M4A3-32/32-5VNC

Complex Programmable Logic Devices Overview

The M4A3-32/32-5VNC is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4A family, manufactured by Lattice Semiconductor. It features 32 macrocells and supports 32 user I/O options within a 44-pin PLCC package. The device operates at a supply voltage of 3.3 V with a maximum propagation delay (tPD) of 5.0 ns and a maximum count frequency (fCNT) of 182 MHz. It utilizes E2CMOS technology for in-system programming via JTAG and includes architectural features such as SpeedLocking for guaranteed fixed timing.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture with 5.0 ns tPD and 182 MHz fCNT
• Flexible logic design with 32 macrocells and 100% pin-out retention
• JTAG (IEEE 1149.1) compliant for boundary scan testing and in-system programming
• Supports mixed-voltage system designs with 3.3-V and 5-V JEDEC-compliant operations

Complex Programmable Logic Devices Applications

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

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VNC' against official documentation to confirm package type, temperature range, and lead-free status. Confirm current availability status as older CPLD families may have limited stock or end-of-life implications.

Complex Programmable Logic Devices Selection Notes

Select this component for applications requiring guaranteed fixed timing through SpeedLocking and high routability. Ensure the design fits within the 32 macrocell limit and utilizes the 44-pin PLCC form factor. Verify compatibility with 3.3 V logic levels and JTAG programming requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A family, which offers densities from 32 to 512 macrocells. The M4A3 series specifically denotes 3.3 V operation. The '-32/32' designation indicates a 1:1 macrocell-to-I/O cell ratio, providing dedicated input registers and a central switch matrix for flexible routing.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other speed grades of the M4A3-32/32 (e.g., -55, -6). For higher density needs, consider M4A3-64 variants. Cross-family migration to ispMACH 4000V requires architectural adaptation.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency for the M4A3-32/32?

The maximum count frequency (fCNT) is 182 MHz.

Does the M4A3-32/32 support in-system programming?

Yes, it supports JTAG (IEEE 1149.1) in-system programming.

What is the macrocell-to-I/O cell ratio for this device?

The M4A3-32/32 has a 1:1 macrocell-to-I/O cell ratio.