Microchip Technology

A42MX09-TQG176A - 14K Gate 5V FPGA 176-TQFP | Microchip

MPN: A42MX09-TQG176A ✓ Active
In Stock Ships in 1-3 business days
5 V Vdss 176-TQFP Package 192 MHz Speed
From $32.1 USD / Unit
MOQ: 1 |
Price updated: 2026-08-29
Volume Pricing
Qty Unit Price Extended
1 $48.5 $48.50
10 $43.9 $439.00
100 $39.2 $3,920.00
500 $35.6 $17,800.00
1,000 $32.1 $32,100.00
ℹ️ All prices are in USD

Drop-in alternatives for A42MX09-TQG176A — 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:

A42MX16-TQG176M

✅ Drop-In
Microchip Technology
📦 176-TQFP
42MX (MX FPGA) · 24,000 · 608 · 140 · [DATA_NEEDED: Flip-Flop count] · 3.3 V / 5.0 V · 103 MHz (172 MHz toggle) · 0.45 um antifuse

✓ In Stock

$61.2 / Unit

View Datasheet →

A42MX09-TQ176A

✅ Drop-In
📦 176-TQFP
identical die, leaded finish instead of lead-free G plating

📋 Reference alternative (not in catalog)

A42MX09-1TQG176M

✅ Drop-In
📦 176-TQFP
speed grade 1, military M screening, same footprint

📋 Reference alternative (not in catalog)

A42MX24-TQG176A

✅ Drop-In
Microsemi
📦 176-TQFP
MX (42MX) · 36000 · 1890 · 912 · 150 · 5.0 V · CMOS · Antifuse (one-time programmable, non-volatile)

✓ In Stock

$43.2 / Unit

View Datasheet →
ℹ️ 1 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

A42MX09-TQG176A Maximum Ratings & Electrical Characteristics

System Gates 14000
Logic Cells 336
User I/O 104
Supply Voltage 5 V
Maximum System Frequency 192 MHz
Process Technology 0.45 um CMOS
Family MX (42MX)
Program Type One-Time Programmable (antifuse)
Package 176-TQFP
Mounting Type Surface Mount
Grade Automotive / Industrial (A suffix)
Pin Pitch 0.65 mm
Configuration Non-volatile, no external PROM required
RoHS Status Lead Free
Operating Temperature [DATA_NEEDED: operating temperature range]

A42MX09-TQG176A 176-tqfp Pin Configuration Guide

Complete pinout information for A42MX09-TQG176A (176-tqfp 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.

176-tqfp package pinout diagram for A42MX09-TQG176A

No detailed pinout data available for A42MX09-TQG176A.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A42MX09-TQG176A Drain-to-Source Voltage (Vds) Drain Current (Id)

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-TQG176A is suitable for 6 applications: Industrial Automation Controllers, Legacy PLD Consolidation, Avionics and Defense Systems, Motor Drive and Power Control, Test and Measurement Equipment, ASIC Prototyping and Low-Volume Bridge Logic.

🏭

Industrial Automation Controllers

The A42MX09-TQG176A fits industrial controller designs because its native 5.0V architecture interfaces directly with legacy 24V-zone I/O buffers, 5V sensors, and PLD replacement targets without level shifting, while 104 user I/O provide ample parallel interface density. In a controller board it typically implements state machines, address decoding, and motor drive sequencing at deterministic speeds up to 192 MHz. Because MX antifuse logic is non-volatile and OTP, no configuration PROM or boot delay occurs, improving power-up reliability in factory environments.

🔧

Legacy PLD Consolidation

The MX family is explicitly marketed by Microchip as an ideal platform for integrating legacy PLDs into a single, low-cost device, and the A42MX09-TQG176A's 14K gates and 336 cells provide capacity to replace multiple 22V10-class PALs and small CPLDs on one chip. In consolidation projects the antifuse OTP technology preserves the deterministic, non-configurable behavior of the original glue logic, while 192 MHz performance exceeds legacy device speeds. This reduces board area, BOM count, and procurement risk for long-life industrial and defense platforms.

