EPM7128BFC49-4

Complex Programmable Logic Devices Overview

The Altera EPM7128BFC49-4 is a Complex Programmable Logic Device (CPLD) belonging to the MAX 7000B family. It features 128 macrocells, 49 I/Os, and 2500 usable gates organized into four Logic Array Blocks (LABs). The device operates at a supply voltage of 3.3V with a maximum frequency of 243.9 MHz and a propagation delay of 4 ns. It utilizes EEPROM technology for non-volatile configuration storage and is housed in a 49-pin FBGA package.

Complex Programmable Logic Devices Feature Summary

• Supports System In-Programmability (ISP) via JTAG interface for flexible field updates without removing the device from the circuit board.
• Utilizes high-density CMOS second-generation MAX architecture to deliver high-performance logic processing within a compact footprint.
• Features configurable I/O pads that support both 3.3V and 5V operation levels, providing flexibility for mixed-voltage system integration.

Complex Programmable Logic Devices Applications

• High-speed digital signal processing interfaces requiring low latency
• Complex state machine implementations in industrial control systems
• Protocol conversion bridges between different voltage domains

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and humidity sensitivity handling requirements during storage and assembly. Cross-reference datasheet specifications against current design constraints to ensure compatibility with existing PCB layouts and power supplies.

Complex Programmable Logic Devices Selection Notes

Select this model when designing systems requiring moderate logic density with fast turnaround times. The 4ns speed grade suits applications needing rapid response. Consider pin count limitations of the 49-pin package relative to total I/O requirements before finalizing the design choice.

Complex Programmable Logic Devices Part Context

Part of the MAX 7000B series, representing Altera's second-generation CPLD technology. This line emphasizes ease of use and reprogrammability compared to earlier EPROM-based devices, offering a balance between complexity and performance for embedded logic applications.

Complex Programmable Logic Devices Replacement Considerations

No direct public substitute part numbers are confirmed. Designers may consider newer Intel/Altera MAX 10 or Cyclone V families for modern replacements, though architectural differences require schematic and code adaptation.