A54SX16P-1TQG144 - SX FPGA 16K Gates 144-TQFP | Microsemi
MPN: A54SX16P-1TQG144 ✓ Active| Qty | Unit Price | Extended |
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Drop-in alternatives for A54SX16P-1TQG144 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-1TQG144I
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View Datasheet →A54SX16P-2TQG144
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View Datasheet →A54SX16P-1TQG144 Maximum Ratings & Electrical Characteristics
| Family | SX (Antifuse FPGA) |
| Logic Gates | 16,000 (typical) |
| Logic Cells | 924 |
| Logic Array Blocks (Modules) | 1452 |
| User I/O | 113 |
| Maximum Toggle Frequency | 280 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core) | 3 V to 3.6 V (3.3 V nominal) |
| Supply Voltage (I/O) | 4.75 V to 5.25 V (5 V nominal) |
| Configuration Type | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Operating Temperature | 0C to +70C |
| Package | 144-TQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Lead free / RoHS Compliant |
| Packaging | Tray |
A54SX16P-1TQG144 144-tqfp (20x20 mm) Pin Configuration Guide
Complete pinout information for A54SX16P-1TQG144 (144-tqfp (20x20 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-1TQG144.
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-1TQG144 is suitable for 6 applications: Industrial Control and Automation, 5V Legacy Board Redesign and Obsolescence Management, Communication Interface Bridging, Test and Measurement Instrumentation, Aerospace and Defense Ground Equipment, Embedded System Glue Logic and Co-Processor.
Industrial Control and Automation
The A54SX16P-1TQG144 fits industrial control and factory automation boards that must bridge modern 3.3V controllers with legacy 5V sensors, relays, and PLC I/O. Its dual-rail architecture (3V-3.6V core, 4.75V-5.25V I/O) allows the 113 user I/O to directly drive or receive 5V TTL/CMOS signals without external level shifters, reducing BOM cost and failure points. The 280 MHz toggle capability handles encoder decoding, PWM generation, and interlock state machines with ample margin, while antifuse configuration means the logic is active immediately at power-up with no boot time - important for safety interlocks. In a typical use, the FPGA sits between a 5V backplane and a 3.3V microcontroller, implementing bus arbitration, watchdog timers, and discrete I/O expansion in the 144-TQFP 20x20 mm footprint.
Recommended
5V Legacy Board Redesign and Obsolescence Management
When maintaining discontinued 5V-era boards, the A54SX16P-1TQG144 is a primary choice because the P-suffix SX family was explicitly engineered for 5V operation, unlike nearly all modern FPGAs limited to 3.3V or lower I/O. The device can directly replace 22V10-class PLDs, TTL glue logic, and small ASICs on legacy PCBs, consolidating dozens of discrete chips into one 144-TQFP package. Its antifuse technology eliminates the configuration PROM that many legacy architectures lack space for, and the 924 logic cells / 16K gates cover typical glue-logic consolidation with headroom. Designers using Microsemi Libero or the legacy Actel Designer toolchain can port existing netlists to speed-grade or temperature-grade variants (A54SX16P-2TQG144, A54SX16P-1TQG144I) with zero PCB changes, which is essential for aerospace ground equipment and medical device service lifecycles.
Recommended
Communication Interface Bridging
The A54SX16P-1TQG144 serves as a protocol and interface bridge in telecom and datacom line cards, converting between legacy 5V backplane signaling (TTL, 5V CMOS, parallel buses) and 3.3V control processors. With 113 user I/O in the 144-TQFP, it has enough pins for a full 32-bit parallel bus plus control signals, addressing, and status lines. The 280 MHz maximum toggle rate comfortably covers timing for interfaces up to tens of MHz with realistic fan-out derating. Antifuse programming guarantees the bridge is functional the moment power is applied, so link-recovery logic and hot-swap control do not depend on a configuration load cycle. For designs needing more density, the pin-compatible A54SX32-TQG144 family doubles capacity without board respin.
