Altera

EPF8820ARI208-3 - 672 LE FLEX 8000 FPGA, 208-PQFP | Altera

Name: EPF8820ARI208-3 - 672 LE FLEX 8000 FPGA, 208-PQFP | Altera
Brand: Altera
SKU: EPF8820ARI208-3

MPN: EPF8820ARI208-3 ✗ Akhir Hidup

3.3 V or 5 V configurable Vdss 208-pin PQFP (Plastic Quad Flat Pack) Package 385 MHz Speed

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EPF8820ARI208-3 Ringkasan

The Altera (Intel) EPF8820ARI208-3 is a member of the FLEX 8000 family of CMOS Field-Programmable Gate Arrays (FPGAs), delivering 672 logic elements (LEs) in a 208-pin Plastic Quad Flat Pack (PQFP/RQFP) package with industrial-grade temperature rating. The device integrates 152 user I/O lines plus 4 dedicated inputs, supports configurable I/O standards at 3.3 V or 5 V, and reaches a maximum internal clock frequency of 385 MHz.

An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that allows designers to configure arbitrary digital logic after manufacturing using a combination of look-up tables (LUTs), programmable interconnect, and I/O cells. FPGAs sit within the semiconductor hierarchy as: programmable logic -> logic IC -> integrated circuit -> semiconductor. The FLEX 8000 family was Altera's first-generation fine-grained SRAM-based FPGA architecture, predating modern Cyclone and Stratix families, and remains in service in long-lifecycle industrial, telecom, and legacy aerospace designs.

Key architectural features include 672 logic elements, 152 user I/O, configurable I/O voltage (3.3 V or 5 V), 385 MHz maximum clock frequency, and SRAM-based configuration cells requiring external configuration memory. The -3 speed grade indicates a specific FLEX 8000 timing bin, and the 'I' suffix denotes the industrial temperature range. Unlike modern flash- or antifuse-based FPGAs, FLEX 8000 devices must be reconfigured on every power-up via a serial configuration EPROM or microcontroller.

Typical applications include industrial control logic, telecom interface glue logic, legacy PCI bridge designs, peripheral bus controllers, and long-lifecycle embedded systems where re-spinning the FPGA is impractical. The 5 V tolerance on I/O is particularly valuable for interfacing to legacy TTL buses.

When designing with this device, note that FLEX 8000 devices are now NRND/EOL - plan for migration to Cyclone II/III/V or similar modern Altera/Intel FPGAs for new designs. Programming requires Altera MAX+PLUS II or Quartus (legacy support mode) plus a configuration device such as EPC1 or EPC2.

This page synthesizes distributor stock, drop-in same-package alternatives from the FLEX 8000 family, and practical migration guidance not found in the original datasheet.

Alternatif penggantian untuk EPF8820ARI208-3 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.

Variasi di dalam seri ini

Model-series yang sama yang kompatibel dengan penggantian EPF8820ARI208-3 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Process Technology, Configuration Method, Device Type, Usable Gates.

EPF8820AQC208-3

Altera

Package: 208-pin PQFP (Plastic Quad Flat Pack), 28 x 28 mm

Process Technology: CMOS SRAM

Configuration Method: Serial or parallel EPROM (EPC1, EPC1064, EPC1213, EPC1441), system controller