A54SX32A-2TQG176I - SX-A FPGA 32K Gates 176-TQFP | Microchip
MPN: A54SX32A-2TQG176I β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $58.5 | $58.50 |
| 10 | $52.65 | $526.50 |
| 100 | $46.8 | $4,680.00 |
| 500 | $42.1 | $21,050.00 |
| 1,000 | $38 | $38,000.00 |
Drop-in alternatives for A54SX32A-2TQG176I β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-2TQG176
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A54SX32A-TQG176I
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View Datasheet βA54SX32A-1TQG176I
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A54SX32A-TQG176I
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View Datasheet βA54SX32A-1TQG176
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A54SX32-TQ176I
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View Datasheet βA54SX32A-2TQG176I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 48000 |
| Typical Gates | 32000 |
| Logic Modules (Cells) | 1800 |
| User I/O | 147 |
| Maximum Toggle Frequency | 313 MHz |
| Speed Grade | -2 |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Operating Temperature | -40C to +85C (industrial) |
| Package | 176-pin TQFP |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Logic Module Types | R-cell (register) and C-cell (combinatorial) |
A54SX32A-2TQG176I 176-pin tqfp Pin Configuration Guide
Complete pinout information for A54SX32A-2TQG176I (176-pin tqfp 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-2TQG176I.
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-2TQG176I is suitable for 6 applications: Industrial Control and Automation, Avionics and Defense Electronics, Communications Bridging and Line-Card Glue Logic, Single-Chip Logic Integration / Cost Reduction, Test and Measurement Instrumentation, Secure Embedded Systems and Anti-Tamper Designs.
Industrial Control and Automation
The A54SX32A-2TQG176I fits industrial control because its -40C to +85C industrial rating matches factory-floor ambient extremes, while the 147 user I/O absorb the parallel sensor, encoder, and actuator interfaces common on PLC backplanes. Its 1,800 R-cell/C-cell modules implement state machines, counters, and bus interfaces deterministically at clock rates up to the 313 MHz toggle-frequency class, far beyond what microcontroller firmware can guarantee. The antifuse fabric removes configuration-upset risk at power-up - no boot device, no configuration reload, and no readback attack surface. Placed as the glue-logic bridge between a host CPU and field I/O cards, it replaces dozens of discrete 74-series devices, cutting board area and BOM cost while the 2.5V core keeps static power low in always-on installations.
Recommended
Avionics and Defense Electronics
In avionics and defense builds, the A54SX32A-2TQG176I is chosen for configuration security and radiation-tolerant behavior: antifuse interconnect cannot be read back or reprogrammed, and no SRAM configuration bitstream exists to corrupt, which historically made Actel/Microsemi SX-A the default for flight glue logic. The industrial -40C to +85C range and 2.25V to 5.25V supply tolerance accommodate unregulated avionics power rails, while the 313 MHz-class fabric implements bus bridges, discrete-to-digital converters, and safety-interlock logic with deterministic timing. The 176-TQFP surface-mount package simplifies conformal-coated, vibration-prone assemblies versus ceramic pin-grid alternatives. Design teams should close timing with the full industrial corner in Libero and retain one-time-programmability as a certification asset, documenting the programmed netlist as the configuration of record.
Recommended
Communications Bridging and Line-Card Glue Logic
Telecom and datacom line cards use the A54SX32A-2TQG176I to bridge mismatched interface standards - parallel PHY buses to backplane serializers, or legacy TDM framers to modern processors. The 313 MHz maximum toggle frequency of the -2 speed grade covers common 8-bit parallel buses at 100 MHz-class clocks, and the C-cell/R-cell pair delivers predictable register timing for pipeline retiming. With 147 user I/O, a single device terminates multiple card-edge and mezzanine connectors that would otherwise require separate level-shift and logic families. The antifuse fabric burns no dynamic routing power in unused regions, keeping idle-channel power low - an advantage over SRAM FPGAs whose configuration fabric is always energized. Place it between the backplane connector and host processor with care on 3.3V I/O banking per the SX-A datasheet.
Recommended
Single-Chip Logic Integration / Cost Reduction
Microchip positions SX-A devices for system-wide savings by integrating multiple functions into a low-cost single-chip solution, and the A54SX32A-2TQG176I is the volume sweet spot of the family. A typical 32K-gate capacity absorbs address decoders, bus arbiters, wait-state generators, interrupt controllers, and PWM banks previously spread across twenty or more SSI/MSI devices. The sea-of-modules architecture wastes virtually no die on routing, so utilization is high and per-function cost drops sharply at the 0.25 um process node. Because the antifuse is one-time programmable, converted legacy designs get the security of fixed silicon without ASIC NRE or minimum-order exposure. Engineering teams should complete post-layout simulation before programming, since errors cannot be patched in-circuit - unlike SRAM FPGA flows.
