A54SX16P-2VQ100

The A54SX16P-2VQ100 is a commercial-grade SX family FPGA offered by Microchip Technology. It is a nonvolatile, single-chip FPGA optimized for mixed-voltage I/O designs and compact board footprints, supplied in a 100-pin thin quad flat pack (100-TQFP / 14×14 VQFP footprint). Typical system-level performance and configurable I/O support make it suitable for interface logic, protocol bridging, and in-system verification tasks.

Key device resources include approximately 24,000 system gates, 1,452 logic elements, and 81 user I/O pins. The device is designed for 3.0–5.25 V supply environments and is rated for commercial temperature operation (0 °C to +70 °C).

Key Features

• Core Capacity — Approximately 24,000 system gates and 1,452 logic elements provide a mid-range logic resource for glue logic, protocol conversion, and control functions.
• User I/O — 81 user-programmable I/O pins in the 100-TQFP package, configurable for multiple voltage standards to support mixed-voltage systems.
• Mixed-Voltage I/O Support — Configurable I/O for 3.3 V/5 V PCI, 5 V TTL, 3.3 V LVTTL, and 2.5 V LVCMOS2; supports 2.5 V, 3.3 V, and 5 V operation with 5 V input tolerance and 5 V drive strength.
• Performance — Series datasheet specifies up to 250 MHz system performance and up to 350 MHz internal performance for timing-critical logic.
• Nonvolatile Single-Chip Solution — Maintains configuration without external volatile configuration memory, simplifying system design and boot behavior.
• Power and Robustness — Power-up/down friendly operation with no required supply sequencing and hot-swap compliant I/Os for robust board-level integration.
• Security and Test — On-device secure programming technology (FuseLock™) to prevent reverse engineering and IEEE 1149.1 (JTAG) boundary-scan testing for board-level diagnostics.
• Package and Mounting — 100-TQFP surface-mount package (supplier package: 100-VQFP, 14×14) for compact PCB designs.
• Environmental — RoHS compliant; rated for commercial temperature range 0 °C to +70 °C.
• On-Chip Memory — No embedded RAM bits (Total RAM bits: 0), suitable for designs that rely on external memory or logic-only implementations.

Typical Applications

• PCI and Interface Logic — 66 MHz PCI compliance and flexible I/O standards make the device suitable for protocol bridging and bus interface functions.
• Mixed-Voltage System Glue — Configurable I/O voltages and 5 V tolerance support level translation and interfacing between legacy and modern logic domains.
• In-System Diagnostics and Verification — JTAG boundary-scan support and in-system diagnostic capability enable board-level testing and functional verification.
• Secure Logic Functions — On-device FuseLock™ programming provides protection for intellectual property and configuration security in fielded products.

Unique Advantages

• Nonvolatile Configuration — Eliminates the need for external configuration memory, reducing BOM complexity and improving system boot reliability.
• Flexible Mixed-Voltage I/O — Broad I/O standard support and 5 V tolerance simplify integration with diverse peripherals and legacy interfaces.
• Compact Package — 100-TQFP footprint offers a space-efficient solution for constrained PCB real estate while providing 81 user I/Os.
• Design Security — Built-in FuseLock™ secure programming helps protect designs from reverse engineering and unauthorized access.
• Testability — IEEE 1149.1 boundary-scan support enables streamlined board-level testing and reduces development time for manufacturing test.
• Robust Power Handling — Power-up/down friendly operation with hot-swap compliant I/Os lowers system integration risk and simplifies power sequencing.

Why Choose A54SX16P-2VQ100?

The A54SX16P-2VQ100 delivers a balanced combination of mid-range logic capacity, mixed-voltage I/O flexibility, and nonvolatile configuration in a compact 100-TQFP package. Its commercial temperature rating and RoHS compliance make it appropriate for a wide range of board-level logic and interface tasks where embedded RAM is not required.

This device is a practical choice for engineers seeking a secure, testable FPGA solution for protocol bridging, interface logic, and mixed-voltage system designs that benefit from nonvolatile configuration and robust I/O behavior.

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