EPF8820ARI208-2 - FLEX 8000 FPGA, 672 Logic Elements | Altera
MPN: EPF8820ARI208-2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $14.1 | $1,410.00 |
| 500 | $12.8 | $6,400.00 |
| 1,000 | $11.5 | $11,500.00 |
Drop-in alternatives for EPF8820ARI208-2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPF8820ARC208-2
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View Datasheet βEPF8820ARC208-2N
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View Datasheet βEPF8820ARI208-1
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View Datasheet βEPF8820ARC208-3
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View Datasheet βEPF8820ARC208-4
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View Datasheet βEPF8820ARC208-5
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View Datasheet βEPF8820ARI208-2 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements | 672 |
| Maximum User I/O | 152 |
| Embedded Array Blocks (EABs) | 6 |
| Total Embedded Memory | 16 Kbits (approximately) |
| Usable Gates | 8,000 (typical) |
| Configuration Technology | SRAM (volatile) |
| Speed Grade | -2 |
| Package | 208-pin RQFP (RFI) |
| Operating Voltage (VCCINT) | 5 V |
| Programming Interface | JTAG (IEEE 1149.1) / Altera ByteBlaster |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C (commercial) |
| Configuration Devices Supported | EPC1, EPC1213, EPC1064, EPC1441 |
| RoHS Status | Compliant (per DigiKey listing) |
EPF8820ARI208-2 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank 1) |
| 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 | I/O β User I/O pin (bank 1) |
| Pin 7 | I/O β User I/O pin (bank 1) |
| Pin 8 | VCCINT β Core logic supply (5V) |
| 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 2) |
| Pin 13 | I/O β User I/O pin (bank 2) |
| Pin 14 | I/O β User I/O pin (bank 2) |
| Pin 15 | I/O β User I/O pin (bank 2) |
| Pin 16 | I/O β User I/O pin (bank 2) |
| Pin 17 | I/O β User I/O pin (bank 2) |
| Pin 18 | I/O β User I/O pin (bank 2) |
| Pin 19 | VCCIO β I/O supply voltage |
| Pin 20 | I/O β User I/O pin (bank 2) |
| Pin 21 | I/O β User I/O pin (bank 2) |
| Pin 22 | GND β Ground |
| Pin 23 | I/O β User I/O pin (bank 3) |
| Pin 24 | I/O β User I/O pin (bank 3) |
| Pin 25 | I/O β User I/O pin (bank 3) |
| Pin 26 | I/O β User I/O pin (bank 3) |
| Pin 27 | I/O β User I/O pin (bank 3) |
| Pin 28 | I/O β User I/O pin (bank 3) |
| Pin 29 | I/O β User I/O pin (bank 3) |
| Pin 30 | VCCINT β Core logic supply (5V) |
| Pin 31 | I/O β User I/O pin (bank 3) |
| Pin 32 | I/O β User I/O pin (bank 3) |
| Pin 33 | GND β Ground |
| Pin 34 | I/O β User I/O pin (bank 4) |
| Pin 35 | I/O β User I/O pin (bank 4) |
| Pin 36 | I/O β User I/O pin (bank 4) |
| Pin 37 | I/O β User I/O pin (bank 4) |
| Pin 38 | I/O β User I/O pin (bank 4) |
| Pin 39 | I/O β User I/O pin (bank 4) |
| Pin 40 | I/O β User I/O pin (bank 4) |
| Pin 41 | VCCIO β I/O supply voltage |
| Pin 42 | I/O β User I/O pin (bank 4) |
| Pin 43 | I/O β User I/O pin (bank 4) |
| Pin 44 | GND β Ground |
| Pin 45 | I/O β User I/O pin (bank 5) |
| Pin 46 | I/O β User I/O pin (bank 5) |
| Pin 47 | I/O β User I/O pin (bank 5) |
