A54SX16A-FTQ100

The A54SX16A-FTQ100 is a member of the SX‑A family of nonvolatile FPGAs offering a single-chip programmable logic solution. It provides 24,000 system gates and 1,452 logic elements in a 100-pin low-profile quad flat package, making it suitable for designs that require reprogrammable logic, deterministic timing, and mixed-voltage I/O support.

Typical use cases include interface bridging, board-level glue logic, and embedded control functions where nonvolatile configuration, configurable I/O levels and predictable timing are important. The device is offered in a commercial temperature grade with RoHS-compliant packaging.

Key Features

• Logic Capacity — 24,000 system gates and 1,452 logic elements for implementing glue logic, custom state machines and medium-complexity digital functions.
• User I/O — 81 user-programmable I/O pins with configurable I/O support for 3.3 V / 5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2 levels (family capability).
• Performance — SX‑A family performance characteristics include up to 250 MHz system performance and up to 350 MHz internal performance (family-level figures).
• Nonvolatile Single-Chip Solution — Family feature: single-chip nonvolatile configuration removes the need for external configuration memory.
• Voltage and Power — Wide supply range from 2.25 V to 5.25 V supports mixed-voltage designs and 5 V input tolerance with 5 V drive strength (family capability).
• No Embedded RAM — Total on-chip RAM bits: 0; use for pure logic and control functions without embedded block RAM.
• Packaging & Mounting — 100-LQFP package case; supplier device package listed as 100-TQFP (14×14); surface-mount mounting type.
• Temperature & Grade — Commercial grade operation from 0 °C to 70 °C.
• Security & Test — SX‑A family features include JTAG boundary-scan testing and Actel Secure Programming Technology (FuseLock) to protect design IP (family-level features).
• System-level Features — Hot-swap compliant I/Os, power-up/power-down friendly behavior (no sequencing required for supply voltages), configurable weak pull-up/pull-down at power-up, and individual output slew-rate control (family-level features).
• Standards & Interfaces — 66 MHz PCI compliance capability noted for the SX‑A family, enabling PCI-compatible interface logic (family-level feature).
• RoHS Compliance — Device is RoHS compliant for lead-free manufacturing processes.

Typical Applications

• Interface Bridging and Peripherals — Implement PCI-compatible interface logic and board-level protocol bridging using the device’s configurable I/O and family PCI support.
• Glue Logic and Control — Replace discrete glue logic with compact, reprogrammable FPGA logic for state machines, bus arbitration and custom control functions.
• Hot-Swap and Power-Managed Systems — Hot-swap compliant I/Os and power-up/-down friendly behavior suit designs that require fault-tolerant insertion and robust power sequencing.
• Security‑Sensitive Applications — Use family FuseLock secure programming and nonvolatile configuration to protect proprietary bitstreams and reduce system-level configuration complexity.

Unique Advantages

• Nonvolatile, Single-Chip Implementation: Eliminates external configuration memory and simplifies board-level design and startup sequencing.
• Flexible Mixed-Voltage I/O: Broad I/O voltage support and 5 V input tolerance enable easy interfacing to legacy and modern device logic levels.
• Deterministic Timing: Family-level deterministic, user-controllable timing supports predictable behavior for timing-sensitive control and interface logic.
• Compact Package with Significant I/O: 100-pin LQFP footprint offers 81 user I/Os and a compact footprint for space-constrained PCBs.
• IP Protection and Testability: Built-in security programming and IEEE 1149.1 boundary-scan capability help protect IP and streamline manufacturing test.
• RoHS-Compliant Manufacturing: Facilitates compliance with lead-free assembly processes and environmental regulations.

Why Choose A54SX16A-FTQ100?

The A54SX16A-FTQ100 combines medium-density programmable logic (24,000 system gates, 1,452 logic elements) with flexible mixed-voltage I/O and a nonvolatile single-chip architecture. That combination makes it a practical choice for engineers who need reprogrammable logic with predictable timing and secure, single-chip configuration in a compact 100-pin package.

This commercial-grade FPGA is well suited for designs requiring interface logic, glue logic consolidation, and secure configuration without external memory. Its family-level features—such as hot-swap I/Os, PCI capability, JTAG boundary-scan and secure programming—provide practical system-level benefits for production designs.

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