A54SX08A-TQG100A - SX-A FPGA 8K Gates 81 I/O TQFP-100 | Microchip
MPN: A54SX08A-TQG100A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.8 | $258.00 |
| 100 | $23.1 | $2,310.00 |
| 500 | $21.4 | $10,700.00 |
| 1,000 | $19.75 | $19,750.00 |
Drop-in alternatives for A54SX08A-TQG100A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16A-TQG100A
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View Datasheet →A54SX32A-TQG100A
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View Datasheet →A54SX16A-1TQG100M
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View Datasheet →A54SX32A-TQG100M
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View Datasheet →A54SX32A-1TQG100
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View Datasheet →A54SX32A-2TQG100I
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View Datasheet →A54SX08A-TQG100A Maximum Ratings & Electrical Characteristics
| Family | SX-A |
| System Gates | 8K |
| Logic Cells | 512 |
| User I/O | 81 |
| Maximum Toggle Frequency | 238 MHz |
| Process Technology | 0.25 um CMOS |
| Core Supply Voltage | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 100-TQFP |
| Mounting Type | Surface Mount |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Grade | Automotive |
| Configuration | Non-volatile (antifuse), no external boot device required |
| Design Security | Antifuse readback protection |
A54SX08A-TQG100A 100-tqfp Pin Configuration Guide
Complete pinout information for A54SX08A-TQG100A (100-tqfp 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 A54SX08A-TQG100A.
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
A54SX08A-TQG100A is suitable for 6 applications: Industrial Automation Control, Defense and Aerospace Systems, Communications Equipment, Bridge and Interface Logic, Test and Measurement Instrumentation, Automotive Electronic Control.
Industrial Automation Control
The A54SX08A-TQG100A fits industrial control and automation boards where glue logic, sequencers, and bus interfaces must run reliably for years without reconfiguration. Its 8K gates and 512 cells implement PLC I/O decoding, state machines, and encoder-interface counters, while the 238 MHz fabric speed comfortably covers motor-control feedback loops that typically clock at 20-100 MHz. The antifuse fabric delivers deterministic pin-to-pin delays that never change with power-up, an important property for safety interlocks. Operating from a single 2.5V core in the industrial temperature range, it also reduces rail count versus multi-voltage FPGA designs. One trade-off: any control-logic revision requires a new device, so freeze the netlist at design qualification before volume assembly.
Recommended
Defense and Aerospace Systems
Antifuse FPGAs like the A54SX08A-TQG100A are favored in defense and aerospace electronics because the programmed interconnect cannot be read back, protecting proprietary or mission-critical IP, and because there is no configuration memory to upset or corrupt. The M-temperature-grade family members (e.g., A54SX32A-TQG100M) extend the same architecture to harsh environments, letting teams qualify one board layout across temperature grades. With 81 user I/O and fixed timing, the SX08A implements telemetry formatting, redundant-sensor voting, and discrete command interfaces common in avionics black boxes. The deterministic 0.25 um fabric simplifies worst-case timing analysis demanded by military qualification programs. Budget for one-time programmability: flight-design changes consume new devices and require re-verification.
Recommended
Communications Equipment
In line-card and backplane designs, the A54SX08A-TQG100A bridges protocols, generates framing logic, and manages board-level control between processors and PHY devices. The 238 MHz maximum toggle rate supports common synchronous interfaces such as 100 MHz LVCMOS buses and clock-domain crossing structures, while 81 user I/O provide enough pins for parallel data buses plus control and status signals. Antifuse determinism ensures that frame-alignment state machines meet fixed propagation budgets across the whole production run, which simplifies BER and timing compliance testing. Its 2.5V core and modest static power suit always-on telecom hardware where rack-level power budgets are tight. For designs needing more channels, the pin-compatible A54SX16A/A54SX32A TQFP-100 parts allow capacity growth without PCB respin.
Recommended
Bridge and Interface Logic
The A54SX08A-TQG100A is a classic single-chip replacement for multi-chip glue logic: address decoders, bus transceivers with handshaking, watchdog interfaces, and CPU-to-FPGA control registers. Consolidating these functions into one 8K-gate antifuse device reduces BOM count, board area, and per-unit cost - exactly the system-wide savings Microchip promotes for the SX-A family. The 100-TQFP's 81 I/O handle wide parallel buses, and fixed antifuse routing means decoder access times are stable from the first unit to the last, easing worst-case CPU-wait-state calculations. Because the device is one-time programmable, production units are immune to configuration corruption from noise or brownouts, a real benefit in electrically harsh factory floors and vehicles.
