A54SX32-1PQG208 - 32K Gate SX FPGA, 208-PQFP | Microchip
MPN: A54SX32-1PQG208 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $58.9 | $58.90 |
| 10 | $53.01 | $530.10 |
| 100 | $47.12 | $4,712.00 |
| 500 | $42.41 | $21,205.00 |
| 1,000 | $37.7 | $37,700.00 |
Drop-in alternatives for A54SX32-1PQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX32-2PQG208
✅ Drop-In✓ In Stock
$45.4 / Unit
View Datasheet →A54SX32-1PQG208M
✅ Drop-In✓ In Stock
$44.6 / Unit
View Datasheet →A54SX32-1PQ208
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
A54SX32A-1PQG208
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-PQ208
✅ Drop-In✓ In Stock
$44.75 / Unit
View Datasheet →A54SX32-1PQG208 Maximum Ratings & Electrical Characteristics
| Family | SX (Actel antifuse FPGA) |
| System Gates | 32,000 (48K max per Mouser listing) |
| Logic Modules / Cells | 1,800 |
| User I/O | 174 |
| Maximum System Performance | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage | 3.3 V / 5 V |
| Programming Type | Antifuse, one-time programmable (OTP) |
| Speed Grade | -1 (standard) |
| Package | 208-Pin PQFP (208-BFQFP) |
| Mounting Type | Surface Mount |
| Lead Free Status | Lead free (per distributor listings) |
| Configuration Storage | Non-volatile (antifuse, no boot PROM) |
| Architecture | Sea-of-modules (CM/RM clusters) |
| RoHS Status | Compliant (per distributor listings) |
A54SX32-1PQG208 208-pin pqfp (208-bfqfp) Pin Configuration Guide
Complete pinout information for A54SX32-1PQG208 (208-pin pqfp (208-bfqfp) 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 A54SX32-1PQG208.
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
A54SX32-1PQG208 is suitable for 6 applications: Industrial Control and Automation Glue Logic, Aerospace and Defense Legacy Board Sustainment, Telecommunications Line Cards, Secure Single-Chip Logic Consolidation, Motor Drive and Motion Control Sequencing, Test and Measurement Fixture Logic.
Industrial Control and Automation Glue Logic
The A54SX32-1PQG208 fits industrial control boards that must consolidate address decoding, bus bridging, and sequencing logic into one deterministic device. Its 32K gates and 1,800 logic modules absorb dozens of 7400-family devices, while the 280 MHz-class internal performance easily covers PLC backplane timing. Because the antifuse configuration is non-volatile, the board boots instantly with no configuration PROM - important for machinery that must be functional the moment 24V control power is applied. Use the 3.3V core with 5V-tolerant I/O for legacy industrial signaling, and reserve I/O margin from the 174 available pins for field revisions routed as NC test points.
Recommended
Aerospace and Defense Legacy Board Sustainment
Antifuse FPGAs were historically favored in aerospace and defense because their one-time-programmed configuration cannot be upset by SEU-induced configuration loss and requires no radiation-exposed configuration memory. The A54SX32-1PQG208 and its M-grade sibling A54SX32-1PQG208M support sustainment of legacy flight and ground-system boards where redesign is prohibited. The PQ208 through-reflow package simplifies rework in low-volume military production. Note that the base commercial part is not radiation-qualified; for rad-tolerant needs, Microchip's RTAX family (e.g., RTAX250SL parts) carries that role, while the SX32 handles non-critical digital aggregation on the same board.
Recommended
Telecommunications Line Cards
Telecom line cards of the SX32 era used antifuse FPGAs for framer glue, HDLC offload, and backplane interfacing, benefiting from deterministic timing and instant availability after hot-swap insertion. The A54SX32-1PQG208's 174 I/Os support the parallel bus widths typical of T1/E1 framers and backplane connectors, while 0.35 um CMOS keeps static power low in always-on equipment. Designers should place 0.1 uF decoupling at each VCC pin per datasheet guidance and verify 5V-tolerant pin assignments against the backplane standard in use. For life-of-field spares, source same-die variants before residual stock depletes.
Recommended
Secure Single-Chip Logic Consolidation
Where IP protection matters - pay terminals, licensed equipment, anti-cloning industrial products - the A54SX32-1PQG208's antifuse fabric provides hardware-level design security: there is no bitstream to intercept, no readback path, and the programmed interconnect is invisible even under decapsulation-level inspection short of destructive analysis. This is a structural advantage over SRAM FPGAs whose configuration flash or external PROM can be copied. Integrate state machines, authentication logic, and proprietary interfaces within the 32K gates, and keep the design in Libero under source control, because the OTP nature means a security flaw cannot be patched in the field.
