M4A5-32/32-7VI

Complex Programmable Logic Devices Overview

The M4A5-32/32-7VI is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4A family, manufactured by Lattice Semiconductor. It operates at a 5V supply voltage and features 32 macrocells with 32 user I/O pins housed in a TQFP package. The device supports In-System Programming (ISP) via JTAG and offers a maximum propagation delay of 7 ns, corresponding to a maximum operating frequency of 167 MHz. It utilizes EEPROM technology for non-volatile configuration storage.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture supporting 5V operation
• SpeedLocking feature ensures guaranteed fixed timing performance
• JTAG (IEEE 1149.1) compliant for boundary scan testing and ISP
• Flexible switch matrix providing 100% routability and pin-out retention

Complex Programmable Logic Devices Applications

• PCI bus interface implementations
• Mixed-voltage system integration
• General-purpose programmable logic replacement
• Boundary scan test structures

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VI' against official Lattice documentation to confirm package type and temperature range. Confirm end-of-life status through authorized distributors as availability may be restricted.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 32 macrocells with 5V compatibility. Ensure the design fits within the 7 ns speed grade constraints. Consider the TQFP package dimensions for PCB layout requirements.

Complex Programmable Logic Devices Part Context

This component is part of the ispMACH 4A series, which provides high-density programmable logic solutions. The M4A5 designation indicates the 5V variant within the family, offering flexibility for legacy and mixed-voltage applications.

Complex Programmable Logic Devices Replacement Considerations

Check for direct pin-compatible replacements within the same ispMACH 4A family or newer Lattice CPLD generations. Verify electrical parameters and package compatibility before substitution.