A54SX32A-TQG100A - SX-A FPGA 48K Gates 81 I/O TQFP-100 | Microchip
MPN: A54SX32A-TQG100A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $268 | $268.00 |
| 10 | $255 | $2,550.00 |
| 100 | $247.85 | $24,785.00 |
| 500 | $240 | $120,000.00 |
| 1,000 | $235 | $235,000.00 |
Drop-in alternatives for A54SX32A-TQG100A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX32A-TQG100I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-2TQG100
✅ Drop-In✓ In Stock
$187.85 / Unit
View Datasheet →A54SX16A-TQG100
✅ Drop-In✓ In Stock
$20.8 / Unit
View Datasheet →A54SX32A-TQG144IX53
✅ Drop-In✓ In Stock
$302 / Unit
View Datasheet →A54SX32A-TQG100A Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| Number of Gates | 48000 |
| Available System Gates | Up to 108000 |
| User I/O | 81 |
| Dedicated Flip-Flops | 2012 |
| Process Technology | 0.25 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 100-TQFP (LQFP) |
| Mounting Type | Surface Mount |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Product Type | FPGA - Field Programmable Gate Array |
A54SX32A-TQG100A 100-tqfp (lqfp) Pin Configuration Guide
Complete pinout information for A54SX32A-TQG100A (100-tqfp (lqfp) 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 A54SX32A-TQG100A.
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
A54SX32A-TQG100A is suitable for 6 applications: Industrial Control and Automation, Communications Equipment, Aerospace and Defense Subsystems, Medical Instrumentation, Legacy System Sustainment and Obsolescence Management, Test and Measurement Equipment.
Industrial Control and Automation
The A54SX32A-TQG100A fits industrial control by consolidating PLC glue logic, bus interfacing, and sequencing functions into one antifuse FPGA with 48,000 gates and 81 user I/O on a 0.25 um CMOS process. Its instant-on antifuse configuration means control logic is active the moment power is applied, with no boot delay or external configuration device that could fail in the field. In a typical installation the device sits between a microcontroller and motor drives or field sensors, implementing state machines and safety interlocks with deterministic, security-resistant configuration that cannot be read back or altered in service.
Recommended
Communications Equipment
In telecom and datacom line cards, the A54SX32A-TQG100A implements framing, address decoding, and backplane interface logic where 81 user-programmable I/O and up to 108,000 system gates provide ample routing resources. The antifuse architecture delivers deterministic timing suited to synchronous backplane protocols and avoids configuration-upset risk during long unattended operation, a known weakness of SRAM FPGAs. Designers typically place it between physical-layer devices and a back-end processor, using the Libero flow to close timing; the permanent configuration also reduces bill-of-materials cost by eliminating the serial flash that SRAM FPGAs require.
Recommended
Aerospace and Defense Subsystems
Although the commercial-grade A54SX32A-TQG100A is aimed at benign environments, the SX-A antifuse family is widely used in aerospace and defense sustainment programs because its configuration cannot be read back and is inherently resistant to configuration single-event upset. Designers prototype on the commercial grade and migrate to industrial or military SX-A ordering codes for flight builds, retaining the same 100-TQFP footprint. Typical roles include telemetry encoding, arbitration logic, and interface bridging between rad-hard processors and peripheral circuits, with the 2,012 dedicated flip-flops supporting registered, pipeline-heavy designs.
Recommended
Medical Instrumentation
Medical diagnostic equipment such as patient monitors and lab analyzers benefits from the A54SX32A-TQG100A's combination of 48,000 gates, 81 flexible I/O, and permanent antifuse configuration. Instrument front ends use the FPGA to sequence ADC sampling, drive actuator logic, and buffer data between analog front ends and host processors; the deterministic, instantly-loaded configuration simplifies power-on self-test routines required by regulatory validation. Because medical products have long service lives, the mature, single-sourced SX-A family with documented 0.25 um CMOS process characteristics supports sustained production and change-controlled design baselines.
Recommended
Legacy System Sustainment and Obsolescence Management
A major use of the A54SX32A-TQG100A is replacing discontinued PLDs and glue-logic in long-lifecycle systems. With 48,000 gates, up to 108,000 system gates, and 81 I/O, one antifuse device can absorb dozens of legacy PAL/GAL/CPLD functions, and its one-time programming permanently fixes the configuration in silicon - no configuration memory to obsolesce. Engineers port legacy schematics into Microchip Libero, close timing, and program new SX-A devices to repair or extend the life of industrial, transportation, and defense platforms where redesigning around a modern FPGA would require costly full-board requalification.
Recommended
Test and Measurement Equipment
Bench instruments, automated test fixtures, and production test heads use the A54SX32A-TQG100A for timing generation, pattern multiplexing, and interface adaptation. The 2,012 dedicated flip-flops support deep pipelining for pattern engines, and the 81 user I/O handle parallel fixture interfaces; the antifuse configuration loads instantly at power-up so test fixtures are ready with zero boot latency. Deterministic internal timing on the 0.25 um CMOS process simplifies correlation between test stations. Its single-chip integration also reduces fixture part count and improves long-term reproducibility across multiple fixture builds.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-TQG100A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-TQG100I | A54SX32A-2TQG100 | A54SX16A-TQG100 |
|---|---|---|---|---|
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 (up to 108,000 available) | 48,000 | 48,000 | 16,000 |
| User I/O | 81 | 81 | 81 | [DATA_NEEDED] |
| Speed Grade | Standard (A grade) | Standard | -2 (faster) | Standard |
| Temperature Grade | Commercial (A grade) | Industrial (I grade) | [DATA_NEEDED] | [DATA_NEEDED] |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| RoHS / Lead Free | Compliant / Yes | Compliant | [DATA_NEEDED] | Compliant |
| Price (qty 1, as of 2026-09-03) | $268.00 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Configuration security of antifuse technology (vs A54SX32A-2TQG100)
- 48,000-gate capacity in the same 100-TQFP footprint (vs A54SX16A-TQG100)
- Commercial grade pricing vs industrial variant (vs A54SX32A-TQG100I)
Design Notes
Antifuse FPGAs are one-time programmable: once the A54SX32A-TQG100A is programmed, the design cannot be changed and the device cannot be reworked. Always complete gate-level simulation, timing closure, and hardware verification on a development device (or in Libero simulation) before programming production units. Given the 12-week lead time and non-stocked status at major distributors (per Mouser, as of 2026-09-03), a programming error can cost months of schedule. Order spare programmed devices.
The 100-TQFP has 0.5 mm pin pitch with leads on four sides; use a land pattern per the Microchip SX-A datasheet package drawing and keep trace widths adequate for 81 potential I/O assignments. Decouple each supply pin with 0.1 uF ceramics placed within 2 mm of the pin, plus bulk capacitance near the device. Since I/O assignment is user-defined in Libero, group switching signals to minimize simultaneous switching noise on shared return paths. Verify power and ground pin locations against the datasheet TQ100 pin tables before routing.
Estimated: antifuse FPGAs draw no static configuration current (no SRAM to hold), so power is dominated by dynamic switching of the routed logic and I/O. Estimate total power in Microchip Libero's power calculator using your toggle rates and I/O loading before fixing the board's supply budget; do not size the regulator from worst-case datasheet numbers alone, as heavily utilized designs on the SX-A die can differ substantially from lightly used ones.
Compliance Information
Lead Free Status: Lead Free; RoHS Status: RoHS Compliant per digchip datasheet summary for A54SX32A-TQG100. REACH, halogen-free, and conflict-minerals declarations not found in provided data.
