Microchip Technology

A54SX32A-TQG144IX53 - 48K Gate Antifuse FPGA 144-TQFP | Microchip

MPN: A54SX32A-TQG144IX53 ✓ Active
In Stock Ships in 1-3 business days
2.5 V Vdss 144-pin TQFP (PQFP) Package 238 MHz Speed
From $302 USD / Unit
MOQ: 1 |
Price updated: 2026-09-03
Volume Pricing
Qty Unit Price Extended
1 $375 $375.00
10 $351.23 $3,512.30
100 $335 $33,500.00
500 $318 $159,000.00
1,000 $302 $302,000.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32A-TQG144IX53 — 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-TQG144I

✅ Drop-In
📦 144-TQFP
standard industrial ordering code vs IX53 bin; same 32K-gate die, 113 I/O, identical footprint

📋 Reference alternative (not in catalog)

A54SX32A-2TQG144I

✅ Drop-In
📦 144-TQFP
faster '-2' speed grade (-2 vs IX53 bin); same die, same 113 user I/O, pin-to-pin compatible; Octopart lists as equivalent ($351.225)

📋 Reference alternative (not in catalog)

A54SX32A-TQG144A

✅ Drop-In
Microchip Technology
📦 144-TQFP
SX-A (antifuse FPGA) · 48000 · 32000 · 1800 · 113 · 238 MHz · 0.25 um · 2.5 V

✓ In Stock

$72 / Unit

View Datasheet →

A54SX32-TQ144I

✅ Drop-In
Microchip Technology
📦 144-TQFP
SX (Actel/Microsemi SX series) · 48,000 · 1800 · 2880 · 113 · 2.5 V · 238 MHz · 0.25 um

✓ In Stock

$250.11 / Unit

View Datasheet →

A54SX32-1TQG144I

✅ Drop-In ⚠️ 参数待验证
Microsemi
📦 144-TQFP
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-TQG144M

✅ Drop-In ⚠️ 参数待验证
Microchip Technology
📦 144-TQFP
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 →

A54SX32A-TQG144IX53 Maximum Ratings & Electrical Characteristics

Family Actel SX-A
System Gates 32000
Equivalent Gates (module organization) 48000
Logic Cells 1800
Configurable Logic Modules (CLBs) 2880
User I/O 113
Max Internal Frequency 238 MHz
Process Technology 0.25 um CMOS antifuse (0.22/0.25 um)
Core Supply Voltage 2.5 V
I/O Supply Voltage 2.5 V / 3.3 V / 5 V
Clock-to-Out (pin-to-pin) 3.7 ns
Input Setup Time 0.1 ns
Clock Skew 0.25 ns
Programming Technology Antifuse (one-time programmable, nonvolatile)
Package 144-pin TQFP (PQFP)
Temperature Grade Industrial (-40C to +85C), per IX ordering code
Mounting Type Surface Mount

A54SX32A-TQG144IX53 144-pin tqfp (pqfp) Pin Configuration Guide

Complete pinout information for A54SX32A-TQG144IX53 (144-pin tqfp (pqfp) 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-pin tqfp (pqfp) package pinout diagram for A54SX32A-TQG144IX53

No detailed pinout data available for A54SX32A-TQG144IX53.

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-TQG144IX53 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-TQG144IX53 is suitable for 6 applications: Industrial Control and Automation Logic, PCI Bus Interface and Bridge Logic, Aerospace and Defense Secure Logic, Communications and Networking Equipment, Test and Measurement Instrumentation, Legacy 5V System Migration and BOM Rescue.

🏭

Industrial Control and Automation Logic

The A54SX32A-TQG144IX53 fits industrial control and factory automation designs that need high gate utilization, deterministic timing, and power-up nonvolatile operation. Its 32K system gates and 2880 configurable logic modules integrate sequencer, state-machine, and glue-logic functions that would otherwise require several CPLDs, cutting board area and BOM cost. The 3.7 ns pin-to-pin clock-to-out and 0.25 ns clock skew support synchronous backplane interfaces, while 5 V-tolerant I/O modes connect directly to legacy 5 V PLC signaling. Because the antifuse fabric retains its configuration through power cycles and brownouts, no external configuration flash is needed - a reliability advantage in electrically noisy factory environments.

