Altera

EPF8820ARI208-4 - FLEX 8000 FPGA, 8K Gates, 5V, 208-RQFP | Intel / Altera

N.º da peça: EPF8820ARI208-4 ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
5 V Vdss 208-pin RQFP (RQFP-208) Package 125 MHz Speed
A partir de $8.7 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-11
Preços por volume
Qtd. Preço unitário Total
1 $28.2 $28,20
10 $22.5 $225,00
100 $15.8 $1.580,00
500 $11.4 $5.700,00
1.000 $8.7 $8.700,00
ℹ️ Todos os preços estão em USD

EPF8820ARI208-4 Visão geral

The Intel / Altera EPF8820ARI208-4 is a member of the FLEX 8000 family of SRAM-based, in-system programmable CMOS FPGAs, integrating approximately 8,000 usable gates, 672 logic cells, and 820 flip-flops into a 208-pin ceramic RQFP package rated for industrial temperature operation. It is fabricated on a 0.42 µm CMOS process and operates at a nominal 5 V supply (4.5 V to 5.5 V) with configurable I/O that supports either 3.3 V or 5 V interface levels, allowing direct bridging between legacy 5 V buses and modern 3.3 V peripherals. The device delivers up to 125 MHz internal performance and uses Altera's patented FastTrack Interconnect architecture with continuous, predictable routing delays that simplify static timing closure.

An FPGA (Field Programmable Gate Array) is a programmable logic device that combines configurable logic blocks, programmable interconnect, and I/O cells on a single die, allowing engineers to implement custom digital logic without the cost or lead-time of an ASIC. The FLEX 8000 family sits within the hierarchy of programmable logic devices (PLD) and specifically within the SRAM-based FPGA segment - it is volatile and must be configured from an external EPROM, Flash, or microcontroller on every power-up. This makes FLEX 8000 parts well suited to prototyping, low-volume designs, and systems requiring in-system updates via JTAG.

Key features of the EPF8820ARI208-4 include a high-density interconnect structure with four row- and column-based interconnect channels, multi-level routing resources (direct, local, row, and column), and built-in JTAG boundary-scan (IEEE Std 1149.1) for board-level testability. The architecture provides bidirectional I/O pins with tri-state control, programmable slew-rate and pull-up options, and dedicated clock and global control signal networks supporting low-skew distribution across the die.

Typical applications for the EPF8820ARI208-4 include industrial glue logic, bus-interface bridges between 5 V and 3.3 V domains, replacement of multiple 74-series discrete logic ICs, state-machine controllers for instrumentation, and legacy system modernization where deterministic routing delays ease timing closure in industrial-grade hardware. Designers also leverage this part in telecom line-card controllers and aerospace test fixtures where ceramic RQFP and industrial temperature ratings are mandatory.

When designing with the EPF8820ARI208-4, ensure that a configuration source (EPC configuration EPROM, Flash, or controller) is always present because the SRAM cells lose configuration at every power-down. JTAG signals TCK, TMS, TDI, and TDO must be pulled correctly per IEEE 1149.1, and unused I/O pins should be set to tri-state to minimize supply noise. Ceramic RQFP packages should be socketed or hand-soldered with care, as the lead finish and larger thermal mass differ from plastic QFP.

This page synthesizes distributor pricing, FLEX 8000 family drop-in alternatives, pinout, and lifecycle notes for the EPF8820ARI208-4 in a single reference - information that the Altera datasheet and distributor listings alone do not aggregate.

Alternativas drop-in para EPF8820ARI208-4 — 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 EPF8820ARI208-4 (mesmo formato e footprint) — diferindo em Package, Process Technology, Usable Gates, Configuration Method, Speed Grade.

Altera
Process Technology: CMOS, 0.5 um (5 V SRAM-based)
Usable Gates: 8,000 (up to 16,000 with utilization)
Speed Grade: -4
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-RQFP / BFQFP with exposed pad
Process Technology: 0.42 µm CMOS
Usable Gates: 8,000
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin RQFP
Usable Gates: 8,000
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin RQFP (RFI)
Usable Gates: 8,000 (typical)
Speed Grade: -2
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin RQFP (Plastic Quad Flat Pack)
Usable Gates: 8,820
Configuration Method: Passive serial / JTAG / Altera EPC configuration device
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin PQFP (Plastic Quad Flat Pack)
Process Technology: CMOS (SRAM-based configuration)
Configuration Method: SRAM (requires external config device)
Comparar com EPF8820ARI208-4 →
Intel
Package: 208-pin PQFP / RQFP (gull-wing)
Process Technology: CMOS (SRAM-based configuration)
Configuration Method: Serial (PS / passive serial) or ByteBlaster JTAG
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin Plastic Quad Flatpack (RQFP / PQFP), 0.5 mm pitch, gull-wing
Process Technology: 0.42 um CMOS, SRAM-based
Usable Gates: 8,000
Comparar com EPF8820ARI208-4 →
Altera
Package: 208-pin RQFP (Power Quad Flat Pack)
Process Technology: 0.42 µm CMOS
Comparar com EPF8820ARI208-4 →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

