A54SX16A-1TQG144 - 24K-Gate Antifuse FPGA TQFP-144 | Microchip
MPN: A54SX16A-1TQG144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $141.2 | $141.20 |
| 10 | $134.15 | $1,341.50 |
| 60 | $130.62 | $7,837.20 |
| 120 | $126.3 | $15,156.00 |
| 1,000 | $118.5 | $118,500.00 |
A54SX16A-1TQG144 Overview
An antifuse FPGA is a type of field-programmable gate array in which programmable interconnect elements are one-time-programmable antifuse links. Unlike SRAM-based FPGAs, an antifuse device retains its configuration permanently, requires no external boot configuration memory, powers up instantly with its full function active, and is inherently resistant to configuration readback attacks. Within the programmable logic hierarchy, the A54SX16A sits in the mid-density segment of the SX-A family between the A54SX08A (8K gates) and A54SX32A (32K gates), and belongs to the broader category of one-time-programmable programmable logic devices.
Key features of the A54SX16A-1TQG144 include a sea-of-modules architecture with a fine-grained C-cell/R-cell logic module structure that delivers deterministic timing, performance up to 263 MHz, and a wide core supply range of 2.25V to 5.25V. The device uses a 0.25 um CMOS process and offers roughly 16,000 typical usable gates for design implementation out of the 24,000 equivalent system gates.
The SX-A architecture integrates combinational and sequential logic in dedicated modules, enabling designers to consolidate glue logic, bus interfaces, state machines, and control functions into a single low-cost chip. Because the programming antifuses are permanently set at the factory programming stage, the device offers high design security, low static power, and no configuration latency - key advantages over SRAM FPGAs for cost- and security-sensitive systems.
Typical applications include industrial control and automation, communication and networking interface bridging, military and aerospace systems requiring secure one-time-programmable logic, and replacement of multiple discrete TTL/CMOS glue-logic devices on legacy board designs.
A key design consideration is that the device is one-time-programmable: once programmed, the antifuse configuration cannot be changed, so design verification must be completed before committing to production programming. The TQFP-144 package with 1.4 mm height suits standard reflow assembly.
This page synthesizes distributor pricing, speed-grade and package-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for A54SX16A-1TQG144 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with A54SX16A-1TQG144 (same form factor and footprint) — differing in Package, System Gates, RoHS Status, Family, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX16A-1TQG144I
✅ Drop-In✓ In Stock
$24.95 / Unit
View Datasheet →A54SX16A-1TQG144M
✅ Drop-In✓ In Stock
$45.6 / Unit
View Datasheet →A54SX16A-TQG144A
✅ Drop-In✓ In Stock
$27.9 / Unit
View Datasheet →A54SX16A-2TQG144
✅ Drop-In✓ In Stock
$145 / Unit
View Datasheet →A54SX16A-2TQG144I
✅ Drop-In✓ In Stock
$25.9 / Unit
View Datasheet →A54SX16A-FTQG144
✅ Drop-In✓ In Stock
$75.54 / Unit
View Datasheet →A54SX16A-1TQG144 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 24000 |
| Typical Usable Gates | 16000 |
| Logic Cells / CLBs | 1452 |
| User I/O | 113 |
| Maximum System Frequency | 263 MHz |
| Technology | CMOS, 0.25 um |
| Programming Type | Antifuse (one-time programmable) |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Operating Temperature | -40C to +125C |
| Speed Grade | -1 |
| Package | 144-TQFP (TQG144), 20x20 mm |
| Package Height | 1.4 mm |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | RoHS3 Compliant |
A54SX16A-1TQG144 1.4 mm Pin Configuration Guide
Pin configuration for A54SX16A-1TQG144 (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 A54SX16A-1TQG144.
Refer to the datasheet for full pin configuration.
Typical Applications
A54SX16A-1TQG144 is suitable for 6 applications: Industrial Control and Automation, Secure and Defense Electronics, Glue Logic Consolidation on Legacy Boards, Communications and Networking Interface Bridging, Aerospace and Avionics Subsystems, Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX16A-1TQG144 fits industrial controllers because its -40C to +125C operating range and 2.25V to 5.25V wide supply tolerance handle electrically noisy factory environments with unstable rails. Its 24,000 system gates and 113 user I/O integrate PLC I/O interfaces, state machines, and bus bridges that would otherwise require dozens of discrete TTL/CMOS devices, reducing BOM count and board area. Because the antifuse configuration is non-volatile, the logic is fully operational the instant power is applied - critical for safety interlocks and machine-control sequencing that cannot wait for configuration download. Design the I/O with standard industrial buffering and verify timing at worst-case -1 speed grade across temperature.
Recommended
Secure and Defense Electronics
Antifuse FPGAs are favored in defense and secure systems because the programmed interconnect cannot be read back, cloned, or corrupted by radiation-induced configuration upsets - the A54SX16A-1TQG144 stores its function permanently in blown antifuse links rather than in an SRAM bitstream. The 24K-gate density suits secure communications glue logic, bus interfaces, and custom control cores, while the 144-pin TQFP supports conformally coated, board-space-constrained modules. Its one-time-programmable nature also eliminates the external flash that would otherwise be an attack surface. For temperature-extended programs, use the A54SX16A-1TQG144I or -M graded drop-ins on the identical footprint.