Recommended
Test and Measurement Instrumentation
Bench instruments, ATE fixtures, and rack modules frequently combine new 3.3V digitizer electronics with 5V stimulus and switching hardware; the A54SX16P-1TQG144 acts as the digital sequencer across that voltage boundary. Its 16K gates implement trigger state machines, timebase counters, and handshaking logic, while the 280 MHz toggle spec and -1 speed grade support high-resolution timing for stimulus generation. Antifuse configuration is valued in test equipment because the instrument is fully operational at power-on and immune to configuration corruption from noisy environments. The commercial 0C to +70C rating suits laboratory conditions; for chassis that must survive -40C, specify the A54SX16P-1TQG144I. The 144-TQFP 20x20 mm package simplifies rework in low-volume instrument builds.
Recommended
Aerospace and Defense Ground Equipment
Antifuse FPGAs are a long-standing choice in defense ground systems, radar checkout racks, and missile test sets because their configuration is immune to SEU-induced bit flips and power glitches. The A54SX16P-1TQG144 provides 16K gates of reliable glue logic and bus control with no configuration device to fail, and the M-suffix A54SX32-TQG144M offers an upgrade path with military screening in the identical 144-TQFP footprint. The 5V I/O compatibility matters for interfacing with MIL-STD-era 5V subsystems and legacy test sets. Designers should use the Microsemi/Microchip Libero SoC toolchain with the SX library, verify timing at the -1 corner, and lock the netlist before programming, since antifuse devices cannot be reworked after burn.
Recommended
Embedded System Glue Logic and Co-Processor
In embedded controllers pairing a CPU with memory-mapped peripherals, the A54SX16P-1TQG144 implements address decoding, bus sizing, interrupt aggregation, and simple hardware accelerators. Nine hundred twenty-four logic cells accommodate FIFOs, UARTs, chip-select logic, and PWM blocks that offload the host processor. The dual 3.3V/5V rail design lets the FPGA sit between a modern low-voltage processor and 5V flash, displays, or actuators without translator ICs. Because the device is one-time programmable, firmware teams treat the FPGA image as hardware; any logic change needs new silicon, so reserve some of the 16K gates for contingencies or select the pin-compatible A54SX32-1TQG144 for 2x margin. Power-up operation is immediate, simplifying reset architecture.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-1TQG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-1TQG144I | A54SX16P-2TQG144 | A54SX32-1TQG144 | 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 | Microsemi | Microsemi | Microsemi |
| Logic Gates | 16,000 | 16,000 | 16,000 | 32,000 | 32,000 |
| User I/O | 113 | 113 | 113 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -1 | -1 | -2 (faster) | -1 | standard/M grade |
| Operating Temperature | 0C to +70C | -40C to +85C | 0C to +70C | 0C to +70C | M grade (extended screening) |
| Supply Voltage | 3V-3.6V core, 4.75V-5.25V I/O | 3V-3.6V core, 4.75V-5.25V I/O | 3V-3.6V core, 4.75V-5.25V I/O | [DATA_NEEDED] | [DATA_NEEDED] |
| Configuration | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) |
Key Differentiators
- True 5V-tolerant I/O architecture (vs A54SX16 (non-P variants))
- Industrial temperature drop-in available (vs A54SX16P-1TQG144I)
- No configuration PROM required (vs SRAM FPGAs (cross-brand))
Design Notes
The A54SX16P-1TQG144 requires two supply rails: 3V-3.6V for core and 4.75V-5.25V for I/O. Decouple each rail with at least 0.1 uF ceramic per VCC pin plus bulk 10 uF near the device. Verify rail sequencing against the SX datasheet power-up specification; the antifuse device is immediately live once powered, so input signals arriving before VIO stabilizes can cause unexpected I/O states on 5V-driven nets.
Antifuse programming is permanent - there is no rework path after burning. Complete simulation, timing closure at the -1 corner, and a design review before programming production devices. Also remember that the 5V I/O tolerance is a feature of the P-suffix die only: never substitute a non-P SX16 part on a 5V board, as standard SX-A silicon is 3.3V I/O and will be overstressed.
With 113 user I/O switching at 5V levels, ground bounce is the dominant signal-integrity risk in the 144-TQFP. Maximize GND pin usage, assign high-fan-out clocks away from ground clusters, and keep 5V switching edges controlled by using the SX I/O slew options where timing permits. Series 22-33 ohm resistors on long 5V bus lines reduce ringing and EMI without materially affecting 280 MHz-class internal timing.
Compliance Information
Distributor data (xsourcepart) lists Lead free / RoHS Compliant for A54SX16P-1TQG144. REACH, halogen-free, and conflict-minerals status not stated in provided data.
