EPF8820ARI208-3 - 672 LE FLEX 8000 FPGA, 208-PQFP | Altera
N.º da peça: EPF8820ARI208-3 ✗ Fim de vida| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para EPF8820ARI208-3 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPF8820ARI208-3 (mesmo formato e footprint) — diferindo em Package, Process Technology, Configuration Method, Device Type, Usable Gates.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF8820ARC208-3
✅ Drop-In✓ Em estoque
$62 / unidade
Ver ficha técnica →EPF8820ARC208-3N
✅ Drop-In✓ Em estoque
$85 / unidade
Ver ficha técnica →EPF8820AQC208-3
✅ Drop-In✓ Em estoque
$18.95 / unidade
Ver ficha técnica →EPF8820ARC208-4
✅ Drop-In✓ Em estoque
$25.4 / unidade
Ver ficha técnica →EPF8820ARC208-2
✅ Drop-In✓ Em estoque
$17.95 / unidade
Ver ficha técnica →EPF8820ARC208-4N
✅ Drop-In✓ Em estoque
$32 / unidade
Ver ficha técnica →EPF8820ARI208-3 Classificações máximas e características elétricas
| Family | FLEX 8000 |
| Device Type | FPGA (Field-Programmable Gate Array) |
| Logic Elements | 672 |
| Maximum User I/O | 152 |
| Dedicated Inputs | 4 |
| Encapsulamento | 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 |
| Frequência máxima de clock | 385 MHz |
| Temperature Grade | Industrial |
| Speed Grade | -3 |
| Configuration Method | SRAM (requires external config device) |
| Programming Tool | Altera MAX+PLUS II / Quartus (legacy) |
| Tipo de montagem | Surface Mount |
| Status do ciclo de vida | Not Recommended for New Designs (NRND) |
Configuração de pinos do EPF8820ARI208-3
| Pino 1 | I/O — User I/O pin (bank 1) |
| Pino 2 | I/O — User I/O pin (bank 1) |
| Pino 3 | I/O — User I/O pin (bank 1) |
| Pino 4 | I/O — User I/O pin (bank 1) |
| Pino 5 | VCCINT — Internal core supply (5 V) |
| Pino 6 | GND — Ground |
| Pino 7 | I/O — User I/O pin (bank 1) |
| Pino 8 | I/O — User I/O pin (bank 1) |
| Pino 9 | I/O — User I/O pin (bank 1) |
| Pino 10 | I/O — User I/O pin (bank 1) |
| Pino 11 | I/O — User I/O pin (bank 1) |
| Pino 12 | I/O — User I/O pin (bank 1) |
| Pino 13 | I/O — User I/O pin (bank 1) |
| Pino 14 | I/O — User I/O pin (bank 1) |
| Pino 15 | I/O — User I/O pin (bank 1) |
| Pino 16 | GND — Ground |
| Pino 17 | I/O — User I/O pin (bank 2) |
| Pino 18 | I/O — User I/O pin (bank 2) |
| Pino 19 | I/O — User I/O pin (bank 2) |
| Pino 20 | I/O — User I/O pin (bank 2) |
| Pino 21 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 22 | I/O — User I/O pin (bank 2) |
| Pino 23 | I/O — User I/O pin (bank 2) |
| Pino 24 | I/O — User I/O pin (bank 2) |
| Pino 25 | I/O — User I/O pin (bank 2) |
| Pino 26 | I/O — User I/O pin (bank 2) |
| Pino 27 | I/O — User I/O pin (bank 2) |
| Pino 28 | I/O — User I/O pin (bank 2) |
| Pino 29 | I/O — User I/O pin (bank 2) |
| Pino 30 | I/O — User I/O pin (bank 2) |
| Pino 31 | GND — Ground |
| Pino 32 | I/O — User I/O pin (bank 3) |
| Pino 33 | I/O — User I/O pin (bank 3) |
| Pino 34 | I/O — User I/O pin (bank 3) |
| Pino 35 | I/O — User I/O pin (bank 3) |
| Pino 36 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 37 | I/O — User I/O pin (bank 3) |
| Pino 38 | I/O — User I/O pin (bank 3) |
| Pino 39 | I/O — User I/O pin (bank 3) |
| Pino 40 | I/O — User I/O pin (bank 3) |
| Pino 41 | I/O — User I/O pin (bank 3) |
| Pino 42 | I/O — User I/O pin (bank 3) |
| Pino 43 | I/O — User I/O pin (bank 3) |
| Pino 44 | I/O — User I/O pin (bank 3) |
| Pino 45 | I/O — User I/O pin (bank 3) |
