A54SX32-TQG176I - 48K Gate FPGA, 147 I/O | Microchip
MPN: A54SX32-TQG176I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $118.5 | $118.50 |
| 10 | $109.8 | $1,098.00 |
| 100 | $98.4 | $9,840.00 |
| 500 | $92.1 | $46,050.00 |
| 1,000 | $86.75 | $86,750.00 |
Drop-in alternatives for A54SX32-TQG176I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-TQ176I
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View Datasheet →A54SX32-TQG176
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View Datasheet →A54SX16-TQG176I
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View Datasheet →A54SX16-TQG176
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View Datasheet →A54SX16P-TQG176I
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View Datasheet →A54SX32-TQG176I Maximum Ratings & Electrical Characteristics
| System Gates | 48000 |
| Logic Gates | 32000 |
| Logic Cells (Modules) | 1800 |
| User I/Os | 147 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um |
| Core Supply Voltage | 3 V to 3.6 V |
| I/O Supply Voltage | 4.75 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Family | SX (Actel/Microsemi) |
| Package | 176-LQFP / TQFP (24x24 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) |
| Number of Pins | 176 |
| Configuration | Non-volatile, no external configuration device required |
A54SX32-TQG176I 176-lqfp / tqfp (24x24 mm) Pin Configuration Guide
Complete pinout information for A54SX32-TQG176I (176-lqfp / tqfp (24x24 mm) package) with 176 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-TQG176I.
Refer to the datasheet for full pin configuration.
Estimated pin count: 176 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-TQG176I is suitable for 6 applications: Industrial Automation and Motor Control, Defense and Secure Subsystems, Telecommunications Line Cards, Test and Measurement Equipment, Legacy 5V Bus Interfacing, Medical Device Control Logic.
Industrial Automation and Motor Control
The A54SX32-TQG176I fits industrial control boards that consolidate glue logic, encoders, PWM generators, and safety interlock state machines into one deterministic device. Its sea-of-modules fabric delivers predictable, ASIC-like timing at up to 240 MHz, which matters for closed-loop motor control where jitter directly affects torque ripple. The 4.75V-5.25V I/O supply connects directly to legacy 24V-industrial 5V logic without level shifters, and the 147 user I/Os support parallel encoder, limit-switch, and operator-interface buses. Because the antifuse configuration is non-volatile, the controller is functional the instant power is applied - important for machines that must resume safely after a brown-out, without waiting for configuration load.
Recommended
Defense and Secure Subsystems
Defense electronics integrators use the A54SX32-TQG176I where configuration security and instant-on behavior are requirements, not preferences. The antifuse fabric cannot be read back: there is no bitstream to intercept, clone, or corrupt, unlike SRAM FPGAs whose configuration data is exposed on boot. The industrial -40C to +85C range covers most ground-based and sheltered avionic environments, and the non-volatile programming removes configuration-storage devices that complicate logistics and counterfeit-control plans. With 32,000 gates and 147 I/Os, typical roles include bus bridging (MIL-STD-1553 companion logic, ARINC interfaces), custom protocol engines, and trusted glue logic around processors, all with deterministic timing that simplifies qualification documentation.
Recommended
Telecommunications Line Cards
Legacy telecom line cards and backplane adapters benefit from the A54SX32-TQG176I's combination of 5V-tolerant I/O (4.75V-5.25V supply domain) and deterministic logic timing. The device commonly implements framing logic, TDM timeslot switching, alarm aggregation, and backplane handshaking around line interface ICs. Its 147 user I/Os handle wide parallel buses to framers and HDLC controllers, while 240 MHz system speed supports high-rate counters and state machines. Because the antifuse configuration is permanent, cards power up fully operational in microseconds - reducing boot time in rack equipment with strict availability targets and eliminating configuration PROMs that were a common field-failure item in older line-card designs.
Recommended
Test and Measurement Equipment
Bench instruments, automated test fixtures, and data-acquisition front ends use the A54SX32-TQG176I for timing generators, trigger logic, and bus-interface control. The sea-of-modules architecture provides uniform, predictable delays across the fabric, so timing-critical trigger chains and pulse generators behave repeatably unit-to-unit - a key requirement for calibration stability. With 1800 cells and 147 I/Os, the part absorbs address decoders, handshaking, counter arrays, and instrument-local buses in one device. The 5V I/O domain interfaces directly with legacy instrumentation logic families (5V TTL/CMOS), and instant-on antifuse configuration means the instrument is ready before the operator finishes pressing the power-on sequence.
