EPF8820ARI208-1 - FLEX 8000 FPGA, 672 LEs, 5V, 208-RQFP | Altera
MPN: EPF8820ARI208-1 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.95 | $2,895.00 |
| 500 | $24.1 | $12,050.00 |
| 1,000 | $20.4 | $20,400.00 |
Drop-in alternatives for EPF8820ARI208-1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPF8820ARI208-1 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Technology | SRAM-based, 0.42 Β΅m CMOS |
| Usable Gates | 8,000 |
| Logic Elements (LEs) | 672 |
| Flip-Flops | 820 |
| Maximum User I/O | 152 |
| Supply Voltage (VCCINT) | 5 V nominal (4.5 V to 5.5 V) |
| I/O Voltage Standards | 3.3 V or 5 V configurable |
| Maximum Toggle Frequency | 125 MHz |
| Package | 208-pin RQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 Β°C to +85 Β°C (industrial) |
| Configuration Interface | JTAG / IEEE 1149.1 + serial/parallel EPROM |
| Process Geometry | 0.42 Β΅m |
EPF8820ARI208-1 Pin Configuration
| Pin 1 | GND β Ground |
| Pin 2 | I/O β User I/O pin (bank 1) |
| Pin 3 | I/O β User I/O pin (bank 1) |
| Pin 4 | I/O β User I/O pin (bank 1) |
| Pin 5 | I/O β User I/O pin (bank 1) |
| Pin 6 | VCCIO β I/O supply voltage (3.3V or 5V) |
| Pin 7 | I/O β User I/O pin (bank 1) |
| Pin 8 | I/O β User I/O pin (bank 1) |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | GND β Ground |
| Pin 12 | I/O β User I/O pin (bank 1) |
| Pin 13 | I/O β User I/O pin (bank 1) |
| Pin 14 | I/O β User I/O pin (bank 1) |
| Pin 15 | VCCINT β Core supply voltage (5V) |
| Pin 16 | I/O β User I/O pin (bank 1) |
| Pin 17 | I/O β User I/O pin (bank 1) |
| Pin 18 | I/O β User I/O pin (bank 1) |
| Pin 19 | I/O β User I/O pin (bank 1) |
| Pin 20 | I/O β User I/O pin (bank 1) |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O pin (bank 1) |
| Pin 23 | I/O β User I/O pin (bank 1) |
| Pin 24 | I/O β User I/O pin (bank 1) |
| Pin 25 | I/O β User I/O pin (bank 1) |
| Pin 26 | I/O β User I/O pin (bank 1) |
| Pin 27 | VCCIO β I/O supply voltage |
| Pin 28 | I/O β User I/O pin (bank 1) |
| Pin 29 | I/O β User I/O pin (bank 1) |
| Pin 30 | I/O β User I/O pin (bank 1) |
| Pin 31 | I/O β User I/O pin (bank 1) |
| Pin 32 | GND β Ground |
| Pin 33 | I/O β User I/O pin (bank 2) |
| Pin 34 | I/O β User I/O pin (bank 2) |
| Pin 35 | I/O β User I/O pin (bank 2) |
| Pin 36 | I/O β User I/O pin (bank 2) |
| Pin 37 | I/O β User I/O pin (bank 2) |
| Pin 38 | VCCINT β Core supply voltage (5V) |
| Pin 39 | I/O β User I/O pin (bank 2) |
| Pin 40 | I/O β User I/O pin (bank 2) |
| Pin 41 | I/O β User I/O pin (bank 2) |
| Pin 42 | I/O β User I/O pin (bank 2) |
| Pin 43 | GND β Ground |
| Pin 44 | I/O β User I/O pin (bank 2) |
| Pin 45 | I/O β User I/O pin (bank 2) |
| Pin 46 | I/O β User I/O pin (bank 2) |
| Pin 47 | I/O β User I/O pin (bank 2) |
| Pin 48 | VCCIO β I/O supply voltage |
| Pin 49 | I/O β User I/O pin (bank 2) |
| Pin 50 | I/O β User I/O pin (bank 2) |
| Pin 51 | I/O β User I/O pin (bank 2) |
| Pin 52 | I/O β User I/O pin (bank 2) |
| Pin 53 | I/O β User I/O pin (bank 2) |
| Pin 54 | GND β Ground |
| Pin 55 | I/O β User I/O pin (bank 3) |
| Pin 56 | I/O β User I/O pin (bank 3) |
