A54SX16P-PQG208 - 16K Gate SX FPGA 240MHz PQFP-208 | Microchip
MPN: A54SX16P-PQG208 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $63.2 | $632.00 |
| 100 | $57.8 | $5,780.00 |
| 500 | $52.4 | $26,200.00 |
| 1,000 | $47.95 | $47,950.00 |
Drop-in alternatives for A54SX16P-PQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX16P-PQG208M
✅ Drop-In✓ In Stock
$66.4 / Unit
View Datasheet →A54SX16P-PQG208I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$38.75 / Unit
View Datasheet →A54SX16P-1PQG208
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Contact for price
View Datasheet →A54SX16P-2PQG208
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$49.2 / Unit
View Datasheet →A54SX16P-2PQG208I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$38.5 / Unit
View Datasheet →A54SX16P-1PQG208I
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View Datasheet →A54SX16A-2PQG208
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16-1PQ208I
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$47.9 / Unit
View Datasheet →A54SX16P-PQG208 Maximum Ratings & Electrical Characteristics
| Logic Family | Actel SX (A54SX) antifuse FPGA |
| Equivalent Gates | 16000 |
| System Gates | 24000 |
| Logic Cells | 924 |
| Logic Modules (CLBs) | 1452 |
| Maximum System Clock Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| User I/O | 175 |
| Core Supply Voltage | 3.0 V to 3.6 V |
| I/O Supply Voltage | 4.75 V to 5.25 V |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 208-terminal PQFP (PQG208) |
| Terminal Pitch | 0.5 mm |
| Mounting Type | Surface Mount |
| Configuration Memory | Nonvolatile (antifuse, no external boot device) |
A54SX16P-PQG208 208-terminal pqfp (pqg208) Pin Configuration Guide
Complete pinout information for A54SX16P-PQG208 (208-terminal 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 A54SX16P-PQG208.
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
A54SX16P-PQG208 is suitable for 6 applications: Industrial Automation Controllers, Networking and Communication Interface Logic, Aerospace and Defense Control Logic, Legacy 5V Embedded System Glue Logic, Test and Measurement Instrumentation, Battery-Powered and Low-Static-Power Systems.
Industrial Automation Controllers
The A54SX16P-PQG208 fits industrial controller boards that need deterministic glueless integration of PLC logic interfaces, counters, and bus decoding. Its 16,000 gates and 1452 logic modules absorb address decoding, PWM generation, and encoder interfaces that would otherwise require dozens of discrete 74-series devices, while its antifuse configuration starts instantly at power-up with no configuration PROM - valuable on machinery that must be operational within milliseconds. The dual 3.3V core / 5V I/O supplies (3.0-3.6V and 4.75-5.25V per Microchip USA data) allow direct connection to legacy 5V industrial sensors and PLC backplanes. Place it between the microprocessor local bus and I/O field connectors with 0.1 uF decoupling per supply pair; the 175 user I/O covers parallel fieldbus, stepper indexing, and safety interlock lines in a single 208-pin PQFP footprint.
Recommended
Networking and Communication Interface Logic
In telecom line cards and protocol adapters, the A54SX16P-PQG208 implements bus bridging, format conversion, and backplane interface logic. The SX family's sea-of-modules architecture was designed for performance-intensive applications, and the device's 240 MHz maximum clock frequency supports fast parallel data paths at a fraction of the cost of larger FPGAs. Deterministic antifuse routing delays simplify timing closure for fixed-rate serial-to-parallel framing logic, and the nonvolatile configuration removes any boot-time gap on cards that must link up immediately after hot swap. With 175 user I/O in the 208-pin PQFP, one device terminates multiple parallel ports plus status and control signals. Designers should keep high-speed clock traces length-matched on the 0.5 mm pitch PQFP breakout and use the dedicated clock pins identified in the 54SX datasheet pin tables for lowest skew.
Recommended
Aerospace and Defense Control Logic
The A54SX16P-PQG208 suits defense and aerospace control logic because Actel antifuse FPGAs are inherently one-time programmable and cannot be read back, protecting design IP on deployed hardware. The PQG208M sibling shares the same die and 208-pin package with military screening, allowing a single board layout to span industrial and high-reliability programs. On avionics and munitions interface boards, the instant-on antifuse configuration means the FPGA is active as soon as supplies ramp - no configuration device to fail cold. The 16K-gate density handles GPS interface glue logic, discrete-to-digital conversion, and redundancy voting circuits. Follow the 54SX datasheet radiation and reliability application guidance and verify the operating temperature and screening suffix required by your program before ordering.
Recommended
Legacy 5V Embedded System Glue Logic
Thousands of embedded boards still mix 5V microprocessors and peripherals with 3.3V logic, and the A54SX16P-PQG208 is one of the few current-availability FPGAs that natively bridges both rails. Its I/O ring operates from 4.75V to 5.25V while the core runs at 3.0V to 3.6V, letting designers consolidate buffers, latches, decoders, and interrupt controllers that were previously separate TTL devices. The 175 I/O in the 208-pin PQFP replaces a large area of 74-series packages, improving board reliability and reducing assembly cost. Because antifuse programming is permanent, consolidate only frozen, fully-tested logic and reserve spare gates for minor ECOs during bring-up. Decouple both supply domains independently and observe the 54SX datasheet power-up sequencing notes to avoid latch-up during mixed-rail ramp.