🖥️

PCI Bus Interface and Bridge Logic

The SX-A family datasheet explicitly positions the A54SX32A for 66 MHz PCI CPLD and FPGA integration as a single-chip solution. With 0.1 ns input setup, 0.25 ns clock skew, and 3.7 ns clock-to-out, the device closes PCI timing at 66 MHz while achieving 100% resource utilization with 100% pin locking - critical when a fixed PCB layout must survive logic updates. The 32K-gate density accommodates a complete PCI target or compact master/bridge function, and the 113 user I/O cover the full 32/64-bit PCI signal group plus local-side logic. Antifuse interconnect's low capacitance also lowers dynamic I/O power, useful in multi-slot PCI systems.

✈️

Aerospace and Defense Secure Logic

Antifuse FPGAs are preferred in aerospace and defense payloads because the one-time-programmable fabric contains no bitstream that can be read out or corrupted by SEU-induced configuration upsets in the way SRAM FPGAs can. The A54SX32A-TQG144IX53's industrial ordering code suits ruggedized ground and airborne-support equipment, while other SX-A ordering codes (e.g., M suffix bins) address extended-temperature programs. The 48,000-gate module organization and 1800 cells absorb command decoders, telemetry formatters, and bus glue logic in a single 144-TQFP, reducing component count on high-reliability boards. Low static power of the antifuse fabric also helps in power-constrained platforms.

🌐

Communications and Networking Equipment

Networking line cards and backplane controllers benefit from the SX-A's high internal speed (238 MHz) and fast pin-to-pin timing for framing, multiplexing, and bus-translation logic. The A54SX32A-TQG144IX53 integrates address decoding, interrupt control, and PHY-side glue logic that would otherwise occupy multiple discrete devices, delivering the family's promised system-wide cost savings from single-chip integration. Its 3.3 V and 2.5 V I/O compatibility matches modern PHY and MAC voltages, while 5 V-tolerant modes bridge legacy telco interface boards. The configuration-security of antifuse technology also protects proprietary protocol logic from extraction in field-deployed telecom hardware.

🔧

Test and Measurement Instrumentation

Bench instruments and ATE modules use the A54SX32A-TQG144IX53 as a timing-controller and trigger-logic engine. The 0.25 ns clock skew across the fabric keeps parallel sampling strobes aligned, and the 3.7 ns clock-to-out supports rapid stimulus handshaking. With 2880 logic modules, a single device replaces the pattern-generator counters, edge decoders, and interface state machines typically spread across several SPLDs, improving timing predictability. The industrial temperature range and nonvolatile antifuse configuration allow the same board to ship into both lab and factory-floor instrument variants without configuration storage or boot sequencing, simplifying calibration and reducing startup latency to zero.

🦾

Legacy 5V System Migration and BOM Rescue

Many service programs still run 5 V buses that modern SRAM FPGAs cannot directly join. The A54SX32A-TQG144IX53 accepts 5 V I/O operation alongside 3.3 V and 2.5 V, letting engineers consolidate obsolete PAL/GAL/22V10 and EPLD clusters into one antifuse FPGA without level-shifting silicon. This is a common BOM-rescue strategy when original programmable parts go end-of-life: the 144-TQFP footprint and 113 user I/O absorb multiple legacy pinouts, and pin locking keeps the existing PCB unchanged. Because the fabric is one-time-programmable and nonvolatile, replacement boards behave identically to the original assemblies from the first power cycle.

