AT40K40AL-1BQC

The AT40K40AL-1BQC is a commercial-grade, SRAM-based field programmable gate array (FPGA) from Microchip Technology in the AT40KAL family. It delivers a balanced combination of on-chip logic, embedded RAM, and reconfigurability for high-performance embedded and DSP-oriented designs.

Designed for applications that require on-device memory, fast arithmetic blocks and flexible clocking, this device supports system voltages from 3.0 V to 3.6 V and comes in a 144‑LQFP (20×20) surface-mount package suitable for mainstream commercial electronics development.

Key Features

• Logic Capacity — 2,304 logic elements (cells) providing up to 50,000 equivalent gates for implementing combinational and sequential logic.
• Embedded Memory (FreeRAM) — Approximately 18,432 bits of distributed, 10 ns programmable SRAM enabling single/dual-port, synchronous or asynchronous memory functions without consuming logic resources.
• High-Speed Arithmetic — Family-level capabilities include array multipliers designed for >50 MHz operation and system speeds up to 100 MHz for computation-intensive tasks.
• Reconfiguration (Cache Logic) — Series Cache Logic allows dynamic full or partial in-system reconfigurability to update logic without data loss, supporting adaptive and fast-change designs.
• Clocking — Family architecture includes multiple global clocks for low-skew distribution and flexible edge/transitions to support timing-sensitive designs.
• I/O and Package — 114 I/O pins in a 144‑LQFP (20×20) surface-mount package; device supports industry-standard packaging for easy integration.
• Voltage and I/O Tolerance — Supply range 3.0 V–3.6 V; series documentation indicates 5 V I/O tolerance where supported by the family architecture.
• Commercial Temperature Grade — Rated for 0 °C to 70 °C operation for mainstream commercial applications.
• Standards & Toolflow — AT40KAL family supports PCI-compliant I/Os and is documented for use with common FPGA design flows and synthesis tools cited in the series datasheet.
• Compliance — RoHS compliant.

Typical Applications

• DSP Coprocessors — Implement FIR filters, FFTs, convolvers and other arithmetic accelerators that benefit from array multipliers and embedded SRAM.
• Multimedia & Video Processing — Suitable for video compression/decompression and other high-bandwidth signal-processing tasks where reconfigurable arithmetic and memory are valuable.
• Adaptive Systems — Use dynamic partial/full reconfiguration to update algorithms or coefficients in-system without losing stored data.
• Prototyping & System Integration — Combine logic, RAM and I/O in a single 144‑LQFP package to reduce PCB area and simplify board-level design for commercial products.

Unique Advantages

• Integrated Memory and Logic: Approximately 18,432 bits of distributed SRAM co-located with 2,304 logic elements reduces the need for external RAM in many designs.
• Reconfigurability: Cache Logic enables in-system dynamic reconfiguration, allowing adaptive updates to designs without interrupting stored data.
• High-Performance Arithmetic: Family-level array multiplier and timing characteristics enable efficient implementation of computation-heavy functions.
• Flexible Clocking: Multiple global clock resources support low-skew distribution and allow fine-grained control of timing domains.
• Commercial-Grade Integration: Surface-mount 144‑LQFP packaging, RoHS compliance and a 3.0 V–3.6 V supply range make the device straightforward to integrate into commercial electronic products.

Why Choose AT40K40AL-1BQC?

The AT40K40AL-1BQC brings a practical mix of logic density, embedded memory and reconfigurability for designers building commercial-grade, performance-sensitive systems. Its SRAM-based architecture and family capabilities for fast multipliers and dynamic reconfiguration make it well suited for DSP acceleration, multimedia processing and adaptive algorithm deployment.

This part is a strong choice for teams that need an FPGA with on-chip memory, flexible clocking and a compact 144‑LQFP surface-mount package, backed by family-level toolflow and design support documented in the AT40KAL series materials.

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