Microchip Technology

A54SX32-1TQG144M - 32K Gate FPGA 280MHz 144-TQFP | Microchip

MPN: A54SX32-1TQG144M ✗ End of Life
In Stock Ships in 1-3 business days
3.3 V / 5 V Vdss 144-TQFP (TQG144) Package 280 MHz Speed Non-volatile (no external boot device required) Memory
From $29.4 USD / Unit
MOQ: 1 |
Price updated: 2026-09-02
Volume Pricing
Qty Unit Price Extended
1 $42.5 $42.50
10 $38.9 $389.00
100 $35.2 $3,520.00
500 $32.1 $16,050.00
1,000 $29.4 $29,400.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32-1TQG144M — 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:

A54SX32-1TQG144I

✅ Drop-In
Microsemi
📦 144-TQFP (TQG144)
Actel SX (54SX) · 32000 gates · 1800 cells · 113 I/O · 280 MHz · 0.35 um CMOS · 3.3 V / 5 V · Antifuse (one-time programmable)

✓ In Stock

Contact for price

View Datasheet →

A54SX32-1TQG144

✅ Drop-In
Microchip Technology
📦 144-TQFP (TQG144)
Actel SX (54SX) Antifuse FPGA · 32000 gates · 1800 cells · 2880 · 280 MHz · 0.35 um CMOS · 3.3 V / 5 V · 113 inputs / 113 outputs

✓ In Stock

$48.1 / Unit

View Datasheet →

A54SX32-TQG144M

✅ Drop-In
Microchip Technology
📦 144-TQFP (TQG144)
Actel SX (SX-A compatible family) · 48K · 1800 · 113 · 2.5 V · 0.25 um CMOS · 238 MHz · 144-TQFP (LFQFP), square, gull-wing

✓ In Stock

$1703.75 / Unit

View Datasheet →

A54SX32-2TQG144I

✅ Drop-In
Microchip Technology
📦 144-TQFP (TQG144)
Actel SX (54SX) · 32000 · 1800 · 113 · 320 MHz · 0.35 um antifuse · 3.3 V / 5 V · One-Time Programmable (antifuse)

✓ In Stock

$45.6 / Unit

View Datasheet →

A54SX32-TQG144I

✅ Drop-In
Microchip Technology
📦 144-TQFP (TQG144)
Actel SX (SX-A compatible series) · 32000 gates · 1800 cells · 240 MHz · 0.35 um CMOS · 113 · 3.3 V / 5 V · 144-pin TQFP (TQG144)

✓ In Stock

$32.3 / Unit

View Datasheet →

A54SX32A-1TQG144M

✅ Drop-In
📦 144-LQFP (TQG144)
SX-A generation die in same 144-TQFP footprint; verify timing migration per SX-A datasheet

📋 Reference alternative (not in catalog)

A54SX32-1TQG144M Maximum Ratings & Electrical Characteristics

Family Actel SX (54SX) antifuse FPGA
System Gates 32000 gates
Logic Cells 1800 cells
Number of I/O 113
Maximum Clock Frequency 280 MHz
Supply Voltage 3.3 V / 5 V
Process Technology 0.35 um CMOS
Programming Technology Antifuse (one-time programmable)
Speed Grade -1
Package 144-TQFP (TQG144)
Mounting Type Surface Mount
Architecture Sea-of-modules (C-cells and R-cells)
Configuration Memory Non-volatile (no external boot device required)

A54SX32-1TQG144M 144-tqfp (tqg144) Pin Configuration Guide

Complete pinout information for A54SX32-1TQG144M (144-tqfp (tqg144) 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.

144-tqfp (tqg144) package pinout diagram for A54SX32-1TQG144M

No detailed pinout data available for A54SX32-1TQG144M.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A54SX32-1TQG144M 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

A54SX32-1TQG144M is suitable for 6 applications: Industrial Control and Automation, Telecommunications and Networking Line Cards, Aerospace and Defense System Logic, Test and Measurement Equipment, Legacy System Repair and Life-Cycle Extension, Medical Device Control Logic.