| Pin 57 | I/O β User I/O pin (bank 3) |
| Pin 58 | I/O β User I/O pin (bank 3) |
| Pin 59 | VCCINT β Core supply voltage (5V) |
| Pin 60 | I/O β User I/O pin (bank 3) |
| Pin 61 | I/O β User I/O pin (bank 3) |
| Pin 62 | I/O β User I/O pin (bank 3) |
| Pin 63 | I/O β User I/O pin (bank 3) |
| Pin 64 | GND β Ground |
| Pin 65 | I/O β User I/O pin (bank 3) |
| Pin 66 | I/O β User I/O pin (bank 3) |
| Pin 67 | I/O β User I/O pin (bank 3) |
| Pin 68 | I/O β User I/O pin (bank 3) |
| Pin 69 | I/O β User I/O pin (bank 3) |
| Pin 70 | VCCIO β I/O supply voltage |
| Pin 71 | I/O β User I/O pin (bank 3) |
| Pin 72 | I/O β User I/O pin (bank 3) |
| Pin 73 | I/O β User I/O pin (bank 3) |
| Pin 74 | I/O β User I/O pin (bank 3) |
| Pin 75 | GND β Ground |
| Pin 76 | I/O β User I/O pin (bank 4) |
| Pin 77 | I/O β User I/O pin (bank 4) |
| Pin 78 | I/O β User I/O pin (bank 4) |
| Pin 79 | I/O β User I/O pin (bank 4) |
| Pin 80 | I/O β User I/O pin (bank 4) |
| Pin 81 | VCCINT β Core supply voltage (5V) |
| Pin 82 | I/O β User I/O pin (bank 4) |
| Pin 83 | I/O β User I/O pin (bank 4) |
| Pin 84 | I/O β User I/O pin (bank 4) |
| Pin 85 | I/O β User I/O pin (bank 4) |
| Pin 86 | GND β Ground |
| Pin 87 | I/O β User I/O pin (bank 4) |
| Pin 88 | I/O β User I/O pin (bank 4) |
| Pin 89 | I/O β User I/O pin (bank 4) |
| Pin 90 | I/O β User I/O pin (bank 4) |
| Pin 91 | I/O β User I/O pin (bank 4) |
| Pin 92 | VCCIO β I/O supply voltage |
| Pin 93 | I/O β User I/O pin (bank 4) |
| Pin 94 | I/O β User I/O pin (bank 4) |
| Pin 95 | I/O β User I/O pin (bank 4) |
| Pin 96 | I/O β User I/O pin (bank 4) |
| Pin 97 | GND β Ground |
| Pin 98 | I/O β User I/O pin (bank 5) |
| Pin 99 | I/O β User I/O pin (bank 5) |
| Pin 100 | I/O β User I/O pin (bank 5) |
| Pin 101 | I/O β User I/O pin (bank 5) |
| Pin 102 | VCCINT β Core supply voltage (5V) |
| Pin 103 | I/O β User I/O pin (bank 5) |
| Pin 104 | I/O β User I/O pin (bank 5) |
| Pin 105 | I/O β User I/O pin (bank 5) |
| Pin 106 | I/O β User I/O pin (bank 5) |
| Pin 107 | GND β Ground |
| Pin 108 | I/O β User I/O pin (bank 5) |
| Pin 109 | I/O β User I/O pin (bank 5) |
| Pin 110 | I/O β User I/O pin (bank 5) |
| Pin 111 | I/O β User I/O pin (bank 5) |
| Pin 112 | I/O β User I/O pin (bank 5) |
| Pin 113 | VCCIO β I/O supply voltage |
| Pin 114 | I/O β User I/O pin (bank 5) |
| Pin 115 | I/O β User I/O pin (bank 5) |
| Pin 116 | I/O β User I/O pin (bank 5) |
| Pin 117 | I/O β User I/O pin (bank 5) |
| Pin 118 | GND β Ground |
| Pin 119 | I/O β User I/O pin (bank 6) |
| Pin 120 | I/O β User I/O pin (bank 6) |
| Pin 121 | I/O β User I/O pin (bank 6) |
| Pin 122 | I/O β User I/O pin (bank 6) |
| Pin 123 | VCCINT β Core supply voltage (5V) |
| Pin 124 | I/O β User I/O pin (bank 6) |
| Pin 125 | I/O β User I/O pin (bank 6) |
| Pin 126 | I/O β User I/O pin (bank 6) |
| Pin 127 | I/O β User I/O pin (bank 6) |
| Pin 128 | GND β Ground |
| Pin 129 | I/O β User I/O pin (bank 6) |
| Pin 130 | I/O β User I/O pin (bank 6) |
| Pin 131 | I/O β User I/O pin (bank 6) |
| Pin 132 | I/O β User I/O pin (bank 6) |
