A54SX72A-2PQG208I - 108K-Gate Antifuse FPGA, 171 I/O | Microchip
MPN: A54SX72A-2PQG208I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.8 | $5,780.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $47.9 | $47,900.00 |
Drop-in alternatives for A54SX72A-2PQG208I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →A54SX72A-2PQG208I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108K |
| User I/O | 171 |
| Speed Grade | -2 |
| Maximum Toggle/Operating Frequency | 217 MHz |
| Core Supply Voltage | 2.5 V |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3 V PCI, 5 V PCI |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| Package | 208-BFQFP (PQFP-208, gull wing) |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| RoHS Status | Lead free (per Kynix listing) |
A54SX72A-2PQG208I square Pin Configuration Guide
Complete pinout information for A54SX72A-2PQG208I (square 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-2PQG208I.
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-2PQG208I is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Equipment, Avionics and Defense Electronics, ASIC Prototyping and Low-Volume Integration, Single-Chip System Integration / Glue Logic Consolidation, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-2PQG208I fits industrial controllers because its antifuse fabric is non-volatile and immune to configuration corruption from power glitches or EMI - a common failure mode for SRAM FPGAs on factory floors. With 171 user I/O at 2.5 V core and 5 V/3.3 V PCI-tolerant inputs, it directly interfaces legacy TTL-level PLC I/O while integrating glue logic, motor PWM sequencing, and encoder interfaces into one 208-pin chip. In a typical deployment it sits between a microprocessor and field I/O, replacing dozens of 74-series devices. The -2 speed grade supports counters and state machines well beyond mechanical control bandwidths, and the industrial -40C to +85C rating covers unconditioned cabinets.
Recommended
Communications and Networking Equipment
Telecom line cards and backplane interface boards benefit from the A54SX72A-2PQG208I's 217 MHz-class -2 timing and dedicated global plus quadrant clock networks (CLKA/CLKB, QCLKA-QCLKD), which deliver low-skew clocking for framers, FIFOs, and parallel bus bridges. The 108K-gate capacity integrates bus switching, address decoding, interrupt control, and protocol glue logic that previously required several PLDs, reducing BOM count and board area. Because the device is one-time programmable and powers up instantly, line cards pass traffic immediately after hot-swap insertion with no bitstream load time - an advantage over SRAM FPGAs in redundant or hot-pluggable systems where configuration downtime is unacceptable.
Recommended
Avionics and Defense Electronics
The SX-A family's antifuse technology has a long heritage in avionics and defense programs, where the A54SX72A-2PQG208I's physical bitstream opacity (interconnects cannot be read back), instant-on behavior, and immunity to SEU-induced configuration loss are decisive. The PQG208I industrial grade covers extended ambient ranges, and Microchip offers M-screened siblings (A54SX72A-PQG208M) in the identical footprint for higher-assurance programs. Typical roles include MIL-STD-1553 bus glue logic, arbitration and voting circuits, sensor conditioning front ends, and secure boot assist logic. Designers value that a single 2.5 V, low-static-power chip replaces several commercial devices with one low-quiescent, non-volatile solution.
Recommended
ASIC Prototyping and Low-Volume Integration
Before committing to an ASIC mask set, the 108K-gate A54SX72A-2PQG208I provides a fast, single-chip prototyping vehicle: RTL is mapped onto the Sea-of-Modules fabric in Microchip's Designer toolset, and the programmed parts behave identically to production silicon, giving realistic timing and power data. For low-volume products where an ASIC never reaches economic volume, the same design can ship as the final solution - the antifuse die becomes the product. One-time programming imposes discipline: full gate-level simulation and timing closure are mandatory before programming, since no device can be reworked. The 208-pin PQFP is hand-solderable and socketable, easing prototype board bring-up compared with fine-pitch BGAs.
