Microchip Technology

A54SX32A-2TQG100I - 32K Gate FPGA, 81 I/O, TQFP-100 | Microchip

MPN: A54SX32A-2TQG100I ✓ Active
In Stock Ships in 1-3 business days
2.5 V (2.25 V to 5.25 V operating range per distributor data) Vdss 100-pin TQFP (TQG100) Package 313 MHz Speed Non-volatile, no external configuration PROM required Memory
From $22.8 USD / Unit
MOQ: 1 |
Price updated: 2026-09-03
Volume Pricing
Qty Unit Price Extended
1 $32.5 $32.50
10 $29.9 $299.00
100 $27.4 $2,740.00
500 $25.1 $12,550.00
1,000 $22.8 $22,800.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32A-2TQG100I — 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-2TQG100

✅ Drop-In
Microchip Technology
📦 TQFP-100 (TQG100)
SX-A (Actel/Microsemi antifuse FPGA) · 48,000 (32,000 typical gates) · 2,880 · 313 MHz · 2.5 V · 0.25 um CMOS · 81 · TQFP-100 (PQFP100)

✓ In Stock

$187.85 / Unit

View Datasheet →

A54SX32A-TQG100I

✅ Drop-In
📦 TQFP-100 (TQG100)
same package/I-O/temp grade, standard speed grade (~238 MHz class) vs -2 grade 313 MHz, slower timing

📋 Reference alternative (not in catalog)

A54SX32A-1TQG100

✅ Drop-In
Microchip Technology
📦 TQFP-100 (TQG100)
2880 · 48000 · 32000 · 278 MHz · 81 · 0.25 um CMOS · 2.5 V · Antifuse (one-time programmable)

✓ In Stock

$21.75 / Unit

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A54SX32A-TQG100A

✅ Drop-In
Microchip Technology
📦 TQFP-100 (TQG100)
SX-A (antifuse FPGA) · 48000 · Up to 108000 · 81 · 2012 · 0.25 um CMOS · Antifuse (one-time programmable) · [DATA_NEEDED: core supply voltage]

✓ In Stock

$235 / Unit

View Datasheet →

A54SX32A-TQG100A

✅ Drop-In
Microchip Technology
📦 TQFP-100 (TQG100)
SX-A (antifuse FPGA) · 48000 · Up to 108000 · 81 · 2012 · 0.25 um CMOS · Antifuse (one-time programmable) · [DATA_NEEDED: core supply voltage]

✓ In Stock

$235 / Unit

View Datasheet →

A54SX32A-2TQG100I Maximum Ratings & Electrical Characteristics

Family SX-A
System Gates 32000 gates
Logic Cells / Modules 1800 cells
Number of I/O 81 I/O
Maximum Toggle Frequency 313 MHz
Process Technology 0.25 um CMOS
Supply Voltage 2.5 V (2.25 V to 5.25 V operating range per distributor data)
Programmable Type One-Time Programmable (antifuse)
Speed Grade -2
Operating Temperature -40C to +85C (Industrial, I suffix)
Package 100-pin TQFP (TQG100)
Mounting Type Surface Mount
Packaging Tray
RoHS Status Lead Free (per distributor data)
Brand / Manufacturer Microchip Technology (formerly Microsemi / Actel)
Max Logic Modules 2880 modules
Configuration Memory Non-volatile, no external configuration PROM required

A54SX32A-2TQG100I 100-pin tqfp (tqg100) Pin Configuration Guide

Complete pinout information for A54SX32A-2TQG100I (100-pin tqfp (tqg100) 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) package pinout diagram for A54SX32A-2TQG100I

No detailed pinout data available for A54SX32A-2TQG100I.

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-2TQG100I 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-2TQG100I is suitable for 6 applications: Industrial Control and Automation, Medical Equipment, Communications and Networking Line Cards, Aerospace and Defense Logic, Legacy System Redesign and BOM Consolidation, Test and Measurement Instrumentation.

🏭

Industrial Control and Automation

The A54SX32A-2TQG100I fits factory automation logic consolidation where multiple TTL, PAL, and CPLD devices are merged into one 32K-gate, 81-I/O device running on a 2.5V rail. Its industrial -40C to +85C rating survives panel and floor environments, and the antifuse fabric powers up instantly functional, eliminating FPGA-configuration boot delay in safety-interlocked machinery. Its 313 MHz-class toggle capacity at the -2 speed grade covers motor-control state machines, encoder decoding, and backplane glue logic with deterministic pin-to-pin timing. Because the programmed interconnect is non-volatile and cannot be read back, proprietary control algorithms remain protected on the production floor. Place 100 nF decoupling per I/O bank and verify 2.5V sequencing per SX-A datasheet recommendations.

