Microchip Technology

A54SX32A-2BGG329I - 48K Gate SX-A FPGA 329-BGA | Microchip

MPN: A54SX32A-2BGG329I ✓ Active
In Stock Ships in 1-3 business days
2.5 V Vdss 329-BBGA (BGG329) Package -2 Speed Non-volatile (no external PROM required) Memory
From $95 USD / Unit
MOQ: 1 |
Price updated: 2026-09-03
Volume Pricing
Qty Unit Price Extended
1 $145 $145.00
10 $132 $1,320.00
100 $118.5 $11,850.00
500 $106 $53,000.00
1,000 $95 $95,000.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32A-2BGG329I — 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-2BGG329

✅ Drop-In ⚠️ 参数待验证
📦 329-BBGA
commercial temperature grade (0C to +70C) vs industrial (-40C to +85C); identical die, speed grade, and ball map

📋 Reference alternative (not in catalog)

A54SX32A-1BGG329I

✅ Drop-In ⚠️ 参数待验证
📦 329-BBGA
slower -1 speed grade (approx. 15-20% lower timing performance); same industrial grade, package, and pinout

📋 Reference alternative (not in catalog)

A54SX32A-1BGG329

✅ Drop-In ⚠️ 参数待验证
Microchip Technology
📦 329-BBGA
SX-A · 48000 gates · 2880 · 249 · 278 MHz · -1 · 0.25 um CMOS · 2.5 V

✓ In Stock

$47.6 / Unit

View Datasheet →

A54SX32-BGG329I

✅ Drop-In
Microchip Technology
📦 329-BBGA
32000 · 2880 · 249 · 320 MHz · 240 MHz · 3.7 ns · 0.1 ns · 0.25 ns

✓ In Stock

Contact for price

View Datasheet →

A54SX32-BGG329

✅ Drop-In
Microchip Technology
📦 329-BBGA
32000 gates · 2880 · 249 · 240 MHz · 3.7 ns · 0.1 ns · 0.25 ns · 0.35 um CMOS

✓ In Stock

$515.58 / Unit

View Datasheet →

A54SX32-2BGG329I

✅ Drop-In
Microchip Technology
📦 329-BBGA
SX (Actel/Microsemi SX FPGA) · 48000 · 32000 · 1800 · 249 · 320 MHz · 0.35 um CMOS · 3.3 V / 5 V

✓ In Stock

$88.9 / Unit

View Datasheet →

A54SX32A-2BGG329I Maximum Ratings & Electrical Characteristics

Family SX-A (antifuse FPGA)
System Gates 48000
Logic Cells 1800
User I/O 249
Speed Grade -2
Supply Voltage 2.5 V
Process Technology 0.25 um CMOS
Maximum Internal Frequency Approx. 238 MHz
Program Technology Antifuse (one-time programmable)
Package 329-BBGA (BGG329)
Mounting Type Surface Mount
Temperature Grade I (Industrial, -40C to +85C)
Configuration Memory Non-volatile (no external PROM required)
Design Software Microchip Libero SoC / Actel Designer

A54SX32A-2BGG329I 329-bbga (bgg329) Pin Configuration Guide

Complete pinout information for A54SX32A-2BGG329I (329-bbga (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.

329-bbga (bgg329) package pinout diagram for A54SX32A-2BGG329I

No detailed pinout data available for A54SX32A-2BGG329I.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A54SX32A-2BGG329I 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

A54SX32A-2BGG329I is suitable for 6 applications: Aerospace and Defense Logic, Industrial Control and Automation, Telecom Line Cards, SSI/MSI Logic Integration, Secure Embedded Systems, Test and Measurement Equipment.

✈️

Aerospace and Defense Logic

The A54SX32A-2BGG329I fits aerospace and defense designs where configuration integrity is paramount. Its antifuse fabric is non-volatile and contains no SRAM configuration cells, eliminating the primary mechanism for configuration upset and removing the readable bitstream that SRAM FPGAs expose. With 48,000 gates, 1,800 register cells, and 249 user I/O in the 329-ball BGA, it integrates bus interfaces, custom protocols, and control state machines into one low-power 2.5V device. Used between a processor and backplane interfaces, it boots instantly with no configuration PROM, saving board space and startup time. Designers should validate timing at -40C to +85C industrial corners using Microchip Designer reports before programming, since the device is one-time programmable.

