A54SX16A-1TQG144I - 16K Gate FPGA, TQFP-144 | Microchip
MPN: A54SX16A-1TQG144I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.65 | $346.50 |
| 100 | $30.8 | $3,080.00 |
| 500 | $27.72 | $13,860.00 |
| 1,000 | $24.95 | $24,950.00 |
Drop-in alternatives for A54SX16A-1TQG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-2TQG144I
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View Datasheet →A54SX16A-TQG144A
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View Datasheet →A54SX16A-1TQG144I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 24000 |
| Logic Gates | 16 K |
| Logic Cells | 924 |
| CLBs | 1452 |
| Maximum Toggle Frequency | 263 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| User I/O | 113 |
| Speed Grade | -1 |
| Package | TQFP-144 (PQFP144) |
| Package Height | 1.4 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Programming Technology | Antifuse (one-time programmable) |
| RoHS Status | Compliant |
| Lead Free | Yes (G suffix) |
A54SX16A-1TQG144I 1.4 mm Pin Configuration Guide
Complete pinout information for A54SX16A-1TQG144I (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-1TQG144I.
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-1TQG144I is suitable for 6 applications: Industrial Control and Automation, Aviation and Defense Subsystems, Glue Logic Consolidation, Communications Bridging and Line-Card Interface, ASIC Prototyping and Low-Volume Production, Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX16A-1TQG144I fits industrial control cards that consolidate glue logic, bus arbitration, and sequencing state machines into one 24,000-gate antifuse device. Its 113 user I/O in TQFP-144 can interface PLC backplanes, encoders, and sensor buses, while the 263 MHz toggle capability easily covers motor PWM and interlock logic running at a few tens of MHz. The industrial -40C to +85C rating matches factory-floor ambient requirements without external thermal management. Because the antifuse fabric is non-volatile, the controller boots instantly at power-up with no configuration device, improving fault recovery time in continuous-process equipment. Designers typically place the FPGA between a microprocessor and I/O drivers, using the 2.5V core with appropriate I/O bank voltages for 3.3V signaling.
Recommended
Aviation and Defense Subsystems
Antifuse FPGAs have historically been favored in aviation and defense electronics because their one-time-programmable fabric offers strong configuration security: there is no SRAM bitstream to intercept or corrupt, and no configuration PROM to single-point-fail. The A54SX16A-1TQG144I serves interface bridging, ARINC-style bus adaptation, and discrete signal processing in such subsystems. The M-suffix sibling A54SX16A-1TQG144M extends temperature screening for harsher environments while keeping the identical TQFP-144 footprint, enabling a single PCB design across commercial and military builds. The 24,000 system gates accommodate protocol framing, voting logic, and built-in-test functions, while the 2.5V core limits power draw in convection- or conduction-cooled enclosures where every watt matters.
Recommended
Glue Logic Consolidation
A classic use of the SX16A is replacing dozens of 74-series logic devices, PALs, and GALs with a single 144-pin TQFP device. At 924 logic cells and 113 user I/O, the A54SX16A-1TQG144I absorbs address decoders, bus transceivers, interrupt controllers, and reset sequencing that would otherwise occupy several square inches of PCB. Consolidation reduces BOM count, assembly cost, and propagation-skew variability, since inter-block routing inside the antifuse fabric is faster and more deterministic than multi-chip discrete paths. The 263 MHz toggle rate gives ample margin even when replicating fast combinational chains. Designers should budget I/O carefully in the Microchip design tools because the 113 user I/O limit, not gate count, is usually the binding constraint in glue-logic consolidation projects.
Recommended
Communications Bridging and Line-Card Interface
In telecom and datacom line cards, the A54SX16A-1TQG144I bridges processor buses to framer, PHY, and backplane interfaces. Its fast flip-flops and 263 MHz fabric support FIFO control, HDLC framing assists, and clock-domain crossing logic at line rates typical of T1/E1 and legacy packet systems. The TQFP-144 package with 113 user I/O provides enough pins for parallel data buses plus control strobes without resorting to fine-pitch BGA assembly. Antifuse non-volatility means the card is active immediately on hot-swap power application, which simplifies redundant-architecture bring-up where a configuration load delay is unacceptable. Decouple the 2.5V core per datasheet guidance and keep global clock inputs on dedicated GCK pins for minimum jitter.
