A54SX16A-PQG208M - 16K Gate Antifuse FPGA, 208-PQFP | Microchip
MPN: A54SX16A-PQG208M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $451.23 | $451.23 |
| 10 | $451.23 | $4,512.30 |
| 100 | $451.23 | $45,123.00 |
| 500 | $451.23 | $225,615.00 |
| 1,000 | $451.23 | $451,230.00 |
Drop-in alternatives for A54SX16A-PQG208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16A-2PQG208
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View Datasheet →A54SX16-1PQG208I
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View Datasheet →A54SX16-2PQG208I
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View Datasheet →A54SX16-PQG208I
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View Datasheet →A54SX16-2PQG208
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View Datasheet →A54SX32-PQG208M
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View Datasheet →A54SX08-PQG208
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View Datasheet →A54SX16A-PQG208M Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 16000 gates |
| Logic Cells | 924 cells |
| User I/O | 175 |
| Max System Performance | 227 MHz (Military) |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25um / 0.22um CMOS |
| Programmability | One-time programmable (antifuse) |
| Package | 208-Pin PQFP (PQG208) |
| Mounting Type | Surface Mount |
| Speed Grade / Temp Grade Suffix | M (Military) |
| Configuration Storage | Non-volatile (no external config device required) |
| Category | FPGAs (Field Programmable Gate Array) |
| RoHS Status | Lead free / RoHS Compliant |
A54SX16A-PQG208M 208-pin pqfp (pqg208) Pin Configuration Guide
Complete pinout information for A54SX16A-PQG208M (208-pin pqfp (pqg208) 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-PQG208M.
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-PQG208M is suitable for 6 applications: Military and Avionics Glue Logic, Secure Single-Chip System Integration, Communication System Bridging, Industrial Control and Automation, Test and Measurement Instrumentation, Legacy Design Emulation and Obsolescence Bridging.
Military and Avionics Glue Logic
The A54SX16A-PQG208M is a natural fit for military and avionics glue logic because the 'M' military temperature suffix guarantees operation across the full military range (with the family's 227 MHz military performance rating), while antifuse configuration is inherently non-volatile and immune to configuration upsets from power glitches. Its 16K gates and 924 cells absorb address decoders, bus transceivers, interrupt controllers, and state machines that would otherwise need multiple discrete parts. In a single 208-pin PQFP at a 2.5V core, designers replace 5-10 SSI/MSI devices, reducing board area, component count, and failure modes - key for MIL-STD program reliability targets. Place between processors and peripheral buses with matched 2.5V/3.3V I/O banking; the deterministic antifuse routing keeps interconnect delays fixed, simplifying worst-case timing analysis required in defense certification.
Recommended
Secure Single-Chip System Integration
Antifuse FPGAs like the A54SX16A-PQG208M are widely used where design security matters: there is no external configuration bitstream to intercept, clone, or corrupt, because the programmed interconnect is burned permanently into the silicon. The 16K-gate capacity integrates proprietary interface logic, encryption glue, or authentication state machines into one chip, and the PQG208 package hides internal routing from visual reverse engineering. At 227 MHz internal performance and 0.22um CMOS, the device supports moderately complex security sequencing while drawing low static power at a 2.5V core. Typical deployments include secure boot controllers, key-management glue in defense radios, and tamper-resistant industrial controllers. Designers should finalize the security logic before programming since the one-time-programmable fabric cannot be re-flashed; simulation sign-off in Microchip Designer is the gate to production programming.
Recommended
Communication System Bridging
The SX-A family's combination of 227 MHz internal performance and deterministic antifuse routing suits communication bridging tasks such as protocol conversion, FIFO interfacing, and backplane bus translation. The A54SX16A-PQG208M provides 175 user I/O, enough to terminate wide parallel buses (e.g., 16- or 32-bit data paths plus control) in one package, and the 208-pin PQFP offers practical gull-wing pitch for repairable communication line cards. At a 2.5V core with low toggle-rate power consumption typical of antifuse fabrics, the device fits thermally constrained telecom shelves without heatsinks at moderate utilization. Because routing delays are fixed after programming, timing closure for cross-domain bridges is predictable, which shortens design cycles for legacy interface conversions where field reconfiguration is not needed and non-volatile instant-on startup is an advantage over SRAM FPGAs.
