A54SX16A-FTQG144 - 24K Gate SX-A FPGA, 113 I/O | Microchip
MPN: A54SX16A-FTQG144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $95.4 | $95.40 |
| 10 | $88.2 | $882.00 |
| 60 | $80.63 | $4,837.80 |
| 120 | $79.52 | $9,542.40 |
| 500 | $75.54 | $37,770.00 |
Drop-in alternatives for A54SX16A-FTQG144 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16A-2TQG144
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View Datasheet →A54SX16A-TQG144A
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View Datasheet →A54SX16A-FTQG144 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 24,000 equivalent gates |
| Typical Gates | 16,000 |
| Logic Cells (CLBs) | 1452 |
| User I/O | 113 |
| Maximum Clock Frequency | 167 MHz to 172 MHz |
| Combinatorial CLB Delay | 1.9 ns (max) |
| Supply Voltage | 2.25 V to 2.75 V |
| Technology | CMOS, antifuse (one-time programmable) |
| Operating Temperature | 0 C to +70 C (commercial) |
| Package | TQFP-144 (1.4 mm height) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Packaging | Tray |
| RoHS Status | RoHS Compliant / Lead-free |
| Configuration Memory | Antifuse (non-volatile, no external config device) |
| Manufacturer Part Status | Active (DigiKey: ships today) |
A54SX16A-FTQG144 tqfp-144 (1.4 mm height) Pin Configuration Guide
Complete pinout information for A54SX16A-FTQG144 (tqfp-144 (1.4 mm height) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX16A-FTQG144.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX16A-FTQG144 is suitable for 6 applications: Industrial Control and Automation, Telecommunications Line Cards, Aerospace and Defense Subsystems, Test and Measurement Equipment, Secure Embedded Bridge Logic, Legacy Design Continuation and Obsolescence Bridge.
Industrial Control and Automation
In industrial control, the A54SX16A-FTQG144 replaces glue logic, sequencers, and bus-bridge functions that previously required several 74-series devices, cutting BOM count and assembly cost in a single 24K-gate antifuse chip. Its 113 user I/O handle parallel sensor and actuator interfaces, while the 2.25-2.75 V core keeps dynamic power low in densely populated cabinets. Because the antifuse fabric is instant-on, the controller's deterministic logic is active within nanoseconds of power application - a real benefit for safety interlocks that must never wait for configuration. Design the I/O with series termination where bus stubs exceed a few centimeters, and use the Libero SoC timing report to confirm the 1.9 ns CLB delay budget meets your worst-case state-machine path at the 167 MHz family ceiling.
Recommended
Telecommunications Line Cards
Telecom line cards need moderate-density glue logic between framers, PHYs, and backplane connectors, and the A54SX16A-FTQG144 fits this niche with 1,452 logic cells and 113 I/O supporting wide parallel buses at up to 167 MHz. The antifuse configuration cannot be read back or disturbed by soft errors, protecting proprietary line-card designs in deployed equipment, and the absence of a configuration PROM shortens power-up sequencing - important in systems where the framer must initialize quickly after hot-swap. Place 0.1 uF decoupling capacitors at each supply pin pair and keep backplane bus traces length-matched; the 2.5 V supply class I/O simplifies interfacing to legacy 2.5 V and 3.3 V-tolerant devices with proper level verification in the datasheet I/O tables.
Recommended
Aerospace and Defense Subsystems
While this commercial-temperature FTQG144 version targets benign environments, the SX-A antifuse architecture it embodies is widely trusted in defense programs precisely because configuration is permanent and immune to configuration-upset mechanisms that affect SRAM FPGAs. Engineers prototyping subsystems such as radar interface adapters, missile-engineering test sets, and avionics bench equipment use the A54SX16A-FTQG144 to validate logic before committing to the qualified temperature/flow variants in the same package. The 1.9 ns CLB delay supports the 20-50 MHz synchronous interfaces common in these systems, and 24K gates comfortably hold address decoders, FIFO control, and protocol glue logic. For deployment, migrate to the 'I' temperature variant within the same TQFP-144 footprint with zero PCB change.
Recommended
Test and Measurement Equipment
Bench instruments and rack-mounted testers rely on FPGA glue logic for trigger distribution, counter/timer interfaces, and backplane handshaking. The A54SX16A-FTQG144's instant-on antifuse configuration means instrument logic is live the moment power is applied, eliminating the 100-500 ms configuration delay of SRAM FPGAs and enabling fast power-cycling test sequences. With 113 I/O and up to 167 MHz capability, it drives parallel bus fixtures and captures high-speed status words, while the 24K gate capacity holds state machines, comparators, and timing generators. Because antifuse parts cannot be reprogrammed in the field, reserve a programming fixture and hold spare programmed devices; alternatively validate logic on the same-family SRAM-assisted flows or simulate exhaustively in Libero before committing.