Recommended
ASIC Prototyping and Low-Volume Production
Before committing to an ASIC mask set, engineers use the SX16A to prototype control logic and verify interface behavior on real hardware. With 24,000 system gates, the A54SX16A-1TQG144I can host moderate-size ASIC blocks, and its deterministic antifuse routing makes measured timing reasonably predictive of final silicon. For production volumes too low to amortize mask costs, the same FPGA simply stays in the product - a common pattern in industrial and mil-aero equipment. Because the device is one-time programmable, allocate multiple units per iteration during prototyping and reserve the -1 speed grade margin in timing closure. When designs outgrow 16K gates, the identical TQFP-144 footprint of A54SX32A-1TQG144I allows a drop-in capacity upgrade without PCB respin.
Recommended
Medical Instrumentation Control Logic
Medical devices with long service lifetimes benefit from the stable, in-production legacy status of the SX-A family and from antifuse non-volatility: an instrument powers up into a known-secure logic state with no external configuration memory that could fail regulatory re-verification. The A54SX16A-1TQG144I handles front-end sequencing for imaging and diagnostic equipment - gain stepping, sample gating, safety interlocks - where 16K gates and 113 I/O cover typical sensor-interface needs. The industrial -40C to +85C rating covers sterilization-adjacent ambient extremes. Its 2.5V core and low static power suit battery-backed monitor subsystems. Design teams must document the fixed, one-time-programmed configuration as part of design-history files, which is actually simpler than managing reconfigurable bitstream versions.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-1TQG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-2TQG144I | A54SX32A-1TQG144I | A54SX16A-1TQG144M | A54SX16A-TQG144A | A54SX32-TQ144I |
|---|---|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 36000 (SX32A) | 36000 (SX32A) | 24000 | 24000 | 32000 (SX32) |
| Logic Cells | 924 | [DATA_NEEDED] | [DATA_NEEDED] | 924 | 924 | [DATA_NEEDED] |
| Speed Grade / Toggle Rate | -1 / 263 MHz | -2 (faster) | -1 | -1 | standard (A) | [DATA_NEEDED] |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V (SX family) |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | M (extended/military screening) | A (standard/commercial screening) | -40C to +85C (I) |
| RoHS / Lead Free | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) |
| Lifecycle Status | Active (legacy, in production) | Active (legacy) | Active (legacy) | Active (legacy) | Active (legacy; in stock at microchipdirect) | Legacy SX generation (verify with Microchip) |
Key Differentiators
- Secure, non-volatile antifuse fabric (vs A54SX32A-2TQG144I)
- Lower-cost than military-screened sibling (vs A54SX16A-1TQG144M)
- Newer SX-A architecture vs legacy SX (vs A54SX32-TQ144I)
Design Notes
The A54SX16A-1TQG144I runs from a 2.5V core per the SX-A 0.25 um process. Provide a low-noise 2.5V rail decoupled with bulk (10 uF) plus 0.1 uF ceramic capacitors placed within a few millimeters of the TQFP-144 VCC pins. Because antifuse devices draw essentially no configuration current and static power is low, rail sizing is dominated by dynamic I/O switching current - size the regulator for worst-case 113 I/O toggling, not for fabric utilization.
Antifuse programming is irreversible. Never treat an A54SX16A-1TQG144I as an iteratively reprogrammable prototype: each timing or logic change requires a new physical device. Complete HDL simulation and timing analysis in the Microchip (Actel/Microsemi) design tools before submitting to the programmer, and order spare units for the debug cycle. Also avoid reusing SX16 (non-A) pinout files - verify all 144 pin assignments against the SX-A datasheet pin tables.
TQFP-144 is a 0.5 mm-pitch leaded package; design land patterns per the Microchip package drawing and use solder-mask-defined or non-solder-mask-defined pads consistently. Keep global clock signals on dedicated GCK pins and route them as short, guarded traces to minimize skew across the 113 user I/O. A solid ground plane under the device and return-via discipline for I/O banks will contain EMI from fast switching edges.
Compliance Information
ROHS COMPLIANT and LEAD FREE per FindIC/Jotrin/Kynix listings; G suffix denotes lead-free package. REACH, halogen-free, and conflict-minerals status not stated in verified data.
