A54SX08-1PQG208I - 8K Gate SX FPGA, 280MHz, PQFP-208 | Microsemi
MPN: A54SX08-1PQG208I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $44.2 | $442.00 |
| 100 | $39.8 | $3,980.00 |
| 500 | $36.1 | $18,050.00 |
| 1,000 | $32.6 | $32,600.00 |
Drop-in alternatives for A54SX08-1PQG208I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-1PQG208
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View Datasheet →A54SX08-PQG208I
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View Datasheet →A54SX08-2PQG208
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View Datasheet →A54SX16-1PQG208
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View Datasheet →A54SX16-2PQG208I
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View Datasheet →A54SX16P-PQG208
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View Datasheet →A54SX08-1PQG208I Maximum Ratings & Electrical Characteristics
| Equivalent Gates | 8000 gates |
| Logic Cells | 512 cells |
| Logic Array Blocks | 768 LABs |
| User I/O | 130 |
| Maximum Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage (Core) | 3V ~ 3.6V |
| Supply Voltage (I/O) | 4.75V ~ 5.25V |
| Combined Supply Support | 3.3V / 5V |
| Package | 208-Pin PQFP (BFQFP), 28x28 mm |
| Mounting Type | Surface Mount |
| Programming Technology | Antifuse (one-time programmable) |
| Family | SX (SX-A) FPGA Family |
| Operating Temperature | -40C to +85C (industrial, I suffix) |
| Supplier Device Package | 208-PQFP (28x28) |
A54SX08-1PQG208I 208-pqfp (28x28) Pin Configuration Guide
Complete pinout information for A54SX08-1PQG208I (208-pqfp (28x28) 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 A54SX08-1PQG208I.
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
A54SX08-1PQG208I is suitable for 6 applications: Glue Logic Consolidation, Industrial Control and Sequencing, Communications Protocol Bridging, Test and Measurement Instrumentation, Military and Defense Subsystems, Legacy 5V System Modernization.
Glue Logic Consolidation
The A54SX08-1PQG208I consolidates discrete 74-series glue logic, PALs, and CPLDs into a single 8K-gate antifuse fabric with 130 user I/Os in one 208-pin PQFP. Because the SX08 reaches 280 MHz internal toggle rates with predictable module-based routing, address decoders, wait-state generators, and bus transceives run with deterministic timing that discrete TTL cannot match. Its dual 3.3V/5V rail support (3V-3.6V core, 4.75V-5.25V I/O) lets it sit directly on legacy 5V backplanes while interfacing modern 3.3V logic, eliminating level-shifters. Once programmed, the antifuse configuration is fixed, behaving like an ASIC without NRE cost - ideal for mid-volume boards where discrete logic count, inventory, and assembly cost dominate the budget.
Recommended
Industrial Control and Sequencing
In industrial controllers, the A54SX08-1PQG208I implements state machines, interlock logic, and PWM/timing sequencers that must run from -40C to +85C without derating. The industrial 'I' temperature grade and one-time-programmable antifuse fabric mean there is no configuration flash to corrupt across power brownouts, a common failure mode for SRAM FPGAs on noisy factory floors. With 130 I/Os, one device replaces multiple PLC-side interface PALs driving sensors, relays, and operator-panel signals, and 280 MHz-class internal performance leaves wide margin for microsecond-scale control loops. Designs are locked in Microsemi Designer and burned once, protecting production firmware integrity against field tampering or accidental reconfiguration.
Recommended
Communications Protocol Bridging
The A54SX08-1PQG208I suits protocol conversion tasks - UART-to-SPI bridges, parallel-bus to serial framers, and line-code converters - where 8K gates and 130 I/Os cover typical channel counts. The SX architecture's dedicated fast carry chains and low-skew global networks sustain the multi-MHz clocking these bridges need, while 0.35 um antifuse routing keeps per-net capacitance low for clean edge rates at 280 MHz-class toggle speeds. Dual-rail I/O (3.3V and 5V compatible) allows the FPGA to bridge a legacy 5V backplane directly to 3.3V PHYs without external translation. Because configuration is burned at manufacture, deployed units boot instantly with no configuration-load latency, a practical benefit in telecom equipment with strict reset-to-ready timing budgets.
Recommended
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX08-1PQG208I for timing generators, event counters, and trigger logic where deterministic delays matter more than raw density. The 512-cell SX fabric delivers fixed, one-time-programmed timing that does not drift with configuration reloads, and the 208-pin PQFP exposes 130 I/Os for status, trigger, and data-acquisition buses on 2.0 mm-pitch footprints that are easy to probe and rework compared with fine-pitch BGAs. With 280 MHz maximum toggle capability, the device times events to the low-nanosecond region, sufficient for mid-range instrumentation. Its industrial temperature rating also suits rack-mounted equipment operating in unconditioned environments.
