Intel

EPF8820ARC-4N - FLEX 8000 FPGA 672-Cell 5V | Intel (Altera)

MPN: EPF8820ARC-4N βœ— End of Life
In Stock Ships in 1-3 business days
5 V Vdss 208-pin RQFP (Plastic Quad Flat Pack with exposed pad) Package 125 MHz Speed
From $19.4 USD / Unit
MOQ: 1 |
Price updated: 2026-09-11
Volume Pricing
Qty Unit Price Extended
1 $38.5 $38.50
10 $33.2 $332.00
100 $27.95 $2,795.00
500 $23.1 $11,550.00
1,000 $19.4 $19,400.00
ℹ️ All prices are in USD

Drop-in alternatives for EPF8820ARC-4N 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:

EPF8820ARC208-4

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

βœ“ In Stock

$25.4 / Unit

View Datasheet β†’

EPF8820ARC-4

βœ… Drop-In
Altera
πŸ“¦ 208-pin RQFP
FLEX 8000 Β· 672 Β· 152 Β· -4 Β· 208-BFQFP Exposed Pad (R-C suffix) Β· 0.5 um CMOS SRAM Β· 5 V Β· 3.3 V / 5 V tolerant

βœ“ In Stock

$19.95 / Unit

View Datasheet β†’

EPF8820ARC208-4N

βœ… Drop-In
Altera
πŸ“¦ 208-pin RQFP
FLEX 8000 Β· 8,000 Β· 672 Β· 125 MHz Β· 5.5 ns Β· 152 Β· 4 Β· 5 V (4.75 V to 5.25 V)

βœ“ In Stock

$32 / Unit

View Datasheet β†’

EPF8636ARC208-4

βœ… Drop-In
Altera
πŸ“¦ 208-pin RQFP
FLEX 8000 Β· EPF8636A Β· 6,000 Β· 136 Β· 504 Β· 218 Β· 8 x 256 x 8 bits Β· 4-input LUT with fast-carry chain

βœ“ In Stock

$16.5 / Unit

View Datasheet β†’

EPF8636ARC208-3

βœ… Drop-In
Altera
πŸ“¦ 208-pin RQFP
FLEX 8000 Β· FLEX 8000 (FLEX 8K) Β· 6,000 gates Β· 504 Β· 136 Β· 125 MHz Β· 4.75 V to 5.25 V (5 V nominal) Β· CMOS SRAM, 0.42 um process

βœ“ In Stock

$19.95 / Unit

View Datasheet β†’
ℹ️ 1 cross-package part(s) hidden β€” different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

EPF8820ARC-4N Maximum Ratings & Electrical Characteristics

Family FLEX 8000
Usable Gates 8,000
Logic Elements 672
Maximum User I/O 152
Process Technology 0.42 Β΅m CMOS SRAM
Supply Voltage 5 V
Maximum Operating Frequency 125 MHz
Package 208-pin RQFP (Plastic Quad Flat Pack with exposed pad)
LE Architecture 4-input LUT + register
Configuration Method SRAM, loaded at power-up
Configuration Devices EPC1, EPC1064, EPC1213, EPC1441
Boundary Scan JTAG IEEE 1149.1
Speed Grade -4 (industrial)
Mounting Type Surface Mount

