A54SX72A-1PQG208I - 108K Gate FPGA 208-PQFP | Microchip
MPN: A54SX72A-1PQG208I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $125 | $125.00 |
| 10 | $112.5 | $1,125.00 |
| 100 | $99 | $9,900.00 |
| 500 | $88 | $44,000.00 |
| 1,000 | $79 | $79,000.00 |
Drop-in alternatives for A54SX72A-1PQG208I — 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:
A54SX72A-1PQG208
✅ Drop-In✓ In Stock
$47.8 / Unit
View Datasheet →A54SX72A-1PQG208M
✅ Drop-In✓ In Stock
$138.75 / Unit
View Datasheet →A54SX72A-PQG208I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-2PQG208
✅ Drop-In✓ In Stock
$82.6 / Unit
View Datasheet →A54SX72A-PQG208A
✅ Drop-In✓ In Stock
$62.5 / Unit
View Datasheet →A54SX72A-1PQ208I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-1PQG208I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 |
| Logic Cells / Modules | 6036 LABs/CLBs |
| User I/O | 171 |
| Maximum System Frequency | 250 MHz |
| Process Technology | 0.25 um CMOS |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Temperature Grade | Industrial (I) |
| Package | 208-BFQFP / PQFP-208 |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | RoHS compliant (G suffix, lead-free) |
| Manufacturer Part Status | Active |
A54SX72A-1PQG208I 208-bfqfp / pqfp-208 Pin Configuration Guide
Complete pinout information for A54SX72A-1PQG208I (208-bfqfp / pqfp-208 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-1PQG208I.
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-1PQG208I is suitable for 6 applications: Industrial Automation Control, Telecommunications Interface Boards, Defense and Avionics Upgrades, Obsolescence Mitigation and Legacy Redesign, Test and Measurement Equipment, Bridge and Glue Logic for Mixed-Voltage Systems.
Industrial Automation Control
The A54SX72A-1PQG208I fits industrial automation control cards where deterministic instant-on behavior and 5 V-tolerant I/O are decisive. Its 2.25 V to 5.25 V supply range and 171 user I/O allow a single device to interface legacy 5 V TTL PLC backplanes with 3.3 V sensor and encoder logic, consolidating GALs, counters, and bus transceivers into 108,000 system gates. Because the antifuse fabric is one-time-programmable, the logic powers up within microseconds of supply application - no configuration controller, no boot delay, and no configuration-image corruption risk in electrically noisy factory environments. With a 250 MHz maximum system frequency on the -1 speed grade, timing headroom is ample for state machines, interlock logic, and PWM generators. Industrial boards benefit from the 208-PQFP surface-mount package with 0.5 mm lead pitch, which reflows on standard assembly lines.
Recommended
Telecommunications Interface Boards
Telecom line cards and framers benefit directly from the A54SX72A-1PQG208I quadrant clock architecture. The SX-A datasheet defines four dedicated quadrant clock inputs (A, B, C, D for bottom-left, bottom-right, top-left, and top-right quadrants), enabling low-skew clock distribution to I/O clusters handling T1/E1 framers, HDLC controllers, and backplane interfaces. The -1 speed grade supports 250 MHz internal operation, far above TDM line rates, so the device comfortably implements framer glue logic, timeslot interchange, and alarm aggregation in 108,000 gates. Antifuse one-time programming removes configuration-bus attack surfaces prized in carrier equipment, and industrial temperature qualification suits outdoor cabinets and unconditioned remote sites. The 171 user I/O with 5 V tolerance bridges older TTL backplanes to modern 3.3 V PHY devices without level-shifters, reducing BOM cost and board area on high-channel-density line cards.
Recommended
Defense and Avionics Upgrades
Defense electronics sustainment programs select the A54SX72A-1PQG208I for legacy board refresh because the antifuse architecture is inherently resistant to configuration upsets and offers instant-on power-up with no external configuration PROM to fail in vibration or thermal-cycling environments. The industrial I grade supports extended ambient ranges found in avionics bays, and the military M variant (A54SX72A-1PQG208M) is available in the same 208-PQFP footprint for higher-severity programs. Actel documentation additionally establishes that the radiation-tolerant RT54SX72S in CQ208 packages is pin-compatible with SX-A devices in PQ208/CQ208 packages, giving program managers a proven migration path to rad-hard silicon without PCB redesign. With 108,000 system gates and 171 I/O, the device absorbs MIL-STD-1553 interfaces, discrete I/O matrices, and built-in-test logic consolidated from obsolete PALs and gate arrays.
Recommended
Obsolescence Mitigation and Legacy Redesign
When discontinued CPLDs, PALs, or ASIC gate arrays must be replaced, the A54SX72A-1PQG208I serves as a consolidation fabric: 108,000 gates and 171 user I/O absorb dozens of obsolete 20- and 24-pin logic devices onto one known-active Microchip part. Because SX-A is one-time-programmable, the emulated logic is fixed at production, matching the deterministic behavior of the original bipolar/PAL era hardware - an attribute functional-safety auditors appreciate versus reconfigurable alternatives. The 5 V-tolerant I/O directly connects to legacy TTL buses, and the 250 MHz -1 speed grade leaves timing margin over most legacy-era interface speeds. XAIPART stocks the same-package family (commercial, industrial, and military grades), enabling lifecycle extension with a single PCB footprint across product generations and simplifying second-source strategies for platforms with multi-decade support obligations such as railway signaling and energy SCADA hardware.
