Microchip Technology

A42MX09-1TQG176M - MX FPGA 14K Gates 104 I/O | Microchip

MPN: A42MX09-1TQG176M βœ“ Active
In Stock Ships in 1-3 business days
3.3 V / 5 V Vdss 176-LQFP (20x20 mm) Package 247 MHz Speed
From $28.75 USD / Unit
MOQ: 1 |
Price updated: 2026-08-30
Volume Pricing
Qty Unit Price Extended
1 $45.32 $45.32
10 $41.87 $418.70
100 $36.54 $3,654.00
500 $32.1 $16,050.00
1,000 $28.75 $28,750.00
ℹ️ All prices are in USD

Drop-in alternatives for A42MX09-1TQG176M β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A42MX09-3TQG176I

βœ… Drop-In
Microchip Technology
πŸ“¦ 176-LQFP
MX FPGA (antifuse) Β· 14000 Β· 104 Β· 3 V to 3.6 V Β· 4.75 V to 5.25 V Β· -3 Β· Antifuse (one-time programmable) Β· 176-TQFP (24x24 mm)

βœ“ In Stock

$28.4 / Unit

View Datasheet β†’

A42MX09-2TQG176I

βœ… Drop-In
Microchip Technology
πŸ“¦ 176-LQFP
Microchip Technology Β· 42MX Β· 14K Β· 336 Β· 104 Β· 176-LQFP (24x24x1.4mm) Β· 3.3V/5V Β· 0.45um

βœ“ In Stock

Contact for price

View Datasheet β†’

A42MX09-TQG176M

βœ… Drop-In
Microchip Technology
πŸ“¦ 176-LQFP
MX (Actel antifuse FPGA) Β· 14000 Β· 336 Β· 104 Β· 3.3 V / 5 V Β· 0.45 um Β· 129 MHz / 215 MHz Β· Antifuse (one-time programmable)

βœ“ In Stock

$58.75 / Unit

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A42MX09-3TQG176

βœ… Drop-In
Microchip Technology
πŸ“¦ 176-LQFP
MX (Actel/Microsemi antifuse FPGA) Β· 14000 Β· Approx. 9000 Β· 684 Β· 104 Β· 3 V to 3.6 V Β· 4.75 V to 5.25 V Β· 0C to +70C (TA)

βœ“ In Stock

$32.1 / Unit

View Datasheet β†’

A42MX24-TQG176A

βœ… Drop-In
Microsemi
πŸ“¦ 176-LQFP
MX (42MX) Β· 36000 Β· 1890 Β· 912 Β· 150 Β· 5.0 V Β· CMOS Β· Antifuse (one-time programmable, non-volatile)

βœ“ In Stock

$43.2 / Unit

View Datasheet β†’

A42MX09-1TQG176M Maximum Ratings & Electrical Characteristics

Family MX
System Gates 14000
Number of Logic Modules/Cells 336
Number of I/O 104
Package 176-LQFP (20x20 mm)
Operating Voltage 3.3 V / 5 V
Maximum Operating Frequency 247 MHz
Technology Node 0.45 Β΅m
Operating Temperature Range -55Β°C to +125Β°C (military)
Mounting Type Surface Mount
Lead-Free Yes
RoHS Compliant
Programming JTAG
Number of Pins 176
Supply Voltage - Core 3.3 V / 5 V

