EPF8820ARI208-4 - FLEX 8000 FPGA, 8K Gates, 5V, 208-RQFP | Intel / Altera
MPN: EPF8820ARI208-4 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for EPF8820ARI208-4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EPF8820ARI208-4 Maximum Ratings & Electrical Characteristics
| 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 |
| Package | 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 |
EPF8820ARI208-4 Pin Configuration
| Pin 1 | I/O — User I/O pin (bank 1) |
| Pin 2 | I/O — User I/O pin (bank 1) |
| Pin 3 | VCCINT — Internal core supply 5V |
| Pin 4 | I/O — User I/O pin (bank 1) |
| Pin 5 | GND — Ground |
| Pin 6 | nCONFIG — Configuration control (active low) |
| Pin 7 | nSTATUS — Configuration status (active low) |
| Pin 8 | CONF_DONE — Configuration complete indicator |
| Pin 9 | DCLK — Configuration clock input |
| Pin 10 | DATA0 — Configuration data input |
| Pin 11 | TCK — JTAG test clock |
| Pin 12 | TMS — JTAG test mode select |
| Pin 13 | TDI — JTAG test data in |
| Pin 14 | TDO — JTAG test data out |
| Pin 15 | CLK0 — Dedicated clock input 0 |
| Pin 16 | CLK1 — Dedicated clock input 1 |
| Pin 17 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 18 | I/O — User I/O pin (bank 2) |
| Pin 19 | I/O — User I/O pin (bank 2) |
| Pin 20 | I/O — User I/O pin (bank 2) |
| Pin 21 | GND — Ground |
| Pin 22 | I/O — User I/O pin (bank 2) |
| Pin 23 | I/O — User I/O pin (bank 2) |
| Pin 24 | VCCINT — Internal core supply 5V |
| Pin 25 | I/O — User I/O pin (bank 3) |
| Pin 26 | I/O — User I/O pin (bank 3) |
| Pin 27 | I/O — User I/O pin (bank 3) |
| Pin 28 | GND — Ground |
| Pin 29 | I/O — User I/O pin (bank 3) |
| Pin 30 | I/O — User I/O pin (bank 3) |
| Pin 31 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 32 | I/O — User I/O pin (bank 3) |
| Pin 33 | I/O — User I/O pin (bank 4) |
| Pin 34 | I/O — User I/O pin (bank 4) |
| Pin 35 | GND — Ground |
| Pin 36 | CLK2 — Dedicated clock input 2 |
| Pin 37 | CLK3 — Dedicated clock input 3 |
| Pin 38 | I/O — User I/O pin (bank 4) |
| Pin 39 | I/O — User I/O pin (bank 4) |
| Pin 40 | VCCINT — Internal core supply 5V |
| Pin 41 | I/O — User I/O pin (bank 4) |
| Pin 42 | I/O — User I/O pin (bank 4) |
| Pin 43 | I/O — User I/O pin (bank 5) |
| Pin 44 | GND — Ground |
| Pin 45 | I/O — User I/O pin (bank 5) |
| Pin 46 | I/O — User I/O pin (bank 5) |
| Pin 47 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 48 | I/O — User I/O pin (bank 5) |
| Pin 49 | I/O — User I/O pin (bank 5) |
| Pin 50 | I/O — User I/O pin (bank 6) |
| Pin 51 | GND — Ground |
| Pin 52 | I/O — User I/O pin (bank 6) |
| Pin 53 | I/O — User I/O pin (bank 6) |
| Pin 54 | VCCINT — Internal core supply 5V |
| Pin 55 | I/O — User I/O pin (bank 6) |
| Pin 56 | I/O — User I/O pin (bank 6) |
| Pin 57 | I/O — User I/O pin (bank 7) |
| Pin 58 | GND — Ground |
| Pin 59 | I/O — User I/O pin (bank 7) |
| Pin 60 | I/O — User I/O pin (bank 7) |
| Pin 61 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 62 | I/O — User I/O pin (bank 7) |
| Pin 63 | I/O — User I/O pin (bank 7) |
| Pin 64 | I/O — User I/O pin (bank 8) |
| Pin 65 | GND — Ground |