Recommended
Test and Measurement Instrumentation
Bench instruments and automated test fixtures use the A54SX08A-TQG100A for timing generators, event counters, and fixture control logic. The 238 MHz-class fabric supports 10 ns-resolution event timing, while 81 user I/O connect to relay drivers, comparators, and DUT interface headers. Deterministic antifuse timing is valuable in measurement chains because trigger-to-output latency is identical on every unit, keeping calibration valid across a production fleet and over years of service. Non-volatility means the instrument powers up functional instantly, with no configuration download that could add boot delay or fail intermittently. For higher channel counts, the same-footprint A54SX16A-TQG100A and A54SX32A-TQG100A provide seamless migration during instrument redesigns.
Recommended
Automotive Electronic Control
Distributor data lists the A54SX08A-TQG100A as an automotive-grade part, and its secure, non-volatile antifuse configuration suits vehicle control modules where configuration corruption is unacceptable and reverse engineering must be prevented. Typical roles include body-control I/O consolidation, sensor preprocessing, and communication-bridge logic between CAN transceivers and legacy parallel peripherals. The 2.5V core integrates with standard automotive power architectures via simple LDO regulation, and the fixed interconnect timing supports worst-case latency analysis required in functional-safety reviews. One-time programmability aligns with automotive practice of frozen firmware at start of production; any ECU revision maps to a new device revision number, supporting full traceability. Confirm AEC qualification level with Microchip for safety-critical placements.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08A-TQG100A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-TQG100A | A54SX32A-TQG100A | A54SX16A-1TQG100M | A54SX32A-TQG100M |
|---|---|---|---|---|---|
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 8K | 16K | 32K | 16K | 32K |
| Logic Cells | 512 | 928 | 1,800 | 928 | 1,800 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Temperature Grade | Automotive (A) | Automotive (A) | Automotive (A) | Military (M) | Military (M) |
| Speed Grade | Standard (A suffix) | Standard | Standard | -1 (faster) | Standard |
| RoHS / Lead Free | Compliant / Lead Free (G suffix) | Compliant / Lead Free (G) | Compliant / Lead Free (G) | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Lowest cost and lowest static power in the TQFP-100 SX-A lineup (vs A54SX32A-TQG100A)
- Antifuse design security with no external configuration device (vs A54SX16A-TQG100A)
- Military temperature option in identical footprint (vs A54SX32A-TQG100M)
Design Notes
The A54SX08A-TQG100A runs from a 2.5V core supply per the SX-A family datasheet. Provide a clean 2.5V rail with local 0.1 uF ceramic decoupling at each VDD pin plus bulk 10 uF near the package. I/O bank supply requirements depend on the selected I/O standard; consult the SX-A datasheet I/O table for VCCI ranges. Because antifuse devices have no configuration power-up surge (unlike SRAM FPGAs loading a bitstream), inrush is minimal, but brown-out behavior should still be verified with a supply supervisor for industrial environments.
Antifuse FPGAs are one-time programmable: a design error after programming means scrapping the device. Before committing hardware, run full functional simulation, timing verification on the placed-and-routed netlist, and ideally program-and-test one engineering lot. Reserve part-number headroom by qualifying the pin-compatible A54SX16A-TQG100A or A54SX32A-TQG100A so a late feature addition can be absorbed without a PCB respin - this is standard practice in long-lifecycle industrial and defense programs using the SX-A family.
The 100-TQFP (0.5 mm lead pitch) requires careful solder-paste stencil design; use a 1:1 aperture with reduced thickness (100-120 um) to prevent bridging on the fine-pitch perimeter. Define the land pattern per the Microchip TQFP-100 mechanical drawing in the SX-A datasheet. Route unused I/O as inputs with pull resistors or tri-state them in the design to avoid floating-node noise. Keep clock traces short and reference a solid ground plane; the fixed antifuse routing means external clock quality dominates jitter performance.
Compliance Information
DigChip and Mouser Europe listings mark the A54SX08A-TQG100A as Lead Free and RoHS Compliant (G suffix). Jotrin lists the device as automotive grade, but AEC-Q100 qualification level is not stated in public search data. REACH and halogen-free status not stated in provided data.
