M4A3-32/32-7VC

Complex Programmable Logic Devices Overview

The M4A3-32/32-7VC is a 3.3-V Complex Programmable Logic Device (CPLD) from the ispMACH 4A family, manufactured by Lattice Semiconductor. It features 32 macrocells and supports up to 32 user I/Os in a 1:1 macrocell-to-I/O cell ratio architecture. The device operates with a maximum propagation delay of 7.5 ns and a maximum counting frequency of 182 MHz. It utilizes E2CMOS technology for non-volatile configuration and supports both commercial and industrial temperature ranges.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS technology enabling 3.3-V and 5-V operation
• SpeedLocking feature guarantees fixed timing independent of logic complexity
• JTAG (IEEE 1149.1) compliant for boundary scan testing and in-system programming
• Flexible architecture with central switch matrix ensuring 100% routability

Complex Programmable Logic Devices Applications

• System control and management applications
• PCI-compliant interface designs
• Mixed voltage system integration
• Boot loader functionality execution

Complex Programmable Logic Devices Procurement Notes

Verify the specific package type required for the -7VC suffix against the manufacturer's current datasheet, as package options may vary. Confirm lead-free status if RoHS compliance is mandatory for the target application. Ensure design tools support the ispMACH 4A family for proper compilation and fitting.

Complex Programmable Logic Devices Selection Notes

Select this model when 32 macrocells are sufficient for the logic density requirements. The -7 speed grade provides a 7.5 ns propagation delay suitable for moderate-speed applications. Consider the 1:1 macrocell-to-I/O ratio for simplified pinout retention compared to 2:1 ratio devices.

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 M4A3-32/32 variant specifically targets low-density applications requiring high flexibility and guaranteed timing performance through its unique switch matrix architecture.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other M4A3-32 variants with different speed grades or package options. Cross-family migration to newer Lattice CPLDs requires architectural review due to differences in macrocell structure and routing resources.