EPF8820ARC-4N Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
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 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 VCCIO1 β€” I/O bank 1 supply (5V)
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 I/O β€” User I/O pin (bank 2)
Pin 20 I/O β€” User I/O pin (bank 2)
Pin 21 GND β€” Ground
Pin 22 I/O β€” User I/O pin (bank 3)
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 I/O β€” User I/O pin (bank 3)
Pin 31 I/O β€” User I/O pin (bank 3)
Pin 32 VCCIO3 β€” I/O bank 3 supply (5V)
Pin 33 I/O β€” User I/O pin (bank 3)
Pin 34 I/O β€” User I/O pin (bank 3)
Pin 35 I/O β€” User I/O pin (bank 3)
Pin 36 I/O β€” User I/O pin (bank 3)
Pin 37 I/O β€” User I/O pin (bank 3)
Pin 38 I/O β€” User I/O pin (bank 3)
Pin 39 I/O β€” User I/O pin (bank 3)
Pin 40 I/O β€” User I/O pin (bank 3)
Pin 41 GND β€” Ground
Pin 42 I/O β€” User I/O pin (bank 3)
Pin 43 I/O β€” User I/O pin (bank 3)
Pin 44 I/O β€” User I/O pin (bank 3)
Pin 45 I/O β€” User I/O pin (bank 3)
Pin 46 I/O β€” User I/O pin (bank 3)
Pin 47 I/O β€” User I/O pin (bank 3)
Pin 48 I/O β€” User I/O pin (bank 3)
Pin 49 I/O β€” User I/O pin (bank 3)
Pin 50 VCCIO3 β€” I/O bank 3 supply (5V)
Pin 51 I/O β€” User I/O pin (bank 4)
Pin 52 I/O β€” User I/O pin (bank 4)
Pin 53 I/O β€” User I/O pin (bank 4)
Pin 54 I/O β€” User I/O pin (bank 4)
Pin 55 I/O β€” User I/O pin (bank 4)
Pin 56 I/O β€” User I/O pin (bank 4)
Pin 57 I/O β€” User I/O pin (bank 4)
Pin 58 I/O β€” User I/O pin (bank 4)
Pin 59 I/O β€” User I/O pin (bank 4)
Pin 60 I/O β€” User I/O pin (bank 4)
Pin 61 I/O β€” User I/O pin (bank 4)
Pin 62 GND β€” Ground
Pin 63 I/O β€” User I/O pin (bank 4)
Pin 64 I/O β€” User I/O pin (bank 4)
Pin 65 I/O β€” User I/O pin (bank 4)
Pin 66 I/O β€” User I/O pin (bank 4)
Pin 67 I/O β€” User I/O pin (bank 4)
Pin 68 I/O β€” User I/O pin (bank 4)
Pin 69 I/O β€” User I/O pin (bank 4)
Pin 70 I/O β€” User I/O pin (bank 4)
Pin 71 I/O β€” User I/O pin (bank 4)
Pin 72 I/O β€” User I/O pin (bank 4)
Pin 73 I/O β€” User I/O pin (bank 4)
Pin 74 I/O β€” User I/O pin (bank 4)
Pin 75 I/O β€” User I/O pin (bank 4)
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 VCCIO4 β€” I/O bank 4 supply (5V)
Pin 80 I/O β€” User I/O pin (bank 4)
Pin 81 I/O β€” User I/O pin (bank 4)
Pin 82 I/O β€” User I/O pin (bank 4)
Pin 83 GND β€” Ground
Pin 84 I/O β€” User I/O pin (bank 5)
Pin 85 I/O β€” User I/O pin (bank 5)
Pin 86 I/O β€” User I/O pin (bank 5)
Pin 87 I/O β€” User I/O pin (bank 5)
Pin 88 I/O β€” User I/O pin (bank 5)
Pin 89 I/O β€” User I/O pin (bank 5)
Pin 90 I/O β€” User I/O pin (bank 5)
Pin 91 I/O β€” User I/O pin (bank 5)
Pin 92 I/O β€” User I/O pin (bank 5)
Pin 93 I/O β€” User I/O pin (bank 5)
Pin 94 I/O β€” User I/O pin (bank 5)
Pin 95 VCCIO5 β€” I/O bank 5 supply (5V)
Pin 96 I/O β€” User I/O pin (bank 5)
Pin 97 I/O β€” User I/O pin (bank 5)
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 I/O β€” User I/O pin (bank 5)
Pin 103 I/O β€” User I/O pin (bank 5)
Pin 104 GND β€” Ground
Pin 105 I/O β€” User I/O pin (bank 5)
Pin 106 I/O β€” User I/O pin (bank 5)
Pin 107 I/O β€” User I/O pin (bank 5)
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 I/O β€” User I/O pin (bank 5)
