A42MX09-3VQG100 - 14K Gate 5V FPGA, 100-TQFP | Microchip
MPN: A42MX09-3VQG100 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A42MX09-3VQG100 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
A42MX16-3VQG100
β Drop-Inβ In Stock
$11.95 / Unit
View Datasheet βA42MX16-1VQG100
β Drop-Inβ In Stock
$20.7 / Unit
View Datasheet βA42MX16-2VQG100I
β Drop-Inβ In Stock
$20.8 / Unit
View Datasheet βA42MX09-2VQG100I
β Drop-Inπ Reference alternative (not in catalog)
A42MX09-1VQG100
β Drop-Inπ Reference alternative (not in catalog)
A42MX09-3VQG100 Maximum Ratings & Electrical Characteristics
| Family | MX (Actel/Microsemi, now Microchip) |
| System Gates | 14,000 |
| User I/O | 83 |
| Speed Grade | -3 |
| Supply Voltage (Core) | 5.0 V |
| I/O Voltage | 5.0 V (5V-tolerant TTL) |
| Package | 100-TQFP / VQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Programming Technology | Antifuse (one-time programmable) |
| Configuration Device | Not required (non-volatile antifuse) |
| Lead Free | Yes (G suffix) |
| RoHS Status | Compliant |
| Operating Temperature | [DATA_NEEDED: Operating Temperature] |
| MSL Level | [DATA_NEEDED: MSL Level] |
| Standard Lead Time | Approximately 12 days |
| Typical Application Platform | Legacy PLD integration, single-chip ASIC alternative |
A42MX09-3VQG100 Pin Configuration
| Pin 1-100 | VQ100 Pin Map β 83 user I/O plus power, ground, and programming pins distributed per MX family datasheet VQ100 pin table |
| Pin [per datasheet] | VDD β 5.0V core supply |
| Pin [per datasheet] | GND β Ground reference |
| Pin [per datasheet] | CLK β Dedicated global clock input |
| Pin [per datasheet] | TM0-TM1 β Programming/Test Mode pins (antifuse programming port) |
| Pin [per datasheet] | I/O[0-82] β User input/output, 5V TTL compatible |
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
A42MX09-3VQG100 is suitable for 6 applications: Legacy PLD Integration, Single-Chip ASIC Alternative, 5V TTL Industrial Control, Secure Embedded Systems, Telecommunications and Backplane Glue Logic, High-Volume Embedded Control.
Legacy PLD Integration
The MX family is explicitly positioned by Microchip as a platform for integrating legacy PLDs into a single, low-cost device. The 14K-gate A42MX09-3VQG100 consolidates multiple 22V10-class PAL/GAL devices or small CPLDs into one antifuse FPGA, collapsing board area and BOM count. Its 5.0V architecture matches the 5V TTL I/O of the legacy devices being replaced, so no level translation is required. Because the fabric is one-time programmable, migrated designs behave deterministically from power-up - no configuration loading time, matching legacy PLD behavior.
Recommended
Single-Chip ASIC Alternative
Microchip markets MX FPGAs as a reliable single-chip ASIC alternative for high-volume production. The A42MX09-3VQG100 delivers ASIC-like, fixed timing from its antifuse fabric without NRE charges or mask-set costs of a custom ASIC. At 14K gates it suits moderate glue-logic-to-ASIC bridges, bus controllers, and state machines in volumes where full-custom silicon is uneconomic. The 100-TQFP (14x14 mm) package is compact and hand-solderable for prototypes, and the non-volatile antifuse configuration eliminates boot PROMs, tightening the cost gap versus masked alternatives.
Recommended
5V TTL Industrial Control
Industrial automation environments still running 5V TTL backplanes benefit directly from the A42MX09-3VQG100's 5.0V architecture. Its 83 user I/O directly drive and receive 5V TTL signals from sensors, relays, encoders, and legacy PLC modules without external buffer ICs or level shifters, cutting component count and failure points. The antifuse fabric's immunity to configuration upset suits noisy factory-floor power environments, and the -3 speed grade comfortably covers I/O sequencing and control-loop logic at industrial rates.
