A54SX32A-1TQG100M - 48K Gate FPGA 81 I/O TQFP-100 | Microchip
MPN: A54SX32A-1TQG100M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.85 | $5,785.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $47.95 | $47,950.00 |
Drop-in alternatives for A54SX32A-1TQG100M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →A54SX32A-1TQG100M Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 48000 gates |
| Logic Cells | 1800 cells |
| Number of I/O | 81 |
| Speed Grade | -1 |
| Maximum Toggle Frequency | 278 MHz |
| Process Technology | 0.25 um CMOS |
| Core Supply Voltage | 2.5 V (2.25 V to 5.25 V range per distribution data) |
| Programming Technology | Antifuse (one-time programmable) |
| Operating Temperature | -55C to +125C (TC) |
| Package | 100-TQFP (TQG100) |
| Mounting Type | Surface Mount |
| Lead Free | Yes (M grade, lead free per distributor data) |
| Packaging | Tray |
A54SX32A-1TQG100M 100-tqfp (tqg100) Pin Configuration Guide
Complete pinout information for A54SX32A-1TQG100M (100-tqfp (tqg100) 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-1TQG100M.
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-1TQG100M is suitable for 6 applications: Military and Avionics Interface Logic, Industrial Control and Automation, Communications Line Cards, ASIC Prototyping and Gate-Array Replacement, Test and Measurement Equipment, Legacy System Sustainment and Obsolescence Bridging.
Military and Avionics Interface Logic
The A54SX32A-1TQG100M fits military and avionics interface designs because its M grade is rated from -55C to +125C and its antifuse configuration is inherently non-volatile, so the device is active within microseconds of power application with no configuration device that could be disturbed by vibration or radiation. With 48,000 system gates and 81 user I/O, it absorbs bus interface functions such as discrete-to-digital conversion, address decoding, and protocol glue logic that would otherwise require multiple SSI/MSI devices. Deployed between backplane connectors and processor modules, it adds no boot latency and no configuration-readback attack surface; the trade-off is one-time programmability, so designs must be timing-verified in Libero at the -1 speed grade before commit.
Recommended
Industrial Control and Automation
In industrial control, the A54SX32A-1TQG100M consolidates sensor-interfacing glue logic, motor-control sequencing, and safety interlock decoding into a single 100-pin TQFP. Its 2.5V core with tolerance across a 2.25V to 5.25V supply range per distribution data simplifies integration onto legacy 3.3V and 5V-tolerant I/O rails common in factory equipment, and the wide -55C to +125C rating comfortably covers uncontrolled cabinet temperatures. The 278 MHz internal toggle capability handles fast counters and PWM generation, while antifuse permanence means settings cannot drift or corrupt over years of 24/7 operation. Designers should budget I/O for the 81 available pins and reserve margin since the device is programmed once; the instant-on behavior also enables safety logic to be live before a host processor completes boot.
Recommended
Communications Line Cards
Telecom and datacom line cards use the A54SX32A-1TQG100M for framing logic, clock-domain crossing bridges, and backplane handshaking, where its -1 speed grade supports the tens-of-MHz timing loops typical of T1/E1 and legacy backplane standards and its antifuse fabric delivers deterministic, jitter-free delays unaffected by configuration reloads. The 0.25 um CMOS process keeps static power low, important for boards populated with many line cards, and the instant-on property lets the card assert link-integrity signals immediately at chassis power-up as slot protocols expect. With 81 I/O in a 14 mm TQFP, board density stays high; the key design consideration is that any protocol change requires a new programmed device, so finalizing the register map before programming commit is essential.
Recommended
ASIC Prototyping and Gate-Array Replacement
The A54SX32A-1TQG100M serves as a low-risk replacement for masked gate arrays and as a prototyping vehicle for designs targeting 32K to 48K gate volumes. Microchip positions SX-A as decreasing the premium for performance by integrating multiple functions into a single low-cost chip, and antifuse programming avoids the non-recurring mask charges of ASICs while delivering silicon-like fixed timing after commit. Its 1,800 logic cells map well from netlists synthesized in Libero/Designer, and the deterministic antifuse interconnect means post-program timing matches simulation closely, easing design sign-off. For teams migrating obsolete A54SX32 family designs (A54SX32-TQ176 and similar), the SX32A die provides a supported path; the trade-off versus SRAM FPGAs is one-time programmability, which eliminates in-field reconfiguration.