🏭

Industrial Control and Automation

In industrial control systems, the A54SX32A-2BGG329I provides glue logic, I/O expansion, and deterministic sequencing with the industrial -40C to +85C temperature grade required on factory floors. The 2.5V single-supply operation and low static power of the antifuse architecture reduce overall system consumption compared to SRAM FPGAs that draw standby current for configuration. With 249 user I/O available in the 329-ball BGA, it can bridge parallel fieldbus interfaces, drive relay control logic, and implement safety interlock state machines in a single chip, replacing dozens of discrete 74-series devices. Because configuration is permanent, commissioning includes full timing verification at temperature extremes, after which behavior is fixed and immune to bitstream corruption from electrical noise.

🌐

Telecom Line Cards

Telecom line cards benefit from the A54SX32A-2BGG329I's combination of high I/O count and predictable, ASIC-like timing from the segmented antifuse routing. The -2 speed grade supports system clock rates in the 200 MHz class per SX-A family data, sufficient for TDM framing, backplane handshaking, and counters. The 329-ball BGA package offers good signal integrity for high-pin-count bus interfaces and balanced thermal behavior on 2.5V supply. Because the device is instant-on, line cards can complete self-test immediately at power-up without waiting for configuration download from a PROM, reducing boot time. Designers typically pair it with line interface ICs and use the FPGA for channel aggregation, alarm logic, and LED/relay supervision across -40C to +85C operation.

🔧

SSI/MSI Logic Integration

The A54SX32A-2BGG329I excels at consolidating many discrete SSI/MSI logic devices - counters, latches, decoders, comparators, and glue functions - into one antifuse FPGA. Microchip positions SX-A devices specifically for generating system-wide savings by integrating multiple functions into a low-cost single-chip solution. With 48K gates and 1,800 flip-flops, a board area populated by dozens of 74-series packages can collapse into a single 329-ball BGA, cutting BOM count, assembly cost, and failure points. Timing across integrated functions becomes deterministic since routing is fixed after programming. The trade-off is one-time programmability: logic changes require new devices, so design freeze should follow complete simulation. At 2.5V core supply, interface level shifting may be needed for legacy 5V or 3.3V signals.

🎥

Secure Embedded Systems

Secure embedded systems use the A54SX32A-2BGG329I where design IP must be protected. Unlike SRAM FPGAs whose bitstream is stored externally and can be intercepted or cloned, the antifuse configuration exists only as physical connections inside the die, with no readable pattern available at the pins. Microchip highlights security as a core SX-A family benefit alongside performance and low power. The 48K-gate capacity accommodates encryption wrappers, authentication state machines, and anti-tamper supervision logic around a main processor. Instant-on behavior means security functions are active from the first clock, closing the boot-time vulnerability window that PROM-configured devices exhibit. For hostile environments, the industrial temperature grade and BGA mechanical robustness add reliability, and permanent configuration prevents field reprogramming attacks.

🖥️

Test and Measurement Equipment

Test and measurement instruments use the A54SX32A-2BGG329I for trigger logic, timing generation, and interface translation where deterministic timing matters. The antifuse routing yields consistent, fixed propagation delays after programming - valuable in trigger paths and precision timing chains where SRAM FPGA re-route variance is undesirable. The -2 speed grade and 238 MHz-class internal performance support high-resolution counter and event-timestamp functions, while 249 user I/O connect to front-end ADCs, display drivers, and communication ports. Instant-on configuration lets instruments reach operational state immediately at power-up. The industrial temperature grade suits bench and field instruments alike. Because the design is one-time programmable, instrument firmware changes require new devices, so validation discipline is essential before production programming.

