A54SX32A-2TQG100 - 48K-Gate SX-A FPGA 313MHz TQFP-100 | Microchip
MPN: A54SX32A-2TQG100 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $210 | $210.00 |
| 10 | $202 | $2,020.00 |
| 100 | $196 | $19,600.00 |
| 500 | $191 | $95,500.00 |
| 1,000 | $187.85 | $187,850.00 |
Drop-in alternatives for A54SX32A-2TQG100 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX32A-2TQG100I
✅ Drop-In✓ In Stock
$22.8 / Unit
View Datasheet →A54SX32A-1TQG100
✅ Drop-In✓ In Stock
$21.75 / Unit
View Datasheet →A54SX32A-TQ100
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16A-TQG100
✅ Drop-In✓ In Stock
$20.8 / Unit
View Datasheet →A54SX32A-2TQG100 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 48,000 (32,000 typical gates) |
| Logic Cells / CLBs | 2,880 |
| Maximum Toggle Frequency | 313 MHz |
| Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| User I/O | 81 |
| Package | TQFP-100 (PQFP100) |
| Package Height | 1.4 mm |
| Terminal Pitch | 0.5 mm |
| Speed Grade | -2 |
| Programming Technology | Antifuse (one-time programmable) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | RoHS Compliant / Lead free |
A54SX32A-2TQG100 1.4 mm Pin Configuration Guide
Complete pinout information for A54SX32A-2TQG100 (1.4 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 A54SX32A-2TQG100.
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
A54SX32A-2TQG100 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Interface Logic, Avionics and Defense Systems, Single-Chip Logic Integration (ASIC Prototyping Bridge), Consumer Electronics and Computing Platforms, Test and Measurement Equipment.
Industrial Control and Automation
The A54SX32A-2TQG100 consolidates PLC glue logic, I/O decoding, state machines, and bus interfaces into one 48K-gate antifuse device, reducing BOM count and board area versus discrete 74-series logic. Its instant-on antifuse configuration means the FPGA is functional within nanoseconds of power application - no configuration load time - which matters for safety interlocks and sequencers in factory automation. Running from a 2.5V core with CMOS 0.25 um technology, static power stays low in always-on control cabinets. The 81 user I/Os in TQFP-100 at 0.5 mm pitch map directly to backplane and sensor connections. For plants with ambient extremes, the pin-identical A54SX32A-2TQG100I industrial variant is the recommended substitution.
Recommended
Communications and Networking Interface Logic
With a -2 speed grade toggle rate of 313 MHz, the A54SX32A-2TQG100 handles protocol bridging, clock dividers, FIFO and address-decode logic on line cards and networking backplanes. The sea-of-modules architecture of the SX-A family delivers deterministic routing delays, simplifying timing closure for multi-gigahertz-system glue logic that frames slower peripheral interfaces. Designers use the 81 user I/Os to terminate processor local buses, PHY sidebands, and backplane control signals in a single 100-pin TQFP occupying roughly 14 x 14 mm of board space. Because the antifuse configuration cannot be read back, the part also suits telecom equipment where bitstream confidentiality is a procurement requirement.
Recommended
Avionics and Defense Systems
Antifuse FPGAs are a mainstay in avionics and defense because the programmed interconnect is permanent, radiation-tolerant in behavior against configuration upset, and stores no external bitstream that could be intercepted or corrupted. The A54SX32A-2TQG100 provides 32,000 typical gates for telemetry encoders, bus interface state machines, and discrete-signal conditioning in black-box and ground-support equipment. Instant-on operation removes boot-time configuration dependencies required by SRAM FPGAs, a benefit for power-cycled mission hardware. Choose the A54SX32A-2TQG100I variant for extended temperature ranges; it is pin-identical in the same TQFP-100 package, so one PCB layout covers both programs.
Recommended
Single-Chip Logic Integration (ASIC Prototyping Bridge)
Microchip positions SX-A devices to 'generate system-wide savings by integrating multiple functions into a low-cost, single-chip solution.' The A54SX32A-2TQG100 absorbs 32,000 typical gates of ASSP support logic, address decoders, and interface adapters that would otherwise be several SSI/MSI devices. Compared with an ASIC, it avoids NRE and mask costs while the antifuse gives ASIC-like permanence and security at production volumes; compared with SRAM FPGAs it eliminates the configuration PROM and boot sequence. The 313 MHz -2 grade supports performance-intensive sections of the integration. Note the one-time-programmable fabric requires full pre-programming simulation, since there is no rework path after a design change.