💊

Medical Equipment

Distributor data explicitly lists the A54SX32A-2TQG100I for medical equipment, where its instant-on antifuse fabric, deterministic -2 speed grade timing, and readback-protected configuration suit instrument front-end sequencing, sensor interface glue logic, and display control boards. The industrial -40C to +85C range covers clinical ambient conditions with margin, and 81 user I/O is sufficient for multi-channel patient-interface boards, keypad scanning, and LED/LCD drive logic. Operating from a 2.5V supply at 0.25 um CMOS keeps power low in battery-backed portable diagnostics, and the absence of a configuration PROM removes a boot-time failure mode that matters in devices cycled frequently. Designers should add system-level redundancy since the FPGA itself carries no medical certification.

🌐

Communications and Networking Line Cards

In telecom and datacom line cards, the A54SX32A-2TQG100I consolidates address decoding, bus bridging, and framing glue logic between PHYs, MACs, and backplane connectors. The -2 speed grade's 313 MHz toggle class handles fast clock distribution and synchronization counters, while deterministic antifuse delays simplify timing closure without iterative place-and-route risk typical of SRAM FPGAs. The 81 user I/O support wide parallel buses at 3.3V/2.5V levels per SX-A family I/O standards, and the TQFP-100's 0.5 mm pitch suits dense line-card layouts with conventional SMT assembly. Because one-time programming fixes the netlist, revision control equals configuration control, an advantage in carrier equipment audit trails.

✈️

Aerospace and Defense Logic

The SX-A family heritage (Microsemi/Actel) centers on defense and aerospace logic consolidation, and the A54SX32A-2TQG100I extends that lineage to COTS boards needing secure, instant-on programmable logic. The antifuse fabric carries no configuration bitstream in external memory, which removes the most common attack and SEU-configuration-corruption surface, and programmed connectivity survives power cycling and vibration without solder-down configuration PROMs. Its -40C to +85C industrial rating suits ground-based and avionic-adjacent COTS environments, while 32K gates integrate interface protocols, telemetry encoders, and bus arbitration. Verify program retention and radiation requirements at system level; this commercial-catalog part is not a radiation-characterized variant.

🔧

Legacy System Redesign and BOM Consolidation

Engineers maintaining legacy racks built from 54SX (pre-A) or discrete PAL/GAL devices use the A54SX32A-2TQG100I as a single-chip consolidation target: 32K gates and 1,800 cells typically replace dozens of PLDs, cutting board area, inventory SKUs, and assembly cost. Microchip's own positioning states SX-A devices generate system-wide savings by integrating multiple functions into a low-cost single-chip solution, combining performance, security, and low power. The TQFP-100 footprint is assembler-friendly, and identical pinout across speed and temperature grades lets one PCB serve multiple build variants by swapping suffixes. Migrating designs requires Libero SoC design entry, timing verification at the -2 grade, and one-time programming before final board test.

🖥️

Test and Measurement Instrumentation

Bench instruments and automated test equipment (ATE) fixture boards use the A54SX32A-2TQG100I for timing generators, event counters, and scan-chain control between a host processor and DUT connectors. Deterministic antifuse routing gives repeatable channel-to-channel skew, important when multiple boards must behave identically across a production test floor, and the 313 MHz-class toggle supports fast clock dividers and pulse generators. The 81 I/O reach DUT interfaces directly, the 2.5V core keeps board thermals manageable in enclosed instruments, and instant-on operation means the fixture is ready before the host OS completes boot. Non-volatile configuration also prevents accidental or malicious reprogramming of production test stations.

