A54SX32A-FFGG256

The A54SX32A-FFGG256 is a member of the SX-A family of nonvolatile, single-chip Field Programmable Gate Arrays from Microchip Technology. This device combines up to 48,000 system gates and approximately 2,880 logic elements with a 256‑pin fine‑pitch BGA package and 203 user-programmable I/Os.

Designed for applications that require configurable mixed‑voltage I/O, deterministic timing, in-system diagnostics and secure programming, the A54SX32A-FFGG256 delivers high I/O density and flexible I/O standards while operating from a 2.25 V to 5.25 V supply range in a commercial temperature range (0 °C to 70 °C).

Key Features

• Core Performance — Family specifications include up to 250 MHz system performance and up to 350 MHz internal performance; device capacity is specified at 48,000 system gates and approximately 2,880 logic elements.
• Logic and Flip‑Flops — Supports dedicated flip‑flops as provided by the SX‑A family architecture for predictable, user‑controllable timing.
• Configurable Mixed‑Voltage I/O — I/O supports 3.3 V/5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2 signaling with 5 V input tolerance and 5 V drive strength where supported.
• Hot‑Swap and Power‑Sequencing Friendly — Hot‑swap compliant I/Os and power‑up/power‑down friendly operation with no supply sequencing required simplify system integration.
• I/O Control and Reliability — Configurable weak pull‑up or pull‑down at power‑up, individual output slew‑rate control, and support for up to 100% resource utilization and 100% pin locking.
• Security and Testability — Actel Secure Programming Technology with FuseLock™ to protect designs and boundary‑scan testing compliant with IEEE 1149.1 (JTAG) for board‑level testability.
• Package and Electrical — Surface‑mount 256‑FPBGA (17 mm × 17 mm) package, 203 user I/Os, and supply voltage range from 2.25 V to 5.25 V. RoHS compliant.
• Tooling and Diagnostics — Family features include in‑system diagnostic and verification capability via Silicon Explorer II (as supported by SX‑A family documentation).

Typical Applications

• High‑I/O Interface Control — Use the 203 user‑programmable I/Os and mixed‑voltage support to bridge and manage multiple interface standards on a single device.
• PCI‑Compatible Designs — 66 MHz PCI compliance and configurable 3.3 V/5 V PCI I/O support facilitate use in PCI interfacing or legacy PCI environments.
• Board‑Level Test and Security — Boundary‑scan (JTAG) support and FuseLock™ secure programming enable streamlined test coverage and intellectual‑property protection.
• Systems Requiring Hot‑Swap Capability — Hot‑swap compliant I/Os and power‑friendly behavior allow safe insertion and removal in live systems where supported.

Unique Advantages

• High I/O Density in a Compact BGA: 203 user I/Os in a 256‑pin fine‑pitch BGA package reduce board area while supporting complex interfacing.
• Flexible Voltage Support: Broad supply range (2.25 V–5.25 V) and configurable I/O standards simplify mixed‑voltage system design and integration.
• Nonvolatile Single‑Chip FPGA: Single‑chip nonvolatile architecture removes the need for external configuration memory and simplifies power‑up behavior.
• Security‑Focused Programming: FuseLock™ secure programming technology helps protect designs against reverse engineering.
• Deterministic Timing and Full Utilization: Deterministic, user‑controllable timing and support for up to 100% resource utilization and pin locking aid predictable design closure.
• Test and Diagnostic Support: Boundary‑scan (IEEE 1149.1) and in‑system diagnostic capability with Silicon Explorer II enable verification and debug at board level.

Why Choose A54SX32A-FFGG256?

The A54SX32A-FFGG256 provides a balanced combination of gate density (48,000 system gates), approximately 2,880 logic elements and a high I/O count in a compact 256‑FBGA package, making it suitable for designs that require mixed‑voltage interfacing, secure programming and robust test support. Its nonvolatile single‑chip architecture and power‑friendly I/O behavior simplify system integration and configuration management.

As a commercial‑grade device with a 0 °C to 70 °C operating range and RoHS compliance, the A54SX32A-FFGG256 is positioned for mainstream embedded applications that value predictable timing, flexible I/O standards and board‑level testability backed by the SX‑A family documentation and tooling.

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