A54SX16A-2TQG144I - 24K Gate Antifuse FPGA, TQFP-144 | Microchip
MPN: A54SX16A-2TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.9 | $349.00 |
| 100 | $31.2 | $3,120.00 |
| 500 | $28.6 | $14,300.00 |
| 1,000 | $25.9 | $25,900.00 |
Drop-in alternatives for A54SX16A-2TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16A-2TQG144
✅ Drop-In✓ In Stock
$145 / Unit
View Datasheet →A54SX16A-1TQG144I
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$24.95 / Unit
View Datasheet →A54SX32A-2TQG144I
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View Datasheet →A54SX08A-2TQG144I
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$31.42 / Unit
View Datasheet →A54SX16A-2TQG144I Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 24000 |
| Logic Cells (Modules) | 1452 |
| User I/O | 113 |
| Maximum Toggle Frequency | 294 MHz |
| Speed Grade | -2 |
| Programming Technology | Antifuse (one-time programmable) |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | TQFP-144 (TQG144), 20x20 mm, 0.5 mm pitch |
| Package Height | 1.4 mm |
| Mounting Type | Surface Mount |
| Process Technology | CMOS |
| RoHS Status | Compliant (lead-free, TQG suffix) |
| Configuration Volatility | Non-volatile (antifuse) |
A54SX16A-2TQG144I 1.4 mm Pin Configuration Guide
Complete pinout information for A54SX16A-2TQG144I (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-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
A54SX16A-2TQG144I is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Secure Logic, Communications and Networking Line Cards, Legacy System Life Extension, Test and Measurement Instrumentation, Power-Up-Critical Embedded Systems.
Industrial Control and Automation
The A54SX16A-2TQG144I fits industrial control because its -40C to +85C industrial rating and non-volatile antifuse configuration eliminate boot-time configuration failures on factory floors where power cycling is frequent. With 24,000 system gates and 113 user I/O, a single device can replace dozens of 74-series TTL devices, PLD glue logic, and bus-interface buffers, cutting board area and BOM cost. It is typically deployed between a microcontroller and field I/O, implementing state machines, address decoding, and parallel-to-serial bridging. The 294 MHz toggle capability far exceeds industrial timing needs, providing timing margin across the full temperature range; the trade-off is one-time programmability, so pin assignment must be frozen before production programming.
Recommended
Aerospace and Defense Secure Logic
Antifuse FPGAs like the A54SX16A-2TQG144I are a mainstay in defense electronics because the programmed interconnect cannot be read back, protecting design IP from reverse engineering - a property SRAM FPGAs cannot match without bitstream encryption. The non-volatile fabric also provides instant-on operation for systems with strict startup latency requirements such as radar trigger logic and secure communications line cards. The industrial -40C to +85C rating covers most convection-cooled ground and airborne environments. Designers typically use this device for protocol adaptation, synchronization counters, and fail-safe interlocks. Note that for space or deep-military programs, Microchip's RT-series or higher-rel screening grades should be evaluated instead of the standard industrial part.
Recommended
Communications and Networking Line Cards
In telecom and datacom line cards, the A54SX16A-2TQG144I serves as backplane interface glue logic: bus switching, framing, elapse counters, and handshaking between PHY devices and backplane controllers. The 294 MHz toggle frequency supports line-card clock domains well above 100 MHz, and the -2 speed grade delivers deterministic antifuse routing delays, simplifying static timing closure compared to SRAM fabrics with reconfigurable routing. Because the configuration is permanent, systems power directly into operation - important for redundant carrier-grade hardware with hot-swap uptime requirements. The TQFP-144 package with 0.5 mm pitch assembles on standard telecom SMT lines without BGA inspection equipment, reducing manufacturing cost for mid-volume line-card production runs.
Recommended
Legacy System Life Extension
Many mature industrial, medical, and transport platforms were designed around obsolete PLDs, PALs, and TTL. The A54SX16A-2TQG144I consolidates that logic into one 24K-gate antifuse device, and because the SX-A family remains in production at Microchip, it is a sustainable obsolescence-mitigation target. The 2.25V to 5.25V supply range lets it interface directly with legacy 5V and 3.3V bus structures that modern 1.2V-core FPGAs cannot tolerate without level shifters. Design migration consists of capturing the legacy netlists into the Microchip Designer flow, reassigning pins to the TQFP-144 footprint, and committing to one-time programming. A54SX32A-2TQG144I provides a footprint-compatible growth path if legacy logic exceeds 24K gates during capture.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment benefits from the A54SX16A-2TQG144I's deterministic antifuse timing: trigger generators, counter/timer chains, and measurement sequencers exhibit repeatable propagation delay independent of configuration reloads. With a 294 MHz toggle capability and 113 user I/O, one device can implement timing generators, comparator handshake logic, and IEEE-style interface glue between an instrument MCU and its analog front end. The instant-on antifuse fabric means instruments are ready at power switch-on with no configuration load window - critical for turnkey test stations that must run unattended. Designers should budget for one-time programming and keep a socketed development unit in the -1 speed grade for iteration before burning -2 production devices.