🏭

Industrial Control and Automation

The A54SX32-1TQG144M fits industrial control backplanes and PLC I/O modules where deterministic, glueless integration of counters, sequencers, and bus interfaces is required. Its 32K system gates and 113 user I/Os absorb discrete control logic that would otherwise need several ASSPs, while the antifuse fabric powers up instantly with configuration fixed in silicon - no configuration controller or boot flash is needed, improving fault behavior on factory floors. The -1 speed grade's 280 MHz capability comfortably covers industrial timing such as 100 Mbps fieldbus PHY interfacing. Because the device is one-time programmable, complete and verify the design in simulation and on a prototype board before committing production programming; for plants with wide ambient swings, select the industrial A54SX32-1TQG144I instead.

🌐

Telecommunications and Networking Line Cards

In telecom and networking line cards, the A54SX32-1TQG144M implements address decoding, bus bridging, framing glue logic, and control state machines between PHY/MAC devices and backplane processors. The SX sea-of-modules architecture delivers deterministic, low-skew routing suited to the sub-280 MHz timing closure these designs need, and dual 3.3V/5V supply compatibility simplifies mixed-voltage card designs common in legacy telecom shelves. The 113 I/Os in the compact 144-TQFP footprint keep card real estate small. Designers should budget I/O standards and drive strengths against the SX datasheet DC characteristics, and note that antifuse one-time programming means the bitstream is immune to configuration upset - a reliability plus for long-uptime network equipment.

✈️

Aerospace and Defense System Logic

Antifuse FPGA technology is favored in aerospace and defense because configuration is burned into silicon: there is no configuration readback path, reducing design-theft risk, and no SEU-prone configuration memory to refresh - the device is inherently rad-tolerant by architecture. The A54SX32-1TQG144M's 32K gates and 113 I/Os implement mission sequencing, telemetry encoding, and sensor-interface glue logic in a compact 144-TQFP. For flight programs, Microchip's related RTAX antifuse families extend this architecture to radiation-hardened grades, making the SX a practical breadboarding or non-flight-critical platform. Designers should verify temperature qualification (choose I-suffix parts) and consult the 54SX datasheet for programming and screening flow options applicable to defense programs.

🔧

Test and Measurement Equipment

Bench and production test instruments use the A54SX32-1TQG144M for trigger logic, timing generators, counter/timer arrays, and instrument bus interfacing (e.g., control-plane glue around processor and communication ICs). The -1 grade's 280 MHz toggle capability supports high-resolution timing functions, and the 113 user I/Os accommodate multi-channel stimulus and capture in one device. Instant-on antifuse configuration means the instrument is operational at power-up without boot latency - valuable for rack equipment with rapid cycling. Layout-wise, keep the TQFP's 0.5 mm lead pitch fan-out short and use solid ground planes to preserve signal integrity on fast edges; the deterministic SX routing also simplifies repeatable timing characterization across production units.

💡

Legacy System Repair and Life-Cycle Extension

The primary modern use of the A54SX32-1TQG144M is sustaining legacy designs: replacing failed or scarce SX parts in installed industrial, telecom, and medical equipment. Because pin-to-pin family variants (A54SX32-1TQG144I, A54SX32-TQG144M) share the exact TQG144 footprint and the SX-A generation (A54SX32A-1TQG144M) keeps the same package, a repair stock of a few speed/temperature variants covers most field replacements. Original design netlists can be recompiled in Libero for the replacement speed grade and re-programmed. Buyers should verify commercial (M) versus industrial (I) temperature suffix against the equipment environment and confirm remaining die programming compatibility of legacy fuse-map flows before committing repairs.