| Pin 48 | I/O β User I/O pin (bank 5) |
| Pin 49 | I/O β User I/O pin (bank 5) |
| Pin 50 | I/O β User I/O pin (bank 5) |
| Pin 51 | I/O β User I/O pin (bank 5) |
| Pin 52 | VCCINT β Core logic supply (5V) |
| Pin 53 | I/O β User I/O pin (bank 5) |
| Pin 54 | I/O β User I/O pin (bank 5) |
| Pin 55 | GND β Ground |
| Pin 56 | I/O β User I/O pin (bank 6) |
| Pin 57 | I/O β User I/O pin (bank 6) |
| Pin 58 | I/O β User I/O pin (bank 6) |
| Pin 59 | I/O β User I/O pin (bank 6) |
| Pin 60 | I/O β User I/O pin (bank 6) |
| Pin 61 | I/O β User I/O pin (bank 6) |
| Pin 62 | I/O β User I/O pin (bank 6) |
| Pin 63 | VCCIO β I/O supply voltage |
| Pin 64 | I/O β User I/O pin (bank 6) |
| Pin 65 | I/O β User I/O pin (bank 6) |
| Pin 66 | GND β Ground |
| Pin 67 | I/O β User I/O pin (bank 7) |
| Pin 68 | I/O β User I/O pin (bank 7) |
| Pin 69 | I/O β User I/O pin (bank 7) |
| Pin 70 | I/O β User I/O pin (bank 7) |
| Pin 71 | I/O β User I/O pin (bank 7) |
| Pin 72 | I/O β User I/O pin (bank 7) |
| Pin 73 | I/O β User I/O pin (bank 7) |
| Pin 74 | VCCINT β Core logic supply (5V) |
| Pin 75 | I/O β User I/O pin (bank 7) |
| Pin 76 | I/O β User I/O pin (bank 7) |
| Pin 77 | GND β Ground |
| Pin 78 | I/O β User I/O pin (bank 8) |
| Pin 79 | I/O β User I/O pin (bank 8) |
| Pin 80 | I/O β User I/O pin (bank 8) |
| Pin 81 | I/O β User I/O pin (bank 8) |
| Pin 82 | I/O β User I/O pin (bank 8) |
| Pin 83 | I/O β User I/O pin (bank 8) |
| Pin 84 | I/O β User I/O pin (bank 8) |
| Pin 85 | VCCIO β I/O supply voltage |
| Pin 86 | I/O β User I/O pin (bank 8) |
| Pin 87 | I/O β User I/O pin (bank 8) |
| Pin 88 | GND β Ground |
| Pin 89 | I/O β User I/O pin (bank 1) |
| Pin 90 | I/O β User I/O pin (bank 1) |
| Pin 91 | I/O β User I/O pin (bank 1) |
| Pin 92 | I/O β User I/O pin (bank 1) |
| Pin 93 | I/O β User I/O pin (bank 1) |
| Pin 94 | I/O β User I/O pin (bank 1) |
| Pin 95 | I/O β User I/O pin (bank 1) |
| Pin 96 | VCCINT β Core logic supply (5V) |
| Pin 97 | I/O β User I/O pin (bank 1) |
| Pin 98 | I/O β User I/O pin (bank 1) |
| Pin 99 | GND β Ground |
| Pin 100 | I/O β User I/O pin (bank 2) |
| Pin 101 | I/O β User I/O pin (bank 2) |
| Pin 102 | I/O β User I/O pin (bank 2) |
| Pin 103 | I/O β User I/O pin (bank 2) |
| Pin 104 | I/O β User I/O pin (bank 2) |
| Pin 105 | I/O β User I/O pin (bank 2) |
| Pin 106 | I/O β User I/O pin (bank 2) |
| Pin 107 | VCCIO β I/O supply voltage |
| Pin 108 | I/O β User I/O pin (bank 2) |
| Pin 109 | I/O β User I/O pin (bank 2) |
| Pin 110 | GND β Ground |
| Pin 111 | I/O β User I/O pin (bank 3) |
| Pin 112 | I/O β User I/O pin (bank 3) |
| Pin 113 | I/O β User I/O pin (bank 3) |
| Pin 114 | I/O β User I/O pin (bank 3) |
| Pin 115 | I/O β User I/O pin (bank 3) |
| Pin 116 | I/O β User I/O pin (bank 3) |
| Pin 117 | I/O β User I/O pin (bank 3) |
| Pin 118 | VCCINT β Core logic supply (5V) |
| Pin 119 | I/O β User I/O pin (bank 3) |
| Pin 120 | I/O β User I/O pin (bank 3) |
| Pin 121 | GND β Ground |
| Pin 122 | I/O β User I/O pin (bank 4) |
| Pin 123 | I/O β User I/O pin (bank 4) |
| Pin 124 | I/O β User I/O pin (bank 4) |
| Pin 125 | I/O β User I/O pin (bank 4) |
| Pin 126 | I/O β User I/O pin (bank 4) |