Recommended
Industrial Control and Automation
In industrial controllers, the A54SX16A-PQG208M consolidates PLC I/O decoding, encoder interfaces, and interlock logic into a single 16K-gate, 175-I/O antifuse FPGA. Instant-on operation - no configuration load time - means the controller is live within nanoseconds of power application, an advantage for safety interlocks that must not miss events during boot. The one-time-programmable configuration also protects fielded machines from unauthorized logic modification, and RoHS-compliant lead-free construction meets modern industrial environmental requirements. Operating from a 2.5V core supply with the SX-A family's low static power, the device suits sealed enclosures with limited airflow. The 208-pin PQFP survives vibration better than fine-pitch BGA alternatives, matching factory-floor conditions. Design the interlock state machine with full simulation coverage before programming, as the antifuse fabric is not re-writable in the field.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment benefits from the A54SX16A-PQG208M's deterministic timing: antifuse routing yields fixed, repeatable propagation delays, so stimulus generation and response capture edges stay consistent run-to-run - important for characterization fixtures. The 227 MHz internal clock capability supports counters, pattern generators, and timing controllers, while 175 user I/O terminates multiple test channels in one 208-PQFP device. Its non-volatile configuration means the instrument is ready the moment power is applied, eliminating boot delays in production test environments, and the burned-in logic cannot be accidentally altered by operators. At 2.5V core power the device stays cool in dense rack instrumentation. For designs needing more capacity on the same PCB footprint, the A54SX32-PQG208M doubles gates to 32K with no land-pattern change, offering a migration path for denser instrument variants.
Recommended
Legacy Design Emulation and Obsolescence Bridging
Many programs use the A54SX16A-PQG208M to emulate obsolete ASICs, PAL/GAL arrays, or discontinued FPGAs, mapping legacy netlists into the 16K-gate SX-A fabric to keep aging boards in production. The 175-I/O count in a 208-pin PQFP covers the broad pin requirements of legacy LSTTL-level glue functions, and Microchip's long product-life policy for defense-grade antifuse FPGAs makes the SX16A a stable migration target itself. Because antifuse programming is permanent, emulated logic behaves identically to the original once verified, avoiding SRAM FPGA configuration differences during power cycling. The 2.5V core with tolerant I/O schemes simplifies interfacing to legacy 3.3V and 5V-tolerant circuitry where the datasheet allows. This obsolescence-bridge role is one of the most common uses of mid-density antifuse parts like the SX16A in today's market.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16A-PQG208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16A-2PQG208 | A54SX16-1PQG208I | A54SX16-2PQG208I | A54SX32-PQG208M | A54SX08-PQG208 |
|---|---|---|---|---|---|---|
| Package | 208-Pin PQFP (PQG208) | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 16000 | 16000 | 16000 (SX16 die) | 16000 (SX16 die) | 32000 | 8000 |
| Logic Cells | 924 | 924 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Military (M) | Commercial / speed grade 2 | Industrial (I) | Industrial (I), speed 2 | Military (M) | Commercial |
| Programmability | One-time programmable antifuse | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| Process Technology | 0.25um / 0.22um CMOS | 0.25um / 0.22um CMOS | 0.25um CMOS (earlier revision) | 0.25um CMOS (earlier revision) | 0.25um / 0.22um CMOS | 0.25um CMOS (earlier revision) |
| User I/O | 175 | 175 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- True military temperature grade in standard package (vs A54SX16A-2PQG208)
- Same-footprint density upgrade path (vs A54SX32-PQG208M)
- Cost optimization for smaller designs (vs A54SX08-PQG208)
- Non-volatile security versus SRAM FPGAs (vs SRAM FPGA equivalents)
Design Notes
The A54SX16A is one-time programmable: once antifuse links are blown, the configuration is permanent. Complete gate-level simulation, timing analysis, and hardware prototyping (where available) before committing to programming. Any logic change requires a new device - budget for engineering spares of 5-10% above production quantity. Also confirm the 'M' military suffix ordering code on purchase orders; speed/temp suffix mistakes cannot be corrected after programming.
Estimated: SX-A devices run from a 2.5V core; dynamic power scales with toggle rate and used-cell count. For a 16K-gate design at moderate utilization, core current is typically tens of milliamps, but verify against the Microchip SX-A datasheet power estimator for your specific netlist. Decouple the 2.5V rail with at least 10uF bulk plus 0.1uF ceramic per I/O bank. Since antifuse FPGAs have low static power, thermal management is usually unnecessary below full I/O switching loads.
The 208-pin PQFP has 0.5mm-pitch gull-wing leads: use solder-mask-defined pads per IPC-SM-782-style PQFP land patterns, place a 1x1 decoupling capacitor grid inside the package footprint, and route the JTAG/programming header to a 2x5 connector for in-system programming hardware access. Keep unused I/O programmed as tri-state or ground-referenced inputs per datasheet recommendations to prevent floating-input oscillation and excess power.
Compliance Information
Xsourcepart supplier data states 'Lead free / RoHS Compliant'. REACH, halogen-free, and conflict-minerals status not stated in verified data. Military-grade part - AEC-Q100 not applicable.
