A54SX32A-FBGG329 - 48K Gate FPGA 329-BGA | Microchip
MPN: A54SX32A-FBGG329 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $128.5 | $128.50 |
| 10 | $118.2 | $1,182.00 |
| 100 | $105.6 | $10,560.00 |
| 500 | $96.4 | $48,200.00 |
| 1,000 | $89.9 | $89,900.00 |
Drop-in alternatives for A54SX32A-FBGG329 — 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-FBGG329I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-FBGG329M
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-BGG329M
✅ Drop-In✓ In Stock
$97.6 / Unit
View Datasheet →A54SX32A-BGG329M
✅ Drop-In✓ In Stock
$97.6 / Unit
View Datasheet →A54SX32A-2BGG329I
✅ Drop-In✓ In Stock
$95 / Unit
View Datasheet →A54SX32A-1BGG329
✅ Drop-In✓ In Stock
$47.6 / Unit
View Datasheet →A54SX32A-FBGG329 Maximum Ratings & Electrical Characteristics
| Family | SX-A |
| Equivalent System Gates | 48000 |
| Typical Gates Available | 32000 |
| Logic Cells (Modules) | 2880 |
| User I/O | 249 |
| Maximum Clock Frequency | 172 MHz |
| Technology | 0.25 um CMOS, antifuse |
| Core Supply Voltage | 2.5 V |
| Programming Type | One-Time Programmable (antifuse) |
| Package | 329-ball FBGA (S-PBGA-B329) |
| Mounting Type | Surface Mount |
| Architecture | Sea-of-modules |
| Configuration Storage | Non-volatile (antifuse), no external boot device |
| Lead Free | Yes (F = lead-free per ordering code) |
| RoHS Status | Compliant (lead-free version) |
| Design Software | Microchip Libero SoC |
A54SX32A-FBGG329 329-ball fbga (s-pbga-b329) Pin Configuration Guide
Complete pinout information for A54SX32A-FBGG329 (329-ball fbga (s-pbga-b329) 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-FBGG329.
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-FBGG329 is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Systems, Communications and Networking Equipment, Glue Logic Consolidation and ASIC Prototyping, Secure Embedded Control, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX32A-FBGG329 fits industrial control and factory automation systems that need deterministic, instant-on logic without configuration boot delays. Its 48,000 equivalent gates and 249 user I/O consolidate PLC I/O handling, motor-control sequencing, and interface bridging into one low-cost 2.5 V antifuse device, while the 172 MHz maximum clock frequency comfortably covers industrial bus and timer logic. Because the antifuse configuration is stored in silicon, the FPGA is immediately operational at power-up and immune to configuration corruption from brownouts, a common failure mode with SRAM FPGAs in noisy factory power environments. Designers typically implement interface glue logic, address decoding, and state machines, achieving system-level cost savings by replacing multiple discrete ICs with a single 329-ball BGA device programmed once during production.
Recommended
Aerospace and Defense Systems
The SX-A antifuse family is a proven choice for space-constrained aerospace and defense payloads, avionics, and secure communications equipment. The A54SX32A-FBGG329 provides inherent configuration security because the programmed antifuse interconnect cannot be read back or intercepted, unlike SRAM FPGAs whose bitstreams must be protected. For full military-temperature programs, the same die is available as the A54SX32A-FBGG329M with military screening, and as the industrial FBGG329I for extended-temperature avionics; all share the 329-ball footprint for platform reuse. The 0.25 um CMOS process and 2.5 V core yield low static power, valuable in battery- and conduction-cooled platforms, and the non-volatile configuration eliminates radiation-sensitive external configuration flash, simplifying reliability analysis for single-chip mission logic implementations.
Recommended
Communications and Networking Equipment
In telecommunications and networking line cards, the A54SX32A-FBGG329 implements backplane interface glue logic, framing, multiplexing, and control-plane bridging where its 249 user I/O and 172 MHz performance align with legacy T1/E1, serial, and parallel backplane data rates. The antifuse architecture delivers deterministic timing with no configuration latency, so links re-establish instantly after power events, an operational advantage in carrier equipment. The 329-ball FBGA's high ball count supports the wide parallel buses typical of this equipment class, while 2.5 V core operation keeps static power low in always-on rack hardware. Designers consolidate ASIC-prototyping glue, address decode, and hot-swap control logic into one device, and speed-grade variants (-1, standard, -2) let the same PCB be retargeted across line-rate tiers without respin.
Recommended
Glue Logic Consolidation and ASIC Prototyping
A classic use of the 48K-gate A54SX32A-FBGG329 is consolidating dozens of TTL/CMOS glue-logic devices, or prototyping ASIC control logic before commit, in a single one-time-programmable chip. With 2,880 logic cells organized in Microchip's sea-of-modules architecture, designers map decoders, arbiters, bus transceivers, and state machines that would otherwise occupy many 74-series packages, cutting board area, assembly cost, and failure points. Because the device is programmed once and then behaves like a fixed ASIC, production units behave deterministically with no software configuration stack to qualify. The 329-ball FBGA provides ample I/O for wide microprocessor buses, and pin-compatible commercial, industrial, and military orderable variants allow the same validated design to be deployed across product temperature classes with only an ordering-code change.
