M4A3-128/64-7CAC

Complex Programmable Logic Devices Overview

The M4A3-128/64-7CAC is a 3.3-V Complex Programmable Logic Device (CPLD) from the ispMACH 4A family, manufactured by Lattice Semiconductor Corporation. It contains 128 macrocells and supports up to 64 user I/O options. The device operates with a maximum propagation delay of 5.5 ns and a maximum count frequency of 167 MHz. It utilizes E2 CMOS technology for in-system programming via JTAG (IEEE 1149.1). The architecture features central, input, and output switch matrices ensuring 100% routability and pin-out retention.

Complex Programmable Logic Devices Feature Summary

• High-performance E2 CMOS architecture supporting 3.3-V operation
• SpeedLocking feature guarantees fixed timing independent of logic complexity
• Central, input, and output switch matrices provide 100% routability
• JTAG compliant for boundary scan testing and in-system programming

Complex Programmable Logic Devices Applications

• PCI compliant system designs
• Mixed supply voltage system integration
• Automated test equipment connectivity

Complex Programmable Logic Devices Procurement Notes

Verify the specific package type associated with the suffix 'CAC' against official documentation, as package options vary across the ispMACH 4A family. Confirm that the commercial temperature range specifications align with the intended operational environment requirements.

Complex Programmable Logic Devices Selection Notes

Select this model for applications requiring guaranteed fixed timing regardless of product term usage. Ensure the design fits within the 128 macrocell density and 167 MHz frequency constraints. Verify compatibility with 3.3-V systems or mixed-voltage environments supported by the device's input/output safety features.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A CPLD family, which offers densities ranging from 32 to 512 macrocells. The family includes both 3.3-V (M4A3) and 5-V (M4A5) variants. The M4A3-128/64 variant specifically provides a balance of logic density and I/O flexibility for rapid logic design implementation.

Complex Programmable Logic Devices Replacement Considerations

Other devices within the ispMACH 4A family, such as M4A3-96 or M4A3-192, may serve as alternatives if logic density requirements differ. Cross-family replacements require verification of architectural differences and pinout compatibility.