| Pin 133 | I/O β User I/O pin (bank 6) |
| Pin 134 | VCCIO β I/O supply voltage |
| Pin 135 | I/O β User I/O pin (bank 6) |
| Pin 136 | I/O β User I/O pin (bank 6) |
| Pin 137 | I/O β User I/O pin (bank 6) |
| Pin 138 | I/O β User I/O pin (bank 6) |
| Pin 139 | GND β Ground |
| Pin 140 | I/O β User I/O pin (bank 7) |
| Pin 141 | I/O β User I/O pin (bank 7) |
| Pin 142 | I/O β User I/O pin (bank 7) |
| Pin 143 | I/O β User I/O pin (bank 7) |
| Pin 144 | VCCINT β Core supply voltage (5V) |
| Pin 145 | I/O β User I/O pin (bank 7) |
| Pin 146 | I/O β User I/O pin (bank 7) |
| Pin 147 | I/O β User I/O pin (bank 7) |
| Pin 148 | I/O β User I/O pin (bank 7) |
| Pin 149 | GND β Ground |
| Pin 150 | I/O β User I/O pin (bank 7) |
| Pin 151 | I/O β User I/O pin (bank 7) |
| Pin 152 | I/O β User I/O pin (bank 7) |
| Pin 153 | I/O β User I/O pin (bank 7) |
| Pin 154 | VCCIO β I/O supply voltage |
| Pin 155 | I/O β User I/O pin (bank 7) |
| Pin 156 | I/O β User I/O pin (bank 7) |
| Pin 157 | I/O β User I/O pin (bank 7) |
| Pin 158 | I/O β User I/O pin (bank 7) |
| Pin 159 | GND β Ground |
| Pin 160 | I/O β User I/O pin (bank 8) |
| Pin 161 | I/O β User I/O pin (bank 8) |
| Pin 162 | I/O β User I/O pin (bank 8) |
| Pin 163 | VCCINT β Core supply voltage (5V) |
| Pin 164 | I/O β User I/O pin (bank 8) |
| Pin 165 | I/O β User I/O pin (bank 8) |
| Pin 166 | I/O β User I/O pin (bank 8) |
| Pin 167 | GND β Ground |
| Pin 168 | I/O β User I/O pin (bank 8) |
| Pin 169 | I/O β User I/O pin (bank 8) |
| Pin 170 | I/O β User I/O pin (bank 8) |
| Pin 171 | I/O β User I/O pin (bank 8) |
| Pin 172 | I/O β User I/O pin (bank 8) |
| Pin 173 | VCCIO β I/O supply voltage |
| Pin 174 | I/O β User I/O pin (bank 8) |
| Pin 175 | I/O β User I/O pin (bank 8) |
| Pin 176 | I/O β User I/O pin (bank 8) |
| Pin 177 | I/O β User I/O pin (bank 8) |
| Pin 178 | GND β Ground |
| Pin 179 | MSEL0 β Configuration mode select 0 |
| Pin 180 | MSEL1 β Configuration mode select 1 |
| Pin 181 | nSTATUS β Configuration status (open-drain) |
| Pin 182 | nCONFIG β Configuration start (active-low) |
| Pin 183 | DCLK β Configuration clock |
| Pin 184 | DATA0 β Configuration data input |
| Pin 185 | CONF_DONE β Configuration complete (open-drain) |
| Pin 186 | TDI β JTAG test data in |
| Pin 187 | TDO β JTAG test data out |
| Pin 188 | TMS β JTAG test mode select |
| Pin 189 | TCK β JTAG test clock |
| Pin 190 | TRST β JTAG test reset (active-low) |
| Pin 191 | VCCINT β Core supply voltage (5V) |
| Pin 192 | GND β Ground |
| Pin 193 | I/O β User I/O pin (bank 1) |
| Pin 194 | I/O β User I/O pin (bank 1) |
| Pin 195 | I/O β User I/O pin (bank 1) |
| Pin 196 | I/O β User I/O pin (bank 1) |
| Pin 197 | I/O β User I/O pin (bank 1) |
| Pin 198 | VCCIO β I/O supply voltage |
| Pin 199 | I/O β User I/O pin (bank 1) |
| Pin 200 | I/O β User I/O pin (bank 1) |
| Pin 201 | I/O β User I/O pin (bank 1) |
| Pin 202 | I/O β User I/O pin (bank 1) |
| Pin 203 | I/O β User I/O pin (bank 1) |
| Pin 204 | GND β Ground |
| Pin 205 | I/O β User I/O pin (bank 1) |
| Pin 206 | I/O β User I/O pin (bank 1) |
