EPF8820AQC208-2N - 8K Gates FLEX 8000 FPGA | Altera | 5V
MPN: EPF8820AQC208-2N β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.45 | $74.50 |
| 100 | $6.5 | $650.00 |
| 500 | $5.8 | $2,900.00 |
| 1,000 | $5.1 | $5,100.00 |
Drop-in alternatives for EPF8820AQC208-2N 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:
EPF8820AQC208-2
β Drop-Inβ In Stock
$22.8 / Unit
View Datasheet βEPF8820AQC208-3
β Drop-Inβ In Stock
$18.95 / Unit
View Datasheet βEPF8820AQC208-4
β Drop-Inβ In Stock
$32.8 / Unit
View Datasheet βEPF8636AQC208-3
β Drop-Inβ In Stock
$28 / Unit
View Datasheet βEPF8636AQC208-4N
β Drop-Inβ In Stock
$10.4 / Unit
View Datasheet βEPF8636AQC208-4
β Drop-Inβ In Stock
$35.33 / Unit
View Datasheet βEPF8820AQC208-2N Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements | 672 |
| Usable Gates | 8,000 |
| User I/O Pins | 152 |
| Dedicated Inputs | 4 |
| Process Technology | 0.42 Β΅m CMOS |
| Supply Voltage | 5 V |
| I/O Standard Support | 3.3 V / 5 V (multiVolt) |
| Maximum Frequency | 125 MHz |
| Propagation Delay | 5 ns |
| Package | 208-pin PQFP (FQFP) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0 Β°C to +70 Β°C (Commercial) |
| Configuration Method | SRAM (external EPROM/EPC device) |
| Logic Family | CMOS |
EPF8820AQC208-2N 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 | VCCIO β I/O supply voltage |
| Pin 6 | GND β Ground |
| Pin 7 | TDI β JTAG Test Data In |
| Pin 8 | TCK β JTAG Test Clock |
| Pin 9 | TMS β JTAG Test Mode Select |
| Pin 10 | nSTATUS β Configuration status |
| Pin 11 | nCONFIG β Configuration control (active low) |
| Pin 12 | CONFIG_DONE β Configuration complete |
| Pin 13 | DCLK β Configuration clock |
| Pin 14 | DATA0 β Configuration data input |
| Pin 15 | VCCINT β Core supply voltage 5 V |
| Pin 16 | GND β Ground |
| Pin 17 | CLK0 β Dedicated clock input |
| Pin 18 | CLK1 β Dedicated clock input |
| Pin 19 | CLK2 β Dedicated clock input |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | I/O β User I/O pin |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | I/O β User I/O pin |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | I/O β User I/O pin |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | I/O β User I/O pin |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | I/O β User I/O pin |
| Pin 46 | I/O β User I/O pin |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
| Pin 49 | I/O β User I/O pin |
| Pin 50 | I/O β User I/O pin |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | I/O β User I/O pin |
| Pin 53 | VCCIO β I/O supply voltage |
| Pin 54 | GND β Ground |
| Pin 55 | I/O β User I/O pin (bank 2) |
| Pin 56 | I/O β User I/O pin (bank 2) |
| Pin 57 | I/O β User I/O pin (bank 2) |
| Pin 58 | I/O β User I/O pin (bank 2) |
| Pin 59 | I/O β User I/O pin (bank 2) |
| Pin 60 | I/O β User I/O pin (bank 2) |
| Pin 61 | I/O β User I/O pin (bank 2) |
| Pin 62 | I/O β User I/O pin (bank 2) |
