A54SX32A-1BGG329M - SX-A FPGA 48K Gates 329-BGA | Microchip
MPN: A54SX32A-1BGG329M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $120 | $120.00 |
| 10 | $108 | $1,080.00 |
| 100 | $96 | $9,600.00 |
| 500 | $88 | $44,000.00 |
| 1,000 | $82 | $82,000.00 |
Drop-in alternatives for A54SX32A-1BGG329M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →A54SX32A-1BGG329M Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 48K |
| Logic Gates | 32K |
| Logic Cells | 1800 |
| Number of I/O | 249 |
| Maximum Frequency | 278 MHz |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Speed Grade | -1 |
| Package | 329-Ball BGA (BGG329) |
| Mounting Type | Surface Mount |
| Programmability Type | One-Time Programmable (antifuse) |
| Packaging | Tray |
| Manufacturer Prefix Status | Originally Microsemi (Actel), now Microchip Technology |
A54SX32A-1BGG329M 329-ball bga (bgg329) Pin Configuration Guide
Complete pinout information for A54SX32A-1BGG329M (329-ball bga (bgg329) 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-1BGG329M.
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-1BGG329M is suitable for 6 applications: Aerospace and Defense Systems, Industrial Control and Automation Backplanes, Communications Line Cards, Legacy Design Obsolescence Mitigation, Secure Embedded Controllers, Test and Measurement Instrumentation.
Aerospace and Defense Systems
The A54SX32A-1BGG329M fits aerospace and defense payloads where instant-on operation and configuration security are mandatory. Its antifuse fabric powers up fully configured with no external boot PROM, eliminating configuration-readout attack paths and configuration-memory upset modes that affect SRAM FPGAs in radiation environments. With 48K system gates and 249 user I/Os in a 329-ball BGA, it implements bus interfaces, telemetry formatting, and control logic at up to 278 MHz. In deployment it typically sits between a microprocessor and custom interfaces, providing deterministic glue logic; the 2.5V core keeps dynamic power low, an important consideration for battery- and solar-powered platforms where every watt of dissipation budget counts.
Recommended
Industrial Control and Automation Backplanes
In industrial control backplanes, the A54SX32A-1BGG329M integrates state machines, address decoding, and bus bridging that would otherwise require multiple discrete logic devices. Microchip's SX-A positioning emphasizes single-chip integration for system-wide cost savings; 1800 logic cells and 249 I/Os accommodate parallel fieldbus interfaces, interlock logic, and sensor aggregation at up to 278 MHz system performance. The one-time-programmable fabric eliminates the risk of accidental reconfiguration from power glitches, a real failure mode in electrically noisy factory environments. Mounted on the PCB as surface-mount 329-BGA, it replaces glue-logic chains and reduces BOM count, while the -1 speed grade provides adequate timing margin for typical PLC and motor-control interface clocks.
Recommended
Communications Line Cards
Communications line cards use the A54SX32A-1BGG329M for framer interfacing, multiplexing, and backplane glue logic. Its 278 MHz toggle capability supports legacy T1/E1 through mid-rate SONET-style data paths, while the 249 user I/Os in the 329-ball BGA provide the pin count needed for wide parallel buses to PHY and framer devices. Because the antifuse fabric contains no configuration memory, link restart after power interruption is immediate, an availability benefit for carrier equipment. The 2.5V core reduces switching losses in always-on telecom hardware. Designers typically connect it between backplane transceivers and line-side processors, exploiting its deterministic timing and secure, unmodifiable configuration across fleet-deployed units.
Recommended
Legacy Design Obsolescence Mitigation
The A54SX32A-1BGG329M is a primary vehicle for sustaining legacy Actel/Microsemi FPGA designs whose original devices are reaching end-of-life or long lead times. The SX-A family maintains design-tool support in Microchip Libero, so existing EDIF netlists and place-and-route databases can be recompiled with minimal changes. With the same 32K gate class and 329-BGA footprint as original SX devices such as the A54SX32-BG329M, boards can often be converted without PCB respin, per FindIC cross-comparison data showing replaceability between SX and SX-A 329-pin parts. The key practice is re-running timing analysis after conversion, since the SX-A -1 grade (278 MHz) is faster than the older SX family's 238 MHz rating.
