AT40K40AL-1FQC

The AT40K40AL-1FQC is an SRAM-based Field Programmable Gate Array (FPGA) designed for high-performance embedded and DSP-oriented applications. The device combines distributed 10 ns SRAM, reconfigurable Cache Logic capability, and on-chip array multiplier support to accelerate computation-heavy functions such as filters, transforms and encryption.

With a 3.0 V–3.6 V supply range, 256 general-purpose I/Os, and a 304-pin BFQFP surface-mount package, this commercial-grade FPGA targets system designers needing programmable logic, embedded RAM, and flexible I/O in a compact surface-mount form factor.

Key Features

• SRAM-based FPGA Core Distributed SRAM architecture with Cache Logic dynamic reconfiguration enables in-system re-programmability and adaptive designs.
• Logic Capacity Approximately 2,304 logic elements (cells) and roughly 50,000 equivalent gates provide a mid-range logic resource for coprocessor and DSP tasks.
• Embedded Memory Approximately 18,432 bits of on-chip distributed SRAM available for single- or dual-port FIFO and scratch-pad implementations; 10 ns SRAM timing is supported.
• I/O and Interface 256 I/O pins with programmable output drive; device family supports PCI-compliant I/O options per the datasheet series characteristics.
• Clocking Eight global clocks and additional dedicated PCI clocks provide low-skew distribution and flexible clock edge programming for timing-critical designs.
• Performance Series-level characteristics include system speeds up to 100 MHz and array multiplier operation exceeding 50 MHz for arithmetic-intensive operations.
• Package & Mounting 304-pin BFQFP (also referenced as a 304-PQFP 40×40 supplier package) in a surface-mount configuration suitable for compact PCB layouts.
• Power & Environmental Voltage supply range 3.0 V to 3.6 V; commercial operating temperature 0 °C to 70 °C. RoHS compliant.

Typical Applications

• DSP and Signal Processing Implement FIR filters, FFTs, convolution and other arithmetic kernels using the on-chip multipliers and distributed SRAM.
• Coprocessor Acceleration Offload computation-intensive tasks from processors—image/video transforms, encryption, and multimedia algorithms—to a reprogrammable fabric.
• High-speed Interface Logic Use the programmable I/O and multiple clocks to implement custom bus bridges, protocol adapters or PCI-compliant interface logic.
• Adaptive & Reconfigurable Systems Leverage Cache Logic capability for partial or full in-system reconfiguration to update algorithms or coefficients without losing stored data.

Unique Advantages

• Reconfigurable Memory and Logic: Distributed 10 ns SRAM independent of logic elements lets you add FIFO and scratch-pad memory without sacrificing logic resources.
• Built for Arithmetic Performance: Eight-sided core cell topology and direct cell-to-cell connections enable fast array multipliers for arithmetic-intensive designs.
• Flexible Clocking: Multiple global clocks with programmable edge transitions and clock shutdown options simplify timing management and power control.
• Compact, Surface-Mount Package: 304-pin BFQFP package provides high I/O count in a compact footprint for space-constrained boards.
• Design Ecosystem Compatibility: Series-level documentation references support for industry-standard synthesis and CAD tools for streamlined design flow and migration.

Why Choose AT40K40AL-1FQC?

The AT40K40AL-1FQC delivers a balanced combination of mid-range logic capacity, embedded SRAM, and DSP-friendly features in a commercial-grade, surface-mount package. Its reconfigurable Cache Logic and distributed memory make it well suited for systems that require in-field updates, algorithm acceleration, or flexible interface logic.

Designers targeting multimedia processing, protocol bridging, or processor offload tasks will find the AT40K40AL-1FQC a pragmatic choice for reducing BOM complexity while retaining the ability to adapt designs in-system. The device’s supply range, I/O count and RoHS compliance support mainstream embedded applications with established toolchain support.

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