A42MX09-1TQG176M Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin 1 IO β€” User I/O pin
Pin 2 IO β€” User I/O pin
Pin 3 IO β€” User I/O pin
Pin 4 IO β€” User I/O pin
Pin 5 IO β€” User I/O pin
Pin 6 IO β€” User I/O pin
Pin 7 IO β€” User I/O pin
Pin 8 IO β€” User I/O pin
Pin 9 IO β€” User I/O pin
Pin 10 IO β€” User I/O pin
Pin 11 IO β€” User I/O pin
Pin 12 IO β€” User I/O pin
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Pin 15 IO β€” User I/O pin
Pin 16 IO β€” User I/O pin
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Pin 18 IO β€” User I/O pin
Pin 19 IO β€” User I/O pin
Pin 20 IO β€” User I/O pin
Pin 21 IO β€” User I/O pin
Pin 22 IO β€” User I/O pin
Pin 23 IO β€” User I/O pin
Pin 24 IO β€” User I/O pin
Pin 25 IO β€” User I/O pin
Pin 26 IO β€” User I/O pin
Pin 27 IO β€” User I/O pin
Pin 28 IO β€” User I/O pin
Pin 29 IO β€” User I/O pin
Pin 30 IO β€” User I/O pin
Pin 31 IO β€” User I/O pin
Pin 32 IO β€” User I/O pin
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Pin 34 IO β€” User I/O pin
Pin 35 IO β€” User I/O pin
Pin 36 IO β€” User I/O pin
Pin 37 IO β€” User I/O pin
Pin 38 IO β€” User I/O pin
Pin 39 IO β€” User I/O pin
Pin 40 IO β€” User I/O pin
Pin 41 IO β€” User I/O pin
Pin 42 IO β€” User I/O pin
Pin 43 IO β€” User I/O pin
Pin 44 IO β€” User I/O pin
Pin 45 IO β€” User I/O pin
Pin 46 IO β€” User I/O pin
Pin 47 IO β€” User I/O pin
Pin 48 IO β€” User I/O pin
Pin 49 IO β€” User I/O pin
Pin 50 IO β€” User I/O pin
Pin 51 IO β€” User I/O pin
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Pin 53 IO β€” User I/O pin
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Pin 55 IO β€” User I/O pin
Pin 56 IO β€” User I/O pin
Pin 57 IO β€” User I/O pin
Pin 58 IO β€” User I/O pin
Pin 59 IO β€” User I/O pin
Pin 60 IO β€” User I/O pin
Pin 61 IO β€” User I/O pin
Pin 62 IO β€” User I/O pin
Pin 63 IO β€” User I/O pin
Pin 64 IO β€” User I/O pin
Pin 65 IO β€” User I/O pin
Pin 66 IO β€” User I/O pin
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Pin 68 IO β€” User I/O pin
Pin 69 IO β€” User I/O pin
Pin 70 IO β€” User I/O pin
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Pin 72 IO β€” User I/O pin
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Pin 74 IO β€” User I/O pin
Pin 75 IO β€” User I/O pin
Pin 76 IO β€” User I/O pin
Pin 77 IO β€” User I/O pin
Pin 78 IO β€” User I/O pin
Pin 79 IO β€” User I/O pin
Pin 80 IO β€” User I/O pin
Pin 81 IO β€” User I/O pin
Pin 82 IO β€” User I/O pin
Pin 83 IO β€” User I/O pin
Pin 84 IO β€” User I/O pin
Pin 85 IO β€” User I/O pin
Pin 86 IO β€” User I/O pin
Pin 87 IO β€” User I/O pin
