M4A5-128/64-12VNI

Complex Programmable Logic Devices Overview

The M4A5-128/64-12VNI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family, designed for high-performance E2CMOS applications. It operates at 5 V and contains 128 macrocells with 64 user I/O options. The device features a maximum propagation delay of 12 ns and supports a maximum operating frequency of 100 MHz. It utilizes JTAG (IEEE 1149.1) for in-system programming and boundary scan testing. The component is housed in a 100-pin TQFP package and functions within an industrial temperature range of -40°C to +85°C.

Complex Programmable Logic Devices Feature Summary

• High-speed performance with 12 ns maximum propagation delay and 100 MHz operating frequency
• Flexible architecture featuring central, input, and output switch matrices for 100% routability
• Supports JTAG (IEEE 1149.1) compliant in-system programming and boundary scan testing
• Industrial temperature range operation from -40°C to +85°C

Complex Programmable Logic Devices Applications

• PCI-compliant interface logic
• Mixed supply voltage system designs
• Automated test equipment connectivity

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VNI' against the manufacturer's current documentation to confirm package type and temperature grade. Confirm availability status as distribution channels may list this part as obsolete or restricted. Ensure design files account for the 100-pin TQFP footprint and humidity sensitivity classification during manufacturing.

Complex Programmable Logic Devices Selection Notes

Select this model when a 5 V supply is required alongside 128 macrocells and 64 I/Os. The 12 ns speed grade suits designs needing guaranteed fixed timing via SpeedLocking. Compare against the M4A3 series if a 3.3 V supply is preferred, noting that the M4A5 variant ensures compatibility with 5 V inputs without overdriving lower voltage components.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A CPLD family, which combines high-density logic with flexible routing. The M4A5 designation indicates 5 V operation, while the 128/64 notation specifies the macrocell and I/O count. The '12' denotes the 12 ns speed grade, and 'VNI' identifies the specific package and environmental rating configuration.

Complex Programmable Logic Devices Replacement Considerations

Direct functional replacements within the same density and speed include other M4A5-128/64 variants with different speed grades (e.g., -10, -7). For pin-compatible alternatives, verify package dimensions for the 100-pin TQFP form factor.