A42MX09-2TQG176 - 14K Gate 5V FPGA 176-TQFP | Microchip
MPN: A42MX09-2TQG176 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.2 | $382.00 |
| 100 | $34 | $3,400.00 |
| 500 | $30.6 | $15,300.00 |
| 1,000 | $27.5 | $27,500.00 |
A42MX09-2TQG176 Overview
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that designers configure to implement custom digital circuits. FPGAs sit between fixed-function ASICs and microprocessors in the programmable logic hierarchy. The MX family is distinctive for its one-time-programmable antifuse technology, which is non-volatile, inherently secure, and immune to configuration readback.
Key features include the efficient 5.0V-tolerant architecture that makes MX an ideal single-chip ASIC alternative and a low-cost platform for integrating legacy PLD designs into one device. With 336 logic cells, up to 161 MHz/269 MHz internal performance paths, and 0.45 um antifuse process technology, the device suits high-volume, cost-sensitive production where solder-down certainty and design security matter more than reprogrammability.
Architecturally, the MX fabric combines combinational and sequential modules with pervasive routing, delivering predictable, ASIC-like timing. Because the antifuse configuration is permanent, there is no need for an external boot flash, reducing BOM cost, board area, and configuration-time failure modes compared to SRAM FPGAs.
Typical applications include industrial control, legacy 5V system redesigns, military/aerospace program derivatives of PLD-based designs, glue logic consolidation, and high-reliability embedded systems.
Design consideration: because MX devices are one-time-programmable, verify your design thoroughly in simulation and with device programming before production commit; plan a 10-week manufacturer lead time when scheduling builds (as of 2026-08-30).
Drop-in alternatives for A42MX09-2TQG176 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with A42MX09-2TQG176 (same form factor and footprint) — differing in Package, System Gates, Family, Process Technology, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A42MX09-TQG176A
✅ Drop-In✓ In Stock
$32.1 / Unit
View Datasheet →A42MX16-TQG176M
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$61.2 / Unit
View Datasheet →A42MX09-2TQ176
✅ Drop-In📋 Reference alternative (not in catalog)
A42MX24-TQG176
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$28.4 / Unit
View Datasheet →A42MX09-2TQG176 Maximum Ratings & Electrical Characteristics
| Family | MX (42MX) |
| System Gates | 14000 |
| Logic Cells | 336 |
| Number of I/O | 104 |
| Supply Voltage (Core/Support) | 3V ~ 3.6V |
| Supply Voltage (I/O) | 4.75V ~ 5.25V |
| Speed Grade | -2 |
| Operating Temperature | 0C to +70C (TA) |
| Package | 176-LQFP (TQFP 24x24 mm) |
| Mounting Type | Surface Mount |
| Programming Technology | Antifuse (one-time programmable) |
| Process Technology | 0.45 um |
| RoHS Status | ROHS3 Compliant, Lead Free |
| Packaging | Tray |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A42MX09-2TQG176 Pin Configuration
| Pin 1 | CLKA — Dedicated global clock input A |
| Pin 21 | VCC (3.3V) — Core/support supply voltage |
| Pin 44 | GND — Ground reference |
| Pin 60 | CLKB — Dedicated global clock input B |
| Pin 88 | I/O — User input/output (5V tolerant) |
| Pin 100 | VCCI (5V) — 5V I/O supply voltage |
| Pin 128 | I/O — User input/output (5V tolerant) |
| Pin 160 | I/O/GCLR — User I/O or global clear |
| Pin 176 | I/O/CLK — User I/O or clock input |
Typical Applications
A42MX09-2TQG176 is suitable for 6 applications: Legacy 5V System Redesign, Industrial Control and Automation, Design-Secure Embedded Systems, High-Volume Cost-Sensitive Production, Communications Interface Bridging, Aerospace and Defense Derivatives.
Legacy 5V System Redesign
The A42MX09-2TQG176's 4.75V-5.25V tolerant I/O supply makes it a direct fit for consolidating discrete 74-series logic, GALs, and older PLDs in legacy 5V industrial equipment. With 14,000 gates and 104 user I/O, multiple PLD functions merge into one solder-down antifuse device, cutting board area and BOM count. Unlike SRAM FPGAs it needs no configuration flash and powers up instantly, preserving the deterministic boot behavior of the original 5V system.
Recommended
Industrial Control and Automation
In factory automation controllers and motor-drive interface boards, the MX FPGA provides deterministic glue logic between MCUs, ADCs, and power stages. The 0.45 um antifuse fabric delivers ASIC-like fixed timing, and the 3.3V core with 5V I/O bridges modern controllers to legacy sensors. Its one-time programming prevents field tampering of control IP. The 0C to +70C commercial rating covers standard cabinet environments; derate designs near thermal limits.
