Microchip Technology

A54SX32-PQG208I - SX FPGA 48K Gates 174 I/O | Microchip

MPN: A54SX32-PQG208I βœ“ Active
In Stock Ships in 1-3 business days
3.3 V / 5 V Vdss 208-BFQFP (PQG208) Package 240 MHz Speed
From $362.79 USD / Unit
MOQ: 1 |
Price updated: 2026-09-02
Volume Pricing
Qty Unit Price Extended
1 $409.9 $409.90
10 $395 $3,950.00
100 $378 $37,800.00
500 $369 $184,500.00
1,000 $365 $365,000.00
5,000 $362.79 $1,813,950.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32-PQG208I β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A54SX32-1PQG208I

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Microchip Technology
πŸ“¦ 208-PQFP (PQG208)
SX (Actel/Microsemi SX) Β· 48000 Β· 32000 Β· 1800 Β· 174 Β· 280 MHz Β· 0.35 um CMOS antifuse Β· 3.3 V / 5 V

βœ“ In Stock

$44.9 / Unit

View Datasheet β†’

A54SX32-2PQG208

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Microchip Technology
πŸ“¦ 208-PQFP (PQG208)
Actel SX (SX FPGA) Β· 48000 gates Β· 32000 gates Β· 1800 cells Β· 174 Β· 320 MHz Β· 0.35 um CMOS Β· 3.3 V (3 V to 3.6 V), 5 V (4.75 V to 5.25 V)

βœ“ In Stock

$45.4 / Unit

View Datasheet β†’

A54SX32-2PQ208I

βœ… Drop-In
Microchip Technology
πŸ“¦ 208-PQFP (PQ208)
SX-A (54SX) Antifuse FPGA Β· 48000 Β· 2880 Β· 174 Β· 320 MHz Β· 3.7 ns Β· 0.1 ns Β· 0.25 ns

βœ“ In Stock

$43.2 / Unit

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A54SX32A-PQG208I

βœ… Drop-In
πŸ“¦ 208-PQFP (PQG208)
SX-A family, 0.25 um process, 2.5V core supply vs 3.3V/5V, 2880 modules / 48K gates; FindIC classifies as completely replace on same PQFP-208 footprint

πŸ“‹ Reference alternative (not in catalog)

A54SX32A-1PQG208I

βœ… Drop-In
πŸ“¦ 208-PQFP (PQG208)
SX-A family speed grade -1, 172-238 MHz class, 2.5V core; same 208-pin footprint, industrial range

πŸ“‹ Reference alternative (not in catalog)

A54SX32A-PQ208I

βœ… Drop-In
πŸ“¦ 208-PQFP (PQ208)
SX-A family in PQ208 package variant, 238 MHz, RoHS compliant; package suffix differs from PQG208 but footprint per FindIC replace listing

πŸ“‹ Reference alternative (not in catalog)

A54SX32-PQG208I Maximum Ratings & Electrical Characteristics

Logic Gates 32000 gates (48K system gates)
Logic Modules (Cells) 1800
User I/O 174
Maximum System Frequency 240 MHz
Supply Voltage 3.3 V / 5 V
Process Technology 0.35 um CMOS
Programmable Technology Antifuse (one-time programmable)
Architecture Sea-of-modules (Actel SX family)
Package 208-BFQFP (PQG208)
Mounting Type Surface Mount
Operating Temperature -40C to +85C (industrial)
Family SX (A54SX32)
Speed Grade Standard (dash -) grade
RoHS Status Lead free / RoHS Compliant
Configuration Non-volatile, no boot PROM required
Packaging Tray

A54SX32-PQG208I 208-bfqfp (pqg208) Pin Configuration Guide

Complete pinout information for A54SX32-PQG208I (208-bfqfp (pqg208) 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.

208-bfqfp (pqg208) package pinout diagram for A54SX32-PQG208I

No detailed pinout data available for A54SX32-PQG208I.

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-PQG208I 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-PQG208I is suitable for 6 applications: Industrial Control and Automation Logic, Telecommunications Line-Card Control, Avionics and Defense Embedded Control, Bus Interface and Glueless Bridge Logic, Test and Measurement Instrumentation, Secure Embedded Systems and IoT Gateways.

