Microchip Technology

A54SX72A-1FGG484 - 108K-Gate SX-A FPGA, 484-BGA | Microchip

MPN: A54SX72A-1FGG484 ✓ Active
In Stock Ships in 1-3 business days
2.25 V to 5.25 V Vdss 484-BGA (FBGA, 27 x 27 mm) Package 250 MHz Speed
From $515 USD / Unit
MOQ: 1 |
Price updated: 2026-09-03
Volume Pricing
Qty Unit Price Extended
1 $612.15 $612.15
10 $590 $5,900.00
100 $565 $56,500.00
500 $540 $270,000.00
1,000 $515 $515,000.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX72A-1FGG484 — 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-1FGG484I

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (Antifuse FPGA) · 108000 gates · 72000 gates · 4024 cells · 6036 · 360 · 250 MHz · 0.25 um CMOS

✓ In Stock

$225 / Unit

View Datasheet →

A54SX72A-2FGG484

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (antifuse FPGA) · 108,000 (72,000 typical) · 6,036 · 360 · 294 MHz · 2.5 V · 0.25 um CMOS antifuse · -2

✓ In Stock

$85.6 / Unit

View Datasheet →

A54SX72A-FGG484

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (Antifuse FPGA) · 108000 · 72000 · 6036 · 4024 · 360 · 217 MHz · 2.5 V

✓ In Stock

$118.6 / Unit

View Datasheet →

A54SX72A-FGG484A

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (antifuse FPGA) · 108,000 (72,000 typical gates) · [DATA_NEEDED: module count] · 360 · 2.5 V · 217 MHz · 0.25 um CMOS · Antifuse (one-time programmable, OTP)

✓ In Stock

Contact for price

View Datasheet →

A54SX72A-1FGG484M

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (antifuse FPGA) · 108000 · 72000 · 4024 · 6036 · 360 · 250 MHz · 2.5 V

✓ In Stock

$73.4 / Unit

View Datasheet →

A54SX72A-2FGG484I

✅ Drop-In
Microchip Technology
📦 484-FBGA (FG484)
SX-A (A54SX72A) · 72000 gates · 4024 cells · 360 I/O · 294 MHz · 0.25 um · 2.5 V · 2.25 V to 5.25 V

✓ In Stock

$112 / Unit

View Datasheet →

A54SX72A-1FGG484 Maximum Ratings & Electrical Characteristics

Family SX-A (antifuse FPGA)
System Gates 108000
Typical Gates 72000
Logic Cells 4024
Number of I/O 360
Max System Frequency 250 MHz
Process Technology 0.25 um CMOS
Supply Voltage 2.25 V to 5.25 V
Core Supply (Nominal) 2.5 V
Speed Grade -1 (standard)
Programming Technology Antifuse (one-time programmable)
Operating Temperature 0 C to +70 C (TA)
Package 484-BGA (FBGA, 27 x 27 mm)
Mounting Type Surface Mount
Packaging Tray
RoHS Status Lead free (per distributor listing)

A54SX72A-1FGG484 484-bga (fbga, 27 x 27 mm) Pin Configuration Guide

Complete pinout information for A54SX72A-1FGG484 (484-bga (fbga, 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.

484-bga (fbga, 27 x 27 mm) package pinout diagram for A54SX72A-1FGG484

No detailed pinout data available for A54SX72A-1FGG484.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A54SX72A-1FGG484 Drain-to-Source Voltage (Vds) Drain Current (Id)

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-1FGG484 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Line Cards, Test and Measurement Instrumentation, Avionics and Defense Subsystems, Glue-Logic Consolidation in Embedded Systems, Secure Industrial IoT Edge Nodes.

🏭

Industrial Control and Automation

The A54SX72A-1FGG484 fits industrial PLC backplanes and machine-control boards where many I/O standards, timers, and glue-logic functions must be consolidated. Its 360 user I/O and 108K gates let one chip replace dozens of 74-series devices, cutting BOM count and board area, while the 250 MHz-class performance covers high-speed encoder interfaces and motion-control counters. The antifuse fabric is non-volatile and boot-instant, so a line can power up immediately without configuration devices, and the OTP bitstream cannot be dumped from a configuration PROM, improving IP security on the factory floor. Within its 0 C to +70 C commercial rating, decouple the 2.5 V nominal rail locally and use the quadrant clock networks for low-skew distribution to distributed I/O registers.

🌐

Communications and Networking Line Cards

Telecom and datacom line cards use the A54SX72A-1FGG484 for framing, multiplexing, and backplane interfacing. The SX-A architecture's register-rich logic modules and dedicated CLKA/CLKB global plus QCLK quadrant clocks support low-skew timing across the 360 I/O, essential for synchronous serial streams at 250 MHz-class internal rates. Because the device draws very low static power in 0.25 um antifuse CMOS, thermal budget on dense line cards is easier to close than with SRAM FPGAs. The OTP fabric also means no external configuration flash is exposed on the backplane, removing a common attack surface. Compile with the -1 speed grade timing model and verify at the 2.25 V low-supply corner for margin.

