M4A3-128/64-12VNI

Complex Programmable Logic Devices Overview

The M4A3-128/64-12VNI is a member of the ispMACH 4A family, a high-performance E2CMOS Complex Programmable Logic Device (CPLD). It features 128 macrocells and supports up to 64 user I/O options. The device operates at 3.3 V with guaranteed fixed timing performance of 7.5 ns propagation delay (tPD) and 182 MHz maximum count frequency (fCNT), corresponding to speed grade -12. It utilizes a flexible architecture with central, input, and output switch matrices for 100% routability and pin-out retention. Key capabilities include JTAG boundary scan compliance, in-system programming, and support for mixed-voltage system designs.

Complex Programmable Logic Devices Feature Summary

• 128 Macrocells with 64 User I/Os
• 7.5 ns tPD / 182 MHz fCNT Performance
• 3.3 V E2CMOS Technology
• JTAG Compliant Boundary Scan

Complex Programmable Logic Devices Applications

• PCI Compliant System Designs
• Mixed Supply Voltage Systems
• In-System Programmable Logic Control

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature range. The 'VNI' suffix indicates a specific package and industrial temperature rating configuration. Ensure compatibility with design tools supporting the ispMACH 4A family for implementation.

Complex Programmable Logic Devices Selection Notes

Select this device for applications requiring guaranteed fixed timing independent of logic density. The SpeedLocking feature ensures consistent delays regardless of product term usage. Verify that the 3.3 V supply voltage aligns with system requirements and that the 64 I/O count meets interface needs.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A family, which offers densities from 32 to 512 macrocells. The family is characterized by its E2CMOS process, providing non-volatile configuration without external memory. It bridges the gap between simple PLDs and complex FPGAs, offering high reliability and ease of use for control logic applications.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other M4A3-128 variants with different speed grades or packages. Cross-family migration to newer Lattice CPLDs may require architectural adaptation.