AT40K40-2BQI

The AT40K40-2BQI is an SRAM-based FPGA in a 144-LQFP (20×20) surface-mount package designed for industrial applications. It implements 2,304 logic elements with approximately 18,432 bits of distributed on-chip RAM and up to 114 I/O pins, enabling reconfigurable digital logic, on-chip memory and high-density interfacing in a single device.

Built for high-performance and flexible system design, this device targets compute- and I/O-intensive tasks such as DSP coprocessing, multimedia processing and general-purpose embedded logic where in-system re-programmability, fast memory access and multi-clock distribution are required.

Key Features

• Core Logic – 2,304 logic elements (cells) providing support for up to 50,000 usable gates suitable for mid-range FPGA designs.
• Embedded Memory (FreeRAM) – Approximately 18,432 bits of distributed, flexible 10 ns SRAM that can be used as single- or dual-port, synchronous or asynchronous memory for FIFOs, scratch pads and coefficient storage.
• I/O and Voltage – 114 I/O pins with 3V/5V capability described in the family; this device is specified for a 5 V supply range of 4.5 V to 5.5 V.
• Clocking – Up to 8 global clocks with low-skew distribution, programmable edge polarity and dedicated PCI clocks for multi-clock system partitioning and low-power management.
• Performance – System speeds reported to 100 MHz with array multipliers performing above 50 MHz and 10 ns SRAM access for high-throughput arithmetic and data-path operations.
• Dynamic Reconfigurability (Cache Logic) – Support for full/partial in-system re-configurability to update logic or coefficients without losing device data, enabling adaptive designs and fast vector multiplier updates.
• Package & Mounting – 144-LQFP (20×20) surface-mount package suitable for standard PCB assembly and industrial-grade operating conditions.
• Operating Range & Reliability – Industrial-grade device with operating temperature from –40°C to 85°C and RoHS compliance.
• Design Ecosystem – Family-level support for industry-standard design tools and automatic component generators for DSP and system-level IP integration.

Typical Applications

• DSP Coprocessing – Implement FIR filters, FFTs, convolvers and other arithmetic-intensive functions using the device’s array multipliers and on-chip SRAM for coefficient and data storage.
• Video and Multimedia Processing – Use the reconfigurable logic and embedded memory to accelerate video compression, decompression and transform algorithms (DCT, FFT) in system designs.
• High-density I/O and System Glue – Leverage 114 I/O pins and programmable output drive to implement bus interfacing, protocol conversion and high-speed peripheral control.
• Adaptive and Reconfigurable Systems – Take advantage of in-system partial/full reconfiguration to update algorithms or system functions in deployed hardware without full device replacement.

Unique Advantages

• Flexible On-chip Memory: Distributed 10 ns FreeRAM provides low-latency single- or dual-port memory independent of logic resources, simplifying FIFO and buffer implementations.
• Multi-clock Architecture: Eight global clocks and dedicated PCI clocks enable clean partitioning of timing domains and scalable performance across complex designs.
• Reconfigurability for Adaptive Designs: Cache Logic allows full or partial in-system reconfiguration so systems can be updated or optimized in the field.
• Industrial Temperature Range: Specified operation from –40°C to 85°C makes the device suitable for demanding environmental conditions.
• Standard Package Footprint: 144-LQFP package eases PCB layout and assembly while supporting a dense pin count and robust mechanical footprint.
• Toolchain Integration: Family-level support for industry-standard synthesis, simulation and placement/routing tools helps shorten time-to-market.

Why Choose AT40K40-2BQI?

The AT40K40-2BQI offers a balanced combination of mid-range logic capacity, fast embedded SRAM and comprehensive clocking features in an industrial-grade 144-LQFP package. Its reprogrammable SRAM-based architecture and Cache Logic capability make it a practical choice for systems that require in-field updates, DSP acceleration and flexible I/O handling.

This device is well suited for engineers and designers building industrial and multimedia systems that need deterministic memory access, multi-clock management and the ability to evolve hardware functionality without full hardware replacement. The product’s compatibility with industry-standard design tools and reusable IP generators supports efficient development and long-term design scalability.

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