M4A3-32/32-10VNI

Complex Programmable Logic Devices Overview

The M4A3-32/32-10VNI is a 3.3-V ispMACH 4A Complex Programmable Logic Device (CPLD) from Lattice Semiconductor. It features 32 macrocells and 32 user I/Os in a 44-pin TQFP package. The device operates at a commercial speed grade of -10, providing a propagation delay (tPD) of 5.0 ns and a maximum counter frequency (fCNT) of 182 MHz. Static power consumption is specified at 20 mA. Key architectural elements include a central switch matrix for 100% routability, dedicated input registers, and JTAG (IEEE 1149.1) compliance for boundary scan testing and in-system programming.

Complex Programmable Logic Devices Feature Summary

• SpeedLocking technology ensures guaranteed fixed timing with up to 20 product terms per output.
• Flexible architecture with D/T registers, latches, and programmable polarity.
• JTAG compliant for boundary scan testing and 3.3-V in-system programming.
• Bus-Friendly inputs and individual output slew rate control.

Complex Programmable Logic Devices Applications

• PCI-compliant system integration
• Mixed supply voltage designs
• Hot-socketing applications

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature range. Ensure compatibility with existing design tools for ispMACH 4A devices. Confirm lead-free status if required by environmental regulations.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 32 macrocells with guaranteed timing performance. The -10 speed grade suits high-speed logic applications. Consider the 44-pin TQFP package for board space constraints. Verify that the 3.3-V operation aligns with the target system voltage requirements.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A family, which offers densities from 32 to 512 macrocells. The family is characterized by its E2CMOS process, allowing for both 3.3-V and 5-V operation variants. The M4A3-32/32 variant specifically provides a 1:1 macrocell-to-I/O ratio.

Complex Programmable Logic Devices Replacement Considerations

Check for updated revisions within the ispMACH 4A family. Verify pinout compatibility if substituting with other 32-macrocell devices. Ensure the replacement supports the required JTAG interface and in-system programming capabilities.