A54SX08-2PLG84I - SX FPGA 12K Gates 84-PLCC | Microsemi
MPN: A54SX08-2PLG84I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.65 | $256.50 |
| 100 | $22.8 | $2,280.00 |
| 500 | $19.95 | $9,975.00 |
| 1,000 | $17.1 | $17,100.00 |
Drop-in alternatives for A54SX08-2PLG84I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-PLG84I
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View Datasheet →A54SX08-1PLG84I
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A54SX08-2PLG84
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$20.4 / Unit
View Datasheet →A54SX08-2PLG84I Maximum Ratings & Electrical Characteristics
| Series | SX (Axcelerator predecessor, SX family) |
| System Gates | 12000 |
| Logic Elements / Blocks | 768 |
| Logic Cells | 512 |
| Number of I/O | 69 |
| Speed Grade | -2 |
| Max Toggle Rate | 320 MHz |
| Process Technology | 0.35 um antifuse CMOS |
| Supply Voltage (VCC) | 3V ~ 3.6V |
| Supply Voltage (VCCPLS) | 4.75V ~ 5.25V |
| I/O Voltage Support | 3.3V / 5V |
| Configuration Type | Antifuse (non-volatile, one-time programmable) |
| Operating Temperature | -40C to +85C (industrial, I suffix) |
| Package / Case | 84-LCC (J-Lead), PLCC-84 |
| Supplier Device Package | 84-PLCC (29.31 x 29.31 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
A54SX08-2PLG84I 84-plcc (29.31 x 29.31 mm) Pin Configuration Guide
Complete pinout information for A54SX08-2PLG84I (84-plcc (29.31 x 29.31 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 A54SX08-2PLG84I.
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
A54SX08-2PLG84I is suitable for 6 applications: Industrial Control and Automation, Glue Logic Consolidation, Secure and Defense Electronics, Telecommunications Line Cards, Avionics and Legacy Subsystem Upgrades, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX08-2PLG84I fits industrial control because its -40C to +85C industrial rating, 320 MHz toggle rate, and 69 flexible I/O absorb the mixed 5V and 3.3V signaling found on PLC backplanes and sensor buses. In a typical design it consolidates address decoding, interlock logic, and sequencer state machines that would otherwise occupy several 74-series devices. Because the antifuse configuration is one-time-programmable and non-volatile, the logic is active within microseconds of power application and cannot be corrupted by electrical noise or brownouts - a frequent failure mode for SRAM FPGAs on noisy factory floors. The 84-PLCC J-lead package also supports visual solder inspection common in industrial quality processes.
Recommended
Glue Logic Consolidation
The primary historical role of the SX08 is glue logic: bus transceiving, wait-state generation, chip-select decoding, and interrupt aggregation around microprocessors. The 768 logic elements provide roughly 12,000 usable gates - enough for a full 32-bit address decoder with arbitration, while the C-cell architecture supports 9-bit parity-tree functions with 2 ns propagation delays per the SX family datasheet, keeping combinational paths fast. The antifuse fabric needs no configuration PROM, reducing board population versus SRAM FPGA solutions and removing the boot sequence entirely. Speed grade -2 timing accommodates 320 MHz internal toggling, giving ample margin over legacy bus clock rates of 33 to 100 MHz.
Recommended
Secure and Defense Electronics
Antifuse FPGAs like the A54SX08-2PLG84I are favored in defense and secure systems because the programmed configuration physically cannot be read back from the silicon, protecting IP against cloning and reverse engineering. The Actel/Microsemi SX lineage has a long deployment history in avionics and military ground systems, and the instant-on, non-volatile behavior suits platforms where power-cycling is frequent and configuration storage is undesirable. The 0.35 um process is inherently robust against many soft-error mechanisms relative to finer geometries. The SX32 and radiation-tolerant RTAX family members in the same architecture portfolio provide qualification and density escalation paths for programs that outgrow the 12K-gate SX08.
Recommended
Telecommunications Line Cards
In telecom line cards, the A54SX08-2PLG84I implements framing logic, alarm aggregation, and backplane interface glue between PHY devices and system controllers. Its 5V-tolerant I/O directly mates with legacy 5V backplane signaling while the 3.3V core keeps dynamic power manageable; the dual-rail supply (3.0V-3.6V plus 4.75V-5.25V VCCPLS) matches mixed-voltage card architectures without level translators. The 320 MHz toggle ceiling comfortably exceeds T1/E1 and DS3 framers' local clock domains. Because card designs are frozen after qualification, the one-time-programmable antifuse removes concerns about configuration bitstream corruption over a 20-year field life, and PLCC sockets permit field replacement during depot-level repair.