💊

Medical Device Control Logic

Non-flight-critical medical equipment - patient monitors, diagnostic bench instruments, and therapy-device control boards - uses the A54SX32-1TQG144M for interface glue, encoder/decoder functions, and safety-interlock logic. The one-time-programmable antifuse fabric provides tamper-resistant, instantly available configuration with no external boot memory to corrupt, supporting deterministic power-up behavior valued in medical control paths. The 3.3V/5V supply flexibility eases integration into mixed-voltage boards inherited from older designs. Regulatory teams should document the component per design-history-file requirements and choose the correct temperature suffix for the device's operating envelope; because this is a mature part, qualify a second source suffix within the same family for long-term supply resilience.

What is the A54SX32-1TQG144M and what are its key specifications?
The A54SX32-1TQG144M is a Microchip (Actel) SX-family antifuse FPGA with 32,000 system gates, 1800 logic cells, and 113 user I/Os in a 144-pin TQFP package. Per Kynix product listings it is fabricated in 0.35 um CMOS, operates from 3.3V/5V supplies, and the -1 speed grade supports up to 280 MHz. Its one-time-programmable antifuse fabric needs no external configuration device.
Where can I download the A54SX32-1TQG144M datasheet PDF?
The A54SX32-1TQG144M datasheet is the Microchip 54SX Family FPGAs datasheet, downloadable directly from ww1.microchip.com under the A54SX32 product page and from distributor sites such as Ampheo and Jotrin. Microchip recommends downloading it from microchip.com to ensure you receive the latest revision covering DC/AC characteristics, pinout tables, and programming guidance for the TQG144 package.
What is the price of A54SX32-1TQG144M?
Pricing for the A54SX32-1TQG144M varies by distributor and quantity; Octopart lists one distributing source for this exact MPN. XAIPART pricing as of 2026-09-03 starts at 42.50 USD at qty 1, stepping down to approximately 29.40 USD at qty 1000. Because this is a legacy Actel SX part, stock is limited and prices can move quickly - request a quote for current availability.
Is the A54SX32-1TQG144M still in production or obsolete?
The A54SX32-1TQG144M belongs to the legacy Actel SX family, which Microchip classifies as a mature product line rather than an active new-design part; the SX family page remains on microchip.com and distributors still list stock. For new designs Microchip steers customers to current FPGA families, but for maintenance of existing SX-based systems the part remains procurable through distribution and excess-inventory channels.
What is the best drop-in replacement for A54SX32-1TQG144M?
The closest drop-in replacements are same-family Microchip parts in the identical 144-TQFP (TQG144) footprint: A54SX32-1TQG144I (industrial temperature, pin-to-pin identical), A54SX32-1TQG144 (non-green variant), and A54SX32-TQG144M (standard speed grade, same package). All share the same 32K-gate SX die and 113 I/Os, so they solder onto the same land pattern - choose by temperature range and speed-grade requirement.
Can A54SX32A-1TQG144M replace A54SX32-1TQG144M?
Yes, with verification. The A54SX32A-1TQG144M is the SX-A family successor in the same 144-LQFP/TQFP footprint, and DigiKey/Mouser list it as the actively stocked adjacent part. SX-A offers improved specifications (the A variant is listed at 48K system gates on Mouser for the A54SX32A family marketing name) while retaining family-level tool and design flow compatibility. Verify timing and pinout against the SX-A datasheet before dropping it into an SX board.
A54SX32-1TQG144M vs A54SX32A-1TQG144M - which is better for new designs?
For new designs, the A54SX32A-1TQG144M is generally the better choice: it is the SX-A generation with improved speed and availability, whereas the SX (non-A) family is mature. For repairing or extending existing SX-based PCBs where the exact die behavior matters, stay with the A54SX32-1TQG144M. Both share the 144-TQFP footprint, so board-level compatibility is straightforward either way - the decision hinges on lifecycle risk.
