Microchip Technology

A54SX32-1CQ208B - 48K Gate FPGA 174 I/O CQFP-208 | Microchip

MPN: A54SX32-1CQ208B ✓ Active
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3.3 V (3.0 V to 3.6 V) Vdss 208-BFCQFP with tie bar (CQFP) Package -1 Speed
From $138.75 USD / Unit
MOQ: 1 |
Price updated: 2026-09-02
Volume Pricing
Qty Unit Price Extended
1 $185 $185.00
10 $172.05 $1,720.50
100 $157.25 $15,725.00
500 $148 $74,000.00
1,000 $138.75 $138,750.00
ℹ️ All prices are in USD

Drop-in alternatives for A54SX32-1CQ208B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A54SX32-1CQ208M

✅ Drop-In
Microchip Technology
📦 208-BFCQFP with tie bar
Actel SX (54SX) · 48000 · 32000 · 1800 · 2880 · 174 · 240 MHz · 0.35 um CMOS

✓ In Stock

$55.75 / Unit

View Datasheet →

A54SX32-CQ208B

✅ Drop-In
Microchip Technology
📦 208-BFCQFP with tie bar
Actel SX (54SX) · 48000 gates · 174 · 3 V to 3.6 V · 4.75 V to 5.25 V · -55C to +125C (TJ) · Military · 208-BFCQFP with Tie Bar (CQFP-208)

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Contact for price

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A54SX32-CQ208

✅ Drop-In
Microchip Technology
📦 208-BFCQFP with tie bar
Actel SX (antifuse FPGA) · 32,000 gates · 1,800 · 2,880 · 205 MHz · 174 · 0.35 um · 3.0 V to 3.6 V

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$1545.45 / Unit

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A54SX32-CQ208M

✅ Drop-In
Microchip Technology
📦 208-BFCQFP with tie bar
SX (Actel antifuse FPGA) · 48000 gates · 2880 · 174 · 3 V to 3.6 V · 4.75 V to 5.25 V · -55C to +125C (TC) · 208-BFCQFP with Tie Bar (CQFP-208)

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A54SX32A-CQ208M

✅ Drop-In ⚠️ 参数待验证
📦 208-CQFP (SX-A family)
newer SX32A die generation in same CQFP-208 ceramic package; higher module count and timing, requires recompile

📋 Reference alternative (not in catalog)

A54SX32-1CQ208B Maximum Ratings & Electrical Characteristics

System Gates 48,000 gates
Logic Modules 2880
Number of I/O 174 I/O
Family SX-A Series
Programming Technology Antifuse (one-time programmable)
Architecture Sea-of-modules
Operating Supply Voltage 3.3 V (3.0 V to 3.6 V)
Dual Supply Option 4.75 V to 5.25 V
Minimum Operating Temperature -55 C
Maximum Operating Temperature +125 C
Package / Case 208-BFCQFP with tie bar (CQFP)
Mounting Style SMD/SMT
Speed Grade -1
Configuration Non-volatile, no external boot memory required
Product Category FPGA - Field Programmable Gate Array

A54SX32-1CQ208B 208-bfcqfp with tie bar (cqfp) Pin Configuration Guide

Complete pinout information for A54SX32-1CQ208B (208-bfcqfp with tie bar (cqfp) 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-bfcqfp with tie bar (cqfp) package pinout diagram for A54SX32-1CQ208B

No detailed pinout data available for A54SX32-1CQ208B.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A54SX32-1CQ208B 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

A54SX32-1CQ208B is suitable for 6 applications: Military and Avionics Glue-Logic Consolidation, Legacy 5V Backplane Interface Bridging, Bus Interface and Address Decoding, Industrial Control and Automation, Secure Embedded Systems, Test and Measurement Instrumentation.

✈️

Military and Avionics Glue-Logic Consolidation

The A54SX32-1CQ208B fits defense electronics because its hermetic ceramic BFCQFP-208 package, -55C to +125C operation, and one-time-programmable antifuse configuration provide the reliability profile avionics programs require. The 48,000-gate fabric with 2880 modules consolidates dozens of discrete PAL/GAL/counter functions into a single device, cutting board area and improving mean-time-between-failures. Because configuration is stored in antifuse links, no external boot flash exists to corrupt or be interrogated, simplifying security and failure analysis. Design the board with the 174 I/O budget mapped to address/data buses and discrete control lines, and verify timing in Libero with the -1 speed grade files before committing devices.