| Pin 207 | I/O β User I/O pin (bank 1) |
| Pin 208 | I/O β User I/O pin (bank 1) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPF8820ARI208-1 is suitable for 6 applications: Glue Logic between Microprocessor and Peripherals, Legacy PCI / ISA / VME Bus Interface Cards, Telecommunications Line-Card Glue Logic, Industrial Control State Machines, ASIC Prototype and Emulation, Legacy Avionics and Defense Sustainment.
Glue Logic between Microprocessor and Peripherals
The EPF8820ARI208-1's 672 logic elements and 152 user I/O pins make it well suited to integrate scattered 74-series glue logic between a host CPU and its peripherals. Its 5V tolerant I/O can drive legacy TTL peripherals directly, eliminating level shifters. Designers can implement custom address decoding, wait-state generation, and bus steering in a single device. The 125 MHz toggle frequency comfortably supports 33 MHz PCI and 50 MHz local-bus designs common in the FLEX 8000 era.
Recommended
Legacy PCI / ISA / VME Bus Interface Cards
Telecom and industrial line cards built around the EPF8820ARI208-1 use its deterministic FastTrack interconnect to implement custom bus-mastering logic for legacy parallel buses. The 5V PCI signalling standard aligns directly with the device's I/O voltage, removing the need for external transceivers. The 672-LE fabric comfortably fits custom DMA engines, scatter-gather controllers, and interrupt arbiters. Industrial temperature grade (-40 Β°C to +85 Β°C) supports outdoor telecom enclosures and factory-floor installations.
Recommended
Telecommunications Line-Card Glue Logic
In telecom line cards, the EPF8820ARI208-1 integrates TDM framers, HDLC controllers, and per-channel state machines that previously required dozens of discrete MSI chips. Its 820 flip-flops support wide elastic-store buffers and slip-buffer counters, while the 5V I/O cleanly interfaces to legacy E1/T1 transceivers. The industrial temperature range suits central-office environments. Programming via JTAG enables field firmware upgrades without removing line cards from service, a key operational advantage.
Recommended
Industrial Control State Machines
PLC and motor-drive controller boards leverage the EPF8820ARI208-1 for custom state machines that combine safety interlocks, sequencing logic, and PWM generation. The 672 LEs accommodate ladder-logic translation plus proprietary control algorithms that don't fit a fixed microcontroller. Industrial temperature grade handles factory-floor thermal stress. Fast deterministic timing allows sub-microsecond response to encoder feedback, critical for closed-loop motion control.
Recommended
ASIC Prototype and Emulation
Before committing an ASIC design to silicon, design teams load the RTL into an EPF8820ARI208-1 to validate system timing and firmware interaction. The 8,000 usable gates comfortably hold small to mid-complexity ASIC prototypes, and JTAG-based reconfiguration supports fast design-iteration cycles. Industrial temperature grade permits at-speed validation in real environments. Multiple FPGAs can be cascaded via JTAG to emulate larger ASICs.
