Microchip Technology

A54SX32A-TQG100M - 48K-Gate Antifuse FPGA, 81 I/O | Microchip

MPN: A54SX32A-TQG100M ✓ Active
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2.5 V nominal (2.375 V to 2.625 V) Vdss 81 Package up to 238 MHz Speed
From $50.87 USD / Unit
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Price updated: 2026-09-03
Volume Pricing
Qty Unit Price Extended
1 $78.5 $78.50
10 $70.65 $706.50
100 $62.8 $6,280.00
500 $56.52 $28,260.00
1,000 $50.87 $50,870.00
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Drop-in alternatives for A54SX32A-TQG100M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A54SX32A-TQG100A

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SX-A (antifuse FPGA) · 48000 · Up to 108000 · 81 · 2012 · 0.25 um CMOS · Antifuse (one-time programmable) · [DATA_NEEDED: core supply voltage]

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A54SX32A-2TQG100I

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📦 100-pin TQFP (TQG100)
SX-A · 32000 gates · 1800 cells · 81 I/O · 313 MHz · 0.25 um CMOS · 2.5 V (2.25 V to 5.25 V operating range per distributor data) · One-Time Programmable (antifuse)

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A54SX32A-2TQG100

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📦 100-pin TQFP (TQG100)
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A54SX32A-1TQG100

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2880 · 48000 · 32000 · 278 MHz · 81 · 0.25 um CMOS · 2.5 V · Antifuse (one-time programmable)

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A54SX16A-1TQG100M

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📦 100-pin TQFP (TQG100)
SX-A · 24000 · 16000 · 924 · 81 · 2.5 V · 263 MHz · 1.2 ns

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A54SX16A-TQG100A

✅ Drop-In
Microchip Technology
📦 100-pin TQFP (TQG100)
SX-A (antifuse FPGA) · 24000 gates · Approx. 16000 gates · 81 · 1452 · 924 · 227 MHz · 0.25 um CMOS

✓ In Stock

Contact for price

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A54SX32A-TQG100M Maximum Ratings & Electrical Characteristics

Family SX-A (Actel/Microsemi antifuse FPGA)
System Gates 48000
Available System Gates up to 108000
Logic Modules / Cells 2880
Dedicated Flip-Flops up to 2012
User I/O (this package) 81
Maximum User I/O (family) 360
Supply Voltage (core) 2.5 V nominal (2.375 V to 2.625 V)
I/O Supply 3.3 V
Toggle Frequency up to 238 MHz
Process Technology 0.25 um CMOS
Programming Technology One-time programmable antifuse
Package 100-pin TQFP (TQG100), 14x14x1.4 mm, 0.5 mm pitch
Mounting Type Surface Mount
RoHS Status Compliant (M suffix, lead free)
Packaging Tray

A54SX32A-TQG100M 100-pin tqfp (tqg100), 14x14x1.4 mm, 0.5 mm pitch Pin Configuration Guide

Complete pinout information for A54SX32A-TQG100M (100-pin tqfp (tqg100), 14x14x1.4 mm, 0.5 mm pitch 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.

100-pin tqfp (tqg100), 14x14x1.4 mm, 0.5 mm pitch package pinout diagram for A54SX32A-TQG100M

No detailed pinout data available for A54SX32A-TQG100M.

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-TQG100M 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-TQG100M is suitable for 6 applications: Industrial Control and Automation, Telecommunications Line Cards, Aerospace and Defense Logic Replacement, ASIC Prototyping and Emulation, Bus Bridging and Legacy Interface Glue, Secure Embedded Controllers.

🏭

Industrial Control and Automation

The A54SX32A-TQG100M suits industrial control boards that need fixed, instant-on logic glue between PLC processors, motor controllers, and fieldbus interfaces. Its 48,000 system gates absorb address decoding, state machines, and I/O expansion, while the 81 user I/O in the TQG100 package interface 3.3 V and 5 V-tolerant logic domains. Because the antifuse configuration is retained through power cycles, machinery starts immediately without configuration boot delay, and the programmed netlist cannot be read back, protecting proprietary control IP on the factory floor. The 2.5 V core keeps dynamic power low in always-on panels.

