A54SX16P-2TQG144I - SX FPGA 16K Gates 113 I/O | Microsemi
MPN: A54SX16P-2TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.8 | $348.00 |
| 100 | $31.2 | $3,120.00 |
| 500 | $28.6 | $14,300.00 |
| 1,000 | $26.1 | $26,100.00 |
Drop-in alternatives for A54SX16P-2TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-TQG144I
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View Datasheet →A54SX16P-2TQG144I Maximum Ratings & Electrical Characteristics
| Manufacturer Series | SX (Actel/Microsemi 54SX Family) |
| System Gates | 24,000 gates (16K gates / 924 cells per FPGAkey listing) |
| Programmable I/O | 113 |
| Maximum Frequency | 320 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) |
| Speed Grade | -2 |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 144-TQFP (20 x 20 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Logic Array Blocks | 1452 (per Microchip USA listing) |
A54SX16P-2TQG144I 144-tqfp (20 x 20 mm) Pin Configuration Guide
Complete pinout information for A54SX16P-2TQG144I (144-tqfp (20 x 20 mm) 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 A54SX16P-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
A54SX16P-2TQG144I is suitable for 6 applications: Industrial Control and Automation Logic, Legacy 5V System Integration, Aerospace and Defense Subsystems, Telecommunications Line Cards, Test and Measurement Instrumentation, Secure and Anti-Tamper Logic.
Industrial Control and Automation Logic
The A54SX16P-2TQG144I fits industrial control because its -I industrial rating covers -40C to +85C and its 113 user I/O with 5V-tolerant signaling interfaces directly with legacy PLC I/O cards, sensors, and motor-drive enable lines. The antifuse fabric boots instantly with no configuration device, an advantage on production lines where power cycling is frequent. Used as centralized glue logic between microcontrollers, ADCs, and relay drivers, the SX16's 320 MHz toggle capability comfortably handles state machines and PWM generation; deterministic antifuse routing also eliminates the configuration-upset risk of SRAM FPGAs in electrically noisy factory environments.
Recommended
Legacy 5V System Integration
Many installed industrial, telecom, and test systems still run 5V TTL signaling. The A54SX16P-2TQG144I is one of the few remaining FPGA options with a native 4.75V-5.25V I/O rail, letting it connect directly to 5V buses, backplanes, and older ASICs without level-shifters. Its antifuse configuration also provides the permanence expected in sealed legacy equipment. Consolidating dozens of 74-series TTL devices into one SX16 reduces board area and failure points; the 0.35 um process and dual-rail design maintain timing margins when driven by 5V clocks, making it a drop-in consolidation vehicle for sustaining-engineering programs.
Recommended
Aerospace and Defense Subsystems
The Actel SX family has a long heritage in defense electronics because antifuse FPGAs are inherently single-event-upset resistant at the configuration level - the programmed fabric cannot flip states. The A54SX16P-2TQG144I suits non-rad-hard defense and avionics auxiliary logic, with the -M temperature-grade A54SX32-TQG144M available for extended-range programs. The 320 MHz performance supports fast counters, bus arbitration, and interface bridging. For programs already qualified on Actel silicon, keeping the SX16P avoids costly requalification; its OTP nature also supports anti-tamper design requirements common in secure subsystems.
Recommended
Telecommunications Line Cards
Telecom line cards often combine legacy 5V framers and line interface ICs with newer 3.3V control logic, exactly matching the A54SX16P-2TQG144I's dual-rail scheme: 3.3V core with 5V-tolerant I/O. The 113 I/O pins terminate E1/T1 framing signals, backplane control lines, and LED status drivers on one device, replacing multi-chip glue logic. Instant-on antifuse startup means the line card is active as soon as power is applied - important for hot-swappable and redundant-card architectures - while the industrial temperature rating supports outdoor plant equipment.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment benefits from the A54SX16P-2TQG144I's deterministic antifuse timing: once programmed, propagation delays are fixed, which simplifies calibration of timing-critical measurement paths such as trigger fans-out, frequency counters, and bus analyzers. The 320 MHz toggle rate supports high-resolution time measurement, and 5V-tolerant I/O connects to legacy GPIB and TTL test fixtures without translation. Because the configuration is permanent, instruments power up identically every cycle - a prerequisite for repeatable, traceable measurements in production test environments.
