A54SX16P-VQG100 - 16K Gate FPGA 240MHz 100-VQFP | Microchip
MPN: A54SX16P-VQG100 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62 | $620.00 |
| 100 | $55.8 | $5,580.00 |
| 500 | $51.2 | $25,600.00 |
| 1,000 | $47.6 | $47,600.00 |
Drop-in alternatives for A54SX16P-VQG100 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX16P-VQG100I
✅ Drop-In✓ In Stock
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View Datasheet →A54SX16P-2VQG100
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$30.1 / Unit
View Datasheet →A54SX16-VQG100
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16A-TQ100I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16P-VQG100 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 16000 |
| Logic Cells | 924 |
| CLB Modules | 1452 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage | 3.3 V / 5 V |
| User I/O | 81 |
| Package | 100-Pin VQFP (VQG100) |
| Mounting Type | Surface Mount |
| Package Height | 1 mm |
| Programming Type | One-Time Programmable (antifuse) |
| Architecture | Sea-of-modules |
| RoHS Status | Compliant |
| Lead Free | Yes |
| Speed Grade | Standard (-VQG100, no speed suffix) |
A54SX16P-VQG100 1 mm Pin Configuration Guide
Complete pinout information for A54SX16P-VQG100 (1 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 A54SX16P-VQG100.
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-VQG100 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Glue Logic, High-Reliability System Controllers, Test and Measurement Equipment, Secure and Design-Protected Systems, Aerospace and Defense Subsystems (Ground and Avionics Support).
Industrial Control and Automation
The A54SX16P-VQG100 fits industrial control and factory automation logic because its 16,000 gates and 81 user I/Os integrate sequencers, state machines, and glue logic that would otherwise require many discrete devices. The 240 MHz maximum system performance comfortably covers PLC timing functions and motor-control supervisory logic, while the antifuse fabric powers up instantly in its configured state with no boot time - a real advantage on production lines that must restart quickly after power interruption. In a typical implementation the FPGA sits between a microcontroller and field I/O, level-shifting between 5V legacy sensors and a 3.3V processor bus thanks to the mixed 3.3V/5V I/O capability. Because the configuration is one-time programmable and non-volatile, the logic cannot be corrupted by electrical noise or brownouts, improving line uptime. The trade-off is that any logic revision requires a new programmed device, so freeze the design before committing to production programming.
Recommended
Communications and Networking Glue Logic
In communications backplanes and networking equipment, the A54SX16P-VQG100 serves as high-speed glue logic - bus bridging, address decoding, protocol framing, and status aggregation - between line cards and switch fabrics. The sea-of-modules routing architecture delivers deterministic, fast interconnect delays that support the 240 MHz toggle rate, enough for many parallel bus and framing functions. Its 81 I/O pins in the compact 100-lead VQFP provide ample parallel interface width where a larger FPGA would be overkill in cost and power. The OTP antifuse fabric also means zero configuration latency at power-up, which matters for equipment with strict reset-to-service timing, and removes the SRAM configuration-readout security concern in carrier equipment. Designers should budget for the fact that the 0.35 um process limits serial link speeds, so this part suits parallel and moderate-rate logic rather than multi-gigabit SerDes work, which requires a newer FPGA family.
Recommended
High-Reliability System Controllers
System supervisory and health-monitoring controllers benefit directly from the A54SX16P-VQG100's architecture: once programmed, the antifuse fabric is immune to configuration memory upset, so power rail monitoring, watchdog sequencing, and fault-latching logic implemented in this device cannot lose its design under noise, radiation-induced soft errors at ground level, or supply glitches. The 924 logic cells and 1452 CLB modules provide enough capacity for watchdog timers, power-sequencing state machines, and brownout latch circuits, while instant-on operation means supervisory logic is active from the first microsecond of power-up - earlier than any microcontroller could boot. The mixed 3.3V/5V I/O allows direct monitoring of both legacy and modern supply domains. Because the design is permanently programmed, change control is straightforward: each hardware revision is a new part number with a fixed, auditable configuration, which many reliability programs prefer over reconfigurable alternatives.
Recommended
Test and Measurement Equipment
Bench and automated test instruments use the A54SX16P-VQG100 as pattern generators, trigger logic, and counter/timer engines. The 240 MHz system performance supports fast event counting and precise trigger alignment, while deterministic antifuse routing delays give repeatable timing skew between channels - valuable when multiple instruments must correlate measurements. The 81 user I/Os allow wide parallel capture buses for logic analysis front ends, and 5V-tolerant inputs let the FPGA directly interface TTL-level test signals from legacy equipment under test. In a typical design the FPGA captures comparator outputs and streams results to a processor over a 3.3V bus. Since the configuration is fixed, calibration constants are usually stored externally in non-volatile memory rather than in the FPGA fabric. Designers should keep critical timing paths short and verify worst-case delays against the -speed grade timing tables in the 54SX datasheet before locking the pattern-generator architecture.