🌐

Telecommunications Line Cards

In telecom line cards and backplane adapters, the A54SX32A-TQG100M bridges processors to framers, T1/E1 PHYs, and serial links where predictable timing matters. The sea-of-modules architecture delivers internal toggle rates up to 238 MHz, sufficient for clock-domain crossing logic and framing state machines, while low antifuse interconnect capacitance keeps routing delays short and repeatable. The 3.3 V I/O banks match legacy telecom signaling levels directly, eliminating level shifters. Instant-on behavior lets cards participate in backplane arbitration immediately at power-up, and one-time programming secures provisioning logic in deployed equipment.

✈️

Aerospace and Defense Logic Replacement

The SX-A family is widely used in long-lifecycle aerospace and defense systems because antifuse FPGAs are inherently single-event-upset tolerant in configuration (no configuration memory to corrupt) and offer strong design security. The A54SX32A-TQG100M replaces obsolete ASIC and bipolar logic in avionics peripherals, test sets, and satellite ground equipment. The 48,000-gate capacity consolidates hundreds of SSI/MSI devices into one 100-pin TQFP, cutting board area and solder joints. Fixed programming means flight hardware is bit-identical unit to unit, simplifying qualification and configuration management across long production runs.

🔧

ASIC Prototyping and Emulation

Design teams migrating small ASICs to standard parts use the A54SX32A-TQG100M as a secure, fixed-function implementation target. Its 2,880 logic modules and up to 2,012 flip-flops map small ASIC netlists, and the 238 MHz toggle ceiling supports moderately clocked cores. Unlike SRAM prototyping platforms, the programmed antifuse device becomes the deliverable itself: once timing-verified, the same silicon ships in the product, removing prototype-to-production risk. Plan I/O allocation carefully because one-time programming forbids later pin re-mapping, and reserve spare I/O on the 81 available TQG100 pins for engineering changes.

🖥️

Bus Bridging and Legacy Interface Glue

The A54SX32A-TQG100M is a natural fit for PCI-to-local-bus bridges, VME interface glue, and legacy 5 V-era bus adapters. The 81 user I/O with 3.3 V I/O supply provide enough pins for full 32-bit address/data buses plus control strobes in the compact 14x14 mm TQFP. Low, deterministic antifuse routing delays simplify meeting bus setup and hold budgets without iterative timing closure. Instant-on configuration means the bridge is active before host enumeration completes, and the secure one-time-programmable fabric prevents firmware extraction of bridge implementations in commercially deployed equipment.

🎥

Secure Embedded Controllers

Applications that must protect proprietary algorithms - payment terminals, access-control panels, and licensed equipment - benefit from the A54SX32A-TQG100M's antifuse security. There is no configuration bitstream stored off-chip and no readback path from the programmed die, so reverse engineering requires physical decapping. The 2,012 flip-flops implement cryptographic state machines and secure counters, while 81 I/O drive keypad matrices, displays, and reader interfaces. The 2.5 V core with low leakage supports battery-backed enclosures, and RoHS-compliant M packaging keeps the secure controller valid for global commercial deployment.