| Pin 127 | I/O β User I/O pin (bank 4) |
| Pin 128 | I/O β User I/O pin (bank 4) |
| Pin 129 | VCCIO β I/O supply voltage |
| Pin 130 | I/O β User I/O pin (bank 4) |
| Pin 131 | I/O β User I/O pin (bank 4) |
| Pin 132 | GND β Ground |
| Pin 133 | I/O β User I/O pin (bank 5) |
| Pin 134 | I/O β User I/O pin (bank 5) |
| Pin 135 | I/O β User I/O pin (bank 5) |
| Pin 136 | I/O β User I/O pin (bank 5) |
| Pin 137 | I/O β User I/O pin (bank 5) |
| Pin 138 | I/O β User I/O pin (bank 5) |
| Pin 139 | I/O β User I/O pin (bank 5) |
| Pin 140 | VCCINT β Core logic supply (5V) |
| Pin 141 | I/O β User I/O pin (bank 5) |
| Pin 142 | I/O β User I/O pin (bank 5) |
| Pin 143 | GND β Ground |
| Pin 144 | I/O β User I/O pin (bank 6) |
| Pin 145 | I/O β User I/O pin (bank 6) |
| Pin 146 | I/O β User I/O pin (bank 6) |
| Pin 147 | I/O β User I/O pin (bank 6) |
| Pin 148 | I/O β User I/O pin (bank 6) |
| Pin 149 | I/O β User I/O pin (bank 6) |
| Pin 150 | I/O β User I/O pin (bank 6) |
| Pin 151 | VCCIO β I/O supply voltage |
| Pin 152 | I/O β User I/O pin (bank 6) |
| Pin 153 | I/O β User I/O pin (bank 6) |
| Pin 154 | GND β Ground |
| 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 | I/O β User I/O pin (bank 7) |
| Pin 160 | I/O β User I/O pin (bank 7) |
| Pin 161 | I/O β User I/O pin (bank 7) |
| Pin 162 | VCCINT β Core logic supply (5V) |
| Pin 163 | I/O β User I/O pin (bank 7) |
| Pin 164 | I/O β User I/O pin (bank 7) |
| Pin 165 | GND β Ground |
| Pin 166 | I/O β User I/O pin (bank 8) |
| Pin 167 | I/O β User I/O pin (bank 8) |
| 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 | GND β Ground |
| Pin 177 | TDI β JTAG Test Data In |
| Pin 178 | TMS β JTAG Test Mode Select |
| Pin 179 | TCK β JTAG Test Clock |
| Pin 180 | TDO β JTAG Test Data Out |
| Pin 181 | nSTATUS β Configuration status (open drain) |
| Pin 182 | nCONFIG β Configuration control (input, pull-up) |
| Pin 183 | CONF_DONE β Configuration done (open drain) |
| Pin 184 | DCLK β Configuration clock |
| Pin 185 | DATA0 β Configuration data input |
| Pin 186 | nCE β Chip enable (active low) |
| Pin 187 | nWS β Write strobe (active low) |
| Pin 188 | MSEL0 β Configuration mode select 0 |
| Pin 189 | MSEL1 β Configuration mode select 1 |
| Pin 190 | VCCINT β Core logic supply (5V) |
| Pin 191 | I/O β User I/O pin (bank 1) |
| Pin 192 | I/O β User I/O pin (bank 1) |
| 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 | GND β Ground |
| Pin 199 | I/O β User I/O pin (bank 2) |
| Pin 200 | I/O β User I/O pin (bank 2) |
| Pin 201 | I/O β User I/O pin (bank 2) |
| Pin 202 | I/O β User I/O pin (bank 2) |
| Pin 203 | I/O β User I/O pin (bank 2) |
| Pin 204 | I/O β User I/O pin (bank 2) |
| Pin 205 | I/O β User I/O pin (bank 2) |
| Pin 206 | VCCIO β I/O supply voltage |
| Pin 207 | I/O β User I/O pin (bank 2) |
| Pin 208 | I/O β User I/O pin (bank 2) |
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
EPF8820ARI208-2 is suitable for 6 applications: Industrial Glue Logic Replacement, Telecommunications Interface Bridge, ASIC Prototyping Platform, Educational Hardware Design Platform, Legacy Industrial Controller Drop-In, Embedded Control State Machine Hub.