What is the A54SX32A-2TQG100I and what are its key specifications?
The A54SX32A-2TQG100I is a Microchip (Microsemi) SX-A family FPGA with 32,000 system gates, 1,800 logic cells (2,880 modules), 81 user I/O, a 313 MHz maximum toggle rate, and 2.5V operation on a 0.25 um CMOS process. It comes in a 100-pin TQFP (TQG100) package, industrial temperature range -40C to +85C, per Jotrin and Microchip product data. It is one-time programmable, so no configuration PROM is needed.
What is the operating voltage of A54SX32A-2TQG100I?
The A54SX32A-2TQG100I operates from a nominal 2.5V supply in the SX-A family. IC Warehouse lists the operating supply voltage window as 2.25 V to 5.25 V, and Jotrin identifies 2.5V as the SX-A family core voltage. Always confirm per-rail requirements (core versus I/O) in the Microchip SX-A family datasheet before finalizing the power tree.
What is the temperature range of A54SX32A-2TQG100I?
The I suffix in A54SX32A-2TQG100I denotes the industrial temperature grade: -40C to +85C, as confirmed by IC Warehouse attributes (minimum -40C, maximum +85C). For commercial-only environments, the non-I suffix commercial variants such as A54SX32A-2TQG100 cover 0C to +70C; choose the I grade for outdoor, factory, or extended-temperature designs.
What is the difference between A54SX32A-2TQG100I and A54SX32A-TQG100I?
The key difference is the speed grade: the -2 suffix on A54SX32A-2TQG100I denotes a faster grade (FindIC lists 313 MHz for the -2 part versus roughly 238 MHz class timing for the standard-grade part), while both share the same 32K-gate fabric, 81 I/O, TQFP-100 package, and industrial temperature range. Designs meeting timing at the standard grade can substitute the faster -2 part with margin.
Can A54SX32A-TQG100I replace A54SX32A-2TQG100I?
Yes, A54SX32A-TQG100I is pin-compatible and package-identical (TQFP-100, 81 I/O) and can replace the -2TQG100I only if your design meets timing at the slower standard speed grade, roughly 238 MHz class versus 313 MHz per FindIC comparison data. If your design has slack on critical paths, the substitution is a true drop-in; otherwise stay with the -2 grade. Both are industrial-temperature parts.
What is the best drop-in replacement for A54SX32A-2TQG100I?
The best drop-in replacements are same-family Microchip parts in the identical TQG100 (TQFP-100) package: A54SX32A-2TQG100 (commercial-grade equivalent, 100% functional match, narrower 0C to +70C range), A54SX32A-TQG100I (same industrial grade, slower speed grade), A54SX32A-1TQG100 and A54SX32A-TQG100A (speed/grade variants). All are pin-to-pin compatible; verify speed-grade timing in Libero before substitution.
Is A54SX32A-2TQG100I RoHS compliant and lead free?
Yes, distributor listings indicate the A54SX32A-2TQG100I is lead free; PCB Electronics Supply Chain explicitly marks the part LEAD FREE, and IC Warehouse lists RoHS status for the part. For formal REACH, halogen-free, and conflict-minerals declarations, obtain the official Microchip compliance certificate, as this page only carries distributor-level RoHS statements and does not reproduce the full environmental report.
Where can I buy A54SX32A-2TQG100I and what is the price?
The A54SX32A-2TQG100I is listed by six distributors aggregated on Octopart, including Microchip USA, Jotrin Electronics, Nevsemi, and IC Warehouse; DigiKey also lists the closely related A54SX32A-TQG100I in stock with same-day shipping. Prices vary by distributor and stock age, so request a quote on this page for current XAIPART pricing; list prices were not published in the verified data as of 2026-09-03.
Is A54SX32A-2TQG100I in stock and what is the lead time?
Availability is fragmented across brokers and distributors: Octopart reports six distributors offering the exact part, and the sibling A54SX32A-TQG100I ships same-day from DigiKey, suggesting generally healthy supply for this family. Exact real-time stock and lead time for the -2TQG100I were not published in the verified data, so submit a quote request for a confirmed quantity and lead time as of 2026-09-03.
Where can I download the A54SX32A-2TQG100I datasheet PDF?
The authoritative document is the Microchip SX-A Family FPGAs datasheet PDF, hosted on Microchip's document server at ww1.microchip.com (sxa_ds.pdf); it covers all A54SX32A package options including the TQG100, with electrical characteristics, timing by speed grade, and thermal data. The microchip.com product page for A54SX32A also links the current datasheet revision and supporting Libero SoC design software.