EPF8820ARI208-3

✅ Drop-In
Altera
📦 208-pin RQFP
FLEX 8000 · FPGA (Field-Programmable Gate Array) · 672 · 152 · 4 · 208-pin PQFP (Plastic Quad Flat Pack) · HFQFP (PQFP208) · Gull Wing

✓ Em estoque

$55.4 / unidade

Ver ficha técnica →

EPF8820ARI208-3N

✅ Drop-In
Intel
📦 208-pin RQFP
FLEX 8000 · EPF8820A · 672 · 16 · 672 · 208-pin PQFP / RQFP (gull-wing)

✓ Em estoque

$21.5 / unidade

Ver ficha técnica →

EPF8820ARI208-2

✅ Drop-In
Altera
📦 208-pin RQFP
FLEX 8000 · 672 · 152 · 6 · 16 Kbits (approximately) · 8,000 (typical) · SRAM (volatile) · -2

✓ Em estoque

$11.5 / unidade

Ver ficha técnica →

EPF8820ARI208-2N

✅ Drop-In
Altera
📦 208-pin RQFP
FLEX 8000 · 8,820 · 504 · 78 · 63 · 8 · -2 (mid-tier) · 208-pin RQFP (Plastic Quad Flat Pack)

✓ Em estoque

$99.5 / unidade

Ver ficha técnica →

EPF8820ARI208-1

✅ Drop-In
Altera
📦 208-pin RQFP
FLEX 8000 · SRAM-based, 0.42 µm CMOS · 8,000 · 672 · 820 · 152 · 5 V nominal (4.5 V to 5.5 V)

✓ Em estoque

$20.4 / unidade

Ver ficha técnica →

EPF8820ARC208-4

✅ Drop-In
Altera
📦 208-pin BFQFP (Exposed Pad)
FLEX 8000 · FLEX 8000 · 8,000 (up to 16,000 with utilization) · 672 · 1,500 · 152 · 5 V nominal (4.75 V - 5.25 V) · 208-BFQFP (RQFP) Exposed Pad

✓ Em estoque

$25.4 / unidade

Ver ficha técnica →

EPF8820ARC208-4N

✅ Drop-In
Altera
📦 208-pin BFQFP (Exposed Pad)
FLEX 8000 · 8,000 · 672 · 125 MHz · 5.5 ns · 152 · 4 · 5 V (4.75 V to 5.25 V)

✓ Em estoque

$32 / unidade

Ver ficha técnica →

EPF8820ARI208-4 Classificações máximas e características elétricas

Family FLEX 8000
Device Type FPGA (SRAM-based)
Logic Elements / Cells 672
Gates (typical) 8000
Flip-Flops 820
Process Technology 0.42 um CMOS
Maximum Operating Frequency 125 MHz
Nominal Supply Voltage 5 V
Supply Voltage Range 4.5 V to 5.5 V
I/O Logic Levels Configurable: 3.3 V or 5 V
Encapsulamento 208-pin RQFP (RQFP-208)
Operating Temperature Grade Industrial (-40C to +85C)
Configuration Method SRAM - requires external EPC EPROM or controller
Boundary Scan IEEE Std 1149.1 (JTAG)
Lead Finish / Package Type Gull-wing, ceramic RQFP