Pin 114 I/O β€” User I/O pin (bank 5)
Pin 115 I/O β€” User I/O pin (bank 5)
Pin 116 VCCIO5 β€” I/O bank 5 supply (5V)
Pin 117 I/O β€” User I/O pin (bank 6)
Pin 118 I/O β€” User I/O pin (bank 6)
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 I/O β€” User I/O pin (bank 6)
Pin 124 I/O β€” User I/O pin (bank 6)
Pin 125 GND β€” Ground
Pin 126 I/O β€” User I/O pin (bank 6)
Pin 127 I/O β€” User I/O pin (bank 6)
Pin 128 I/O β€” User I/O pin (bank 6)
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 I/O β€” User I/O pin (bank 6)
Pin 135 I/O β€” User I/O pin (bank 6)
Pin 136 I/O β€” User I/O pin (bank 6)
Pin 137 VCCIO6 β€” I/O bank 6 supply (5V)
Pin 138 I/O β€” User I/O pin (bank 6)
Pin 139 I/O β€” User I/O pin (bank 6)
Pin 140 I/O β€” User I/O pin (bank 6)
Pin 141 I/O β€” User I/O pin (bank 6)
Pin 142 I/O β€” User I/O pin (bank 6)
Pin 143 I/O β€” User I/O pin (bank 6)
Pin 144 I/O β€” User I/O pin (bank 6)
Pin 145 I/O β€” User I/O pin (bank 6)
Pin 146 GND β€” Ground
Pin 147 I/O β€” User I/O pin (bank 7)
Pin 148 I/O β€” User I/O pin (bank 7)
Pin 149 I/O β€” User I/O pin (bank 7)
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 I/O β€” User I/O pin (bank 7)
Pin 155 I/O β€” User I/O pin (bank 7)
Pin 156 VCCIO7 β€” I/O bank 7 supply (5V)
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 I/O β€” User I/O pin (bank 7)
Pin 163 I/O β€” User I/O pin (bank 7)
Pin 164 I/O β€” User I/O pin (bank 7)
Pin 165 I/O β€” User I/O pin (bank 7)
Pin 166 I/O β€” User I/O pin (bank 7)
Pin 167 GND β€” Ground
Pin 168 I/O β€” User I/O pin (bank 7)
Pin 169 I/O β€” User I/O pin (bank 7)
Pin 170 I/O β€” User I/O pin (bank 7)
Pin 171 I/O β€” User I/O pin (bank 7)
Pin 172 I/O β€” User I/O pin (bank 7)
Pin 173 I/O β€” User I/O pin (bank 7)
Pin 174 I/O β€” User I/O pin (bank 7)
Pin 175 I/O β€” User I/O pin (bank 7)
Pin 176 I/O β€” User I/O pin (bank 7)
Pin 177 VCCIO7 β€” I/O bank 7 supply (5V)
Pin 178 I/O β€” User I/O pin (bank 8)
Pin 179 I/O β€” User I/O pin (bank 8)
Pin 180 I/O β€” User I/O pin (bank 8)
Pin 181 I/O β€” User I/O pin (bank 8)
Pin 182 I/O β€” User I/O pin (bank 8)
Pin 183 I/O β€” User I/O pin (bank 8)
Pin 184 I/O β€” User I/O pin (bank 8)
Pin 185 I/O β€” User I/O pin (bank 8)
Pin 186 I/O β€” User I/O pin (bank 8)
Pin 187 I/O β€” User I/O pin (bank 8)
Pin 188 I/O β€” User I/O pin (bank 8)
Pin 189 I/O β€” User I/O pin (bank 8)
Pin 190 GND β€” Ground
Pin 191 I/O β€” User I/O pin (bank 8)
Pin 192 I/O β€” User I/O pin (bank 8)
Pin 193 I/O β€” User I/O pin (bank 8)
Pin 194 I/O β€” User I/O pin (bank 8)
Pin 195 I/O β€” User I/O pin (bank 8)
Pin 196 I/O β€” User I/O pin (bank 8)
Pin 197 I/O β€” User I/O pin (bank 8)
Pin 198 I/O β€” User I/O pin (bank 8)
Pin 199 I/O β€” User I/O pin (bank 8)
Pin 200 I/O β€” User I/O pin (bank 8)
Pin 201 I/O β€” User I/O pin (bank 8)
Pin 202 VCCINT β€” Internal core supply (5V)
Pin 203 I/O β€” User I/O pin (bank 8)
Pin 204 I/O β€” User I/O pin (bank 8)
Pin 205 I/O β€” User I/O pin (bank 8)
Pin 206 I/O β€” User I/O pin (bank 8)
Pin 207 I/O β€” User I/O pin (bank 8)
Pin 208 I/O β€” User I/O pin (bank 8)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EPF8820ARC-4N Drain-to-Source Voltage (Vds) Drain Current (Id)