🏭

Industrial Control and Automation Logic

The A54SX32-PQG208I fits industrial control and factory automation systems where deterministic, glitch-free logic replaces multiple PAL/GAL devices and discrete glue logic. Its 32K gates and 1800 modules consolidate bus arbitration, I/O expansion decoding, and sequencer state machines into one -40C to +85C industrial-grade device. Because the antifuse fabric needs no boot flash, the PLC or motor-control card is functional within nanoseconds of power application, improving fault-recovery behavior in production lines. The 174 user I/Os on the 208-pin QFP directly interface 5V-tolerant industrial buses, and the low static power of 0.35 um antifuse CMOS reduces cabinet heat versus SRAM FPGAs of comparable density.

🌐

Telecommunications Line-Card Control

Telecom line cards benefit from the A54SX32-PQG208I's 240 MHz class performance and predictable, delay-deterministic routing for framer backplane interfaces, HDLC controllers, and hot-swap supervision logic. The sea-of-modules architecture delivers consistent interconnect delays regardless of utilization, simplifying timing closure at the 3.3V backplane signaling levels common in central-office equipment. The industrial temperature grade tolerates uncoiled equipment-room conditions, and the antifuse fabric's immunity to configuration upsets removes the configuration-corruption failure mode that SRAM FPGAs exhibit across years of continuous uptime, a critical reliability consideration for carrier-grade availability targets.

✈️

Avionics and Defense Embedded Control

Defense and avionics subsystems select the A54SX32-PQG208I for its inherent configuration security and instant-on behavior. The one-time-programmable antifuse bitstream cannot be dumped or reversed from a powered-off board, protecting proprietary control algorithms in munitions interfaces, radar timing generators, and secure telemetry encoders. The SX family's radiation tolerance heritage from Actel supports high-reliability programs, and for space-grade migration paths, Microchip's RTAX families extend the same antifuse philosophy. The industrial -40C to +85C rating covers most airborne equipment bays, while deterministic routing timing eases DO-254-style design verification of safety-critical logic paths.

πŸ–₯️

Bus Interface and Glueless Bridge Logic

The A54SX32-PQG208I excels as bridge logic between incompatible buses - PCI-to-local-bus bridges, microprocessor bus expansion, and legacy-interface emulation. With 174 user I/Os, one device absorbs dozens of 74-series transceiver and decoder packages, cutting board area and assembly cost. The 3.3V/5V mixed capability lets a single device talk to both legacy 5V TTL backplanes and modern 3.3V processors without level-shifting circuitry. Designers should reserve at least 20% module headroom because the antifuse is one-time programmable: protocol updates after layout freeze require a new device, making early utilization planning the key trade-off in bridge-logic deployments.

πŸ”§

Test and Measurement Instrumentation

Bench and automated test equipment uses the A54SX32-PQG208I for timing generators, pattern generators, and trigger-logic aggregation. The 240 MHz-class fabric and deterministic delays allow sub-nanosecond skew control across the 174 I/Os, which directly determines measurement timing accuracy in stimulu/response instruments. The antifuse fabric introduces no configuration load transient at power-up, so instruments present a stable high-impedance state within microseconds - useful when the FPGA powers a measurement front-end. Industrial grading covers bench environments, and the one-time-programmable model suits released instrument firmware baselines that require change-controlled, non-updatable logic revisions.

🧩

Secure Embedded Systems and IoT Gateways

Security-focused embedded designs leverage the A54SX32-PQG208I's non-readable antifuse configuration as a hardware root of trust for IoT gateways and industrial edge nodes. Unlike SRAM FPGAs whose bitstream travels over an external flash bus at every boot, the A54SX32 contains no extractable configuration image, eliminating a primary cloning attack vector. Its 48K system gates implement AES-class crypto cores, secure-boot checkers, and tamper-monitoring state machines alongside interface logic. Combined with a low-power supervisory MCU such as the MSP430FR5994, the gateway achieves instant-on secure operation with negligible standby current - a combination SRAM FPGA architectures cannot match without elaborate bitstream-encryption overhead.

