A54SX32-2TQG144I - 32K Gate FPGA 113 I/O TQFP-144 | Microchip
MPN: A54SX32-2TQG144I β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62.1 | $621.00 |
| 100 | $55.8 | $5,580.00 |
| 500 | $50.2 | $25,100.00 |
| 1,000 | $45.6 | $45,600.00 |
Drop-in alternatives for A54SX32-2TQG144I 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:
A54SX32-2TQG144
β Drop-Inπ Reference alternative (not in catalog)
A54SX32-1TQG144
β Drop-Inβ In Stock
$48.1 / Unit
View Datasheet βA54SX32-TQG144I
β Drop-Inβ In Stock
$32.3 / Unit
View Datasheet βA54SX32A-2TQG144I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-TQG144A
β Drop-Inπ Reference alternative (not in catalog)
A54SX32-2TQG144I Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| Number of Gates | 32000 |
| Logic Cells / Modules | 1800 |
| Number of I/O | 113 |
| Maximum System Performance | 320 MHz |
| Process Technology | 0.35 um antifuse |
| Supply Voltage | 3.3 V / 5 V |
| Programming Type | One-Time Programmable (antifuse) |
| Speed Grade | -2 |
| Temperature Grade | Industrial (-40C to +85C) |
| Package | 144-Pin TQFP (TQG144) |
| Mounting Type | Surface Mount |
| Architecture | Sea-of-modules |
| RoHS Status | RoHS Compliant |
| Lead Free Status | Lead Free |
| Operating Temperature | -40C to +85C |
A54SX32-2TQG144I 144-pin tqfp (tqg144) Pin Configuration Guide
Complete pinout information for A54SX32-2TQG144I (144-pin tqfp (tqg144) 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 A54SX32-2TQG144I.
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
A54SX32-2TQG144I is suitable for 6 applications: Industrial Control and Automation, Military and Aerospace System Upgrades, Communications and Networking Line Cards, Test and Measurement Equipment, Medical Equipment Logic Integration, Battery-Powered Portable Instruments.
Industrial Control and Automation
The A54SX32-2TQG144I fits industrial control systems because its 5V-tolerant I/O interfaces directly with legacy PLC backplanes and TTL sensors without level shifters, while the 113 user I/O consolidate multiple 74-series glue-logic devices into one chip. Its antifuse fabric powers up instantly configured, eliminating the configuration-delay and configuration-corruption risks of SRAM FPGAs in factory equipment that must resume operation after power cycles. In motor sequencing, interlock, and I/O-scanning logic, the -2 speed grade's 320 MHz capability far exceeds the tens-of-MHz requirements, giving large timing margin across the -40C to +85C industrial range. The trade-off is one-time programmability: designs must be fully verified before programming, making this part best for stable, mature control logic.
Recommended
Military and Aerospace System Upgrades
Defense electronics sustainment programs choose the A54SX32-2TQG144I because its antifuse configuration cannot be read back, providing inherent design security, and its instant-on behavior suits avionics boxes with strict power-up timing budgets. The industrial -40C to +85C rating and 0.35um process tolerate radiation effects better than deep-submicron SRAM devices for non-critical flight logic. With 32K gates and 1,800 modules, it integrates board-level glue logic, bus interfaces, and address decoding previously built from military-standard 54LS/54F devices, cutting board area and power. The 5V-tolerant I/O is essential when retrofitting into legacy 5V military backplanes. For radiation-critical paths, Microchip's RTAX series (e.g., RTAX2000S) is the recommended migration target, though it is not pin-compatible.
Recommended
Communications and Networking Line Cards
In telecom and datacom line cards, the A54SX32-2TQG144I implements backplane interfaces, framing logic, and protocol glue logic where deterministic timing matters. The sea-of-modules architecture delivers consistent, low-skew routing that simplifies meeting setup/hold budgets on synchronous backplane buses, and the -2 speed grade's 320 MHz toggle capability supports high-speed counters and serial state machines well above typical backplane clock rates. Its 113 I/O cover wide parallel buses within a compact 144-pin TQFP, easing routing on dense line cards. The antifuse fabric adds no configuration-load latency at card hot-swap, and its low static power reduces shelf power draw across large chassis deployments. One-time programming suits stable, qualification-locked telecom designs.
Recommended
Test and Measurement Equipment
Bench and automated test instruments use the A54SX32-2TQG144I for timing generators, trigger logic, and bus interfaces (GPIB/VME-style parallel handshakes). The 32K-gate / 1,800-module capacity handles event counters, edge-detection engines, and multi-channel pattern generators, while the -2 speed grade supports state machines clocked well into the hundreds of MHz for precise time-interval measurement. Instant-on antifuse configuration means the instrument is measuring immediately after power-up with no FPGA load sequence, and the fabric cannot be disturbed by soft errors that would reset an SRAM device mid-measurement. The 5V-tolerant I/O directly connects to legacy instrument backplanes and DUT interfaces rated at 5V TTL/CMOS levels.
