M4A3-64/32-7VNC48

Complex Programmable Logic Devices Overview

The M4A3-64/32-7VNC48 is a Complex Programmable Logic Device (CPLD) from the ispMACH 4A family, manufactured by Lattice Semiconductor. It operates at a nominal voltage of 3.3 V and contains 64 macrocells with 32 user I/O options. The device features a maximum propagation delay of 7 ns and a maximum operating frequency of 167 MHz. It utilizes EEPROM technology for non-volatile configuration and supports JTAG in-system programming. The component is housed in a TQFP-48 package.

Complex Programmable Logic Devices Feature Summary

• ispMACH 4A architecture with 64 macrocells and 32 I/Os
• High-speed performance: 7 ns max propagation delay, 167 MHz max frequency
• EEPROM-based non-volatile storage with JTAG ISP support
• TQFP-48 surface-mount package

Complex Programmable Logic Devices Applications

• General-purpose logic replacement
• Bus interface bridging
• Address decoding and control logic

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VNC48' against the manufacturer's official documentation to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status through the current datasheet revision. Ensure design-in tools are compatible with the ispMACH 4A family architecture.

Complex Programmable Logic Devices Selection Notes

Select this component when a 3.3 V supply is required with moderate logic density. The 7 speed grade offers a balance between performance and power consumption compared to faster grades. Verify that the 32 I/O count meets system requirements, as the device does not support additional external I/O expansion beyond its internal macrocell capacity.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A family, which provides flexible architecture for rapid logic designs. The family includes both 3.3 V (M4A3) and 5 V (M4A5) variants. The M4A3-64/32 variant specifically denotes a 64-macrocell device with a 2:1 macrocell-to-I/O ratio, allowing flexible routing through the output switch matrix.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other speed grades of the M4A3-64/32 such as -5 or -55. Cross-family migration may require architectural adjustments due to differences in macrocell structure and routing resources.