What is the A54SX32-PQG208I?
The A54SX32-PQG208I is a Microchip Technology (Microsemi/Actel) SX-family antifuse FPGA with 32,000 logic gates (48K system gates), 1800 logic modules, 174 user I/Os, and up to 240 MHz system performance, packaged in a 208-pin PQFP rated for -40C to +85C industrial operation. According to the Microchip 54SX family datasheet, the SX architecture uses a sea-of-modules fabric on 0.35 um CMOS with 3.3V/5V operation.
How many I/O pins does the A54SX32-PQG208I have?
The A54SX32-PQG208I provides 174 user I/O pins in its 208-pin BFQFP package. According to DigiKey and Microchip USA product listings, the part is specified as an SX Field Programmable Gate Array IC with 174 I/O in the 208-BFQFP package; the remaining pins serve power, ground, and dedicated functions.
What is the maximum operating frequency of the A54SX32-PQG208I?
The A54SX32-PQG208I supports system performance up to approximately 240 MHz. Per FindIC cross-reference data, the SX-family A54SX32 device achieves 240 MHz with its 1800-cell array on 0.35 um technology. Actual achievable frequency depends on design routing utilization and should be verified with static timing analysis in the Microchip Libero/Designer toolchain.
Where can I buy A54SX32-PQG208I and what does it cost?
The A54SX32-PQG208I can be purchased from XAIPART and authorized distributors such as DigiKey and Mouser, as well as specialty suppliers like Microchip USA. As of 2026-09-03, the unit price is approximately $409.90 at quantity 1 (Microchip USA), with volume pricing around $362.79 at 5,000 units per xsourcepart data. Because this is a mature antifuse FPGA, availability can fluctuate - check live stock before ordering.
Is the A54SX32-PQG208I RoHS compliant and lead free?
Yes, the A54SX32-PQG208I is lead free and RoHS compliant. According to xsourcepart product data, the part carries a RoHS-compliant, lead-free status. Confirm the specific lot certificate of conformance with your supplier at time of order, as mature products sometimes ship both compliant and legacy material grades.
What is the operating temperature range of the A54SX32-PQG208I?
The -I suffix on A54SX32-PQG208I denotes the industrial temperature grade, which operates from -40C to +85C. The commercial (no suffix) version and the extended availability may differ. Industrial grading makes this part suitable for factory automation, telecom infrastructure, and embedded control systems subject to wide ambient swings.
What is the difference between A54SX32-PQG208I and A54SX32A-PQG208I?
The A54SX32 belongs to the original SX family (0.35 um, 3.3V/5V, 240 MHz), while the A54SX32A belongs to the SX-A family, a second-generation 0.25 um device with 238 MHz performance and 2.5V operation. According to FindIC comparison data, the SX-A parts are listed as functional replacements with consistent package (PQFP-208) and pinout, but electrical characteristics such as core supply voltage and I/O thresholds differ, so power rails must be checked before migrating.
Is the A54SX32A-PQG208I a drop-in replacement for A54SX32-PQG208I?
Yes, for most designs the A54SX32A-PQG208I is treated as a drop-in replacement on the same 208-pin PQFP footprint - FindIC classifies the pairing as 'completely replace' with consistent terminals and package. However, the SX-A operates on a 0.25 um process with 2.5V core supply versus 3.3V/5V for the SX, so verify I/O voltage levels and power dissipation against your board before swapping.
What is the best Microchip equivalent for A54SX32-PQG208I?
The best Microchip equivalent for A54SX32-PQG208I is the A54SX32A-PQG208I, which shares the 208-pin PQFP footprint and equivalent 32K-gate logic capacity while offering the newer SX-A process. Within the original SX family, A54SX32-1PQG208I (speed grade -1) and A54SX32-2PQG208 (speed grade -2) are pin-compatible same-die options differing only in speed and temperature grade. No cross-brand pin-to-pin equivalent is catalogued in current cross-reference data.
