A54SX32A-1FGG256M - 48K-Gate SX-A FPGA, 256-BGA | Microchip
MPN: A54SX32A-1FGG256M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $89.5 | $89.50 |
| 10 | $82.4 | $824.00 |
| 100 | $74.9 | $7,490.00 |
| 500 | $68.2 | $34,100.00 |
| 1,000 | $62.5 | $62,500.00 |
Drop-in alternatives for A54SX32A-1FGG256M — 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-1FGG256I
✅ Drop-In✓ In Stock
$316.27 / Unit
View Datasheet →A54SX32A-1FGG256
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →A54SX32A-2FGG256I
✅ Drop-In✓ In Stock
$368.59 / Unit
View Datasheet →A54SX32A-FGG256A
✅ Drop-In✓ In Stock
$295.2 / Unit
View Datasheet →A54SX32A-BGG329M
✅ Drop-In✓ In Stock
$97.6 / Unit
View Datasheet →A54SX32A-1FGG256M Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel antifuse FPGA) |
| System Gates | 48000 |
| Logic Modules | C-cell (combinatorial) and R-cell (register) |
| Architecture | Sea-of-modules, one-time programmable antifuse |
| Number of I/Os | 203 |
| Supply Voltage | 2.25 V to 5.25 V |
| Core Supply Voltage | 2.5 V |
| Speed Grade | -1 |
| Operating Temperature | -55C to +125C (TC) |
| Package | 256-BGA (256-FPBGA, 17x17 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Programmability | One-Time Programmable (antifuse) |
| RoHS Status | ROHS3 Compliant |
| Lead Free Status | Lead Free |
| Product Status | Active |
| Manufacturer Lead Time | 20 weeks |
A54SX32A-1FGG256M 256-bga (256-fpbga, 17x17 mm) Pin Configuration Guide
Complete pinout information for A54SX32A-1FGG256M (256-bga (256-fpbga, 17x17 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-1FGG256M.
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-1FGG256M is suitable for 6 applications: Aerospace and Defense Control Logic, Industrial Automation and PLC I/O, Communications Interface Bridging, Test and Measurement Equipment, Medical Device Control Electronics, Security and Camera System Logic.
Aerospace and Defense Control Logic
The A54SX32A-1FGG256M fits aerospace and defense control applications because it combines a -55C to +125C military temperature rating with one-time-programmable antifuse configuration that has no readback path, supporting anti-tamper and IP-protection requirements common in defense programs. The 48K system gates and 203 user I/Os are sufficient to integrate address decoders, bus interfaces, and state machines that would otherwise require several PAL/GAL devices. In use, the FPGA powers up instantly with the configured function - no configuration flash load time and no external configuration device, improving boot reliability in radiation-adjacent and high-vibration environments. The trade-off is OTP rigidity: designs must be fully verified in simulation before programming, and the roughly 20-week lead time demands early procurement in program schedules.
Recommended
Industrial Automation and PLC I/O
In industrial controllers, the A54SX32A-1FGG256M integrates I/O decoding, encoder interfaces, and interlock logic into one 256-FPBGA chip, replacing multi-chip glue logic and cutting board area and assembly cost. Its wide 2.25V to 5.25V supply tolerance bridges 2.5V, 3.0V, and 3.3V rails typical of mixed-voltage PLC backplanes, and the -55C to +125C rating tolerates cabinet hot spots near drives and power electronics that exceed industrial-grade limits. Because antifuse configuration is permanent, the logic behaves identically at every cold start - valuable for safety interlocks that must be active the instant power is applied, with no bootloader or configuration-load window. Designers should budget I/O bank voltages per the SX-A datasheet and prefer the -1 speed grade when timing margins allow, since it is the lowest-cost option in the family.
Recommended
Communications Interface Bridging
The SX-A architecture's fast C-cell/R-cell fabric suits protocol bridging between legacy buses and modern interfaces. With 48K gates and 203 I/Os, the A54SX32A-1FGG256M can implement parallel-to-serial adaptors, custom FIFO control, and address translation between backplane standards and point-to-point links. The sea-of-modules routing gives relatively predictable delays for -1 grade designs running in the tens-of-MHz regime typical of bridge functions, and the antifuse fabric draws no configuration current and exhibits low static power, beneficial in always-on telecom line cards. In deployment, the OTP device sits between processors and transceivers, enabling system-wide savings by integrating multiple discrete logic functions into a single low-cost chip - exactly the integration argument Microchip makes for SX-A. Verify I/O standards (3.3V CMOS/TTL-compatible banks) against the SX-A datasheet before pin planning.
Recommended
Test and Measurement Equipment
Bench and automated test instruments use the A54SX32A-1FGG256M for scan chains, trigger logic, and timing generators where deterministic one-time-programmable behavior simplifies calibration across production units. The 48K-gate capacity handles pattern generators and comparator-lane control, while 203 I/Os interface with ADC/DAC front ends over 3.3V logic banks within the 2.25V to 5.25V supply envelope. Because there is no configuration device, instruments reach a defined logic state immediately at power-up, avoiding measurement artifacts during the configuration window that SRAM FPGAs introduce. The 256-FPBGA 17x17 mm package keeps the logic close to front-end circuitry, shortening critical timing paths. Engineering teams should fix pin assignments early and lock simulations, since OTP silicon cannot be updated in the field if protocol requirements change.