What is the A54SX32A-2BGG329I?
The A54SX32A-2BGG329I is a Microchip Technology (formerly Actel/Microsemi) SX-A family antifuse FPGA with 48,000 system gates, 1,800 logic cells, and 249 user I/O in a 329-ball BGA package. The -2 suffix denotes the faster speed grade and the I suffix denotes the industrial temperature range. It operates from a single 2.5V supply on a 0.25 um CMOS process. According to the Microchip A54SX32A product page, SX-A devices integrate multiple functions into a low-cost, single-chip solution.
What are the key specifications of A54SX32A-2BGG329I that engineers should know?
Key specifications: 48K system gates, 1,800 logic cells (C-cells and R-cells), 249 user I/O, 2.5V single supply, 0.25 um antifuse CMOS process, approximately 238 MHz maximum internal performance for the SX32A die, -2 speed grade, industrial -40C to +85C operation, and a 329-ball BGA package. Per the SX-A family data, the antifuse interconnect is one-time programmable and non-volatile, so no configuration PROM is required. DigiKey lists the part as SX-A FPGA IC 249 I/O 329-BBGA.
Is the A54SX32A-2BGG329I in stock and where can I buy it online?
Yes, distributor listings indicate active availability. DigiKey shows 'Order today, ships today' status for A54SX32A-2BGG329I, and Octopart reports the part available from 6 distributors with price comparison. XAIPART also accepts orders and RFQs for this MPN. Because this is a legacy Actel/Microsemi FPGA with finite production, we recommend confirming live stock and requesting a formal quote as of 2026-09-03 before committing to production builds.
What is the price of A54SX32A-2BGG329I?
XAIPART lists tiered pricing for A54SX32A-2BGG329I starting at approximately $145.00 at quantity 1, descending to about $95.00 at 1,000 units, as of 2026-09-03. This legacy SX-A FPGA is a premium, lower-volume part, so prices vary significantly between brokers and franchised distributors. Octopart compares pricing across 6 distributors for this exact MPN. For firm, current pricing on production quantities, request a quote directly - listed prices are indicative and may change without notice.
What is the difference between A54SX32A-2BGG329I and A54SX32A-2BGG329?
The only difference is the temperature grade: the A54SX32A-2BGG329I is the industrial-grade version (I suffix, rated -40C to +85C), while the A54SX32A-2BGG329 without the I suffix is the commercial-grade version (typically 0C to +70C). Both share the identical die, 48K gates, 249 I/O, -2 speed grade, and 329-ball BGA package, so they are pin-to-pin drop-in compatible. Use the I version for industrial, telecom, and defense environments; the commercial version only for controlled indoor environments.
What is the difference between A54SX32A and A54SX32 (non-A)?
The A54SX32A is the newer SX-A generation built on a 0.25 um, 2.5V process with higher speed (approximately 238 MHz class), while the A54SX32 (non-A) is the original SX generation on a 0.35 um, 3.3V/5V process with lower speed (approximately 180-200 MHz class). According to FindIC comparison data, the SX32A offers 32K gates/1,800 cells at 238 MHz, and the SX32 provides the same cell count at a lower clock. Same-family parts in matching packages are generally footprint-compatible, but speed and voltage differ, so verify timing and I/O standards before substituting.
What is the best drop-in replacement for A54SX32A-2BGG329I?
The best drop-in replacements are same-family Microchip parts in the identical 329-ball BGA package: A54SX32A-2BGG329 (commercial temp, pin-to-pin, 100% match), A54SX32A-1BGG329I (same industrial grade, slower -1 speed grade, approximately 90% match), and A54SX32-BGG329I (SX generation, 3.3V/5V, approximately 70-80% match requiring design re-verification). All are one-time-programmable antifuse FPGAs, so your design must be recompiled and reprogrammed for the target die, but the PCB footprint and ball map remain the same.
Is there a Xilinx or Intel (Altera) equivalent for A54SX32A-2BGG329I?
No true cross-brand drop-in equivalent exists. Parametrically similar SRAM FPGAs (e.g., Xilinx Spartan-class or Intel Cyclone-class devices around 30-50K gates) exist, but they use different packages, ball maps, supply architectures, and require external configuration memory - so none are pin-compatible with the 329-ball antifuse BGA. Verified cross-reference searches for this MPN returned only Microsemi/Microchip same-family parts. A functional migration would require PCB redesign and recompiled firmware, per standard FPGA replacement guidance.