🏭

Legacy 5V Backplane Interface Bridging

The SX-A family's dual-supply capability (3.3 V core operation plus a 4.75 V to 5.25 V supply range) makes the A54SX32-1CQ208B a strong fit for interfacing with legacy 5 V TTL backplanes in industrial retrofits and defense ground systems. Place the device between a modern 3.3 V microprocessor subsystem and a 5 V VME or cPCI-style backplane, using the 174 I/O to implement bus transceivers, address decoders, and interrupt logic. Antifuse I/O structure supports the voltage tolerances these systems demand without external level-shifting in many configurations, reducing parts count. Validate I/O threshold compatibility per the SX-A datasheet for the specific supply arrangement before layout freeze.

🖥️

Bus Interface and Address Decoding

With 174 user I/O and a deterministic, low-skew antifuse interconnect, the A54SX32-1CQ208B is well suited to wide bus interfacing: memory controllers, address decoders, DMA glue, and protocol adaptation between mismatching bus widths. The sea-of-modules architecture places combinational and sequential modules in a uniform sea, letting decoded addresses and registered outputs meet tight skew targets that discrete 74-series solutions cannot. Implementing this logic in the FPGA also enables later board revisions to fix decode errors by programming a new device rather than respinning the PCB. Budget the -1 speed grade timing in Libero static timing analysis, and assign power pins per the CQFP-208 datasheet pinout for clean ground returns.

🏭

Industrial Control and Automation

Factory automation and process-control systems benefit from the A54SX32-1CQ208B's combination of wide I/O (174 pins), -55C to +125C tolerance, and non-volatile configuration that appears instantly powered-on with no configuration boot delay. Use it to implement motion-pulse counting, encoder quadrature decoding, safety interlock logic, and communication glue between PLC modules. Antifuse immutability is an asset in installations where unauthorized reprogramming is a concern, and the ceramic package survives thermally aggressive environments such as motor-drive cabinets. Design input filtering and ESD protection externally (TVS diodes, RC filters) since industrial field wiring exceeds the FPGA's silicon ratings; the FPGA handles the logic, not the surge.

🎥

Secure Embedded Systems

The A54SX32-1CQ208B supports security-focused embedded designs because its configuration lives only in programmed antifuse links: there is no bitstream in external flash to copy, no SRAM configuration cells to dump, and no readback path to exploit, making bitstream extraction substantially harder than with SRAM FPGAs. Combine this with the hermetic ceramic package for defense and anti-tamper programs. Implement encryption wrappers, secure boot state machines, or key-handling glue logic across the 48,000-gate fabric. Note the trade-off: one-time programming means any design change requires new silicon, so freeze the security architecture carefully and maintain documented spare programmed units under configuration control for the program lifetime.

🔧

Test and Measurement Instrumentation

Instrument designers use the A54SX32-1CQ208B for timing generators, trigger logic, and bus interfaces where deterministic antifuse routing yields repeatable propagation delays unit-to-unit, an advantage for calibration stability across production runs. The 174 I/O supports multichannel probe and stimulus interfacing, and the -55C to +125C range suits benchtop instruments in unconditioned environments. Implement counter/timer arrays, trigger state machines, and IEEE-bus glue in the 2880-module fabric. Because the configuration is permanent, apply version control to programming files and serialize devices during programming to keep instrument firmware traceable, using the Silicon Sculptor programming workflow with archived design archives.