| Pin 63 | I/O β User I/O pin (bank 2) |
| Pin 64 | I/O β User I/O pin (bank 2) |
| Pin 65 | I/O β User I/O pin (bank 2) |
| Pin 66 | I/O β User I/O pin (bank 2) |
| Pin 67 | I/O β User I/O pin (bank 2) |
| Pin 68 | I/O β User I/O pin (bank 2) |
| Pin 69 | I/O β User I/O pin (bank 2) |
| Pin 70 | I/O β User I/O pin (bank 2) |
| Pin 71 | I/O β User I/O pin (bank 2) |
| Pin 72 | I/O β User I/O pin (bank 2) |
| Pin 73 | I/O β User I/O pin (bank 2) |
| Pin 74 | I/O β User I/O pin (bank 2) |
| Pin 75 | I/O β User I/O pin (bank 2) |
| Pin 76 | I/O β User I/O pin (bank 2) |
| Pin 77 | I/O β User I/O pin (bank 2) |
| Pin 78 | I/O β User I/O pin (bank 2) |
| Pin 79 | I/O β User I/O pin (bank 2) |
| Pin 80 | I/O β User I/O pin (bank 2) |
| Pin 81 | I/O β User I/O pin (bank 2) |
| Pin 82 | I/O β User I/O pin (bank 2) |
| Pin 83 | I/O β User I/O pin (bank 2) |
| Pin 84 | I/O β User I/O pin (bank 2) |
| Pin 85 | I/O β User I/O pin (bank 2) |
| Pin 86 | I/O β User I/O pin (bank 2) |
| Pin 87 | I/O β User I/O pin (bank 2) |
| Pin 88 | I/O β User I/O pin (bank 2) |
| Pin 89 | I/O β User I/O pin (bank 2) |
| Pin 90 | I/O β User I/O pin (bank 2) |
| Pin 91 | I/O β User I/O pin (bank 2) |
| Pin 92 | I/O β User I/O pin (bank 2) |
| Pin 93 | I/O β User I/O pin (bank 2) |
| Pin 94 | I/O β User I/O pin (bank 2) |
| Pin 95 | I/O β User I/O pin (bank 2) |
| Pin 96 | I/O β User I/O pin (bank 2) |
| Pin 97 | I/O β User I/O pin (bank 2) |
| Pin 98 | I/O β User I/O pin (bank 2) |
| Pin 99 | I/O β User I/O pin (bank 2) |
| Pin 100 | I/O β User I/O pin (bank 2) |
| Pin 101 | I/O β User I/O pin (bank 3) |
| Pin 102 | I/O β User I/O pin (bank 3) |
| Pin 103 | I/O β User I/O pin (bank 3) |
| Pin 104 | I/O β User I/O pin (bank 3) |
| Pin 105 | I/O β User I/O pin (bank 3) |
| Pin 106 | I/O β User I/O pin (bank 3) |
| Pin 107 | I/O β User I/O pin (bank 3) |
| Pin 108 | I/O β User I/O pin (bank 3) |
| Pin 109 | I/O β User I/O pin (bank 3) |
| Pin 110 | I/O β User I/O pin (bank 3) |
| 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 | I/O β User I/O pin (bank 3) |
| Pin 119 | I/O β User I/O pin (bank 3) |
| Pin 120 | I/O β User I/O pin (bank 3) |
| Pin 121 | I/O β User I/O pin (bank 3) |
| Pin 122 | I/O β User I/O pin (bank 3) |
| Pin 123 | I/O β User I/O pin (bank 3) |
| Pin 124 | I/O β User I/O pin (bank 3) |
| Pin 125 | I/O β User I/O pin (bank 3) |
| Pin 126 | I/O β User I/O pin (bank 3) |
| Pin 127 | I/O β User I/O pin (bank 3) |
| Pin 128 | I/O β User I/O pin (bank 3) |
| Pin 129 | I/O β User I/O pin (bank 3) |
| Pin 130 | I/O β User I/O pin (bank 3) |
| Pin 131 | I/O β User I/O pin (bank 3) |
| Pin 132 | I/O β User I/O pin (bank 3) |
| Pin 133 | I/O β User I/O pin (bank 3) |
| Pin 134 | I/O β User I/O pin (bank 3) |
| Pin 135 | I/O β User I/O pin (bank 3) |
| Pin 136 | I/O β User I/O pin (bank 3) |
| Pin 137 | I/O β User I/O pin (bank 3) |
| Pin 138 | I/O β User I/O pin (bank 3) |
