A54SX72A-2FGG484I - SX-A FPGA 72K Gates 484-FBGA | Microchip
MPN: A54SX72A-2FGG484I β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $168.5 | $168.50 |
| 10 | $151.65 | $1,516.50 |
| 100 | $138.2 | $13,820.00 |
| 500 | $124.4 | $62,200.00 |
| 1,000 | $112 | $112,000.00 |
Drop-in alternatives for A54SX72A-2FGG484I β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1FGG484I
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$225 / Unit
View Datasheet βA54SX72A-3FGG484I
β Drop-Inπ Reference alternative (not in catalog)
A54SX72A-2FG484I
β Drop-Inπ Reference alternative (not in catalog)
A54SX72A-FGG484I
β Drop-Inπ Reference alternative (not in catalog)
A54SX72A-1FG484I
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
A54SX72A-2FGG484I Maximum Ratings & Electrical Characteristics
| Logic Family / Series | SX-A (A54SX72A) |
| System Gates | 72000 gates |
| Logic Cells / Modules | 4024 cells |
| Number of I/O | 360 I/O |
| Maximum System Frequency | 294 MHz |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -2 |
| Operating Temperature | -40C to +85C (TA) |
| Package / Case | 484-BGA (FBGA) |
| Supplier Device Package | 484-FPBGA (27 x 27 mm) |
| Ball Pitch | 1 mm |
| Mounting Type | Surface Mount |
| Lead Free Status | Lead free |
| RoHS Status | RoHS Compliant |
| Packaging | Tray |
A54SX72A-2FGG484I 484-fpbga (27 x 27 mm) Pin Configuration Guide
Complete pinout information for A54SX72A-2FGG484I (484-fpbga (27 x 27 mm) 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-2FGG484I.
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-2FGG484I is suitable for 6 applications: Glue Logic and Bus Bridge Integration, Industrial Automation and Motor Control Sequencing, Aerospace and Defense Embedded Control, Communications Line Cards and Backplane Interfaces, Test and Measurement Instrument Control, Medical Device Control and Data Acquisition.
Glue Logic and Bus Bridge Integration
The A54SX72A-2FGG484I integrates multiple discrete glue-logic functions - address decoders, bus transceivers, wait-state generators, and interrupt controllers - into a single low-cost antifuse chip, which is exactly the system-level savings role Microchip promotes for SX-A devices. Its 360 user I/O and 5 V-tolerant I/O banks allow direct connection to legacy 5 V TTL and 3.3 V LVTTL buses without level shifters, and the 72K-gate fabric accommodates wide 32/64-bit bus bridges at up to 294 MHz-class internal performance. Because the antifuse interconnect is one-time programmed, bus timing is deterministic and cannot be corrupted by configuration loss at power-up. Place the device with short, matched-length traces to the processor bus and decouple each supply ball with 0.1 uF ceramics.
Recommended
Industrial Automation and Motor Control Sequencing
In factory automation controllers, the A54SX72A-2FGG484I provides deterministic finite-state-machine control, PWM generation, encoder interfaces, and safety-interlock logic with instant-on behavior - no configuration load time, so the machine is operational the moment power is applied. The industrial -40C to +85C temperature range matches cabinet-mounted electronics, and the antifuse fabric is immune to the configuration-bit flips that affect SRAM FPGAs in electrically noisy motor-drive environments. With 360 I/O, one device can consolidate stepper/pulse distribution, limit-switch debouncing, and fieldbus glue logic. Designers should route PWM outputs on short traces, use quadrant clock (QCLK) resources for regional timing domains, and budget 2.5 V core current per the SX-A datasheet power-estimation spreadsheet.
Recommended
Aerospace and Defense Embedded Control
Antifuse FPGAs are a long-standing choice in defense electronics because the programmed interconnect cannot be read back (design security) and contains no configuration memory to upset in radiation-prone environments. The A54SX72A-2FGG484I, the largest SX-A device at 72K gates, implements telemetry framing, command decoders, redundant-sensor voting, and backplane interfaces in a single 27 x 27 mm package. Its -40C to +85C industrial grade suits avionics line-replaceable units; flight and space programs should evaluate the related RT54SX72S radiation-tolerant variant instead. Designers should use CLKA/CLKB global clocks for system-synchronous domains per the Microchip quadrant-clock application notes, and lock pin assignments early since one-time-programmable devices cannot be reprogrammed after a pinout error.
Recommended
Communications Line Cards and Backplane Interfaces
Telecom and datacom line cards use the A54SX72A-2FGG484I for framing, TDM switching, and backplane protocol adaptation at line rates well within its 294 MHz system-speed capability. The 0.25 um antifuse fabric delivers fixed, predictable path timing - valuable when meeting backplane setup/hold budgets across many card slots - while 360 I/O supports wide parallel backplane buses. Instant-on operation lets a card participate in ring/fault-recovery protocols immediately at power insertion. Layout practice: keep the 2.5 V core plane solid, decouple every VCCA/VCCI ball pair, and use the FPGA's dedicated JTAG port (boundary scan) for production card test. Power dissipation should be estimated with the Microchip Designer power tool before card thermal design.
