A54SX08-1TQG144I - 8K-Gate Antifuse FPGA, 280MHz | Microsemi
MPN: A54SX08-1TQG144I ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.2 | $722.00 |
| 100 | $66.8 | $6,680.00 |
| 500 | $61.4 | $30,700.00 |
| 1,000 | $57.9 | $57,900.00 |
Drop-in alternatives for A54SX08-1TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-2TQG144I
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$225.48 / Unit
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$31 / Unit
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View Datasheet →A54SX08-1TQG144I Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 8000 (12,000 per Microchip USA listing) |
| Logic Cells | 512 |
| Maximum Toggle Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Core Supply Voltage | 3 V to 3.6 V (3.3 V nominal) |
| I/O Supply Voltage | 4.75 V to 5.25 V (5 V nominal) |
| User I/O | 113 |
| Package | 144-TQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Speed Grade | -1 |
| Operating Temperature | -40C to +85C (industrial) |
| Programmability | Antifuse, one-time programmable (OTP) |
| Configuration Memory | Non-volatile (no external boot flash required) |
| Packaging | Tray |
A54SX08-1TQG144I 144-tqfp (20x20 mm) Pin Configuration Guide
Complete pinout information for A54SX08-1TQG144I (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 A54SX08-1TQG144I.
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
A54SX08-1TQG144I is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Subsystems, Mixed 3.3V/5V System Glue Logic, Telecommunications Backplanes, Secure Embedded Controllers, Instant-On Power and Sequencing Logic.
Industrial Control and Automation
The A54SX08-1TQG144I fits industrial controllers because its 113 user I/O support 5V TTL signaling (4.75V-5.25V I/O rail) directly, interfacing with legacy PLC I/O modules and sensor chains without level shifters. The -40C to +85C industrial rating covers unconditioned factory-floor enclosures, and the antifuse fabric's instant-on, non-volatile configuration removes boot-time delay at power-up - critical in safety interlocks. With 8,000 gates and 280 MHz capability, it consolidates counters, state machines, and glue logic that would otherwise need multiple 74-series devices. Because it is one-time programmable, lock the design after timing closure in the Actel Designer flow; field upgrades require a socketed or reworked part, so validate temperature and supply margins (3V-3.6V core) across the full industrial range before committing.
Recommended
Aerospace and Defense Subsystems
Antifuse FPGAs are historically favored in defense electronics because the programmed configuration cannot be read out, and the A54SX08-1TQG144I inherits that property: no external bitstream flash exists to intercept or corrupt. Its instant-on behavior suits power-critical munitions, avionics health monitors, and communications equipment that must be operational within microseconds of power application. The 0.35 um CMOS process offers inherent tolerance to terrestrial radiation effects compared to finer SRAM processes for non-critical orbit missions, though the standard-grade part is not radiation-characterized - use RTAX family parts for true space programs. Within 8,000 usable gates, implement bus interfaces, encoded telemetry framing, or glue logic between processors. Design with generous timing margin using the -1 speed grade limits, and budget the one-time programming as a final, irreversible integration step.
Recommended
Mixed 3.3V/5V System Glue Logic
The dual-rail architecture of the A54SX08-1TQG144I - 3.3V core with 5.0V I/O supply - makes it a natural bridge between modern 3.3V processors and legacy 5V TTL backplanes, memory banks, and peripherals. Its 113 I/O can fan out addresses, chip selects, and interrupts bidirectionally without external bus transceivers, cutting board area and propagation delay. At 280 MHz toggle capability, the -1 speed grade easily handles bus arbitration and address decoding in 33 MHz PCI-class or VME-class systems. Because the device is non-volatile, decode logic is active the instant power is applied, avoiding bus contention windows during SRAM-FPGA configuration. Route 5V I/O banks to their dedicated 5V supply pins and verify the 3V-3.6V core rail sequencing per the SX datasheet before programming.
Recommended
Telecommunications Backplanes
In telecom line cards and backplanes, the A54SX08-1TQG144I implements framing, alarm collection, and LED/status multiplexing with deterministic, configuration-free startup. The 144-TQFP's 113 I/O absorb dense status and control signals, and the 5V-tolerant I/O rail matches NEBS-era 5V signaling common in installed infrastructure. The antifuse fabric contributes near-zero standby power, an advantage in always-on equipment where SRAM FPGA quiescent configuration current accumulates across hundreds of cards in a central office. At 8,000 gates, the device handles HDLC bit-manipulation helpers, crosspoint control, and clock distribution glue at line rates well within its 280 MHz capability. Because telecom cards operate in controlled 0C to +70C environments, the commercial A54SX08-1TQG144 can be specified to reduce cost while remaining pin-compatible.
