A54SX72A-PQG208A - 108K Gate Antifuse FPGA | Microchip
MPN: A54SX72A-PQG208A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $89.5 | $89.50 |
| 10 | $82.3 | $823.00 |
| 100 | $74.9 | $7,490.00 |
| 500 | $68.2 | $34,100.00 |
| 1,000 | $62.5 | $62,500.00 |
Drop-in alternatives for A54SX72A-PQG208A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1PQG208
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View Datasheet →A54SX72A-1PQG208M
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View Datasheet →A54SX72A-FPQG208
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View Datasheet →A54SX32A-PQG208A
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View Datasheet →A54SX72A-PQG208A Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108,000 (up to 72,000 typical gates available) |
| Logic Cells / Modules | 6036 CLBs |
| Dedicated Flip-Flops | 2012 |
| User I/O (Package) | 171 |
| Maximum User I/O (Family) | 360 |
| Process Technology | 0.25 um CMOS |
| Core Supply Voltage | 2.5 V |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3V PCI, 5V PCI |
| Maximum System Frequency | 217 MHz |
| Programming Type | One-Time Programmable (Antifuse) |
| Clock Inputs | 4 quadrant clock inputs (A, B, C, D) |
| Package | 208-pin PQFP (PQG208) |
| Mounting Type | Surface Mount |
A54SX72A-PQG208A 208-pin pqfp (pqg208) Pin Configuration Guide
Complete pinout information for A54SX72A-PQG208A (208-pin pqfp (pqg208) 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 A54SX72A-PQG208A.
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
A54SX72A-PQG208A is suitable for 6 applications: Industrial Control and Automation, Military and Aerospace Systems, Communications Line Cards, Medical Instrumentation, ASIC Prototyping and Emulation, Automotive Electronics.
Industrial Control and Automation
The A54SX72A-PQG208A fits industrial control because its 108K system gates integrate PLC glue logic, motor-control state machines, and multi-protocol I/O into a single low-power chip, eliminating external PAL/GAL devices. Its instant-on antifuse boot (no configuration flash) means the FPGA is active within microseconds of power application - critical for safety interlocks and deterministic factory-floor startup sequences. Used as a backplane interface controller with 171 user I/O supporting TTL, LVTTL, and LVCMOS2 levels at up to 217 MHz internal performance, it bridges legacy 5V PCI and modern 3.3V PCI buses without level shifters. The single-chip solution reduces BOM cost and improves reliability in electrically noisy environments, while the one-time-programmable fabric prevents field tampering of proprietary control algorithms.
Recommended
Military and Aerospace Systems
Antifuse FPGAs are the traditional choice for military and aerospace designs because the one-time-programmable fabric is immune to configuration-seupset and readback attacks, and the M-temperature-grade variants (A54SX72A-1PQG208M) extend operation across the full military range. The A54SX72A's 108K gates implement radar preprocessing, bus arbitration (MIL-STD-1553 companion logic), and secure telemetry framing with 2,012 dedicated flip-flops supporting high-speed pipelining at up to 217 MHz. Because no external boot ROM exists, the attack surface for reverse engineering is minimized - the programmed fuse map cannot be dumped. Designers should verify qualification data and radiation reports with Microchip for the specific program, and budget device spare count since any design revision requires new antifuse parts.
Recommended
Communications Line Cards
Telecom and datacom line cards use the A54SX72A-PQG208A as framing, multiplexing, and backplane glue logic where instant-on operation and deterministic latency matter. The device's LVCMOS2 and PCI-compatible I/O directly interface T1/E1 framers, PHY chips, and 3.3V/5V PCI bus segments without external translators, while four quadrant clock inputs (A/B/C/D) provide low-skew clock distribution across the die for synchronous TDM paths. Its 108K gates absorb HDLC controllers, bit-error-rate counters, and status aggregation logic that would otherwise require several CPLDs. Low static power from the 0.25 um CMOS antifuse process suits powered line cards in racks where thermal budgets are tight. Non-volatile programming also simplifies hot-swap and replacement-card bring-up in carrier equipment.
Recommended
Medical Instrumentation
Medical diagnostic equipment benefits from the A54SX72A-PQG208A's combination of deterministic power-up, low noise, and secure single-chip integration. Patient-monitoring front ends use its 171 I/O to interface ADCs, front-end analog modules, and isolation barriers, while the 108K gates implement digital filtering, alarm state machines, and display controllers with timing predictable at power-on - an antifuse device needs no boot sequence, so measurements begin immediately after power is applied, supporting fail-safe alarm behavior required in bedside monitors. The one-time-programmable fabric protects proprietary diagnostic firmware from cloning, an important IP concern for OEM instrument makers. Low static current from the 0.25 um process keeps self-heating and conducted noise low near sensitive analog acquisition stages.
