EPM7256AEFC256-5N

Complex Programmable Logic Devices Overview

The Altera EPM7256AEFC256-5N is a Complex Programmable Logic Device (CPLD) belonging to the MAX 7000A family. It features 256 macrocells, 16 Logic Array Blocks (LABs), and 164 I/O pins housed in a 256-pin FBGA package. The device operates at a supply voltage of 3.0 V to 3.6 V with a typical 3.3 V nominal. Key electrical parameters include a maximum propagation delay of 5.5 ns and a maximum operating frequency of 172.4 MHz. It utilizes EEPROM storage technology for non-volatile configuration and supports an industrial temperature range of 0°C to +70°C.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells organized into 16 Logic Array Blocks (LABs)
• 164 I/O pins available in a 256-ball FBGA package
• EEPROM-based non-volatile memory for instant-on operation
• Maximum propagation delay of 5.5 ns

Complex Programmable Logic Devices Applications

• High-density logic replacement in industrial control systems
• Address decoding and bus bridging in embedded systems
• State machine implementation for communication protocols
• Glue logic consolidation in mixed-signal designs

Complex Programmable Logic Devices Procurement Notes

This component is listed as obsolete or end-of-life by the manufacturer. Verification of authenticity is critical due to potential availability from third-party distributors. Buyers must confirm RoHS compliance status and moisture sensitivity level handling requirements prior to procurement, as original packaging specifications may vary across production lots.

Complex Programmable Logic Devices Selection Notes

Select this part when a high pin count (164 I/O) is required within a dense FBGA footprint. Ensure the design accommodates the 3.3 V I/O voltage levels, as the MAX 7000A family does not support 5 V tolerant inputs on all pins without specific configuration. Compare against the EPM7256B series if lower voltage (2.5 V) operation or higher speed (3.5 ns delay) is required, noting that pinouts may differ.

Complex Programmable Logic Devices Part Context

The EPM7256AEFC256-5N is part of the MAX 7000A series, which succeeded the original MAX 7000S family. It offers pin compatibility with many earlier devices while providing improved performance and lower power consumption through CMOS EEPROM technology. This specific suffix indicates the commercial temperature grade and the FBGA-256 package type.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-compatible replacements are limited due to the obsolescence of the MAX 7000A line. The EPM7256BFC256-5N offers similar density but operates at 2.5 V with faster speeds; verify voltage compatibility. For modern equivalents, consider Intel/Altera MAX 10 or Cyclone IV families, though these require significant schematic and firmware redesign.