Recommended
Single-Chip System Integration / Glue Logic Consolidation
Boards carrying aging 74-series, PAL, GAL, and CPLD glue logic can consolidate all of it into one A54SX72A-2PQG208I, cutting component count, assembly cost, and failure points. With 108K gates and 171 I/O, a typical consolidation absorbs bus transceivers' control, address decoders, interrupt controllers, reset supervisory logic, and handshaking state machines. Antifuse non-volatility means the integrated logic is active within nanoseconds of power application - no configuration controller, no serial flash, no boot watchdog. This matters in equipment with strict reset-to-ready timing (RAID controllers, test instruments, medical devices). The 2.5 V core also lowers static power relative to older 5 V PLD families being retired.
Recommended
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX72A-2PQG208I as a deterministic timing and control core: its antifuse fabric delivers fixed, repeatable propagation delays unaffected by configuration reload, improving measurement reproducibility between power cycles. The -2 speed grade clocks state machines and counter chains for trigger generation, time-tagging, and pattern generation, while 171 I/O addresses relay matrices, DUT interfaces, and backplane buses with TTL/LVTTL/LVCMOS2 compatibility. Because the device is non-volatile and instantly ready, instruments meet power-on-to-ready specifications without configuration delay. The industrial temperature grade supports portable instruments used in uncontrolled environments from field service vehicles to outdoor test stations.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-2PQG208I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1PQG208I | A54SX72A-2PQG208 | A54SX72A-PQG208M | A54SX72A-FGG256I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 256-ball FBGA (different) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108K | 108K | 108K | 108K | 108K |
| User I/O | 171 | 171 | 171 | 171 | [DATA_NEEDED] |
| Speed Grade | -2 | -1 (slower) | -2 (same) | Standard (slower) | [DATA_NEEDED] |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | Military screened | -40C to +85C (Industrial) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (OTP, non-volatile) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Max Frequency | 217 MHz (family max, -2 grade) | Lower (-1 grade) | 217 MHz | Lower (standard grade) | [DATA_NEEDED] |
Key Differentiators
- Fastest speed grade in the 208-pin PQFP family (vs A54SX72A-1PQG208I)
- Industrial temperature qualification (vs A54SX72A-2PQG208)
- Non-volatile antifuse security (vs SRAM FPGAs of similar capacity)
- Same-die upgrade path in one footprint (vs A54SX72A-PQG208I)
Design Notes
The A54SX72A uses a 2.5 V core with separate analog supply pins (VCCA, VPLLA/VPLLB) and programming pins (VPP) that must be connected per the SX-A family datasheet power-up sequence. Decouple each VCC pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF per rail. Do not share VPP routing with signal power - programming voltage transients must not appear on the logic rail. Estimated: static power scales with the number of used modules, so run the Microchip Designer power calculator with your actual netlist before finalizing the supply budget.
The 208-pin PQFP has a 0.5 mm lead pitch; use NSMD pads with solder mask defined between leads to prevent bridging, and follow the IPC-recommended footprint in the datasheet mechanical drawing section. The die attach paddle is not exposed, so thermal relief relies on perimeter traces: use 2 oz copper or thermal vias under the body for high-power designs. Keep the four quadrant clock inputs (QCLKA-QCLKD) routed as short, matched traces to their clock sources to minimize skew across clock quadrants.
Antifuse FPGAs are one-time programmable: a logic bug after programming means scrapping the device. Always complete gate-level simulation, back-annotated timing verification, and a hardware trial on a development board before committing production devices. Second pitfall: mixing speed grades. A design compiled for the -2 A54SX72A will not necessarily meet timing on the -1 or standard grade variants (A54SX72A-1PQG208I, A54SX72A-PQG208I); re-verify timing at the substitute grade before second-sourcing within the same footprint.
Input levels are TTL, LVTTL, LVCMOS2, 3.3 V PCI, and 5 V PCI compatible per the SX-A datasheet, but confirm which bank standard each I/O is configured for in Designer - 5 V PCI inputs include clamp diodes that load a shared bus. For long backplane traces, add series 22-33 ohm termination at the FPGA driver to control overshoot, and keep stub lengths under 25 mm on the quadrant clock nets. Unused I/O should be defined as inputs with pull-up or grounded per your EMC strategy rather than left floating.
Compliance Information
Kynix lists A54SX72A-2PQG208I as lead free. Full RoHS/REACH declarations should be requested from Microchip; other compliance attributes not stated in provided data.
