M4A5-64/32-55JNC

Complex Programmable Logic Devices Overview

The M4A5-64/32-55JNC is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It operates at 5V and contains 64 macrocells with 32 user I/O pins. The device features a maximum propagation delay of 5.5 ns and a maximum operating frequency of 250 MHz. It utilizes EEPROM technology for non-volatile configuration and supports JTAG in-system programming. The component is housed in a PLCC-44 package and is designed for commercial temperature ranges.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture with 5.5 ns max propagation delay
• Supports JTAG boundary scan testing and in-system programming
• PCI compliant design suitable for mixed voltage systems
• Features SpeedLocking for guaranteed fixed timing performance

Complex Programmable Logic Devices Applications

• PCI bus interface logic
• System glue logic for mixed-voltage designs
• Boundary scan testability integration

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'JNC' against official manufacturer documentation to confirm package type and temperature grade, as suffixes define physical attributes. Confirm current availability status as this part number may be subject to discontinuation or limited supply constraints.

Complex Programmable Logic Devices Selection Notes

Select this model when a 5V CPLD with 64 macrocells and 32 I/Os is required. Ensure the application benefits from the 5.5 ns speed grade and EEPROM-based reprogrammability. Verify that the PLCC-44 package fits the target PCB layout constraints.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A family, which offers flexible architectures for rapid logic designs. The family provides high routability through central switch matrices and supports both synchronous and asynchronous modes for efficient implementation of complex digital functions.

Complex Programmable Logic Devices Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.