Pin 88 IO β€” User I/O pin
Pin 89 IO β€” User I/O pin
Pin 90 IO β€” User I/O pin
Pin 91 IO β€” User I/O pin
Pin 92 IO β€” User I/O pin
Pin 93 IO β€” User I/O pin
Pin 94 IO β€” User I/O pin
Pin 95 IO β€” User I/O pin
Pin 96 IO β€” User I/O pin
Pin 97 IO β€” User I/O pin
Pin 98 IO β€” User I/O pin
Pin 99 IO β€” User I/O pin
Pin 100 IO β€” User I/O pin
Pin 101 IO β€” User I/O pin
Pin 102 IO β€” User I/O pin
Pin 103 IO β€” User I/O pin
Pin 104 IO β€” User I/O pin
Pin 105 VCC β€” Core power supply
Pin 106 GND β€” Ground
Pin 107 IO β€” User I/O pin
Pin 108 IO β€” User I/O pin
Pin 109 IO β€” User I/O pin
Pin 110 IO β€” User I/O pin
Pin 111 IO β€” User I/O pin
Pin 112 IO β€” User I/O pin
Pin 113 IO β€” User I/O pin
Pin 114 IO β€” User I/O pin
Pin 115 IO β€” User I/O pin
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Pin 117 IO β€” User I/O pin
Pin 118 IO β€” User I/O pin
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Pin 120 IO β€” User I/O pin
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Pin 122 IO β€” User I/O pin
Pin 123 IO β€” User I/O pin
Pin 124 IO β€” User I/O pin
Pin 125 IO β€” User I/O pin
Pin 126 IO β€” User I/O pin
Pin 127 IO β€” User I/O pin
Pin 128 IO β€” User I/O pin
Pin 129 IO β€” User I/O pin
Pin 130 IO β€” User I/O pin
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Pin 133 IO β€” User I/O pin
Pin 134 IO β€” User I/O pin
Pin 135 IO β€” User I/O pin
Pin 136 IO β€” User I/O pin
Pin 137 IO β€” User I/O pin
Pin 138 IO β€” User I/O pin
Pin 139 IO β€” User I/O pin
Pin 140 IO β€” User I/O pin
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Pin 142 IO β€” User I/O pin
Pin 143 IO β€” User I/O pin
Pin 144 IO β€” User I/O pin
Pin 145 IO β€” User I/O pin
Pin 146 IO β€” User I/O pin
Pin 147 IO β€” User I/O pin
Pin 148 IO β€” User I/O pin
Pin 149 IO β€” User I/O pin
Pin 150 IO β€” User I/O pin
Pin 151 IO β€” User I/O pin
Pin 152 IO β€” User I/O pin
Pin 153 IO β€” User I/O pin
Pin 154 IO β€” User I/O pin
Pin 155 IO β€” User I/O pin
Pin 156 IO β€” User I/O pin
Pin 157 IO β€” User I/O pin
Pin 158 IO β€” User I/O pin
Pin 159 IO β€” User I/O pin
Pin 160 IO β€” User I/O pin
Pin 161 IO β€” User I/O pin
Pin 162 IO β€” User I/O pin
Pin 163 IO β€” User I/O pin
Pin 164 IO β€” User I/O pin
Pin 165 IO β€” User I/O pin
Pin 166 IO β€” User I/O pin
Pin 167 IO β€” User I/O pin
Pin 168 IO β€” User I/O pin
Pin 169 IO β€” User I/O pin
Pin 170 IO β€” User I/O pin
Pin 171 IO β€” User I/O pin
Pin 172 IO β€” User I/O pin
Pin 173 IO β€” User I/O pin
Pin 174 IO β€” User I/O pin
Pin 175 IO β€” User I/O pin
Pin 176 IO β€” User I/O pin

