M4A3-128/64-10CAI

Complex Programmable Logic Devices Overview

The M4A3-128/64-10CAI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It features 128 macrocells and supports up to 64 user I/O pins. The device operates at a maximum frequency of 167 MHz with a typical propagation delay of 5.5 ns. It utilizes E2CMOS technology for in-system programming via JTAG and offers flexible architecture with 100% pin-out retention.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture with 128 macrocells and 167 MHz operating speed
• SpeedLocking feature ensures guaranteed fixed timing independent of logic complexity
• Flexible routing with central, input, and output switch matrices for 100% routability
• Supports mixed-voltage designs with 3.3-V operation and 5-V input tolerance

Complex Programmable Logic Devices Applications

• System control and management logic
• Interface bridging between different voltage domains
• State machine implementation requiring deterministic timing
• Replacement for legacy PAL/GAL devices in industrial systems

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors. Confirm package integrity as moisture sensitivity requires proper handling. Check for lead-free compliance if required by specific environmental regulations. Ensure design tools support the ispMACH 4A family for programming.

Complex Programmable Logic Devices Selection Notes

Select this model when 128 macrocells are sufficient for the design logic. The -10 speed grade provides 5.5 ns delay suitable for moderate-speed applications. Consider the TQFP or PQFP package options based on board space constraints. Verify that the 3.3-V supply voltage aligns with system power requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A CPLD family, which bridges the gap between simple PLDs and complex FPGAs. It is designed for applications requiring high reliability, low power consumption, and easy integration into existing systems. The family supports various package types including TQFP, PQFP, and BGA variants.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other M4A3-128 variants with different speed grades or package options. Cross-family migration may require architectural adjustments due to differences in macrocell structure and routing resources.