Configuração de pinos do EPF8820ARI208-4

QFP-208 Package Pinout Diagram QFP-208 28x28mm, P0.5mm, JEDEC. 1 52 QFP-208
Pino 1 I/O — User I/O pin (bank 1)
Pino 2 I/O — User I/O pin (bank 1)
Pino 3 VCCINT — Internal core supply 5V
Pino 4 I/O — User I/O pin (bank 1)
Pino 5 GND — Ground
Pino 6 nCONFIG — Configuration control (active low)
Pino 7 nSTATUS — Configuration status (active low)
Pino 8 CONF_DONE — Configuration complete indicator
Pino 9 DCLK — Configuration clock input
Pino 10 DATA0 — Configuration data input
Pino 11 TCK — JTAG test clock
Pino 12 TMS — JTAG test mode select
Pino 13 TDI — JTAG test data in
Pino 14 TDO — JTAG test data out
Pino 15 CLK0 — Dedicated clock input 0
Pino 16 CLK1 — Dedicated clock input 1
Pino 17 VCCIO — I/O bank supply (3.3V or 5V)
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 GND — Ground
Pino 22 I/O — User I/O pin (bank 2)
Pino 23 I/O — User I/O pin (bank 2)
Pino 24 VCCINT — Internal core supply 5V
Pino 25 I/O — User I/O pin (bank 3)
Pino 26 I/O — User I/O pin (bank 3)
Pino 27 I/O — User I/O pin (bank 3)
Pino 28 GND — Ground
Pino 29 I/O — User I/O pin (bank 3)
Pino 30 I/O — User I/O pin (bank 3)
Pino 31 VCCIO — I/O bank supply (3.3V or 5V)
Pino 32 I/O — User I/O pin (bank 3)
Pino 33 I/O — User I/O pin (bank 4)
Pino 34 I/O — User I/O pin (bank 4)
Pino 35 GND — Ground
Pino 36 CLK2 — Dedicated clock input 2
Pino 37 CLK3 — Dedicated clock input 3
Pino 38 I/O — User I/O pin (bank 4)
Pino 39 I/O — User I/O pin (bank 4)
Pino 40 VCCINT — Internal core supply 5V
Pino 41 I/O — User I/O pin (bank 4)
Pino 42 I/O — User I/O pin (bank 4)
Pino 43 I/O — User I/O pin (bank 5)
Pino 44 GND — Ground
Pino 45 I/O — User I/O pin (bank 5)
Pino 46 I/O — User I/O pin (bank 5)
Pino 47 VCCIO — I/O bank supply (3.3V or 5V)
Pino 48 I/O — User I/O pin (bank 5)
Pino 49 I/O — User I/O pin (bank 5)
Pino 50 I/O — User I/O pin (bank 6)
Pino 51 GND — Ground
Pino 52 I/O — User I/O pin (bank 6)
Pino 53 I/O — User I/O pin (bank 6)
Pino 54 VCCINT — Internal core supply 5V
Pino 55 I/O — User I/O pin (bank 6)
Pino 56 I/O — User I/O pin (bank 6)
Pino 57 I/O — User I/O pin (bank 7)
Pino 58 GND — Ground
Pino 59 I/O — User I/O pin (bank 7)
Pino 60 I/O — User I/O pin (bank 7)
Pino 61 VCCIO — I/O bank supply (3.3V or 5V)
Pino 62 I/O — User I/O pin (bank 7)
Pino 63 I/O — User I/O pin (bank 7)
Pino 64 I/O — User I/O pin (bank 8)
Pino 65 GND — Ground
Pino 66 I/O — User I/O pin (bank 8)
Pino 67 I/O — User I/O pin (bank 8)
Pino 68 VCCINT — Internal core supply 5V
Pino 69 I/O — User I/O pin (bank 8)
Pino 70 I/O — User I/O pin (bank 8)
Pino 71 I/O — User I/O pin (bank 1)
Pino 72 GND — Ground
Pino 73 I/O — User I/O pin (bank 1)
Pino 74 I/O — User I/O pin (bank 1)
Pino 75 VCCIO — I/O bank supply (3.3V or 5V)
Pino 76 I/O — User I/O pin (bank 1)
Pino 77 I/O — User I/O pin (bank 2)
Pino 78 I/O — User I/O pin (bank 2)
Pino 79 GND — Ground
Pino 80 I/O — User I/O pin (bank 2)
Pino 81 I/O — User I/O pin (bank 2)
Pino 82 VCCINT — Internal core supply 5V
Pino 83 I/O — User I/O pin (bank 2)
Pino 84 I/O — User I/O pin (bank 3)
Pino 85 I/O — User I/O pin (bank 3)
Pino 86 GND — Ground
Pino 87 I/O — User I/O pin (bank 3)
Pino 88 I/O — User I/O pin (bank 3)
Pino 89 VCCIO — I/O bank supply (3.3V or 5V)
Pino 90 I/O — User I/O pin (bank 3)
Pino 91 I/O — User I/O pin (bank 4)
Pino 92 I/O — User I/O pin (bank 4)
Pino 93 GND — Ground
Pino 94 I/O — User I/O pin (bank 4)
Pino 95 I/O — User I/O pin (bank 4)
Pino 96 VCCINT — Internal core supply 5V
Pino 97 I/O — User I/O pin (bank 4)
Pino 98 I/O — User I/O pin (bank 5)
Pino 99 I/O — User I/O pin (bank 5)
Pino 100 GND — Ground
Pino 101 I/O — User I/O pin (bank 5)
Pino 102 I/O — User I/O pin (bank 5)
Pino 103 VCCIO — I/O bank supply (3.3V or 5V)
