EPF8282ALC84-4

Field Programmable Gate Array Overview

The EPF8282ALC84-4 is a CMOS programmable logic device from the Altera FLEX 8000 family, housed in an 84-pin PLCC package. It provides 2,500 usable gates, 282 flip-flops, 26 Logic Array Blocks (LABs), and 208 Logic Elements (LEs). The device supports up to 68 user I/O pins and operates within a voltage range of 4.75 V to 5.25 V. It features FastTrack Interconnect for predictable delays, built-in JTAG boundary-scan test circuitry compliant with IEEE Std. 1149.1-1990, and MultiVolt I/O interface capabilities. The component is designed for in-circuit reconfigurability and low standby power consumption.

Field Programmable Gate Array Feature Summary

• Contains 208 Logic Elements organized into 26 LABs with dedicated carry and cascade chains for high-speed arithmetic functions.
• Supports in-circuit reconfigurability via external configuration devices or system controllers, allowing real-time design updates.
• Includes built-in JTAG boundary-scan test circuitry compliant with IEEE Std. 1149.1-1990 for manufacturing and system testing.
• Features MultiVolt I/O interface enabling compatibility with both 5.0-V and 3.3-V logic levels while the core operates at 5.0 V.

Field Programmable Gate Array Applications

• Bus interfaces requiring integration of multiple data paths
• Digital signal processing applications utilizing wide-data-path manipulation
• High-speed controllers and coprocessor functions
• TTL integration tasks

Field Programmable Gate Array Procurement Notes

This component is identified as obsolete or end-of-life by major distributors. Verification of availability requires checking secondary market suppliers or existing stock holders. Designers should confirm lead times and authenticity carefully when sourcing from non-primary channels due to the discontinued status.

Field Programmable Gate Array Selection Notes

Select this device for designs requiring fine-grained architecture combined with EPLD-like predictable interconnect delays. Ensure the application fits within the 208 LE capacity and 68 I/O limit. Verify that the 5V core voltage aligns with the system power supply, noting the MultiVolt capability allows flexible I/O interfacing.

Field Programmable Gate Array Part Context

The EPF8282A belongs to the FLEX 8000 family, which combines FPGA register richness with EPLD performance. This specific model represents the entry-level density in the 84-pin package options, offering 2,500 usable gates. It is part of a lineage that introduced in-circuit reconfigurability and fast continuous routing structures to the programmable logic market.

Field Programmable Gate Array Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Modern replacements typically involve Intel/Altera Agilex or Cyclone families, but these require significant architectural redesign and do not offer pin-compatible alternatives.

Field Programmable Gate Array FAQ

What is the maximum number of Logic Elements in the EPF8282ALC84-4?

The device contains 208 Logic Elements (LEs) arranged in 26 Logic Array Blocks (LABs).

Does the EPF8282ALC84-4 support JTAG testing?

Yes, it includes built-in Joint Test Action Group (JTAG) boundary-scan test circuitry compliant with IEEE Std. 1149.1-1990.

Can the I/O pins operate at voltages other than 5V?

Yes, the MultiVolt I/O interface allows the I/O pins to be compatible with both 5.0-V and 3.3-V logic levels.