When should I choose the -1 speed grade A54SX32 over faster grades like -2?
Choose the A54SX32-1TQG144M when your design's critical paths run comfortably below the -1 grade's 280 MHz capability - you gain lower cost and often better supply availability. Choose -2 speed grades (e.g., A54SX32-2TQG144I) only if static timing analysis of your design fails at -1. Note that on this antifuse architecture, speed grades are separate orderable parts; you cannot regrade a programmed device.
Where can I buy A54SX32-1TQG144M online?
You can buy the A54SX32-1TQG144M through XAIPART directly, and it is also referenced on Octopart with one distributing source; historically DigiKey, Mouser, Ampheo, Kynix, and Jotrin have listed A54SX32 family stock (often under the A54SX32A variant). Given limited multi-distributor coverage for this exact MPN, XAIPART supports quote-based ordering for volume requirements with lead-time confirmation.
Is the A54SX32-1TQG144M in stock and what is the lead time?
Stock status for the A54SX32-1TQG144M fluctuates because it is a mature Actel SX part with only a single distributor listing per Octopart data as of 2026-09-03. XAIPART holds inventory positions on SX-family parts and confirms lead time at order entry; contact sales for real-time quantity availability. For unstocked volumes, expect factory lead times typical of legacy programmable logic, which can extend to many weeks.
What package does the A54SX32-1TQG144M use and is it RoHS compliant?
The A54SX32-1TQG144M uses a 144-pin Thin Quad Flat Pack (TQFP), orderable code TQG144, surface-mounted on a standard quad land pattern with 0.5 mm lead pitch. The G in TQG144 denotes the green/RoHS packaging variant per Microchip naming conventions, but you should confirm the RoHS certificate on the Microchip product page for this specific suffix, since older non-green TQ144 variants of the same die also exist.
Is the A54SX32-1TQG144M suitable for industrial temperature applications?
The M suffix on A54SX32-1TQG144M denotes the commercial temperature variant per Microchip suffix conventions; the I-suffix parts (such as A54SX32-1TQG144I) are the industrial-range equivalents in the same package. If your application operates outside commercial ambient conditions, select the A54SX32-1TQG144I instead - it is pin-to-pin identical, so no PCB change is required. Confirm the exact operating range in the 54SX datasheet for your environment.
What development tools do I need for the A54SX32 SX family FPGA?
The A54SX32 SX family is designed with Microchip (formerly Microsemi/Actel) Libero SoC design software, which replaced the legacy Actel Designer flow for SX devices; design entry is via Verilog/VHDL or schematic, followed by place-and-route and antifuse programming file generation. Programming requires the antifuse programming hardware specified in the device documentation since the one-time-programmable fabric is burned at programming, not loaded from flash at power-up.
What is the best Microchip equivalent for A54SX32-1TQG144M in a different package?
Cross-brand equivalents are not applicable here - the Actel SX antifuse fabric has no true drop-in equivalent from other FPGA vendors. Within Microchip, the same A54SX32 die is offered in TQ144, PQ208, CQ208, and BG329 packages (e.g., A54SX32-TQG144M or A54SX32-PQG208M) for different I/O and footprint needs, but only same-package 144-TQFP members are drop-in; other packages require board redesign.
How many I/O pins does the A54SX32-1TQG144M have and what logic capacity?
The A54SX32-1TQG144M provides 113 user I/Os out of its 144 TQFP pins, with the remainder committed to power, ground, and programming pins. Its logic capacity is 32,000 system gates organized as 1800 logic cells (Kynix lists 1800 cells at 0.35 um CMOS), implemented in the SX sea-of-modules fabric of combinational C-cells and sequential R-cells, sufficient for bus interfacing, control logic, and moderate datapath integration.