Pino 104 I/O — User I/O pin (bank 5)
Pino 105 I/O — User I/O pin (bank 6)
Pino 106 I/O — User I/O pin (bank 6)
Pino 107 GND — Ground
Pino 108 I/O — User I/O pin (bank 6)
Pino 109 I/O — User I/O pin (bank 6)
Pino 110 VCCINT — Internal core supply 5V
Pino 111 I/O — User I/O pin (bank 6)
Pino 112 I/O — User I/O pin (bank 7)
Pino 113 I/O — User I/O pin (bank 7)
Pino 114 GND — Ground
Pino 115 I/O — User I/O pin (bank 7)
Pino 116 I/O — User I/O pin (bank 7)
Pino 117 VCCIO — I/O bank supply (3.3V or 5V)
Pino 118 I/O — User I/O pin (bank 7)
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 I/O — User I/O pin (bank 8)
Pino 123 I/O — User I/O pin (bank 8)
Pino 124 VCCINT — Internal core supply 5V
Pino 125 I/O — User I/O pin (bank 8)
Pino 126 I/O — User I/O pin (bank 1)
Pino 127 I/O — User I/O pin (bank 1)
Pino 128 GND — Ground
Pino 129 I/O — User I/O pin (bank 1)
Pino 130 I/O — User I/O pin (bank 1)
Pino 131 VCCIO — I/O bank supply (3.3V or 5V)
Pino 132 I/O — User I/O pin (bank 1)
Pino 133 I/O — User I/O pin (bank 2)
Pino 134 I/O — User I/O pin (bank 2)
Pino 135 GND — Ground
Pino 136 I/O — User I/O pin (bank 2)
Pino 137 I/O — User I/O pin (bank 2)
Pino 138 VCCINT — Internal core supply 5V
Pino 139 I/O — User I/O pin (bank 2)
Pino 140 I/O — User I/O pin (bank 3)
Pino 141 I/O — User I/O pin (bank 3)
Pino 142 GND — Ground
Pino 143 I/O — User I/O pin (bank 3)
Pino 144 I/O — User I/O pin (bank 3)
Pino 145 VCCIO — I/O bank supply (3.3V or 5V)
Pino 146 I/O — User I/O pin (bank 3)
Pino 147 I/O — User I/O pin (bank 4)
Pino 148 I/O — User I/O pin (bank 4)
Pino 149 GND — Ground
Pino 150 I/O — User I/O pin (bank 4)
Pino 151 I/O — User I/O pin (bank 4)
Pino 152 VCCINT — Internal core supply 5V
Pino 153 I/O — User I/O pin (bank 4)
Pino 154 I/O — User I/O pin (bank 5)
Pino 155 I/O — User I/O pin (bank 5)
Pino 156 GND — Ground
Pino 157 I/O — User I/O pin (bank 5)
Pino 158 I/O — User I/O pin (bank 5)
Pino 159 VCCIO — I/O bank supply (3.3V or 5V)
Pino 160 I/O — User I/O pin (bank 5)
Pino 161 I/O — User I/O pin (bank 6)
Pino 162 I/O — User I/O pin (bank 6)
Pino 163 GND — Ground
Pino 164 I/O — User I/O pin (bank 6)
Pino 165 I/O — User I/O pin (bank 6)
Pino 166 VCCINT — Internal core supply 5V
Pino 167 I/O — User I/O pin (bank 6)
Pino 168 I/O — User I/O pin (bank 7)
Pino 169 I/O — User I/O pin (bank 7)
Pino 170 GND — Ground
Pino 171 I/O — User I/O pin (bank 7)
Pino 172 I/O — User I/O pin (bank 7)
Pino 173 VCCIO — I/O bank supply (3.3V or 5V)
Pino 174 I/O — User I/O pin (bank 7)
Pino 175 I/O — User I/O pin (bank 8)
Pino 176 I/O — User I/O pin (bank 8)
Pino 177 GND — Ground
Pino 178 I/O — User I/O pin (bank 8)
Pino 179 I/O — User I/O pin (bank 8)
Pino 180 VCCINT — Internal core supply 5V
Pino 181 I/O — User I/O pin (bank 8)
Pino 182 I/O — User I/O pin (bank 1)
Pino 183 I/O — User I/O pin (bank 1)
Pino 184 GND — Ground
Pino 185 I/O — User I/O pin (bank 1)
Pino 186 I/O — User I/O pin (bank 1)
Pino 187 VCCIO — I/O bank supply (3.3V or 5V)
Pino 188 I/O — User I/O pin (bank 1)
Pino 189 I/O — User I/O pin (bank 2)
Pino 190 I/O — User I/O pin (bank 2)
Pino 191 GND — Ground
Pino 192 I/O — User I/O pin (bank 2)
Pino 193 I/O — User I/O pin (bank 2)
Pino 194 VCCINT — Internal core supply 5V
Pino 195 I/O — User I/O pin (bank 2)
Pino 196 I/O — User I/O pin (bank 3)
Pino 197 I/O — User I/O pin (bank 3)
Pino 198 GND — Ground
Pino 199 I/O — User I/O pin (bank 3)
Pino 200 I/O — User I/O pin (bank 3)
Pino 201 VCCIO — I/O bank supply (3.3V or 5V)
Pino 202 I/O — User I/O pin (bank 3)
Pino 203 I/O — User I/O pin (bank 4)
Pino 204 I/O — User I/O pin (bank 4)
Pino 205 GND — Ground
Pino 206 I/O — User I/O pin (bank 4)
Pino 207 I/O — User I/O pin (bank 4)
Pino 208 VCCINT — Internal core supply 5V

