A42MX09-TQ176M

Overview

The A42MX09-TQ176M is a Field Programmable Gate Array (FPGA) from the Microsemi MX family, designed as a single-chip ASIC alternative. It features 14,000 system gates and 336 Logic Elements within a 176-pin TQFP package. The device supports mixed-voltage operation with supply ranges of 3V to 3.6V or 4.5V to 5.5V. It includes up to 2.5 kbits of configurable dual-port SRAM for embedded memory functions. The component offers high performance with clock-to-out delays as low as 5.6 ns and supports deterministic timing with 100% pin locking capabilities.

Feature Summary

• Single-chip solution integrating logic previously requiring multiple PALs, CPLDs, or FPGAs
• Mixed-voltage operation capability supporting both 3.3V and 5.0V core and I/O configurations
• Configurable dual-port SRAM providing embedded memory resources for data storage
• Deterministic user-controllable timing with full resource utilization and pin locking

Applications

• High-speed controllers and address decoding systems
• Peripheral bus interface implementations
• DSP and co-processor function integration

Procurement Notes

Verify the specific suffix 'M' against official Microchip documentation to confirm temperature grade and RoHS status, as standard variants may differ. Check current product lifecycle status, as many MX series components are discontinued or subject to PCN changes. Confirm moisture sensitivity level (MSL 3) handling requirements prior to assembly.

Selection Notes

Select this model when a cost-effective FPGA replacement for legacy CPLD designs is required. Ensure the 176-pin TQFP footprint matches the target PCB layout. Verify that the 14,000 gate count and available I/O pins meet the design complexity. Confirm voltage domain compatibility if mixing 3.3V and 5V signals on the same chip.

Part Context

This component belongs to the Microsemi 40MX and 42MX FPGA families, which were originally developed by Actel before acquisition by Microsemi and subsequently Microchip Technology. These devices are known for non-volatile flash-based technology, eliminating the need for external configuration memory. The MX series targets applications requiring high density in small packages with low power consumption.

Replacement Considerations

Direct replacements include other members of the A42MX09 series such as A42MX09-1TQ176I or A42MX09-FTQG176, depending on temperature range and RoHS compliance needs. Cross-family migration to newer Microchip PolarFire or IGLOO2 series may be necessary for long-term supply assurance.