A54SX08A-2TQG144I - 12K Gate FPGA, 113 I/O, TQFP-144 | Microchip
MPN: A54SX08A-2TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $43.65 | $436.50 |
| 100 | $38.8 | $3,880.00 |
| 500 | $34.92 | $17,460.00 |
| 1,000 | $31.42 | $31,420.00 |
Drop-in alternatives for A54SX08A-2TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08A-TQG144A
✅ Drop-In✓ In Stock
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View Datasheet →A54SX32A-1TQG144I
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View Datasheet →A54SX32A-2TQG144I
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View Datasheet →A54SX32A-TQG144A
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$72 / Unit
View Datasheet →A54SX08A-FGG144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX08A-2TQG144I Maximum Ratings & Electrical Characteristics
| System Gates | 12000 |
| Logic Cells | 768 |
| Configurable Logic Blocks (CLBs) | 768 |
| Maximum Frequency | 313 MHz |
| User I/O | 113 |
| Speed Grade | -2 |
| Programming Technology | Antifuse (One-Time Programmable) |
| Process Technology | CMOS |
| Package | TQFP-144 (TQG144), 1.4 mm height |
| Mounting Type | Surface Mount |
| Temperature Grade | I (Industrial) |
| RoHS Status | RoHS Compliant |
| Lead Free | Yes |
| Product Family | SX-A |
| Configuration | Non-volatile, no external configuration device required |
A54SX08A-2TQG144I tqfp-144 (tqg144), 1.4 mm height Pin Configuration Guide
Complete pinout information for A54SX08A-2TQG144I (tqfp-144 (tqg144), 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 A54SX08A-2TQG144I.
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-2TQG144I is suitable for 6 applications: Industrial Automation and Control, Secure and Military-Grade Systems, Telecommunications Line-Card Glue Logic, Test and Measurement Instrumentation, Legacy Design Re-Sourcing and Obsolescence Mitigation, Embedded Coprocessor and Bus Bridging.
Industrial Automation and Control
The A54SX08A-2TQG144I fits industrial control because its industrial temperature grade, 113 user I/Os, and instant-on antifuse configuration address the core requirements of factory-floor logic: wide ambient tolerance, immediate availability at power-up, and no external configuration device that could fail. In a PLC I/O card, the 768 logic cells implement state machines, encoders/decoders, and bus interfaces between a microcontroller and field-side drivers, while the 313 MHz fabric ceiling comfortably covers typical 10-50 MHz control clock domains. Placed in the TQG144 footprint, it consolidates dozens of 74-series glue-logic packages into one chip, cutting BOM count and assembly cost. Design consideration: because the device is one-time programmable, freeze the RTL after simulation sign-off, since field firmware-style updates are impossible.
Recommended
Secure and Military-Grade Systems
Antifuse FPGAs are a mainstay in defense electronics because configuration is hard-wired and cannot be read back, cloned, or glitched through configuration paths - a property the SRAM-based competitors cannot match. The A54SX08A-2TQG144I provides 12,000 system gates of secure logic in a compact, solderable TQFP-144 with 113 I/Os, suited to radar interface boards, missile electronics glue logic, and secure communication line cards. Non-volatility eliminates the configuration PROM from the BOM, which removes an attack surface and improves reliability in high-shock environments. Performance is adequate for interface bridging at moderate clock rates within the 313 MHz fabric limit. Note that industrial (I) grading may not meet full MIL-temperature requirements; consult Microchip for military flow options where mandated.
Recommended
Telecommunications Line-Card Glue Logic
Telecom line cards historically filled with PALs, GALs, and 74-series logic; the A54SX08A-2TQG144I integrates that glue into one 12K-gate, 113-I/O device whose antifuse fabric runs comfortably above the T1/E1 and backplane clock domains in this class. Non-volatile configuration means the card enumerates and becomes active the moment power is applied - important in redundant carrier systems that must recover without a boot sequence. The TQG144 surface-mount package supports standard automated assembly, and the CMOS antifuse technology keeps static power low in always-on central-office equipment. Because one-time programming prevents post-deployment logic updates, carry spare pre-programmed devices as field-replacement units rather than attempting in-system reconfiguration.
Recommended
Test and Measurement Instrumentation
Bench and rack instrumentation benefits from the A54SX08A-2TQG144I's deterministic, instant-on behavior: the instrument is ready the moment power is applied because antifuse configuration requires no load cycle. The 768 logic cells implement trigger logic, counters, address decoders, and front-panel bus interfaces, while 113 user I/Os connect to ADCs, DACs, and display drivers across the TQG144 pin ring. The 313 MHz fabric capability supports fast timing measurement circuits at moderate complexity. Since measurement hardware is firmware-frozen at production and revisions occur at the board level rather than in the field, the one-time-programmable constraint is acceptable. For instruments needing more logic later, the same footprint accepts the pin-compatible A54SX32A TQG144 devices, protecting the PCB layout investment.