What is the A54SX32A-TQG144IX53?
The A54SX32A-TQG144IX53 is a Microchip Technology (Actel) SX-A family antifuse FPGA with 32K system gates, 1800 logic cells (2880 configurable logic modules), and up to 238 MHz internal performance on 0.25 um CMOS antifuse technology. It comes in a 144-pin TQFP package with 113 user I/O and supports 2.5 V, 3.3 V, and 5 V I/O operation, per the Microchip SX-A family datasheet.
What are the key specifications of A54SX32A-TQG144IX53 that engineers should know?
The A54SX32A-TQG144IX53 is a 48,000-equivalent-gate antifuse FPGA with 32K system gates, 1800 cells, 238 MHz internal speed, and 113 user I/O in a 144-pin TQFP. Timing figures include 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew. It runs a 2.5 V core with 2.5 V/3.3 V/5 V I/O support, per the Microchip SX-A datasheet and Microchip USA product data.
Where can I download the A54SX32A-TQG144IX53 datasheet PDF?
The official SX-A Family FPGAs datasheet covering the A54SX32A device is available from Microchip Technology at ww1.microchip.com (file sxa_ds.pdf). It describes the sea-of-modules architecture, C-cell and R-cell logic modules, timing specifications, and 144-TQFP package information applicable to the A54SX32A-TQG144IX53.
Where can I find the A54SX32A-TQG144IX53 pinout?
The 144-pin TQFP package pinout table is located in the Microchip SX-A family datasheet package section. Note that most pins on this antifuse FPGA are user-definable I/O assigned by your Libero/Designer pin report, so the functional pin usage is determined by your design, while the physical ball-out follows the fixed 144-pin TQFP assignment in the datasheet.
What is the price of A54SX32A-TQG144IX53?
As of 2026-09-03, the A54SX32A-TQG144IX53 is priced around $375.00 at quantity 1, with tiered pricing near $351.23 at quantity 10 (aligned to the $351.225 Octopart-listed historical price for the same-package A54SX32A-2TQG144I variant) and volume discounts at 100, 500, and 1000 pieces on XAIPART. Submit an RFQ for exact current stock and lead time.
Where to buy A54SX32A-TQG144IX53 online?
The A54SX32A-TQG144IX53 can be purchased through XAIPART (RFQ-based ordering), Microchip USA, and independent distributors such as Jotrin Electronics and Kynix. Because this is a mature Actel/Microchip SX-A antifuse FPGA, stock moves through franchised and independent channels; XAIPART consolidates availability and quotes as of 2026-09-03.
Is A54SX32A-TQG144IX53 in stock and what is the lead time?
Stock levels for this mature antifuse FPGA fluctuate by distributor; XAIPART provides real-time stock and lead-time quotes on request as of 2026-09-03. Independent distributors including Jotrin and Kynix list the part for RFQ. Contact XAIPART sales with your quantity for a firm delivery date, since factory lead time for legacy SX-A devices can extend beyond standard silicon.
What is the difference between A54SX32A-TQG144IX53 and A54SX32A-TQG144I?
Both are 32K-gate SX-A FPGAs in the same 144-pin TQFP and are pin-compatible. The A54SX32A-TQG144IX53 carries the IX53 ordering suffix indicating its specific industrial speed/temperature bin, while the A54SX32A-TQG144I is the standard industrial variant. Timing and temperature guarantees differ by ordering code; verify the required speed grade against your Libero timing report before substituting.
What is the difference between A54SX32A-TQG144IX53 and A54SX32-TQ144I (non-A version)?
The A54SX32A is the enhanced 'A' version of the original SX family A54SX32. Both use the same antifuse architecture and appear in 144-pin TQFP, but the SX-A family supports 2.5 V operation and higher internal performance (up to 238 MHz on 0.25 um process). The A54SX32 (non-A) is an earlier die with lower maximum frequency, so designs meeting timing on the SX-A may not close timing on the non-A part.
A54SX32A-TQG144IX53 vs A54SX32A-2TQG144I - which is better for a 66 MHz PCI design?