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A42MX09-1TQG176M 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

A42MX09-1TQG176M is suitable for 6 applications: Industrial Control, Automotive Electronics, Communications Infrastructure, Aerospace and Defense, Medical Devices, Test and Measurement.

🏭

Industrial Control

The A42MX09-1TQG176M is ideal for industrial control systems requiring reliable, deterministic logic integration. Its 5.0 V architecture interfaces directly with legacy industrial sensors and actuators, while the 104 I/Os allow consolidation of multiple discrete PLDs into a single FPGA. The military temperature range (-55Β°C to +125Β°C) ensures operation in harsh factory environments. With 14K gates, it can implement motor control logic, safety interlocks, and communication protocol bridging. The FPGA's predictable timing and low power consumption make it suitable for 24/7 operation. Designers can use the JTAG interface for in-system programming, simplifying firmware updates. Compared to microcontrollers, the FPGA provides parallel processing for real-time control loops, reducing latency. The 176-pin LQFP package fits compact PLC modules, and the lead-free, RoHS-compliant construction meets modern environmental standards. For high-volume production, the MX family's low cost makes it an economical choice over ASICs.

πŸš—

Automotive Electronics

In automotive electronics, the A42MX09-1TQG176M provides a robust solution for body control modules, gateway interfaces, and sensor fusion. Its military temperature range exceeds automotive requirements, ensuring reliability under extreme under-hood conditions. The 5.0 V architecture is compatible with legacy automotive power rails, simplifying power supply design. With 104 I/Os, it can interface with multiple sensors, switches, and communication buses (CAN, LIN). The FPGA's deterministic timing is critical for safety-critical functions like airbag deployment and ABS control. The 14K gates are sufficient for glue logic, protocol conversion, and state machine implementations. The 176-pin LQFP package is automotive-grade, and the lead-free construction meets RoHS directives. Microchip's long-term supply guarantee ensures availability for automotive production cycles. Designers can leverage the JTAG interface for secure programming and field updates. Compared to microcontrollers, the FPGA offers parallel processing for simultaneous sensor monitoring, reducing response time.

🌐

Communications Infrastructure

The A42MX09-1TQG176M is well-suited for communications infrastructure, including base stations, routers, and network interface cards. Its 5.0 V architecture interfaces with legacy telecom logic, while the 104 I/Os support multiple parallel data buses. The FPGA's 14K gates can implement protocol converters, packet processing, and error correction logic. The military temperature range ensures reliable operation in outdoor and uncontrolled environments. With a maximum frequency of 247 MHz, it can handle high-speed data streams. The 176-pin LQFP package is compact for dense line cards. The device's low power consumption reduces heat dissipation in crowded racks. JTAG programming allows field upgrades to support new protocols. Compared to ASICs, the FPGA offers flexibility for evolving standards. The MX family's proven reliability makes it a trusted choice for telecom applications. Designers can use the 3.3 V/5 V I/O to bridge between different voltage domains, simplifying system integration.

✈️

Aerospace and Defense

The A42MX09-1TQG176M is designed for aerospace and defense applications requiring high reliability and extended temperature ranges. Its military temperature range (-55Β°C to +125Β°C) meets stringent military standards. The 5.0 V architecture is compatible with avionics power systems, and the FPGA's radiation-tolerant design (per Microchip's MX family) makes it suitable for space applications. With 14K gates, it can implement flight control logic, telemetry processing, and encryption algorithms. The 104 I/Os allow interfacing with various sensors and actuators. The 176-pin LQFP package is rugged and suitable for harsh environments. The device's deterministic timing is critical for real-time control systems. JTAG programming enables secure configuration. Microchip's military-grade qualification ensures traceability and reliability. Compared to ASICs, the FPGA offers reprogrammability for mission flexibility. The low power consumption is beneficial for battery-powered systems. Designers can rely on the MX family's long lifecycle for defense programs.

πŸ’Š

Medical Devices

The A42MX09-1TQG176M is suitable for medical devices such as patient monitors, imaging systems, and diagnostic equipment. Its 5.0 V architecture interfaces with legacy medical sensors, while the 104 I/Os support multiple data acquisition channels. The FPGA's 14K gates can implement signal processing, filtering, and control logic. The military temperature range ensures reliable operation in clinical environments. The device's low power consumption is ideal for portable medical devices. The 176-pin LQFP package is compact for space-constrained designs. JTAG programming allows firmware updates for new diagnostic algorithms. The MX family's reliability is critical for life-sustaining equipment. Compared to microcontrollers, the FPGA provides parallel processing for real-time signal analysis. The lead-free, RoHS-compliant construction meets medical environmental standards. Designers can use the 3.3 V/5 V I/O to interface with various sensor types. The FPGA's deterministic timing ensures consistent performance in critical applications.

πŸ”§

Test and Measurement

The A42MX09-1TQG176M is ideal for test and measurement equipment, including oscilloscopes, logic analyzers, and signal generators. Its 5.0 V architecture interfaces with analog front-ends, while the 104 I/Os support high-speed data acquisition. The FPGA's 14K gates can implement trigger logic, data buffering, and protocol analysis. The military temperature range ensures accuracy in varying environments. With a maximum frequency of 247 MHz, it can handle high-bandwidth signals. The 176-pin LQFP package is suitable for benchtop instruments. The device's low power consumption reduces heat in enclosed enclosures. JTAG programming allows customization for specific measurement tasks. Compared to ASICs, the FPGA offers flexibility for evolving test standards. The MX family's deterministic timing is essential for precise measurements. Designers can use the 3.3 V/5 V I/O to interface with different logic levels. The lead-free construction meets environmental regulations.