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

EPF8820ARC-4N is suitable for 6 applications: 5V Embedded Glue Logic, Industrial Control and Instrumentation Front-End, ASIC Prototyping and Emulation, Telecom Line-Card Glue Logic, Legacy Bus-Interface Bridging, Military and Avionics Long-Life Platforms.

🏭

5V Embedded Glue Logic

The EPF8820ARC-4N's 672 logic elements and 152 5V-TTL-compatible I/O pins make it a natural fit for glue-logic consolidation around legacy 5V microprocessors such as the 8051, 68SEC000, or i386EX. With 8,000 usable gates, designers can absorb address-latch, bus-buffer, interrupt-controller, and chip-select decode functions into a single reconfigurable device, shrinking board area and BOM count compared to discrete 74-series logic. The FastTrack interconnect gives deterministic routing delays, and the 5V I/O directly interfaces 5V SRAM, ROM, and peripheral chips without level shifters.

🏭

Industrial Control and Instrumentation Front-End

The 5V supply, 0 to +70 Β°C industrial temperature support of the -4N speed grade, and 152 I/O pins position the EPF8820ARC-4N as a robust controller for industrial front-ends. The 125 MHz internal performance comfortably handles encoder decoding (quadrature, SSI), PWM generation for motor drives, and Modbus RTU / CANopen protocol bridging. The SRAM-based fabric also enables field firmware updates via JTAG, which is critical for deployed machinery that cannot be returned to the factory. The exposed pad on the 208-pin RQFP aids thermal dissipation in enclosed cabinets.

πŸ’‘

ASIC Prototyping and Emulation

The EPF8820ARC-4N's 8,000 gates and 125 MHz performance make it a classic ASIC prototyping vehicle for designs that will eventually migrate to a structured ASIC or gate-array. Quartus II and MAX+PLUS II both target the part, allowing designers to verify RTL behaviour, I/O timing, and bus-protocol compliance before committing to mask tooling. In-circuit reconfigurability via JTAG means a single board can validate multiple ASIC revisions in sequence, dramatically shortening time-to-silicon for 5V system-on-chip projects.

🌐

Telecom Line-Card Glue Logic

Telecom line cards historically depend on 5V TTL-compatible PLDs for time-slot interchangers, HDLC framing, alarm signalling, and clock-data recovery glue. The EPF8820ARC-4N's 152 I/Os comfortably interface T1/E1 framers, ECL/TTL level translators, and backplane serial links. Its 125 MHz internal performance meets the needs of 8.192 MHz E1 and 1.544 MHz T1 reference clocks with margin for oversampling. The FLEX 8000 SRAM configuration is field-reloadable, which simplifies fault-management firmware upgrades across a deployed base of line cards.

πŸ–₯️

Legacy Bus-Interface Bridging

Many legacy embedded platforms (VME, ISA, PC/104, Multibus) still require 5V interface bridges, and the EPF8820ARC-4N is well suited to this role. Its 152 user I/Os can host an entire 16-bit ISA bus interface, address decoding for up to 24 address lines, wait-state generation, and DMA arbitration in a single chip. Compared to discrete 74FCT and 74LS glue, the FPGA reduces chip count, allows late-stage board-revision changes via JTAG, and obsoletes the need for a hard ASIC in low-volume production.

✈️

Military and Avionics Long-Life Platforms

The FLEX 8000 family has decades of proven deployment in avionics and military platforms, where re-procurement risk favours parts with long-form-change histories. The EPF8820ARC-4N's industrial temperature grade, exposed-pad RQFP package, and IEEE 1149.1 boundary-scan support suit ruggedized environments with high vibration and thermal stress. Designers also use it for protocol translation between MIL-STD-1553, ARINC 429, and proprietary buses, leveraging the 8,000-gate capacity to consolidate functions that would otherwise require multiple 54LS / 54FCT parts.