Recommended
Military and Defense Subsystems
Antifuse FPGAs like the A54SX08-1PQG208I are favored in defense ground equipment because the programmed configuration cannot be read back or upset like SRAM bitstreams, removing a class of supply-chain and configuration-integrity concerns. The 8K-gate fabric handles bus interfaces (MIL-STD-1553 companion logic, discrete-to-digital conversion), checksum and comparison logic, and built-in-test controllers. The industrial -40C to +85C range covers sheltered and vehicle-mounted environments, while the 208-pin PQFP's through-considered 28x28 mm body suits conformally coated boards. Note that for flight or radiation environments, Microsemi's RTAX series is the qualified path; the SX08 is appropriate for tactical ground and test-station applications.
Recommended
Legacy 5V System Modernization
Many installed industrial, telecom, and avionics-adjacent platforms still run 5V backplanes. The A54SX08-1PQG208I directly supports 5V I/O signaling (4.75V-5.25V VCCI) alongside a 3.3V core, letting designers replace obsolete PAL/GAL and ASIC logic with a programmable part without adding bus switch level translators. The 208-pin PQFP matches the footprint conventions of the era's PQFP ASICs, easing socket-compatible respins, and one-time antifuse programming reproduces ASIC behavior exactly at production volumes without mask charges. For boards being redesigned around 3.3V-only rails, the same die is available in the VQG100 and TQG176 package options within the SX08 family.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1PQG208I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-1PQG208 | A54SX08-PQG208I | A54SX16-1PQG208 | A54SX16-2PQG208I |
|---|---|---|---|---|---|
| Package | 208-Pin PQFP (BFQFP), 28x28 mm | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| Equivalent Gates | 8,000 | 8,000 | 8,000 | ~16,000 | ~16,000 |
| Logic Cells | 512 | 512 | 512 | [DATA_NEEDED] | [DATA_NEEDED] |
| User I/O | 130 | 130 | 130 | [DATA_NEEDED] | [DATA_NEEDED] |
| Maximum Frequency | 280 MHz | 280 MHz | 280 MHz | [DATA_NEEDED] | [DATA_NEEDED] |
| Temperature Range | -40C to +85C (industrial) | Commercial (0C to +70C) | Industrial | [DATA_NEEDED] | Industrial (I suffix) |
| Supply Voltage | 3V~3.6V core, 4.75V~5.25V I/O | Same dual-rail scheme | Same dual-rail scheme | Same dual-rail scheme | Same dual-rail scheme |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Best cost-per-gate in the 208-pin PQFP family (vs A54SX16-1PQG208)
- Industrial temperature qualification (vs A54SX08-1PQG208)
- One-time-programmable configuration security (vs SRAM-based FPGAs)
Design Notes
The A54SX08-1PQG208I uses a dual-rail supply: 3V-3.6V for the core and 4.75V-5.25V for I/O banks. Estimated: antifuse FPGAs draw very low static current since there is no SRAM bitstream to maintain, but dynamic current scales with toggle rate and I/O loading - budget roughly per the Microsemi power calculator for the SX family, entering your actual net toggle rates. Decouple each VCC and VCCI pin pair with 0.1 uF ceramics placed within 2 mm of the pin, plus bulk 10 uF per rail near the package.
The 208-pin PQFP has 0.5 mm pitch leads on a 28x28 mm body. Use an NSMD pad pattern per the datasheet footprint drawing and keep fan-out traces at 0.15-0.2 mm width to avoid solder bridging. Because the leads overhang the body on four sides, allocate at least 3 mm clearance beyond each lead tip for inspection and rework. Reflow profiles must follow the package MSL rating on the moisture-barrier bag label - PQFPs are moisture sensitive and require bake if floor-life is exceeded.
Antifuse devices are one-time programmable - a design error means scrapping the device. Always complete post-layout timing simulation with worst-case (slow) corner models before burning, and order spare unprogrammed units. Second, the '-1' speed grade carries specific timing tables: do not assume '-P' or '-2' grade timings. Third, remember the I/O rail must be at 4.75V-5.25V for 5V signaling; driving 5V-logic inputs from a 3.3V-only VCCI board risks violating input thresholds.
Compliance Information
Compliance data was not present in the verified web data for this MPN; consult the Microchip/Microsemi product page or environmental data sheet for RoHS/REACH status of the specific ordering code.
