A54SX72A-1PQG208 - 108K Gate Antifuse FPGA | Microchip
MPN: A54SX72A-1PQG208 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.9 | $5,790.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $47.8 | $47,800.00 |
Drop-in alternatives for A54SX72A-1PQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1PQG208I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-1PQG208A
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A54SX72A-1PQG208M
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$138.75 / Unit
View Datasheet →A54SX32A-1PQG208I
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$44.75 / Unit
View Datasheet →A54SX16A-1PQG208M
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View Datasheet →A54SX16A-PQG208M
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$451.23 / Unit
View Datasheet →A54SX72A-1PQG208 Maximum Ratings & Electrical Characteristics
| Logic Capacity (Typical Gates) | 72,000 |
| System Gates (Equivalent) | 108,000 |
| Configurable Logic Blocks (CLBs) | 6036 |
| User I/O | 171 |
| Programmable Cells | 4024 |
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| Programming Technology | Antifuse (One-Time Programmable, OTP) |
| Process Technology | 0.25 um CMOS |
| Core Supply Voltage | 2.5 V |
| Maximum System Frequency | 250 MHz |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3V PCI, 5V PCI |
| Speed Grade | -1 |
| Package | 208-BFQFP (PQFP-208), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Clock Networks | CLKA, CLKB, CLKC, CLKD quadrant clock inputs |
| Lead Free | Yes (G = lead-free suffix) |
| Packaging Type | Tray |
A54SX72A-1PQG208 208-bfqfp (pqfp-208), 0.5 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-1PQG208 (208-bfqfp (pqfp-208), 0.5 mm pitch 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-1PQG208.
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-1PQG208 is suitable for 6 applications: Industrial Automation Control, Defense and Avionics Subsystems, Telecommunications Line Cards, Single-Chip Logic Integration / Glue Logic, Secure Embedded Systems, Test and Measurement Instrumentation.
Industrial Automation Control
The A54SX72A-1PQG208 fits industrial controller and PLC I/O consolidation because its 72,000 typical gates and 171 user I/O can absorb dozens of discrete 74-series glue-logic devices into one chip, cutting BOM cost and board area. Its TTL, LVTTL, LVCMOS2, 3.3V PCI, and 5V PCI I/O compatibility lets it bridge legacy 5V sensor buses and modern 3.3V backplanes directly without level shifters. Because configuration is antifuse OTP, the controller powers up instantly with no boot sequence - a hard requirement in machinery that must be operational within milliseconds of power-on. Designers should budget the fixed 2.5V core rail and verify all 208-BFQFP pin assignments in the Libero tool before programming, since OTP leaves no field-update path.
Recommended
Defense and Avionics Subsystems
Antifuse FPGAs are favored in defense electronics because the programmed configuration cannot be read back and is immune to configuration-memory upset - properties the A54SX72A-1PQG208 inherits from the SX-A antifuse architecture. The 108K-gate capacity and quadrant clock networks (CLKA-CLKD) support bus interface, encryption glue logic, and timing generators at up to 250 MHz system speed. The M-suffix sibling A54SX72A-1PQG208M offers the same die in military screening flows when program requirements demand it. In flight hardware, the instant-on OTP behavior removes the SRAM-FPGA configuration-load vulnerability window at power-up. Engineers must lock pin assignments early and rely on the Microchip SX-A datasheet DC/AC tables for derating across temperature.
Recommended
Telecommunications Line Cards
On telecom line cards the A54SX72A-1PQG208 consolidates framing glue logic, backplane interfaces, and address decoding that previously consumed multiple PLDs and discrete logic. The 171 user I/O pins with 3.3V PCI and 5V PCI compatibility interface directly to cPCI/PCI backplanes and legacy 5V line-card ASICs, while the fine-grained SX-A fabric delivers deterministic sub-nanosecond routing delays suited to time-critical framing signals. The 0.25 um process with a 2.5V core keeps static dissipation low across the dense line-card environment. Because the device is one-time programmable, protocol changes require a hardware spin; teams with evolving protocols should reserve headroom and verify utilization below 80% before committing the fuse file.
Recommended
Single-Chip Logic Integration / Glue Logic
The core SX-A value proposition - integrating multiple functions into a low-cost single-chip solution per Microchip's product positioning - makes the A54SX72A-1PQG208 a drop-in consolidation target for boards carrying ASSPs, PAL/GAL devices, and 74xx counters. With 6036 CLBs and 4024 programmable cells, a design can absorb address decoders, bus transceivers' control logic, interrupts arbiters, and state machines while cutting assembly cost and failure points. The fine-grained multiplexer-based architecture achieves high utilization on random logic that wastes LUT-based fabric. Pin-compatible smaller siblings (A54SX32A/A54SX16A in PQG208) let cost-reduced respins shrink capacity without a PCB change, protecting prior board investment.