Recommended
Medical Device Control Electronics
Diagnostic and laboratory medical equipment benefits from the A54SX32A-1FGG256M's fixed-function reliability: the antifuse configuration cannot be corrupted by single-event upsets of configuration memory, and instant-on logic ensures motors, shutters, and safety interlocks behave deterministically from power application - relevant to equipment safety cases. The 48K gates integrate sensor sequencing, alarm logic, and host interfaces in one chip; the 2.25V to 5.25V supply range and 203 I/Os accommodate mixed 2.5V/3.3V analog-front-end domains. The -55C to +125C rating comfortably exceeds medical ambient requirements, adding margin for enclosed, fanless assemblies that run warm. Designers normally select this part where long-lifecycle availability and configuration immutability outweigh field-upgradability; if firmware-style updates are required, an SRAM FPGA or microcontroller supervisory path should be added alongside.
Recommended
Security and Camera System Logic
Surveillance and access-control hardware uses the A54SX32A-1FGG256M as tamper-resistant glue logic: because the antifuse bitstream cannot be read back, attackers cannot extract logic designs from deployed units, a property SRAM FPGAs cannot match without encrypted bitstream management. Typical roles include camera timing generation, keypad/relay matrix scanning, and watchdog supervision, well within 48K gates and 203 I/Os. The wide supply tolerance simplifies power design across 2.5V to 3.3V camera modules, and instant-on behavior means the system is protected from the first millisecond of power, with no configuration-load vulnerability window. For deployments outdoors, verify the installation's ambient against the -55C to +125C case rating. Note the OTP constraint: security logic should be finalized and simulation-verified before ordering, given the approximately 20-week lead time.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-1FGG256M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1FGG256I | A54SX32A-1FGG256 | A54SX32A-2FGG256I | A54SX32A-BGG329M |
|---|---|---|---|---|---|
| Package | 256-FPBGA (17x17 mm) | 256-FPBGA (17x17) - same | 256-FPBGA (17x17) - same | 256-FPBGA (17x17) - same | 329-BGA - different |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48 K | 48 K | 48 K | 48 K | 48 K |
| User I/Os | 203 | 203 | 203 | 203 | [DATA_NEEDED] |
| Speed Grade | -1 | -1 | -1 | -2 (faster) | -1 |
| Operating Temperature | -55C to +125C (TC) | -40C to +100C | [DATA_NEEDED] | -40C to +100C | -55C to +125C (TC) |
| 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 Technology | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Key Differentiators
- Military temperature range on the standard 256-FPBGA footprint (vs A54SX32A-1FGG256I)
- Lowest-cost speed grade for timing-comfortable designs (vs A54SX32A-2FGG256I)
- OTP antifuse security with no configuration device (vs Any SRAM FPGA)
Design Notes
The SX-A family is one-time programmable: once the antifuse array is blown there is no design iteration on the same silicon. Complete gate-level simulation with SDF back-annotation in the Microchip Libero SoC/Designer flow, verify timing at the -1 speed grade corner including temperature and voltage derating across 2.25V-5.25V, and only then release the programming file. Given the approximately 20-week manufacturer lead time, a missed verification step can set a program back a full quarter.
Power the I/O banks and core within the 2.25V to 5.25V envelope stated in distributor data, but treat the SX-A datasheet per-pin limits (VCCA, VCCI) as authoritative - I/O bank standards constrain the usable combinations below the absolute envelope. Antifuse FPGAs draw no configuration current and have no in-rush configuration surge, so bulk capacitance requirements are modest; still, decouple each supply ball with 0.1uF ceramics placed within 2 mm of the ball via short vias to the internal plane.
The 256-FPBGA (17x17 mm) uses approximately 1.0 mm ball pitch with perimeter plus partial-array balls; fan out with via-in-pad or dog-bone escape on the outer two rows and route inner balls on inner layers. Follow the tray moisture-sensitivity labeling - bake per standard BGA practice if floor life is exceeded before lead-free reflow (peak approximately 245-260C). Use the manufacturer land-pattern data from the SX-A package drawing rather than third-party footprints.
When migrating between the FGG256 variants listed here (M, I, base, -2), the footprint is unchanged, so lock your pin assignment once and qualify multiple ordering options in the same layout. This hedges supply risk: if military-grade M stock slips, the industrial -1FGG256I drops onto the same board after a temperature-derating review of your application's worst case.
Compliance Information
ROHS3 Compliant and lead free per Microchip USA product listing. REACH, halogen-free, and conflict-minerals status not stated in provided data. Military temperature grade; not an automotive AEC-Q100 program.