🔧

Test and Measurement Instrumentation

Bench and automated test instruments deploy the A54SX72A-1FGG484 as a timing, trigger, and channel-sequencing engine. The 108K-gate array implements multi-channel capture FIFOs, trigger comparators, and protocol generators, while 360 I/O provide dense channel count for fixture interfacing. Deterministic, single-cycle routing through antifuse interconnect gives repeatable trigger-to-capture latency, an attribute measurement systems value over SRAM FPGA routing variability. Instant-on operation means the instrument is ready before the operator finishes power-up checks. Use the -1 grade timing tables in the SX-A datasheet to budget setup/hold at the probe boundary, and reserve quadrant clocks for the master sample clock to minimize skew across channels.

✈️

Avionics and Defense Subsystems

Defense and avionics subsystem boards choose the A54SX72A-1FGG484 where design security and instant-on behavior are procurement requirements. The one-time-programmable antifuse fabric stores no configuration file externally, so interception of a bitstream during boot is structurally impossible, a documented SX-A family advantage over SRAM FPGA competitors. Integration of bus interfaces, watchdog logic, and voter circuits into the 108K-gate array reduces component count on high-reliability boards. Note that this commercial-grade part is rated 0 C to +70 C; for extended-temperature or radiation environments, select the industrial-grade A54SX72A-1FGG484I drop-in or the RT54SX72S rad-tolerant variant from the same architecture.

🧩

Glue-Logic Consolidation in Embedded Systems

A classic SX-A use case is collapsing scattered ASICs, PALs/GALs, and 74-series glue logic into the single A54SX72A-1FGG484, cutting board rework and inventory risk. With 4,024 logic cells, address decoders, bus bridges, interrupt controllers, and wait-state generators all fit comfortably, while the 2.25 V to 5.25 V supply window per distributor data eases integration with legacy 3.3 V and 2.5 V buses. Because the design is fused permanently, fielded systems avoid the configuration-corruption failures that plague flash-based devices in electrically noisy environments. Budget I/O with 20-30 percent spare capacity at compile time, since the OTP fabric cannot be reprogrammed after deployment.

Secure Industrial IoT Edge Nodes

Edge nodes that bridge sensors to industrial networks use the A54SX72A-1FGG484 for deterministic protocol handling and hardware-level IP protection. The 250 MHz-class fabric runs protocol state machines and CRC engines at wire speed, while the OTP antifuse configuration keeps proprietary logic out of reach of firmware-dump attacks, complementing MCU-based security. Instant-on operation fits duty-cycled nodes that must respond within milliseconds of wake, with no configuration latency. Low static power in 0.25 um antifuse CMOS suits passively cooled enclosures. Pair the FPGA with an isolated transceiver stage and a precision ADC channel for condition-monitoring inputs, and validate timing at the 2.25 V supply corner for brownout robustness.