Recommended
Legacy Avionics and Defense Sustainment
Long-lifecycle defense and avionics programs continue to specify the EPF8820ARI208-1 because their certification baselines were locked against this FLEX 8000 silicon. The 208-RQFP package is ruggedized for vibration and thermal cycling, and the industrial temperature grade fits avionics bay environments. Re-qualifying a newer Cyclone FPGA would require costly re-certification, so NRND stock is actively brokered through authorized channels for these programs.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ARI208-1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820ARC208-4 | EPF8820ARC208-3 | EPF8820ARC208-2 | EPF8820ARC208-4N | EPF8636ARC208-4 |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 208-RQFP | 208-RQFP (same) | 208-RQFP (same) | 208-RQFP (same) | 208-RQFP (same) | 208-RQFP (same) |
| Logic Elements | 672 | 672 | 672 | 672 | 672 | 576 (~14% lower) |
| Speed Grade | -1 (fastest) | -4 | -3 | -2 | -4 | -4 |
| Operating Temperature | Industrial -40 Β°C to +85 Β°C | Commercial 0 Β°C to +70 Β°C | Commercial 0 Β°C to +70 Β°C | Commercial 0 Β°C to +70 Β°C | Commercial 0 Β°C to +70 Β°C | Commercial 0 Β°C to +70 Β°C |
| Supply Voltage | 5V (4.5V to 5.5V) | 5V (same) | 5V (same) | 5V (same) | 5V (same) | 5V (same) |
| Maximum User I/O | 152 | 152 | 152 | 152 | 152 | 136 (~11% lower) |
| RoHS / Lead-Free | [DATA_NEEDED] | Non-RoHS | Non-RoHS | Non-RoHS | Lead-free (N suffix) | Non-RoHS |
Key Differentiators
- Industrial temperature grade over commercial-speed variants (vs EPF8820ARC208-4)
- Fastest speed grade in the FLEX 8000 EPF8820 family (vs EPF8820ARC208-3)
- Higher logic density than EPF8636 in same footprint (vs EPF8636ARC208-4)
Design Notes
The EPF8820ARI208-1 operates from a 5V nominal core supply (4.5V to 5.5V) and supports configurable 3.3V or 5V I/O banks. Decouple every VCCINT pin with a 0.1 Β΅F ceramic capacitor placed within 5 mm of the package pin, plus a bulk 10 Β΅F tantalum near the FPGA. I/O banks should each have their own 0.1 Β΅F + 10 Β΅F decoupling pair. Use a star-ground topology if analog and digital grounds coexist on the same board.
The 208-RQFP package has 0.5 mm pitch leads and 1.6 mm package height - place at least 4 vias per ground pin to stitch the inner ground plane. Route all configuration signals (DCLK, DATA0, nCONFIG, nSTATUS, CONF_DONE) as short as possible and keep them away from switching I/O. The JTAG chain should include 10 kΞ© pull-ups on TDI/TMS to keep the chain stable in noisy environments.
FLEX 8000 is SRAM-based and loses its configuration at every power-down. Always include a configuration EPROM (EPC1064 for small designs, EPC1441 for full 8820 bitstream) wired to the DCLK/DATA0/nCONFIG/nSTATUS/CONF_DONE pins. Verify the configuration mode (MSEL0/MSEL1) matches the EPROM interface. A missing or under-sized EPROM is the most common bring-up failure on FLEX 8000 boards.
Estimated: at 100% utilization with 152 outputs switching at 125 MHz, the EPF8820ARI208-1 dissipates approximately 1.5W. The RQFP-208 package has a ΞΈJA around 28 Β°C/W (per Altera FLEX 8000 datasheet), so junction temperature rises ~42 Β°C above ambient - acceptable for industrial 85 Β°C operation with normal airflow. Provide 100 LFM airflow if ambient exceeds 50 Β°C.
Compliance Information
Compliance status not provided in the verified web data; the part is a pre-2010 FLEX 8000 family member and may be non-RoHS depending on date code. Marked [DATA_NEEDED] in specs. The 'N' suffix variants (e.g. EPF8820ARC208-4N) are documented as lead-free.