Recommended
Secure Embedded Control
Applications that must resist cloning and reverse engineering benefit from the A54SX32A-FBGG329's one-time antifuse configuration: there is no external bitstream flash to dump, no configuration readback path, and the programmed interconnect is not observable by optical or electrical probing of an SRAM state. This makes the device suitable for secure bootstrapping logic, authentication front-ends, key-handling control sequencers, and anti-tamper support functions in payment, access-control, and government equipment. The 48,000-gate capacity implements cryptographic-control state machines around external security ICs, while the instant-on property means security logic is active from the first clock edge with no unsecured configuration window. Implement security-critical primitives in dedicated devices and use the FPGA for control and sequencing of the overall secure power-up flow.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment use the A54SX32A-FBGG329 for timing generation, trigger distribution, bus interfacing, and channel-sequencing logic where the 172 MHz maximum clock and deterministic antifuse timing support repeatable measurements. The 249 user I/O accommodate multi-channel stimulus and capture arrays on wide parallel interfaces, and the non-volatile configuration lets instruments power up functional immediately, improving user experience and calibration persistence across power cycles. In production test fixtures, the one-time-programmable nature is an advantage: the shipped test profile is immutable, preventing accidental or malicious fixture reconfiguration. The 2.5 V core with low static power reduces fixture thermal load, and the 329-ball BGA supports dense channel counts, letting designers replace PAL/GAL chains and discrete registers with one validated, single-chip timing backbone.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-FBGG329 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-FBGG329I | A54SX32A-BGG329 | A54SX32A-2BGG329I |
|---|---|---|---|---|
| Package | 329-ball FBGA | 329-ball FBGA - same | 329-ball BGA - same footprint | 329-ball BGA - same footprint |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent System Gates | 48,000 | 48,000 | 48,000 | 48,000 |
| User I/O | 249 | 249 | 249 | 249 |
| Maximum Clock Frequency | 172 MHz | 172 MHz | 172 MHz | 172 MHz (higher guaranteed -2 speed grade timing) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Commercial | Industrial | Commercial | Industrial |
| Lead Finish / RoHS | Lead-free (F prefix) | Lead-free (F prefix) | Tin-lead (legacy) | Tin-lead (legacy) |
| Programming Type | One-Time Programmable antifuse | OTP antifuse | OTP antifuse | OTP antifuse |
Key Differentiators
- Lead-free RoHS-friendly finish for new builds (vs A54SX32A-BGG329)
- Industrial-temperature drop-in availability (vs A54SX32A-FBGG329I)
- Instant-on secure configuration (vs SRAM FPGAs (e.g., Xilinx/Intel equivalents))
- Faster speed-grade option on same footprint (vs A54SX32A-2BGG329I)
Design Notes
The A54SX32A is one-time programmable: once antifuses are burned, the device cannot be erased or reprogrammed. Complete gate-level and timing simulation in Libero SoC, and validate the design on bench hardware using an equivalent in-system-verifiable path, before submitting devices for programming. Order a small pilot quantity of the commercial FBGG329 grade for functional sign-off, and only then program production quantities - a design error at this stage costs the entire device batch.
Estimate: SX-A devices at 2.5 V core draw very low static current (antifuse interconnect has no configuration-path leakage), so total power is dominated by dynamic switching of active clocks and I/O. Budget I/O current per the SX-A datasheet DC characteristics and provide adequate decoupling - a network of at least 0.1 uF and 10 uF ceramic capacitors distributed across the 329-ball package's VCCA/VCCI ball groups per the datasheet power-pin assignment. Never tie unused I/O banks floating; configure them per datasheet recommendations to avoid floating-gate input oscillation.
The 329-ball fine-pitch BGA requires a controlled-impedance multilayer PCB with via-in-pad or dog-bone fanout. Follow the ball map in the SX-A family datasheet exactly - power, ground, and I/O balls are fixed by the die and cannot be swapped. For signal integrity on fast (172 MHz-class) edges, keep stub lengths short in the fanout region and reference I/O signals to solid ground planes. Mouser's SX-A datasheet includes thermal characteristics that depend on the board's ability to dissipate heat; verify junction temperature against your airflow and copper-pour assumptions at maximum toggling rates.
Ordering-code discipline matters in this family: the letter positions encode plating (F = lead-free, no F = tin-lead), temperature grade (commercial, I = industrial, M = military), and speed grade (none, -1, -2). Mixing these up in procurement yields functionally similar but formally non-compliant parts for regulated builds. For legacy RoHS-exempt programs the BGG329 tin-lead variant is acceptable; for new commercial designs always specify the FBGG329 lead-free version and the exact speed grade validated in Libero timing analysis.
Compliance Information
F-prefix ordering code denotes lead-free plating per Microchip ordering convention; distributor listings (Kynix) confirm LEADFREE status. REACH, halogen-free, and conflict-minerals status not stated in reviewed web data.