Recommended
Motor Drive and Motion Control Sequencing
Motion controllers use the A54SX32-1PQG208 to generate PWM gating, quadrature decode, and interlock logic with cycle-accurate determinism unavailable in microcontroller software. The 280 MHz-class fabric easily supports 20 kHz-plus PWM carriers with sub-nanosecond-phase resolution across the 174 I/Os, and the non-volatile configuration ensures the drive never powers gates before sequencing logic is live - a genuine safety benefit over SRAM FPGAs that spend milliseconds loading. Couple the FPGA I/O to gate drivers through isolators, and honor the 3.3V/5V supply domains listed in the datasheet when interfacing to legacy encoder signals.
Recommended
Test and Measurement Fixture Logic
Production test fixtures and ATE adapter boards employ the A54SX32-1PQG208 for protocol emulation, scan-chain stitching, and timing-generation glue. Instant-on behavior means the fixture is ready the moment the tester initializes - no configuration download latency per DUT cycle - and the PQ208 hand-solderable QFP footprint eases fixture rework between product generations. Designers should exploit the 1,800 logic modules for per-pin comparators and reserve gates for boundary-scan-style debug logic. Because the device is OTP, program fixture variants from separate, versioned programming files and label each programmed device with its fixture revision.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-1PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-2PQG208 | A54SX32-1PQG208M | A54SX32A-1PQG208 | A54SX32-PQ208 |
|---|---|---|---|---|---|
| Package | 208-PQFP (208-BFQFP) | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same footprint family | 208-PQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32K (48K max) | 32K (48K max) | 32K (48K max) | 48K (2880 CLBs per FindIC) | 32K |
| Logic Cells / Modules | 1,800 | 1,800 | 1,800 | 2,880 CLBs | 1,800 |
| User I/O | 174 | 174 | 174 | [DATA_NEEDED] | [DATA_NEEDED] |
| Max Performance | 280 MHz | Faster than -1 speed grade | [DATA_NEEDED] | 278 MHz | 240 MHz |
| Process / Supply | 0.35 um, 3.3V/5V | 0.35 um, 3.3V/5V | 0.35 um, 3.3V/5V | 0.35 um class, 3.3V/5V | 0.35 um, 3.3V/5V |
| Lead Finish / RoHS | Lead-free (G suffix), RoHS compliant | Lead-free (G suffix) | Lead-free (G suffix) | RoHS compliant | Tin/lead (non-G), not RoHS |
Key Differentiators
- Fastest standard speed grade in 208-PQFP among same-generation SX32 parts (vs A54SX32-PQ208)
- Lead-free RoHS-compliant plating (vs A54SX32-PQ208)
- Non-volatile antifuse fabric with no configuration PROM (vs A54SX32A-1PQG208)
Design Notes
The SX32 uses separate VCC and VCCA (analog/PLL-related) supplies within its 3.3V/5V scheme per the SX family datasheet. Place a 0.1 uF ceramic capacitor at every VCC/VCCA pin pair and at least one 10 uF bulk capacitor per device. Estimated: with 1,800 modules toggling at even 25% activity, core current is typically in the tens-of-mA range at 3.3V, but run the Actel power calculator in Libero with your actual netlist before sizing the regulator - I/O current with heavily loaded 5V-tolerant banks can dominate.
Antifuse OTP is the defining constraint: once programmed, the device cannot be corrected. Freeze RTL, pass timing simulation, and verify pin assignments against the 208-PQFP datasheet pinout before sending devices to the programmer. A frequent error is reusing a place-and-route pinout from a different package (e.g., TQ144) - the PQ208 pin ring assignment differs. Order spare programmed devices per design revision, since a field fix requires physically swapping silicon.
Use a standard QFP-208 land pattern with slightly elongated pads (per IPC-style QFP practice) to aid rework on low-volume boards. Route the highest-fanout clock on an inner layer with a solid ground plane beneath to control the 280 MHz-class edges; keep series termination resistors near the FPGA driver pins for lines longer than ~50 mm. Provide thermal relief via 2-oz copper planes if the board carries multiple programmable devices in an enclosed industrial chassis.
Compliance Information
Distributor listings (PCB Electronics, Kynix) mark A54SX32-1PQG208 as LEAD FREE; RoHS compliance per DigiKey listing. REACH, halogen-free, and conflict-minerals status not stated in provided data.