✈️

Avionics and Defense Systems

Defense and avionics programs value the A42MX09-TQG176A's one-time-programmable antifuse fabric, which provides inherent design security - there is no bitstream to read back, unlike SRAM FPGAs - plus immunity to configuration upsets at power-on. M-grade siblings such as the A42MX09-1TQG176M cover military screening flows. With 5V noise-robust I/O, 14K gates for interface glue logic, and a long-lifecycle platform from Microchip (Microsemi), the device suits radar interfaces, missile electronics, and space-adjacent ground equipment needing dependable, non-volatile programmable logic.

⚙️

Motor Drive and Power Control

In 5V motor drive systems the A42MX09-TQG176A generates PWM sequences, dead-time logic, and fault interlocks with deterministic timing thanks to the antifuse fabric's fixed delays, while its 5V I/O directly drives gate-driver input buffers common on legacy motor boards. The 104 user I/O accommodate encoder inputs, hall sensors, and parallel fault buses in one package. Since MX logic is OTP, safety interlock configurations cannot be corrupted at runtime - an advantage for drive systems where predictable behavior at power-up is a certification concern.

🔧

Test and Measurement Equipment

Bench and automated test instruments use the A42MX09-TQG176A for parallel pattern generation, address generation, and scan-chain glue logic, exploiting 192 MHz toggle capability and 104 parallel I/O. The 5.0V fabric matches the TTL-level signaling still common in instrumentation backplanes, eliminating translators. OTP antifuse configuration ensures the instrument powers up with the correct function immediately, avoiding the boot delay of SRAM FPGAs. Its TQFP-176 surface-mount package supports compact instrument motherboards with standard 0.65 mm pitch assembly processes.

🖥️

ASIC Prototyping and Low-Volume Bridge Logic

The Microchip MX family is positioned as a reliable single-chip ASIC alternative, making the A42MX09-TQG176A practical for ASIC interface bridging, bus conversion, and low-volume production where an ASIC mask set is uneconomical. Its 14K gates suit handshake, FIFO, and protocol adaptation logic between processors and peripherals. The 5V-tolerant, 104-pin I/O bank simplifies interfacing with legacy buses, and the non-volatile antifuse fabric removes configuration controllers from the BOM. As of 2026 the family remains supported in Microchip Libero design flows.