Recommended
Test and Measurement Instrument Control
Bench and automated test equipment benefit from the A54SX72A-2FGG484I's deterministic timing and instant-on readiness: the FPGA implements trigger state machines, counter/timer arrays, relay-control sequencers, and instrument bus (GPIB-style parallel) interfaces with cycle-accurate repeatability because the antifuse interconnect does not change between units. The 72K-gate capacity hosts multiple instrument subsystems in one 484-FBGA, and 360 I/O fans out to front-panel indicators, ADC/DAC control buses, and relay banks. Industrial temperature rating suits rack equipment environments. Because the device is one-time programmable, maintain strict design-revision control - each instrument firmware change consumes a new device. Use boundary-scan (JTAG) for board-level interconnect test during production.
Recommended
Medical Device Control and Data Acquisition
Medical diagnostic equipment - patient-monitoring front ends, laboratory analyzers, and imaging subsystem controllers - uses the A54SX72A-2FGG484I where deterministic, configuration-fault-immune logic is required near patient-connected circuitry. The antifuse fabric contains no configuration memory that could corrupt state during EMI-rich switching events, and instant-on operation ensures acquisition chains are armed at power-up. The 72K-gate fabric implements filter-control, sample-sequencing, and alarm state machines, while 5 V-tolerant I/O interfaces legacy analog front-end chips directly. Designers should isolate patient-side domains (e.g., with digital isolators), decouple all supply balls thoroughly, and note that design freeze discipline matters: any logic change requires a newly programmed device since the part is one-time programmable.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-2FGG484I β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1FGG484I | A54SX72A-3FGG484I | A54SX72A-2FG484I | A54SX72A-FGG484I |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 484-FBGA (27 x 27 mm) | 484-FBGA - same footprint | 484-FBGA - same footprint | 484-FBGA - same footprint | 484-FBGA - same footprint |
| System Gates | 72,000 gates | 72,000 gates | 72,000 gates | 72,000 gates | 72,000 gates |
| Speed Grade | -2 | -1 (slower) | -3 (faster) | -2 (same) | Standard |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| RoHS / Lead Free | RoHS compliant, lead free (GG) | RoHS compliant (GG) | RoHS compliant (GG) | Not RoHS (leaded balls) | RoHS compliant (GG) |
Key Differentiators
- Balanced mid speed grade with lowest cost-per-timing-risk (vs A54SX72A-1FGG484I)
- RoHS-compliant lead-free balls (vs A54SX72A-2FG484I)
- Cost optimization headroom within same footprint (vs A54SX72A-3FGG484I)
- Largest SX-A device: 72K gates and 360 I/O (vs A54SX32A family parts)
Design Notes
Supply the A54SX72A-2FGG484I from a regulated 2.5 V core rail (distributor data cites a 2.25 V to 5.25 V supply domain range). SX-A I/O banks are 5 V tolerant, so direct 5 V TTL interfaces are possible without level translators - a key advantage over SRAM FPGAs. Decouple every supply ball pair with 0.1 uF ceramic capacitors placed within 2 mm of the ball via, plus bulk 10 uF to 47 uF per rail quadrant. Follow the SX-A datasheet power-up ramp-rate guidance and estimate dissipation with Microchip Designer's power calculator before finalizing the board thermal design.
This device is one-time programmable: an antifuse FPGA cannot be erased or reprogrammed, so any logic change consumes a new physical device. Complete post-layout simulation and static timing analysis in Microchip Designer software, and verify the fuse-file checksum, before sending the design to Silicon Sculptor programming. Freeze I/O assignments early because a ball-map error discovered after programming means a respun board plus new devices. Maintain design-revision traceability so production devices are always programmed with the exact validated fuse file.
Use the A54SX72A clock resources deliberately: CLKA and CLKB global clocks serve chip-wide synchronous domains, while the quadrant clock (QCLK) network - documented in Microchip's A54SX72A/RT54SX72S quadrant-clock application notes - handles regional timing, reducing global-clock loading and skew. For wide parallel buses on the 484-FBGA, keep trace-length mismatch within the setup/hold budget derived from the -2 speed grade timing report, and reference high-toggle-rate outputs to a solid ground plane to limit simultaneous-switching noise with 360 available I/O.
The 484-FPBGA (27 x 27 mm, 1.0 mm ball pitch) footprint requires a defined solder-mask opening per the SX-A datasheet mechanical drawing; use the manufacturer-recommended pad geometry rather than a generic 484-BGA pattern. The I suffix confirms -40C to +85C operation, but BGA solder-joint reliability at temperature extremes still depends on correct reflow profile and PCB CTE matching. Provide JTAG access on test points for boundary-scan production test, and keep probe access to supply balls for bring-up voltage verification before programming.
Compliance Information
Distributor listings (Infinity Semiconductor, Kynix, DigiKey) report Lead free / RoHS Compliant for the FGG484 package. REACH, halogen-free, and conflict-minerals status not stated in provided data.
