M4A3-64/64-7VI

Complex Programmable Logic Devices Overview

The M4A3-64/64-7VI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It features 64 macrocells and 64 I/O pins in a TQFP-100 package. Operating at 3.3 V, it delivers a maximum propagation delay of 7 ns and a maximum frequency of 167 MHz. The device supports industrial temperature ranges (-40°C to +85°C), utilizes EEPROM storage, and includes JTAG boundary scan compliance for testing and in-system programming.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture with guaranteed fixed timing via SpeedLocking
• Flexible logic allocation supporting up to 20 product terms per output without speed penalty
• JTAG (IEEE 1149.1) compliant for boundary scan testing and in-system programming
• Bus-Friendly inputs and individual output slew rate control

Complex Programmable Logic Devices Applications

• PCI-compliant system integration
• Mixed supply voltage designs
• Industrial control logic
• General-purpose programmable logic

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free packaging availability as specified in current documentation. Check for End-of-Life (EOL) notifications or Product Change Notifications (PCN) that may affect long-term supply stability.

Complex Programmable Logic Devices Selection Notes

Select this model for applications requiring 64 macrocells with a 1:1 macrocell-to-I/O ratio. Ensure the design fits within the 7 ns speed grade constraints. Verify that the TQFP-100 package aligns with PCB footprint requirements. Consider the -7VI suffix for industrial temperature range operation if environmental conditions exceed commercial limits.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A CPLD family, which offers densities from 32 to 512 macrocells. The M4A3 series specifically targets 3.3 V operations. The 64/64 designation indicates a balanced configuration where all macrocells are available for I/O functions, simplifying pinout retention during design iterations.

Complex Programmable Logic Devices Replacement Considerations

Consult official Lattice documentation for verified cross-references. No specific substitute part numbers are confirmed in the provided source material.