Engineering reference data for A54SX32-1TQG144M — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32-1TQG144M when you must sustain or repair an existing Actel SX-based board in a commercial-temperature environment and need the -1 (280 MHz class) timing margin in the 144-TQFP footprint. Choose A54SX32-1TQG144I instead if the equipment sees industrial ambient temperatures - it is pin-to-pin identical with no redesign. Choose the standard-speed A54SX32-TQG144M when your netlist has ample timing slack and you want the lowest-cost same-die option. Choose the -2 grade A54SX32-2TQG144I only if static timing fails at -1. For new designs, prefer the A54SX32A-1TQG144M (SX-A generation, same package, better availability), re-verifying timing against SX-A datasheet specifications. There is no cross-vendor drop-in: other FPGA architectures cannot be swapped onto this footprint. Verify programming-flow compatibility and suffix requirements before committing any production order, since antifuse devices cannot be reworked.

Comparison with Alternatives

Parameter This Product A54SX32-1TQG144I A54SX32-TQG144M A54SX32-2TQG144I A54SX32A-1TQG144M
Package 144-TQFP (TQG144) 144-TQFP (TQG144) - same 144-TQFP (TQG144) - same 144-TQFP (TQG144) - same 144-LQFP (TQG144) - same footprint
Brand Microchip Technology (Actel) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 32000 32000 32000 32000 32000 (SX-A family)
Speed Grade -1 (280 MHz class) -1 Standard (slower) -2 (faster) -1 (SX-A timing)
User I/O 113 113 113 113 113
Temperature Range Commercial (M suffix) Industrial (I suffix) Commercial (M suffix) Industrial (I suffix) [DATA_NEEDED: A54SX32A-1TQG144M temperature range]
Supply Voltage 3.3 V / 5 V 3.3 V / 5 V 3.3 V / 5 V 3.3 V / 5 V 3.3 V / 5 V
Configuration Type Antifuse (one-time programmable, non-volatile) Antifuse Antifuse Antifuse Antifuse

Key Differentiators

  • Instant-on non-volatile configuration (vs A54SX32A-1TQG144M)
  • Speed/temperature variant coverage in one footprint (vs A54SX32-TQG144M)
  • Commercial temperature optimization (vs A54SX32-1TQG144I)

Design Notes

Antifuse FPGAs are one-time programmable: once the fuse map is burned, the device cannot be reprogrammed. Complete full functional simulation and validate on a prototype device before production programming. Also verify the temperature suffix before ordering - the M (commercial) and I (industrial) variants are separate orderable parts, and substituting the wrong suffix in a wide-ambient product can cause field failures.

The 144-TQFP has a 0.5 mm lead pitch; fan out breakout traces promptly (minimum 5-6 mil trace/space is typical) and place series termination resistors near the FPGA for fast output edges to control ringing on board-level nets. Use a solid, unbroken ground plane under the device and place 0.1 uF decoupling capacitors at each supply pin group plus one bulk capacitor per rail, keeping loops short to minimize ground bounce on the 113 I/Os.

The SX family supports 3.3V core with 5V-tolerant/compatible I/O configurations per the 54SX datasheet; confirm the exact VCCI/VCCI-table usage for your I/O standards before connecting 5V buses. Static power of antifuse fabric is very low compared to SRAM FPGAs, but dynamic power scales with toggle rate - estimate I/O switching current when many of the 113 outputs toggle at high frequency and budget regulators accordingly.

Treat unused TQFP pins per the datasheet recommendation (typically tied to ground or left per I/O bank rules) and do not route programming pins casually - the antifuse programming interface must remain accessible during manufacturing programming. Plan test-point access for boundary-scan or functional verification before the device is programmed, since post-programming rework is impossible.

Compliance Information

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

RoHS/green status should be confirmed on the Microchip product page for the exact TQG144 suffix; the G package code conventionally denotes the green/lead-free packaging variant but this was not explicitly stated in the provided web 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 Actel A54SX32-1TQG144M A54SX32A-1TQG144M A54SX32-1TQG144I A54SX32-2TQG144I SX family FPGA SX-A family antifuse FPGA one-time programmable FPGA programmable logic 144-TQFP QFP package family surface mount 0.35 um CMOS 32K system gates 113 user I/O 280 MHz sea-of-modules architecture Libero SoC industrial control telecommunications aerospace and defense
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