A54SX32A-PQ208I - 32K-Gate Antifuse FPGA, 208-PQFP | Microchip
MPN: A54SX32A-PQ208I β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $176.16 | $176.16 |
| 10 | $167.85 | $1,678.50 |
| 25 | $155 | $3,875.00 |
| 100 | $142 | $14,200.00 |
| 500 | $128 | $64,000.00 |
Drop-in alternatives for A54SX32A-PQ208I β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
A54SX32A-PQG208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-PQG208M
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-PQ208M
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-2PQ208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-1PQG208
β Drop-Inπ Reference alternative (not in catalog)
A54SX16P-PQG208I
β Drop-Inβ In Stock
$38.75 / Unit
View Datasheet βA54SX16-1PQG208I
β Drop-Inβ In Stock
$39.9 / Unit
View Datasheet βA54SX32A-2PQG208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-PQ208I Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 32000 |
| Logic Modules (Cells) | 1800 |
| Number of I/O | 174 |
| Maximum Internal Performance | 238 MHz |
| Clock-to-Out (Pin-to-Pin) | 3.7 ns |
| Input Set-Up | 0.1 ns |
| Clock Skew | 0.25 ns |
| Core Supply Voltage | 2.5 V |
| I/O Supply Voltage | 3.3 V (5.0 V tolerant per family data) |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Programmability Type | Antifuse (one-time programmable) |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Package | 208-BFQFP / PQFP-208 |
| Mounting Type | Surface Mount |
| PCI Support | 66 MHz PCI single-chip solution |
| Pin Locking | 100% pin locking with 100% resource utilization |
A54SX32A-PQ208I 208-bfqfp / pqfp-208 Pin Configuration Guide
Complete pinout information for A54SX32A-PQ208I (208-bfqfp / pqfp-208 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 A54SX32A-PQ208I.
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
A54SX32A-PQ208I is suitable for 6 applications: Industrial Control Logic Integration, 66 MHz PCI Bus Interface, Defense and Avionics Secure Logic, Telecommunications Line Cards, Test and Measurement Instrumentation, Legacy System Obsolescence Redesign.
Industrial Control Logic Integration
The A54SX32A-PQ208I consolidates address decoders, bus transceivers, sequencers, and glue logic into one 32K-gate antifuse device, replacing multiple CPLDs and 74-series parts on industrial PLC and motor-control boards. Its 174 user I/Os in a single 208-pin PQFP accommodate wide parallel buses, and instant-on antifuse configuration means no boot delay - critical for factory equipment that must be live at power application. The 238 MHz internal performance far exceeds state-machine requirements, while the industrial -40C to +85C rating matches harsh factory-floor environments. Because configuration is non-volatile and secure, control IP cannot be extracted from installed hardware.
Recommended
66 MHz PCI Bus Interface
Per the SX-A datasheet, the family achieves 66 MHz PCI compliance as a single-chip solution, and the A54SX32A-PQ208I is sized for PCI host/bridge logic with headroom for attached application logic. Timing metrics of 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew satisfy the 66 MHz PCI AC timing budget, while 3.3V I/O with 5.0V tolerance bridges legacy signaling environments. Designers implement the PCI state machine plus target application (FIFOs, DMA engines) in 1800 modules, eliminating a separate PCI-assist ASIC. Antifuse non-volatility removes PCI configuration-time dependencies at system power-up.
Recommended
Defense and Avionics Secure Logic
Antifuse FPGAs are a mainstay of defense electronics because the programming mechanism leaves no bitstream in external memory and no readback path exists - design IP is physically embedded in blown fuse links. The A54SX32A-PQ208I provides 32K gates of such logic with industrial -40C to +85C operation, suiting ruggedized line-replaceable units, secure communications controllers, and sensor-interface boards. The one-time-programmable nature also eliminates configuration-glitch risks from SEU-induced configuration upsets that SRAM FPGAs face, simplifying mitigation analysis. The mature, frozen die revision supports long-lifecycle military programs that cannot tolerate silicon changes.
Recommended
Telecommunications Line Cards
Telecom line cards mix legacy 5V-tolerant backplane signaling with 3.3V logic, exactly the I/O environment the SX-A family datasheet highlights (3.3V operation with 5.0V tolerance). The A54SX32A-PQ208I implements framers glue, TDM bus switching, alarm aggregation, and hot-swap control in one 32K-gate, 174-I/O device within the 208-pin PQFP footprint common on legacy line-card layouts. Instant-on antifuse configuration ensures the card participates in backplane arbitration immediately at insertion, and deterministic pin-to-pin timing (3.7 ns) supports backplane timing closure. Low static power of antifuse silicon also reduces the card's thermal budget.