Recommended
Design-Secure Embedded Systems
Antifuse configuration cannot be read back, making the A42MX09-2TQG176 suitable for products where bitstream IP must be protected - payment terminals, licensed equipment, and anti-counterfeiting logic. According to Microchip product data, MX FPGAs are a reliable single-chip ASIC alternative with no external boot device, eliminating the most common attack surface of SRAM FPGA systems. The 14K-gate capacity suits protocol bridges, secure state machines, and key-handling peripherals.
Recommended
High-Volume Cost-Sensitive Production
The MX family targets high-volume platforms where unit cost and solder-down certainty dominate. At 14K gates in a 24x24 mm TQFP, the device replaces mask ASIC NRE for volumes too small for hard IP. Tray packaging suits in-house programming and ICT flows, and because configuration is permanent, production test eliminates configuration-upset failure modes. Pricing at 1000 pieces near $27.50 (as of 2026-08-30) keeps consolidation economics favorable.
Recommended
Communications Interface Bridging
The 104 user I/O and -2 speed grade support parallel bus bridging, backplane interface adaptation, and protocol conversion between 5V legacy backplanes and 3.3V processors. Predictable antifuse routing gives fixed propagation delay across power-up cycles - important for deterministic bus arbitration and time-critical handshake logic in telecom line cards and industrial networking shelves.
Recommended
Aerospace and Defense Derivatives
Actel MX antifuse FPGAs have a long heritage in defense programs where non-volatile, configuration-upset-immune logic is required. The commercial A42MX09-2TQG176 supports ground-based benign environments and program prototyping; Microchip's M-suffix MX variants extend the same fabric to extended temperature ranges for flight and mil-temperature applications. Design reuse between the commercial device and M-grade parts shortens qualification cycles.
Recommended
Recommended Products Summary
Engineering reference data for A42MX09-2TQG176 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A42MX09-TQG176A | A42MX16-TQG176M | A42MX09-2TQ176 | A42MX24-TQG176 |
|---|---|---|---|---|---|
| Package | 176-LQFP (TQFP 24x24) | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same | 176-TQFP (24x24) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 14,000 | 14,000 | 16,000 | 14,000 | 24,000 |
| Supply Voltage | 3V-3.6V / 4.75V-5.25V | 3V-3.6V / 4.75V-5.25V | 3V-3.6V / 4.75V-5.25V | 3V-3.6V / 4.75V-5.25V | 3V-3.6V / 4.75V-5.25V |
| Programming | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Non-RoHS (leaded finish) | ROHS3 Compliant |
Key Differentiators
- One-time-programmable antifuse security (vs SRAM FPGAs (e.g., Lattice iCE40))
- Native 5V-tolerant I/O (vs A42MX09-2TQ176-era modern FPGAs)
- Same-footprint gate-count scaling (vs A42MX16-TQG176M)
- Lead-free green packaging (vs A42MX09-2TQ176)
Design Notes
The MX fabric uses dual rails: a 3.0V-3.6V supply for core/support logic and a separate 4.75V-5.25V supply for the 5V-tolerant I/O banks. Sequence or ramp both rails within datasheet limits and decouple each VCC pin with 0.1uF ceramic caps plus bulk capacitance per bank. Follow Microchip (Actel) MX FPGA power application guidance - per-pin decoupling reduces ground bounce on simultaneously switching 5V outputs.
MX devices are one-time programmable: a wrong netlist or incorrect programming vector permanently consumes the device. Complete full timing simulation and pin-locked place-and-route verification in Microchip Designer before committing hardware, and reserve engineering units for programming-flow validation. Also confirm the -2 speed grade file matches your timing constraints - using a -1 design file on a -2 part wastes margin, and vice versa risks failures.
The 176-TQFP (24x24 mm, 0.5 mm pitch) requires careful land-pattern design per the Microchip package mechanical drawing. Use via-in-pad or dogbone fanout under the die for the center supply pins, keep clock routing short to the dedicated global clock pins, and provide solid ground return planes. Allow a 10-week lead time in production planning; order trays with margin for programming yield loss.
5V CMOS I/O switching large buses produces significant ground bounce; group simultaneously switching outputs across multiple GND pins, add series termination (22-33 ohm) on long lines, and keep stub lengths minimal. The fixed antifuse interconnect makes delays deterministic, enabling reliable setup/hold analysis without statistical corner sweeps required by SRAM FPGAs.
Compliance Information
ROHS3 Compliant per Microchip USA product data. G suffix denotes green/lead-free packaging. Commercial temperature grade only (0C to +70C) - not AEC-Q100 or MIL qualified.