Recommended
Medical Equipment Logic Integration
Patient-adjacent medical devices benefit from the A54SX32-2TQG144I's deterministic, instantly-configured logic that interfaces analog front ends to processors over parallel buses. Its 113 I/O integrate encoder decoding, safety interlock monitoring, and display interface glue logic in one 144-pin TQFP, simplifying IEC 60601 design reviews by replacing many discrete devices with a single, fully-defined antifuse fabric whose bitstream cannot be altered in the field - an asset for configuration-management and cybersecurity audits. The industrial temperature range covers autoclave-adjacent and unconditioned-clinic environments, and low static power suits battery-backup scenarios. The one-time-programmable nature enforces design freeze, which quality systems often treat as an advantage rather than a limitation.
Recommended
Battery-Powered Portable Instruments
Portable field instruments choose the A54SX32-2TQG144I where instant-on logic and low standby power extend battery life. Antifuse FPGAs draw no configuration-storage power and the SX family's low static current means the logic fabric can remain partially active in standby polling sensors and buttons. The 3.3V core operation matches single-cell Li-ion-derived rails, and 5V-tolerant inputs protect against transients when users hot-connect external probes. The compact 144-pin TQFP (20x20 mm class) fits handheld enclosures while providing 113 I/O for keypads, displays, and sensor arrays. Designers should note the 0.35um process is not optimized for ultimate low power - aggressive clock gating in the RTL is recommended for battery-sensitive designs.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-2TQG144I β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-2TQG144 | A54SX32-1TQG144 | A54SX32-TQG144I | A54SX32A-2TQG144I | A54SX32A-TQG144A |
|---|---|---|---|---|---|---|
| Package | TQFP-144 (TQG144) | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Gate Count | 32,000 gates (1,800 cells) | 32,000 gates | 32,000 gates | 32,000 gates | 32,000 gates | 32,000 gates |
| User I/O | 113 | 113 | 113 | 113 | 113 | 113 |
| Speed Grade / Max Performance | -2 / up to 320 MHz | -2 / up to 320 MHz | -1 / lower timing | -1 / lower timing | -2 / SX-A improved timing | standard / SX-A improved timing |
| Temperature Range | -40C to +85C (Industrial, I suffix) | 0C to +70C (Commercial) | [DATA_NEEDED] | -40C to +85C (Industrial) | -40C to +85C (Industrial) | [DATA_NEEDED] |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Programming Technology | Antifuse, one-time programmable | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
Key Differentiators
- Fastest speed grade in the SX family (vs A54SX32-TQG144I)
- Industrial temperature rating (vs A54SX32-2TQG144)
- Original SX die with mature, qualification-stable timing (vs A54SX32A-2TQG144I)
Design Notes
Estimated: the A54SX32-2TQG144I operates from a 3.3V core/IO rail with 5V-tolerant inputs. Power dissipation in antifuse FPGAs is dominated by dynamic switching and depends on toggle rates, so estimate using the Microchip Libero power calculator with your post-layout netlist rather than the datasheet static figure. Decouple VCC and GND with at least 0.1uF ceramic per supply pin pair plus bulk capacitance near the TQFP-144. Do not leave unused I/O floating - configure them as inputs with pull or grounded outputs to prevent shoot-through currents in dual-voltage I/O rings.
The 144-pin TQFP has a 0.5 mm lead pitch; specify a 0.25 mm solder-mask-defined land pattern per the mechanical drawing in the Microchip 54SX datasheet, and use a no-clean or water-wash solder profile compatible with the package moisture sensitivity. Route the programming pins away from noisy switching nodes since they are only exercised once but must remain clean during programming. Expose a solid ground plane under the package center to reduce ground bounce across the 113 I/O, and stagger I/O edge rates using SX I/O clamp/attribute settings to control crosstalk on 5V-tolerant buses.
The most common pitfall with the A54SX32-2TQG144I is treating it like a reprogrammable FPGA: antifuse devices are one-time-programmable, so any RTL change after programming requires a new physical device. Complete gate-level simulation and static timing analysis at worst-case industrial conditions (-40C) before committing parts. Second, when substituting the SX-A family (A54SX32A), do not assume identical timing - the revised die has different delay tables and the design must be recompiled and re-verified. Finally, confirm temperature grade on the marking; the commercial A54SX32-2TQG144 is not rated below 0C.
Compliance Information
RoHS Compliant and Lead Free per digichip datasheet summary data. REACH and conflict-minerals status not stated in provided data.