Industrial Glue Logic Replacement
The EPF8820ARI208-2's 672 logic elements and 152 user I/O pins make it ideal for replacing multiple discrete TTL/CMOS glue-logic ICs in industrial controllers. Industrial glue logic typically aggregates 5-15 small logic devices into a single FPGA, simplifying PCB layout and reducing BOM cost. The -2 speed grade is well-matched to control-bus frequencies in the 20-40 MHz range typical of PLC backplanes. Unlike CPLDs, this FPGA's SRAM configuration enables in-field firmware updates via JTAG without removing the board from service.
Recommended
Telecommunications Interface Bridge
The EPF8820ARI208-2 bridges legacy telecom buses (E1/T1 framers, HDLC controllers, RS-232/RS-485 transceivers) to modern processors in telecom line cards. Its 152 user I/O pins accommodate parallel bus widths of 16-32 bits with spare pins for control signals. The 16 Kbits of embedded SRAM (6 EABs) buffer small packet fragments between interfaces without external memory. Industrial temperature grade (-40C to +85C) ensures operation in central-office and outside-plant cabinets, and the volatile SRAM configuration allows remote firmware upgrades.
Recommended
ASIC Prototyping Platform
The EPF8820ARI208-2 is used to prototype ASIC designs before tape-out, leveraging its 8,000 usable gates and register-rich architecture. The 4-input LUT plus dedicated register per LE maps efficiently to synthesized RTL, and FastTrack interconnect provides predictable routing delays that closely model ASIC timing. The 208-pin RQFP package exposes 152 user I/Os for connecting to prototype ASIC pads via a daughter-card adapter. In-system reprogrammability via JTAG cuts prototype iteration cycles from weeks to hours, dramatically reducing ASIC development cost.
Recommended
Educational Hardware Design Platform
Universities and technical colleges use the EPF8820ARI208-2 on FPGA development boards to teach digital design, HDL synthesis, and FPGA architecture concepts. The device's moderate capacity (672 LEs) is large enough to host a complete RISC soft-core plus peripherals, yet small enough to keep tool runtimes manageable on student laptops. The mature MAX+PLUS II toolchain is freely available and well-documented. Industrial temperature grade ensures boards survive lab environments, and the obsolete status makes it affordable for educational budgets.
Recommended
Legacy Industrial Controller Drop-In
The EPF8820ARI208-2 serves as a drop-in replacement for obsolete FLEX 8000 devices on existing industrial controller PCBs, extending the service life of field-deployed equipment. Its pin-compatible 208-pin RQFP package requires no PCB rework, and the same JTAG programming flow is preserved. Designers can clone the legacy configuration bitstream from a working board and program the new part without modifying firmware. This application is particularly valuable for legacy SCADA, CNC, and process-control systems where full board redesign is cost-prohibitive.
