A54SX08-2FGG144I - SX FPGA 8K Gates 144-FBGA | Microsemi
MPN: A54SX08-2FGG144I ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A54SX08-2FGG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-2FGG144
✅ Drop-In✓ In Stock
$38.5 / Unit
View Datasheet →A54SX08-FGG144
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$49.75 / Unit
View Datasheet →A54SX08-2FGG144I Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 8000 gates |
| Logic Cells (Modules) | 512 cells |
| User I/O | 111 |
| Maximum Toggle Rate | 320 MHz |
| Process Technology | 0.35 um |
| Supply Voltage | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Configuration Memory | Non-volatile (no external boot device) |
| Package | 144-ball Fine-Pitch BGA (FGG144) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (Industrial) |
| Temperature Grade | I (Industrial) |
| Speed Grade | -2 |
| Lead Free | Yes |
| RoHS Status | Compliant (LEAD FREE per supplier data) |
A54SX08-2FGG144I 144-ball fine-pitch bga (fgg144) Pin Configuration Guide
Complete pinout information for A54SX08-2FGG144I (144-ball fine-pitch bga (fgg144) 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 A54SX08-2FGG144I.
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
A54SX08-2FGG144I is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Legacy Systems, 5V Legacy Interface Bridging, Address Decoding and Bus Arbitration, Secure and Tamper-Resistant Logic, Long-Lifecycle Embedded Systems.
Industrial Control and Automation
The A54SX08-2FGG144I fits industrial control cards that need deterministic glue logic, state machines, and bus interfacing in environments spanning -40C to +125C. Its 320 MHz toggle rate at the -2 speed grade comfortably covers PCI-bus era decode, arbitration, and timing-generation functions, while 111 user I/O in 144 balls provides enough pins for parallel backplane interfaces. The antifuse configuration powers up instantly with no boot flash, improving cold-start reliability on factory floors, and its non-volatile logic resists corruption from power interruptions common in industrial settings.
Recommended
Aerospace and Defense Legacy Systems
Antifuse FPGAs like the A54SX08-2FGG144I are valued in aerospace and defense sustainment programs because configuration data cannot be read back, and there is no SRAM bitstream to corrupt under radiation-induced upsets. The industrial -I temperature rating and one-time-programmable silicon make the device appropriate for avionics glue logic, telemetry framing, and discrete signal conditioning boards being maintained through last-time-buy purchasing. With 8K gates and deterministic low-skip routing from the sea-of-modules architecture, it replicates decades-old schematics without timing surprises when recompiled in Libero.
Recommended
5V Legacy Interface Bridging
The dual 3.3V/5V I/O capability of the A54SX08-2FGG144I allows direct interfacing with legacy 5V TTL and 5V CMOS buses without external level shifters, reducing BOM count and board area. Typical bridging tasks include connecting a 5V VME/ISA-era peripheral to a 3.3V microprocessor bus, implementing bidirectional transceivers with direction control, and generating 5V-compatible chip-select and strobe signals. The 111 available I/O give ample pin budget for wide parallel buses, and the 320 MHz toggle rate is far above the 8-16 MHz rates of the legacy buses being served.
Recommended
Address Decoding and Bus Arbitration
Address decode, wait-state generation, and multi-master bus arbitration are classic SX-family workloads. The deterministic routing of the sea-of-modules architecture yields consistent, low-skew propagation for decode paths, which matters when setup/hold windows on legacy buses are only tens of nanoseconds. The A54SX08-2FGG144I implements these functions with a few hundred of its 512 modules, leaving headroom for interrupts, DMA handshake logic, and watchdog functions. Instant-on antifuse configuration means decode logic is active at the first clock edge - critical for systems where the CPU fetches reset vectors immediately at power-up.
Recommended
Secure and Tamper-Resistant Logic
Because antifuse configuration resides in permanent silicon interconnect with no external bitstream storage, the A54SX08-2FGG144I presents no configuration-readback attack surface - the property that kept Actel antifuse parts in secure designs. Encryption-key handling around boot ROMs, board-level authentication challenges, and lockout logic can be implemented without exposing secrets during power-up, unlike SRAM FPGAs that load configuration from external flash. The industrial-grade -I part sustains these functions across the full -40C to +125C range for secure equipment deployed outdoors or in vehicles.
Recommended
Long-Lifecycle Embedded Systems
Medical, energy, and transportation equipment certified for 10-20 year service lives frequently standardized on SX-family antifuse FPGAs. The A54SX08-2FGG144I continues to serve such programs through excess and last-time-buy stock because the die design is frozen and recompilation results remain reproducible in current Libero tools. Its 8K-gate capacity suits the supervisory, sequencing, and interface roles these certifications typically assign to FPGA fabric, and the non-volatile configuration eliminates a class of boot failures that would otherwise trigger recertification events in regulated deployments.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-2FGG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-2FGG144 | A54SX08-FGG144 |
|---|---|---|---|
| Package | 144-ball FBGA (FGG144) | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same |
| Brand | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) |
| System Gates | 8K | 8K | 8K |
| Logic Cells | 512 | 512 | 512 |
| User I/O | 111 | 111 | 111 |
| Max Toggle Rate | 320 MHz (-2 speed grade) | 320 MHz (-2 speed grade) | Standard speed grade (lower) |
| Operating Temperature | -40C to +125C (Industrial) | 0C to +70C (Commercial) | [DATA_NEEDED] |
| Programming Technology | Antifuse (OTP, non-volatile) | Antifuse (OTP, non-volatile) | Antifuse (OTP, non-volatile) |
| Lifecycle Status | EOL / last-time-buy | EOL / last-time-buy | EOL / last-time-buy |
Key Differentiators
- Industrial temperature range (vs A54SX08-2FGG144)
- Faster -2 speed grade (vs A54SX08-FGG144)
- Non-volatile antifuse configuration (vs SRAM FPGAs (architectural class))
Design Notes
The A54SX08-2FGG144I operates from a dual 3.3V/5V supply environment per the SX family datasheet. Apply clean, well-decoupled supplies with at least 0.1 uF ceramic capacitors at each supply pin pair on the FGG144 package, plus bulk 10 uF near the device. Because antifuse FPGA core current is static (no configuration current surge at power-up), inrush is dominated by board decoupling - simplifying power sequencing versus SRAM FPGAs, which require configuration-power sequencing analysis.
The device is one-time programmable: do not finalize programming until post-fit timing analysis and functional simulation pass on the target device. Verify actual gate utilization against the 8K-gate/512-module budget, as reported utilization after routing can exceed naive RTL estimates by 20-30%. Also confirm the exact speed-grade timing model (-2) used in static timing analysis matches the ordered part; the non '-2' A54SX08-FGG144 is slower and is not timing-equivalent.
The 144-ball FGG144 fine-pitch BGA requires a controlled reflow profile and via-in-pad or dog-bone fanout with 0.15-0.2 mm trace/space at 1.0 mm ball pitch. Follow the mechanical drawing in the Microchip 54SX family datasheet for land-pattern geometry. Because the part is EOL, design any new rework boards with an LGA/QFN-compatible rework strategy in mind - BGA rework of obsolete antifuse devices without spare programmed units is a known sustainment risk.
Compliance Information
Supplier listings describe the part as LEAD FREE; RoHS compliant per distributor data. REACH, halogen-free, and conflict-minerals status not stated in provided data.
