A54SX16A-1TQG100I - 24K Gate FPGA 81 I/O TQFP-100 | Microchip
MPN: A54SX16A-1TQG100I ✓ 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 A54SX16A-1TQG100I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16A-1TQG100M
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View Datasheet →A54SX16A-1TQG100I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 24000 gates |
| Typical Gates | Approximately 16000 gates |
| Configurable Logic Blocks (CLBs) | 1452 |
| Number of Cells | 924 |
| User I/O | 81 |
| Maximum Toggle Frequency | 263 MHz |
| Speed Grade | -1 |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Programmability Type | One-time programmable (antifuse) |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 100-pin TQFP (TQG100), 1.4 mm height |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant / Lead Free |
| Architecture | Sea-of-modules |
A54SX16A-1TQG100I 100-pin tqfp (tqg100), 1.4 mm height Pin Configuration Guide
Complete pinout information for A54SX16A-1TQG100I (100-pin tqfp (tqg100), 1.4 mm height 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 A54SX16A-1TQG100I.
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
A54SX16A-1TQG100I is suitable for 6 applications: Industrial Automation Control, Aerospace and Defense Subsystems, Protocol and Bus Bridging, Glue Logic Integration and BOM Reduction, Test and Measurement Equipment, Secure Embedded Systems.
Industrial Automation Control
The A54SX16A-1TQG100I fits industrial control and automation boards where deterministic, instant-on logic is required near motors, sensors, and PLC backplanes. Its 24,000 system gates and 1452 CLBs absorb glue logic, state machines, and interface bridging that would otherwise occupy several MSI/PLD devices, cutting BOM cost and board area. The industrial -40C to +85C rating and 2.5V core (low static power) suit unattended factory-floor cabinets. Because the antifuse fabric needs no configuration flash, the FPGA is active the instant power is applied, eliminating boot delays in safety interlocks. Designers implement counters, PWM generators, and parallel bus interfaces across the 81 user I/Os at toggles up to 263 MHz.
Recommended
Aerospace and Defense Subsystems
The SX-A antifuse architecture makes the A54SX16A-1TQG100I attractive for defense electronics such as avionics interface adapters, telemetry encoders, and secure logic where configuration tamper-resistance matters. Antifuse interconnects are one-time programmed and cannot be read back, providing inherent IP protection unavailable in SRAM FPGAs that store bitstreams in external flash. Instant-on behavior removes configuration-latency concerns in power-cycled payloads, and the absence of a configuration device removes a common failure point. The M-grade sibling (A54SX16A-1TQG100M) extends temperature coverage for harsher environments in the same footprint, enabling a single PCB to serve multiple environmental classes.
Recommended
Protocol and Bus Bridging
The A54SX16A-1TQG100I is well suited to bridging legacy parallel buses, backplane interfaces, and asynchronous protocol converters. With 81 user I/Os and dedicated fast routing in the sea-of-modules fabric, designers map wide parallel data buses and generate handshaking state machines operating at toggle rates up to 263 MHz on the -1 speed grade. Instant-on antifuse configuration means the bridge is functional before host processors complete boot, which matters in systems where the FPGA must pass through early-bus traffic. Because the design is fixed after programming, bridge behavior is fully deterministic across every unit shipped, simplifying qualification for industrial and defense programs.
Recommended
Glue Logic Integration and BOM Reduction
A primary SX-A value proposition stated by Microchip is system-wide savings from integrating multiple functions into a low-cost single-chip solution. The A54SX16A-1TQG100I replaces clusters of 74xx MSI devices, GALs, and CPLDs with one 100-pin TQFP, shrinking board area, cutting assembly cost, and eliminating multi-vendor obsolescence risk. The 24,000 system gates comfortably hold address decoders, wait-state generators, interrupt controllers, and bus transceiver control. Compared with SRAM CPLDs, the antifuse fabric draws near-zero static current, valuable in always-on industrial equipment. The TQFP package supports straightforward rework and inspection, lowering total manufacturing cost for mid-volume boards.
Recommended
Test and Measurement Equipment
Bench and rack instrumentation benefits from the A54SX16A-1TQG100I as timing, trigger, and scanner control logic. The -1 speed grade supports toggling to 263 MHz, sufficient for trigger decision paths and event counters, while the 81 user I/Os interface front-panel switches, relays, and multiple measurement channels. One-time-programmable configuration guarantees that a calibration profile baked into the logic cannot drift or be corrupted by a failed configuration device, an advantage over SRAM FPGAs in fielded instruments. Low 2.5V-core static power reduces internal heating in enclosed instruments, easing thermal design within the -40C to +85C industrial envelope.
Recommended
Secure Embedded Systems
For embedded systems where firmware extraction is a concern, the A54SX16A-1TQG100I provides hardware-level protection: once antifuses are programmed, the interconnect pattern cannot be electrically read out, and there is no external configuration flash to clone. Designers host cryptographic helpers, secure boot-check logic, and license enforcement state machines across the 1452 CLBs. Combined with the instant-on fabric, security checks can run before the host CPU leaves reset. The industrial temperature grade supports deployed outdoor and unattended equipment, and the TQFP-100 footprint allows migration to higher-capacity A54SX32A variants if the trusted logic grows, without PCB respin.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-1TQG100I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-1TQG100M | A54SX16A-TQG100A | A54SX32A-1TQG100I | A54SX32A-2TQG100I |
|---|---|---|---|---|---|
| Package | 100-TQFP (TQG100) | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same | 100-TQFP (TQG100) - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 32000 (typical) | 32000 (typical) |
| Speed Grade | -1 (263 MHz toggle) | -1 (263 MHz) | -1 (263 MHz) | -1 | -2 (faster) |
| Temperature Grade | I (Industrial, -40C to +85C) | M (military range) | A grade | I (Industrial) | I (Industrial) |
| User I/O | 81 | 81 | 81 | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programmability | One-time programmable antifuse | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
Key Differentiators
- Instant-on operation with no configuration device (vs SRAM-based FPGAs (e.g., Xilinx Spartan family))
- Inherent design security (vs A54SX16A-TQG100A (same family, different grade))
- Field-proven footprint scalability (vs A54SX32A-1TQG100I)
Design Notes
The A54SX16A-1TQG100I is one-time programmable (antifuse). There is no design iteration on the same physical part - each programming run consumes a device. Complete thorough simulation (gate-level with timing back-annotation from Libero) before committing hardware. Order engineering quantities with the production build, and keep the programming file under revision control with a checksum tied to the board serial number for traceability.
The 2.5V core supply requires a clean, low-noise rail; the antifuse fabric draws near-zero static current, but dynamic power scales with toggle rate - at 263 MHz operation provide solid 2.5V and 3.3V I/O decoupling (100 nF ceramic per supply pin pair plus bulk 10 uF). Estimate: dynamic power is dominated by clocked cells, so gating unused clocks in the Libero design significantly reduces consumption versus leaving clocks free-running.
The 100-pin TQFP (0.5 mm lead pitch) requires careful PCB footprint adherence to the JEDEC-style TQFP-100 drawing in the SX-A family datasheet; use solder-mask-defined or non-solder-mask-defined pads per the datasheet recommendation. Place 100 nF decoupling capacitors within 3 mm of the power pins. The 1.4 mm package height allows inspection under the package body with angled cameras for AOI coverage of all four lead sides.
Compliance Information
Distributor listings (PCB Electronics, Jotrin) identify the A54SX16A-1TQG100I as lead free and RoHS compliant. REACH, halogen-free, and conflict-minerals status not stated in provided data.
