AT40K20-2AJI

The AT40K20-2AJI is an SRAM-based Field Programmable Gate Array (FPGA) from Microchip Technology’s AT40K family. This device integrates approximately 1,024 logic elements with 8,192 bits of distributed on-chip RAM (FreeRAM) in an 84‑lead PLCC (J‑lead) package, targeting medium-density programmable logic needs.

Designed for embedded and industrial applications, the AT40K20-2AJI supports high-speed arithmetic and control functions — suitable for DSP coprocessor roles, data processing, and other tasks that benefit from on-chip RAM and reconfigurable logic in a 5 V supply environment.

Key Features

• Logic Capacity  Approximately 1,024 logic elements (cells) enabling medium-density logic implementations and custom combinational/sequential functions.
• Embedded Memory (FreeRAM)  8,192 bits of distributed, flexible on-chip SRAM; supports single/dual-port and synchronous/asynchronous operation with 10 ns class access time per the series specification.
• Performance  Series-level capabilities include system speeds to 100 MHz and array multiplier performance >50 MHz, enabling accelerated arithmetic operations (series data).
• I/O and Drive  62 user I/O pins for external interfacing and peripheral connectivity in the PLCC package.
• Clocking  Series features include multiple global clocks and programmable clock control which support low-skew distribution and flexible timing management.
• Supply and Mounting  Operates from 4.5 V to 5.5 V and is available in a surface-mount 84‑PLCC (29.31 × 29.31 mm) package with J‑lead (84‑LCC) terminations.
• Industrial Temperature Range  Rated for operation from −40 °C to 85 °C, suited for industrial environments.
• Standards & Compliance  RoHS compliant.

Typical Applications

• DSP Coprocessors  Implement arithmetic-intensive blocks such as FIR filters and FFTs using on-chip multipliers and FreeRAM for coefficient and data storage.
• Video and Multimedia Processing  Accelerate vector and array operations for codecs, compression/decompression, and other media pipelines leveraging the device’s array multiplier and embedded SRAM.
• Encryption and Signal Processing  Custom cryptographic engines and convolutional transforms can be mapped to the FPGA’s logic and distributed RAM for low-latency processing.
• Industrial Control  Control logic, sensor interfacing, and protocol handling in industrial systems using the device’s I/O, temperature range, and 5 V supply compatibility.

Unique Advantages

• Flexible On-Chip Memory: The AT40K20-2AJI’s 8,192 bits of distributed FreeRAM enable efficient buffer, FIFO, and coefficient storage without consuming logic elements.
• Medium-Density Programmability: Approximately 1,024 logic elements provide a compact, reprogrammable platform for consolidating glue logic, control functions, and moderate DSP tasks on a single device.
• 5 V System Compatibility: With a 4.5–5.5 V supply range, the device integrates into legacy 5 V systems while supporting industrial deployment across −40 °C to 85 °C.
• Package and Mounting Flexibility: Available in an 84‑lead PLCC (J‑lead) surface-mount package (29.31 × 29.31 mm) for board-level designs that require PLCC form factor.
• Series-Level Performance Features: Series capabilities such as 10 ns SRAM access, array multipliers, and multi-clock support enable higher-throughput designs when leveraged by appropriate tool flows and design practices.
• RoHS Compliant: Meets RoHS requirements for lead-free manufacturing processes.

Why Choose AT40K20-2AJI?

The AT40K20-2AJI positions itself as a reliable medium-density SRAM-based FPGA for industrial and embedded designs that require on-chip memory, reprogrammability, and 5 V operation. Its combination of approximately 1,024 logic elements, 8,192 bits of distributed FreeRAM, and series-level performance features makes it suitable for offloading DSP tasks, accelerating data-path operations, and consolidating control logic in compact PLCC packages.

Engineers seeking a reconfigurable device with industrial temperature capability and PLCC mounting can leverage the AT40K20-2AJI to simplify BOM and enable adaptable, field-updatable functionality while maintaining compatibility with 5 V system environments.

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