A54SX32-CQ208 - 32K-Gate SX FPGA, CQFP-208 | Microchip Technology
MPN: A54SX32-CQ208 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2575.75 | $2,575.75 |
| 10 | $2321.82 | $23,218.20 |
| 100 | $2060.6 | $206,060.00 |
| 500 | $1803.02 | $901,510.00 |
| 1,000 | $1545.45 | $1,545,450.00 |
Drop-in alternatives for A54SX32-CQ208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-CQ208B
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View Datasheet →A54SX32-CQ208M
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View Datasheet →A54SX32-1CQ208
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View Datasheet →A54SX32A-CQ208
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-CQ208 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (antifuse FPGA) |
| System Gates | 32,000 gates |
| Logic Cells | 1,800 |
| Logic Modules | 2,880 |
| Maximum System Frequency | 205 MHz |
| User I/O | 174 |
| Process Technology | 0.35 um |
| Supply Voltage (3.3 V rail) | 3.0 V to 3.6 V |
| Supply Voltage (5 V rail) | 4.75 V to 5.25 V |
| Program Technology | Antifuse (one-time programmable, non-volatile) |
| Temperature Grade | Commercial (0C to +70C) |
| Package | 208-pin CQFP (BFCQFP with tie bar), 75x75 mm, square |
| Terminal Form | Flat (gull-wing, per QFF package code) |
| Mounting Type | Surface Mount |
| Programming Adapter | SM208CQ-ACTEL-2 on Silicon Sculptor (CQ208) |
| RoHS Status | RoHS compliant (per LCSC listing) |
| Configuration Storage | None required (non-volatile antifuse) |
A54SX32-CQ208 208-pin cqfp (bfcqfp with tie bar), 75x75 mm, square Pin Configuration Guide
Complete pinout information for A54SX32-CQ208 (208-pin cqfp (bfcqfp with tie bar), 75x75 mm, square 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.
No detailed pinout data available for A54SX32-CQ208.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
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-CQ208 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Equipment, Aerospace and Defense Test Instrumentation, Legacy 5V System Upgrades and Sustaining Engineering, Medical Diagnostic Equipment (Legacy Platforms), Secure and Anti-Tamper Logic.
Industrial Control and Automation
The A54SX32-CQ208 fits industrial control systems that need deterministic, instant-on logic without configuration boot time. Its antifuse fabric is live at power-up, so PLC sequencing and interlock logic begin operating within microseconds, unlike SRAM FPGAs that must load configuration from external flash. With 32,000 gates, 1,800 logic cells, and 174 user I/O, it consolidates glue logic, bus interfaces, and state machines into one ceramic CQFP device. The 5 V I/O rail (4.75 V to 5.25 V) directly interfaces with legacy industrial sensors and actuators, while the 205 MHz capability covers fast data-path functions in motion control and factory automation backplanes.
Recommended
Communications and Networking Equipment
In telecom and networking line cards, the A54SX32-CQ208 provides high-performance data-path glue logic with predictable timing. The SX sea-of-modules architecture supports pipelined designs up to 205 MHz, adequate for legacy T1/E1 framers, backplane control, and protocol bridging functions. The 174 programmable I/O pins support the many parallel bus interfaces typical of 1990s-era carrier equipment, and the non-volatile antifuse configuration eliminates flash configuration devices whose contents could be disturbed in high-availability racks. The ceramic CQFP package with tie bar improves heat spreading in densely populated line-card environments with limited airflow.
Recommended
Aerospace and Defense Test Instrumentation
Ground-based aerospace test racks and defense instrumentation historically specified ceramic-packaged Actel antifuse FPGAs for their mechanical robustness and configuration security. The A54SX32-CQ208 in its 208-pin ceramic CQFP with tie bar survives the vibration, thermal cycling, and handling of reusable test equipment, and the antifuse fabric cannot be read back, protecting proprietary test algorithms. Commercial temperature grading (0C to +70C) suits laboratory and sheltered rack environments. With 2,880 modules and dual-rail 3.3 V/5 V operation, it implements timing generators, pattern capture, and interface conversion between modern controllers and legacy avionics bus hardware.
Recommended
Legacy 5V System Upgrades and Sustaining Engineering
Many industrial and telecom platforms still run 5 V logic. The A54SX32-CQ208 accepts a 4.75 V to 5.25 V I/O supply directly, unlike modern FPGAs limited to 1.8 V to 3.3 V banks, making it a natural choice when repairing or extending boards designed around 5 V TTL buses. Its 32,000 gates absorb the incremental logic of feature-add revisions, and the CQFP socket-compatible footprint allows field replacement without board rework. Because the antifuse configuration is permanent, serviced boards behave identically to originals at every power cycle, simplifying recertification of upgraded legacy equipment in regulated industries.