Recommended
Glue Logic Consolidation on Legacy Boards
The A54SX16A-1TQG144 is a natural replacement for boards assembled from many discrete 74-series TTL/CMOS devices: its fine-grained C-cell/R-cell sea-of-modules architecture maps address decoders, wait-state generators, bus transceivers, and interrupt controllers efficiently, and 16,000 typical usable gates cover most glue-logic clusters with headroom. Consolidating to one 144-pin TQFP cuts board area, assembly cost, and failure points. Because the antifuse device requires no configuration ROM, it drops into legacy power-up sequencing without firmware changes. Verify 5V-tolerant I/O requirements against the SX-A datasheet I/O specifications before replacing mixed-voltage TTL circuitry.
Recommended
Communications and Networking Interface Bridging
With system performance up to 263 MHz and deterministic antifuse routing delays, the A54SX16A-1TQG144 implements protocol bridges, serial-interface controllers, and backplane glue logic in networking line cards and telecom equipment. The deterministic timing of the SX-A architecture simplifies meeting fixed-latency interface requirements that are difficult with SRAM FPGA routing variability. Its 113 user I/O support multiple parallel data paths, and instant-on operation means links are established at power-up with no configuration delay. Use the -2 speed grade drop-in A54SX16A-2TQG144 if your timing closure is marginal at the -1 grade.
Recommended
Aerospace and Avionics Subsystems
The A54SX16A family is widely used in aerospace subsystems - avionics data buses, sensor interfaces, and instrument control - because antifuse configuration is immune to configuration memory single-event upsets and the part operates to +125C. The 144-pin TQFP with 1.4 mm profile suits COTS-based avionics boards where reflow assembly and low height matter. One-time programmability supports configuration control and configuration-management audits common in aerospace programs. Programmed once and verified, the device behaves as a fixed-function ASIC-like component, simplifying qualification. Select M- or I-grade variants for graded programs; all share the TQG144 footprint.
Recommended
Medical Instrumentation Control Logic
Medical diagnostic and monitoring equipment benefits from the A54SX16A-1TQG144's combination of instant-on deterministic logic, low static power from the 0.25 um CMOS antifuse process, and RoHS3-compliant assembly. Typical uses include sensor-interface sequencing, data-acquisition timing controllers, and front-panel/bus interfaces in analyzers and imaging subsystems where the logic must be operational before software boots. The one-time-programmable configuration supports the change-control rigor required in regulated medical device manufacturing - once released, the logic cannot drift or be accidentally altered. Consolidating discrete logic into one device also improves reliability statistics used in device risk assessments.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-1TQG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-1TQG144I | A54SX16A-1TQG144M | A54SX16A-2TQG144 | A54SX16A-2TQG144I | A54SX16A-FTQG144 |
|---|---|---|---|---|---|---|
| Package | 144-TQFP (TQG144) | 144-TQFP (TQG144) - same | 144-TQFP (TQG144) - same | 144-TQFP (TQG144) - same | 144-TQFP (TQG144) - same | 144-TQFP (TQG144) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 24000 | 24000 | 24000 |
| Logic Cells | 1452 | 1452 | 1452 | 1452 | 1452 | 1452 |
| User I/O | 113 | 113 | 113 | 113 | 113 | 113 |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
Key Differentiators
- Instant-on operation with no configuration memory (vs XC4000-class SRAM FPGAs (not pin-compatible))
- Design security via non-readable antifuse programming (vs SRAM-based FPGA competitors)
- Speed-grade upgradability on the same footprint (vs A54SX16A-2TQG144)
Design Notes
The A54SX16A-1TQG144 is one-time-programmable: antifuse links are permanently set during programming and cannot be erased or reconfigured. Complete full functional verification and timing closure in the Libero/Designer toolchain on engineering units before programming production devices. Also verify speed grade carefully - a design closed on a -2 part will not necessarily meet timing on the -1 grade. Ordering the wrong speed or temperature suffix (e.g., standard vs I/M grade) is one of the most common sourcing errors on this family, since all variants share one MPN stem.
Supply the core within the verified 2.25V to 5.25V range. Because antifuse FPGAs have no configuration current surge at power-up, inrush is limited to standard CMOS static and dynamic currents - simpler than SRAM FPGA power sequencing. Estimated: use a supply with at least 100 mA headroom above your measured static plus I/O load, and place 0.1 uF ceramic decoupling capacitors at each VCC pin of the TQFP-144 plus one bulk 10 uF per supply domain. Confirm exact ICC figures from the SX-A family datasheet power tables for your utilization.
The TQG144 package is a 20x20 mm 144-lead TQFP, 1.4 mm tall, with 0.5 mm lead pitch. Use a standard TQFP-144 land pattern with approximately 0.5 mm pitch non-solder-mask-defined pads and design pin-1 indexing to match package dot. Reflow soldering is recommended; wave soldering 0.5 mm-pitch QFPs risks bridging. For sourcing flexibility, lay out the footprint to accept any A54SX16A TQG144 speed/temperature grade (I, M, A, -1, -2), which enables drop-in substitution without PCB revision.
Compliance Information
RoHS3 compliant per Microchip USA product listing. REACH, halogen-free, and conflict-minerals status not stated in provided data.
