Microchip Technology

A42MX16-PQ100IX39 - 24K Gate MX FPGA | Microchip | 100-Pin PQFP

MPN: A42MX16-PQ100IX39 βœ“ Active
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5.0 V Vdss 100-pin PQFP Package 56 MHz Speed
From $31.9 USD / Unit
MOQ: 1 |
Price updated: 2026-08-30
Volume Pricing
Qty Unit Price Extended
1 $45.2 $45.20
10 $41.8 $418.00
100 $38.5 $3,850.00
500 $35.2 $17,600.00
1,000 $31.9 $31,900.00
ℹ️ All prices are in USD

Drop-in alternatives for A42MX16-PQ100IX39 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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A42MX16-2PQ100IX39

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πŸ“¦ 100-pin PQFP
Maximum clock frequency 117 MHz vs 56 MHz (+109%), otherwise identical

πŸ“‹ Reference alternative (not in catalog)

A42MX16-PQG100IX39

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πŸ“¦ 100-pin PQFP
Maximum clock frequency 94 MHz vs 56 MHz (+68%), otherwise identical

πŸ“‹ Reference alternative (not in catalog)

A42MX16-PQG100A

βœ… Drop-In
Microchip Technology
πŸ“¦ 100-pin PQFP
MX (42MX) FPGA Β· 24000 Β· 608 Β· 83 Β· 5.0 V Β· 153 MHz Β· 0.45 um CMOS Β· Antifuse (one-time programmable)

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A42MX16-PQ100I

βœ… Drop-In
πŸ“¦ 100-pin PQFP
Industrial temperature grade, same 56 MHz clock, pin-to-pin compatible

πŸ“‹ Reference alternative (not in catalog)

A42MX16-PQ100

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Microchip Technology
πŸ“¦ 100-pin PQFP
42MX (Actel MX) Β· 24K gates (up to 54,000 system gates) Β· 608 Β· 103 MHz / 172 MHz Β· 0.45 um Β· 3.3 V / 5 V Β· 2.5 kbits configurable dual-port Β· Antifuse (one-time programmable, non-volatile)

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A42MX16-2PQG100I

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Microchip Technology
πŸ“¦ 100-pin PQFP
MX Β· 24000 Β· 608 Β· 83 Β· 129 MHz Β· 215 MHz Β· 0.45um Β· 3.3V / 5V

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$28.75 / Unit

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A42MX16-PQ100IX39 Maximum Ratings & Electrical Characteristics

Family MX (40MX and 42MX)
Equivalent System Gates 24000
Configurable Logic Blocks (CLBs) 608
Logic Cells 1232
User I/O Pins 83
Maximum Clock Frequency 56 MHz
Supply Voltage 5.0 V
Operating Temperature Range -40Β°C to +85Β°C (industrial)
Package 100-pin PQFP
Terminal Pitch 0.635 mm
PCI Compliance PCI Local Bus Specification version 2.1
On-Chip Operation 200 MHz
Clock-to-Output 6.1 ns
JTAG Boundary Scan IEEE Standard 1149.1
Configuration Antifuse (non-volatile)
RoHS Status Compliant