Recommended
Legacy 5V Bus Interfacing
Many installed systems - factory controllers, medical instruments, avionics test rigs - still run 5V buses that modern 3.3V/1.8V FPGAs cannot tolerate without translators. The A54SX32-TQG176I operates its I/O from a 4.75V-5.25V supply, allowing direct connection to 5V TTL and 5V CMOS signals while its core runs on a standard 3.0V-3.6V rail. This dual-rail arrangement removes dozens of level-shifting components, improving reliability and board area. With 32K gates, the FPGA can simultaneously implement the bus interface and the peripheral logic that previously surrounded it (address decoding, wait-state generation, interrupt control), consolidating obsolete PAL/GAL devices during remanufacture of legacy systems.
Recommended
Medical Device Control Logic
Diagnostic and therapeutic equipment - infusion systems, analyzers, imaging subsystems - employs the A54SX32-TQG176I for safety-critical control sequencing where deterministic behavior and instant-on status are mandated. The antifuse fabric cannot be corrupted by single-event configuration upsets that affect SRAM FPGAs, and there is no configuration-load window during which outputs are undefined, simplifying safety analyses (the device is in its defined state whenever power is applied). The industrial -40C to +85C range covers storage and transport conditions beyond typical medical operating specs. Typical FPGA roles include motor-index sequencing, sensor-multiplexer control, watchdog and interlock voting logic, and host-interface buffering, with 147 user I/Os covering multi-board chassis communication.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-TQG176I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-TQ176I | A54SX32-TQG176 | A54SX16-TQG176I | A54SX16P-TQG176I |
|---|---|---|---|---|---|
| Package | 176-LQFP / TQFP (24x24 mm) | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) |
| System Gates | 48000 (32K gates) | 48000 (32K gates) | 48000 (32K gates) | 24000 (16K gates) | 24000 (16K gates) |
| Logic Cells | 1800 | 1800 | 1800 | 962 | 962 |
| User I/Os | 147 | 147 | 147 | [DATA_NEEDED] | [DATA_NEEDED] |
| Max System Frequency | 240 MHz | 240 MHz | 240 MHz | [DATA_NEEDED] | 278 MHz class (SX-A/16P family) |
| Supply Voltage | 3.0-3.6 V core / 4.75-5.25 V I/O | 3.0-3.6 V core / 4.75-5.25 V I/O | 3.0-3.6 V core / 4.75-5.25 V I/O | 3.0-3.6 V core / 4.75-5.25 V I/O | 2.5 V (SX16P family) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Process Technology | 0.35 um | 0.35 um | 0.35 um | 0.35 um | 0.25 um |
Key Differentiators
- Full industrial temperature rating with maximum capacity (vs A54SX32-TQG176)
- Double the logic resources of the same-package SX16 (vs A54SX16-TQG176I)
- 5V-tolerant I/O domain retained (vs A54SX16P-TQG176I)
- Non-volatile antifuse fabric vs SRAM competition (vs A54SX16P-TQG176I)
Design Notes
The A54SX32 is a one-time-programmable antifuse device: there is no rework path after programming. Run full functional and timing simulation in the Microchip Libero/Designer toolchain before submitting to programming, and verify I/O assignments against the 54SX datasheet pin tables. Reserve spare modules and I/O in your design plan, since a functional change requires a new physical device. Ordering code confusion between -TQ176 and -TQG176 and their temperature suffixes is a frequent procurement error - verify the full MPN on purchase orders.
The device uses two supply domains: a 3.0V-3.6V core rail and a 4.75V-5.25V I/O rail. Decouple each rail with at least 0.1uF ceramic capacitors per power pin plus bulk capacitance (10uF class) per domain. Because antifuse FPGAs have no configuration inrush current (unlike SRAM FPGAs), power sequencing between the two rails is relaxed, but never exceed the absolute maximum ratings during supply ramp. Estimated core current should be computed with the Microchip power calculator for your utilization; do not assume worst-case datasheet figures for typical thermal analysis.
The 176-pin TQFP (24x24 mm, 0.5 mm pitch leadframe) requires careful solder-paste stencil design: use slightly reduced stencil aperture (approximately 90%) on fine-pitch QFP pads to prevent bridging, and add thermal relief via the ground pours under the device. Place series termination resistors near outputs driving long or unterminated traces to control ringing at the 5V I/O edge rates. Follow the land-pattern dimensions in the 54SX family datasheet package section rather than third-party footprints, which occasionally omit lead-tip tolerance for TQFP packages.
Route dedicated clock inputs on the SX device's dedicated hard-wired clock pins identified in the datasheet pinout table; using general-purpose routing for clocks degrades skew and maximum-frequency performance significantly in the sea-of-modules architecture. Keep clock traces short and reference a solid ground plane. For the 147 user I/Os, group bus signals by bank and confirm per-bank current limits in the datasheet DC characteristics to avoid simultaneously switching output (SSO) noise on wide 5V buses.
Compliance Information
Compliance data was not present in the provided verified web data. Confirm RoHS/REACH status and lead-free classification with Microchip product pages or distributor certificates of conformance before ordering.