Recommended
Secure Embedded Systems
Designs with IP-protection or anti-tamper requirements choose the A54SX72A-1PQG208 because antifuse programming leaves no bitstream to extract - unlike SRAM FPGAs whose configuration flash can be cloned. The OTP fabric stores proprietary algorithms, key-handling glue logic, and authentication state machines with no external configuration device on the PCB, removing that attack surface entirely. Instant-on behavior means security logic is active before the host processor completes reset. The 171 I/O with LVCMOS2/LVTTL levels integrate cleanly with microcontrollers and secure elements. Designers should note the trade-off: security hardening is permanent, so formal code review and simulation sign-off of the fuse file are mandatory before programming production units.
Recommended
Test and Measurement Instrumentation
In bench and ATE instrumentation, the A54SX72A-1PQG208 serves as the timing, trigger, and bus-interface engine: the quadrant clock networks generate low-skew distributions across the board, and deterministic antifuse routing delivers repeatable channel-to-channel timing that jitter-sensitive trigger paths require. The -1 speed grade supports up to 250 MHz internal performance for counter/timer and pattern-generator logic, while 171 I/O pins with mixed 5V/3.3V PCI compatibility connect directly to legacy instrumentation backplanes. Because instruments ship for a decade or more, the non-volatile OTP configuration and stable, qualification-frozen silicon of the mature SX-A family support long-term calibration stability better than periodically respun SRAM parts.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1PQG208I | A54SX72A-1PQG208A | A54SX32A-1PQG208I | A54SX16A-1PQG208M |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP (PQFP-208) - same | 208-BFQFP (PQFP-208) - same | 208-BFQFP (PQFP-208) - same | 208-BFQFP (PQFP-208) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 (72K typical) | 108,000 (72K typical) | 108,000 (72K typical) | ~54,000 (32K typical) | ~24,000 (16K typical) |
| User I/O | 171 | 171 | 171 | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Commercial | Industrial | Commercial (A-suffix flow) | Industrial | Military |
| Programming | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| Speed Grade | -1 | -1 | -1 | -1 | standard |
| Max System Frequency | 250 MHz | 250 MHz | 250 MHz | [DATA_NEEDED] | [DATA_NEEDED] |
| Lead Free | Yes (G suffix) | Yes (G suffix) | Yes (G suffix) | Yes (G suffix) | Yes (G suffix) |
Key Differentiators
- Largest capacity available in the low-cost PQFP-208 footprint (vs A54SX32A-1PQG208I)
- Non-volatile instant-on configuration (vs SRAM FPGAs of similar gate count)
- Commercial-grade cost with military die availability (vs A54SX72A-1PQG208M)
- Broad legacy I/O compatibility (vs Modern low-voltage-only FPGAs)
Design Notes
The SX-A core operates from a 2.5 V supply while I/O banks run at the standard supported by the chosen I/O levels (3.3 V for LVTTL/LVCMOS2/3.3V PCI, 5 V for 5V PCI/TTL). Provide separate, well-decoupled rails and verify the input level configuration on every bank - applying 5 V levels to a bank strapped for 3.3 V operation risks overstress. Estimated: static core current on the 0.25 um antifuse process is low because there is no configuration bitstream SRAM, but dynamic current scales with clock frequency; budget according to the SX-A datasheet current-versus-frequency tables rather than assuming SRAM-FPGA figures.
This is a one-time-programmable device: after antifuse programming there is no rework path. Complete gate-level simulation, static timing analysis, and a formal pin-assignment review in Libero/Designer before generating the fuse file. A frequent pitfall on the A54SX72A is misusing the four quadrant clock inputs (CLKA-CLKD) - per the SX-A datasheet these correspond to bottom-left, bottom-right, top-left, and top-right quadrants respectively, and clock macros must be placed in the matching quadrant or the design will fail timing or DRC.
The 208-BFQFP has 0.5 mm lead pitch; specify a solder-mask-defined or NSMD pad geometry per IPC-recommended QFP land patterns and inspect with magnification or X-ray after reflow to catch lead bridging. Keep the four quadrant clock input traces short, matched, and away from switching I/O to preserve low skew across clock domains. Decouple every supply pin pair with 0.1 uF ceramics placed within a few millimeters, plus bulk capacitance at the board corners of the QFP footprint.
With 171 user I/O capable of 5 V PCI and TTL swings, simultaneous switching output (SSO) noise is the dominant integrity risk. Distribute high-drive outputs across the four package sides, limit the number of pins switching in the same bank per the SX-A datasheet SSO guidance, and add series termination (typically 22-33 ohm, estimated value - verify with your line impedance) on fast point-to-point nets. Ground-return pins adjacent to switching banks must not be repurposed as user I/O.
Compliance Information
The 'G' suffix in PQG208 denotes lead-free finish; distributor listings explicitly mark this part as LEAD FREE. RoHS compliance per lead-free designation; formal RoHS/REACH certificates not present in provided sources.