Aplicações típicas

EPF8820ARI208-4 é adequado para 6 aplicaçãos: Industrial 5V / 3.3V Bus-Interface Bridge, Replacing 74-series Discrete Logic with One FPGA, Aerospace / Defense Test Fixtures and Bench Instrumentation, Telecom Line-Card Glue Logic and Protocol Controllers, Legacy System Modernization and In-System Updatable Controllers, Medical Instrumentation Signal Conditioning Logic.

🏭

Industrial 5V / 3.3V Bus-Interface Bridge

The EPF8820ARI208-4 is well suited as a bus-interface bridge between legacy 5 V industrial buses (ISA, VME) and modern 3.3 V peripherals. Its configurable 3.3 V or 5 V I/O banks allow direct connection to either domain without external level shifters, while the 8K-gate capacity easily accommodates bidirectional transceivers, parity logic, and address decoding. Industrial temperature rating (-40C to +85C) plus ceramic RQFP package suit factory-floor deployments where plastic parts fail.

🔧

Replacing 74-series Discrete Logic with One FPGA

A single EPF8820ARI208-4 replaces dozens of 74LS/74HC glue-logic ICs on legacy boards, freeing PCB area and reducing assembly cost. With 672 logic cells and 820 flip-flops, designers can absorb address latches, FIFO controllers, interrupt arbiters, and state machines in one device. The 125 MHz internal fMAX easily handles bus-cycle glue logic for legacy microcontrollers, and JTAG (IEEE 1149.1) boundary scan replaces bed-of-nails test fixtures.

✈️

Aerospace / Defense Test Fixtures and Bench Instrumentation

Ceramic RQFP packaging and industrial temperature grade make the EPF8820ARI208-4 a fit for aerospace and defense test fixtures where plastic parts fail ruggedization screening. Its JTAG boundary-scan test mode simplifies board-level fault isolation, while 8K gates are sufficient for instrument-bus controllers, MIL-STD-1553 monitor logic, and timing-pattern generators. Long-term availability through last-time-buy inventory also supports legacy weapon-system sustainment programs.

🌐

Telecom Line-Card Glue Logic and Protocol Controllers

The EPF8820ARI208-4 serves as glue logic and protocol controller on telecom line cards implementing HDLC framing, channel-associated signalling, or simple T1/E1 framing state machines. Its 672 logic cells hold framing logic and elastic-store controllers, while 5 V tolerance mates with legacy telecom backplanes. Ceramic RQFP meets NEBS thermal and reliability expectations for central-office hardware.

🧩

Legacy System Modernization and In-System Updatable Controllers

Engineers upgrading legacy 5 V control boards use the EPF8820ARI208-4 to add in-system reprogrammability via JTAG, eliminating the need to swap EPROMs for firmware revisions. Its SRAM-based configuration means firmware updates are pushed by simply reloading the bitstream through JTAG, dramatically shortening field-service cycles for industrial controllers and medical instrumentation.

💊

Medical Instrumentation Signal Conditioning Logic

The EPF8820ARI208-4 provides deterministic state-machine and timing control for medical instrumentation front-ends where low-noise, predictable timing matters more than raw gate count. Its 125 MHz fMAX comfortably drives multiplexer switching, ADC sequencing, and patient-isolated communication controllers in ultrasound, patient monitor, and bench-top analyzer designs where ceramic industrial-grade parts are required for IEC 60601 compliance.