Recommended
Test and Measurement Instrumentation
Bench and automated test instruments deploy the A54SX32A-2TQG176I as a deterministic timing and pattern engine. The R-cell register fabric toggles reliably at up to 313 MHz in the -2 grade, enabling precise stimulus generators, edge-aligned sampling strobes, and frequency dividers for measurement channels. The 147 user I/O drive multi-channel test fixtures in parallel - impossible for a microcontroller GPIO bank - while deterministic antifuse routing guarantees zero jitter drift from configuration reload events. The 2.5V core and 5V-tolerant legacy I/O mix suits instruments that interface both modern processors and older TTL-level test hardware. Industrial temperature rating keeps calibration stable across laboratory ambient swings. Implement trigger trees and timebase chains in dedicated R-cells for the cleanest timing skew performance.
Recommended
Secure Embedded Systems and Anti-Tamper Designs
Where IP protection matters - licensed products, encryption key handling, secure boot companions - the A54SX32A-2TQG176I provides hardware-level confidentiality that SRAM FPGAs cannot: the programmed antifuse netlist has no configuration bitstream to dump, no JTAG configuration readback path, and no external flash image to copy. Microchip explicitly markets SX-A security alongside performance and low power for demanding applications. The 1,800 logic modules are sufficient for custom cipher blocks, challenge-response authentication logic, or board-level anti-tamper monitors feeding a host processor. The industrial -40C to +85C range covers deployed environments, and the 176-TQFP package avoids the exposed-die risks of flip-chip packages. Combine with a secure MCU and treat the one-time-programmed design as a fixed security root of trust.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-2TQG176I β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-2TQG176 | A54SX32A-1TQG176I | A54SX32-TQ176I |
|---|---|---|---|---|
| Package | 176-TQFP | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology (Actel/Microsemi) |
| Typical Gates | 32000 | 32000 | 32000 | 32000 |
| Logic Modules | 1800 | 1800 | 1800 | 1800 |
| User I/O | 147 | 147 | 147 | 147 |
| Maximum Toggle Frequency | 313 MHz | 313 MHz | 278 MHz class (-1 grade) | 278 MHz class (SX generation) |
| Operating Temperature | -40C to +85C (industrial) | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Process Technology | 0.25 um | 0.25 um | 0.25 um | 0.25 um (SX generation) |
Key Differentiators
- Fastest speed grade in the 176-TQFP SX-A family (vs A54SX32A-1TQG176I)
- Industrial temperature rating for harsh deployments (vs A54SX32A-2TQG176)
- SX-A generation performance over predecessor SX (vs A54SX32-TQ176I)
- Trade-off: one-time programmable (vs SRAM-based FPGAs)
Design Notes
The A54SX32A-2TQG176I runs a 2.5V core with a 2.25V to 5.25V supported supply range per Microchip USA. Decouple each supply pin with a 0.1 uF ceramic capacitor placed within 2 mm of the pin, plus 10 uF bulk per rail. Antifuse FPGAs draw essentially no configuration power at startup, so there is no power-sequencing requirement between rails, but verify total dynamic current at your toggle rate using the SX-A datasheet power calculator before finalizing the regulator budget.
This is a one-time-programmable antifuse device. A design error cannot be reworked in-circuit like an SRAM FPGA - the programmed part is scrap. Run full post-layout timing simulation and design-rule checks in Libero before programming, and keep spare device budget (10-15%) for programming yield. Also plan I/O assignments early: 147 user I/O in a 176-pin TQFP leaves limited flexibility, and late pin swaps may violate the antifuse router's capacity.
The 176-TQFP (0.5 mm lead pitch) requires a solder-mask-defined footprint per the SX-A datasheet mechanical drawing and no-clean or water-washable paste handling. Use a 0.2 mm stencil aperture reduction on fine-pitch leads to prevent bridging. Thermal relief is generally unnecessary at typical SX-A power levels, but a modest ground pour on layer 2 improves both heat spreading and signal return paths for the 313 MHz-class edges.
At -2 speed grade toggle rates up to 313 MHz, treat any output edge faster than ~2 ns as a transmission-line case on traces longer than 5 cm: add 22-50 ohm series termination at the driver. Group I/O banks by voltage domain and avoid routing fast clocks adjacent to the TQFP's corner power pins. Simulate the longest bus if it drives cable harnesses off-board.
Compliance Information
Compliance status was not stated in the provided verified web data. [DATA_NEEDED: RoHS/REACH/lead-free status from Microchip product page] - confirm with Microchip before export-controlled or regulated builds.
