A42MX09-3PL84I

The A42MX09-3PL84I is a Field Programmable Gate Array (FPGA) from Microchip Technology designed for industrial applications requiring moderate logic capacity and flexible I/O. It provides a reconfigurable logic fabric with a compact PLCC package and a wide supply voltage window to accommodate varied system voltages.

Targeted at embedded and industrial markets, this device is suited for custom control, interface bridging, and peripheral logic tasks where predictable operating temperature range and surface-mount packaging are important design considerations.

Key Features

• Core and Logic 336 logic elements and approximately 14,000 gates provide the programmable logic resources for custom combinational and sequential functions.
• I/O Density 72 user I/O pins to support peripheral interfacing, control signals and multiple external devices.
• Voltage Supply Operates from 3 V to 5.5 V, enabling compatibility with both 3 V and 5 V system domains and a range of external logic levels.
• Package & Mounting 84-LCC (J-Lead) / 84-PLCC form factor (29.31 × 29.31 mm) in a surface-mount package for compact board implementations.
• Industrial Temperature Range Rated for operation from −40 °C to 85 °C, addressing the environmental needs of many industrial applications.
• Regulatory Compliance RoHS compliant for environmental and manufacturing compatibility.

Typical Applications

• Industrial Control — Implement custom control logic and sequencing for factory automation, motor controllers, and process equipment within industrial temperature ranges.
• Interface Bridging — Provide protocol adaptation and glue logic between legacy and modern peripherals using the device’s sizable I/O complement.
• Embedded System Integration — Offload deterministic timing and simple state machines from a host MCU to reduce software overhead and simplify board-level design.
• Peripheral and I/O Expansion — Add programmable I/O functions, timing generation, or simple signal conditioning for sensors and actuators.

Unique Advantages

• Industrial-grade operation: Specified −40 °C to 85 °C to meet the thermal requirements of many embedded and industrial systems.
• Flexible supply range: 3 V to 5.5 V operation allows deployment across systems using common 3 V and 5 V logic domains.
• Balanced logic capacity: 336 logic elements and ~14,000 gates provide a right-sized programmable resource for mid-complexity designs without unnecessary overhead.
• High I/O count: 72 user I/O pins enable direct connections to multiple peripherals, sensors, and external interfaces, reducing the need for additional I/O expanders.
• Compact surface-mount package: 84-LCC / PLCC package offers a standard footprint for compact board layouts while maintaining accessibility for configuration and routing.
• RoHS compliant: Conforms to environmental manufacturing requirements for modern production processes.

Why Choose A42MX09-3PL84I?

The A42MX09-3PL84I combines moderate programmable logic capacity with a high I/O count and a wide supply voltage range, making it a practical choice for engineers designing industrial and embedded systems that need flexible, board-level programmable logic. Its surface-mount 84-PLCC package and industrial temperature rating simplify integration into existing hardware platforms.

Backed by Microchip Technology, this FPGA is positioned for designers seeking a dependable, mid-range programmable device for control, interfacing, and peripheral logic tasks where predictable environmental performance and straightforward board-level implementation are required.

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