What are the key specifications of A42MX09-TQG176A?
The A42MX09-TQG176A is a Microchip (Microsemi/Actel) MX family FPGA with 14,000 system gates, 336 logic cells, 104 user I/O, 5.0V operation, 192 MHz maximum system frequency, 0.45 um CMOS process, and a 176-pin TQFP package. It uses one-time-programmable antifuse technology, so no external configuration device is required. Source: Microchip A42MX09 product page and distributor listings.
Where can I buy A42MX09-TQG176A online?
The A42MX09-TQG176A is available from DigiKey (ships same day), Mouser, and via Octopart price comparison across 5-6 distributors, plus XAIPART. As of 2026-08-30, DigiKey lists it as in stock under Microchip Technology FPGA category 176-LQFP/TQFP. Compare bulk pricing across distributors before ordering, as unit prices vary by quantity break and stock location.
What is the price of A42MX09-TQG176A?
As of 2026-08-30, pricing for the A42MX09-TQG176A typically ranges around 40-60 USD at single-unit quantity from distributors, with meaningful discounts at 100+ units. Exact prices vary by distributor and stock conditions; consult DigiKey, Mouser, or Octopart for live quotes, and request volume quotes (500-1000 units) for best per-unit pricing on this high-volume MX platform.
What is the difference between A42MX09-TQG176A and A42MX09-TQ176A?
The A42MX09-TQG176A and A42MX09-TQ176A share the same die, 14K gates, and 176-pin TQFP footprint; the G suffix denotes the lead-free (RoHS) plating variant while the non-G version uses leaded finish. Electrically and pin-to-pin they are drop-in compatible per FindIC comparison data, so designs can switch between them for RoHS compliance with no PCB change.
What is the difference between A42MX09-TQG176A and A42MX24-TQG176A?
Both are 42MX family FPGAs in the same 176-pin TQFP footprint, but the A42MX24 offers roughly 24,000 system gates versus 14,000 for the A42MX09, giving more logic capacity. Pin-compatible same-package family members allow capacity upgrades without PCB rework if routing resources suffice; verify I/O count and package variant per Microchip MX datasheet before swapping.
What is the best drop-in replacement for A42MX09-TQG176A?
The best same-brand drop-in candidates are other 42MX family members in TQ176 packages, such as A42MX16-TQG176M (larger 16K-class die in the same 176-pin TQFP footprint). Because MX parts are OTP antifuse devices, there are no cross-brand OTP equivalents; direct drop-in replacement is essentially limited to Microchip MX family siblings. Verify pinout per MX datasheet DS0012 before production.
Is A42MX09-TQG176A the same as A42MX09-TQG176M?
No. The A suffix denotes an automotive/industrial temperature and screening grade, while M denotes a military screening grade per Microchip/Microsemi ordering nomenclature. Both use the same die and 176-pin TQFP footprint, but qualification flow and temperature rating differ - select A for automotive/industrial designs and M where military screening is contractually required.
Where can I download the A42MX09-TQG176A datasheet PDF?
Download the A42MX09-TQG176A datasheet from the official Microchip product page at microchip.com/en-us/product/A42MX09, which links the full MX FPGA family datasheet (150-page document covering A42MX09). Datasheet PDFs are also mirrored on distributor sites such as DigiKey and AiPCBA. Always prefer the Microchip official document revision for current specifications.
Where can I find the pinout of A42MX09-TQG176A?
The pinout for the A42MX09-TQG176A 176-pin TQFP package is provided in the Microchip (Actel) MX FPGA family datasheet in the package pinout tables chapter. It lists power, ground, I/O, and dedicated pins per package. On XAIPART, pinout details are omitted pending verification against the official datasheet to avoid publishing unverified pin assignments.
Is A42MX09-TQG176A suitable for legacy 5V industrial designs?
Yes. The MX family was explicitly designed as a reliable, single-chip ASIC alternative with a 5.0V architecture that directly integrates legacy PLD designs, per the Microchip product page. With 104 user I/O at 5V logic levels, 14K gates, and 192 MHz capability, it consolidates multiple legacy PAL/GAL/CPLD devices into one antifuse FPGA without level shifters.
When should I choose the A42MX09 over the A42MX16?
Choose the A42MX09-TQG176A when your design fits within 14K system gates (336 cells) and you want the lowest die cost; choose the A42MX16 when you need roughly 16K+ gates of logic capacity. Both are available in similar TQFP footprints, so starting with A42MX09 and moving up within the family is a common strategy. Larger devices cost more but reduce the risk of capacity overflow.
Hey Google, what can replace the A42MX09 FPGA?
The most reliable replacements for the A42MX09 are Microchip MX family siblings (A42MX16, A42MX24) in matching TQFP packages, which are pin-compatible within the family. Because MX uses proprietary one-time-programmable antifuse technology, there is no true cross-brand equivalent; designs migrating away from the MX family generally require re-layout with devices such as Xilinx or Intel FPGAs and design re-entry.
What is the best cross-brand equivalent for A42MX09-TQG176A?
There is no pin-compatible cross-brand equivalent for the A42MX09-TQG176A. The Actel (now Microchip) MX antifuse architecture is proprietary, and competing FPGAs from Xilinx (XC4000-era) or Intel/Altera use SRAM technology with different packages, pinouts, and configuration requirements. Functional migration requires HDL re-compile and PCB rework, whereas within-family MX parts (A42MX16-TQG176M) remain footprint-compatible.
Is the A42MX09-TQG176A in stock and what is the lead time?
As of 2026-08-30, the A42MX09-TQG176A is listed as in stock with same-day shipping at DigiKey, and Micro-Semiconductor reports 628 pieces available. Lead times through authorized distributors are short when stock exists, but independent distributors may quote several weeks. Confirm real-time stock and lead time on DigiKey, Mouser, or Octopart before committing a production schedule.

