A54SX16-VQG100 - 24K Gate Antifuse FPGA, 81 I/O | Microsemi
MPN: A54SX16-VQG100 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.1 | $721.00 |
| 100 | $65.9 | $6,590.00 |
| 500 | $60.25 | $30,125.00 |
| 1,000 | $55.8 | $55,800.00 |
Drop-in alternatives for A54SX16-VQG100 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-VQG100
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View Datasheet →A54SX16P-VQG100I
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View Datasheet →A54SX16P-1VQG100
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View Datasheet →A54SX16P-2VQG100
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View Datasheet →A54SX08-VQG100
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View Datasheet →A54SX16-VQ100
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View Datasheet →A54SX16-VQG100 Maximum Ratings & Electrical Characteristics
| Programmable Logic Gates | 24000 gates |
| Logic Cells | 924 cells (1452 modules) |
| Number of I/O | 81 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage (VCCI) | 3 V to 3.6 V |
| Supply Voltage (VCI/Programming Rail) | 4.75 V to 5.25 V |
| Programmability Type | Antifuse (One-Time Programmable, non-volatile) |
| Family | SX (Actel/Microsemi SX Series) |
| Package | 100-TQFP / 100-VQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Architecture | Sea-of-Modules (C-cell / R-cell) |
| Configuration Storage | No external configuration PROM required |
| Packaging | Tray |
A54SX16-VQG100 100-tqfp / 100-vqfp (14x14 mm) Pin Configuration Guide
Complete pinout information for A54SX16-VQG100 (100-tqfp / 100-vqfp (14x14 mm) 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 A54SX16-VQG100.
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
A54SX16-VQG100 is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Subsystems, ASIC Prototyping and Glue Logic Consolidation, Communications Line Cards, Medical Instrumentation, Secure Embedded Control.
Industrial Control and Automation
The A54SX16-VQG100 fits industrial control and factory automation designs where glue logic, interface bridging, and fast state machines must start instantly at power-up. Its 24,000 antifuse-programmed gates and 1452 logic modules consolidate discrete 74-series logic into one device, while 81 I/O pins handle parallel fieldbus interfaces, encoder inputs, and sensor polling at up to 240 MHz internal performance. Because configuration is non-volatile, no microcontroller or flash boot sequence is needed - I/O becomes deterministic within microseconds of rail stabilization, which matters for safety interlocks. Place it between the 3.3 V I/O rail and field-side isolation; the dual-rail 3.3 V/5 V scheme integrates easily with legacy 5 V industrial subsystems.
Recommended
Aerospace and Defense Subsystems
Actel/Microsemi antifuse FPGAs are a classic choice for aerospace and defense boards because the one-time-programmed interconnect cannot be read back, protecting design IP, and is inherently immune to configuration-memory upset. The A54SX16-VQG100 provides 924 logic cells for telemetry framing, bus interface bridging, and watchdog/sequencing logic, with 81 I/O for parallel data buses. The non-volatile nature removes the boot PROM from the bill of materials - a reliability and single-point-of-failure win in flight hardware. For programs with extended temperature or radiation requirements, migrate to the same-footprint industrial variants such as the A54SX16P-VQG100I or the RTAX radiation-tolerant families within Microchip's portfolio.
Recommended
ASIC Prototyping and Glue Logic Consolidation
The SX family's sea-of-modules architecture with predictable routing makes the A54SX16-VQG100 effective for ASIC interface prototyping and board-level glue logic consolidation. At 24,000 gates with 240 MHz toggle capability, it absorbs address decoders, bus transceivers, wait-state generators, and interrupt controllers that otherwise consume dozens of SSI/MSI devices. The 0.35 um CMOS process keeps static power low, simplifying always-on designs. Because it is one-time programmable, use it after RTL freeze: program engineering lots for system bring-up, then pin the same design for production. The 100-pin VQFP (14x14 mm) footprint hand-solders and reflows easily on two-layer prototype boards, reducing NPI cost.
Recommended
Communications Line Cards
In telecommunications and datacom line cards, the A54SX16-VQG100 handles framer-to-backplane bridging, clock-domain crossing logic, and framing state machines. Its 240 MHz performance comfortably covers T1/E1 and legacy serial framing rates, while the antifuse fabric delivers deterministic, low-skew routing that eases timing closure compared with SRAM FPGA routing delays. Non-volatile configuration means line cards power up functional without a bitstream load window - simplifying hot-swap sequencing design. The 3.0-3.6 V I/O rail with the secondary 4.75-5.25 V supply matches common telecom backplane rails. Budget the 81 I/O across data, address, and status groups, and decouple both supply rails locally per pin-group.