| Pin 139 | I/O β User I/O pin (bank 3) |
| Pin 140 | I/O β User I/O pin (bank 3) |
| Pin 141 | I/O β User I/O pin (bank 3) |
| Pin 142 | I/O β User I/O pin (bank 3) |
| Pin 143 | I/O β User I/O pin (bank 3) |
| Pin 144 | I/O β User I/O pin (bank 3) |
| Pin 145 | I/O β User I/O pin (bank 3) |
| Pin 146 | I/O β User I/O pin (bank 3) |
| Pin 147 | I/O β User I/O pin (bank 3) |
| Pin 148 | I/O β User I/O pin (bank 3) |
| Pin 149 | I/O β User I/O pin (bank 3) |
| Pin 150 | I/O β User I/O pin (bank 3) |
| Pin 151 | I/O β User I/O pin (bank 3) |
| Pin 152 | I/O β User I/O pin (bank 3) |
| Pin 153 | VCCINT β Core supply voltage 5 V |
| Pin 154 | GND β Ground |
| Pin 155 | I/O β User I/O pin (bank 4) |
| Pin 156 | I/O β User I/O pin (bank 4) |
| Pin 157 | I/O β User I/O pin (bank 4) |
| Pin 158 | I/O β User I/O pin (bank 4) |
| Pin 159 | I/O β User I/O pin (bank 4) |
| Pin 160 | I/O β User I/O pin (bank 4) |
| Pin 161 | I/O β User I/O pin (bank 4) |
| Pin 162 | I/O β User I/O pin (bank 4) |
| Pin 163 | I/O β User I/O pin (bank 4) |
| Pin 164 | I/O β User I/O pin (bank 4) |
| Pin 165 | I/O β User I/O pin (bank 4) |
| Pin 166 | I/O β User I/O pin (bank 4) |
| Pin 167 | I/O β User I/O pin (bank 4) |
| Pin 168 | I/O β User I/O pin (bank 4) |
| Pin 169 | I/O β User I/O pin (bank 4) |
| Pin 170 | I/O β User I/O pin (bank 4) |
| Pin 171 | I/O β User I/O pin (bank 4) |
| Pin 172 | I/O β User I/O pin (bank 4) |
| Pin 173 | I/O β User I/O pin (bank 4) |
| Pin 174 | I/O β User I/O pin (bank 4) |
| Pin 175 | I/O β User I/O pin (bank 4) |
| Pin 176 | I/O β User I/O pin (bank 4) |
| Pin 177 | I/O β User I/O pin (bank 4) |
| Pin 178 | I/O β User I/O pin (bank 4) |
| Pin 179 | I/O β User I/O pin (bank 4) |
| Pin 180 | I/O β User I/O pin (bank 4) |
| Pin 181 | I/O β User I/O pin (bank 4) |
| Pin 182 | I/O β User I/O pin (bank 4) |
| Pin 183 | I/O β User I/O pin (bank 4) |
| Pin 184 | I/O β User I/O pin (bank 4) |
| Pin 185 | I/O β User I/O pin (bank 4) |
| Pin 186 | I/O β User I/O pin (bank 4) |
| Pin 187 | I/O β User I/O pin (bank 4) |
| Pin 188 | I/O β User I/O pin (bank 4) |
| Pin 189 | I/O β User I/O pin (bank 4) |
| Pin 190 | I/O β User I/O pin (bank 4) |
| Pin 191 | I/O β User I/O pin (bank 4) |
| Pin 192 | I/O β User I/O pin (bank 4) |
| Pin 193 | I/O β User I/O pin (bank 4) |
| Pin 194 | I/O β User I/O pin (bank 4) |
| Pin 195 | I/O β User I/O pin (bank 4) |
| Pin 196 | I/O β User I/O pin (bank 4) |
| Pin 197 | I/O β User I/O pin (bank 4) |
| Pin 198 | I/O β User I/O pin (bank 4) |
| Pin 199 | I/O β User I/O pin (bank 4) |
| Pin 200 | I/O β User I/O pin (bank 4) |
| Pin 201 | I/O β User I/O pin (bank 4) |
| Pin 202 | I/O β User I/O pin (bank 4) |
| Pin 203 | I/O β User I/O pin (bank 4) |
| Pin 204 | I/O β User I/O pin (bank 4) |
| Pin 205 | I/O β User I/O pin (bank 4) |
| Pin 206 | I/O β User I/O pin (bank 4) |
| Pin 207 | TDO β JTAG Test Data Out |
| Pin 208 | VCCIO β I/O supply voltage |