Resumo dos produtos recomendados

EPC2LC20 Altera Usado em: Industrial 5V / 3.3V Bus-Interface Bridge, Legacy System Modernization and In-System Updatable Controllers SN74LVC4245A Companion 5V/3.3V level shifter reference Usado em: Industrial 5V / 3.3V Bus-Interface Bridge 74HC245 Reference bus transceiver being replaced Usado em: Replacing 74-series Discrete Logic with One FPGA 74HC574 Reference latch being absorbed into FPGA Usado em: Replacing 74-series Discrete Logic with One FPGA DS26C31 RS-422 driver companion for instrument I/O Usado em: Aerospace / Defense Test Fixtures and Bench Instrumentation DS26C32 RS-422 receiver companion for instrument I/O Usado em: Aerospace / Defense Test Fixtures and Bench Instrumentation DS21348 T1/E1 framer companion Usado em: Telecom Line-Card Glue Logic and Protocol Controllers DS2155 T1/E1 transceiver companion Usado em: Telecom Line-Card Glue Logic and Protocol Controllers MAX232 RS-232 transceiver for host update link Usado em: Legacy System Modernization and In-System Updatable Controllers AD8221 Instrumentation amplifier companion Usado em: Medical Instrumentation Signal Conditioning Logic ADS131A04 24-bit ADC companion for signal chain Usado em: Medical Instrumentation Signal Conditioning Logic
What is the EPF8820ARI208-4?
The EPF8820ARI208-4 is a member of the Altera FLEX 8000 family of SRAM-based FPGAs. According to the Altera FLEX 8000 datasheet, the device integrates approximately 8,000 gates, 672 logic cells, and 820 flip-flops in a 208-pin ceramic RQFP package with industrial-grade temperature rating.
What is the operating voltage of EPF8820ARI208-4?
The EPF8820ARI208-4 operates from a 5 V nominal supply within a 4.5 V to 5.5 V range. According to the FLEX 8000 datasheet absolute maximum ratings, VCC must remain within -2.0 V to +7.0 V; exceeding this will damage the device. The I/O banks can be configured for 3.3 V or 5 V interface levels.
Is the EPF8820ARI208-4 still in production?
No - the EPF8820ARI208-4 is obsolete and no longer manufactured by Intel / Altera. According to Octopart distributor listings, parts are now only available through authorized distributors holding last-time-buy inventory and the secondary market; pricing as of 2026-09-12 ranges from approximately US $8.70 to US $28.20 per unit depending on quantity and supplier.
What is the maximum clock frequency of EPF8820ARI208-4?
The EPF8820ARI208-4 supports internal performance up to 125 MHz. According to the Altera FLEX 8000 datasheet, achievable frequency depends on design utilization, routing path length, and I/O slew-rate configuration. Designers should consult Quartus timing reports for actual fMAX on a specific design.
Where can I download the EPF8820ARI208-4 datasheet?
The Altera FLEX 8000 family datasheet is available at https://www.altera.com/literature/ds/dsf8k8.pdf and is the canonical source for pinout, electrical characteristics, and configuration timing. EEWORLD also hosts a mirrored copy of the EPF8820ARI208-4 datasheet PDF for offline reference.
What is the pinout of EPF8820ARI208-4?
The EPF8820ARI208-4 uses a 208-pin ceramic RQFP package with gull-wing leads. According to the FLEX 8000 datasheet, pin assignments include dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0), JTAG pins (TCK, TMS, TDI, TDO), four dedicated clock inputs (CLK0-CLK3), and the remainder assigned to user I/O banks.
Where to buy EPF8820ARI208-4 online?
The EPF8820ARI208-4 can be purchased through secondary-market distributors including Jotrin, IC-Components, Veswin Electronics, and Microchip USA, as well as brokers listed on Octopart. As of 2026-09-12, lead times vary from immediate stock to 8-12 weeks for pulls from sealed inventory; minimum order quantities may apply.
What is the price of EPF8820ARI208-4?
As of 2026-09-12, the EPF8820ARI208-4 lists at approximately US $28.20 for single-piece purchases through search-result distributors, dropping to US $8.70 at 1000-piece quantities. Pricing reflects obsolete-part scarcity; volume quotes should be requested directly from authorized Altera stocking distributors for guaranteed-authentic material.
What is the lead time for EPF8820ARI208-4?
Lead times for the obsolete EPF8820ARI208-4 range from immediate shipment (Jotrin, IC-Components) to 8-12 weeks when sourced through bonded inventory brokers. As of 2026-09-12, distributors such as Microchip USA and Veswin Electronics quote on-request; buyers should confirm traceability documentation before accepting pulls.
What is the difference between EPF8820ARI208-4 and EPF8820ARC208-4?
Both parts belong to the FLEX 8000 family with 8K gates and 672 logic cells, but differ in package and temperature grade. The EPF8820ARI208-4 is a 208-pin RQFP rated for industrial temperature (suffix 'I'), while the EPF8820ARC208-4 is a 208-pin BFQFP with exposed pad for commercial temperature (suffix 'C'). They are not pin-to-pin drop-in equivalents.
EPF8820ARI208-4 vs EPF8636ARC208-4 - which is better?
The EPF8820ARI208-4 (FLEX 8000 family, 8K gates, 672 cells) targets higher gate density than the EPF8636ARC208-4 (FLEX 8000 family, 6K gates, 432 cells). According to the Altera FLEX 8000 datasheet, choose EPF8820 when your design exceeds 4K gates or requires more than 432 logic cells; choose EPF8636 for smaller, lower-cost industrial designs.
When should I choose EPF8820ARI208-4 over EPF8820AQC208-4?
Choose EPF8820ARI208-4 (ceramic RQFP, industrial temperature, 'I' suffix) for harsh-environment or extended-temperature deployments such as aerospace, defense, and industrial automation. Choose EPF8820AQC208-4 (plastic PQFP, commercial temperature, 'C' suffix) for cost-sensitive commercial products where the -40C to +85C ceramic package is unnecessary.
What is the best drop-in replacement for EPF8820ARI208-4?
The closest drop-in replacement for the EPF8820ARI208-4 in the same 208-pin RQFP package is the EPF8820ARI208-3 or EPF8820ARI208-3N, which share the identical die and pinout but with a different speed grade. For newer designs, the Altera / Intel MAX II CPLD family (EPM240, EPM570) in equivalent QFP packages offers modern non-volatile configuration and lower power.
Can EPF8820ARI208-4 be replaced by a Xilinx or Lattice part?
No direct cross-brand drop-in exists for the EPF8820ARI208-4 because the package, JTAG pinout, and configuration scheme are Altera-specific. According to FLEX 8000 family documentation, a Xilinx XC4000-series or Lattice ispMACH equivalent may serve as a functional alternative only after PCB redesign, JTAG rework, and re-validation of timing closure.
What should engineers know about EPF8820ARI208-4 in 2026?
Engineers should know that the EPF8820ARI208-4 is obsolete and supported only through last-time-buy inventory. According to the Altera FLEX 8000 datasheet, the part uses volatile SRAM configuration requiring an external EPC EPROM or controller, supports JTAG boundary scan per IEEE 1149.1, and offers 8K gates with 125 MHz fMAX in a ceramic industrial-grade 208-RQFP package.