Recommended
Test and Measurement Instrumentation
Bench instruments and automated test equipment use the A54SX16P-PQG208 for trigger engines, timing generators, and bus interface logic where deterministic, one-time-verified timing matters. The SX family's short routing segments give predictable delays, so calibration routines written once remain valid across units - a benefit of antifuse repeatability versus process-variable SRAM devices. The 240 MHz maximum fabric clock supports sub-10 ns trigger resolution with the -2 speed grade, and 175 I/O address parallel instrument backplanes and peripheral buses. The instant-on antifuse configuration means the instrument is measurement-ready as soon as the power rail stabilizes. Maintain solid ground return under the PQFP using the datasheet-recommended via pattern, and route trigger inputs away from switching supplies on the 0.5 mm pitch breakout.
Recommended
Battery-Powered and Low-Static-Power Systems
The A54SX16P-PQG208 is attractive in battery-backed and always-on systems because antifuse FPGAs carry no configuration memory and therefore no static configuration current - the SX family was explicitly positioned by Actel/Microchip for dramatic reductions in power consumption. In a 16K-gate device this means quiescent drain is dominated only by leakage and bias current, far below an equivalent SRAM FPGA that must continuously power millions of configuration bits. Portable data loggers, metering equipment, and standby supervisory logic benefit from the instant-on behavior as well: the device is functional at the first clock edge after supply ramp, eliminating boot delay. Compute expected dynamic power with the Microchip power calculator using your clock frequency and toggle rates, and prefer the commercial-temperature standard part in controlled environments to minimize cost.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-PQG208M | A54SX16P-PQG208I | A54SX16P-2PQG208 | A54SX16A-2PQG208 | A54SX16-1PQ208I |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (PQG208), 0.5 mm pitch | 208-BFQFP (PQG208) - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Equivalent Gates | 16000 | 16000 | 16000 | 16000 | 16000 | 16000 |
| User I/O | 175 | 175 | 175 | 175 | 175 | 175 |
| Max Clock Frequency | 240 MHz (family max) | [DATA_NEEDED] | 240 MHz class | 240 MHz (faster -2 grade) | 240 MHz class | [DATA_NEEDED] |
| Core / I/O Supply | 3.0-3.6 V / 4.75-5.25 V | [DATA_NEEDED] | 3.3 V / 5 V dual supply | 3.3 V / 5 V dual supply | [DATA_NEEDED] (verify I/O tolerance vs SX16P) | [DATA_NEEDED] (verify I/O tolerance vs SX16P) |
| Temperature Grade | [DATA_NEEDED: operating temperature range] | Military screening (M suffix) | Industrial (-40C to +85C) | Commercial | [DATA_NEEDED] | Industrial (I suffix) |
| Programming Technology | Antifuse (one-time programmable) | Antifuse | Antifuse | Antifuse | Antifuse | Antifuse |
Key Differentiators
- 5V-tolerant dual-supply I/O (vs A54SX16A-2PQG208)
- Military screening option on identical footprint (vs A54SX16P-PQG208M)
- Cost-optimized standard speed grade (vs A54SX16P-2PQG208)
- Trade-off: no in-field reconfiguration (vs A54SX16P-2PQG208)
Design Notes
The A54SX16P-PQG208 uses two independent supply domains: 3.0-3.6 V core and 4.75-5.25 V I/O. Decouple each domain separately with at least 10 uF bulk plus 0.1 uF ceramic per supply pin group, placed within a few millimeters of the pins. Estimated: a design toggling roughly 30% of 175 I/O at 50 MHz with 15 pF loads draws on the order of 100-200 mA from the 5V I/O rail (dynamic I/O current dominates; compute exactly with the Microchip power calculator). Observe the 54SX datasheet power-up sequencing guidance for the two rails to avoid latch-up during ramp.
Antifuse programming is one-time and irreversible. Complete all functional simulation and Libero static timing analysis before committing a device to programming, and program a pilot unit before releasing a lot. Also note the suffix matters when purchasing: PQG208 (commercial), PQG208I (industrial), and PQG208M (military screening) share the same die and footprint but differ in temperature rating and price - ordering the wrong grade causes program-level nonconformance. Verify the exact speed grade in your timing report before selecting -1 or -2 variants.
The 208-pin PQFP with 0.5 mm pitch requires careful breakout on four-layer boards: use at least one solid ground plane under the package, return every supply pin to its plane with a via at the pad or immediately adjacent, and route clocks on the dedicated clock pins listed in the 54SX datasheet pin tables to minimize skew. Length-match parallel bus groups leaving the PQFP and series-terminate (estimated 22-33 ohm) long 5V I/O lines to control reflections, since the 5V I/O ring has larger drive and faster edges than 3.3V-only FPGAs.
Compliance Information
Compliance status must be confirmed from the official Microchip product page for A54SX16P; the provided web data does not state RoHS/REACH status for this MPN.