Recommended
Medical Diagnostic Equipment (Legacy Platforms)
Older medical imaging and diagnostic platforms that shipped with SX-family FPGAs require exact substitutes during service life extension, and the A54SX32-CQ208 fills that role. Its instant-on antifuse configuration guarantees that patient-interface interlocks and safety logic are active before any measurement sequence starts, without relying on a boot device that could fail. The 174 I/O supports the dense parallel interfaces between detector front ends and processing backplanes, while dual 3.3 V and 5 V supplies match the original board power architecture. The ceramic CQFP package withstands repeated autoclave-adjacent thermal exposure in hospital equipment bays.
Recommended
Secure and Anti-Tamper Logic
Antifuse FPGAs are inherently resistant to configuration extraction because programmed interconnects cannot be read back, and the A54SX32-CQ208 benefits from this property in applications where bitstream confidentiality matters. Designers use it to hold authentication routines, key-management state machines, and copy-protection logic alongside system functions. The one-time programmable nature prevents runtime reconfiguration attacks, and the ceramic package adds a mechanical tamper barrier compared with plastic. With 32,000 gates of sea-of-modules fabric operating at up to 205 MHz on a 3.3 V core, it implements secure boot-check logic that is active from the first clock edge at power-up.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-CQ208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-CQ208B | A54SX32-CQ208M | A54SX32-1CQ208 | A54SX32A-CQ208 |
|---|---|---|---|---|---|
| Package | 208-pin CQFP (BFCQFP with tie bar) | 208-pin CQFP - same | 208-pin CQFP - same | 208-pin CQFP - same | 208-pin BFCQFP with tie bar - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32,000 gates | 32,000 gates | 32,000 gates | 48,000 gates (per -1 listing) | 32,000 gates |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Supply Voltage | 3.0 V to 3.6 V and 4.75 V to 5.25 V (dual) | [DATA_NEEDED] | [DATA_NEEDED] | 3 V to 3.6 V and 4.75 V to 5.25 V | [DATA_NEEDED] |
| Temperature Grade | Commercial (0C to +70C) | -B grade | -M extended grade | Commercial | Commercial |
| Speed Grade | Standard | Standard | Standard | -1 (faster) | SX-A enhanced |
| Program Technology | Antifuse (OTP, non-volatile) | Antifuse | Antifuse | Antifuse | Antifuse |
| Lifecycle Status | EOL | EOL | EOL | EOL | EOL |
Key Differentiators
- Non-volatile antifuse configuration with zero boot time (vs A54SX32A-CQ208)
- Faster timing margin available in same footprint (vs A54SX32-1CQ208)
- Extended temperature option without redesign (vs A54SX32-CQ208M)
- Ceramic CQFP mechanical robustness (vs A54SX32-PQ208)
Design Notes
The A54SX32-CQ208 requires two supplies: 3.3 V (3.0-3.6 V) and 5 V (4.75-5.25 V). Verify the 5 V rail tolerance of all connected TTL devices and sequence the 3.3 V rail up before or with the 5 V rail to satisfy mixed-voltage I/O latch-up constraints common in 0.35 um dual-supply designs. Decouple each supply pin with 0.1 uF ceramic capacitors plus bulk 10 uF per rail; the ceramic CQFP has multiple VCC/GND pairs, so decouple every pair. Estimated power depends on toggling activity - use the Designer software power calculator before finalizing the regulator budget.
Antifuse programming is permanent. Do not program a prototype without completing gate-level simulation, timing analysis, and I/O constraint verification in Actel/Microchip Designer software, since no rework is possible after programming. Use the SM208CQ-ACTEL-2 adapter on the Silicon Sculptor programmer - per Microchip support, the same CQ208 adapter serves family members such as A54SX32-CQ208, but check the latest adapter module recommendation before each programming session. Also note the CQFP tie-bar lead geometry requires a footprint matched to the BFCQFP mechanical drawing.
The 208-pin CQFP with 75x75 mm body needs a generous land pattern with all 208 flat leads soldered; inspect for lifted leads under X-ray or AOI because gull-wing ceramic leads can lift during reflow if the board warps. Keep high-speed clock traces short and referenced to a solid ground plane; with 205 MHz capability, treat any trace longer than roughly one-tenth of the rise-time electrical length as a transmission line (estimated guideline). Provide thermal relief through the tie bar connection to copper pour, since ceramic packages spread heat into the board rather than into a heatsink.
Compliance Information
RoHS compliance recorded per LCSC listing (C2616403). Lead-free and REACH status not confirmed in provided data - request compliance certificates from Microchip or distributor. Commercial-grade part; not automotive qualified.