Recommended
Secure Embedded Controllers
Applications that must resist configuration cloning benefit from the A54SX08-1TQG144I's readback-free antifuse architecture: once programmed, the design exists only as physical antifuse states with no JTAG or serial path to dump the bitstream. Use it for secure key-management glue, authentication front-ends, and tamper-responsive state machines where SRAM FPGAs (whose bitstreams live in external flash) are unacceptable. The industrial temperature grade and 3.3V/5V dual rails allow deployment in payment terminals, access-control panels, and meters that mix legacy and modern voltage domains. Budget 512 logic cells for the security kernel and keep critical timing paths well under the 280 MHz envelope to preserve margins. Note that OTP means security fixes require hardware rework, so prototype exhaustively on the -2 speed-grade variant before committing production parts.
Recommended
Instant-On Power and Sequencing Logic
Power-supply controllers and hot-swap managers need logic that is live the instant rails appear - precisely the strength of the A54SX08-1TQG144I's antifuse fabric, which requires no configuration latency. Implement power-good monitoring, reset trees, rail-sequencing state machines, and brown-out latch logic across the 113 I/O, interfacing directly with 5V supervisor outputs. The industrial -40C to +85C rating supports outdoor power plants and telecom rectifier shelves. Standby draw of the antifuse array is minimal, so housekeeping logic does not erode efficiency targets in always-standby systems. Keep sequential paths comfortably below the 280 MHz -1 grade figure since supervisor interfaces run at kilohertz rates anyway; the margin buys immunity to voltage and temperature corners. Verify core (3V-3.6V) rail sequencing against the SX datasheet power-up specification before production programming.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-2TQG144I | A54SX08-1TQG144 | A54SX08-2TQG144 | A54SX08-TQG144I |
|---|---|---|---|---|---|
| Package | 144-TQFP (20x20 mm) | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| Logic Cells | 512 | 512 | 512 | 512 | 512 |
| User I/O | 113 | 113 | 113 | 113 | 113 |
| Speed Grade / Toggle Rate | -1, 280 MHz | -2, faster than -1 | -1, 280 MHz | -2, faster than -1 | base, slower than -1 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C |
| Supply Voltage | 3V~3.6V core, 4.75V~5.25V I/O | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V | 3V~3.6V, 4.75V~5.25V |
Key Differentiators
- Industrial temperature grade (vs A54SX08-1TQG144)
- Higher timing margin available via -2 die speed grade (vs A54SX08-2TQG144I)
- Readback-free, non-volatile antifuse configuration (vs Cross-brand SRAM FPGAs (e.g., Xilinx/Altera TQFP-144 parts))
Design Notes
The A54SX08-1TQG144I needs two regulated rails: 3.3V core (3V-3.6V) and 5V I/O (4.75V-5.25V). Place 100 nF ceramic decoupling at each supply pin pair plus bulk 10 uF per rail. Consult the SX family datasheet power-up specification for acceptable rail sequencing; a 5V I/O rail applied without core power can forward-bias I/O structures. Estimated: antifuse FPGA static current is small (mA class), so most budget should be allocated to I/O switching current when driving many 5V loads simultaneously.
This is a one-time-programmable device - a programmed error cannot be corrected in-circuit. Complete simulation and static timing analysis in the Actel Designer/Libero flow, verify across temperature (-40C to +85C) and supply corners, and only then program with Silicon Sculptor hardware. Avoid using unknown-programmed broker stock in new designs without erasure verification: antifuse parts cannot be erased, so a part with unknown prior programming must be treated as scrap.
When driving 5V TTL loads from 113 I/O, group simultaneous-switching outputs and return their currents through adjacent ground pins; the 144-TQFP (20x20 mm) has limited ground pins, so assign high-activity outputs near grounded pins in your pinout plan. Keep trace stubs short on bus interfaces to limit ringing at 3.3V-5V swings; series 22-33 ohm resistors are an effective, low-cost damping choice on long backplane runs.
Compliance Information
Compliance data not present in the provided verified web data. The device predates current RoHS labeling conventions in the retrieved listings; confirm with the manufacturer certificate of conformance for the specific date code.
