A54SX32A-1BG329

The A54SX32A-1BG329 is an SX-A family FPGA in a 329-ball BGA package, offering a nonvolatile, single-chip programmable logic solution from Microchip Technology. This device provides 48,000 system gates and 2,880 logic elements (cells) with 249 user I/Os for flexible system integration.

Designed for mixed-voltage, single-chip applications, the device supports configurable I/O standards and hot-swap friendly operation while delivering family-level performance up to 250 MHz system frequency and 350 MHz internal performance as documented for the SX-A series.

Key Features

• Core Capacity — 48,000 system gates and 2,880 logic elements (cells) provide substantial programmable logic resources for glue logic, protocol handling, and custom datapaths.
• User I/O — 249 user-programmable I/Os with configurable pull-up/pull-down behavior at power-up and individual output slew-rate control for signal integrity management.
• Voltage & Mixed-Voltage Support — Operates across 2.25 V to 5.25 V supply range and supports mixed 2.5 V, 3.3 V and 5 V operation with 5 V input tolerance and 5 V drive strength (per SX-A family data).
• Performance — SX-A series performance indicators include up to 250 MHz system performance and up to 350 MHz internal performance.
• Configuration & Nonvolatile Operation — Single-chip nonvolatile architecture eliminates external configuration memory and supports power-up/power-down friendly behavior without supply sequencing.
• PCI & I/O Compatibility — Family-level compatibility with 66 MHz PCI signaling and configurable support for 3.3 V/5 V PCI, 5 V TTL, 3.3 V LVTTL, and 2.5 V LVCMOS2 I/O standards.
• Security & Test — Actel Secure Programming Technology (FuseLock™) and IEEE 1149.1 (JTAG) boundary-scan support for design protection and in-system testing (per SX-A family documentation).
• Package & Mounting — 329-ball BGA (supplier package: 329-PBGA, 31×31) with surface-mount mounting type for board-level integration.
• Environmental & Grade — Commercial temperature grade (0 °C to 70 °C) and RoHS compliant.
• Embedded Memory — No embedded RAM on-chip (0 total RAM bits).

Typical Applications

• PCI-based systems — Use for logic, bridging, or glue functions in systems that require 66 MHz PCI compatibility and mixed-voltage I/O support.
• Mixed-voltage embedded designs — Ideal where 2.5 V, 3.3 V and 5 V interfaces must coexist, leveraging 5 V input tolerance and configurable I/O standards.
• Nonvolatile programmable logic — Single-chip nonvolatile configuration suits designs that benefit from instant-on behavior and no external configuration memory.
• In-system test and security — Boundary-scan (IEEE 1149.1) support and secure programming features assist manufacturing test and IP protection workflows.

Unique Advantages

• Flexible mixed-voltage I/O: Supports multiple I/O standards and mixed-voltage operation to reduce level-shifting components and simplify board design.
• Nonvolatile, single-chip solution: Eliminates the need for external configuration memory, reducing BOM and improving system reliability at power-up.
• High I/O count in BGA footprint: 249 user I/Os in a 329-ball BGA package maximize signal density for complex interfaces while keeping a compact board footprint.
• Security and testability: On-device secure programming (FuseLock™) and IEEE 1149.1 boundary-scan support protect IP and streamline production test.
• Commercial-grade suitability: Rated for 0 °C to 70 °C operation and RoHS compliant for standard commercial applications.
• Deterministic performance characteristics: Documented SX-A family timing and performance figures (250 MHz system, 350 MHz internal) support predictable design margins.

Why Choose A54SX32A-1BG329?

The A54SX32A-1BG329 delivers a balance of programmable logic capacity (48,000 system gates, 2,880 logic elements) and high I/O density (249 pins) in a compact 329-ball BGA package. Its nonvolatile architecture, configurable mixed-voltage I/Os, and family-provided performance metrics make it a practical choice for embedded systems that require robust, in-system programmable logic without external configuration components.

This device suits designers seeking a commercially graded FPGA with secure programming, boundary-scan testability, and voltage flexibility. Its combination of integration, I/O configurability, and documented SX-A family capabilities supports scalable designs and streamlines board-level implementation.

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