Recommended
Test and Measurement Equipment
Bench and rack instruments deploy the A54SX32A-1TQG100M for trigger sequencing, counter/timer front ends, and bus arbitration, exploiting its 278 MHz maximum toggle rate and deterministic antifuse timing paths. Because the device needs no configuration download, measurement heads and probe modules can present a live, functioning interface the instant they are connected - valuable in modular systems where cards are hot-inserted. The 81 I/O support wide parallel capture buses, and the -1 speed grade keeps dynamic power low in thermally sealed enclosures. Designers commonly pair it with the -2 speed grade sibling on shared footprints so a faster variant can be substituted without respin when measurement throughput requirements rise; the one-time-programmable nature is acceptable here because instrument firmware updates live in the host processor, not the FPGA fabric.
Recommended
Legacy System Sustainment and Obsolescence Bridging
Programs maintaining older SX-family designs use the A54SX32A-1TQG100M as the active sustainment part: it remains listed by DigiKey, Mouser, Avnet, and Microchip USA as of 2026-09-03, extending production life for boards originally built around A54SX32 devices such as the A54SX32-TQ176 and A54SX32-PQ208. Because the SX32A die is package-portable, engineers can re-target legacy netlists into the TQG100 footprint or substitute same-die TQFP-100 variants (A54SX32A-TQG100M, A54SX32A-1TQG100) when the exact suffix is constrained. Instant-on antifuse behavior preserves the boot assumptions of decades-old system firmware, and the military temperature rating matches original procurement specifications. The main caution is to verify speed-grade timing margins on aging boards, since the -1 grade defines the slowest supported corner.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-1TQG100M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-TQG100M | A54SX32A-1TQG100 | A54SX32A-2TQG100I | A54SX16A-1TQG100M |
|---|---|---|---|---|---|
| Package | 100-TQFP (TQG100) | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 48000 | 16000 (SX16A die) |
| Logic Cells | 1800 | 1800 | 1800 | 2880 (per Microchip USA listing for A54SX32A-2TQ100M) | [DATA_NEEDED] |
| User I/O | 81 | 81 | 81 | 81 | 81 |
| Speed Grade | -1 | -1 | -1 | -2 (faster) | -1 |
| Operating Temperature | -55C to +125C (M grade) | M grade (military range) | Narrower (non-M grade) [DATA_NEEDED: exact range] | Industrial (I grade) [DATA_NEEDED: exact range] | M grade (military range) |
| Programming Technology | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) |
Key Differentiators
- Military temperature grade in low-cost TQFP (vs A54SX32A-2TQG100I)
- Same-die board-compatible speed-grade migration (vs A54SX32A-2TQG100I)
- Larger die capacity on a shared footprint (vs A54SX16A-1TQG100M)
- Instant-on antifuse fabric (vs SRAM FPGAs (non drop-in comparison))
Design Notes
The A54SX32A-1TQG100M is antifuse one-time programmable: once programmed, the configuration cannot be erased or revised. Complete functional simulation, timing closure at the -1 speed grade, and a formal design review in Microchip Libero/Designer before programming commit. Order engineering spare quantities (typically 10-20%) to absorb programming yield loss and last-minute logic fixes, since a single netlist change requires physically new devices.
The SX-A family uses a 2.5V core with a 2.25V to 5.25V supply range reported in distribution data; confirm the exact I/O bank voltage options in the SX-A datasheet before connecting 5V-tolerant peripherals. The 0.25 um CMOS process keeps static current low, so dynamic power from the 278 MHz-capable fabric dominates. Estimated: power scales linearly with toggle rate, so constraining internal clocks to required frequencies in the timing constraints file meaningfully reduces die temperature in sealed enclosures.
The 100-pin TQFP has a 0.5 mm lead pitch; use solder-mask-defined pads per the datasheet TQG100 mechanical drawing and add a thermal relief via array under the center for rework access. Provide at least 0.1 uF ceramic decoupling at each of the four package sides plus one bulk capacitor - the exact capacitance should be confirmed against the SX-A datasheet power section, since verified values were not in the retrieved data.
Compliance Information
Distributor listings (PCB Electronics, Kynix) explicitly state A54SX32A-1TQG100M is LEAD FREE. RoHS/REACH declarations not found in retrieved data.