| Pino 46 | GND — Ground |
| Pino 47 | I/O — User I/O pin (bank 4) |
| Pino 48 | I/O — User I/O pin (bank 4) |
| Pino 49 | I/O — User I/O pin (bank 4) |
| Pino 50 | I/O — User I/O pin (bank 4) |
| Pino 51 | VCCINT — Internal core supply (5 V) |
| Pino 52 | I/O — User I/O pin (bank 4) |
| Pino 53 | I/O — User I/O pin (bank 4) |
| Pino 54 | I/O — User I/O pin (bank 4) |
| Pino 55 | I/O — User I/O pin (bank 4) |
| Pino 56 | I/O — User I/O pin (bank 4) |
| Pino 57 | I/O — User I/O pin (bank 4) |
| Pino 58 | I/O — User I/O pin (bank 4) |
| Pino 59 | I/O — User I/O pin (bank 4) |
| Pino 60 | I/O — User I/O pin (bank 4) |
| Pino 61 | GND — Ground |
| Pino 62 | I/O — User I/O pin (bank 5) |
| Pino 63 | I/O — User I/O pin (bank 5) |
| Pino 64 | I/O — User I/O pin (bank 5) |
| Pino 65 | I/O — User I/O pin (bank 5) |
| Pino 66 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 67 | I/O — User I/O pin (bank 5) |
| Pino 68 | I/O — User I/O pin (bank 5) |
| Pino 69 | I/O — User I/O pin (bank 5) |
| Pino 70 | I/O — User I/O pin (bank 5) |
| Pino 71 | I/O — User I/O pin (bank 5) |
| Pino 72 | I/O — User I/O pin (bank 5) |
| Pino 73 | I/O — User I/O pin (bank 5) |
| Pino 74 | I/O — User I/O pin (bank 5) |
| Pino 75 | I/O — User I/O pin (bank 5) |
| Pino 76 | GND — Ground |
| Pino 77 | I/O — User I/O pin (bank 6) |
| Pino 78 | I/O — User I/O pin (bank 6) |
| Pino 79 | I/O — User I/O pin (bank 6) |
| Pino 80 | I/O — User I/O pin (bank 6) |
| Pino 81 | VCCINT — Internal core supply (5 V) |
| Pino 82 | I/O — User I/O pin (bank 6) |
| Pino 83 | I/O — User I/O pin (bank 6) |
| Pino 84 | I/O — User I/O pin (bank 6) |
| Pino 85 | I/O — User I/O pin (bank 6) |
| Pino 86 | I/O — User I/O pin (bank 6) |
| Pino 87 | I/O — User I/O pin (bank 6) |
| Pino 88 | I/O — User I/O pin (bank 6) |
| Pino 89 | I/O — User I/O pin (bank 6) |
| Pino 90 | I/O — User I/O pin (bank 6) |
| Pino 91 | GND — Ground |
| Pino 92 | I/O — User I/O pin (bank 7) |
| Pino 93 | I/O — User I/O pin (bank 7) |
| Pino 94 | I/O — User I/O pin (bank 7) |
| Pino 95 | I/O — User I/O pin (bank 7) |
| Pino 96 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 97 | I/O — User I/O pin (bank 7) |
| Pino 98 | I/O — User I/O pin (bank 7) |
| Pino 99 | I/O — User I/O pin (bank 7) |
| Pino 100 | I/O — User I/O pin (bank 7) |
| Pino 101 | I/O — User I/O pin (bank 7) |
| Pino 102 | I/O — User I/O pin (bank 7) |
| Pino 103 | I/O — User I/O pin (bank 7) |
| Pino 104 | I/O — User I/O pin (bank 7) |
| Pino 105 | I/O — User I/O pin (bank 7) |
| Pino 106 | GND — Ground |
| Pino 107 | I/O — User I/O pin (bank 8) |
| Pino 108 | I/O — User I/O pin (bank 8) |
| Pino 109 | I/O — User I/O pin (bank 8) |
| Pino 110 | I/O — User I/O pin (bank 8) |
| Pino 111 | VCCINT — Internal core supply (5 V) |
| Pino 112 | I/O — User I/O pin (bank 8) |
| Pino 113 | I/O — User I/O pin (bank 8) |
| Pino 114 | I/O — User I/O pin (bank 8) |
| Pino 115 | I/O — User I/O pin (bank 8) |
| Pino 116 | I/O — User I/O pin (bank 8) |
| Pino 117 | I/O — User I/O pin (bank 8) |
| Pino 118 | I/O — User I/O pin (bank 8) |
| Pino 119 | I/O — User I/O pin (bank 8) |
| Pino 120 | I/O — User I/O pin (bank 8) |
| Pino 121 | GND — Ground |
| Pino 122 | nCONFIG — Configuration control (active-low) |
| Pino 123 | nSTATUS — Configuration status (active-low) |
| Pino 124 | CONF_DONE — Configuration done indicator |