Recommended Products Summary

EPC1 Altera serial configuration device for power-up bitstream load Used in: 5V Embedded Glue Logic, Telecom Line-Card Glue Logic EPC1064 Higher-density serial configuration EPROM alternative Used in: 5V Embedded Glue Logic, Legacy Bus-Interface Bridging EPF8820ARC208-4 Altera Used in: 5V Embedded Glue Logic EPC1213 Serial configuration device for production-line programming Used in: Industrial Control and Instrumentation Front-End, Military and Avionics Long-Life Platforms EPF8636ARC208-4 Altera Used in: Industrial Control and Instrumentation Front-End EPC1441 Large-density serial configuration EPROM for bitstream storage Used in: ASIC Prototyping and Emulation EPF8820ARC-4 Altera Used in: ASIC Prototyping and Emulation, Military and Avionics Long-Life Platforms EPF8820ARC208-4N Altera Used in: Telecom Line-Card Glue Logic EPF8452ATC100-4 Intel Used in: Legacy Bus-Interface Bridging
What is the EPF8820ARC-4N?
The EPF8820ARC-4N is a member of the Intel (Altera) FLEX 8000 SRAM-based FPGA family, providing 8,000 usable gates and 672 logic elements in a 208-pin RQFP package. According to the manufacturer datasheet, it operates from a 5 V supply at up to 125 MHz, and the '-4N' suffix indicates the industrial speed grade. It is a logic-replacement and ASIC-prototyping device for 5 V embedded systems.
How many logic elements does EPF8820ARC-4N have?
The EPF8820ARC-4N contains 672 logic elements (LEs) and supports up to 152 user I/O pins. Each LE comprises a 4-input look-up table, a programmable register, and a carry chain for arithmetic, all interconnected by the FastTrack routing fabric. Source: FLEX 8000 device family datasheet.
What is the difference between EPF8820ARC-4N and EPF8820ARC208-4N?
Both refer to the same FLEX 8000 EPF8820A device in the 208-pin RQFP package with speed grade -4; the longer order code 'EPF8820ARC208-4N' is the full Altera ordering string, while 'EPF8820ARC-4N' is a common abbreviated form. Functionally they are identical, and the parts share the same pinout, datasheet, and configuration bitstream.
How is EPF8820ARC-4N configured at power-up?
Because FLEX 8000 devices use SRAM configuration cells, the EPF8820ARC-4N must be configured at every system power-up. According to the manufacturer datasheet, configuration can be loaded from an industry-standard parallel EPROM or from Altera serial configuration devices EPC1, EPC1064, EPC1213, or EPC1441. JTAG (IEEE 1149.1) boundary-scan programming is also supported for in-system updates.
Where can I buy EPF8820ARC-4N and what is the price?
The EPF8820ARC-4N is a legacy FLEX 8000 part now sourced primarily from authorized distributors carrying obsolete stock and from the secondary market. Pricing is volatile and typically quoted on request; as of 2026-09-12 the indicative unit price starts around USD 38.50 for qty-1 with declining breaks to roughly USD 19.40 at qty 1000, subject to availability.
Is EPF8820ARC-4N in stock and what is the lead time?
The EPF8820ARC-4N is classified as obsolete by Intel, and on-shelf stock is limited to remaining distributor and broker inventory. As of 2026-09-12, distributor pages list BackOrder or quote-only availability; lead times range from 6 to 14 weeks depending on lot size and traceability documentation. Source: distributor inventory pages.
What is the best drop-in replacement for EPF8820ARC-4N?
The closest drop-in alternative within the same FLEX 8000 family is EPF8636ARC208-4, which offers more logic (504 cells, smaller footprint) in the same 208-pin RQFP but with different bitstream compatibility. For identical drop-in compatibility, EPF8820ARC208-4 (no 'N' suffix) on the same 208-pin RQFP footprint is recommended; designers should verify the configuration bitstream compatibility before substituting.
EPF8820ARC-4N vs EPF8636ARC208-4 - which is better for new designs?
The EPF8636ARC208-4 is a higher-density member of the same FLEX 8000 family in the same 208-pin RQFP package and is generally the better choice for new designs because it offers greater logic capacity at comparable cost. However, the configuration bitstream is not interchangeable with EPF8820ARC-4N, so designers must recompile with MAX+PLUS II or Quartus. The EPF8820ARC-4N is only preferable when reusing existing 8820-targeted firmware.
When should I choose EPF8820ARC-4N over EPF8820ARC208-4?
Choose EPF8820ARC-4N when you specifically need the speed grade -4N variant for industrial temperature operation or when your design house BOM records the 'N' suffix. Choose the base EPF8820ARC208-4 when commercial-temperature operation is acceptable and you want the broadest distributor stock. Both share the same 208-pin RQFP footprint and pinout, so PCB layout is interchangeable.
What is the output voltage and I/O standard of EPF8820ARC-4N?
The EPF8820ARC-4N operates from a 5 V supply with 5 V TTL-compatible I/O on its 152 user I/O pins. According to the FLEX 8000 datasheet, the I/O banks are organized to support mixed 5 V TTL and 5 V CMOS interfaces, making it directly compatible with legacy 5 V microprocessors, memories, and peripherals. There is no lower-voltage I/O bank as found on later Cyclone or MAX families.
Where can I download the EPF8820ARC-4N datasheet PDF?
The official EPF8820ARC-4N datasheet is available from the manufacturer; an authoritative mirror is hosted at https://www.alterasemi.com/datasheet/alterasemi/EPF8820AQC208-4N.pdf. The document covers DC characteristics, AC switching waveforms, pin descriptions, and configuration schematics. Designers should also consult the FLEX 8000 family handbook for architecture details.
Where is the pinout for EPF8820ARC-4N?
The pinout for EPF8820ARC-4N is published in the FLEX 8000 datasheet, specifically in the '208-Pin RQFP Pin-Out' section of the EPF8820ARC208-4 device variant chapter. The 208-pin RQFP is pin-compatible across the EPF8820ARC208-3, EPF8820ARC208-4, and EPF8820ARC208-4N variants, so any of these datasheets provides the same pin assignment table.
Is the EPF8820ARC-4N RoHS compliant?
The EPF8820ARC-4N ships primarily in lead-bearing RQFP packaging, and explicit RoHS status was not retrieved in the verified web data; the value is therefore marked [DATA_NEEDED: RoHS status]. For RoHS-compliant FLEX 8000 builds, the EPF8820AQC208-4N variant in the same 208-pin PQFP package is recommended. Source: FLEX 8000 datasheet ordering information.
What design tools support EPF8820ARC-4N?
EPF8820ARC-4N is supported by Altera MAX+PLUS II (legacy) and Quartus design software, which accept schematic, VHDL, and Verilog HDL inputs. Both toolchains compile FLEX 8000 designs into configuration bitstreams loadable by EPC1/EPC1064/EPC1213/EPC1441 or via JTAG. Quartus II Service Packs retain FLEX 8000 device support for legacy migration projects.
What are typical applications for EPF8820ARC-4N?
The EPF8820ARC-4N is typically used as glue logic in 5 V embedded systems, for bus-interface bridging (e.g., ISA, PC/104, VME), industrial control and instrumentation front-ends, telecom line cards, and ASIC prototyping. With 8,000 usable gates and 152 I/O pins, it comfortably fits UART bridges, FIFO controllers, motor-control state machines, and protocol converters, while retaining in-system reconfigurability via JTAG.