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
EPF8820AQC208-2N is suitable for 6 applications: 32-bit Bus Bridge and Peripheral Glue Logic, Telecom and Networking Backplane Glue, Industrial Machine Control Logic, ASIC Prototyping and Logic Emulation, Legacy PCI/ISA Peripheral Design, Educational and Lab FPGA Platforms.
32-bit Bus Bridge and Peripheral Glue Logic
The EPF8820AQC208-2N's 152 user I/O pins and 8,000 usable gates make it well suited as a 32-bit bus bridge connecting microprocessors, memories, and peripherals in legacy 5 V systems. Its 672 logic elements provide ample register-rich logic for state machines, address decoding, and wait-state insertion across multiple 16/32-bit buses. Compared with a discrete TTL/MSI implementation, the FPGA consolidates dozens of 74LS/74F chips into a single PQFP-208 package, reducing PCB area and BOM cost while increasing design flexibility. The 5 ns propagation delay and 125 MHz maximum frequency support synchronous bus operation at full 32-bit throughput.
Recommended
Telecom and Networking Backplane Glue
Telecom and networking backplanes frequently require glue logic for protocol conversion, address multiplexing, and high-pin-count bus arbitration. The EPF8820AQC208-2N's 152 I/O and 5 V I/O tolerance allow direct connection to 5 V and 3.3 V transceivers, simplifying multi-rail backplane design. The SRAM configuration supports in-system reconfiguration (ICR) for field upgrades, while the global low-skew clock network ensures deterministic timing across multi-card backplane systems. Designers benefit from a single 208-pin PQFP replacing stacks of discrete decoders, latches, and transceivers.
Recommended
Industrial Machine Control Logic
In industrial machine control, the EPF8820AQC208-2N integrates I/O expansion, encoder interface, and PWM/timer logic into a single 5 V FPGA. Its commercial temperature range (0 to 70 Β°C) suits factory-floor enclosures, while 152 I/O pins handle parallel sensor/actuator wiring without external muxing. Compared with a microcontroller plus discrete logic, this FPGA provides deterministic parallel logic execution, deterministic timing, and 5 V tolerance for legacy industrial drivers. The in-system reconfigurability enables field firmware upgrades without board removal.
Recommended
ASIC Prototyping and Logic Emulation
The EPF8820AQC208-2N is commonly used as an ASIC prototyping vehicle because its 8,000 gates and 672 LEs allow mapping of mid-complexity ASIC RTL onto FPGA silicon for hardware/software co-verification before tape-out. The SRAM configuration supports fast design iterations through the ByteBlaster interface, and the 152-I/O count accommodates real-world ASIC pinouts including JTAG and boundary-scan. Designers can re-map logic between multiple FLEX 8000 devices for system-level emulation of larger ASICs. Compared with gate-array emulation, FPGAs shorten prototyping cycles from months to weeks.