What is the A54SX32A-TQG100M?
The A54SX32A-TQG100M is a Microchip Technology SX-A family one-time-programmable antifuse FPGA with 48,000 system gates, 2,880 logic modules, and 81 user I/O pins in a 100-pin TQFP (TQG100) package. It runs from a 2.5 V core supply on a 0.25 um CMOS process and supports toggle rates up to 238 MHz. The M suffix indicates RoHS-compliant, lead-free packaging supplied in trays. According to Microchip product data, SX-A devices integrate multiple functions into a low-cost, single-chip solution.
What are the key specifications of A54SX32A-TQG100M engineers should know?
Key specifications: 48,000 system gates (up to 108,000 available), 2,880 logic cells with up to 2,012 dedicated flip-flops, 81 user-programmable I/O in the TQG100 package (360 max in family), 2.5 V nominal core supply (2.375 V to 2.625 V) with 3.3 V I/O, 238 MHz toggle rate, 0.25 um CMOS antifuse process, and RoHS-compliant lead-free tray packaging. This factual profile comes from the Microchip SX-A family documentation and distributor listings for the MPN.
What is the difference between A54SX32A-TQG100M and A54SX32A-2TQG100I?
Both are SX-A A54SX32A FPGAs in the same 100-pin TQFP package and are pin-compatible. The differences are speed grade, temperature grade, and compliance marking: the TQG100M is the standard speed grade with RoHS-compliant lead-free (M) marking, while the 2TQG100I carries the faster -2 speed grade and industrial temperature range (I) marking. Timing-driven designs should re-verify static timing when switching between the two because the -2 grade shifts internal delays.
A54SX32A-TQG100M vs A54SX32A-TQG100A - which should I choose?
Choose the A54SX32A-TQG100M for new designs requiring RoHS/lead-free compliance; the TQG100A is the earlier non-M grade commonly carried for legacy repair. Both share the identical die, 48,000-gate capacity, 81 I/O TQFP-100 footprint, and 2.5 V operation, so the programmed design transfers directly. According to Microchip family documentation, function and programming are identical; the choice is driven by environmental compliance requirements and existing board BOM continuity rather than electrical performance.
When should I choose A54SX32A-TQG100M over an SRAM FPGA?
Choose the A54SX32A-TQG100M when you need instant-on configuration, design security, and low dynamic power without a configuration flash device. The one-time-programmable antifuse fabric retains configuration through power cycles, cannot be read back as a bitstream, and has lower interconnect capacitance than SRAM routing. Choose an SRAM FPGA instead if you need in-field reconfiguration, iterative prototyping on the same chip, or much higher logic density. For fixed-function, long-lifecycle industrial and aerospace logic, the antifuse approach reduces BOM count and tamper risk.
What is the best drop-in replacement for A54SX32A-TQG100M?
The best drop-in replacements are same-family Microchip A54SX32A parts in the identical 100-pin TQFP package: A54SX32A-TQG100A (non-M RoHS predecessor), A54SX32A-2TQG100 (faster -2 speed grade), A54SX32A-1TQG100 (slower -1 grade for cost-optimized timing), and A54SX32A-2TQG100I (faster grade, industrial temperature). All are pin-to-pin compatible with the TQG100M; the trade-off is speed grade and temperature rating, both of which exceed or match the base part so existing designs program and run unchanged.
Can A54SX32A-TQG100A replace A54SX32A-TQG100M?
Yes. The A54SX32A-TQG100A is pin-to-pin and functionally identical to the A54SX32A-TQG100M, sharing the same die, 48,000 system gates, 81 user I/O, TQFP-100 (TQG100) footprint, and 2.5 V supply. The primary difference is the compliance suffix: the M version is the RoHS-compliant, lead-free offering, while the A grade is typically carried as non-M stock for legacy boards. For new RoHS-regulated designs specify the M version; for sustaining legacy production the A grade can substitute electrically.
Where to buy A54SX32A-TQG100M online?
The A54SX32A-TQG100M is available from major distributors including DigiKey (listed as 'SX-A FPGA IC 81 I/O 100-LQFP', ships same day), Mouser Electronics, Newark, Arrow, and Ampheo, with pricing comparison available on Octopart, which tracks 7 distributors for this MPN. MicrochipDirect also lists the part. Availability fluctuates for antifuse FPGAs, so buyers should verify stock and date codes before committing, and consider authorized excess channels such as Microchip USA for volume requirements.
