A42MX24-2PL84

Overview

The A42MX24-2PL84 is a Field Programmable Gate Array (FPGA) from the Microchip MX Automotive Family. It features 36,000 system gates and 912 logic elements within a PLCC-84 package. The device supports mixed-voltage operation at 3.3 V or 5 V core supplies with PCI-compliant I/Os. It includes up to 2.5 kbits of configurable dual-port SRAM and fast wide-decode circuitry. Key specifications include deterministic timing, user-controllable delays, and IEEE 1149.1 JTAG boundary scan support for verification.

Feature Summary

• Single-chip ASIC alternative offering high resource utilization and 100% pin fixing capabilities
• Deterministic, user-controllable timing architecture suitable for complex logic designs
• Integrated Silicon Explorer II for unique in-system diagnostic capability

Applications

• Automotive applications requiring single-chip ASIC alternatives
• Industrial control systems utilizing mixed-voltage interfaces
• Military and aerospace environments using qualified plastic packages

Procurement Notes

Verify component authenticity through authorized Microchip distributors or direct manufacturer channels. Confirm RoHS compliance status as specific variants may differ. Check for End-of-Life notifications or Product Change Notices regarding discontinuation. Ensure supply chain stability given the mature nature of this FPGA family.

Selection Notes

Select the A42MX24-2PL84 when 36,000 system gates and 72 I/O pins are required in a PLCC-84 footprint. Consider this part for designs needing mixed 3.3V/5V I/O compatibility. Evaluate thermal performance within the specified operating temperature range. Compare against higher-capacity models if additional logic resources are anticipated.

Part Context

This component belongs to the Actel/Microchip MX series of flash-based FPGAs. These devices are designed to replace complex discrete logic or custom ASICs. The MX family emphasizes low power consumption and non-volatile configuration storage without external memory requirements.

Replacement Considerations

Publicly confirmed substitute part numbers for the A42MX24-2PL84 are not available in the provided documentation. Users should consult Microchip's official obsolescence notices or engineering support for recommended migration paths to current FPGA families.