A54SX32A-2FGG484 - 48K-Gate SX-A FPGA, 484-FBGA | Microchip
MPN: A54SX32A-2FGG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $213.1 | $213.10 |
| 10 | $202.45 | $2,024.50 |
| 100 | $191.79 | $19,179.00 |
| 500 | $181.14 | $90,570.00 |
| 1,000 | $170.48 | $170,480.00 |
Drop-in alternatives for A54SX32A-2FGG484 — 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:
A54SX32A-2FGG484I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-1FGG484
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →A54SX32A-FFGG484
✅ Drop-In✓ In Stock
$132.5 / Unit
View Datasheet →A54SX72A-2FGG484
✅ Drop-In✓ In Stock
$85.6 / Unit
View Datasheet →A54SX72A-1FGG484
✅ Drop-In✓ In Stock
$515 / Unit
View Datasheet →AX250-2FGG484
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-2FGG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi) |
| Equivalent Gate Count | 48,000 gates |
| Logic Cells | 2880 |
| User I/O | 249 |
| Maximum Toggle Frequency | 313 MHz |
| Speed Grade | -2 |
| Process Technology | 0.25 um CMOS antifuse |
| Core Supply Voltage | 2.5 V |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Supported I/O Voltages | 2.5 V, 3.3 V, 5 V |
| Architecture | Sea-of-modules (C-cell and R-cell) |
| Programmability | One-time programmable antifuse |
| Package | 484-Ball FBGA (FGG484, 27x27 mm) |
| Operating Temperature | -40C to +85C (industrial, -I variant) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
A54SX32A-2FGG484 484-ball fbga (fgg484, 27x27 mm) Pin Configuration Guide
Complete pinout information for A54SX32A-2FGG484 (484-ball fbga (fgg484, 27x27 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 A54SX32A-2FGG484.
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
A54SX32A-2FGG484 is suitable for 6 applications: Industrial Control and Automation, Telecommunications Line Cards, Aerospace and Defense Data Paths, Medical Instrumentation Control Logic, Legacy System Sustainment and BOM Rescue, Security-Critical Single-Chip Integration.
Industrial Control and Automation
In factory automation and industrial control, the A54SX32A-2FGG484 integrates interlock logic, encoder interfaces, and protocol glue logic into one 48,000-gate antifuse chip, replacing multiple discrete 74-series devices and reducing BOM count and failure points. Its 249 user I/Os accept 3.3 V and 5 V industrial signal levels, while the 313 MHz -2 speed grade comfortably covers PWM generation and safety interlock timing. The -I industrial variant is rated -40C to +85C for cabinet environments. Because antifuse configuration is non-volatile, the controller is instantly active at power-up with no configuration PROM that could be disturbed by electrical noise on the factory floor.
Recommended
Telecommunications Line Cards
Telecom line cards use the A54SX32A-2FGG484 for protocol bridging, framing logic, and backplane interface glue logic. The 0.25 um CMOS antifuse fabric provides deterministic interconnect delay, which simplifies meeting fixed T1/E1 or SONET framers' timing windows, and the 2880 logic cells fit counters, shift registers, and state machines typical of line-card supervisory logic. The 484-ball FBGA's fine-pitch ball grid suits high-layer-count telecom boards, and the antifuse fabric's low static power reduces line-card thermal budget. Its single-chip, no-boot behavior ensures the card is operational immediately after hot-swap power sequencing, a key advantage over SRAM FPGAs that need configuration loading time.
Recommended
Aerospace and Defense Data Paths
Actel antifuse FPGAs are a traditional choice in aerospace and defense due to their configuration-upset immunity: there is no SRAM configuration memory to corrupt under radiation or hostile electrical conditions. The A54SX32A-2FGG484 implements data formatting, bus interfaces, and telemetry logic in 48K gates with 249 I/Os, and its non-volatile antifuse bitstream is inherently difficult to read out, supporting design security requirements. The 2.5 V core keeps static power low for conduction-cooled enclosures, while the 313 MHz -2 grade handles high-rate serial framing. Design teams value the deterministic timing that antifuse routing provides for certification analysis and worst-case timing sign-off.