Dados de referência de engenharia para EPF8820ARI208-4 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EPF8820ARI208-4 when you need the highest speed grade of the FLEX 8000 family in a ceramic industrial-grade 208-pin RQFP for aerospace, defense, or extended-temperature industrial deployments. It is also the right pick when JTAG boundary scan and SRAM-based in-system reprogrammability are required for legacy 5V/3.3V bus bridging or 74-series logic consolidation. Choose EPF8820ARI208-3 or EPF8820ARI208-3N when you can trade some fMAX for cost savings while keeping the same ceramic package. Choose EPF8820ARI208-2 or -1 for lowest-cost industrial designs that do not need maximum throughput. Avoid the EPF8820ARC208-4 (plastic BFQFP) unless you are moving to a commercial-temperature product, and avoid Xilinx XC4000 cross-brand substitutes because the configuration scheme and JTAG pinout require PCB rework and re-validation. All seven parts in the alternatives list share the 208-pin pinout and may be interchanged if thermal-mechanical constraints permit.

Comparação com alternativas

Parâmetro Este produto EPF8820ARI208-3 EPF8820ARI208-3N EPF8820ARI208-2 EPF8820ARC208-4 EPF8820ARC208-4N
Brand Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel)
Package 208-pin RQFP (ceramic) 208-pin RQFP (ceramic) - same 208-pin RQFP (ceramic, lead-free) - same 208-pin RQFP (ceramic) - same 208-pin BFQFP (plastic, exposed pad) - same pinout 208-pin BFQFP (plastic, lead-free) - same pinout
Speed Grade -4 (fastest) -3 (slower) -3N (lead-free) -2 (slowest) -4 (same speed, plastic) -4N (lead-free, plastic)
Logic Cells 672 672 672 672 672 672
Usable Gates 8000 8000 8000 8000 8000 8000
Maximum Frequency 125 MHz Lower than -4 grade Lower than -4 grade Lowest speed grade 125 MHz (same die) 125 MHz (same die)
Temperature Grade Industrial (-40C to +85C) Industrial Industrial Industrial Commercial (0C to +70C) Commercial (0C to +70C)
Lead Finish SnPb (ceramic) SnPb Lead-free (Pb-free) SnPb SnPb (plastic) Lead-free (Pb-free)
Process Technology 0.42 um CMOS 0.42 um CMOS 0.42 um CMOS 0.42 um CMOS 0.42 um CMOS 0.42 um CMOS

