AT40K20LV-3AQC

The AT40K20LV-3AQC is an SRAM-based FPGA in the AT40K/AT40KLV family, optimized for mid-range logic and embedded memory requirements. It provides 1,024 logic elements, approximately 8,192 bits of distributed on-chip RAM, and 78 general-purpose I/Os in a 100‑pin TQFP (14×14) surface-mount package.

Designed for high-performance embedded and DSP-oriented tasks, the family-level architecture offers features such as 10 ns on-chip SRAM, multi-clock distribution, and dynamic reconfigurability to support computation-intensive functions and adaptive designs.

Key Features

• Core Logic — 1,024 logic elements (cells) and approximately 30,000 gates provide mid-range programmable logic capacity for control, datapath, and accelerator functions.
• Embedded Memory (FreeRAM) — 8,192 bits of distributed SRAM with 10 ns access characteristics (family feature) for single/dual-port, synchronous or asynchronous RAM functions without consuming logic resources.
• I/O Count — 78 user I/Os available for interfacing to peripherals and external devices, enabling flexible pin assignments in the 100‑TQFP package.
• Clocking — Family architecture includes up to 8 global clocks and fast, low-skew distribution suitable for multi-clock designs and timing-sensitive applications.
• Performance Characteristics — Family documentation cites system speeds to 100 MHz and array multipliers exceeding 50 MHz, supporting DSP and high-throughput logic operations.
• Package & Mounting — 100‑TQFP (14×14) surface-mount package provides a compact footprint for board-level integration.
• Power & Temperature — Operates from 3.0 V to 3.6 V supply and specified for commercial-grade operating temperatures of 0 °C to 70 °C.
• Compliance — RoHS compliant for environmental regulatory requirements.

Typical Applications

• DSP Coprocessors — Implement array multipliers, FIR filters and arithmetic accelerators to offload computational workloads from a host processor.
• Video and Multimedia Processing — Use on-chip RAM and fast array multipliers for functions such as video compression/decompression and FFTs where mid-range gate counts suffice.
• Encryption & Security — Deploy custom logic and memory-managed state machines for encryption, decryption, and related data-processing tasks.
• Adaptive and Reconfigurable Systems — Leverage the family’s dynamic partial/full re-configurability to update coefficients or logic in-system without losing stored data.

Unique Advantages

• Balanced Logic and Memory — Combines 1,024 logic elements with 8,192 bits of distributed SRAM to support DSP-like algorithms and control logic in a single device, reducing external memory needs.
• Multi-Clock Flexibility — Multiple global clocks with low skew enable deterministic timing across distinct functional blocks.
• Fast On-Chip RAM — 10 ns SRAM performance (family feature) supports FIFO, scratchpad, and coefficient storage without sacrificing logic resources.
• Compact, Surface-Mount Package — 100‑TQFP (14×14) offers a space-efficient solution for board-level designs while keeping I/O accessible.
• Commercial-Grade Operation — Specified for 0 °C to 70 °C and 3.0–3.6 V supply, suitable for mainstream embedded electronics and product development.
• Design Flow Compatibility — Family documentation indicates integration with industry-standard design tools and automatic component generators to streamline synthesis and implementation.

Why Choose AT40K20LV-3AQC?

The AT40K20LV-3AQC positions itself as a capable, mid-range FPGA that combines a useful balance of logic elements, on-chip RAM, and I/O in a compact 100‑TQFP package. It is well suited to designers who need embedded memory close to logic for DSP acceleration, adaptive algorithms, and moderate gate-count custom logic.

With support for multiple global clocks, fast on-chip RAM, and family-level reconfigurability and toolchain integration, this device provides a pragmatic platform for prototyping and deploying computation-intensive features while minimizing external components and board complexity.

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