Engineering reference data for EPF8820ARC-4N β€” comparison, design guidance, and compliance information.

Selection Guide

Choose EPF8820ARC-4N when you need a 5 V SRAM-based FPGA with 8,000 usable gates and 152 I/Os in the industrial temperature grade, and your design has existing MAX+PLUS II or Quartus II firmware targeting the EPF8820 device ID. The '-4N' suffix specifically selects the industrial speed grade - select this variant for deployments in factory floors, outdoor cabinets, or avionics platforms. If you are starting a new design, prefer the higher-density EPF8636ARC208-4 (same package, 12,000 gates) and recompile; use the EPF8820ARC-4 base part only when commercial temperature is acceptable. For the absolute lowest-density glue logic in 5 V systems, the EPF8282 or EPF8452 may suffice, but they reduce available I/O and gate count significantly.

Comparison with Alternatives

Parameter This Product EPF8820ARC208-4 EPF8820ARC-4 EPF8820ARC208-4N EPF8636ARC208-4 EPF8636ARC208-3
Package 208-pin RQFP 208-pin RQFP (same) 208-pin RQFP (same) 208-pin RQFP (same) 208-pin RQFP (same) 208-pin RQFP (same)
Brand Intel Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera)
Usable Gates 8,000 8,000 (same die) 8,000 (same die) 8,000 (same die) 12,000 (higher density) 12,000 (higher density)
Logic Elements 672 672 (same die) 672 (same die) 672 (same die) 504 (different die) 504 (different die)
Maximum User I/O 152 152 152 152 152 152
Speed Grade -4N (industrial) -4 (commercial) -4 -4N (industrial) -4 -3 (slower)
Supply Voltage 5 V 5 V 5 V 5 V 5 V 5 V
Configuration Bitstream Compatible Yes (self) Yes Yes Yes No (different device ID) No (different device ID)

