M4A3-256/128-7YNC

Complex Programmable Logic Devices Overview

The M4A3-256/128-7YNC is a 3.3-V ispMACH 4A CPLD featuring 256 macrocells and 128 user I/Os in a 256-pin BGA package. It delivers a maximum propagation delay (tPD) of 7.5 ns and a maximum count frequency (fCNT) of 167 MHz. The device utilizes E2CMOS technology, supports JTAG boundary scan testing, and includes features such as SpeedLocking for guaranteed fixed timing, hot-socketing capability, and individual output slew rate control.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with 128 User I/Os
• 7.5 ns Maximum Propagation Delay (Industrial Grade)
• JTAG Compliant In-System Programming
• SpeedLocking Architecture for Fixed Timing

Complex Programmable Logic Devices Applications

• PCI Compliant Interface Logic
• Mixed Voltage System Integration
• High-Speed Control Logic

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'YNC' against the manufacturer's official datasheet to confirm package type and temperature range details not explicitly defined in the provided text. Ensure compatibility with existing design tools for the ispMACH 4A family.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 256 macrocells with industrial temperature performance. The 7.5 ns speed grade is suitable for applications needing predictable timing without sacrificing logic density. Consider the 256-pin BGA package constraints for PCB layout.

Complex Programmable Logic Devices Part Context

This component belongs to the Lattice ispMACH 4A family, which offers high-performance E2CMOS programmable logic. The family provides flexible architecture with 100% pin-out retention and First-Time-Fit capabilities across various densities from 32 to 512 macrocells.

Complex Programmable Logic Devices Replacement Considerations

Check for other speed grades within the M4A3-256 series (e.g., -5, -55, -6) if faster performance is required, or lower density variants if cost reduction is needed. Verify package availability for alternative suffixes.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency?

The maximum count frequency (fCNT) is 167 MHz.

Does the device support JTAG programming?

Yes, it is IEEE 1149.1 compliant for boundary scan testing and in-system programming.

What is the macrocell-to-I/O ratio?

The M4A3-256/128 has a 2:1 macrocell-to-I/O cell ratio.