Recommended
Avionics and Legacy Subsystem Upgrades
Many certified avionics line-replaceable units were designed around Actel SX devices, and the A54SX08-2PLG84I serves both as new-build supply and as form-fit-function replacement during obsolescence-driven respins. The industrial -40C to +85C range covers most cockpit equipment bays, and the 0.35 um antifuse process provides stable timing over temperature without reconfiguration risk. Because certification documentation pins the original logic design, the ability to order the identical 84-PLCC die in multiple speed grades (-1 and -2) lets integrators manage timing margin without changing the approved netlist. The PLCC J-lead also reflows reliably onto legacy through-hole-era boards adapted for surface mount.
Recommended
Test and Measurement Instrumentation
Bench and rack instruments use the A54SX08-2PLG84I for trigger logic, counter/timer front ends, and bus arbitration (GPIB, RS-232, parallel status buses). The deterministic, reconfiguration-free behavior of antifuse silicon aids measurement repeatability: power-up timing jitter from configuration loading simply does not exist, so the instrument is measuring within microseconds of switch-on. The 2 ns parity and fast carry paths in the C-cell fabric support frequency counters up to the internal 320 MHz toggle limit. Industrial temperature rating suits portable field instruments, and the 69 I/O cover front-panel switches, display buses, and acquisition triggers from one 12K-gate device.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-2PLG84I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-PLG84I | A54SX08-1PLG84I | A54SX08-2VQG100I |
|---|---|---|---|---|
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 84-PLCC (J-Lead) 29.31 x 29.31 mm | 84-PLCC - same | 84-PLCC - same | 100-VQFP - different |
| System Gates | 12,000 | 12,000 | 12,000 | 12,000 |
| Logic Elements / Cells | 768 / 512 | 768 / 512 | 768 / 512 | 768 / 512 |
| User I/O | 69 | 69 | 69 | More (VQFP-100) |
| Speed Grade | -2 (320 MHz) | -2 (320 MHz) | -1 (slower) | -2 (320 MHz) |
| Supply Voltage | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS |
| Temperature Range | -40C to +85C (industrial) | Commercial (0C to +70C) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Configuration | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) |
Key Differentiators
- Industrial temperature range in PLCC-84 (vs A54SX08-PLG84I)
- Faster timing grade on identical die (vs A54SX08-1PLG84I)
- No external configuration device needed (vs A54SX08-2VQG100I (and any SRAM FPGA))
Design Notes
The A54SX08-2PLG84I requires two supply rails: 3.0V to 3.6V core (VCC) and 4.75V to 5.25V VCCPLS. Decouple each rail with at least 0.1 uF ceramic per supply pin pair plus 10 uF bulk per rail. Estimated: at 12K gates toggling at moderate rates, core current is typically tens of milliamps, but VCCPLS is required for the antifuse programming charge pump - confirm both rails are present before any programming operation, otherwise programming fails silently. Per the 54SX family datasheet, observe the recommended power-up sequencing to avoid latch-up during dual-rail startup.
The 84-PLCC J-lead package has leads on all four sides with a 1.27 mm pitch; use an NSF/ JEDEC-style PLCC-84 land pattern per the package drawing in the 54SX datasheet and support inspection of J-lead fillets. For mixed 5V/3.3V I/O assignments, group same-voltage banks together in your pin placement to simplify returns and reduce ground bounce. If a PLCC socket is used for field serviceability, account for the socket contact resistance and inductance in I/O timing margin, and derate toggle performance estimates accordingly.
Antifuse devices are one-time programmable: an invalid design cannot be reflowed, so complete full timing simulation at speed grade -2 before committing a programming file. Do not substitute the commercial-temperature A54SX08-PLG84I into industrial (-40C to +85C) designs - timing and reliability are only specified over the commercial range. Finally, remember that on antifuse FPGAs most pin functions are assigned at place-and-route; never assume a signal appears on a specific physical pin without checking the generated pin report from the design software.
Compliance Information
RoHS/lead-free status for this legacy 0.35 um antifuse FPGA was not stated in the retrieved web data; confirm against the Microchip product page or certificate of conformance before specifying for new RoHS-restricted builds.