When should I choose the A54SX32A-2BGG329I over an SRAM FPGA?
Choose A54SX32A-2BGG329I when your priorities are configuration security (no readable bitstream), instant-on operation without a boot PROM, low static power, and resistance to configuration upsets - typical of defense, aerospace, and secure industrial designs. Choose an SRAM FPGA instead when you need in-system reprogrammability, embedded block RAM/DSP resources, or modern I/O standards beyond what the 0.25 um SX-A generation supports. The trade-off is one-time programmability: design changes require new devices, so fully verify in simulation before programming.
Is the A54SX32A-2BGG329I suitable for aerospace and defense applications?
Yes, the SX-A family is widely used in aerospace and defense because its antifuse configuration is non-volatile and inherently resistant to configuration-memory upset, with no bitstream to corrupt or read out. The A54SX32A-2BGG329I adds the industrial temperature grade for extended environments and a BGA package with robust mechanical connections. Microchip's product page highlights the family's combination of performance, security, and low power. For radiation-critical missions, evaluate the dedicated Hi-Rel/radiation-tolerant variants rather than the standard industrial part.
Where can I download the A54SX32A-2BGG329I datasheet PDF?
The A54SX32A-2BGG329I datasheet is available from the Microchip product page at microchip.com/en-us/product/A54SX32A, which links to the SX-A family datasheet covering the A54SX32A die, including DC/AC timing for the -2 speed grade and the 329-ball BGA package mechanical drawing. Distributors such as DigiKey and Mouser also host the same manufacturer datasheet on their product pages. Use the family-level datasheet plus the correct speed-grade and package addenda when doing timing closure.
Where can I find the pinout / ball map of the A54SX32A-2BGG329I?
The full 329-ball map for the BGG329 package is provided in the SX-A family datasheet package addendum on the Microchip A54SX32A product page. Because the ball map is large (329 balls, of which 249 are user I/O), it is published as a datasheet table rather than a single diagram. When designing your PCB footprint, download the package mechanical drawing from Microchip to obtain ball pitch, array dimensions, and the ball A1 corner marker for correct orientation.
What temperature range does the A54SX32A-2BGG329I support?
The A54SX32A-2BGG329I is the industrial-grade (I suffix) version of the SX32A, supporting -40C to +85C ambient operation per the SX-A family datasheet. The commercial-grade equivalent, A54SX32A-2BGG329 without the I suffix, is typically rated 0C to +70C. Because antifuse FPGAs are one-time programmable, always validate timing at the worst-case corner of your actual operating temperature range using Microchip Designer timing reports before programming production units.
What design software do I need for the A54SX32A-2BGG329I?
You need Microchip's Libero SoC design suite, which includes the Actel Designer place-and-route engine that supports the legacy SX-A family. The flow is: design entry (schematic or HDL), synthesis, place-and-route with the A54SX32A-2 speed-grade timing model, then programming file generation for antifuse programming. Because antifuse devices are one-time programmable, complete full timing simulation and design review before programming. Legacy license availability for SX-A support should be confirmed with Microchip before starting new designs.
What is the lead time and lifecycle status of A54SX32A-2BGG329I?
The A54SX32A-2BGG329I is listed as an active part by DigiKey (ships today as of May 2026) and Mouser, but it belongs to a legacy Actel/Microsemi product generation, so lead times can vary from stock to many weeks depending on volume. XAIPART recommends placing production orders early and considering last-time-buy planning. For long-term programs, qualify the same-family A54SX32A-2BGG329 commercial variant or evaluate newer Microchip FPGA families as a migration path in case of future discontinuation.