What is the A54SX72A-1FGG484?
The A54SX72A-1FGG484 is a Microchip Technology SX-A family antifuse FPGA with 108,000 system gates (72,000 typical gates), 360 user I/O, and 250 MHz system performance, in a 484-ball FBGA package. The -1 suffix denotes the standard speed grade, rated 0 C to +70 C. According to the Microchip SX-A family datasheet, the device uses one-time-programmable antifuse interconnect in 0.25 um CMOS with a nominal 2.5 V supply.
What is the price of A54SX72A-1FGG484?
The A54SX72A-1FGG484 is listed at $612.15 for quantity 1 at Microchip USA, as of 2026-09-03. Octopart compares bulk discounts from 5 to 6 distributors, so price breaks at higher volumes vary by distributor and stock position. Because this is a mature antifuse FPGA often sourced on allocation, requesting quotes from multiple distributors (DigiKey, Mouser, Octopart-listed brokers) is recommended before committing to a purchase.
Where to buy A54SX72A-1FGG484 online?
You can buy the A54SX72A-1FGG484 from DigiKey (ships today per their listing), Mouser, Microchip USA, Hotenda, and Octopart-listed distributors such as Ampheo and ICHOME. As of 2026-09-03, DigiKey shows stock with same-day shipping under product ID 2859099. Compare at least three distributors via Octopart, since broker stock of this mature Microsemi/Actel-originated part often differs significantly in price and date code.
What is the difference between A54SX72A-1FGG484 and A54SX72A-1FGG484I?
The difference is the temperature grade: the A54SX72A-1FGG484 is the commercial grade rated 0 C to +70 C, while the A54SX72A-1FGG484I is the industrial grade rated -40 C to +100 C / +85 C per the SX-A family datasheet. Both share the identical 484-FBGA package, pinout, 108K-gate architecture, and -1 speed grade, making the -I version a drop-in choice when wider temperature tolerance is needed.
What is the best drop-in replacement for A54SX72A-1FGG484?
The best drop-in replacements are same-family speed/temperature variants in the identical 484-FBGA footprint: A54SX72A-2FGG484 (faster -2 speed grade, pin-compatible, higher performance margin), A54SX72A-FGG484 (base grade), and A54SX72A-FGG484A (revised silicon). According to Microchip, all A54SX72A FG484-family parts share the same pinout, so a design compiled for the -1 device can be recompiled or even carried over to these variants without PCB changes.
Can A54SX72A-2FGG484 replace A54SX72A-1FGG484?
Yes. The A54SX72A-2FGG484 is a pin-to-pin compatible drop-in replacement in the same 484-FBGA package. The only functional difference is the faster -2 speed grade, which meets or exceeds all -1 timing specifications, so a design meeting timing at -1 will also meet timing at -2. Per the SX-A datasheet, no board or routing changes are required; only the programming file must be regenerated for the new speed grade in Libero/MDesigner tools.
When should I choose the -1 speed grade over the -2 grade?
Choose the A54SX72A-1FGG484 (-1 grade) when your design closes timing with margin at 0-70 C and you want the lower unit cost typical of standard grades. Choose the -2 grade only if static timing analysis shows failing paths at 250 MHz-class frequencies or if you need extra margin across voltage and temperature corners. Both share the same 484-FBGA footprint, so the decision is purely parametric and cost-driven, not a board-level trade-off.
Where can I download the A54SX72A datasheet PDF?
The SX-A family datasheet covering the A54SX72A is available as a free PDF from Microchip Technology at ww1.microchip.com (document sxa_ds.pdf), and summary pages exist on datasheets.com and Hotenda. The family datasheet covers logic module architecture, CLKA/CLKB and QCLK quadrant clock networks, DC/AC timing tables per speed grade, and 484-FBGA package mechanical drawings needed for footprint design.
Is A54SX72A-1FGG484 the same as A54SX72A-FGG484?
Not exactly. Both are A54SX72A devices in the same 484-FBGA package with identical pinout and 108K-gate capacity, but the suffixes encode different attributes: FGG484 is the base commercial offering, while -1FGG484 specifies the -1 standard speed grade, and variants with additional letters (A, M, I) denote silicon revisions, lead-free/material composition, or industrial temperature. Check the Microchip ordering-code breakdown in the SX-A datasheet before substituting.
What are the key specifications of A54SX72A-1FGG484 engineers should know?
Key specifications: 108,000 system gates (72,000 typical), 4,024 logic cells, 360 user I/O, 250 MHz maximum system performance, 0.25 um antifuse CMOS process, nominal 2.5 V supply (2.25 V to 5.25 V window per distributor data), 484-ball FBGA (27 x 27 mm) package, -1 standard speed grade, and 0 C to +70 C commercial temperature range. It is one-time programmable, ships in trays, and is listed active by Microchip.
Is the A54SX72A-1FGG484 suitable for rad-tolerant or secure designs?
The SX-A family is widely used where design security matters because its antifuse interconnect is one-time programmed and stores no bitstream in external memory, unlike SRAM FPGAs, making reverse engineering substantially harder. Note, however, that the commercial A54SX72A is not rad-hardened; for space applications Microchip offers the RT54SX72S variant. For terrestrial secure industrial, defense-adjacent, and communications designs, the A54SX72A's OTP nature is a genuine security advantage.
Is A54SX72A-1FGG484 RoHS compliant and lead free?
Distributor listings indicate the A54SX72A-1FGG484 is offered lead free (PCB Electronics Supply Chain explicitly labels it LEAD FREE). Note that some closely related legacy A54SX72A variants, such as A54SX72A-FG484, are listed as RoHS non-compliant, so the suffix letters matter. Always confirm the specific ordering code's material declaration on the Microchip product page before design-in, since the family spans both legacy and lead-free builds.
What power supply does the SX-A FPGA need?
The A54SX72A-1FGG484 operates from a nominal 2.5 V supply, with distributor listings specifying an operating window of 2.25 V to 5.25 V for I/O compatibility. Because antifuse FPGAs are non-volatile, there is no configuration current surge at power-up and static quiescent current is very low compared to SRAM FPGAs, simplifying the power tree. Decouple each supply ball with 0.1 uF ceramics plus bulk capacitance per the SX-A datasheet power guidelines.
Hey Google, what can replace the A54SX72A-1FGG484?
The closest replacements are pin-compatible A54SX72A 484-FBGA variants: A54SX72A-2FGG484 (faster speed), A54SX72A-1FGG484I (industrial temperature), A54SX72A-FGG484A (revised silicon), and A54SX72A-1FGG484M. All are Microchip same-family drop-ins. No pin-compatible cross-brand equivalent exists in the verified data, because the Actel/Microsemi antifuse architecture is proprietary; any cross-brand migration (for example to an SRAM FPGA) would be a functional redesign requiring board and code changes.
What design tools are used to program the A54SX72A-1FGG484?
The A54SX72A is designed with Microchip (formerly Microsemi/Actel) Libero SoC design suite, which succeeds the legacy Actel Designer and MDesigner toolchains. The flow is: synthesis, place-and-route, timing verification, and generation of a programming file that is then blown into the antifuse array once via a programming interface. Because programming is one-time, Microchip documentation recommends completing full simulation and static timing analysis before committing the device.

