AT40K40AL-1BQU

The AT40K40AL-1BQU is an SRAM-based Field Programmable Gate Array (FPGA) in a 144-LQFP (20×20) package engineered for commercial-grade embedded designs. It implements a dense array of logic elements with distributed 10 ns SRAM, multi-clock support and reconfigurability features drawn from the AT40KAL family.

This device targets applications that require on-chip memory, configurable I/O and high-performance logic for signal processing, coprocessing and flexible digital acceleration. Key value propositions include integrated distributed RAM, multi-clock capability and a compact surface-mount package for space-constrained PCBs.

Key Features

• Logic Capacity: 2,304 logic elements (cells) providing a scalable resource for medium-complexity FPGA designs and custom logic implementation.
• Embedded SRAM: 18,432 bits of distributed on-chip SRAM (approximately 0.018 Mbits) usable as single/dual port, synchronous/asynchronous RAM blocks for FIFOs, buffers and scratch memory.
• I/O Resources: 114 user I/Os in a 144-LQFP package with programmable output drive suitable for mixed-signal interfaces on 3.3 V-based systems.
• Performance Characteristics: Series-level system speeds to 100 MHz and array multipliers operating >50 MHz as documented for the AT40KAL family; 10 ns SRAM timing supports high-speed memory access patterns.
• Clocking: Multi-clock architecture with eight global clocks and distributed low-skew clock routing to support synchronous designs and timing-critical partitions.
• Reconfigurability: Cache Logic capability in the AT40KAL family enables dynamic partial or full in-system reconfiguration and unlimited reprogramming via serial or parallel modes.
• Package & Mounting: 144-LQFP (20×20) surface-mount package for standard PCB assembly; supplier device package listing confirms 144-LQFP.
• Power & Temperature: Supply voltage range 3.0 V to 3.6 V and commercial operating temperature range 0 °C to 70 °C.
• Compliance: RoHS compliant, supporting regulatory and assembly requirements for lead-free manufacturing.

Typical Applications

• DSP and Coprocessing: Implement FIR filters, FFTs, convolvers or other arithmetic accelerators using the device’s distributed RAM and array multiplier-friendly cell architecture.
• Video and Multimedia Processing: Use on-chip RAM and reconfigurability to store coefficients and rapidly update vector multipliers for compression, decompression or image processing tasks.
• Industrial and Embedded Control: Provide configurable control logic, I/O aggregation and timing management for embedded controllers and automation modules within commercial temperature ranges.
• Prototype and Reconfigurable Systems: Leverage unlimited in-system reprogramming and partial reconfiguration for adaptive algorithms and rapid design iteration.

Unique Advantages

• Balanced Logic and Memory: 2,304 logic elements combined with 18,432 bits of distributed SRAM enable designs that require both combinational logic and on-chip storage without external memory.
• Flexible Clocking: Multiple global clocks and low-skew distribution make timing partitioning and synchronous design straightforward for complex logic blocks.
• Reconfiguration Options: Series-level Cache Logic and in-system reprogramming allow adaptive designs and field updates without removing the device from the board.
• Compact, Assembly-Ready Package: 144-LQFP surface-mount package provides a standard footprint for automated PCB assembly while offering ample I/O for peripheral interfaces.
• Design Ecosystem Compatibility: The AT40KAL family supports standard synthesis and design flows documented in the datasheet, simplifying integration into established toolchains.

Why Choose AT40K40AL-1BQU?

The AT40K40AL-1BQU positions itself as a practical, reconfigurable FPGA choice for commercial embedded projects that need a blend of logic density, distributed on-chip SRAM and flexible I/O in a compact LQFP package. Its operating voltage range of 3.0–3.6 V and commercial temperature rating make it suitable for typical board-level applications where in-system reconfigurability and memory-backed logic are key requirements.

For engineering teams building DSP accelerators, configurable controllers or prototypes that require iterative updates, the device’s combination of logic elements, embedded RAM and multi-clock capability delivers a scalable platform with established series-level features documented in the AT40KAL family datasheet.

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