Recommended
Legacy PCI/ISA Peripheral Design
Legacy PCI and ISA peripheral cards use the EPF8820AQC208-2N to implement bus interface, DMA control, and interrupt arbitration in a single 5 V FPGA. Its 152 I/O and 5 V I/O tolerance match the PCI/ISA signaling environment directly, eliminating external level translators. The 672-logic-element density is sufficient for full PCI target/initiator state machines, scatter-gather DMA engines, and interrupt controllers. Compared with discrete TTL logic, this FPGA reduces board area by 60 to 80 percent and accelerates time-to-market for legacy peripheral designs.
Recommended
Educational and Lab FPGA Platforms
Universities and lab training centers historically adopted the EPF8820AQC208-2N for digital logic courses because its 208-pin PQFP and 5 V supply tolerate breadboard-friendly hookups. Students learn VHDL/Verilog design on a moderate-density SRAM-based FPGA with 152 I/O for LED, switch, and 7-segment display connections. Compared with newer Cyclone-series FPGAs, the EPF8820AQC208-2N runs on simple 5 V supplies and standard JTAG tools (ByteBlaster), reducing lab setup complexity. It is also a useful teaching artifact for SRAM-configuration FPGA fundamentals before moving to flash-based MAX families.
Recommended
Recommended Products Summary
Engineering reference data for EPF8820AQC208-2N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820AQC208-2 | EPF8820AQC208-3 | EPF8820AQC208-4 | EPF8636AQC208-3 | EPF8636AQC208-4N | EPF8636AQC208-4 |
|---|---|---|---|---|---|---|---|
| Package | 208-Pin PQFP (FQFP) | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Logic Elements | 672 | 672 | 672 | 672 | 576 | 576 | 576 |
| Usable Gates | 8,000 | 8,000 | 8,000 | 8,000 | 6,000 | 6,000 | 6,000 |
| User I/O | 152 | 152 | 152 | 152 | 152 | 152 | 152 |
| Speed Grade | -2 (slowest) | -2 | -3 (faster) | -4 (fastest) | -3 | -4N | -4 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Lead-free / Pb-free assembly compliance (vs EPF8820AQC208-2)
- Slower speed grade (-2) offers wider timing margin (vs EPF8820AQC208-3)
- Highest usable-gate count in the FLEX 8000 208-PQFP family (vs EPF8636AQC208-3)
Design Notes
The EPF8820AQC208-2N requires a stable 5 V VCCINT supply plus separate VCCIO rails (3.3 V or 5 V per bank). During SRAM configuration, ICC surges to its maximum as internal logic blocks initialize; bulk-decouple VCCINT with at least one 100 Β΅F electrolytic plus 0.1 Β΅F ceramics per VCC pin. The configuration device (EPC1/EPC1441/EPC1064) must share the same VCCINT rail or have sequencing guarantees to avoid partial configuration.
Use a 4-layer PCB with continuous ground and power planes for the PQFP-208 footprint. Each VCCIO/VCCINT/GND pair should have its own via to the planes, placed within 5 mm of the package. Maintain 50 Ξ© controlled impedance on critical clock and JTAG traces to avoid signal-integrity issues; route the global clock pins (CLK0/CLK1/CLK2) with matched lengths to minimize skew across LABs.
Common pitfalls: (1) Forgetting to supply a configuration bitstream on every power-up - the SRAM is volatile. (2) Driving nCONFIG low before VCCINT is stable - causes configuration errors. (3) Mixing 3.3 V and 5 V peripherals without verifying multiVolt I/O bank assignments. (4) Ignoring ByteBlaster JTAG pull-ups - can cause boundary-scan failures. (5) Assuming the part is in production - it has been obsolete for years; new designs should target Cyclone IV/V or MAX II/IV families.
Compliance Information
Lead-free / Pb-free per 'N' suffix in MPN; RoHS compliance not explicitly stated in verified web data. AEC-Q100 not applicable for legacy commercial-grade FPGA.