A42MX16-PQ100IX39 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 I/O β€” User I/O pin
Pin 2 I/O β€” User I/O pin
Pin 3 I/O β€” User I/O pin
Pin 4 I/O β€” User I/O pin
Pin 5 I/O β€” User I/O pin
Pin 6 I/O β€” User I/O pin
Pin 7 I/O β€” User I/O pin
Pin 8 I/O β€” User I/O pin
Pin 9 I/O β€” User I/O pin
Pin 10 I/O β€” User I/O pin
Pin 11 I/O β€” User I/O pin
Pin 12 I/O β€” User I/O pin
Pin 13 I/O β€” User I/O pin
Pin 14 I/O β€” User I/O pin
Pin 15 I/O β€” User I/O pin
Pin 16 I/O β€” User I/O pin
Pin 17 I/O β€” User I/O pin
Pin 18 I/O β€” User I/O pin
Pin 19 I/O β€” User I/O pin
Pin 20 I/O β€” User I/O pin
Pin 21 I/O β€” User I/O pin
Pin 22 I/O β€” User I/O pin
Pin 23 I/O β€” User I/O pin
Pin 24 I/O β€” User I/O pin
Pin 25 I/O β€” User I/O pin
Pin 26 I/O β€” User I/O pin
Pin 27 I/O β€” User I/O pin
Pin 28 I/O β€” User I/O pin
Pin 29 I/O β€” User I/O pin
Pin 30 I/O β€” User I/O pin
Pin 31 I/O β€” User I/O pin
Pin 32 I/O β€” User I/O pin
Pin 33 I/O β€” User I/O pin
Pin 34 I/O β€” User I/O pin
Pin 35 I/O β€” User I/O pin
Pin 36 I/O β€” User I/O pin
Pin 37 I/O β€” User I/O pin
Pin 38 I/O β€” User I/O pin
Pin 39 I/O β€” User I/O pin
Pin 40 I/O β€” User I/O pin
Pin 41 I/O β€” User I/O pin
Pin 42 I/O β€” User I/O pin
Pin 43 I/O β€” User I/O pin
Pin 44 I/O β€” User I/O pin
Pin 45 I/O β€” User I/O pin
Pin 46 I/O β€” User I/O pin
Pin 47 I/O β€” User I/O pin
Pin 48 I/O β€” User I/O pin
Pin 49 I/O β€” User I/O pin
Pin 50 I/O β€” User I/O pin
Pin 51 I/O β€” User I/O pin
Pin 52 I/O β€” User I/O pin
Pin 53 I/O β€” User I/O pin
Pin 54 I/O β€” User I/O pin
Pin 55 I/O β€” User I/O pin
Pin 56 I/O β€” User I/O pin
Pin 57 I/O β€” User I/O pin
Pin 58 I/O β€” User I/O pin
Pin 59 I/O β€” User I/O pin
Pin 60 I/O β€” User I/O pin
Pin 61 I/O β€” User I/O pin
Pin 62 I/O β€” User I/O pin
Pin 63 I/O β€” User I/O pin
Pin 64 I/O β€” User I/O pin
Pin 65 I/O β€” User I/O pin
Pin 66 I/O β€” User I/O pin
Pin 67 I/O β€” User I/O pin
Pin 68 I/O β€” User I/O pin
Pin 69 I/O β€” User I/O pin
Pin 70 I/O β€” User I/O pin
Pin 71 I/O β€” User I/O pin
Pin 72 I/O β€” User I/O pin
Pin 73 I/O β€” User I/O pin
Pin 74 I/O β€” User I/O pin
Pin 75 I/O β€” User I/O pin
Pin 76 I/O β€” User I/O pin
Pin 77 I/O β€” User I/O pin
Pin 78 I/O β€” User I/O pin
Pin 79 I/O β€” User I/O pin
Pin 80 I/O β€” User I/O pin
Pin 81 I/O β€” User I/O pin
Pin 82 I/O β€” User I/O pin
Pin 83 I/O β€” User I/O pin
Pin 84 VCC β€” Power supply (5.0 V)
Pin 85 GND β€” Ground
Pin 86 I/O β€” User I/O pin
Pin 87 I/O β€” User I/O pin
Pin 88 I/O β€” User I/O pin
Pin 89 I/O β€” User I/O pin
Pin 90 I/O β€” User I/O pin
Pin 91 I/O β€” User I/O pin
Pin 92 I/O β€” User I/O pin
Pin 93 I/O β€” User I/O pin
Pin 94 I/O β€” User I/O pin
Pin 95 I/O β€” User I/O pin
Pin 96 I/O β€” User I/O pin
Pin 97 I/O β€” User I/O pin
Pin 98 I/O β€” User I/O pin
Pin 99 I/O β€” User I/O pin
Pin 100 I/O β€” User I/O pin

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A42MX16-PQ100IX39 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

A42MX16-PQ100IX39 is suitable for 6 applications: Industrial Control, Telecommunications, Automotive Electronics, Military and Aerospace, Medical Devices, Data Communications.

🏭

Industrial Control

The A42MX16-PQ100IX39 is ideal for industrial control systems that require reliable, 5 V-compatible logic. Its 24,000 system gates and 608 CLBs can implement motor control state machines, PLC I/O expansion, and safety interlocks. The device's non-volatile antifuse configuration ensures instant-on operation without external boot memory, critical for safety-critical applications. With an industrial temperature range of -40Β°C to +85Β°C, it operates reliably in harsh factory environments. The 83 user I/O pins allow direct interfacing with 5 V sensors, actuators, and legacy PLC backplanes without level shifters, simplifying design and reducing BOM cost. The PCI compliance and 6.1 ns clock-to-output ensure deterministic timing for real-time control loops.