What is the price of A54SX32A-TQG100M?
Pricing for the A54SX32A-TQG100M varies by distributor and volume; unit pricing from authorized distributors as of 2026-09-03 is shown in the price tiers on this page, with discounts at 10, 100, 500, and 1,000 pieces. Mid-range antifuse FPGAs of this gate count typically price in the tens of dollars per unit in single quantities. Octopart reports 7 distributors carrying the part, so comparing bulk discounts across DigiKey, Mouser, and Arrow is recommended before large purchases.
Is A54SX32A-TQG100M in stock and what is the lead time?
Stock status changes frequently: DigiKey's listing states 'Buy now, ships today' for the A54SX32A-TQG100M, indicating same-day shipment when in stock, and Octopart tracks availability across 7 distributors. Because this is a mature antifuse FPGA family, some distributors hold limited on-hand stock while others quote lead times. As of 2026-09-03, buyers should confirm live inventory on the distributor pages linked in the data sources section rather than relying on cached stock counts.
Where to download the A54SX32A-TQG100M datasheet PDF?
The SX-A family datasheet covering the A54SX32A-TQG100M can be downloaded from the official Microchip product page at microchip.com/en-us/product/A54SX32A, and distributor sites such as DigiKey, Mouser, Ampheo, and Newark provide datasheet PDF download links on their product pages. Third-party archives like DigChip also index the A54SX32A-TQG100 specifications. Always prefer the Microchip official document for the current revision, since it is the authoritative source for timing, DC characteristics, and programming details.
Where can I find the A54SX32A-TQG100M pinout?
The 100-pin TQFP pinout for the A54SX32A-TQG100M is provided in the SX-A family datasheet package tables available on the Microchip A54SX32A product page. Because user I/O are programmable, the datasheet defines the physical pin map (power, ground, dedicated, and I/O pads) while your design assigns I/O functions during place-and-route in the Libero/Microchip design tools. This page does not reproduce the full 100-pin table; consult the official datasheet package section for pin numbers before layout.
What supply voltages does A54SX32A-TQG100M require?
The A54SX32A-TQG100M requires a nominal 2.5 V core supply, with the permitted operating range of 2.375 V to 2.625 V, and a 3.3 V supply for I/O operation, according to Microchip SX-A family data. Designs should provide clean, decoupled rails with local 0.1 uF ceramic capacitors at each supply pin pair. Because the device is one-time programmable, power-supply sequencing during programming must follow the datasheet programming specification to ensure reliable antifuse blowing.
What is the best Xilinx or Lattice equivalent for A54SX32A-TQG100M?
There is no true cross-brand drop-in equivalent: the A54SX32A-TQG100M uses Actel/Microsemi antifuse technology whose 100-pin TQFP pinout and programming model are proprietary, and neither Xilinx nor Lattice offers a pin-compatible antifuse device. Functionally similar one-time-programmable or secure FPGAs include Microchip's own RTAX/Microsemi families for higher density, while SRAM-based Xilinx Spartan or Lattice iCE40 devices require configuration flash and PCB changes. For a footprint-compatible substitution, stay within the Microchip A54SX32A TQG100 variants.
Can I prototype with A54SX32A-TQG100M given it is one-time programmable?
Yes, but plan for it. Because the antifuse fabric can only be programmed once, complete full simulation and timing closure in the Microchip design software before committing a device. Many teams prototype using reprogrammable SRAM FPGA platforms or commercial variants of the same die, then move to the A54SX32A-TQG100M for production. Order spare units (the tray packaging supports this) and reserve I/O margin in pin assignment, since a logic change requiring re-mapping cannot be absorbed by an already-programmed part.
Is A54SX32A-TQG100M RoHS compliant and lead free?
Yes. The M suffix in A54SX32A-TQG100M denotes the RoHS-compliant, lead-free package version. Distributor data for this MPN explicitly lists 'RoHS Status: RoHS Compliant' and 'Lead Free Status: Lead Free'. Older non-M variants such as A54SX32A-TQG100A may not carry the same compliance marking, so designs targeting the EU RoHS directive or similar regulations should specify the M grade on the bill of materials and verify date-code compliance on receipt.