Recommended
Secure and Anti-Tamper Logic
The A54SX16P-2TQG144I's one-time-programmable antifuse fabric contains no readable bitstream, so the implemented design cannot be extracted the way SRAM FPGA configuration files can. This makes the SX16P a natural choice for secure bootstraps, key-management glue logic, and design-ip protection in commercial-off-the-shelf equipment. The 113 I/O can implement bus multiplexing between a secure processor and external memories with no external configuration flash to probe. Industrial -40C to +85C rating keeps it deployable in uncontrolled environments such as payment terminals and access-control panels.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-2TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-TQG144I | A54SX32-1TQG144I | A54SX32-2TQG144I | A54SX32-TQG144M |
|---|---|---|---|---|---|
| Package | 144-TQFP (20x20 mm) | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same | 144-TQFP (20x20 mm) - same |
| Brand | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) |
| System Gates | 16K-24K gates (924 cells) | 32K gates | 32K gates | 32K gates | 32K gates |
| Speed Grade | -2 | standard | -1 (slower) | -2 (matching) | standard (military) |
| Supply Voltage (Core / I-O) | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V | 3.0-3.6 V / 4.75-5.25 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | Military grade (extended) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Max Frequency | 320 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Design Port Required | N/A (baseline) | Yes - recompile for 32K die | Yes - recompile + timing review | Yes - recompile for 32K die | Yes - recompile + mil-temp qualification |
Key Differentiators
- Native 5V-tolerant I/O in an FPGA (vs A54SX32-TQG144I)
- One-time-programmable security and instant-on boot (vs SRAM FPGAs (e.g., modern Lattice/Microchip PolarFire families))
- Lower power than next-size SX device (vs A54SX32-TQG144I)
- Guaranteed industrial temperature operation (vs A54SX32-TQG144 (commercial))
Design Notes
The A54SX16P-2TQG144I requires two supply rails: 3.3V (3.0-3.6V) for the core and 5.0V (4.75-5.25V) for the I/O ring. Decouple each rail with at least 10 uF bulk plus 0.1 uF ceramic per power pin, placed within 5 mm of the device. Sequence the 3.3V core before or together with the 5V I/O rail; consult the 54SX datasheet power-up section for the exact recommended order to avoid I/O latch-up during startup.
Antifuse FPGAs are one-time programmable - a programming error or an unverified design wastes the device permanently. Complete HDL simulation and, where possible, prototype on a lower-cost SX device before programming the A54SX16P-2TQG144I. Also confirm speed-file timing with the -2 grade in Microsemi Designer rather than assuming worst-case numbers; routing congestion on 924-cell die can change path delays between compiles.
The 144-TQFP (20x20 mm, 0.5 mm pitch) requires fine-pitch layout practice: use 0.2-0.25 mm trace width with solder-mask-defined pads, and add thermal relief vias to ground plane near the die center. Inspect with 10x magnification or X-ray after reflow to catch bridging on the 0.5 mm pitch perimeter. Keep 5V-tolerant I/O stubs short on high-speed paths to limit reflections at 3.3V-referenced input thresholds.
When driving 5V TTL signals, the SX16P I/O meets legacy VIH/VIL levels directly, but slew-controlled outputs should be enabled on heavily loaded buses to reduce ground bounce. Estimate: at 8 simultaneous switching outputs with 10 pF loads and ~2 ns edges, transient ground current can approach 160 mA; a solid ground return and 0.01 uF per-I/O-bank bypassing keeps ground bounce below the 0.8 V VIL threshold.
Compliance Information
Compliance status not stated in the retrieved web data; consult the Microchip product page or distributor compliance documents for the A54SX16P-2TQG144I RoHS/REACH certificate.
