A54SX08-1TQG144 - 8K Gate SX FPGA, 113 I/O, TQFP-144 | Microsemi
MPN: A54SX08-1TQG144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $41 | $410.00 |
| 100 | $37.5 | $3,750.00 |
| 500 | $34.2 | $17,100.00 |
| 1,000 | $31 | $31,000.00 |
Drop-in alternatives for A54SX08-1TQG144 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-TQG144I
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View Datasheet →A54SX08-TQ144
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View Datasheet →A54SX32-TQG144
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View Datasheet →A54SX32-TQG144I
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View Datasheet →A54SX32-1TQG144
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View Datasheet →A54SX08-1TQG144 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 8000 gates |
| Logic Cells / CLBs | 768 |
| Logic Modules (Cells) | 512 |
| User I/O | 113 |
| Maximum System Frequency | 280 MHz |
| Speed Grade | -1 |
| Supply Voltage | 3.3 V / 5 V |
| Process Technology | 0.35 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Propagation Delay | 800 ps |
| Package | 144-LQFP / TQFP, 20x20 mm |
| Pin Pitch | 0.5 mm |
| Mounting Type | Surface Mount |
A54SX08-1TQG144 144-lqfp / tqfp, 20x20 mm Pin Configuration Guide
Complete pinout information for A54SX08-1TQG144 (144-lqfp / 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 A54SX08-1TQG144.
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
A54SX08-1TQG144 is suitable for 6 applications: Industrial Control and Automation, Bus Bridge and Interface Logic, High-Speed State Machines, Obsolescence Redesign / ASIC Replacement, Communications Line Cards, Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX08-1TQG144 fits industrial control and factory automation boards that need deterministic, instant-on logic without configuration boot delays. Its antifuse fabric powers up with the configured design already active - critical for safety interlocks and machine sequencing where a 100-500 ms SRAM-FPGA configuration load is unacceptable. The 3.3V core with 5V-compatible I/O bridges legacy PLC signal levels and 24V-domain buffer circuitry, and the 113 user I/O absorb parallel fieldbus, encoder, and I/O-module interfaces in the 20x20 mm TQFP footprint.
Recommended
Bus Bridge and Interface Logic
As a bus bridge, the A54SX08-1TQG144 consolidates address decoding, bus sizing, wait-state generation, and protocol translation between legacy 5V TTL buses and modern 3.3V peripherals. The 280 MHz-class SX fabric easily meets PCI-era and microprocessor-interface timing, and the 800 ps-class propagation paths support fast combinatorial decode. Because the design is one-time programmable, the bridge logic is fixed and audit-friendly - an advantage in certified industrial equipment where post-deployment logic changes must be controlled.
Recommended
High-Speed State Machines
The SX family's register-rich sea-of-modules architecture makes the A54SX08-1TQG144 well suited to fast finite-state machines: each logic module pairs a register with routing that supports 280 MHz-class toggle rates in the -1 grade. Typical uses include burst sequencers, memory controllers, and communications framing engines. The 768 logic cells provide enough capacity for multi-process state machines plus counters and comparators, while the antifuse interconnect delivers consistent, fixed timing that simplifies static timing sign-off across temperature and voltage corners.
Recommended
Obsolescence Redesign / ASIC Replacement
The A54SX08-1TQG144 is a proven target for replacing discontinued PAL/GAL/PLD clusters and small gate-array ASICs. Its 0.35 um antifuse technology replicates the fixed-timing, non-volatile behavior of the devices it replaces, and the 144-TQFP surface-mount footprint suits legacy board respins. When a long-lifecycle industrial or defense-adjacent program must keep a PCB in production, re-implementing legacy glue logic in the A54SX08 preserves timing behavior while consolidating dozens of SSI/MSI parts into one certified device.
Recommended
Communications Line Cards
In telecom and datacom line cards, the A54SX08-1TQG144 handles framing, clock-domain crossing, LED/alarms, and backplane interface logic. The 113 user I/O support dense parallel signaling across the 0.5 mm pitch TQFP, and 5V-tolerant inputs accept legacy backplane levels. Antifuse configuration contributes to low static power consumption, reducing line-card thermal budgets, and instant-on behavior ensures the card presents its management interface as soon as power is applied - useful in redundant, hot-swappable telecom architectures.
Recommended
Medical Instrumentation Control Logic
Benchtop medical devices benefit from the A54SX08-1TQG144's deterministic power-up: front-end acquisition sequencing, sensor interface timing, and user-interface scanning run immediately without a configuration loader. Fixed antifuse timing supports repeatable measurement chains, and the 3.3V/5V supply flexibility simplifies mixed-voltage analog front-end integration. The one-time-programmable nature also supports configuration integrity requirements common in regulated equipment, since deployed logic cannot be silently altered in the field.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1TQG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-TQG144I | A54SX08-TQ144 | A54SX32-TQG144 | A54SX32-1TQG144 |
|---|---|---|---|---|---|
| Package | 144-TQFP (20x20 mm, 0.5 mm pitch) | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) |
| System Gates | 8,000 | 8,000 | 8,000 | 32,000 | 32,000 |
| Logic Cells | 768 | 768 | 768 | [DATA_NEEDED] | [DATA_NEEDED] |
| User I/O | 113 | 113 | 113 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -1 | standard (I temp grade) | standard | standard | -1 |
| 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 |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Temperature Range | Commercial (per ordering code) | Industrial | Commercial | Commercial | Commercial |
Key Differentiators
- Instant-on, no external configuration memory (vs SRAM FPGAs (Xilinx/Lattice equivalents))
- 5V-tolerant I/O in a modern FPGA (vs A54SX32-TQG144)
- Trade-off: one-time programmable (vs SRAM-based FPGAs)
Design Notes
The A54SX08 is one-time programmable: once the antifuses are blown, the device cannot be erased or reprogrammed. Complete functional simulation and timing closure in the Microchip (Actel/Microsemi) design software, and verify the pin assignment file against the 144-TQFP pinout before submitting to programming. Budget one sacrificial device for programming-flow validation on new designs; a pin-mapping error discovered after programming wastes the part permanently.
The SX family operates from 3.3V/5V supply conditions per the family datasheet. Decouple each supply pin of the TQFP-144 with 0.1 uF ceramic capacitors placed within a few millimeters of the pin, and provide bulk 10 uF capacitance near the device. Because antifuse FPGAs draw little static current, dynamic switching activity dominates consumption; run the vendor power estimator with your utilization numbers before finalizing the supply rails.
The 144-TQFP footprint uses 0.5 mm lead pitch with leads on all four sides. Use a standard TQFP-144 land pattern per the manufacturer package drawing, keep trace widths adequate for 5V-tolerant I/O drive, and route high-speed state-machine or bus signals with short, direct traces to reduce stubs. Expose adequate thermal relief via ground vias around the die-attached center region for heat spreading, though dissipation at 8K-gate densities is modest.
Compliance Information
Compliance data not stated in verified web data for this ordering code. Request RoHS/REACH certificates from Microchip or XAIPART before orders destined for regulated markets.