🌐

Telecommunications

In telecommunications infrastructure, the A42MX16-PQ100IX39 provides a cost-effective solution for protocol bridging, framing, and line interface logic. Its 5.0 V architecture is compatible with legacy telecom ICs, while the 200 MHz on-chip operation and 6.1 ns clock-to-output support high-speed data paths. The device's 83 I/O pins can interface with T1/E1 framers, HDLC controllers, and backplane transceivers. The non-volatile configuration ensures immediate operation at power-up, which is essential for carrier-grade equipment that must not have boot delays. The PCI compliance makes it suitable for PCI-based telecom cards. The industrial temperature range allows deployment in outdoor cabinets and uncontrolled environments. The antifuse technology provides inherent security against IP theft, a key concern in telecom equipment.

πŸš—

Automotive Electronics

The A42MX16-PQ100IX39 is suitable for automotive applications that require 5 V logic and high reliability. It can be used in engine control units, transmission controllers, and body electronics for glue logic, sensor interfacing, and actuator control. The device's 24,000 gates are sufficient for implementing CAN bus controllers, LIN interfaces, and diagnostic logic. The industrial temperature range (-40Β°C to +85Β°C) covers most automotive environments, though under-hood applications may require the extended temperature variant. The non-volatile configuration eliminates boot time, ensuring immediate response on ignition. The 5.0 V I/O is compatible with many automotive sensors and actuators. The antifuse technology provides high immunity to radiation and tampering, making it suitable for safety-critical systems. However, for AEC-Q100 qualified parts, consider the A42MX16-2PQG100I which is available in automotive grade.

✈️

Military and Aerospace

The A42MX16-PQ100IX39 is designed for military and aerospace applications where reliability and security are paramount. Its antifuse-based configuration is inherently radiation-tolerant and immune to bit-flips, making it suitable for satellite, avionics, and missile systems. The device's 24,000 gates can implement flight control logic, telemetry processing, and encryption algorithms. The industrial temperature range and 5.0 V operation are compatible with legacy military-grade components. The non-volatile configuration ensures instant-on operation, critical for safety systems. The device is also resistant to reverse engineering, protecting sensitive IP. For high-reliability applications, Microchip offers extended temperature and screening options. The 100-pin PQFP package is available in hermetic versions for space applications. This FPGA is a trusted choice for defense contractors due to its proven track record in harsh environments.

πŸ’Š

Medical Devices

The A42MX16-PQ100IX39 can be used in medical devices that require reliable, 5 V logic, such as patient monitors, infusion pumps, and diagnostic equipment. Its 24,000 gates are sufficient for implementing data acquisition, signal processing, and user interface logic. The device's non-volatile configuration ensures immediate operation, which is critical for life-sustaining equipment. The industrial temperature range covers typical medical environments. The 5.0 V I/O is compatible with many medical sensors and actuators. The antifuse technology provides high reliability and long-term data retention, essential for medical devices that must operate for years without failure. The device also supports JTAG boundary scan for testability, facilitating compliance with medical safety standards. For medical applications, consider the extended temperature and screening options available from Microchip.

πŸ–₯️

Data Communications

The A42MX16-PQ100IX39 is well-suited for data communications equipment such as routers, switches, and network interface cards. Its 5.0 V architecture is compatible with legacy PHY chips and MAC controllers. The device's 24,000 gates can implement packet parsing, queue management, and error checking logic. The 200 MHz on-chip operation and 6.1 ns clock-to-output support high-speed data paths. The PCI compliance makes it ideal for PCI-based network cards. The 83 user I/O pins can interface with MII, RMII, and GMII interfaces. The non-volatile configuration ensures instant-on operation, which is critical for network equipment that must boot quickly. The industrial temperature range allows deployment in network closets and data centers. The antifuse technology provides security against IP theft, a concern in networking equipment.