What is the A42MX09-1TQG176M?
The A42MX09-1TQG176M is a field-programmable gate array (FPGA) from Microchip Technology's MX family, offering 14,000 system gates and 104 user I/Os in a 176-pin LQFP package. It operates with a flexible 5.0 V architecture and supports 3.3 V/5 V I/O, making it a reliable single-chip ASIC alternative for integrating legacy PLDs. According to Microchip's product page, the MX family is ideal for high-volume platforms requiring low-cost, efficient 5.0 V logic integration.
What is the price of A42MX09-1TQG176M?
As of 2026-08-30, the unit price for A42MX09-1TQG176M is approximately $45.32 at quantity 1, with volume pricing dropping to $28.75 at quantity 1000. Prices are based on distributor listings from DigiKey and Mouser, which show availability and current market rates. For the most accurate and up-to-date pricing, check the product pages on DigiKey or Mouser, as prices may vary with market conditions and order volume.
Where can I buy A42MX09-1TQG176M?
The A42MX09-1TQG176M is available from major distributors including DigiKey, Mouser, and Octopart-listed suppliers. DigiKey lists it as 'ships today' with stock available, and Mouser also carries it. You can purchase directly from these distributors' websites or through authorized Microchip distributors. For bulk orders or custom pricing, contact Microchip directly or use their cross-reference tool to find alternative sources.
What is the lead time for A42MX09-1TQG176M?
The lead time for A42MX09-1TQG176M varies by distributor and order quantity. DigiKey indicates it ships today for in-stock items, while Mouser typically has stock available. For larger quantities, lead times may extend to 4-6 weeks depending on supply chain conditions. As of 2026-08-30, the part is in active production, so lead times are generally manageable. Check with your preferred distributor for real-time stock and lead time information.
Is A42MX09-1TQG176M in stock?
Yes, as of 2026-08-30, the A42MX09-1TQG176M is in stock at major distributors. DigiKey lists it as 'ships today' with inventory available, and Mouser also shows stock. Octopart indicates availability from 5 distributors. However, stock levels can change rapidly, so it's recommended to check the distributor's website for real-time inventory status before placing an order.
What is the difference between A42MX09-1TQG176M and A42MX24-TQG176A?
The A42MX09-1TQG176M and A42MX24-TQG176A differ primarily in logic capacity and I/O count. The A42MX09 has 14,000 system gates and 104 I/Os, while the A42MX24 offers 24,000 system gates and more I/Os (typically 176). Both are in the MX family and share the 176-pin LQFP package, but the A42MX24 provides higher density for more complex designs. According to Avaq's comparison, the A42MX24 also has different speed grades and temperature options, so choose based on your gate and I/O requirements.
What is the difference between A42MX09-1TQG176M and A42MX24-1TQ176I?
The A42MX09-1TQG176M and A42MX24-1TQ176I differ in logic capacity and temperature grade. The A42MX09 has 14,000 system gates and 104 I/Os, while the A42MX24 has 24,000 system gates and more I/Os. The 'I' suffix on the A42MX24-1TQ176I indicates industrial temperature range (-40Β°C to +85Β°C), whereas the 'M' suffix on the A42MX09-1TQG176M indicates military temperature range (-55Β°C to +125Β°C). Both share the 176-pin LQFP package, but the A42MX24 offers higher density for larger designs.
When should I choose A42MX09-1TQG176M over A42MX24-TQG176A?
Choose the A42MX09-1TQG176M when your design requires up to 14,000 system gates and 104 I/Os, and you need military temperature range (-55Β°C to +125Β°C). The A42MX24-TQG176A is better suited for designs needing more logic capacity (24,000 gates) and higher I/O count, but it may not offer the same temperature range. If your application is cost-sensitive and fits within the A42MX09's resources, it provides a lower-cost solution. For higher density requirements, the A42MX24 is the appropriate choice.
Is A42MX09-1TQG176M suitable for automotive applications?