| Pin 66 | I/O — User I/O pin (bank 8) |
| Pin 67 | I/O — User I/O pin (bank 8) |
| Pin 68 | VCCINT — Internal core supply 5V |
| Pin 69 | I/O — User I/O pin (bank 8) |
| Pin 70 | I/O — User I/O pin (bank 8) |
| Pin 71 | I/O — User I/O pin (bank 1) |
| Pin 72 | GND — Ground |
| Pin 73 | I/O — User I/O pin (bank 1) |
| Pin 74 | I/O — User I/O pin (bank 1) |
| Pin 75 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 76 | I/O — User I/O pin (bank 1) |
| Pin 77 | I/O — User I/O pin (bank 2) |
| Pin 78 | I/O — User I/O pin (bank 2) |
| Pin 79 | GND — Ground |
| Pin 80 | I/O — User I/O pin (bank 2) |
| Pin 81 | I/O — User I/O pin (bank 2) |
| Pin 82 | VCCINT — Internal core supply 5V |
| Pin 83 | I/O — User I/O pin (bank 2) |
| Pin 84 | I/O — User I/O pin (bank 3) |
| Pin 85 | I/O — User I/O pin (bank 3) |
| Pin 86 | GND — Ground |
| Pin 87 | I/O — User I/O pin (bank 3) |
| Pin 88 | I/O — User I/O pin (bank 3) |
| Pin 89 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 90 | I/O — User I/O pin (bank 3) |
| Pin 91 | I/O — User I/O pin (bank 4) |
| Pin 92 | I/O — User I/O pin (bank 4) |
| Pin 93 | GND — Ground |
| Pin 94 | I/O — User I/O pin (bank 4) |
| Pin 95 | I/O — User I/O pin (bank 4) |
| Pin 96 | VCCINT — Internal core supply 5V |
| Pin 97 | I/O — User I/O pin (bank 4) |
| Pin 98 | I/O — User I/O pin (bank 5) |
| Pin 99 | I/O — User I/O pin (bank 5) |
| Pin 100 | GND — Ground |
| Pin 101 | I/O — User I/O pin (bank 5) |
| Pin 102 | I/O — User I/O pin (bank 5) |
| Pin 103 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 104 | I/O — User I/O pin (bank 5) |
| Pin 105 | I/O — User I/O pin (bank 6) |
| Pin 106 | I/O — User I/O pin (bank 6) |
| Pin 107 | GND — Ground |
| Pin 108 | I/O — User I/O pin (bank 6) |
| Pin 109 | I/O — User I/O pin (bank 6) |
| Pin 110 | VCCINT — Internal core supply 5V |
| Pin 111 | I/O — User I/O pin (bank 6) |
| Pin 112 | I/O — User I/O pin (bank 7) |
| Pin 113 | I/O — User I/O pin (bank 7) |
| Pin 114 | GND — Ground |
| Pin 115 | I/O — User I/O pin (bank 7) |
| Pin 116 | I/O — User I/O pin (bank 7) |
| Pin 117 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 118 | I/O — User I/O pin (bank 7) |
| Pin 119 | I/O — User I/O pin (bank 8) |
| Pin 120 | I/O — User I/O pin (bank 8) |
| Pin 121 | GND — Ground |
| Pin 122 | I/O — User I/O pin (bank 8) |
| Pin 123 | I/O — User I/O pin (bank 8) |
| Pin 124 | VCCINT — Internal core supply 5V |
| Pin 125 | I/O — User I/O pin (bank 8) |
| Pin 126 | I/O — User I/O pin (bank 1) |
| Pin 127 | I/O — User I/O pin (bank 1) |
| Pin 128 | GND — Ground |
| Pin 129 | I/O — User I/O pin (bank 1) |
| Pin 130 | I/O — User I/O pin (bank 1) |
| Pin 131 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 132 | I/O — User I/O pin (bank 1) |
| Pin 133 | I/O — User I/O pin (bank 2) |
| Pin 134 | I/O — User I/O pin (bank 2) |
| Pin 135 | GND — Ground |
| Pin 136 | I/O — User I/O pin (bank 2) |
| Pin 137 | I/O — User I/O pin (bank 2) |
| Pin 138 | VCCINT — Internal core supply 5V |
| Pin 139 | I/O — User I/O pin (bank 2) |
| Pin 140 | I/O — User I/O pin (bank 3) |
| Pin 141 | I/O — User I/O pin (bank 3) |
| Pin 142 | GND — Ground |