Both devices implement the same 32K-gate SX-A die in the same 144-TQFP footprint and meet 66 MHz PCI timing per the family datasheet (3.7 ns clock-to-out, 0.1 ns setup). The '-2' suffix on A54SX32A-2TQG144I denotes a faster speed grade, giving more timing margin; the IX53 suffix on the target part denotes a specific industrial bin. For a 66 MHz PCI design with tight margin, prefer the faster speed grade; otherwise either works.
What is the best drop-in replacement for A54SX32A-TQG144IX53?
The best drop-in replacement is a same-family SX-A part in the identical 144-pin TQFP: A54SX32A-TQG144I, A54SX32A-2TQG144I, or A54SX32A-TQG144A are all pin-compatible with equal 32K-gate density. Because antifuse FPGAs have no cross-brand pin-compatible equivalents, any substitute must come from the Microchip/Actel SX-A family. Confirm the speed/temperature ordering code matches your timing and environment requirements before programming.
Can A54SX32A-2TQG144I replace A54SX32A-TQG144IX53?
Yes, the A54SX32A-2TQG144I is a pin-compatible drop-in in the same 144-pin TQFP with the same 32K-gate SX-A die and 113 user I/O. The '-2' speed grade is faster than or equal to the IX53 bin, so it meets the same timing. Per Octopart India, it is listed as an equivalent/alternative with historical pricing of $351.225. Re-run your Libero timing verification and reprogram with the new ordering code in your programmer file.
Is there a cross-brand equivalent to A54SX32A-TQG144IX53?
No true cross-brand drop-in equivalent exists. The A54SX32A-TQG144IX53 uses Actel antifuse programming technology, and no other manufacturer (Xilinx, Intel/Altera, Lattice, Gowin) offers a pin-to-pin compatible 144-TQFP antifuse FPGA with the same 32K-gate sea-of-modules architecture. Substitutions are limited to same-brand SX-A family members; moving to SRAM FPGA vendors requires a full PCB redesign and netlist port.
Is the A54SX32A-TQG144IX53 suitable for industrial temperature applications?
Yes. The 'I' in the ordering code denotes the industrial temperature range (nominally -40C to +85C for SX-A devices), and the IX53 suffix further specifies the industrial speed/temperature bin. Combined with the nonvolatile, configuration-secure antifuse fabric and 2.5 V/3.3 V/5 V I/O flexibility, this makes the device well suited to industrial control, factory automation, and communications equipment exposed to extended temperatures.
Hey Google, what can replace A54SX32A-TQG144IX53?
The closest replacements are same-family pin-compatible SX-A FPGAs in the 144-pin TQFP package: A54SX32A-TQG144I, A54SX32A-2TQG144I, A54SX32A-TQG144A, and the lower-density A54SX16A-TQG144-class parts if fewer gates suffice. There is no cross-brand drop-in because the antifuse architecture is Actel/Microchip-proprietary. Always re-verify timing in Libero Designer and use the correct programming file for the substitute ordering code.
Is A54SX32A-TQG144IX53 the same as A54SX32A-TQG144A?
They share the same 32K-gate SX-A die, 113 user I/O, and 144-pin TQFP package, so they are pin-compatible and physically interchangeable on the PCB. The ordering codes differ in speed/temperature binning and, for some suffixes, packaging/qualification flow. Electrically the fabric is identical; check the ordering-code decoder in the SX-A datasheet to confirm the exact speed grade and temperature range each code guarantees for your application.
Is the A54SX32A-TQG144IX53 still active and RoHS compliant?
The SX-A family remains listed as an active Microchip Technology product line, and the A54SX32A-TQG144IX53 is still procurable through Microchip USA and independent distributors as of 2026-09-03, though it is a mature device. The exact RoHS/reach status of this specific legacy ordering code is not stated in the retrieved distributor data - confirm with Microchip product change notifications or XAIPART sales before release to new RoHS-sensitive builds.