Where can I find the A54SX32A-2TQG100I pinout?
The complete 100-pin TQFP pin assignment for the A54SX32A-2TQG100I is in the pinout tables of the Microchip SX-A family datasheet (sxa_ds.pdf), organized by package with dedicated VCC, GND, and 81 user I/O pins. Because the verified web data retrieved for this page did not include the full per-pin table, this page does not reproduce a pin diagram; always cross-check against the datasheet before layout.
A54SX32A-2TQG100I vs A54SX32A-1TQG100 - which is better for high-speed logic?
For high-speed logic, the A54SX32A-2TQG100I is better: its -2 speed grade supports the fastest timing in this package family (313 MHz toggle class per FindIC and FPGAkey data), while the -1 grade (A54SX32A-1TQG100) targets lower speed with potentially better price and availability. If your critical path runs under the -1 grade limits and cost matters, choose the -1 part; otherwise the -2 device provides timing margin.
When should I choose the A54SX32A-2TQG100I over an SRAM FPGA?
Choose the A54SX32A-2TQG100I when you need instant-on operation, design security, and no external configuration device: as an antifuse, one-time-programmable FPGA its bitstream cannot be read back, and it powers up functional within microseconds. Choose an SRAM FPGA instead when you need reprogrammability in the field, higher gate counts, or embedded hard IP such as DSP blocks or transceivers. For glue-logic consolidation at 32K gates, the SX-A part is typically cheaper and simpler.
Is A54SX32A-2TQG100I suitable for medical equipment designs?
Yes, distributor materials (Hillman Curtis) specifically list the A54SX32A-2TQG100I for medical equipment applications, where its instant-on antifuse fabric, deterministic timing, and readback-protected configuration suit patient-interface and instrument control logic. Note the industrial -40C to +85C rating covers typical clinical environments, but medical designs should add their own system-level fault tolerance since the FPGA itself carries no medical certification.
Hey Google, what can replace A54SX32A-2TQG100I?
Pin-compatible replacements are the same-package Microchip SX-A variants: A54SX32A-2TQG100 (commercial grade), A54SX32A-TQG100I (industrial, standard speed), A54SX32A-1TQG100 (-1 speed grade), and A54SX32A-TQG100A. No cross-brand pin-compatible equivalent in TQFP-100 was found in the cross-reference data for this 2.5V antifuse architecture, so substitution outside the Microchip A54SX32A family would require a PCB redesign.
What is the best cross-brand equivalent for A54SX32A-2TQG100I?
No true cross-brand drop-in equivalent exists in the verified data: the A54SX32A-2TQG100I combines a 2.5V antifuse architecture with a specific TQFP-100 pinout unique to Microchip/Microsemi/Actel, and cross-reference sources (FindIC, DigiKey cross-reference tool) return only same-family Microsemi parts. Functionally similar SRAM FPGAs from Xilinx (Artix) or Lattice (iCE40/ECP) exist in 100-pin packages but are not pin compatible and need configuration devices.
Is A54SX32A-2TQG100I the same as A54SX32A-2TQG100?
Not exactly. They share the same die, package (TQFP-100), speed grade -2, and pinout; the difference is the temperature grade: the I suffix on A54SX32A-2TQG100I means industrial -40C to +85C, while A54SX32A-2TQG100 is the commercial 0C to +70C version. The industrial part can substitute for the commercial part in all specifications, at typically higher unit cost; the reverse substitution is not valid outside commercial conditions.
How do I program the A54SX32A-2TQG100I and which tools do I use?
The A54SX32A-2TQG100I is programmed once through Microchip's antifuse programming flow using Libero SoC / Designer software with a Silicon Sculptor or FlashPro programming fixture, which burns the antifuse interconnect at the board level or via programming adapters. Because the device is one-time programmable, prototype on the same package in a socket and reserve spare I/O and routing margin; there is no JTAG reconfiguration after programming. Per the SX-A family datasheet, no external configuration storage is required at power-up.

