M4A5-64/32-55JC

Complex Programmable Logic Devices Overview

The M4A5-64/32-55JC is a 5-V ispMACH 4A CPLD featuring 64 macrocells and 32 I/Os in a PLCC-44 package. It delivers a maximum propagation delay of 5.5 ns and a maximum operating frequency of 167 MHz. The device utilizes EEPROM technology for non-volatile configuration and supports JTAG-based in-system programming. Designed for commercial applications, it operates within a temperature range of 0°C to +70°C.

Complex Programmable Logic Devices Feature Summary

• High-speed performance with 5.5 ns tPD and 167 MHz fCNT
• Flexible architecture with 64 macrocells and 100% pin-out retention
• EEPROM-based non-volatile storage for instant power-up operation
• JTAG (IEEE 1149.1) compliant for boundary scan testing and ISP

Complex Programmable Logic Devices Applications

• High-speed logic replacement
• Address/data buffering
• Protocol conversion
• System control logic

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature grade. Confirm end-of-life status and availability through authorized distributors prior to procurement.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 5-V operation with 64 macrocells. Ensure the application fits within the 167 MHz frequency limit and 0°C to +70°C commercial temperature range. Verify that the PLCC-44 package aligns with the PCB footprint requirements.

Complex Programmable Logic Devices Part Context

This component belongs to the Lattice ispMACH 4A family, which offers high-performance E2CMOS technology. The family provides flexible architectures with SpeedLocking features for guaranteed fixed timing across various density and I/O configurations.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements must match the 64 macrocell count, 32 I/Os, 5.5 ns speed grade, and PLCC-44 package. Verify voltage compatibility and pinout retention when considering alternative CPLD families.