Engineering reference data for A54SX32A-TQG100M — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32A-TQG100M for new or RoHS-regulated designs needing 48,000 antifuse gates, 81 user I/O, and instant-on secure configuration in a 14x14 mm TQFP. Pick A54SX32A-2TQG100I when static timing fails at standard grade or ambient temperatures exceed commercial range - same footprint, faster timing, industrial rating. Pick A54SX32A-1TQG100 when your design is timing-relaxed and cost dominates. Pick A54SX32A-TQG100A only for legacy non-M BOMs, since it lacks the confirmed RoHS marking. Pick A54SX16A-1TQG100M if your netlist fits 16K gates and you want the cheapest RoHS option on the same PCB footprint. All five share the TQG100 pinout, so the decision is purely parametric: gates, speed grade, temperature, and compliance. Prototype with reprogrammable platforms or spare units; antifuse programming is irreversible.

Comparison with Alternatives

Parameter This Product A54SX32A-TQG100A A54SX32A-2TQG100I A54SX32A-1TQG100 A54SX16A-1TQG100M
Package 100-pin TQFP (TQG100), 14x14x1.4 mm 100-pin TQFP (TQG100) - same 100-pin TQFP (TQG100) - same 100-pin TQFP (TQG100) - same 100-pin TQFP (TQG100) - same
Brand Microchip Technology (Microsemi/Actel) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 48000 48000 48000 48000 16000
User I/O 81 81 81 81 81
Speed Grade / Toggle Rate Standard (up to 238 MHz family toggle) Standard - same -2 (faster) -1 (slower) -1 (slower, smaller die)
Temperature Grade M grade (commercial/RoHS) Commercial (A) Industrial (I) Commercial M grade (RoHS)
Core Supply Voltage 2.5 V (2.375 V to 2.625 V) 2.5 V 2.5 V 2.5 V 2.5 V
RoHS / Lead Free Compliant (M suffix) [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] Compliant (M suffix)
Programming Type One-time programmable antifuse Antifuse OTP Antifuse OTP Antifuse OTP Antifuse OTP

Key Differentiators

  • Design security through OTP antifuse fabric (vs A54SX32A-2TQG100I)
  • RoHS-compliant lead-free packaging (vs A54SX32A-TQG100A)
  • Balanced cost/timing choice between speed grades (vs A54SX32A-2TQG100I)
  • Full 48K-gate capacity in the compact TQFP-100 (vs A54SX16A-1TQG100M)

Design Notes

Provide a nominal 2.5 V core rail (2.375 V to 2.625 V) and a 3.3 V I/O rail, each decoupled with 0.1 uF ceramic capacitors at every supply pin pair plus bulk capacitance near the regulator. Antifuse FPGAs draw low static current, but simultaneous output switching on the 81 I/O can inject ground bounce; keep the 3.3 V rail lightly loaded per bank and assign high-drive outputs to spread corners of the TQFP. Estimated: 20 outputs switching 20 pF loads at 50 MHz yields roughly 40 mA of dynamic I/O current (I = C*V*f*N), which is well within family capability but should be simulated in your power budget.

The antifuse fabric is one-time programmable: a design error after programming cannot be corrected in-system. Complete gate-level simulation and static timing analysis in the Microchip design software before committing silicon, and never program the production unit until the identical design has been validated. Reserve spare I/O pins for engineering changes, because re-mapping a programmed part is impossible. Also, the M grade is the RoHS version; mixing non-M stock into a RoHS BOM is a compliance defect that surfaces at audit.

The TQG100 TQFP uses a 0.5 mm pitch with 14x14 mm body; use a standard gull-wing footprint with ~0.3 mm stencil openings to avoid solder bridging, and inspect with magnification or X-ray on reflow. Route the 2.5 V and 3.3 V planes as solid pours beneath the device. For signal integrity on bus interfaces, keep 238 MHz-class internal outputs' board traces short and series-terminate long lines. The exposed package is lead-free (M grade) - verify your reflow profile matches lead-free SAC alloy peak temperatures.

Assign I/O early with the family timing model: antifuse routing delay depends on fanout and placement, so locking critical interfaces to dedicated pins during synthesis avoids late surprises. Since reprogramming cannot relocate pins, freeze the pinout before PCB layout sign-off and document it against the datasheet package table. Group clock inputs to dedicated clock-capable pins and keep the programming supply ramp per datasheet programming requirements if field-programming the tray units on your own programmer fixture.

Compliance Information

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

Distributor data explicitly states 'Lead Free Status: Lead Free; RoHS Status: RoHS Compliant' for the M-suffix part. REACH and halogen-free status not stated in provided data.

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-TQG100M A54SX32A-TQG100A A54SX32A-2TQG100I A54SX16A-1TQG100M SX-A family antifuse FPGA field-programmable gate array one-time programmable TQFP-100 QFP package family surface mount RoHS 0.25 um CMOS process 48,000 system gates 81 user I/O 2.5 V core supply 238 MHz toggle rate industrial control aerospace and defense telecommunications line card design security
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