M4A3-256/128-10YC

Complex Programmable Logic Devices Overview

The M4A3-256/128-10YC is a 3.3-V ispMACH 4A CPLD featuring 256 macrocells and up to 192 user I/Os. It operates at a maximum frequency of 154 MHz with a typical propagation delay of 7.5 ns. The device utilizes E2CMOS technology for non-volatile configuration via JTAG (IEEE 1149.1). Key architectural features include a central switch matrix, flexible logic allocator, and output switch matrix ensuring 100% pin-out retention. It supports mixed-voltage system designs and includes programmable security bits.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with up to 192 User I/O options
• High-speed performance: 154 MHz fCNT and 7.5 ns tPD
• Central switch matrix architecture for 100% routability
• JTAG-compliant in-system programming and boundary scan

Complex Programmable Logic Devices Applications

• PCI compliant interface logic
• Mixed supply voltage system integration
• Complex state machine implementation
• High-density protocol bridging

Complex Programmable Logic Devices Procurement Notes

Verify the specific package type associated with the 'YC' suffix against official Lattice documentation, as datasheet references may vary. Confirm RoHS compliance status and lead-free availability for current manufacturing lots. Ensure design tools support the ispMACH 4A family for proper compilation and timing analysis.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring high I/O density (up to 192) within a single CPLD. The 10 speed grade offers a balance between performance and power consumption suitable for commercial applications. Consider the 256 macrocell capacity for complex logic functions that exceed standard PAL capabilities without resorting to FPGA architectures.

Complex Programmable Logic Devices Part Context

Part of the ispMACH 4A family, which bridges the gap between traditional PLDs and FPGAs. The M4A3 series specifically targets 3.3-V applications, offering flexibility for modern digital systems while maintaining compatibility with legacy 5-V interfaces through built-in safety features.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include M4A3-256 variants with different speed grades or package options. Verify pinout compatibility if substituting with other M4A3-256 models to ensure seamless integration into existing PCB layouts.