A54SX16A-2TQ100I

The A54SX16A-2TQ100I is a member of the SX-A family of nonvolatile, single-chip FPGAs. It provides 24,000 system gates with 1,452 logic elements and 81 user I/Os in a 100-pin LQFP package, designed for industrial operating ranges.

Built for mixed-voltage interfacing and deterministic timing, the device supports a wide supply range (2.25 V to 5.25 V) and an operating temperature range of −40 °C to 85 °C, making it suitable for industrial embedded designs requiring secure configuration and in-system verification.

Key Features

• Core Capacity 24,000 system gates and 1,452 logic elements provide a mid-range logic fabric suitable for control, glue-logic and mid-density FPGA tasks.
• Flip-Flop Resources (Family) SX-A family devices support up to 2,012 dedicated flip-flops at the family level for register-rich designs.
• I/O Flexibility 81 user I/Os with configurable support for 3.3 V / 5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2. I/Os are hot-swap compliant and power-up/power-down friendly with configurable weak pull-up/down at power-up.
• Performance Family performance figures include up to 250 MHz system performance and up to 350 MHz internal performance for timing-critical functions.
• Voltage and Mixed-Voltage Operation Supports 2.5 V, 3.3 V and 5 V mixed-voltage operation with 5 V input tolerance and 5 V drive strength; device supply range is 2.25 V to 5.25 V.
• Nonvolatile Single-Chip Architecture Single-chip, nonvolatile configuration removes the need for an external configuration memory device.
• Security and Testability Includes Actel Secure Programming Technology with FuseLock™ to protect designs from reverse engineering, boundary-scan test support compliant with IEEE 1149.1 (JTAG), and in-system diagnostic and verification capability via Silicon Explorer II (family feature).
• Package and Environmental Supplied in a 100-pin LQFP package (supplier package listed as 100-TQFP 14×14). RoHS compliant and rated for industrial temperature operation from −40 °C to 85 °C.
• Embedded Memory Total on-chip RAM bits: 0 (no embedded RAM), suitable for designs that use external memory or rely on flip-flop storage and logic.

Typical Applications

• PCI and Bus Interface Logic Leverage the SX-A family’s 66 MHz PCI compliance and mixed-voltage I/O support for PCI bridging, bus glue logic and legacy interface integration.
• Industrial Control and I/O Industrial temperature rating and robust I/O voltage tolerance make the device appropriate for sensor interfacing, motor control glue logic and embedded control panels.
• In-System Test and Verification Use boundary-scan (IEEE 1149.1) and Silicon Explorer II diagnostics for manufacturing test, board-level validation and in-field verification.
• Secure Embedded Systems Nonvolatile configuration and FuseLock™ secure programming support designs that require persistent configuration and protection against IP reverse engineering.

Unique Advantages

• Nonvolatile, single-chip solution: Eliminates external configuration memory and simplifies board-level BOM and startup sequencing.
• Flexible mixed-voltage I/O: 81 user I/Os with 5 V tolerance and selectable signaling standards reduce the need for level-shifters in mixed-voltage systems.
• Industrial temperature rating: Qualified for −40 °C to 85 °C operation, supporting deployment in industrial environments.
• Security-focused programming: FuseLock™ secure programming capability helps protect intellectual property and prevent reverse engineering.
• Deterministic timing and high internal performance: Family-level performance characteristics support timing-critical logic with predictable behavior.

Why Choose A54SX16A-2TQ100I?

The A54SX16A-2TQ100I combines a mid-range logic capacity (24,000 system gates, 1,452 logic elements) with flexible, hot-swap capable I/Os and nonvolatile single-chip configuration to simplify industrial embedded designs. Its voltage range (2.25 V–5.25 V), mixed-voltage support and 81 user I/Os make it well suited for systems that must interface across legacy and modern logic levels.

Choose this part when you need a secure, deterministic FPGA solution with JTAG boundary-scan and in-system diagnostic support, a compact 100-pin LQFP footprint, and industrial temperature capability for reliable deployment in factory, instrumentation and embedded control applications.

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