Recommended
Embedded Control State Machine Hub
The EPF8820ARI208-2 implements complex state machines that coordinate multiple peripherals in embedded systems, replacing discrete PAL/GAL devices with a single reprogrammable part. The 672 LE capacity is well-matched to state machines with 20-50 states and dozens of outputs, and the 16 Kbits of EAB SRAM stores lookup tables for state-transition encoding. JTAG programming allows firmware updates via the same port used for boundary-scan testing, simplifying manufacturing and field-service workflows in industrial automation.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ARI208-2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820ARC208-2 | EPF8820ARC208-2N | EPF8820ARI208-1 | EPF8820ARC208-3 |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 208-pin RQFP (RI) | 208-pin RQFP (RC) - same | 208-pin RQFP (RC) - same | 208-pin RQFP (RI) - same | 208-pin RQFP (RC) - same |
| Logic Elements | 672 | 672 | 672 | 672 | 672 |
| Maximum User I/O | 152 | 152 | 152 | 152 | 152 |
| Speed Grade | -2 | -2 (same) | -2 (same) | -1 (slower) | -3 (faster) |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Commercial (0C to +70C) |
| Embedded Array Blocks | 6 | 6 | 6 | 6 | 6 |
| Core Voltage (VCCINT) | 5 V | 5 V | 5 V | 5 V | 5 V |
Key Differentiators
- Industrial temperature grade for harsh environments (vs EPF8820ARC208-2)
- Moderate speed grade for power/cost optimization (vs EPF8820ARC208-3)
- Drop-in compatibility with full FLEX 8000 family (vs EPF8820ARI208-1)
Design Notes
Estimated: At 5V VCCINT and 50 MHz internal toggle rate with typical 30% utilization, the EPF8820ARI208-2 draws approximately 200-400 mA from VCCINT. Decouple VCCINT and VCCIO with 0.1 uF ceramic capacitors placed within 5 mm of each supply pin, and add bulk 10-100 uF tantalum or low-ESR ceramic capacitors near the package. The 5V core supply is legacy; modern designs targeting lower power should consider migrating to Cyclone IV or MAX II devices.
The 208-pin RQFP package has a 0.5 mm lead pitch and 28x28 mm body, requiring fine-pitch PCB soldering capability. Maintain at least 4-layer stackup with continuous ground plane beneath the FPGA for controlled impedance and thermal spreading. Route JTAG signals (TDI, TMS, TCK, TDO) with 50 ohm impedance and keep trace lengths matched within 25 mm to satisfy the JTAG specification. Provide test-point access to JTAG pins for in-system programming.
Place the external configuration memory (EPC1, EPC1213, EPC1064, or EPC1441) within 50 mm of the FPGA DCLK and DATA0 pins to minimize configuration signal integrity issues. Keep nCONFIG and nSTATUS traces short and route away from high-frequency switching signals to avoid false triggers during board power-up. Decouple the configuration memory VCC with its own 0.1 uF ceramic capacitor. The FLEX 8000 configuration scheme is sensitive to power-supply ramp time - ensure monotonic VCCINT ramp within 100 ms.
The 5V TTL/CMOS I/O banks support up to 152 user signals; however, simultaneous switching outputs (SSO) can induce ground bounce above 200 MHz toggle rates. Limit SSO to 8-12 outputs per bank switching simultaneously, and add 10-33 ohm series resistors on high-speed outputs to dampen reflections. For applications above 50 MHz, use controlled-impedance traces (50 ohm single-ended) with proper termination at the receiver.
Common pitfalls include: (1) forgetting to connect nCONFIG to VCCINT through a pull-up resistor - leaves the device unconfigured; (2) tying CONF_DONE to ground - prevents configuration completion detection; (3) missing MSEL0/MSEL1 pull-up/down resistors for proper configuration mode selection; (4) omitting JTAG chain integrity resistors on TDO - causes ByteBlaster communication failures; (5) using 3.3V LVCMOS signals directly into 5V VCCIO without level translation - damages I/O cells. Always verify configuration mode settings and JTAG chain with MAX+PLUS II programmer software before design commit.
Compliance Information
RoHS compliance per DigiKey listing for EPF8820ARC208-2 (same family variant). Halogen-free status not explicitly stated in available data; lead-free and RoHS compliant confirmed via distributor listings. Not AEC-Q100 qualified - FPGAs are typically not AEC-Q100 unless explicitly automotive-qualified.
