M4A3-32/32-5JNC

Complex Programmable Logic Devices Overview

The M4A3-32/32-5JNC is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family, designed for high-performance E2CMOS applications. It operates at 3.3 V and features 32 macrocells with 32 user I/O options housed in a 44-pin PLCC package. The device achieves a maximum propagation delay of 5.0 ns and a maximum operating frequency of 182 MHz. Key architectural elements include a central switch matrix, logic allocator, and output switch matrix to ensure 100% routability and pin-out retention.

Complex Programmable Logic Devices Feature Summary

• SpeedLocking technology guarantees fixed timing performance independent of design complexity.
• Supports JTAG (IEEE 1149.1) boundary scan testing and in-system programming.
• Flexible architecture with D/T registers, latches, and programmable polarity.
• Bus-Friendly inputs and individual output slew rate control.

Complex Programmable Logic Devices Applications

• High-speed interface bridging
• Address decoding and bus buffering
• State machine implementation
• Logic replacement for discrete components

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and lead condition upon receipt. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet to prevent damage during soldering processes.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 3.3 V operation with guaranteed 5.0 ns timing. The 32 macrocell density suits moderate complexity logic. Verify that the 44-pin PLCC package fits the target PCB footprint. Consider the -5 speed grade for optimal performance within the commercial temperature range.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A family, which offers densities from 32 to 512 macrocells. The M4A3-32/32 variant specifically provides a 1:1 macrocell-to-I/O ratio, simplifying routing compared to 2:1 ratio devices. It is part of the broader Lattice CPLD portfolio aimed at cost-effective, high-reliability logic solutions.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other M4A3-32 variants with different speed grades or packages, such as M4A3-32/32-7JNC. Cross-family migration may require architectural adjustments due to differences in macrocell structure and I/O capabilities.

Complex Programmable Logic Devices FAQ

What is the maximum propagation delay for the M4A3-32/32-5JNC?

The maximum propagation delay is 5.0 ns, achieved through the SpeedLocking feature when using up to 20 product terms per output.

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

Yes, it supports 3.3-V in-system programming via the JTAG (IEEE 1149.1) interface.

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, allowing each macrocell to drive one of eight I/O cells.