Altera

EPF8636ARC208-4 - FLEX 8000 FPGA, 6K Gates, 208-RQFP | Altera

MPN: EPF8636ARC208-4 ✗ Akhir Hidup

4.75 V to 5.25 V Vdss 208-RQFP (28x28 mm) with exposed pad Package -4 Speed

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EPF8636ARC208-4 Ringkasan

The Altera (Intel) EPF8636ARC208-4 is a member of the FLEX 8000 family of SRAM-based, loadable-programmable logic devices (PLDs), integrating 6,000 usable gates, 136 logic elements and 504 flip-flops into a 208-pin RQFP (Plastic Quad Flat Pack) package with exposed thermal pad. It operates from a single 4.75V to 5.25V supply, supports in-system configurability via a serial configuration EEPROM, and is built on a 5 V CMOS process with a 0.42 um feature size.

A Field-Programmable Gate Array (FPGA) is a semiconductor IC whose logic architecture, interconnect, and I/O behaviour are defined after manufacturing by a user-supplied bitstream. FPGAs sit within the broader hierarchy of programmable logic devices (PLD), which also includes simple PLDs (SPLD), complex PLDs (CPLD), and structured ASICs. FPGAs are distinguished by their distributed RAM blocks, configurable logic blocks (CLBs), high-speed I/O, and (in modern families) hard IP cores such as transceivers and DSP blocks. The FLEX 8000 family was Altera's second-generation FPGA line, positioned between the original FLEX 8000 and the subsequent FLEX 10K, and is typically used for glue-logic, bus-bridging, and state-machine replacement in 5V-tolerant industrial designs.

Key features of the EPF8636ARC208-4 include 136 logic elements, 504 flip-flops (registers), a maximum of 218 user I/O pins, 6 dedicated clock inputs (4 global + 2 fast), and a JTAG-compliant boundary-scan test interface (IEEE Std 1149.1). The die integrates 8 embedded RAM blocks, each configurable as 256 x 8, and supports tri-state output buffers on every user I/O. The device supports multi-volt I/O operation (3.3 V or 5 V), making it well-suited for mixed-voltage system designs.

Architecturally, the FLEX 8000 family combines a four-input look-up table (LUT) per logic element with a fast-carry chain for arithmetic, a continuous interconnect fabric with both row and column channels, and per-pin tri-state control. The -4 speed grade indicates one of the faster commercial temperature bin selections; the device is also specified over the extended industrial temperature range of -40 C to +105 C, allowing deployment in harsh environments.

Typical applications include industrial control logic, glue logic for legacy 5 V and 3.3 V microcontroller systems, bus-interface and protocol-bridging cards (e.g., PCI, ISA, VME), prototyping platforms, and embedded control systems. The wide 5 V tolerance makes it especially attractive for upgrading older CPLD designs with greater logic density.

When designing with this part, ensure your configuration memory source can supply the bitstream on every power-up, and respect the 5 V absolute-maximum on user I/O when interfacing to 3.3 V logic (use a series resistor or level translator). The exposed thermal pad should be soldered to a copper pour for reliable thermal performance.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the EPF8636ARC208-4 that are not consolidated in the original Altera datasheet.

Alternatif penggantian untuk EPF8636ARC208-4 — 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 EPF8636ARC208-4 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Configuration Method, Operating Temperature, Process Technology, Speed Grade.

EPF8636AQC208-2

Intel

Package: 208-BQFP / 208-PQFP (Plastic Quad Flat Pack)

Configuration Method: SRAM - serial or parallel EPROM, EPC1/EPC1064/EPC1213/EPC1441, or system controller

Operating Temperature: 0 °C to 70 °C (Commercial)