Recommended
Secure and Design-Protected Systems
The A54SX16P-VQG100 is a natural fit where intellectual property protection matters: unlike SRAM FPGAs, whose bitstreams can be intercepted on the configuration bus, the antifuse fabric is programmed internally and the netlist cannot be read back. This makes the device appropriate for copy-protected control logic, license and authentication engines, and defense-adjacent industrial systems that must resist reverse engineering. The permanent configuration also eliminates the attack surface of reprogrammable devices in the field - there is no mechanism for an attacker to load malicious logic into the chip. With 16,000 gates, typical secure implementations include challenge-response engines, key-stored lookup logic, and tamper-detection state machines. The trade-off is that a compromised or outdated secure design cannot be patched in the field; a new programmed device must be installed, so build a firmware-level update path into the system architecture around the fixed FPGA logic.
Recommended
Aerospace and Defense Subsystems (Ground and Avionics Support)
While flight-critical designs migrate to Microchip's radiation-tolerant RTAX family, the A54SX16P-VQG100 serves ground-support equipment, test sets, and non-flight avionics support hardware where the SX family's instant-on, configuration-upset-immune behavior and design security are valued at commercial cost. The 16K gates accommodate interface adapters between avionics test benches and legacy bus formats, and the 5V-tolerant I/O connects directly to older MIL-spec digital hardware still operating at 5V logic levels. The 100-pin VQFP is hand-inspectable and reworkable, supporting low-volume, high-mix support equipment builds. Because the OTP configuration is fixed and auditable, configuration management for support equipment is simplified - each unit's behavior is defined by the programmed part, not by a bitstream file that could drift between units. For any program requiring formal environmental qualification, select the -I industrial temperature variant A54SX16P-VQG100I, which is pin-to-pin identical.
Recommended
Recommended Products Summary
Engineering reference data for A54SX16P-VQG100 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX16P-VQG100I | A54SX16P-2VQG100 | A54SX16-VQG100 | A54SX16A-TQ100I |
|---|---|---|---|---|---|
| Package | VQFP-100 (VQG100) | VQFP-100 (VQG100) - same | VQFP-100 (VQG100) - same | VQFP-100 (VQG100) - same | TQFP-100 - same footprint |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 16000 | 16000 | 16000 | 16000 | 16000 |
| Max System Frequency | 240 MHz | 240 MHz | Higher (faster -2 speed grade) | 240 MHz class | 240 MHz class |
| User I/O | 81 | 81 | 81 | 81 | 81 |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Temperature Grade | Commercial | Industrial (-I) | [DATA_NEEDED] | [DATA_NEEDED] | Industrial (-I) |
| RoHS / Lead Free | Compliant / Yes | Compliant / Yes | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Standard commercial speed grade availability (vs A54SX16P-2VQG100)
- Industrial temperature option is pin-identical (vs A54SX16P-VQG100I)
- P-version die refinements over the base SX16 (vs A54SX16-VQG100)
Design Notes
Estimated: the A54SX16P on its 0.35 um CMOS antifuse process draws primarily dynamic current proportional to toggle rate and static current at 3.3V/5V rails; size the core regulator for worst-case 240 MHz activity and verify against the 54SX datasheet current tables. Decouple each VCC pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF per rail. Because there are multiple VCC/GND pin pairs on the VQG100 package, connect every power pin - unused power pins left floating are a common cause of intermittent failures on Actel SX boards.
This is a one-time programmable device: after programming there is no field update path. Lock your netlist and pin assignment before sending the design to programming, and order a small pre-production lot to validate on real hardware before committing the full build quantity. Also confirm the exact speed grade and temperature grade ordering codes at purchase - mixing commercial and industrial grades within one build lot is a frequent procurement error on SX-family parts. Keep the programmed devices' programming file under version control for audit purposes.
With 81 user I/Os in a 100-lead VQFP, ground bounce becomes visible when many outputs switch simultaneously. Distribute returns across all GND pins and add series termination (typically 22-33 ohm) on fast edges driving board-level buses, especially on the 5V-tolerant I/O banks where output swing is larger. Keep stub lengths under a few centimeters for the fastest paths and simulate worst-case corners with the datasheet timing models. For mixed 3.3V/5V designs, verify each bank's VCCI against the connected logic family before pin assignment freeze.
Compliance Information
Verified web data explicitly states ROHS COMPLIANT and LEAD FREE for the VQFP-100 package. REACH, halogen-free, and conflict-minerals status not stated in provided data.