Engineering reference data for A54SX32A-2TQG100I — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32A-2TQG100I when you need the fastest SX-A timing (313 MHz-class, -2 grade), industrial -40C to +85C operation, and a solder-friendly TQFP-100 footprint in a one-time-programmable, configuration-PROM-free FPGA of about 32K gates and 81 I/O. Select A54SX32A-TQG100I if your paths meet standard-grade timing (~238 MHz class) and you want lower cost; select A54SX32A-2TQG100 for commercial-only enclosures; select A54SX32A-1TQG100 or A54SX32A-TQG100A for cost-optimized, slower designs on the same PCB. Move to A54SX32A BGG/FGG packages only when you need ceramics or higher I/O. Do not choose this family when field reprogrammability, embedded DSP blocks, or transceivers are required - an SRAM FPGA is the right tool there. All listed TQG100 alternatives are pin-to-pin drop-ins on the same footprint.

Comparison with Alternatives

Parameter This Product A54SX32A-2TQG100 A54SX32A-TQG100I A54SX32A-1TQG100 A54SX32A-TQG100A
Package TQFP-100 (TQG100) TQFP-100 (TQG100) - same TQFP-100 (TQG100) - same TQFP-100 (TQG100) - same TQFP-100 (TQG100) - same
Brand Microchip Technology (Microsemi/Actel) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 32000 gates 32000 gates 32000 gates 32000 gates 32000 gates
Speed Grade / Toggle Rate -2 (313 MHz class) -2 (313 MHz class) Standard (~238 MHz class) -1 Standard
User I/O 81 I/O 81 I/O 81 I/O 81 I/O 81 I/O
Supply Voltage 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
Temperature Range -40C to +85C (Industrial) 0C to +70C (Commercial) -40C to +85C (Industrial) [DATA_NEEDED] [DATA_NEEDED]
Programming Type One-Time Programmable (antifuse) One-Time Programmable (antifuse) One-Time Programmable (antifuse) One-Time Programmable (antifuse) One-Time Programmable (antifuse)

Key Differentiators

  • Fastest speed grade in the TQG100 package family (vs A54SX32A-TQG100I)
  • Industrial temperature rating (vs A54SX32A-2TQG100)
  • Non-volatile antifuse fabric with no configuration PROM (vs A54SX32A-1TQG100)
  • Trade-off: one-time programmability limits iteration (vs SRAM-based FPGAs (e.g., Lattice/Xilinx 100-pin parts))

Design Notes

Estimated: the SX-A family runs from a nominal 2.5V supply (IC Warehouse lists a 2.25 V to 5.25 V operating window for this catalog entry); verify core-versus-I/O rail separation in the SX-A datasheet before finalizing the power tree. Provide 100 nF ceramic decoupling per I/O power bank plus 10 uF bulk per rail, placed within 5 mm of supply pins. Because antifuse devices draw no configuration current at power-up, inrush is dominated by decoupling capacitor charging - size the regulator soft-start accordingly. Never hot-swap rails on a programmed device without reviewing the SX-A power-up sequence section of the datasheet.

This is a one-time-programmable antifuse FPGA: there is no JTAG reconfiguration and no design iteration after programming. Prototype on socketed devices, exhaustively verify timing at the -2 speed grade in Microchip Libero/Designer, and reserve 10-15% spare routing and I/O margin before burning. A common error is assuming SRAM-FPGA workflows (repeated reprogramming during bring-up) - budget one programmed unit per design iteration. Additionally, do not substitute the commercial-grade A54SX32A-2TQG100 into designs exposed below 0C; the I-suffix industrial grade is required for -40C operation.

The TQFP-100 package has 0.5 mm pitch leads with inductance higher than BGA equivalents; keep the fastest toggle outputs (clock distribution, counters running near the -2 grade limits) on I/O banks with adjacent ground pins and route with controlled impedance. Series-terminate 22-33 ohm resistors on lines longer than roughly one-third of the signal rise-time propagation length to control ringing. Estimated: at 313 MHz-class edges, treat any trace over 30-40 mm as a transmission line on FR-4. Follow SX-A datasheet I/O banking rules so mixed-voltage banks are not over-driven.

Use the JEDEC-standard TQFP-100 footprint from the Microchip SX-A datasheet package appendix without modification; the exposed leadframe needs no thermal pad, but tie all GND pins solidly to a continuous ground plane with short vias. Keep crystal or clock sources within 25 mm of the dedicated clock-input pins and guard them with ground vias. For rework, TQFP-100 leads are accessible for hot-air replacement, making this package preferable to BGAs for low-volume industrial and medical boards where field repair matters.

Compliance Information

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

Distributor listings (PCB Electronics Supply Chain: LEAD FREE; IC Warehouse: RoHS status listed) indicate lead-free/RoHS status. REACH, halogen-free, and conflict-minerals declarations not present in verified data - request official Microchip compliance certificate.

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-2TQG100I A54SX32A-TQG100I A54SX32A-2TQG100 A54SX32A-1TQG100 SX-A family FPGA Field Programmable Gate Array antifuse one-time programmable TQFP-100 TQG100 surface mount RoHS lead free 32K gates 81 I/O 313 MHz toggle rate 2.5V supply 0.25 um CMOS industrial temperature range Libero SoC Silicon Sculptor programmer
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