A54SX32-2PQG208I

The A54SX32-2PQG208I is an industrial-grade SX-A family FPGA from Microchip Technology offered in a 208-pin BFQFP surface-mount package. It provides a nonvolatile, single-chip FPGA solution with 2,880 logic elements and 174 user I/Os, making it suitable for embedded and industrial designs that require persistent configuration and flexible I/O support.

Designed for mixed-voltage systems and PCI-capable interfaces, this device targets applications that need high I/O density, deterministic timing, and secure in-system programming in an industrial temperature range.

Key Features

• Core performance — Series-level performance characteristics include up to 250 MHz system performance and up to 350 MHz internal performance.
• Logic resources — Approximately 48,000 system gates and 2,880 logic elements provide a balance of logic capacity for mid-range FPGA designs.
• I/O and interfacing — 174 user-programmable I/Os with configurable support for 5 V TTL, 3.3 V LVTTL, 2.5 V LVCMOS2 and 3.3 V/5 V PCI signalling; I/Os include 5 V input tolerance and selectable drive strength.
• Nonvolatile configuration & security — Single-chip nonvolatile architecture with FuseLock secure programming technology for protection of design IP and prevention of reverse engineering.
• Power and voltage — Wide supply range from 3 V to 5.5 V and power-up/power-down friendly operation without sequencing required for supply voltages.
• Package & mounting — 208-BFQFP package case (supplier device package: 208-PQFP, 28×28) in a surface-mount form factor, enabling compact board-level integration.
• Temperature grade — Industrial temperature operation from -40°C to +85°C for deployment in temperature-variable environments.
• System-level features — Series supports deterministic, user-controllable timing, boundary-scan (JTAG) testing, hot-swap compliant I/Os and configurable weak pull-ups/pull-downs at power-up.
• Memory — No dedicated on-chip RAM (Total RAM Bits: 0); logic and flip‑flop resources are available for implementing state and control logic.
• Standards & diagnostics — Series includes 66 MHz PCI compliance and in-system diagnostic/verification support through Silicon Explorer II (series feature).
• Compliance — RoHS compliant.

Typical Applications

• PCI peripherals and bridge logic — Use the device’s 66 MHz PCI compliance and 5 V–tolerant I/Os to implement PCI endpoints, bridges, and board-level interface logic.
• Industrial embedded control — Industrial temperature rating combined with high I/O density and 2,880 logic elements supports control, monitoring, and interface tasks in industrial systems.
• Secure, persistent FPGA logic — Nonvolatile single-chip configuration and FuseLock secure programming make it suitable for applications that require retained configuration and IP protection.
• Mixed-voltage system integration — Configurable I/Os and mixed-voltage operation allow direct interfacing with legacy 5 V peripherals and modern 3.3 V/2.5 V devices without extensive level-shifting.

Unique Advantages

• Nonvolatile, single-chip configuration: Eliminates the need for external configuration memory and simplifies board-level BOM and boot-up behavior.
• Flexible I/O voltage support: Configurable I/O standards and 5 V input tolerance reduce external level-shifting and ease integration with mixed-voltage systems.
• Industrial temperature rating: Rated for -40°C to +85°C operation for reliable deployment in temperature-variable industrial environments.
• High I/O density in a compact package: 174 user I/Os in a 208-pin BFQFP allow dense external connectivity without moving to larger, more expensive packages.
• Security and IP protection: FuseLock programming technology provides built-in protection against reverse engineering and unauthorized readout of the FPGA design.
• Deterministic timing and system diagnostics: Series-level deterministic timing control and in-system diagnostic capabilities support predictable performance and easier validation.

Why Choose A54SX32-2PQG208I?

The A54SX32-2PQG208I combines an SX-A family FPGA architecture with industrial-grade attributes to deliver a compact, nonvolatile programmable logic solution. With 2,880 logic elements, 174 user I/Os, wide supply voltage range (3 V–5.5 V) and -40°C to +85°C operation, it addresses mid-range embedded and industrial applications that require persistent configuration, mixed-voltage interfacing, and secure IP protection.

This device is suited to designers looking for a programmable, single-chip FPGA solution that reduces external configuration components, simplifies mixed-signal board integration, and offers series-level features such as PCI compatibility, deterministic timing, and boundary-scan testability.

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