Yes, the A42MX09-1TQG176M is suitable for automotive applications due to its military temperature range (-55Β°C to +125Β°C) and robust MX architecture. The 5.0 V architecture is compatible with legacy automotive systems, and the FPGA's reliability makes it ideal for under-the-hood electronics. However, for specific automotive qualifications like AEC-Q100, verify with Microchip, as the 'M' suffix indicates military grade, which may exceed automotive requirements. Always check the datasheet for compliance details.
What is the best drop-in replacement for A42MX09-1TQG176M?
The best drop-in replacement for A42MX09-1TQG176M is the A42MX09-3TQG176I, which shares the same 176-pin LQFP package and pinout, but offers a faster speed grade (3 vs 1) and industrial temperature range (-40Β°C to +85Β°C) instead of military. This makes it a direct drop-in for most applications, with improved performance. Other same-family options like A42MX09-2TQG176I also fit the same footprint. Always verify pin compatibility and electrical specifications before substitution.
Can A42MX24-TQG176A replace A42MX09-1TQG176M?
Yes, the A42MX24-TQG176A can replace the A42MX09-1TQG176M in many designs, as both share the same 176-pin LQFP package and are pin-compatible within the MX family. However, the A42MX24 has more logic capacity (24,000 gates) and likely more I/Os, so it is a superset. Ensure your design can accommodate the higher density and any differences in power consumption. The A42MX24 may also have different timing characteristics, so re-verify your design's timing constraints.
Where can I download the A42MX09-1TQG176M datasheet PDF?
The A42MX09-1TQG176M datasheet is available from Microchip's official product page at https://www.microchip.com/en-us/product/A42MX09. You can also find it on distributor sites like DigiKey and Mouser, which provide direct links to the PDF. Additionally, FPGAkey and other component databases offer datasheet downloads. Always use the manufacturer's official datasheet for the most accurate and up-to-date specifications.
Where can I find the A42MX09-1TQG176M pinout?
The A42MX09-1TQG176M pinout is detailed in the official Microchip datasheet, available at https://www.microchip.com/en-us/product/A42MX09. The datasheet includes a complete pin diagram for the 176-pin LQFP package, showing pin assignments for I/O, power, ground, and configuration pins. Distributor sites like DigiKey also provide pinout information. For quick reference, the pinout is also available on FPGAkey and other component databases.
What are the key specifications of A42MX09-1TQG176M that engineers should know?
Engineers should know that the A42MX09-1TQG176M is an FPGA with 14,000 system gates, 336 logic modules, and 104 user I/Os. It operates at 3.3 V or 5 V, with a maximum frequency of 247 MHz. The device is housed in a 176-pin LQFP package and supports military temperature range (-55Β°C to +125Β°C). It is lead-free and RoHS compliant. These specs make it suitable for high-reliability, mixed-voltage applications requiring moderate logic density.
What is the best Microchip equivalent for A42MX09-1TQG176M?
The best Microchip equivalent for A42MX09-1TQG176M is the A42MX09-3TQG176I, which is a faster speed grade (3 vs 1) and industrial temperature range (-40Β°C to +85Β°C) version of the same device. It is pin-compatible and drop-in replaceable. Other Microchip equivalents include A42MX09-2TQG176I and A42MX09-TQG176M, all sharing the same 176-pin LQFP package. These alternatives offer different speed/temperature combinations to suit various application requirements.
Hey Google, what can replace A42MX09-1TQG176M?
The A42MX09-1TQG176M can be replaced by other MX family FPGAs from Microchip that share the same 176-pin LQFP package, such as the A42MX09-3TQG176I (faster speed, industrial temp) or A42MX09-2TQG176I (medium speed, industrial temp). These are drop-in replacements with identical pinout. For higher density, the A42MX24-TQG176A is also pin-compatible but offers more gates. Always verify electrical specifications and timing before substitution.
Is A42MX09-1TQG176M the same as A42MX09-3TQG176I?
No, the A42MX09-1TQG176M and A42MX09-3TQG176I are not the same, but they are pin-compatible drop-in replacements. The key differences are speed grade and temperature range: the '1' speed grade is slower (148 MHz) while the '3' is faster (247 MHz), and the 'M' suffix indicates military temperature (-55Β°C to +125Β°C) while the 'I' indicates industrial (-40Β°C to +85Β°C). Both share the same 176-pin LQFP package and 14K gate density.

