A42MX36-1PQ208

Overview

The A42MX36-1PQ208 is a high-performance Field Programmable Gate Array (FPGA) from the Microchip MX family, designed as a single-chip ASIC alternative. It features 54,000 system gates and 2,438 Configurable Logic Blocks (CLBs). The device supports mixed-voltage operation with supply voltages of 3V to 3.6V for the core and 4.75V to 5.25V for I/Os. It is housed in a 208-BFQFP package with 176 user-programmable I/O pins. Key specifications include 2,560 bits of embedded RAM, a maximum clock frequency of 100 MHz, and a typical clock-to-out delay of 5.6 ns. The component operates within a commercial temperature range of 0°C to 70°C.

Feature Summary

• Provides high-density logic capacity suitable for replacing multiple PALs, CPLDs, and FPGAs in a single chip.
• Supports mixed-voltage operation allowing flexible integration of 5.0V and 3.3V components.
• Includes fast wide-decode circuitry for efficient address decoding and peripheral bus interfacing.

Applications

• High-speed controllers
• Peripheral bus interfaces
• DSP and co-processor functions

Procurement Notes

Verify the specific suffix against official datasheets, as ordering codes may indicate variations in speed grade or package type. Confirm current availability status, as this part number may be subject to discontinuation notices. Ensure compliance with RoHS and REACH regulations required for your region. Check for any Product Change Notices (PCN) regarding manufacturing site changes or software updates that might affect long-term support.

Selection Notes

Select this model when design requirements exceed the capacity of smaller MX devices like the A42MX16 or A42MX24. Consider the 208-pin QFP package constraints for PCB layout and thermal management. Evaluate if the 100 MHz performance meets timing closure needs for synchronous designs. Verify that the 176 available I/O pins are sufficient for the target interface count without requiring additional multiplexing.

Part Context

This component belongs to the Microsemi/Microchip 40MX and 42MX FPGA families, which are known for cost-effective 5V solutions. These devices bridge the gap between complex PLDs and larger FPGAs, offering deterministic timing and pin-locking capabilities. The MX series is widely used in industrial and automotive applications where reliability and ease of integration are critical.

Replacement Considerations

Direct replacements may include other variants within the A42MX36 family, such as the A42MX36-1PQG208 or A42MX36-CQ208, depending on package and speed grade requirements. Cross-reference with A42MX16 or A42MX24 models only if reduced gate count is acceptable. Verify pin compatibility before substituting different package types.