Recommended
ASIC Prototyping and Emulation
The A54SX72A serves as an ASIC replacement and prototyping platform where a production ASIC is not yet fixed or volumes do not justify mask costs. Its 72,000 typical usable gates (108K system-gate organization, 6,036 logic modules) accept moderate RTL blocks, and the 0.25 um antifuse fabric delivers timing close to ASIC behavior without SRAM configuration overhead. Systems teams use it for glue-logic consolidation: integrating PALs, counters, bus transceivers, and state machines into one certified chip lowers BOM count and improves supply-chain resilience. Because the device is one-time programmable, prototypes should be fully verified in simulation with Libero SoC, and multiple samples reserved for iterative fuse programming. Instant-on boot simplifies power-sequencing validation compared with SRAM FPGA platforms.
Recommended
Automotive Electronics
The SX-A Automotive Family - which includes the A54SX72A-PQG208A A-grade device - targets automotive modules requiring secure, non-volatile logic: body-control bridge logic, instrument-cluster drivers, and powertrain auxiliary controllers. The antifuse fabric cannot be dumped or reprogrammed in the field, protecting calibration and anti-tamper IP, while instant-on behavior ensures the module is functional the moment ignition power arrives, supporting startup diagnostics within ISO electrical-transient windows. The PQG208's 171 user I/O in a through-hole-friendly reworkable PQFP simplifies module-level repair compared with BGAs. Designers should confirm AEC-Q100 qualification documentation for the specific date code, and note the related PQG208 variant's reported December 2025 end-of-life when planning long-production-run automotive programs with last-time-buy strategy.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-PQG208A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1PQG208 | A54SX72A-2PQG208 | A54SX72A-1PQG208M | A54SX72A-FPQG208 | A54SX32A-PQG208A | A54SX16A-PQG208A |
|---|---|---|---|---|---|---|---|
| Package | 208-PQFP (PQG208) | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-QFP (fine pitch FQFP) | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | ||
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 36,000 | 16,000 | |
| User I/O | 171 | 171 | 171 | 171 | [DATA_NEEDED] | [DATA_NEEDED] | |
| Dedicated Flip-Flops | 2,012 | 2,012 | 2,012 | [DATA_NEEDED] | [DATA_NEEDED] | ||
| Process Technology | 0.25 um CMOS | 0.25 um CMOS | 0.25 um CMOS | 0.25 um CMOS | |||
| Speed Grade | Standard (A) | Speed grade 1 (slower) | Speed grade 2 (slowest) | Standard | |||
| Temperature Grade | Automotive/extended (A suffix) | Military (M) | [DATA_NEEDED] | Automotive (A) | |||
| Lifecycle | Active (verify; related PQG208 EOL Dec 2025) | Active | Active | [DATA_NEEDED] |
Key Differentiators
- Highest gate count in 208-PQFP footprint (vs A54SX32A-PQG208A)
- Extended/automotive temperature A-grade (vs A54SX72A-1PQG208)
- Standard-pitch PQFP reworkability (vs A54SX72A-FGG484)
Design Notes
The A54SX72A uses a 2.5V core supply with separate I/O supply rails per I/O bank standard (TTL/LVTTL/LVCMOS2 at 3.3V, PCI at 3.3V or 5V). Provide independent, well-decoupled rails: 0.1 uF ceramic per VCC pin pair plus bulk 10 uF per bank. Because the antifuse fabric is static, quiescent power is low, but simultaneous switching of up to 171 I/O can cause ground bounce - use the datasheet's recommended number of ground pins and avoid switching more than the specified I/O per ground group.
This is a one-time-programmable antifuse device: any logic change after programming consumes a new physical device. Complete full functional simulation and timing closure in Libero SoC before programming, and program pilot units first. Also note that the four quadrant clock pins (A, B, C, D) are dedicated clock inputs for the bottom-left, bottom-right, top-left, and top-right clock networks - routing general I/O to them wastes low-skew clock resources.
The 208-PQFP has 0.5 mm pitch leads; use a 4-mil trace/4-mil space fan-out pattern with solder-mask-defined pads per IPC-style QFP land patterns. Thermal relief via the PQFP leads is limited - keep surrounding airflow if operating near maximum industrial temperature. Avoid routing high-speed clocks under the package; the quadrant clock inputs should be length-matched pairs from a low-jitter oscillator source for best 217 MHz-class performance.
Compliance Information
The SX-A Automotive Family designation appears in Actel/Microsemi datasheet titles, but RoHS/REACH/lead-free status for this legacy 0.25 um part was not found in provided data. Request certificate of conformance from Microchip or distributor.
