M4A3-64/32-55VC48

Complex Programmable Logic Devices Overview

The M4A3-64/32-55VC48 is a Complex Programmable Logic Device (CPLD) from the ispMACH 4A family, manufactured by Lattice Semiconductor. It operates at 3.3V and features 64 macrocells with 32 user I/O options. The device supports in-system programming via JTAG and offers a propagation delay of 5.5 ns with a maximum counter frequency of 167 MHz. It utilizes E2CMOS technology for high performance and low power consumption.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS technology supporting 3.3V operation
• SpeedLocking feature guarantees fixed timing up to 20 product terms per output
• JTAG-compliant boundary scan testing and in-system programming
• Flexible architecture with central switch matrix ensuring 100% routability

Complex Programmable Logic Devices Applications

• PCI compliant logic interface designs
• Mixed supply voltage system integration
• High-speed data routing and protocol conversion

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix '55VC48' against official Lattice documentation to confirm package type, temperature range, and lead-free status. Ensure compatibility with existing design tools and verify that the 3.3V supply requirements align with the target system specifications before procurement.

Complex Programmable Logic Devices Selection Notes

Select this model for applications requiring guaranteed fixed timing and high pin-out retention. The 64 macrocell density is suitable for moderate complexity logic designs. Consider the 5.5 ns speed grade for systems needing faster switching than standard commercial grades while maintaining lower power consumption compared to higher-density alternatives.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A family, which combines high-density logic with flexible architecture. The family includes both 3.3V and 5V variants, offering various macrocell densities from 32 to 512. The M4A3-64/32 specifically provides a balance between logic capacity and I/O flexibility within the 3.3V operational range.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other M4A3-64 variants with different speed grades or package options. Cross-family migration to ispMACH 5000VG may offer increased product term sharing but requires architectural adaptation.