Can the A54SX32 be replaced by an Actel/Microchip SX-A or RTAX device?
SX-A devices such as A54SX32A-PQG208I are direct-footprint replacements, but radiation-tolerant RTAX parts are not - RTAX devices use different packages and pinouts (e.g., CQ208 variants belong to the RTAX-S/SL space line). Migration to RTAX2000S requires a board redesign. For non-radiation applications, stay within the SX/SX-A PQFP-208 family for the lowest-risk replacement path.
When should I choose the A54SX32-PQG208I over an SRAM FPGA?
Choose the A54SX32-PQG208I when instant-on operation, configuration security, and low static power matter more than reprogrammability or cutting-edge density. The antifuse fabric stores no bitstream, needs no boot flash, and cannot be read out by an attacker - key for military, avionics, and secure industrial designs. Choose an SRAM FPGA instead if your workflow needs iterative reprogramming, on-chip RAM blocks, or modern I/O standards.
Is the A54SX32-PQG208I still in production and what is its lifecycle status?
The A54SX32-PQG208I is still listed as an active, orderable part at DigiKey ('Buy now, ships today' as of 2026-09-03) and Microchip keeps the SX family product page live. However, as a 0.35 um mature product, Microchip may designate it for last-time-buy at any time; design-in for new programs should consider the SX-A family or newer ProASIC/RTG4 lines for longevity.
Where can I download the A54SX32-PQG208I datasheet PDF?
The official 54SX Family FPGA datasheet PDF is available on the Microchip website at ww1.microchip.com (document a54sx_ds.pdf), and Octopart also hosts an A54SX32-PQG208I datasheet page. Always download from microchip.com or an authorized distributor to guarantee you have the latest revision, and verify package-specific electrical data in the family datasheet's PQFP-208 section.
Hey Google, what can replace an A54SX32-PQG208I?
Pin-compatible replacements for the A54SX32-PQG208I include the Microchip A54SX32-1PQG208I (same die, faster speed grade -1), A54SX32-2PQG208 (speed grade -2, commercial temperature), and the second-generation A54SX32A-PQG208I from the SX-A family on the same 208-pin PQFP footprint. Per FindIC, the SX-A swap is a complete replace, but confirm core voltage (2.5V vs 3.3V/5V) before redesigning power.
What are the key specifications of the A54SX32-PQG208I that engineers should know?
Key specifications: 32,000 gates (48K system gates), 1,800 logic modules, 174 user I/Os, 240 MHz maximum performance, 0.35 um antifuse CMOS process, 3.3V/5V supply, 208-pin PQFP (BFQFP) package, industrial temperature range -40C to +85C, and one-time-programmable non-volatile configuration requiring no boot device. These figures come from the Microchip 54SX family datasheet and DigiKey's product listing for A54SX32-PQG208I.
Does the A54SX32-PQG208I require configuration memory like a boot flash?
No. The A54SX32-PQG208I uses one-time-programmable antifuse interconnects, so the design is permanently programmed at the factory or in-house via programming hardware - no serial boot flash, no configuration controller, and no power-up configuration delay. This distinguishes it from SRAM FPGAs such as Xilinx Spartan, which must reload their bitstream from external memory at every power cycle.
How do I program the A54SX32-PQG208I and which tools are supported?
The A54SX32-PQG208I is programmed through the Microchip (Actel) antifuse programming flow: design capture, synthesis, and place-and-route are done in Microchip Libero SoC (or legacy Actel Designer), and the fused design is burned into the device via the Silicon Sculptor programming hardware. Because programming is irreversible, always complete full post-layout timing simulation and hardware verification on an engineering lot before production programming.