Engineering reference data for A54SX32A-2BGG329I — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32A-2BGG329I when you need the fastest standard SX32A speed grade (-2), industrial temperature ratings, and 249 I/O in a 329-ball BGA for defense, telecom, or industrial logic integration. Choose A54SX32A-1BGG329I if your timing closure has margin - the -1 grade is typically less expensive at the same footprint. Choose the commercial A54SX32A-2BGG329 only for controlled 0C to +70C environments. The older SX-generation parts (A54SX32-BGG329I, A54SX32-2BGG329I) share the same BGA footprint but run on 3.3V/5V supplies - select them only when legacy voltage rails demand it. No cross-brand drop-in exists; SRAM FPGAs from Xilinx/Intel require full PCB redesign. All candidates are one-time programmable, so budget programming yields and re-verify your design against the chosen speed grade before committing.

Comparison with Alternatives

Parameter This Product A54SX32A-2BGG329 A54SX32A-1BGG329I A54SX32-BGG329I A54SX32-2BGG329I
Package 329-BBGA (BGG329) 329-BBGA - same 329-BBGA - same 329-BBGA - same 329-BBGA - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 48000 48000 48000 48000 (32000 gates per SX naming) 48000 (32000 gates per SX naming)
Speed Grade -2 -2 -1 (slower) [DATA_NEEDED] -2
Supply Voltage 2.5 V 2.5 V 2.5 V 3.3 V / 5 V 3.3 V / 5 V
User I/O 249 249 249 249 249
Temperature Grade Industrial (-40C to +85C) Commercial (0C to +70C) Industrial (-40C to +85C) Industrial (-40C to +85C) Industrial (-40C to +85C)
Process Technology 0.25 um CMOS 0.25 um CMOS 0.25 um CMOS 0.35 um CMOS 0.35 um CMOS

Key Differentiators

  • Fastest standard speed grade in the SX32A family (vs A54SX32A-1BGG329I)
  • Newer 0.25 um, 2.5V process generation (vs A54SX32-2BGG329I)
  • Industrial temperature grade for extended environments (vs A54SX32A-2BGG329)

Design Notes

The A54SX32A-2BGG329I is a one-time-programmable antifuse FPGA. Unlike SRAM FPGAs, you cannot reprogram it after a design change - every logic revision consumes a new device. Complete HDL simulation, timing simulation at all temperature and voltage corners, and a formal design review before submitting the device to programming. Budget programming yield and spare units into your production plan. Verify the exact ordering code (-2 speed grade, I temperature grade, BGG329 package) when releasing the design to manufacturing, since wrong-suffix parts are not field-upgradeable.

The SX-A family operates from a single 2.5V core supply. Because there is no SRAM configuration array, static (standby) power is inherently low, but dynamic power scales with clock frequency and switching activity - estimate it in Microchip Designer's power calculator for your specific design at the 238 MHz-class internal frequencies. Decouple the 2.5V rail with a network of bulk and 0.1 uF ceramic capacitors placed at the BGA power balls. Note that core I/O signaling is 2.5V-class; level-shift any 3.3V or 5V legacy interfaces rather than relying on pin tolerance.

The 329-ball BGA requires careful footprint and stack-up design. Follow the package mechanical drawing from the SX-A datasheet for ball pitch and land pattern dimensions, and include the A1 corner marker for orientation. Use via-in-pad or dogbone fanout with adequate via annular ring for the fine-pitch array, and route high-speed buses with controlled impedance if timing margins are tight. Provide generous ground return paths under the BGA. Before layout freeze, download the current package drawing from the Microchip A54SX32A product page rather than copying footprints from older boards.

Compliance Information

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

Compliance data not present in the provided web results. Confirm RoHS/REACH status on the Microchip A54SX32A product page or via distributor compliance documentation before procurement.

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 Actel A54SX32A-2BGG329I A54SX32A-2BGG329 A54SX32A-1BGG329I A54SX32-BGG329I SX-A family antifuse FPGA field-programmable gate array FPGA programmable logic 329-BBGA BGA package surface mount 2.5 V supply 0.25 um CMOS speed grade industrial temperature range Libero SoC configuration security one-time programmable aerospace and defense telecom line card
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