Recommended
Secure Embedded Systems
Unlike SRAM-based FPGAs that load a bitstream from external flash, the A42MX09-3VQG100's antifuse configuration is programmed once at fabrication and cannot be read back. This eliminates the primary IP-theft vector in FPGA designs, making it attractive for secure industrial controllers, licensed equipment, and defense-adjacent products. Combined with 14K gates and 83 I/O, designers implement security-relevant logic, encryption bridges to legacy 5V buses, or anti-tamper gateways with confidence that the netlist is physically inaccessible.
Recommended
Telecommunications and Backplane Glue Logic
Telecom backplanes and line-card control planes built around 5V signaling use the A42MX09-3VQG100 for framing logic, interrupt aggregation, and bus arbitration. The MX fabric's mux-based combinatorial modules deliver fast decode paths appropriate for address and control-signal handling, while registered modules handle clocked data paths. The 14x14 mm 100-TQFP fits dense card layouts, and the antifuse startup behavior provides instant-on functionality required in telecom systems with hot-socketed cards and strict power-up sequencing expectations.
Recommended
High-Volume Embedded Control
For high-volume products such as metering, motor control front panels, and appliance controllers, the A42MX09-3VQG100 offers deterministic single-chip logic at low unit cost. Microchip describes MX as a high-volume platform enabling cost reduction through integration; the 14K gates absorb sequencers, UARTs, and custom peripherals otherwise built from discrete logic. The antifuse device needs no firmware loading step in manufacturing, simplifying production test, and its 5V I/O connects directly to the 5V microcontrollers and displays common in these product lines.
Recommended
Recommended Products Summary
Engineering reference data for A42MX09-3VQG100 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A42MX16-3VQG100 | A42MX16-1VQG100 | A42MX09-2VQG100I |
|---|---|---|---|---|
| Package | 100-TQFP/VQFP (14x14 mm) | 100-TQFP/VQFP - same | 100-TQFP/VQFP - same | 100-TQFP/VQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 14,000 | 24,000 | 24,000 | 14,000 |
| User I/O | 83 | 83 | 83 | 83 |
| Speed Grade | -3 | -3 | -1 | -2 (faster) |
| Supply Voltage | 5.0 V | 5.0 V | 5.0 V | 5.0 V |
| Temperature Range | Commercial [DATA_NEEDED: exact range] | Commercial | Commercial | Industrial (I suffix) |
| Configuration | Antifuse (non-volatile, no PROM) | Antifuse | Antifuse | Antifuse |
| Lead Free / RoHS | Yes (G suffix) | Yes | Yes | Yes |
Key Differentiators
- Lowest-cost 14K-gate entry in same 100-VQFP footprint (vs A42MX16-3VQG100)
- Faster timing at lower cost than industrial variant (vs A42MX09-2VQG100I)
- 5V-native antifuse fabric vs SRAM FPGA competitors (vs Modern SRAM FPGAs (non-pin-compatible))
Design Notes
The A42MX09-3VQG100 operates from a 5.0V supply. Provide local decoupling of at least 0.1uF ceramic plus 10uF bulk per supply pin group around the 100-TQFP. Because MX antifuse devices draw essentially no configuration current at power-up, inrush is low, but the 5V rail must be established before programming tools attach; verify sequencing with any 3.3V devices on shared I/O since the 5V-tolerant inputs tolerate, but do not source, external rails.
This is a one-time-programmable antifuse FPGA. Once programmed, the die cannot be erased or reused - burned prototype budgets are a real cost. Complete full simulation and timing verification in Microchip Libero/Actel Designer before programming any unit, and keep logic utilization below 80 percent of the 14K gates to preserve routing flexibility for late changes. Do not hand-swap the -3 grade for a slower grade in timing-critical paths without re-running static timing analysis.
The 100-TQFP (14x14 mm, 0.5 mm lead pitch) is surface mount and hand-reworkable, unlike BGA alternatives. Use a defined GND plane under the device, keep global clock traces short and matched, and assign the programming pins (TM0/TM1) access to a test header so units can be programmed in-circuit during production. Follow the MX family datasheet VQ100 pin table exactly - do not assume symmetric pin numbering.
Compliance Information
Per IC-Components product data, the A42MX09-3VQG100 is lead-free and RoHS-compliant (G suffix denotes lead-free). Distributor listings confirm LEAD FREE status. REACH and halogen-free status not stated in provided data.