Recommended
Secure Embedded Bridge Logic
Applications that bridge proprietary buses - legacy VME cards, custom sensor networks, or licensed equipment controllers - benefit from the A54SX16A-FTQG144's readback-protected antifuse configuration: the implemented design cannot be dumped or cloned, unlike SRAM FPGA bitstreams stored in external flash. The device integrates bus masters, address decoders, and handshake state machines within 1,452 logic cells, replacing multi-chip GAL/CPLD stacks and reducing the attack surface of the design. Supply operation at 2.25-2.75 V suits modern 2.5 V and 3.3 V mixed systems with proper I/O bank verification. Pair with a supervisor for clean power sequencing, and use one-time programmability as a feature: ship field units with logic permanently fixed and auditable.
Recommended
Legacy Design Continuation and Obsolescence Bridge
Many mature products originally designed with Actel SX/SX-A FPGAs remain in production for decades in medical, industrial, and defense equipment. The A54SX16A-FTQG144 serves as the continuation device for these designs: Microchip maintains the SX-A family, Libero SoC still targets it, and distributor stock (DigiKey ships today as of 2026-09-03) keeps lines running. Because the TQFP-144 footprint and pinout are unchanged across the family's speed/temperature suffixes, engineers can source A54SX16A-2TQG144 or 1TQG144I alternates to survive allocation cycles without PCB respin. Keep the original EDIF/VHDL source and a programming file archive, and pre-program devices in-house with a FlashPro programmer to decouple production from distributor speed-grade availability.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-FTQG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-2TQG144 | A54SX16A-1TQG144I | A54SX16A-TQG144A | A54SX32A-FTQG144 |
|---|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24,000 | 24,000 | 24,000 | 24,000 | 32,000 |
| Logic Cells (CLBs) | 1452 | 1452 | 1452 | 1452 | 1932 |
| User I/O | 113 | 113 | 113 | 113 | 113 |
| Operating Temperature | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C | [DATA_NEEDED] | 0 C to +70 C |
| Speed Grade | F (standard) | 2T (faster) | 1T | [DATA_NEEDED] | F (standard) |
| Configuration Technology | Antifuse (one-time programmable) | Antifuse | Antifuse | Antifuse | Antifuse |
| RoHS / Lead-free | Compliant / Lead-free | Compliant | Compliant | Compliant | Compliant |
| Supply Voltage | 2.25 V to 2.75 V | 2.25 V to 2.75 V | 2.25 V to 2.75 V | 2.25 V to 2.75 V | 2.25 V to 2.75 V |
Key Differentiators
- Instant-on antifuse configuration (vs A54SX32A-FTQG144)
- Faster timing headroom option at same footprint (vs A54SX16A-2TQG144)
- Commercial-temperature cost optimization (vs A54SX16A-1TQG144I)
- Non-volatile security without external config PROM (vs generic SRAM FPGA alternatives)
Design Notes
Antifuse FPGAs are one-time programmable: once the A54SX16A-FTQG144 is programmed, the design cannot be erased or changed, and a logic bug means scrapping the device. Complete full functional simulation and timing closure in Libero SoC, and run at least one pilot build before production programming. Order the correct speed grade and temperature suffix at PO time - swapping FTQG144 for an industrial 'I' variant later is a drop-in at PCB level, but the qualification paperwork and programmer setup may differ.
The device operates from a single 2.25 V to 2.75 V core/IO supply class per Mouser data. Place a 0.1 uF ceramic decoupling capacitor at every supply pin pair plus at least one bulk 10 uF capacitor per bank. Estimated: at moderate utilization, SX-A antifuse parts draw far lower static power than SRAM FPGAs because no configuration bitstream RAM is held - but verify actual current with the Microchip power calculator using your routed netlist, not family-typical figures.
Create the footprint directly from the official SX-A datasheet TQFP-144 mechanical drawing (1.4 mm profile height). Pin 1 is marked by the dot and numbering runs counter-clockwise. Use a solder-mask-defined land pattern per IPC guidance in the datasheet, with a 3x3 thermal via array not required (TQFP has no pad). Keep 113 user I/O trace lengths matched on parallel buses; series-terminate 22-33 ohm at the driver for traces longer than about 5 cm to control ringing at 167 MHz-class edges.
The SX-A I/O rings support mixed voltage-tolerant interfacing, but confirm each bank's VCCI against the datasheet I/O tables before connecting 3.3 V drivers. At 167 MHz system rates, ground bounce on simultaneously switching outputs becomes measurable; distribute SSO outputs across banks and add 0.01 uF high-frequency caps near each bank. For backplane applications, keep stubs under 2 cm or use point-to-point routing with destination termination.
Compliance Information
RoHS compliant and lead-free per Jotrin/Xsourcepart listings (ROHS COMPLIANT, Lead free / RoHS Compliant). Commercial temperature part; not AEC-Q100 automotive qualified. REACH/halogen/conflict-minerals status not stated in provided data.