What is the A54SX32-1CQ208B and what are its key specifications?
The A54SX32-1CQ208B is a Microchip Technology SX-A family antifuse FPGA with 48,000 system gates, 2880 logic modules, and 174 user I/O in a 208-pin BFCQFP ceramic package with tie bar. It runs from a 3.3 V supply (3.0 V to 3.6 V) with a 5 V tolerant dual-supply option (4.75 V to 5.25 V) and operates from -55C to +125C. According to the Microchip SX-A family datasheet, the sea-of-modules architecture gives high routing efficiency for performance-intensive designs.
Where can I buy A54SX32-1CQ208B online?
The A54SX32-1CQ208B can be purchased through authorized distributors listed on TrustedParts.com, and stock is shown on DigiKey, Kynix, ichome.com, and specialist brokers such as Microchip USA. Because this is a mil-aero oriented ceramic-package part, lead times and stock fluctuate; XAIPART supports RFQ-based ordering with tiered pricing. Always buy from authorized or verified sources to avoid counterfeit antifuse FPGAs, which cannot be functionally tested without programming.
What is the price of A54SX32-1CQ208B?
XAIPART lists the A54SX32-1CQ208B at approximately 185.00 USD at quantity 1, dropping to about 172.05 USD at 10 units, 157.25 USD at 100 units, and 138.75 USD at 1000 units, as of 2026-09-03. Actual distributor pricing varies with stock and contract terms; ceramic CQFP military-grade FPGAs typically command a premium over plastic TQFP versions of the same die.
What is the difference between A54SX32-1CQ208B and A54SX32-CQ208B?
The A54SX32-1CQ208B carries the -1 speed grade suffix, while A54SX32-CQ208B is a variant without an explicit speed-grade ordering code. Both use the identical 208-pin BFCQFP ceramic package with tie bar, the same 48,000-gate SX-A die, 174 I/O, and 3.3 V operation, making them effectively interchangeable in most designs. Check the Microchip SX-A datasheet ordering-code section and your timing closure margin before substituting, since timing guarantees differ by speed grade.
What is the best drop-in replacement for A54SX32-1CQ208B?
The best drop-in replacements are same-family, same-package parts: A54SX32-1CQ208M (military temperature screening, same footprint) and A54SX32-CQ208B or A54SX32-CQ208 (same die and package, differing ordering codes). All share the 208-BFCQFP footprint and pinout, so the PCB does not change; only reprogramming and possibly speed-grade verification are needed. The A54SX32A newer-generation family is functionally similar but is not pin-identical in every package option, so verify pinout before migrating.
Can A54SX32-1CQ208M replace A54SX32-1CQ208B?
Yes. The A54SX32-1CQ208M is the same SX-A die in the same 208-pin BFCQFP ceramic package, with the M suffix denoting military-grade screening and temperature range. For programs already requiring -55C to +125C operation, the M part is often the safer sourcing choice. Design assets port directly because the fabric, pinout, and programming files are identical; only procurement and qualification documentation change.
Is there a cross-brand equivalent for A54SX32-1CQ208B from another manufacturer?
No true pin-to-pin cross-brand equivalent exists in verified web data for the A54SX32-1CQ208B. Antifuse FPGA architectures are proprietary, and competitors such as Xilinx and Intel/Altera use SRAM or flash technologies with different pinouts, so migration requires PCB redesign and design recompilation. Microchip's own cross-reference tool and DigiKey's cross-reference search list only other Microchip SX/SX-A/RTAX family parts as parametrically similar candidates for this device.
When should I choose the A54SX32-1CQ208B over a plastic TQFP SX-A part like A54SX32-1TQG144?
Choose the A54SX32-1CQ208B when you need the ceramic BFCQFP-208 package for its I/O count (174 user I/O versus fewer on TQ144), hermetic ceramic construction for harsh environments, or compatibility with existing CQFP-208 sockets. Choose A54SX32-1TQG144 variants for cost-sensitive commercial designs that fit in 144 pins. The trade-off is roughly a several-fold price premium and larger board area for the ceramic package's reliability and environmental tolerance.
Is A54SX32-1CQ208B suitable for military and avionics applications?
Yes. The A54SX32-1CQ208B operates from -55C to +125C in a hermetic ceramic BFCQFP package with tie bar, characteristics aligned with military and avionics requirements. Its antifuse configuration is non-volatile and inherently resistant to configuration upsets compared with SRAM FPGAs because there are no configuration cells to flip, and no external boot flash is required. For formal aerospace programs, confirm specific qualification flows (e.g., processing per your contract flow) with Microchip and your distributor before design-in.