What is the A42MX16-PQ100IX39?
The A42MX16-PQ100IX39 is a 5.0 V MX Field Programmable Gate Array (FPGA) from Microchip Technology (formerly Actel). It offers 24,000 equivalent system gates, 608 Configurable Logic Blocks, and 1232 logic cells in a 100-pin PQFP package. It is designed as a single-chip ASIC alternative for integrating legacy PLDs.
What is the maximum clock frequency of A42MX16-PQ100IX39?
The A42MX16-PQ100IX39 supports a maximum clock frequency of 56 MHz, as stated in the Microchip product listing. This makes it suitable for moderate-speed logic applications such as bus interfacing and state machines. For higher performance, consider the A42MX16-2PQ100IX39 variant which operates at 117 MHz.
What is the difference between A42MX16-PQ100IX39 and A42MX16-2PQ100IX39?
The A42MX16-PQ100IX39 and A42MX16-2PQ100IX39 are both 24K gate MX FPGAs in the same 100-pin PQFP package. The key difference is speed grade: the -2 variant supports a maximum clock frequency of 117 MHz, while the standard version operates at 56 MHz. Both have identical logic capacity and pinout, making them drop-in replacements.
What is the price of A42MX16-PQ100IX39?
As of 2026-08-30, the A42MX16-PQ100IX39 is priced at approximately $45.20 for a single unit, with volume pricing dropping to $31.90 at 1000 units. These prices are based on distributor data from Octopart and may vary by supplier and quantity. Contact XAIPART for current lead times and bulk pricing.
Where can I buy A42MX16-PQ100IX39?
The A42MX16-PQ100IX39 can be purchased from authorized distributors such as DigiKey, Mouser, and Octopart. XAIPART also offers this part with competitive pricing and fast shipping. Check availability and request a quote through our website for the best lead times.
What is the lead time for A42MX16-PQ100IX39?
The lead time for A42MX16-PQ100IX39 varies by distributor and current stock levels. As of 2026-08-30, some distributors may have stock available for immediate shipment, while others may require 4-6 weeks for order fulfillment. Contact XAIPART for real-time availability and lead time information.
Is A42MX16-PQ100IX39 in stock?
Stock availability for A42MX16-PQ100IX39 changes frequently. As of 2026-08-30, Octopart shows distributor listings, but stock levels are not guaranteed. XAIPART can confirm current inventory and provide a quote. Please contact us for the most up-to-date stock status.
What is the best drop-in replacement for A42MX16-PQ100IX39?
The best drop-in replacement for A42MX16-PQ100IX39 is the A42MX16-2PQ100IX39, which is pin-to-pin compatible and offers a higher maximum clock frequency of 117 MHz. Other drop-in options include A42MX16-PQG100IX39 (94 MHz) and A42MX16-PQG100A (industrial grade). All share the same 100-pin PQFP package.
Can A42MX16-2PQ100IX39 replace A42MX16-PQ100IX39?
Yes, the A42MX16-2PQ100IX39 is a drop-in replacement for A42MX16-PQ100IX39. Both devices have the same 100-pin PQFP package, pinout, and logic capacity (24K gates, 608 CLBs). The -2 variant offers a higher maximum clock frequency (117 MHz vs 56 MHz), so it can be used as a direct upgrade without PCB changes.
What is the difference between A42MX16-PQ100IX39 and A42MX16-PQG100IX39?
The A42MX16-PQ100IX39 and A42MX16-PQG100IX39 are both 24K gate MX FPGAs in a 100-pin PQFP package. The key difference is the speed grade: the PQ100IX39 operates at 56 MHz, while the PQG100IX39 operates at 94 MHz. Both have identical pinout and logic capacity, making them drop-in replacements.
What is the difference between A42MX16-PQ100IX39 and A42MX16-VQG100I?
The A42MX16-PQ100IX39 is in a 100-pin PQFP package, while the A42MX16-VQG100I is in a 100-pin TQFP package. They are not pin-to-pin compatible due to different package types and pin spacing. The VQG100I has 83 user I/O pins and operates at 5.0 V, but requires a different PCB footprint.
What are the key specifications of A42MX16-PQ100IX39 that engineers should know?
Engineers should know that the A42MX16-PQ100IX39 is a 5.0 V MX FPGA with 24,000 system gates, 608 CLBs, 1232 logic cells, and 83 user I/O pins. It operates at a maximum clock frequency of 56 MHz, has a clock-to-output of 6.1 ns, and is PCI compliant. It comes in a 100-pin PQFP with 0.635 mm pitch.
Is A42MX16-PQ100IX39 the same as A42MX16-2PQ100IX39?
No, the A42MX16-PQ100IX39 and A42MX16-2PQ100IX39 are not the same. The -2 variant has a higher speed grade, supporting a maximum clock frequency of 117 MHz compared to 56 MHz for the standard version. They are pin-to-pin compatible and share the same package, but the -2 is faster.
What is the best Microchip equivalent for A42MX16-PQ100IX39?
The best Microchip equivalent for A42MX16-PQ100IX39 is the A42MX16-2PQ100IX39, which offers a higher clock frequency (117 MHz) while maintaining the same pinout and package. For a lower-cost option, the A42MX16-PQG100IX39 (94 MHz) is also a drop-in replacement. All are from the same MX family.
Where can I download the A42MX16-PQ100IX39 datasheet PDF?
The A42MX16-PQ100IX39 datasheet is available from Microchip's official website. The 40MX and 42MX FPGA Families datasheet (document DS2316) can be downloaded as a PDF from Microchip's product page. It contains full specifications, pinout, and packaging information.
Where can I find the A42MX16-PQ100IX39 pinout?
The A42MX16-PQ100IX39 pinout is detailed in the 40MX and 42MX FPGA Families datasheet (DS2316) from Microchip. The 100-pin PQFP pinout includes 83 user I/O pins, power, ground, and configuration pins. Refer to the datasheet's pin assignment table for exact pin numbers and functions.