Recommended
Secure Embedded Controllers
Secure embedded controller designs benefit from the A54SX32A-1BGG329M's inherently non-readable configuration. Unlike SRAM FPGAs whose bitstreams must be stored externally and are vulnerable to interception, the antifuse bitstream exists only as programmed connections inside the die, providing hardware-level design protection for proprietary algorithms, key management logic, and anti-tamper functions. The 48K system gate capacity implements AES-scale state machines and secure boot checkers, while 249 I/Os interface with processors, memories, and sensors. Per Microchip's official SX-A product page, security combined with performance and low power is a core family value proposition. Designs pair it with a host microcontroller, using the FPGA as a hardened, unmodifiable logic trust anchor in the system.
Recommended
Test and Measurement Instrumentation
Test and measurement instruments use the A54SX32A-1BGG329M for timing generation, trigger logic, and interface control. The 278 MHz system performance supports fast counter and time-stamping circuits, while the deterministic antifuse routing delivers repeatable propagation delays that matter in calibration-sensitive instrumentation. With 249 user I/Os in the 329-ball BGA, the device fans out to multiple measurement channels and front-panel interfaces simultaneously. Its instant-on behavior means the instrument is functional the moment power is applied, simplifying power sequencing relative to SRAM FPGA designs that require configuration loading time. Instrument makers also value the configuration immutability: firmware-controlled feature sets implemented in the FPGA cannot drift between units in a production fleet.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-1BGG329M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1BGG329 | A54SX32A-2BGG329I | A54SX32-1BG329 |
|---|---|---|---|---|
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 329-Ball BGA (BGG329) | 329-Ball BGA - same | 329-Ball BGA - same | 329-Pin BGA - same footprint |
| System Gates | 48K (32K gates) | 48K (32K gates) | 48K (32K gates) | 32K gates (SX family) |
| Maximum Frequency | 278 MHz | 278 MHz | 278 MHz (-2 grade, higher margin) | 238 MHz |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Speed Grade | -1 | -1 | -2 (faster) | -1 (SX family) |
| Temperature Grade | [DATA_NEEDED: temperature grade] | [DATA_NEEDED] | Industrial (I) | [DATA_NEEDED] |
| Packaging Media | Tray (M suffix) | Tray/standard | Tray/standard | Tray/standard |
Key Differentiators
- Higher speed grade than original SX family (vs A54SX32-1BG329)
- Speed-grade upgrade path in identical package (vs A54SX32A-2BGG329I)
- OTP antifuse security vs SRAM FPGAs (vs SRAM FPGA equivalents)
Design Notes
The A54SX32A-1BGG329M is a one-time-programmable antifuse device: once programmed, the configuration cannot be erased or changed, and a programming error consumes the part. Complete RTL simulation, static timing analysis, and (where feasible) prototyping in a higher-density or SRAM-based device before committing to Silicon Sculptor programming. Order spare programmed units for field service, since individual rework is impossible.
The 2.5V core supply should be decoupled with multiple low-ESR ceramic capacitors (e.g., 0.1 uF per few power balls plus bulk 10 uF) placed close to the BGA power vias. Estimated: dynamic power scales with toggle frequency, so at the 278 MHz maximum rating, core current rises significantly versus typical 20-50 MHz glue-logic operation - verify core current against the SX-A datasheet power calculator for your actual design utilization rather than assuming worst-case headroom is free.
The 329-ball BGA requires controlled-impedance PCB with via-in-pad or dog-bone fanout; plan a minimum 4-layer stackup with dedicated ground plane for signal return paths. I/O bank voltages must be fixed before routing since antifuse I/O configuration is permanent. For 278 MHz-class signals, keep trace stubs short and length-match wide buses; follow the Microchip SX-A family datasheet package and thermal section for ball-map and land-pattern guidance.
Compliance Information
Compliance status not stated in the provided verified web data; confirm with Microchip product compliance documentation for A54SX32A-1BGG329M.