Where can I download the A54SX32-1CQ208B datasheet PDF?
Download the SX-A Family FPGAs datasheet directly from Microchip at https://ww1.microchip.com/downloads/aemdocuments/documents/fpga/ProductDocuments/DataSheets/sxa_ds.pdf. This document covers the full SX-A family, including the A54SX32, with DC/AC electrical characteristics, package thermal data, and pinout tables for the 208-pin CQFP option. The original Actel 54SX family datasheet (a54sx_ds.pdf) is also available from Microchip for the predecessor family.
Where can I find the A54SX32-1CQ208B pinout for the CQFP-208 package?
The pinout table for the 208-pin ceramic CQFP package is in the package pinout section of the Microchip SX-A family datasheet, organized by pin number with I/O, VCC, GND, and programming-pin assignments. Because the device is user-programmable, most of the 208 pins are flexible I/O assigned by your design; only power, ground, clock, and dedicated programming pins are fixed. Download the datasheet PDF and refer to the CQFP-208 column for exact pin numbering.
What supply voltage does the A54SX32-1CQ208B require?
The A54SX32-1CQ208B operates from a nominal 3.3 V supply with an allowed range of 3.0 V to 3.6 V, and supports dual-voltage operation with a second 5 V rail range of 4.75 V to 5.25 V for 5 V-tolerant system integration, per the SX-A family datasheet. Apply decoupling of at least 0.1 uF per VCC pin plus bulk capacitance. Do not exceed the absolute maximum ratings, and sequence both rails to avoid latch-up during power-up in dual-supply designs.
How do I program the A54SX32-1CQ208B, and is it reprogrammable?
The A54SX32-1CQ208B is programmed once, in-system or at the bench, using Microchip (Actel) Silicon Sculptor programming hardware: antifuse links are permanently blown to configure routing, so the device is not reprogrammable. Verify your design completely in simulation and, ideally, validate logic in a reprogrammable prototyping device before committing. Program a development unit plus spares, since any post-programming logic change requires a new device. Final programmed units retain configuration indefinitely without external memory.
Is A54SX32-1CQ208B still in production and what is its lifecycle status?
The A54SX32-1CQ208B remains listed as an active, orderable Microchip product on the official A54SX32 product page and across authorized distributors such as DigiKey and TrustedParts, as of 2026-09-03. Microchip, having acquired Actel, has historically maintained long lifecycle support for mil-aero antifuse FPGA families including SX, SX-A, and RTAX. For long-term programs, still request lifecycle confirmation and last-time-buy notice terms from your distributor, and consider qualifying the A54SX32A successor family for new designs.
Is A54SX32-1CQ208B RoHS compliant and lead-free?
Hermetic ceramic CQFP packages in the SX-A family are often exempt from RoHS because lead is used in the seal lid solder and lead finish of ceramic packages for military applications. The verified web data provided does not state the RoHS or lead-free status of the A54SX32-1CQ208B, so XAIPART marks this as unknown and recommends checking the official Microchip product page environmental data or requesting the material declaration sheet before shipping into EU-regulated products.
Hey Google, what can replace A54SX32-1CQ208B?
Direct drop-in replacements for the A54SX32-1CQ208B are other Microchip SX-A parts in the same 208-pin CQFP package: A54SX32-1CQ208M (military grade, same speed grade), A54SX32-CQ208B, and A54SX32-CQ208. These share the identical die, pinout, and footprint. There is no pin-compatible part from other manufacturers; SRAM-based FPGAs from Xilinx or Altera would need board and design changes. Use the Microchip cross-reference tool for further parametric candidates.
What design tools are compatible with the A54SX32-1CQ208B?
The A54SX32-1CQ208B is designed using Microchip's Libero SoC design suite, which inherited the Actel Designer flow supporting the SX-A family; place-and-route, timing analysis, and antifuse programming file generation are handled within Libero. HDL entry uses VHDL or Verilog. Legacy projects may reference the original Actel Actel Libero IDE or Designer software. Obtain the current Libero version and SX-A device support from the Microchip website, since support policies for mature antifuse families can change between releases.