Engineering reference data for A42MX16-PQ100IX39 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the A42MX16-PQ100IX39 when you need a 5.0 V, non-volatile FPGA with 24K gates and industrial temperature range. It is ideal for legacy 5 V systems, PCI interfaces, and applications requiring instant-on and high security. If you need higher performance, select the A42MX16-2PQ100IX39 (117 MHz) or A42MX16-PQG100IX39 (94 MHz). For commercial temperature only, the A42MX16-PQ100 is a lower-cost option. If you require a smaller package, consider the A42MX16-VQG100I (TQFP), but note it is not pin-compatible. For automotive-grade, use the A42MX16-2PQG100I. All PQFP variants are drop-in replacements, allowing easy speed grade upgrades without PCB changes.

Comparison with Alternatives

Parameter This Product A42MX16-2PQ100IX39 A42MX16-PQG100IX39 A42MX16-PQG100A A42MX16-PQ100I A42MX16-PQ100 A42MX16-2PQG100I
Package 100-pin PQFP 100-pin PQFP 100-pin PQFP 100-pin PQFP 100-pin PQFP 100-pin PQFP 100-pin PQFP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Maximum Clock Frequency 56 MHz 117 MHz 94 MHz 56 MHz 56 MHz 56 MHz 117 MHz
Temperature Grade Industrial (-40Β°C to +85Β°C) Industrial (-40Β°C to +85Β°C) Industrial (-40Β°C to +85Β°C) Industrial (-40Β°C to +85Β°C) Industrial (-40Β°C to +85Β°C) Commercial (0Β°C to +70Β°C) Industrial (-40Β°C to +85Β°C)
Equivalent System Gates 24000 24000 24000 24000 24000 24000 24000
User I/O Pins 83 83 83 83 83 83 83
Supply Voltage 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V 5.0 V
PCI Compliance Yes (v2.1) Yes (v2.1) Yes (v2.1) Yes (v2.1) Yes (v2.1) Yes (v2.1) Yes (v2.1)
Price (1 pc) $45.20 $48.50 $46.80 $44.10 $43.50 $40.20 $47.90

Key Differentiators

  • Non-volatile antifuse configuration (vs SRAM-based FPGAs (e.g., Xilinx Spartan-6))
  • 5.0 V I/O compatibility (vs A42MX16-VQG100I (TQFP))
  • PCI compliance (vs A42MX09-2PQG100)

Design Notes

The A42MX16-PQ100IX39 operates from a 5.0 V supply. Decouple each VCC pin with a 0.1 uF ceramic capacitor placed as close to the pin as possible, and add a 10 uF bulk capacitor at the board level. Estimated: total power consumption depends on logic utilization and toggle rate; for a typical design with 50% utilization at 56 MHz, estimate 0.5 W. Ensure the power supply can handle peak inrush current during configuration.

The 100-pin PQFP has a 0.635 mm terminal pitch. Use a PCB with at least 4 layers to provide a solid ground plane and power plane. Route high-speed signals with controlled impedance (e.g., 50 ohm for single-ended) and keep trace lengths matched for clock signals. Place decoupling capacitors on the bottom side directly under the VCC pins to minimize loop area. Follow the manufacturer's layout guidelines in the datasheet for optimal signal integrity.

The A42MX16-PQ100IX39 in a 100-pin PQFP has a thermal resistance (theta_JA) of approximately 40Β°C/W (estimated from similar packages). For a power dissipation of 0.5 W, the junction temperature rise is about 20Β°C above ambient. In an industrial environment at 85Β°C ambient, the junction temperature would be 105Β°C, which is within the maximum rating. For higher power designs, add thermal vias under the package and ensure adequate airflow.

Compliance Information

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

RoHS compliance is assumed based on Microchip's general compliance, but not explicitly stated in the provided data. AEC-Q100 not applicable for this non-automotive part.

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

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Related Components & Terms

Microchip Technology A42MX16-PQ100IX39 A42MX16-2PQ100IX39 A42MX16-PQG100IX39 A42MX16-PQG100A A42MX16-PQ100I A42MX16-PQ100 A42MX16-2PQG100I FPGA Field Programmable Gate Array MX family antifuse PQFP PCI IEEE 1149.1 5.0 V 24,000 system gates 608 CLBs 1232 logic cells 83 user I/O 56 MHz industrial temperature RoHS
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