A54SX08-1FG144I - 8K FPGA 111 I/O 144FBGA | Microchip
MPN: A54SX08-1FG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $43.65 | $436.50 |
| 100 | $38.8 | $3,880.00 |
| 500 | $34.92 | $17,460.00 |
| 1,000 | $31.03 | $31,030.00 |
Drop-in alternatives for A54SX08-1FG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-1FGG144I
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View Datasheet →A54SX08-2FG144I
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View Datasheet →A54SX08-2FGG144I
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View Datasheet →A54SX08-FG144I
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View Datasheet →A54SX08-FGG144I
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View Datasheet →A54SX08-1FG144
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View Datasheet →A54SX08-1FG144I Maximum Ratings & Electrical Characteristics
| System Gates | 8000 |
| Logic Cells | 512 |
| Series | SX-A |
| Number of I/Os | 111 |
| Operating Supply Voltage | 3.3 V, 5 V |
| Maximum Operating Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Programmable Type | Antifuse (One-Time Programmable) |
| Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | +85 C |
| Package / Case | 144-FBGA |
| Mounting Style | SMD/SMT |
| Packaging | Tray |
| Logic Family | CMOS |
| Product Category | FPGA - Field Programmable Gate Array |
A54SX08-1FG144I 144-fbga Pin Configuration Guide
Complete pinout information for A54SX08-1FG144I (144-fbga 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 A54SX08-1FG144I.
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
A54SX08-1FG144I is suitable for 6 applications: Industrial Control and Automation, Glue Logic Consolidation, Communications Line-Card Interface Logic, ASIC Prototyping and Emulation, Aerospace and Defense Sub-Systems, Battery-Powered and Low-Power Portable Equipment.
Industrial Control and Automation
The A54SX08-1FG144I fits industrial controllers because its -40C to +85C industrial rating survives factory-floor temperature swings while the dual 3.3 V / 5 V supplies interface directly with legacy PLC I/O, relays, and TTL-level sensors without level shifters. The 8K-gate antifuse fabric implements deterministic state machines, encoder counters, and interlock logic at up to 240 MHz with no configuration boot delay, so safety interlocks are active within microseconds of power-up. Because the antifuse bitstream is permanent and unreadable, machine-control IP remains protected on the production line. Place the device between sensor banks and a supervisory MCU, with 100 nF decoupling per supply ball pair; the trade-off is one-time programmability, so freeze the logic design before programming production trays.
Recommended
Glue Logic Consolidation
Replacing dozens of 74-series TTL/CMOS devices, PALs, and GALs is a classic SX08 use case: the 111 user I/Os and 512 logic cells absorb address decoding, bus translation, wait-state generation, and interrupt aggregation in a single 144-FBGA. The 5 V-tolerant I/O banks speak legacy 5 V bus levels directly, while the 0.35 um antifuse fabric guarantees fixed propagation delays that discrete TTL replacements cannot match after routing. Because configuration is on-chip, the consolidated logic powers up instantly with no flash-boot sequencing, simplifying the reset tree of the host board. Estimated benefit: one FBGA replaces 20-40 SSI/MSI packages, cutting board area and assembly cost; the design commitment is that antifuse programming is irreversible, so validate the netlist in simulation first.
Recommended
Communications Line-Card Interface Logic
In telecom and datacom line cards, the A54SX08-1FG144I implements backplane framing, elk and alarm polling, and parallel-to-serial conversion at speeds up to 240 MHz system rate, comfortably covering T1/E1 and legacy backplane interface rates. The sea-of-modules architecture gives short, predictable routing delays, so timing across the card's interface is deterministic without the closure iterations typical of SRAM FPGAs. The industrial temperature suffix supports outside-plant and unconditioned equipment cabinets. Use the 3.3 V rail for the FPGA core/I-O with 5 V-only pins reserved for legacy alarm inputs; add 0.1 uF and 10 uF decoupling at each supply ball. The antifuse configuration also survives unintentional power cycling common in telecom -48 V distribution environments.
Recommended
ASIC Prototyping and Emulation
Before committing an ASIC tape-out, design teams map RTL control blocks into the SX08's 8K gates to verify protocol behavior in-system at realistic clock rates. The antifuse fabric's timing predictability makes early prototype timing representative of gate-level expectations, and its instant-on behavior means prototype boards run like final silicon without loader firmware. At 512 logic cells the device suits control-plane and interface-block emulation rather than datapath-heavy cores. Iterate in the Libero IDE flow, verify in simulation, then program prototype boards; for subsequent design spins, program fresh devices, since antifuses cannot be erased. Budget one device per prototype iteration - a cost the SX08's low unit price absorbs better than larger family members.
