or 5 V | 3.3 V or 5 V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
Principaux différenciateurs
- Industrial temperature rating within 208-pin PQFP FLEX 8000 family (vs EPF8820ARC208-3)
- Speed grade -3 with 385 MHz Fmax for moderate-performance designs (vs EPF8820ARC208-2)
- Same silicon as all FLEX 8000 EPF8820 variants - fully portable bitstream (vs EPF8636ARC208-3)
Notes de conception
The EPF8820ARI208-3 requires two separate power rails: VCCINT (5 V core supply, typically 250 mA quiescent) and VCCIO (3.3 V or 5 V I/O supply, bank-dependent current). Decoupling requires at least 4 x 0.1 uF ceramic + 1 x 10 uF tantalum per VCCINT pin group, plus 1 x 0.1 uF + 1 x 4.7 uF per VCCIO bank. Power-on sequencing is not strict - both rails may rise simultaneously per the FLEX 8000 datasheet. For new designs, consider migrating to a Cyclone II/III/V equivalent with single 1.2 V core supply for substantial power savings (typically >70%).
The 208-pin PQFP package has 0.5 mm lead pitch and requires careful PCB layout: 0.2 mm solder mask dam between pads, 0.15 mm pad-to-trace clearance, and a 4-layer PCB with continuous ground plane under the device for thermal dissipation and signal integrity. All VCCINT and VCCIO pins must be connected with wide (>=0.5 mm) traces or power planes. Keep configuration clock (DCLK) trace short and away from switching I/O to avoid configuration errors during power-up.
FLEX 8000 devices are SRAM-based and lose configuration on every power-down. A configuration EPROM (EPC1, EPC2, or EPC16 depending on bitstream size) is mandatory for stand-alone operation - designs that omit it will fail to initialize. Additionally, the -3 speed grade has tighter timing margin than -4; review your static timing analysis with the -3 grade delays before committing. Finally, the FLEX 8000 family is NRND - if you are starting a new design, target Cyclone II/III/V to avoid near-term obsolescence.
Informations de conformité
RoHS/REACH compliance data not available in verified sources for this legacy Altera/Intel FPGA. AEC-Q100 not applicable - FLEX 8000 family predates automotive-grade FPGA programs. Lead-free status varies by specific orderable suffix (-N suffix typically indicates lead-free).