M4A3-512/192-7FAC

Complex Programmable Logic Devices Overview

The M4A3-512/192-7FAC is a high-performance Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It features 512 macrocells and supports up to 192 user I/O options, operating at a maximum frequency of 125 MHz with a typical propagation delay of 7.5 ns. The device utilizes E2CMOS technology for in-system programming via JTAG and operates on a 3.3 V supply voltage. It includes IEEE 1149.1 boundary scan compliance and PCI interface compatibility.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 512 macrocells and flexible logic allocator
• SpeedLocking feature ensures guaranteed fixed timing performance
• Supports 3.3 V operation with 5 V input tolerance for mixed-voltage systems
• JTAG-compliant in-system programming and boundary scan testing

Complex Programmable Logic Devices Applications

• PCI bus interface designs
• Mixed-voltage system integration
• High-speed data routing and switching

Complex Programmable Logic Devices Procurement Notes

Verify package availability as the datasheet lists multiple options including fpBGA and BGA. Confirm that the -7 speed grade meets specific timing requirements for the target application. Ensure design tools support the ispMACH 4A family for compilation and programming.

Complex Programmable Logic Devices Selection Notes

Select this model for applications requiring high pin counts and moderate speed. Compare against lower density variants like M4A3-384 if fewer macrocells suffice. Consider the -5 or -6 speed grades if faster performance is needed, noting potential trade-offs in power consumption.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A series, which offers a balance of performance and flexibility. It is designed for rapid prototyping and production using E2CMOS technology, allowing for non-volatile configuration storage without external memory.

Complex Programmable Logic Devices Replacement Considerations

Check for direct pin-compatible upgrades within the same family, such as the M4A3-512/-5 or M4A3-512/-6 variants, which offer different speed grades. Verify software toolchain compatibility when substituting speed grades.