Engineering reference data for A42MX09-TQG176A — comparison, design guidance, and compliance information.

Selection Guide

Choose the A42MX09-TQG176A when you need a 5V-native, non-volatile, one-time-programmable FPGA of about 14K gates for industrial, test, avionics, or legacy PLD consolidation, and RoHS-compliant lead-free assembly is required. Choose the A42MX09-TQ176A (leaded finish) only for non-EU markets or legacy rework. Choose the A42MX09-1TQG176M or A42MX16-TQG176M when military screening is required. Step up to the A42MX24-TQG176A when logic needs exceed 14K gates but you want to keep the same 176-TQFP PCB footprint. Avoid migration to SRAM FPGAs (Xilinx, Intel) unless you can accept full PCB rework, HDL re-verification, and an external configuration device - there is no cross-brand pin-compatible equivalent for the MX antifuse architecture.

Comparison with Alternatives

Parameter This Product A42MX16-TQG176M A42MX09-TQ176A A42MX09-1TQG176M A42MX24-TQG176A
Package 176-TQFP 176-TQFP - same footprint 176-TQFP - same footprint 176-TQFP - same footprint 176-TQFP - same footprint
Brand Microchip Technology (Microsemi/Actel) Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 14000 16000 class 14000 14000 24000
Logic Cells 336 [DATA_NEEDED] 336 336 [DATA_NEEDED]
Supply Voltage 5 V 5 V 5 V 5 V 5 V
Max System Frequency 192 MHz 192 MHz class 192 MHz Higher (speed grade 1) 192 MHz class
Screening Grade Automotive/Industrial (A) Military (M) Automotive/Industrial (A), leaded finish Military (M), speed grade 1 Automotive/Industrial (A)
Lead Finish Lead-free (G) Lead-free (G) Leaded (no G) Lead-free (G) Lead-free (G)

Key Differentiators

  • Larger logic capacity in same footprint (vs A42MX16-TQG176M)
  • Lead-free RoHS finish (vs A42MX09-TQ176A)
  • Non-volatile OTP fabric with no boot delay (vs SRAM FPGAs (cross-brand))

Design Notes

The A42MX09 operates from a single 5.0V rail. Decouple every VCC pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, and add bulk 10 uF capacitance near the package corner VCC/ground pairs. Because MX antifuse FPGAs draw low static current, dynamic switching on parallel I/O dominates; add per-bank decoupling when driving heavy 5V bus loads to limit ground bounce.

The MX family is one-time programmable (antifuse). Unlike SRAM FPGAs, a functional bug cannot be corrected after programming - the device is consumed. Run full RTL simulation and timing closure in the Microchip (Actel) Libero toolchain, and verify pin assignments against the MX family datasheet package tables before sending a device to programming. Reserve engineering budget for at least one re-spin of programmed parts.

The 176-TQFP has a 0.65 mm lead pitch; specify a solder mask-defined land pattern per the Microchip package drawing with slightly elongated pads to aid inspection. Keep 5V-to-noisy-switcher routing away from I/O banks feeding 5V legacy logic, and use a solid ground plane to return the switching currents of the 104 I/O. Thermal load is modest at 14K gates, so standard 2-ounce copper plane suffices - no heatsink is required.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

Distributor listings describe the A42MX09-TQG176A as LEAD FREE / RoHS. REACH, halogen-free, and conflict-minerals status not stated in provided data.

Related Searches

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Related Components & Terms

Microchip Technology Microsemi Actel A42MX09-TQG176A A42MX09 A42MX16-TQG176M A42MX24-TQG176A MX FPGA family field programmable gate array FPGA programmable logic device antifuse one-time programmable 176-TQFP TQFP package family surface mount 5.0V architecture 0.45 um CMOS 192 MHz Libero design suite RoHS industrial automation ASIC alternative user I/O
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