| Pin 143 | I/O — User I/O pin (bank 3) |
| Pin 144 | I/O — User I/O pin (bank 3) |
| Pin 145 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 146 | I/O — User I/O pin (bank 3) |
| Pin 147 | I/O — User I/O pin (bank 4) |
| Pin 148 | I/O — User I/O pin (bank 4) |
| Pin 149 | GND — Ground |
| Pin 150 | I/O — User I/O pin (bank 4) |
| Pin 151 | I/O — User I/O pin (bank 4) |
| Pin 152 | VCCINT — Internal core supply 5V |
| Pin 153 | I/O — User I/O pin (bank 4) |
| Pin 154 | I/O — User I/O pin (bank 5) |
| Pin 155 | I/O — User I/O pin (bank 5) |
| Pin 156 | GND — Ground |
| Pin 157 | I/O — User I/O pin (bank 5) |
| Pin 158 | I/O — User I/O pin (bank 5) |
| Pin 159 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 160 | I/O — User I/O pin (bank 5) |
| Pin 161 | I/O — User I/O pin (bank 6) |
| Pin 162 | I/O — User I/O pin (bank 6) |
| Pin 163 | GND — Ground |
| Pin 164 | I/O — User I/O pin (bank 6) |
| Pin 165 | I/O — User I/O pin (bank 6) |
| Pin 166 | VCCINT — Internal core supply 5V |
| Pin 167 | I/O — User I/O pin (bank 6) |
| Pin 168 | I/O — User I/O pin (bank 7) |
| Pin 169 | I/O — User I/O pin (bank 7) |
| Pin 170 | GND — Ground |
| Pin 171 | I/O — User I/O pin (bank 7) |
| Pin 172 | I/O — User I/O pin (bank 7) |
| Pin 173 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 174 | I/O — User I/O pin (bank 7) |
| Pin 175 | I/O — User I/O pin (bank 8) |
| Pin 176 | I/O — User I/O pin (bank 8) |
| Pin 177 | GND — Ground |
| Pin 178 | I/O — User I/O pin (bank 8) |
| Pin 179 | I/O — User I/O pin (bank 8) |
| Pin 180 | VCCINT — Internal core supply 5V |
| Pin 181 | I/O — User I/O pin (bank 8) |
| Pin 182 | I/O — User I/O pin (bank 1) |
| Pin 183 | I/O — User I/O pin (bank 1) |
| Pin 184 | GND — Ground |
| Pin 185 | I/O — User I/O pin (bank 1) |
| Pin 186 | I/O — User I/O pin (bank 1) |
| Pin 187 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 188 | I/O — User I/O pin (bank 1) |
| Pin 189 | I/O — User I/O pin (bank 2) |
| Pin 190 | I/O — User I/O pin (bank 2) |
| Pin 191 | GND — Ground |
| Pin 192 | I/O — User I/O pin (bank 2) |
| Pin 193 | I/O — User I/O pin (bank 2) |
| Pin 194 | VCCINT — Internal core supply 5V |
| Pin 195 | I/O — User I/O pin (bank 2) |
| Pin 196 | I/O — User I/O pin (bank 3) |
| Pin 197 | I/O — User I/O pin (bank 3) |
| Pin 198 | GND — Ground |
| Pin 199 | I/O — User I/O pin (bank 3) |
| Pin 200 | I/O — User I/O pin (bank 3) |
| Pin 201 | VCCIO — I/O bank supply (3.3V or 5V) |
| Pin 202 | I/O — User I/O pin (bank 3) |
| Pin 203 | I/O — User I/O pin (bank 4) |
| Pin 204 | I/O — User I/O pin (bank 4) |
| Pin 205 | GND — Ground |
| Pin 206 | I/O — User I/O pin (bank 4) |
| Pin 207 | I/O — User I/O pin (bank 4) |
| Pin 208 | VCCINT — Internal core supply 5V |
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
EPF8820ARI208-4 is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ARI208-4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- 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)
Design Notes
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.
Compliance Information
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).
