A54SX32-PQ208M - 48K Gate FPGA, 174 I/O, PQFP-208 | Microchip
MPN: A54SX32-PQ208M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1021.07 | $1,021.07 |
| 10 | $970.02 | $9,700.20 |
| 100 | $919 | $91,900.00 |
| 500 | $867.91 | $433,955.00 |
| 1,000 | $816.86 | $816,860.00 |
Drop-in alternatives for A54SX32-PQ208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-PQ208
✅ Drop-In✓ In Stock
$44.75 / Unit
View Datasheet →A54SX32-PQ208I
✅ Drop-In✓ In Stock
$272.19 / Unit
View Datasheet →A54SX32-PQG208M
✅ Drop-In✓ In Stock
$1269.95 / Unit
View Datasheet →A54SX32-1PQG208M
✅ Drop-In✓ In Stock
$44.6 / Unit
View Datasheet →A54SX32-2PQG208I
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View Datasheet →A54SX32-PPQ208M
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-PQ208M Maximum Ratings & Electrical Characteristics
| Family | SX (54SX) FPGA |
| Equivalent System Gates | 48,000 |
| Programmable I/O Pins | 174 |
| Package | 208-BFQFP (PQFP-208), 28 x 28 mm |
| Terminal Pitch | 0.5 mm |
| Mounting Type | Surface Mount |
| Supply Voltage - Nominal | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| I/O Tolerance | 5 V tolerant operation |
| Internal Performance | 320 MHz |
| Clock-to-Out (Pin-to-Pin) | 3.7 ns |
| Input Set-Up Time | 0.1 ns |
| Clock Skew | 0.25 ns |
| PCI Integration | 66 MHz PCI single-chip solution |
| Process Technology | 0.35 um CMOS |
| Programmability | Antifuse, one-time programmable, non-volatile |
| Pin Locking | 100% resource utilization with 100% pin locking |
| RoHS Status | unknown |
A54SX32-PQ208M 208-bfqfp (pqfp-208), 28 x 28 mm Pin Configuration Guide
Complete pinout information for A54SX32-PQ208M (208-bfqfp (pqfp-208), 28 x 28 mm package) with 174 pins. 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-PQ208M.
Refer to the datasheet for full pin configuration.
Estimated pin count: 174 pins (digital package)
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-PQ208M is suitable for 6 applications: 66 MHz PCI Interface Integration, Industrial Control Systems, Military and Aerospace Secure Logic, Legacy 5V Logic Consolidation, Communications Equipment, Test and Measurement Instruments.
66 MHz PCI Interface Integration
The A54SX32-PQ208M was explicitly designed to serve as a 66 MHz PCI single-chip integration solution. With 3.7 ns pin-to-pin clock-to-out, 0.1 ns input setup, and 0.25 ns clock skew, the device closes timing for 66 MHz PCI host and target state machines while absorbing glue logic such as bus arbiters, decoders, and FIFOs. Its 174 programmable I/O with 5 V tolerant inputs interfaces directly with legacy PCI components, and 100% pin locking allows the PCB to be finalized before design freeze.
Recommended
Industrial Control Systems
In industrial controllers and PLC I/O modules, the A54SX32-PQ208M integrates counters, encoders, communication interfaces, and sequencing logic that would otherwise require multiple CPLDs and discrete logic. The 3.3 V nominal supply with 5 V tolerant I/O allows direct connection to 24 V-system front ends conditioned by standard TTL-level circuitry. The antifuse configuration is immune to power-up configuration failures and configuration corruption from industrial noise, improving uptime compared with SRAM FPGAs in electrically harsh factory environments.
Recommended
Military and Aerospace Secure Logic
The antifuse SX family is a mainstay of defense and aerospace designs where bitstream security is mandatory. Because the A54SX32-PQ208M is programmed once and holds its configuration in silicon, there is no external configuration memory to intercept and no readback path for reverse engineering. Designers use it for mission computers, sensor interfaces, and bus controllers. For space and radiation-tolerant programs, Microchip's RTAX series (e.g., RTAX1000SL) provides a radiation-hardened evolution of this architecture.
