M4A5-128/64-7VNI

Complex Programmable Logic Devices Overview

The M4A5-128/64-7VNI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It features 128 macrocells and 64 user I/Os, operating at a maximum propagation delay of 7.5 ns and a maximum frequency of 167 MHz. The device supports 5-V operation with a supply voltage range of 4.75 V to 5.25 V. It utilizes an E2CMOS process for in-system programming via JTAG (IEEE 1149.1). The component is housed in a 100-pin PQFP package and operates within a commercial temperature range of 0°C to +70°C.

Complex Programmable Logic Devices Feature Summary

• High-performance architecture with guaranteed fixed timing up to 167 MHz using SpeedLocking technology.
• Flexible logic design with 128 macrocells, D/T registers, latches, and programmable polarity.
• Supports mixed-voltage system designs with safe interface between 3.3-V and 5-V signals.
• Includes JTAG boundary scan testing and in-system programming capabilities.

Complex Programmable Logic Devices Applications

• System integration requiring pin-out retention after design changes.
• PCI compliant logic interfaces.
• Mixed supply voltage system designs.

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VNI' against official documentation to confirm package type and temperature grade. Confirm availability status as distribution data may vary. Ensure compliance with RoHS requirements if applicable to the specific manufacturing batch.

Complex Programmable Logic Devices Selection Notes

Select this model for applications requiring 5-V operation with 128 macrocells and 64 I/Os. Compare against the -5 speed grade for faster performance or other packages like TQFP/BGA based on board space constraints. Verify that the 0°C to +70°C commercial temperature range meets environmental requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A CPLD family, which offers densities from 32 to 512 macrocells. The M4A5 series specifically denotes 5-V devices, while the M4A3 series covers 3.3-V operations. The family emphasizes high routability and first-time-fit design capabilities.

Complex Programmable Logic Devices Replacement Considerations

Check for updated Lattice ispMACH 4A variants with different speed grades or package options. Consider M4A3-128/64 equivalents if 3.3-V operation is acceptable. Verify cross-compatibility with other CPLD families only if architectural differences are addressed.