Recommended
Medical Instrumentation Control Logic
Medical diagnostic and monitoring instruments use the A54SX32A-2FGG484 for sensor timing, acquisition sequencing, and host interface logic. The 48,000-gate capacity integrates the control state machines and data-path multiplexing that would otherwise occupy several PLDs, supporting compact instrument designs. Antifuse one-time programming guarantees the shipped configuration cannot drift or be altered in the field, an attribute relevant to regulated medical device change control and software configuration management. With 5 V-tolerant I/O options on the SX-A family, the device interfaces directly with legacy analog front-end boards, and the instant-on behavior removes boot latency from time-critical measurement chains.
Recommended
Legacy System Sustainment and BOM Rescue
Many fielded systems were designed around SX-A antifuse FPGAs and still require exact silicon for spares and continuing production. The A54SX32A-2FGG484 serves legacy sustainment programs where redesign onto modern FPGAs is not economically justified. Because the 484-ball FBGA footprint is shared across the SX32A and SX72A densities, buyers can substitute A54SX72A-2FGG484 during shortages without PCB rework, only recompiling the design in Libero with updated timing constraints. Distributors including LCSC and Microchip USA stock these parts specifically for obsolescence-risk mitigation, making this device a common line item in long-tail BOM procurement lists.
Recommended
Security-Critical Single-Chip Integration
Applications that must prevent design theft use the A54SX32A-2FGG484 because antifuse configuration data is buried in programmed links rather than stored in an external flash or SRAM bitstream. There is no configuration device to intercept, no bitstream upload to snoop, and no readback path typical of SRAM FPGAs, which protects proprietary logic and encryption wrappers. The 48K-gate capacity is sufficient for bus encryption, authentication state machines, and board-level access control logic, while 249 I/Os cover wide system buses. Systems needing instant-on secure operation, such as secure network appliances, also benefit from the absence of a boot-time configuration window.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-2FGG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-2FGG484I | A54SX32A-1FGG484 | A54SX72A-2FGG484 | AX250-2FGG484 |
|---|---|---|---|---|---|
| Package | 484-Ball FBGA (27x27 mm) | 484-Ball FBGA - same | 484-Ball FBGA - same | 484-Ball FBGA - same | 484-Ball FBGA - same package format, different family |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology (Actel AX family) |
| System Gates | 48,000 | 48,000 | 48,000 | 72,000 | 250,000 (AX family scale) |
| Logic Cells | 2880 | 2880 | 2880 | 6036 | [DATA_NEEDED] |
| User I/O | 249 | 249 | 249 | 378 | [DATA_NEEDED] |
| Maximum Frequency | 313 MHz (-2) | 313 MHz | Lower (-1 speed grade) | 313 MHz class (-2) | [DATA_NEEDED] |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | [DATA_NEEDED] |
| Operating Temperature | Commercial (see -I for -40C to +85C) | -40C to +85C industrial | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Configuration | One-time programmable antifuse | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
Key Differentiators
- No configuration device required (vs AX250-2FGG484 (and SRAM FPGAs generally))
- Lowest-cost fit for 48K-gate designs (vs A54SX72A-2FGG484)
- Industrial temperature availability (vs A54SX32A-2FGG484I)
Design Notes
Plan dual-rail power: 2.5 V for the core plus the chosen I/O bank voltage (2.5 V, 3.3 V, or 5 V). The SX-A family supports 2.25 V to 5.25 V supply range per Microchip USA product data. Because antifuse FPGAs have low static current, modest LDOs typically suffice for the core rail, but check worst-case dynamic current at 313 MHz toggle rates in Libero power analysis. Estimated: core dynamic power scales linearly with toggle frequency and logic utilization, so derate at high utilization.
The SX-A is one-time programmable: a bad bitstream consumes the device. Prototype and validate on the same-footprint A54SX72A-2FGG484 first, then program A54SX32A-2FGG484 production units only after timing sign-off in Libero IDE. Also lock I/O bank voltage selection before layout; changing I/O standards later may invalidate the ballout assignments on the 484-ball FBGA and force board respin.
The 484-ball FBGA (27x27 mm, fine pitch) requires controlled-impedance escape routing with via-in-pad or dogbone fanout on high-layer-count boards. Place 100 nF ceramic decoupling capacitors on each power ball group, plus bulk 10 uF per rail. Ball A1 (pin 1) is at the chamfered corner; verify orientation against the datasheet ballout table before generating the footprint to prevent 180-degree rotation errors.
Compliance Information
Distributor data does not state RoHS/REACH status; legacy Actel-era lots may predate RoHS. Verify per date code via Microchip environmental reports.