Recommended
Consumer Electronics and Computing Platforms
In consumer and computing hardware, the A54SX32A-2TQG100 serves as flexible system glue: BIOS decode, DMA handshake logic, LED and button scanning, and peripheral handshaking between a commodity CPU and custom boards. The 2.5V core aligns with legacy 2.5V rails, and the 0.25 um CMOS process keeps static draw negligible for standby-power-sensitive designs. The 100-pin TQFP with 0.5 mm pitch is hand-assemblable at prototype volumes and reflow-compatible in production, with a low 1.4 mm profile for slim enclosures. Because the configuration is fixed at programming, the fielded product cannot be corrupted by a failed bitstream download - a reliability edge over SRAM FPGAs in cost-sensitive consumer goods.
Recommended
Test and Measurement Equipment
Bench instruments and rack modules use the A54SX32A-2TQG100 for trigger logic, counter/timer implementations, and communication bridges between front-end circuitry and a main processor. The deterministic pin-to-pin delays of the antifuse sea-of-modules fabric make measured timing predictable across units - important for calibration repeatability. At a 313 MHz maximum toggle rate, the -2 grade covers prescaler and event-counter roles in mid-range instrumentation. The 81 user I/Os terminate front-panel controls, ADC control buses, and inter-module sync lines. The instant-on antifuse configuration means instruments are ready immediately at power-up, with no configuration controller or boot firmware dependency in the measurement path.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-2TQG100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-2TQG100I | A54SX32A-1TQG100 | A54SX32A-TQ100 | A54SX16A-TQG100 |
|---|---|---|---|---|---|
| Package | TQFP-100 | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 | 48,000 | 48,000 | 48,000 | 24,000 (SX16A die) |
| Logic Cells | 2,880 | 2,880 | 2,880 | 2,880 | 1,452 (SX16A die) |
| Max Toggle Frequency | 313 MHz | 313 MHz | 238-278 MHz (-1 grade) | 278 MHz (standard grade) | [DATA_NEEDED] |
| Temperature Grade | Commercial | Industrial | Commercial | Commercial | Commercial |
| 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) |
Key Differentiators
- Fastest commercial speed grade in the TQFP-100 footprint (vs A54SX32A-1TQG100)
- Extended-temperature drop-in option on the identical die (vs A54SX32A-2TQG100I)
- Double the logic density of the same-footprint SX16A (vs A54SX16A-TQG100)
Design Notes
The SX-A antifuse fabric is one-time programmable. Unlike SRAM FPGAs, there is no rework path once the device is programmed - a functional bug means scrapping the IC. Run complete post-layout simulation and static timing analysis in Libero SoC (Microchip's successor to Actel Designer) against -2 speed-grade timing models before releasing the programming file. Verify the programming file targets exactly the A54SX32A die and TQFP-100 package; a file generated for another package variant can mis-program bank assignments.
The A54SX32A operates from a single 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 supply pin pair plus at least one bulk 10 uF capacitor per device. Because the antifuse fabric draws no configuration current and standby power is inherently low, the dominant dynamic term is clock-tree and routing capacitance at frequencies up to 313 MHz - estimate dynamic current from your design's placement report rather than assuming a fixed figure, and budget the rail accordingly.
The TQFP-100 land pattern uses a 0.5 mm lead pitch with a 1.4 mm package height per verified data. Use an NSMD pad geometry per the SX-A datasheet mechanical drawing and keep thermal relief short on ground pins. Pin 1 is marked by a dot on the top-left; orient the silkscreen accordingly. The exposed lead-frame has no thermal pad, so heat exits through the leads - at SX32A power levels a standard 2-layer board with solid ground pour is generally adequate, but confirm junction temperature against the datasheet thermal table for your ambient.
Compliance Information
Verified web data (xsourcepart, FindIC) states RoHS Compliant / Lead free for the TQFP-100 package. REACH, halogen-free, and conflict minerals declarations not stated in provided data.