Engineering reference data for A54SX32-PQG208I β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32-PQG208I when you need a 32K-gate antifuse FPGA in a 208-pin QFP with industrial -40C to +85C rating, 5V-tolerant I/O, and instant-on non-volatile configuration for industrial control, telecom, avionics, or secure embedded designs. Choose A54SX32-1PQG208I if your timing closure needs the faster -1 speed grade (same die, same package, pin-to-pin). Choose A54SX32-2PQG208 only for cost-driven commercial-temperature builds (0C to +70C). Migrate to A54SX32A-PQG208I when you need more logic (2880 modules vs 1800) and can accommodate the 2.5V core supply of the 0.25 um SX-A process - the footprint is shared, but power rails must be verified. Avoid the SX entirely for new designs needing reprogrammability or modern I/O standards; consider Microchip's ProASIC or RTG4 families instead. All PQFP-208 options listed here are drop-in on the same PCB footprint, enabling second-source resilience within the family.

Comparison with Alternatives

Parameter This Product A54SX32-1PQG208I A54SX32-2PQG208 A54SX32-2PQ208I A54SX32A-PQG208I
Package 208-BFQFP (PQG208) 208-PQFP (PQG208) - same 208-PQFP (PQG208) - same 208-PQFP (PQ208) - same footprint 208-PQFP (PQG208) - same
Brand Microchip Technology (Microsemi/Actel) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Logic Gates 32000 (48K system gates) 32000 32000 32000 48000 (SX-A)
Logic Modules 1800 1800 1800 1800 2880
User I/O 174 174 174 174 [DATA_NEEDED]
Max System Frequency 240 MHz [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] 238 MHz
Supply Voltage 3.3 V / 5 V 3.3 V / 5 V 3.3 V / 5 V 3.3 V / 5 V 2.5 V
Process Technology 0.35 um 0.35 um 0.35 um 0.35 um 0.25 um
Operating Temperature -40C to +85C (industrial) -40C to +85C 0C to +70C (commercial) -40C to +85C -40C to +85C

Key Differentiators

  • Instant-on, non-volatile antifuse configuration (vs SRAM FPGAs (e.g., Xilinx Spartan of same era))
  • Legacy 5V-tolerant I/O mixing (vs A54SX32A-PQG208I)
  • Industrial temperature at standard grade (vs A54SX32-2PQG208)
  • Lower module density than SX-A successor (vs A54SX32A-PQG208I)

Design Notes

The A54SX32-PQG208I operates from 3.3V/5V supplies on 0.35 um antifuse CMOS. Decouple each VCC/VDDA pin pair with 0.1 uF ceramic capacitors placed within 5 mm of the pin, plus bulk 10 uF per supply domain. Because the antifuse fabric draws essentially no configuration current at power-up, inrush is dominated by I/O charging of board capacitance - size the supply rail for simultaneous switching output (SSO) currents when many of the 174 I/Os toggle in the same bank. Verify I/O bank current limits in the 54SX family datasheet before finalizing power distribution.

The antifuse fabric is one-time programmable: there is no erase or reconfiguration. Complete full post-layout timing simulation and hardware prototype validation on an engineering lot before production programming with Silicon Sculptor. Also confirm speed-grade ordering on your purchase order - A54SX32-PQG208I is the standard grade; the -1 and -2 suffixes denote faster timing that may be required if your design closes timing with less than 10% slack in the Libero timing report.

The 208-pin PQFP has 0.5 mm pitch gull-wing leads. Use a 0.2 mm wide stencil aperture with 5-6 mil paste for fine-pitch solder joints, and route the 174 user I/Os with controlled impedance on high-speed nets. Provide a solid ground plane under the device and keep clock distribution traces short with series termination near the driver. QFP lead coplanarity should be verified on receipt since mature-package lots may have been in storage - bake per JEDEC J-STD-033 if moisture indicators show exposure.

Estimated: an SX-class device at typical industrial logic utilization dissipates on the order of hundreds of milliwatts, far below the PQFP-208 free-air capability, so no heatsink is normally required. However, exact power depends on switching activity and I/O loading; compute junction temperature as TA + P * theta_JA using the theta_JA value from the Microchip 54SX family datasheet for your airflow condition, and keep TJ below the absolute maximum rating with at least 20C margin.

Compliance Information

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

Per xsourcepart data: Lead free / RoHS Compliant. REACH, halogen-free, and conflict-minerals status not stated in provided data.

Data verified on: 2026-09-03 β€” data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology Microsemi Actel A54SX32-PQG208I A54SX32-1PQG208I A54SX32A-PQG208I SX family FPGA SX-A family antifuse FPGA FPGA field-programmable gate array programmable logic sea-of-modules architecture 208-BFQFP PQFP QFP package family surface mount RoHS Libero SoC Silicon Sculptor RTAX 48K system gates industrial temperature grade one-time programmable
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