Recommended
Legacy 5V Logic Consolidation
The A54SX32-PQ208M excels at replacing boards full of 5 V TTL/CMOS ASSP and PAL devices. Its 5 V tolerant inputs accept legacy signal levels directly, while 48,000 gates absorb address decoders, state machines, and bus transceivers into one 208-pin PQFP. Typical retrofits reduce board area, cut power, and improve reliability. Because the design can achieve 100% resource utilization with 100% pin locking, the migration can be executed without changing the existing backplane pin assignment.
Recommended
Communications Equipment
Line cards, protocol bridges, and backplane controllers in telecom racks use the A54SX32-PQ208M for framing, multiplexing, and glue logic at up to 320 MHz internal performance. The 0.25 ns clock skew supports distributed clocking across large register banks, and instant-on antifuse configuration eliminates boot delay in equipment that must link up within milliseconds of power application. The 28 x 28 mm PQFP offers a thermally robust, hand-inspectable package suited to long-service-life telecom hardware.
Recommended
Test and Measurement Instruments
Bench instruments and ATE modules deploy the A54SX32-PQ208M as a timing generator, trigger engine, and acquisition controller. The 0.1 ns input setup and 320 MHz internal performance allow fine-grained event capture, while 174 I/O connect to front-end ADCs, DACs, and panel interfaces. One-time programmability guarantees that a shipped instrument always powers up with the exact validated configuration, an advantage for calibration traceability and configuration control in metrology environments.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-PQ208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-PQ208 | A54SX32-PQ208I | A54SX32-PQG208M | A54SX32-PPQ208M |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP), 28 x 28 mm | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP green - same footprint | 208-BFQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 | 48,000 (same die) | 48,000 (same die) | 48,000 (same die) | 32,000 equivalent / 2880 CLBs |
| Programmable I/O | 174 | 174 | 174 | 174 | 174 |
| Max Clock Frequency | 240 MHz (320 MHz internal) | 240 MHz | 240 MHz | 240 MHz | 240 MHz (P speed grade) |
| Supply Voltage | 3.0 V - 3.6 V (nominal 3.3 V), 5 V tolerant I/O | 3.3 V nominal, 5 V tolerant | 3.3 V nominal, 5 V tolerant | 3.3 V nominal, 5 V tolerant | 3.3 V nominal, 5 V tolerant |
| Clock-to-Out (Pin-to-Pin) | 3.7 ns | 3.7 ns | 3.7 ns | 3.7 ns | [DATA_NEEDED] |
| Temperature Grade | M grade (per suffix) | Commercial (0C to +70C) | Industrial (-40C to +85C) | M grade, green package | M grade |
| RoHS / Lead-Free Package | unknown (standard molded PQFP) | unknown | unknown | Yes (green/lead-free) | unknown |
Key Differentiators
- Mature 48K-gate antifuse security FPGA (vs A54SX32-PPQ208M)
- Lead-free package option exists (vs A54SX32-PQG208M)
- 5 V tolerant I/O on all 174 pins (vs A54SX32-PQ208I)
- Instant-on, no configuration memory (vs SRAM-based Xilinx/Altera FPGAs)
Design Notes
Provide a regulated 3.3 V rail (3.0-3.6 V window) with local 0.1 uF ceramic decoupling on every VCC pin pair of the 208-pin PQFP, plus bulk 10-47 uF per bank. Antifuse FPGAs draw a programming current pulse during blow; ensure the supply can deliver the programming current specified in the family datasheet via the programmer (e.g., Silicon Sculptor). Do not share the VPP/programming supply rail with noise-sensitive analog circuitry.
The 5 V tolerant inputs still require controlled slew: terminate long backplane traces and respect the input edge-rate limits in the 54SX datasheet to avoid metastability. With 0.25 ns clock skew across the device, use balanced clock routing inside the FPGA and match trace lengths on the PCB for bus clocks above 50 MHz. Add series 22-33 ohm resistors on PCI-style outputs to control overshoot with 5 V legacy loads.
Antifuse devices are one-time programmable - a design change requires a new physical part, so fully verify timing in the Actel/Microchip Libero or Designer toolchain before programming production quantity. Confirm the exact speed-grade suffix (M vs 1, 2, P grades) against timing closure; dropping a faster grade into the same footprint is safe, but substituting a slower grade can fail timing. Keep unused I/O configured per datasheet guidance to avoid floating inputs.
Compliance Information
RoHS status of the standard PQ208M package was not stated in the verified web data. For lead-free requirements, the A54SX32-PQG208M green-package variant should be evaluated.