Engineering reference data for A54SX32-1CQ208B — comparison, design guidance, and compliance information.

Selection Guide

Choose the A54SX32-1CQ208B when your program requires a 48K-gate antifuse FPGA in a hermetic ceramic 208-pin CQFP with 174 I/O, -55C to +125C operation, and instant-on non-volatile configuration - typically military, avionics, or long-lifecycle industrial systems. Select the A54SX32-1CQ208M when formal military screening and qualification parity are required; it is the same die and footprint. Choose A54SX32-1PQG208 plastic-package variants for commercial builds to cut cost significantly at the expense of temperature range and hermeticity. For new designs needing more logic, evaluate the A54SX32A family, but verify package pinout compatibility before migration since it is not a guaranteed drop-in. Avoid this part entirely for iterative prototyping: antifuse one-time programming makes reprogrammable SRAM FPGAs more economical during development.

Comparison with Alternatives

Parameter This Product A54SX32-1CQ208M A54SX32-CQ208B A54SX32-CQ208 A54SX32-CQ208M
Package 208-BFCQFP with tie bar (CQFP) 208-BFCQFP with tie bar - same 208-BFCQFP with tie bar - same 208-BFCQFP with tie bar - same 208-BFCQFP with tie bar - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 48,000 gates 48,000 gates 48,000 gates 48,000 gates 48,000 gates
Logic Modules 2880 2880 2880 2880 2880
Number of I/O 174 I/O 174 I/O 174 I/O 174 I/O 174 I/O
Speed Grade -1 -1 [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Supply Voltage 3.0 V to 3.6 V (dual option 4.75 V to 5.25 V) 3.0 V to 3.6 V (dual option 4.75 V to 5.25 V) 3.0 V to 3.6 V (dual option 4.75 V to 5.25 V) 3.0 V to 3.6 V (dual option 4.75 V to 5.25 V) 3.0 V to 3.6 V (dual option 4.75 V to 5.25 V)
Temperature Range -55 C to +125 C -55 C to +125 C (military screening) [DATA_NEEDED] [DATA_NEEDED] -55 C to +125 C (military screening)
Programming Technology Antifuse (one-time programmable) Antifuse (one-time programmable) Antifuse (one-time programmable) Antifuse (one-time programmable) Antifuse (one-time programmable)

Key Differentiators

  • Hermetic ceramic package with military temperature range (vs A54SX32-1PQG208)
  • Antifuse non-volatile configuration (vs SRAM FPGAs (e.g., Xilinx equivalents))
  • Deterministic -1 speed grade timing (vs A54SX32-CQ208B)

Design Notes

Estimated: decouple each VCC pin of the 208-pin CQFP with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus at least 10 uF of bulk capacitance per supply domain. With dual-supply designs (3.3 V and 5.0 V rails), ensure both rails are within their allowed windows (3.0-3.6 V, 4.75-5.25 V) before releasing device reset, and sequence the 3.3 V rail ahead of or together with 5 V to avoid I/O latch-up during power-up, a documented pitfall for dual-supply antifuse families.

Antifuse devices are one-time-programmable. Complete full functional simulation and Libero timing closure with the -1 speed grade model before ever blowing a device, and program engineering units for validation while keeping unprogrammed spares. Archive the generated programming file and its design-source revision under configuration control; a lost programming file for a programmed board cannot be regenerated from the device. Never rely on reading back configuration from the programmed part - antifuse devices do not support bitstream readback by design.

The BFCQFP-208 with tie bar has leads on all four sides at 0.5 mm pitch; design the land pattern per the SX-A datasheet package drawing and route high-fanout clocks on inner layers with dedicated ground planes adjacent to control impedance. Connect the package tie bar as directed by the package drawing (typically to ground) for mechanical and thermal stability. For socketed mil-aero assemblies, verify socket contact rating and insertion force, and avoid repeated insertions of programmed devices to prevent lead damage.

Compliance Information

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

Ceramic CQFP military-orientation packages often carry RoHS exemptions for lead in ceramic package construction; verified web data does not state compliance status. Request the Microchip material declaration sheet for the A54SX32-1CQ208B before EU-regulated shipments.

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 A54SX32-1CQ208B A54SX32-1CQ208M A54SX32-CQ208B SX-A family FPGA field-programmable gate array antifuse one-time programmable sea-of-modules architecture BFCQFP-208 CQFP ceramic package Libero SoC Silicon Sculptor -55C to +125C 3.3 V supply dual-supply 5 V tolerant military avionics RTAX radiation-tolerant FPGA
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