Recommended
Legacy Design Re-Sourcing and Obsolescence Mitigation
Many mature designs were built on Actel SX-A devices and now face supply gaps; the A54SX08A-2TQG144I remains active and listed in stock at major distributors (DigiKey confirms ships-today availability as of 2026-09-03), making it a legitimate re-sourcing target for programs still using the original A54SX08A-2TQ144I-style parts. Because the SX-A family shares the TQG144 pinout across densities, buyers can also qualify A54SX32A-1TQG144I or A54SX32A-2TQG144I as second sources on the same PCB, requiring only a design recompile in Microchip Libero and reprogramming. When qualifying alternates, verify industrial temperature grading and speed grade (-1 vs -2) against timing closure, since the lower-cost A54SX08A-TQG144A differs in temperature range.
Recommended
Embedded Coprocessor and Bus Bridging
In embedded systems, the A54SX08A-2TQG144I works as a hardwired coprocessor bridging a host processor to peripherals whose buses the MCU cannot natively serve. The 12,000-gate fabric implements dual-port buffers, address generators, CRC units, and parallel-to-serial converters, while 113 user I/Os cover wide parallel buses plus control strobes. Because the antifuse configuration is non-volatile, the bridge is active during host boot, which simplifies power-on sequencing versus SRAM FPGAs that need a configuration controller. At 313 MHz maximum fabric speed, real-time protocol translation at tens of MHz is practical. Trade-off: OTP silicon means the bridge protocol cannot be patched; reserve this device for stable, verified interfaces and use the same-footprint A54SX32A devices when headroom is uncertain.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08A-2TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08A-TQG144A | A54SX32A-1TQG144I | A54SX32A-2TQG144I | A54SX32A-TQG144A |
|---|---|---|---|---|---|
| Package | TQFP-144 (TQG144) | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same | TQFP-144 (TQG144) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 12000 | 12000 | 32000 | 32000 | 32000 |
| Logic Cells | 768 | 768 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Maximum Frequency | 313 MHz | [DATA_NEEDED] | [DATA_NEEDED] | 313 MHz-class (-2 speed grade) | [DATA_NEEDED] |
| User I/O | 113 | 113 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Temperature Grade | Industrial (I) | Commercial (A) | Industrial (I) | Industrial (I) | Commercial (A) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| RoHS Compliance | Compliant | [DATA_NEEDED] | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) |
Key Differentiators
- Industrial temperature grade at entry-level cost (vs A54SX08A-TQG144A)
- Lowest-cost capacity point in the same footprint (vs A54SX32A-2TQG144I)
- Non-volatile antifuse with no boot device (vs A54SX32A-TQG144A)
- Trade-off: modest logic density (vs A54SX32A-1TQG144I)
Design Notes
The A54SX08A-2TQG144I uses antifuse one-time-programmable technology: once programmed, the configuration is permanent and the device cannot be reprogrammed or erased. Freeze RTL after simulation and timing closure sign-off, and program a small pilot lot before committing a full production reel. Budget one extra programmed spare per system for field returns, since configuration fixes require a fresh device and a soldering operation rather than a field update.
The TQG144 TQFP has a 1.4 mm package height with fine-pitch leads - verify your land pattern against the SX-A family datasheet package section and use a 0.5 mm-pitch-compatible stencil design. Because the SX-A TQG144 pinout is shared across the A54SX08A/SX16A/SX32A family, lay out the board with the larger A54SX32A I/O assignments in mind if an in-place capacity upgrade is anticipated; unused I/O balls of smaller devices remain accessible on the same footprint.
The SX-A family operates from a low-voltage CMOS supply; confirm the exact core and I/O voltage rails in the SX-A datasheet power section before layout, and decouple each supply pin pair on the TQG144 ring with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus bulk capacitance near the package. Antifuse devices draw low static current, so thermal design is usually trivial - a solid ground plane under the package suffices at 12K-gate utilization levels.
With up to 313 MHz internal fabric capability, keep clock routing short and series-terminate long lines leaving the package at speed-grade-relevant frequencies. The 113 user I/Os share TQFP lead inductance with ground returns; assign switching-heavy outputs to pins adjacent to ground/power pins in your pinout file to reduce simultaneous-switching noise, which matters more on QFP packages than on flip-chip BGAs in the same family.
Compliance Information
RoHS compliant and lead free per Jotrin Electronics listing of Microsemi device data ('ROHS COMPLIANT', 'Lead Free'). REACH, halogen-free, and conflict-minerals status not stated in provided data.