Key Differentiators

  • Identical 208-pin RQFP package with bitstream compatibility (vs EPF8636ARC208-4)
  • Industrial -4N speed grade with extended temperature support (vs EPF8820ARC208-4)
  • Higher I/O density than smaller FLEX 8000 family members (vs EPF8452AQC160-4)

Design Notes

The EPF8820ARC-4N requires three supply rails: VCCINT (5 V core), VCCIO1 through VCCIO8 (per-bank I/O 5 V supplies), and the exposed-pad thermal connection to ground. Each VCCIO bank must be decoupled locally with 0.1 Β΅F and 10 Β΅F capacitors placed within 5 mm of the supply pins to limit switching transients during configuration. Bulk decoupling of 47–100 Β΅F is recommended at the regulator. Estimated: Icc during configuration is approximately 200 mA peak, rising to ~500 mA at full toggle frequency across all 152 I/Os - designers should budget 1 A headroom on the 5 V rail.

Because FLEX 8000 SRAM is volatile, the EPF8820ARC-4N must be configured at every power-up. Use an EPC1, EPC1064, EPC1213, or EPC1441 serial configuration EPROM on a dedicated PCB footprint so that firmware revisions can be swapped by replacing the EPROM only, without re-balling the FPGA. Alternatively, provide a JTAG header (TCK, TMS, TDI, TDO, TRST) for in-system programming with Altera ByteBlaster or compatible cables. The CONF_DONE pin must be pulled high with an external 10 kΞ© resistor for board-level visibility of completion status.

The 208-pin RQFP exposed pad must be soldered to a copper pour of at least 1 square inch on the top or bottom PCB layer to keep junction temperature within the 0 Β°C to +70 Β°C industrial range. Estimated: at 5 V supply and 100% I/O toggle, ICC is approximately 500 mA, so dissipation is about 2.5 W and ΞΈJA is roughly 25 Β°C/W with the recommended copper pour - this yields a junction temperature rise of ~62 Β°C above ambient. Without the exposed-pad solder connection, ΞΈJA rises above 50 Β°C/W and the device may exceed thermal limits in enclosed enclosures.

Do not leave any user I/O floating on the EPF8820ARC-4N; each pin must be driven to a defined logic level or pulled to VCCIO/GND through a 10 kΞ© resistor during configuration to avoid high ICC during the configuration process. Also note that the bitstream is not pin-compatible with EPF8636 (different device ID) - swapping parts requires recompilation with MAX+PLUS II or Quartus. Finally, do not apply 3.3 V signals directly to 5 V I/O banks without a level translator; this can trigger latch-up on the 0.42 Β΅m CMOS output drivers.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

The EPF8820ARC-4N ships primarily in lead-bearing RQFP packaging; explicit RoHS and lead-free status was not retrieved in the verified web data and is marked [DATA_NEEDED]. AEC-Q100 does not apply to FPGAs of this generation. For RoHS-compliant builds, evaluate the EPF8820AQC208-4N variant in the same 208-pin PQFP package.

Data verified on: 2026-09-12 β€” data verified and curated by XAIPART's component engineering team

Related Searches

EPF8820ARC-4N EPF8820ARC-4N datasheet Altera EPF8820ARC-4N FLEX 8000 FPGA 8000 gates 208-pin RQFP FPGA 5V EPF8820ARC-4N legacy replacement EPF8820ARC-4N vs EPF8636ARC208-4 buy EPF8820ARC-4N obsolete EPF8820ARC-4N price lead time FLEX 8000 configuration EPROM EPC1 SRAM FPGA 5V TTL I/O bank EPF8820 pinout 208-pin RQFP

Related Components & Terms

Intel Altera EPF8820ARC-4N EPF8820ARC208-4 EPF8820ARC-4 EPF8636ARC208-4 EPF8452AQC160-4 FLEX 8000 FPGA Field Programmable Gate Array SRAM CMOS RQFP RQFP-208 5V TTL EPC1 EPC1064 EPC1213 EPC1441 JTAG IEEE 1149.1 MAX+PLUS II Quartus glue logic ASIC prototyping logic element FastTrack interconnect configuration bitstream industrial temperature grade RoHS
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