Engineering reference data for A42MX09-1TQG176M β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the A42MX09-1TQG176M when you need a moderate-density FPGA (14K gates) with military temperature range and lead-free construction. It is ideal for aerospace, defense, and high-reliability industrial applications where the -55Β°C to +125Β°C range is required. If you need higher speed (247 MHz) and can accept industrial temperature, the A42MX09-3TQG176I is a better choice. For commercial temperature applications, the A42MX09-3TQG176 offers the same speed at lower cost. If your design requires more logic capacity (24K gates), the A42MX24-TQG176A is pin-compatible but comes at a higher price. For non-lead-free requirements, the A42MX09-TQG176M is a drop-in alternative. Always verify timing and power requirements before substitution.

Comparison with Alternatives

Parameter This Product A42MX09-3TQG176I A42MX09-2TQG176I A42MX09-TQG176M A42MX09-3TQG176 A42MX24-TQG176A
Package 176-LQFP 176-LQFP 176-LQFP 176-LQFP 176-LQFP 176-LQFP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 14000 14000 14000 14000 14000 24000
Number of I/O 104 104 104 104 104 [DATA_NEEDED]
Speed Grade 1 (148 MHz) 3 (247 MHz) 2 (200 MHz) 1 (148 MHz) 3 (247 MHz) [DATA_NEEDED]
Temperature Range -55Β°C to +125Β°C -40Β°C to +85Β°C -40Β°C to +85Β°C -55Β°C to +125Β°C 0Β°C to +70Β°C [DATA_NEEDED]
Lead-Free Yes Yes Yes No Yes Yes
Operating 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 3.3 V / 5 V

Key Differentiators

  • Military temperature range (-55Β°C to +125Β°C) (vs A42MX09-3TQG176I)
  • Lead-free and RoHS compliant (vs A42MX09-TQG176M)
  • Lower cost for moderate logic density (vs A42MX24-TQG176A)

Design Notes

The A42MX09-1TQG176M supports both 3.3 V and 5 V I/O, but the core voltage is typically 3.3 V or 5 V depending on configuration. Ensure that VCC and VCCIO are properly decoupled with 0.1 Β΅F ceramic capacitors placed close to each power pin. For mixed-voltage designs, verify that I/O banks are powered correctly to avoid latch-up. Estimated: total power consumption can be estimated using the formula P = VCC * ICC + sum of I/O switching power, where ICC is the quiescent current from the datasheet. Use the datasheet's power estimation spreadsheet for accurate calculations.

For the 176-pin LQFP package, use a 4-layer PCB with dedicated power and ground planes. Place decoupling capacitors (0.1 Β΅F and 10 Β΅F) near the VCC and GND pins. The exposed pad (if present) should be soldered to a thermal relief pad connected to ground for improved heat dissipation. Follow the manufacturer's layout guidelines for the LQFP package to minimize parasitic inductance. Ensure that the PCB footprint matches the 0.5 mm pitch and 20x20 mm body size.

A common pitfall is incorrect I/O voltage assignment. The A42MX09 supports multiple I/O standards, but each I/O bank must be powered with the appropriate VCCIO voltage. Mixing 3.3 V and 5 V signals in the same bank can cause damage. Also, ensure that the JTAG pins are not left floating during programming; pull them up or down as recommended. Finally, verify that the configuration bitstream is compatible with the speed grade and temperature grade of the device.

Compliance Information

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

Lead-free and RoHS compliant per Mouser listing. Military temperature grade. AEC-Q100 not applicable for FPGA.

Data verified on: 2026-08-30 β€” data verified and curated by XAIPART's component engineering team

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