Recommended
Test and Measurement Equipment
Bench and automated test equipment integrates the A54SX72A-1PQG208I as timing-controller and pattern-generator logic, where its 250 MHz -1 speed grade supports sub-10 ns resolution stimulus and its antifuse determinism guarantees identical timing on every power-up - essential for repeatable measurements. The 171 user I/O accommodate wide parallel buses to DACs, comparators, and relay matrices, with 5 V-compatible signaling simplifying interfaces to older instrumentation front-ends. Industrial temperature qualification covers unconditioned lab environments and portable field testers. Because the configuration is permanently programmed, calibrations and test sequences stored as fixed logic cannot be altered by firmware corruption, supporting audit trails in certified calibration laboratories. The 208-PQFP package reflows reliably with standard lead-free profiles, and quadrant clock inputs provide the low-skew clocking that high-channel-count pattern generators require for simultaneous edge alignment across output banks.
Recommended
Bridge and Glue Logic for Mixed-Voltage Systems
Mixed-voltage system boards use the A54SX72A-1PQG208I as the central bridge between 5 V TTL, 3.3 V LVTTL, and 2.5 V logic domains. The 2.25 V to 5.25 V supply range and SX-A 5 V-tolerant I/O let one device terminate legacy microprocessor buses, ISA/VME-style backplanes, and modern 3.3 V peripherals without external level translators, directly reducing component count and propagation delay. Its 108,000 system gates implement address decoding, wait-state generators, interrupt controllers, and DMA handshake logic that previously consumed several PLDs. Antifuse programming eliminates configuration boot delay, so bus interfaces are active the instant power is applied - a requirement for hot-adjacent rack systems where a slow FPGA startup causes bus faults. The 208-PQFP footprint with 171 I/O provides ample pin budget for wide address/data buses, and the industrial I grade covers the full ambient range of telecom and industrial racks.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1PQG208I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1PQG208 | A54SX72A-1PQG208M | A54SX72A-PQG208I | A54SX72A-2PQG208 | A54SX72A-PQG208A |
|---|---|---|---|---|---|---|
| Package | 208-BFQFP / PQFP-208 | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 171 | 171 | 171 | 171 | 171 | 171 |
| Speed Grade | -1 (250 MHz) | -1 (250 MHz) | -1 (250 MHz) | Standard | -2 (faster) | Standard |
| Temperature Grade | Industrial (I) | Commercial | Military (M) | Industrial (I) | Commercial | A-suffix variant |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| RoHS / Lead-Free | RoHS compliant (G suffix) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) |
| Process Technology | 0.25 um antifuse CMOS | 0.25 um antifuse CMOS | 0.25 um antifuse CMOS | 0.25 um antifuse CMOS | 0.25 um antifuse CMOS | 0.25 um antifuse CMOS |
Key Differentiators
- Industrial temperature rating at -1 speed grade (vs A54SX72A-1PQG208)
- Guaranteed 250 MHz timing at lowest speed-grade cost (vs A54SX72A-2PQG208)
- RoHS-compliant lead-free finish (vs A54SX72A-1PQ208I)
Design Notes
Estimated: the SX-A family operates from a nominal 2.5 V core/I-O supply (allowable 2.25 V to 5.25 V per distributor data). Antifuse FPGAs draw very low static current compared with SRAM FPGAs because there is no configuration bit-stream holding pass-transistor networks; still, decouple each VCC pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF per power quadrant. Verify actual ICC from your Libero/Designer power report, since utilization drives dynamic current toward the 250 MHz ceiling.
Antifuse devices are one-time-programmable: a logic change requires a new physical part. Complete full functional simulation and static timing analysis in Microchip Libero/Designer before committing devices to programming, and keep spare programmed units on hand. Also confirm the quadrant clock usage early - per the SX-A datasheet, the four dedicated quadrant clock inputs (A, B, C, D serving bottom-left, bottom-right, top-left, and top-right quadrants) constrain clock placement, and redesigning clocking after PCB layout is costly.
The 208-PQFP uses a 0.5 mm lead pitch; specify a solder-mask-defined land pattern per the manufacturer mechanical drawing and use a no-clean flux profile to avoid bridging on the fine-pitch leads. Provide thermal relief via the land pattern per IPC guidance (IPC-7351 land-pattern calculator recommended). Keep high-speed quadrant clock traces length-matched and referenced to a solid ground plane; the PQ208 package has no exposed thermal pad, so board-level heat spreading relies on copper pour around the perimeter leads.
Compliance Information
RoHS compliance and lead-free finish indicated by the G suffix (PQG208I) and confirmed in OnlineComponents.com listing. REACH, halogen-free, and conflict-minerals status not stated in provided data.