Recommended
Medical Instrumentation
Medical diagnostic and monitoring instruments benefit from the A54SX16-VQG100's deterministic instant-on behavior: sensor front-end sequencing, acquisition trigger logic, and interface bridging are active as soon as the 3.3 V rail stabilizes, with no firmware load delay that could delay fault-detection circuits. The 24,000-gate capacity integrates patient-interface handshake logic and data-path formatting for ADC streams, while 81 I/O pins connect front-end modules, displays, and communication ports. Antifuse configuration also removes configuration-image integrity concerns in safety-related designs. Use it to offload timing-critical acquisition control from the host microcontroller so the processor handles the user interface and analysis only.
Recommended
Secure Embedded Control
Where design security is a requirement - anti-cloning, key management boards, secure boot enablers - the A54SX16-VQG100's antifuse architecture is a strong fit: programmed interconnect cannot be read back, so reverse engineering requires destructive delayering. The 924-cell fabric implements challenge-response logic, simple cryptographic datapaths, and board-ID verification at 240 MHz class performance, with 81 I/O for secure periphery gating. Because no external configuration memory exists, there is no bitstream to intercept during manufacturing or in the field. Designers should still protect programming files in-house and consider adding a secure element such as an ECC-authenticated companion IC for key storage.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16-VQG100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-VQG100 | A54SX16P-VQG100I | A54SX16P-1VQG100 | A54SX08-VQG100 | A54SX16-VQ100 |
|---|---|---|---|---|---|---|
| Package | 100-TQFP / VQFP (14x14 mm) | 100-TQFP (VQFP 14x14) - same | 100-TQFP (VQFP 14x14) - same | 100-TQFP (VQFP 14x14) - same | 100-TQFP (VQFP 14x14) - same | 100-VQFP (VQ100) - same |
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| Gate Density | 24,000 gates (924 cells / 1452 modules) | 16K-gate class SX16P | 16K-gate class SX16P | 16K-gate class SX16P | ~8K gates (lower density) | 24,000 gates - same |
| Number of I/O | 81 | 81 | 81 | 81 | 81 | 81 |
| Supply Voltage | 3.0-3.6 V and 4.75-5.25 V | 3.0-3.6 V and 4.75-5.25 V | 3.0-3.6 V and 4.75-5.25 V | 3.0-3.6 V and 4.75-5.25 V | 3.0-3.6 V and 4.75-5.25 V | 3.0-3.6 V and 4.75-5.25 V |
| Maximum Frequency | 240 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | 240 MHz |
| Temperature Grade | Commercial (G suffix) | Commercial | Industrial (I suffix) | Commercial | Commercial | Commercial |
| Programmability | Antifuse (OTP, non-volatile) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Non-volatile antifuse configuration with no boot PROM (vs XC3S50A-4VQG100C)
- Same-footprint performance upgrade path (vs A54SX16P-VQG100)
- Denser than the same-footprint SX08 (vs A54SX08-VQG100)
Design Notes
The A54SX16-VQG100 requires two supply rails: VCCI at 3.0-3.6 V for core and I/O, and a 4.75-5.25 V rail for the programming/charge-pump circuitry. Per the 54SX family datasheet power-up guidance, both rails must reach specification before design operation is guaranteed. Add 0.1 uF ceramic decoupling per power pin group plus bulk 10 uF per rail. Estimated: at typical SX16 static current in the low-mA range, total power is modest, but verify against the datasheet current tables for your switching activity rather than relying on this estimate.
Antifuse FPGAs are one-time programmable: any RTL change after programming requires a new physical device, so reserve engineering spare units and complete full simulation, STA, and board-level validation before committing programming lots. Do not treat the commercial G-suffix part as industrial-grade - select the I-suffix variants for extended temperature. Also confirm that the 5 V programming rail is present in your power tree; designs that removed 5 V rails for modernization will fail to program and may not meet datasheet AC specifications.
With 81 I/O in a 14x14 mm 100-pin VQFP, assign ground returns evenly around the package perimeter and avoid ringing more than ~8 consecutive I/O on the same bank without a ground pin between groups. Match trace lengths on parallel buses leaving the FPGA, and keep series termination resistors within 15 mm of the driving pins for fast edge rates. The sea-of-modules fabric gives predictable internal delays, but board-level stubs on the 0.35 um-era I/O edges can still cause reflection issues above roughly 50 MHz toggle rates.
The 100-TQFP (14x14 mm) has 0.5 mm lead pitch; specify a 0.25 mm-wide stencil aperture per IPC-recommended QFP land patterns and use a no-clean flux profile to reduce bridging risk on the dense perimeter. Place the two supply rail bulk capacitors within 10 mm of the package and fan out power on an inner layer. Provide fiducials on two diagonal corners for automated assembly and plan a footprint that also accepts the VQ100 variant to enable second-source placement of A54SX16-VQ100.
Compliance Information
Compliance status for this legacy 0.35 um antifuse FPGA was not stated in the retrieved distributor data; verify RoHS/REACH declarations directly with Microchip before export-controlled or EU-market production use.