Recommended
Aerospace and Defense Sub-Systems
The SX-A family's one-time-programmable antifuse configuration contains no SRAM configuration cells, eliminating configuration-readback attack surfaces and improving resilience in radiation-prone environments - reasons the Actel/Microsemi SX line has a long heritage in military and aerospace boards. The A54SX08-1FG144I's -40C to +85C industrial rating covers many avionic and ground-defense operating envelopes; flight programs typically specify higher-screening grades within the family. Typical roles include telemetry formatting, discrete-to-digital conversion, and safety-critical voting logic, where instant-on configuration (no bitstream load time) is a system requirement. Design with generous I/O margin from the 111 available pins and validate timing at the -1 speed grade across the full temperature range per the Microchip 54SX datasheet.
Recommended
Battery-Powered and Low-Power Portable Equipment
Antifuse FPGAs draw no standby configuration power and, unlike SRAM FPGAs, require no external flash reads during operation, which trims both static power and BOM count in portable or battery-backed instruments. The A54SX08-1FG144I's 0.35 um CMOS process at 3.3 V keeps dynamic power proportional to the modest 8K-gate fabric, and the instant-on property supports equipment that must be functional within milliseconds of battery insertion, such as test probes, portable meters, and security sensors. Power-gate unused I/O banks in the design and avoid driving external capacitive loads at 240 MHz unnecessarily to hold consumption at milliwatt levels. Trade-off: for deeply duty-cycled systems, an MCU with sleep modes may beat the always-live FPGA fabric.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1FG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-1FGG144I | A54SX08-2FG144I | A54SX08-FG144I | A54SX08-FGG144I |
|---|---|---|---|---|---|
| Package | 144-FBGA | 144-FBGA - same | 144-FBGA - same | 144-FBGA - same | 144-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 8000 | 8000 | 8000 | 8000 | 8000 |
| User I/Os | 111 | 111 | 111 | 111 | 111 |
| Speed Grade | -1 (standard) | -1 (standard) | -2 (faster) | -1 (standard) | -1 (standard) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) | 0C to +70C (commercial) |
| 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 |
| Configuration Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Instant-on antifuse configuration with no external boot flash (vs A54SX08-2FG144I)
- Industrial -40C to +85C rating at the -1 speed grade price point (vs A54SX08-FG144I)
- Cost-optimized standard speed grade (vs A54SX08-2FGG144I)
- 5 V-tolerant I/O on 111 pins (vs modern SRAM FPGAs (e.g., MachXO2))
Design Notes
The A54SX08-1FG144I requires both 3.3 V and 5 V supply domains. Estimate total dynamic power from the Microchip SX-A power calculator using your toggle rates; at 8K gates it is typically modest, but 5 V I/O banks driving heavy loads increase consumption substantially. Decouple every supply ball with 100 nF ceramic plus bulk 10 uF per rail, placed within 2 mm of the FBGA via short vias. Verify 5 V-tolerant pin assignments against datasheet banking rules before routing to avoid mixed-voltage violations that can forward-bias protection structures.
Antifuse FPGAs are one-time programmable: an uncorrected logic bug in a programmed device cannot be reworked. Establish a strict flow - full functional simulation, static timing analysis at the -1 speed grade across -40C to +85C corners, then programming of engineering samples before production trays. Reserve 10-20% routing and logic headroom because late ECOs must fit into the same device. Also confirm the package variant ordering code (FG vs FGG, I vs commercial) on purchase orders, since these suffixes change temperature rating and ball metallurgy.
The 144-ball FBGA (0.5 mm-class ball pitch for this package family) requires via-in-pad or dog-bone fanout on outer layers; keep escape traces short and symmetric for timing-critical buses. Follow the Microchip SX-A datasheet package drawing for land-pattern dimensions and solder-mask definitions. Because the device powers up instantly, provide a clean monotonic supply ramp with a supervisor reset if downstream logic depends on FPGA outputs being valid at power application. Include test points on JTAG/programming-accessible nets for production verification.
At up to 240 MHz internal system rates, control stub lengths on high-fanout clock nets and use the dedicated clock resources described in the Microchip 54SX family datasheet rather than general routing. Match trace lengths for parallel buses leaving the 111 I/O banks, and series-terminate 5 V-tolerant outputs that drive backplanes to control reflections. Run post-route timing in Libero at your actual speed grade and temperature corner; antifuse routing is fixed, so timing sign-off is final once programmed.
Compliance Information
Compliance status not stated in the provided web data. The G-suffix (FGG) variants of the SX-A family are Microchip's Pb-free/green package builds; confirm RoHS status for this specific FG ordering code with Microchip or the distributor before procurement.