Recommended
Power-Up-Critical Embedded Systems
Systems that must become functional within milliseconds of power application - interlocks, safety monitors, motor-drive sequencers - gain from the antifuse fabric's zero configuration latency. Unlike SRAM FPGAs that spend tens to hundreds of milliseconds loading a bitstream, the A54SX16A-2TQG144I begins operating as soon as supply rails settle, with configuration permanently stored in silicon. Combined with the -40C to +85C industrial rating and 2.25V to 5.25V supply flexibility, it integrates safety shutdown logic directly adjacent to power-conversion circuitry. Typical usage implements watchdog comparators, startup sequencers, and fault-latching state machines. The one-time-programmable nature also prevents configuration corruption from brownouts, a documented failure mode of flash-based programmable logic in noisy power environments.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-2TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-2TQG144 | A54SX16A-1TQG144I | A54SX32A-2TQG144I | A54SX08A-2TQG144I |
|---|---|---|---|---|---|
| Package | TQFP-144 (TQG144), 20x20 mm | TQFP-144 - same footprint | TQFP-144 - same footprint | TQFP-144 - same footprint | TQFP-144 - same footprint |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 36000 [DATA_NEEDED] | 8000 [DATA_NEEDED] |
| Logic Cells (Modules) | 1452 | 1452 | 1452 | [DATA_NEEDED] | [DATA_NEEDED] |
| User I/O | 113 | 113 | 113 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -2 (294 MHz) | -2 (294 MHz) | -1 (slower) | -2 | -2 |
| Operating Temperature | -40C to +85C (Industrial) | Commercial (0C to +70C) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| RoHS / Lead-Free | Compliant (TQG lead-free) | Compliant (TQG) | Compliant (TQG) | Compliant (TQG) | Compliant (TQG) |
Key Differentiators
- Industrial temperature with fastest -2 speed grade in same footprint (vs A54SX16A-1TQG144I)
- RoHS lead-free TQG package with industrial rating (vs A54SX16A-2TQG144)
- Optimal 24K-gate capacity point (vs A54SX32A-2TQG144I)
Design Notes
Antifuse FPGAs are one-time programmable. Commit a design only after full functional simulation and, ideally, validation on a development unit. Keep the pin-assignment (pin report) from Microchip Designer under version control - pin locations differ between dies even in the same TQFP-144 footprint, so do not assume an A54SX16A pin map transfers to A54SX32A or A54SX08A without re-export from the toolchain.
Estimated: CMOS static power scales with clock frequency and toggle activity. The wide 2.25V to 5.25V supply range means dynamic power roughly scales with V^2 - operating at 5V instead of 3.3V increases dynamic dissipation by approximately 2.3x. Choose the lowest supply voltage compatible with your I/O standards, and decouple each VCC pin pair with 0.1 uF ceramics placed within 2 mm of the package, plus one 10 uF bulk capacitor per rail.
The TQFP-144 has 0.5 mm lead pitch; specify solder-mask-defined or non-solder-mask-defined pads per IPC-7351 guidance used in your fab, and keep fan-out vias at 0.3 mm drill with dogbone escapes to avoid assembly bridging. Provide an exposed ground pour under the 20x20 mm body with multiple ground vias to reduce ground bounce across the 113 I/O. Follow the Microsemi SX-A datasheet layout recommendations for programming-pin routing so production programming fixtures can access the device after assembly.
When multiple 113-I/O banks switch simultaneously, ground bounce can corrupt inputs on the same side of the package. Assign high-slew outputs away from sensitive inputs, enable the device's output slew control where available, and insert small series resistors (22-33 ohm) on fast edges driving ribbon cables or backplanes. Verify timing with the -2 speed-grade library; if migrating to A54SX16A-1TQG144I, re-run static timing because -1 devices derate path delays.
Compliance Information
RoHS compliance and lead-free status confirmed via TQG lead-free package suffix and FindIC/distributor listings. AEC-Q100 qualification not stated in provided data; the SX-A family targets industrial, not automotive.