Recommended
Test and Measurement Instrumentation
Instrument backplanes need deterministic, glitch-free control logic at power-up; the A54SX32A-PQ208I's antifuse fabric delivers 0.25 ns clock skew and no configuration delay, making it reliable for trigger distribution, counter/timer control, and bus arbitration in bench instruments. Its 1800 modules accommodate address generation and datapath muxes, while 3.3V/5V-tolerant I/O connects directly to legacy instrument buses. Because the device is one-time programmable, instrument firmware revisions live in microcontroller code, not FPGA bitstreams - simplifying configuration management in calibrated equipment. Industrial temperature rating supports portable field instruments.
Recommended
Legacy System Obsolescence Redesign
When a discontinued CPLD, ASIC, or SRAM FPGA must be replaced in a long-life system (energy, rail, medical), the A54SX32A-PQ208I offers an actively manufactured, secure, single-chip migration target with 32K gates and 174 I/Os. Antifuse non-volatility replicates the instant-on behavior of the original mask-programmed device without adding configuration flash, and the frozen 0.25um/0.22um die guarantees no future silicon stepping surprises. The 208-pin PQFP is hand-solderable for low-volume retrofit programs, and the identical PQG208I green variant keeps new designs RoHS-aligned while sharing one firmware toolchain.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-PQ208I β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-PQG208I | A54SX32A-PQG208M | A54SX32A-PQ208M | A54SX32A-2PQ208I | A54SX16P-PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (BFQFP) | 208-PQFP - same footprint, green | 208-PQFP - same footprint, green | 208-PQFP - same footprint | 208-PQFP - same footprint | 208-PQFP - same footprint |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 | 32000 | 32000 | 32000 | 32000 | 16000 |
| User I/O | 174 | 174 | 174 | 174 | 174 | [DATA_NEEDED] |
| Max Internal Performance | 238 MHz | 238 MHz | 238 MHz | 238 MHz | Lower (speed grade -2) | [DATA_NEEDED] |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | 0C to +70C | 0C to +70C | -40C to +85C | -40C to +85C |
| RoHS / Lead-Free | No (leaded PQ208) | Yes (green package) | Yes (green package) | No (leaded PQ208) | No (leaded PQ208) | Yes (green package) |
| Core / I/O Voltage | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V |
| Reference Price (qty 1, as of 2026-09-03) | $176.16 | [DATA_NEEDED] | [DATA_NEEDED] | $167.85 (FindIC ref) | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Non-volatile secure configuration with instant-on (vs A54SX16P-PQG208I)
- Lead-free variant available in identical footprint (vs A54SX32A-PQ208M)
- Timing headroom over the older SX family (vs A54SX16-1PQG208I)
- Trade-off: one-time programmability (vs SRAM-based FPGAs)
Design Notes
Antifuse silicon is one-time programmable - a bad programming run cannot be recovered. Complete full simulation in the Microchip Libero/Designer flow, verify timing with back-annotated delays, and lock pin assignments (the SX-A supports 100% pin locking with 100% utilization) before committing to programming. Budget engineering-revision or prototype parts in your schedule; programming yield, not silicon failure, is the dominant risk in production ramp.
The device requires a 2.5V core rail and 3.3V I/O rail. Per the SX-A datasheet, supply pins must be decoupled with low-ESR ceramic capacitors placed at each VCC/VCIA pin pair. Estimated: antifuse static current is very low compared to SRAM FPGAs (no configuration bitstream leakage), but dynamic current scales with toggle rate - budget rails from Designer power-analysis reports rather than worst-case family tables. Ensure rail sequencing does not exceed I/O latch-up limits during hot insertion.
The 208-pin PQFP has 0.5 mm pitch gull-wing leads. Follow the Microchip package outline for land pattern dimensions; use solder-mask-defined pads for easier inspection. Thermal performance depends on PCB copper: the datasheet notes theta_JA varies strongly with board design - use at least a 4-layer board with solid ground plane and thermal vias near the die-attached center of the footprint for industrial ambient environments above 60C.
With 3.7 ns pin-to-pin clock-to-out and 0.25 ns clock skew, 66 MHz PCI closure is achievable, but do not route fast output banks as fly-by stubbed buses. Match trace lengths on parallel buses, series-terminate 3.3V CMOS outputs driving backplanes (typically 22-33 ohm, per your IBIS analysis), and keep the 2.5V core ground returns separate from noisy I/O returns. Use 5V-tolerant I/O assignment only where legacy 5V signaling genuinely exists.
Compliance Information
Per FindIC comparison data, A54SX32A-PQ208I is listed as non-compliant/containing lead; the A54SX32A-PQ208A and PQG208 variants are the RoHS-compliant, lead-free options in the same footprint.