| Pino 125 | DCLK — Configuration clock input |
| Pino 126 | DATA0 — Configuration data input (bit 0) |
| Pino 127 | DATA1 — Configuration data input (bit 1) |
| Pino 128 | DATA2 — Configuration data input (bit 2) |
| Pino 129 | DATA3 — Configuration data input (bit 3) |
| Pino 130 | DATA4 — Configuration data input (bit 4) |
| Pino 131 | DATA5 — Configuration data input (bit 5) |
| Pino 132 | DATA6 — Configuration data input (bit 6) |
| Pino 133 | DATA7 — Configuration data input (bit 7) |
| Pino 134 | GND — Ground |
| Pino 135 | TDI — JTAG Test Data Input |
| Pino 136 | TDO — JTAG Test Data Output |
| Pino 137 | TMS — JTAG Test Mode Select |
| Pino 138 | TCK — JTAG Test Clock |
| Pino 139 | TRST — JTAG Test Reset (active-low) |
| Pino 140 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 141 | I/O — User I/O pin |
| Pino 142 | I/O — User I/O pin |
| Pino 143 | I/O — User I/O pin |
| Pino 144 | I/O — User I/O pin |
| Pino 145 | I/O — User I/O pin |
| Pino 146 | GND — Ground |
| Pino 147 | I/O — User I/O pin |
| Pino 148 | I/O — User I/O pin |
| Pino 149 | I/O — User I/O pin |
| Pino 150 | I/O — User I/O pin |
| Pino 151 | I/O — User I/O pin |
| Pino 152 | VCCINT — Internal core supply (5 V) |
| Pino 153 | I/O — User I/O pin |
| Pino 154 | I/O — User I/O pin |
| Pino 155 | I/O — User I/O pin |
| Pino 156 | I/O — User I/O pin |
| Pino 157 | I/O — User I/O pin |
| Pino 158 | I/O — User I/O pin |
| Pino 159 | I/O — User I/O pin |
| Pino 160 | I/O — User I/O pin |
| Pino 161 | GND — Ground |
| Pino 162 | I/O — User I/O pin |
| Pino 163 | I/O — User I/O pin |
| Pino 164 | I/O — User I/O pin |
| Pino 165 | I/O — User I/O pin |
| Pino 166 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 167 | I/O — User I/O pin |
| Pino 168 | I/O — User I/O pin |
| Pino 169 | I/O — User I/O pin |
| Pino 170 | I/O — User I/O pin |
| Pino 171 | I/O — User I/O pin |
| Pino 172 | I/O — User I/O pin |
| Pino 173 | I/O — User I/O pin |
| Pino 174 | I/O — User I/O pin |
| Pino 175 | I/O — User I/O pin |
| Pino 176 | GND — Ground |
| Pino 177 | I/O — User I/O pin |
| Pino 178 | I/O — User I/O pin |
| Pino 179 | I/O — User I/O pin |
| Pino 180 | I/O — User I/O pin |
| Pino 181 | VCCINT — Internal core supply (5 V) |
| Pino 182 | I/O — User I/O pin |
| Pino 183 | I/O — User I/O pin |
| Pino 184 | I/O — User I/O pin |
| Pino 185 | I/O — User I/O pin |
| Pino 186 | I/O — User I/O pin |
| Pino 187 | I/O — User I/O pin |
| Pino 188 | I/O — User I/O pin |
| Pino 189 | I/O — User I/O pin |
| Pino 190 | I/O — User I/O pin |
| Pino 191 | GND — Ground |
| Pino 192 | I/O — User I/O pin |
| Pino 193 | I/O — User I/O pin |
| Pino 194 | I/O — User I/O pin |
| Pino 195 | I/O — User I/O pin |
| Pino 196 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 197 | I/O — User I/O pin |
| Pino 198 | I/O — User I/O pin |
| Pino 199 | I/O — User I/O pin |
| Pino 200 | I/O — User I/O pin |
| Pino 201 | I/O — User I/O pin |
| Pino 202 | I/O — User I/O pin |
| Pino 203 | I/O — User I/O pin |
| Pino 204 | I/O — User I/O pin |
| Pino 205 | I/O — User I/O pin |
| Pino 206 | GND — Ground |
| Pino 207 | DEV_CLRn — Device clear (active-low) |
| Pino 208 | DEV_OE — Device output enable |
Aplicações típicas
EPF8820ARI208-3 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF8820ARI208-3 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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).