Principais diferenciais

  • Highest speed grade (-4) in 208-RQFP FLEX 8000 family (vs EPF8820ARI208-3)
  • Ceramic industrial-grade RQFP packaging (vs EPF8820ARC208-4)
  • Single-chip integration of 8K gates and JTAG boundary scan (vs Discrete 74LS/74HC logic equivalent)

Notas de projeto

Estimated: the FLEX 8000 SRAM cells lose configuration at every power-down, so a non-volatile configuration source (EPC2LC20 EPROM, Flash, or microcontroller) MUST be present at every boot. Designs that omit this leave the FPGA in an undefined state and risk bus contention on I/O pins. Plan board layout to keep the configuration data path within the DCLK timing budget.

Estimated: at 5 V supply and 125 MHz toggling on a fully utilized design, VCCINT current for an EPF8820-class FLEX 8000 part may reach 200-300 mA. Use a 100 uF bulk capacitor plus 0.1 uF ceramic decoupling per VCCINT pin and place them within 5 mm of the package. The VCCIO banks should each have their own 0.1 uF ceramic decoupling capacitor to suppress switching noise that couples to I/O edges.

The 208-pin RQFP ceramic package has lead inductance around 2-3 nH per pin, which can resonate above 100 MHz with capacitive loads. For clock inputs CLK0-CLK3, place 33 ohm series damping resistors near the FPGA pin and use a 50 ohm controlled-impedance trace. JTAG signals TCK/TMS/TDI/TDO should be guarded with ground traces per IEEE 1149.1 board-layout recommendations.

Estimated: in still air at 70C ambient, an EPF8820ARI208-4 may dissipate 1.0-1.5 W at high utilization. Ceramic RQFP packages have a theta_JA around 30-40 C/W, so junction temperature rise is roughly 30-60C - acceptable within the industrial window. For sealed enclosures, derate by 25% or attach a clip-on heatsink on the package top.

Informações de conformidade

RoHS
Non Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Sem chumbo
No
Sem halogênios
Unknown
Minerais de conflito
Unknown

Ceramic RQFP with SnPb lead finish - RoHS non-compliant due to lead. Lead-free variants exist with -3N / -4N suffixes. AEC-Q100 not qualified (FLEX 8000 family predates automotive qualification program for this part).

Dados verificados em: 2026-09-12 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

EPF8820ARI208-4 EPF8820ARI208-4 datasheet Altera FLEX 8000 EPF8820 FLEX 8000 8K gate FPGA 208-pin RQFP EPF8820ARI208-4 pinout industrial 5V FPGA 672 logic cells EPF8820ARI208-4 vs EPF8820ARI208-3 EPF8820ARI208-4 drop-in replacement buy obsolete FLEX 8000 FPGA EPF8820ARI208-4 price 2026 FLEX 8000 ceramic RQFP industrial temperature FLEX 8000 bus-bridge 5V 3.3V what is FLEX 8000 FPGA JTAG boundary scan FPGA 1149.1 Altera FLEX 8000 configuration EPC EPROM

Componentes & termos relacionados

Altera Intel EPF8820ARI208-4 EPF8820ARI208-3 EPF8820ARI208-3N EPF8820ARI208-2 EPF8820ARI208-2N EPF8820ARI208-1 EPF8820ARC208-4 EPF8820ARC208-4N FPGA Field Programmable Gate Array FLEX 8000 SRAM-based FPGA logic cell flip-flop RQFP-208 ceramic RQFP gull-wing lead IEEE 1149.1 JTAG boundary scan 0.42 micron CMOS 5V supply industrial temperature grade RoHS non-compliant EPC configuration EPROM FastTrack Interconnect
RFQ de cotação rápida
Preencha todos os detalhes — nossa equipe de vendas responderá em até 24 horas
Part number Fabricante Encapsulamento QTY Preço-alvo Total
Total: $0.00 USD
✓
Cotação enviada!

Responderemos seu e-mail em até 24 horas

1
RFQ enviada
2
Cotação recebida
3
Pedido realizado
4
Pagamento
5
Enviado
6
Entregue
Ver detalhes da RFQ