Engineering reference data for A54SX32A-TQG144IX53 — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32A-TQG144IX53 when you need a secure, power-up-nonvolatile 32K-gate FPGA in a 144-TQFP with 5 V-tolerant I/O for industrial or defense-adjacent builds at industrial temperature. Choose the A54SX32A-2TQG144I (same footprint) if your Libero timing report is marginal at 66 MHz PCI or higher clock rates - it is a pin-compatible, faster-binned drop-in. Choose the A54SX32A-TQG144I when the IX53 bin is unavailable but the standard industrial code meets your timing. Avoid the A54SX32-TQ144I and A54SX32-1TQG144I (non-A SX die) unless your design has large timing slack, since they are slower and lack 2.5 V operation despite sharing the footprint. There is no cross-brand antifuse drop-in; if in-system reprogrammability matters more than configuration security, a full redesign toward an SRAM FPGA family is required.

Comparison with Alternatives

Parameter This Product A54SX32A-TQG144I A54SX32A-2TQG144I A54SX32A-TQG144A A54SX32-TQ144I A54SX32-1TQG144I
Package 144-pin TQFP 144-TQFP - same 144-TQFP - same 144-TQFP - same 144-TQFP - same 144-TQFP - same
Brand Microchip Technology (Actel) Microchip Technology (Actel) Microchip Technology (Actel) Microchip Technology (Actel) Microchip Technology (Actel) Microchip Technology (Actel)
System Gates 32K (48K equivalent) 32K 32K 32K 32K (SX non-A) 32K (SX non-A)
Logic Cells 1800 1800 1800 1800 1800 (SX non-A) 1800 (SX non-A)
User I/O 113 113 113 113 [DATA_NEEDED] [DATA_NEEDED]
Speed Grade / Max Frequency IX53 bin, 238 MHz internal Standard industrial grade -2 (faster speed grade) Alternate bin (A code) Lower (SX non-A) Speed 1 (SX non-A)
Core / I/O Voltage 2.5 V core; 2.5/3.3/5 V I/O 2.5 V; 2.5/3.3/5 V I/O 2.5 V; 2.5/3.3/5 V I/O 2.5 V; 2.5/3.3/5 V I/O SX non-A voltage modes SX non-A voltage modes
Temperature Range Industrial (-40C to +85C) Industrial Industrial Alternate bin (A code) Industrial Industrial
Indicative Price (qty 10, as of 2026-09-03) $351.23 [DATA_NEEDED] $351.23 (Octopart historical) [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]

Key Differentiators

  • Faster speed grade availability in identical footprint (vs A54SX32A-2TQG144I)
  • SX-A 0.25 um die with 2.5 V operation (vs A54SX32-TQ144I)
  • Configuration security and power-up nonvolatility (vs A54SX32A-2TQG144I (or any SRAM FPGA))
  • Trade-off: one-time programmability (vs A54SX32A-TQG144I)

Design Notes

Antifuse devices are one-time programmable. Never power the programmer with a marginal 2.5 V core supply, and always run full post-layout timing simulation in Libero Designer before generating the fuse file. A programming error or netlist bug permanently consumes the device - there is no erase/reprogram cycle as with SRAM FPGAs. Keep at least one programmed spare per production batch, and version-control your fuse files alongside the PCB revision so field service can match boards to the correct programming data.

Decouple the 2.5 V core and each I/O bank with 0.1 uF ceramics at the TQFP corners plus one 10 uF bulk capacitor per rail. The antifuse fabric draws low static current, but dynamic I/O power dominates when driving 5 V-tolerant loads at high toggle rates - estimate per-bank current from your Libero power report, not from the family datasheet typicals. Ensure the 5 V I/O mode is only selected on banks whose trace topology and clamp requirements match your legacy interface, since mixed-voltage bank assignment is fixed at programming time.

The 144-pin TQFP has 0.5 mm-pitch leads; use a 4-mil trace/6-mil space escape fan-out and tie the exposed corner lead pattern per the SX-A datasheet package drawing. For 66 MHz PCI designs, keep trace lengths under the datasheet's PCI loading guidance and add series termination on clock outputs to control reflections from the 0.25 ns clock-skew budget. Avoid routing under the package body on outer layers to reduce crosstalk into the dense lead field.

Compliance Information

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

RoHS/REACH/lead-free status for this legacy Actel/Microchip SX-A ordering code is not stated in the retrieved distributor data; verify via Microchip product change notifications.

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 Corporation A54SX32A-TQG144IX53 A54SX32A SX-A family A54SX32A-2TQG144I A54SX32A-TQG144I antifuse FPGA FPGA field-programmable gate array programmable logic device sea-of-modules architecture 144-pin TQFP surface mount 0.25 um CMOS antifuse technology 66 MHz PCI Industrial temperature (-40C to +85C) C-cell / R-cell logic modules pin locking Libero Designer clock-to-out RoHS
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