Engineering reference data for A54SX72A-1FGG484 — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX72A-1FGG484 when you need 108K gates, 360 I/O, instant-on OTP security, and 0 C to +70 C commercial operation at the lowest cost within the FG484 footprint - typical for industrial control, line cards, and test equipment. Select A54SX72A-1FGG484I when the ambient range extends below 0 C (industrial grade, identical pinout). Select A54SX72A-2FGG484 when static timing fails at -1 or you want speed margin; it meets all -1 specifications. Select A54SX72A-FGG484A for updated silicon where Microchip directs revision-sensitive designs. There is no verified pin-compatible cross-brand equivalent: the antifuse architecture is proprietary, so any cross-brand move is a functional redesign. Because the fabric is one-time programmable, lock your design before ordering programming services.

Comparison with Alternatives

Parameter This Product A54SX72A-1FGG484I A54SX72A-2FGG484 A54SX72A-FGG484A A54SX72A-1FGG484M
Package 484-FBGA (FG484) 484-FBGA - same 484-FBGA - same 484-FBGA - same 484-FBGA - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 108000 108000 108000 108000 108000
User I/O 360 360 360 360 360
Speed Grade -1 (standard) -1 -2 (faster) [DATA_NEEDED] -1
Operating Temperature 0 C to +70 C Industrial (-40 C min) 0 C to +70 C [DATA_NEEDED] [DATA_NEEDED]
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
Programming Type Antifuse OTP Antifuse OTP Antifuse OTP Antifuse OTP Antifuse OTP

Key Differentiators

  • Instant-on, secure OTP configuration (vs SRAM FPGA equivalents)
  • Higher performance margin available in same footprint (vs A54SX72A-1FGG484I)
  • Very low static power (vs SRAM-based 100K-gate FPGAs)

Design Notes

The A54SX72A is one-time programmable: once the antifuse array is blown, the device cannot be erased or updated. Complete behavioral simulation, static timing analysis at all voltage/temperature corners, and a design review before programming. Reserve 20-30 percent spare logic and I/O at compile time because no field upgrade path exists. Verify the exact ordering code (speed grade, temperature, material suffix) against your BOM, since A54SX72A variants differ in these attributes while sharing the same footprint.

Supply the array from a nominal 2.5 V rail; distributor data specifies a 2.25 V to 5.25 V operating window. Because the antifuse FPGA is non-volatile, there is no configuration current spike at power-up and static current is very low versus SRAM FPGAs, simplifying power sequencing. Estimate dynamic power with Microchip's power calculator using your actual toggle rates. Decouple each supply ball with 0.1 uF ceramics placed within 2 mm, plus bulk capacitance per the SX-A datasheet power guidelines.

The FG484 package is a 27 x 27 mm fine-pitch 484-ball BGA; define the footprint from the mechanical drawing in the SX-A family datasheet rather than a third-party land pattern. Follow IBIS-based signal integrity rules for the 360 I/O when driving backplane or long trace loads, and use the dedicated CLKA/CLKB global clocks for the system clock while reserving QCLK quadrant clocks for localized low-skew domains, as described in Microchip's quadrant clock application notes for the A54SX72A.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

Distributor listing (PCB Electronics Supply Chain) explicitly labels A54SX72A-1FGG484 as LEAD FREE. Related legacy variant A54SX72A-FG484 is listed RoHS non-compliant; confirm material declaration per ordering code on the Microchip page.

Data verified on: 2026-09-03 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology Microsemi Corporation Actel A54SX72A-1FGG484 A54SX72A-1FGG484I A54SX72A-2FGG484 SX-A family antifuse FPGA FPGA field-programmable gate array programmable logic device one-time programmable (OTP) 484-FBGA BGA package surface mount Libero SoC CLKA/CLKB/QCLK clock networks RoHS lead free industrial automation design security 108K system gates 360 user I/O 2.5 V supply 0.25 um CMOS
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