A42MX36PQ208-1M - 54K Gate FPGA | Microchip | 208-PQFP
MPN: A42MX36PQ208-1M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40.5 | $405.00 |
| 100 | $36 | $3,600.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29 | $29,000.00 |
A42MX36PQ208-1M Overview
An FPGA is an integrated circuit that can be configured by the customer after manufacturing to implement custom digital logic functions. FPGAs belong to the programmable logic device (PLD) family, which also includes CPLDs and SPLDs. They offer flexibility and rapid prototyping compared to ASICs, allowing designers to implement complex logic without the high NRE costs of custom silicon. The 40MX and 42MX families are known for their reliable, single-chip ASIC alternative capability, integrating legacy PLDs into a low-cost device.
Key features include 54K gates, 1,184 cells, 176 user I/Os, and support for 3.3V and 5V operation. The device is fully compliant with the PCI Local Bus Specification (version 2.1), ensuring compatibility with standard PCI interfaces. It also includes IEEE Standard 1149.1 (JTAG) Boundary Scan Testing for efficient board-level testing. The 42MX36 devices feature fast wide-decode modules for improved performance in address decoding and other wide-input logic functions.
Technically, the A42MX36PQ208-1M uses a 0.45um CMOS process, balancing speed and power consumption. The -1 speed grade indicates a specific performance bin, with 79 MHz/131 MHz typical operating frequencies. The PQFP-208 package provides a compact footprint for space-constrained designs while offering adequate thermal dissipation. The device supports both 3.3V and 5V I/O, enabling interfacing with legacy and modern logic families.
Typical applications include PCI interface cards, industrial control systems, telecommunications equipment, and aerospace/defense electronics where reliability and long-term availability are critical. The MX family's non-volatile, flash-based architecture ensures instant-on operation and high security against reverse engineering, making it ideal for defense and secure communication systems.
When designing with this device, consider the power supply decoupling: place 0.1uF and 10uF capacitors close to each VCC and GND pin to minimize noise. Also, ensure proper JTAG configuration for programming and testing. The device is lead-free and RoHS compliant, but verify specific compliance for your region.
Drop-in alternatives for A42MX36PQ208-1M — 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 A42MX36PQ208-1M (same form factor and footprint) — differing in Family, Package, RoHS Status, System Gates, Logic Modules.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A42MX36-PQ208
✅ Drop-In📋 Reference alternative (not in catalog)
A42MX36-PQG208I
✅ Drop-In✓ In Stock
$55 / Unit
View Datasheet →A42MX36-1PQ208M
✅ Drop-In📋 Reference alternative (not in catalog)
A42MX36-PQ208A
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
A42MX36-PQ208I
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
A42MX36PQ208-1M Maximum Ratings & Electrical Characteristics
| Family | 40MX and 42MX |
| System Gates | 54000 |
| Logic Modules | 1184 |
| User I/Os | 176 |
| Package | 208-PQFP |
| Operating Voltage | 3.3V/5V |
| Maximum On-Chip Frequency | 200 MHz |
| Clock-to-Output Delay | 6.1 ns |
| Process Technology | 0.45um |
| Speed Grade | -1 |
| Operating Frequency | 79 MHz/131 MHz |
| PCI Compliance | PCI Local Bus Spec 2.1 |
| JTAG Support | IEEE 1149.1 |
| Maximum Junction Temperature | 150°C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
A42MX36PQ208-1M Pin Configuration
| Pin 1 | IO — User I/O |
| Pin 2 | IO — User I/O |
| Pin 3 | VCC — Power supply |
| Pin 4 | GND — Ground |
| Pin 5 | IO — User I/O |
| Pin 6 | IO — User I/O |
| Pin 7 | IO — User I/O |
| Pin 8 | IO — User I/O |
| Pin 9 | IO — User I/O |
| Pin 10 | IO — User I/O |
| Pin 11 | IO — User I/O |
| Pin 12 | IO — User I/O |
| Pin 13 | IO — User I/O |
| Pin 14 | IO — User I/O |
| Pin 15 | IO — User I/O |
| Pin 16 | IO — User I/O |
| Pin 17 | IO — User I/O |
| Pin 18 | IO — User I/O |
| Pin 19 | IO — User I/O |
| Pin 20 | IO — User I/O |
Typical Applications
A42MX36PQ208-1M is suitable for 6 applications: PCI Interface Cards, Industrial Control Systems, Telecommunications Equipment, Aerospace and Defense, Legacy PLD Integration, Secure Communication Systems.
PCI Interface Cards
The A42MX36PQ208-1M is fully compliant with the PCI Local Bus Specification (version 2.1), making it ideal for PCI interface cards. Its 176 user I/Os and 54K gates provide ample resources for implementing bus controllers, address decoding, and data buffering. The 6.1 ns clock-to-output delay ensures fast signal propagation, meeting PCI timing requirements. Designers can integrate multiple legacy PLDs into a single FPGA, reducing board space and cost. The device's 3.3V/5V operation allows interfacing with both legacy and modern PCI systems.
Recommended
Industrial Control Systems
In industrial control systems, the A42MX36PQ208-1M provides reliable, non-volatile logic that powers up instantly without external configuration memory. Its 54K gates and 1,184 logic modules can implement motor control, sensor interfacing, and communication protocols. The device operates over a wide temperature range (commercial and industrial grades) and is available in a 208-PQFP package suitable for industrial PCBs. The JTAG boundary scan simplifies testing in harsh environments. Its 3.3V/5V compatibility ensures easy integration with existing industrial logic.
Recommended
Telecommunications Equipment
The A42MX36PQ208-1M is well-suited for telecommunications equipment due to its high-speed performance (up to 200 MHz) and PCI compliance. It can handle protocol processing, data switching, and line card control functions. The 176 user I/Os allow flexible interfacing with various serial and parallel buses. The device's low power consumption and reliable operation make it ideal for 24/7 operation in central offices. Its 3.3V/5V operation supports both legacy and modern telecom logic levels.
Recommended
Aerospace and Defense
The A42MX36PQ208-1M is ideal for aerospace and defense applications due to its non-volatile, flash-based architecture that provides instant-on operation and high security against reverse engineering. It is available in industrial and military temperature grades, ensuring reliable operation in extreme environments. The device's 54K gates and 176 I/Os can implement complex logic for avionics, radar, and secure communication systems. Its JTAG boundary scan facilitates testing and maintenance in the field.
Recommended
Legacy PLD Integration
The A42MX36PQ208-1M is designed as a single-chip ASIC alternative, making it perfect for integrating multiple legacy PLDs into one device. Its 54K gates and 1,184 logic modules can replace several PALs, GALs, and CPLDs, reducing board space and cost. The device's 3.3V/5V operation ensures compatibility with existing logic families. Designers can consolidate their logic into a single FPGA, simplifying the BOM and improving reliability. The non-volatile architecture eliminates the need for external configuration memory.
Recommended
Secure Communication Systems
The A42MX36PQ208-1M is well-suited for secure communication systems due to its non-volatile, flash-based architecture that prevents reverse engineering and ensures instant-on operation. Its 54K gates and 176 I/Os can implement encryption algorithms, protocol handling, and secure boot logic. The device's high-speed performance (up to 200 MHz) supports real-time data processing. Its JTAG boundary scan allows secure testing and programming. The 3.3V/5V operation provides flexibility in system design.
Recommended
Recommended Products Summary
Engineering reference data for A42MX36PQ208-1M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A42MX36-PQ208 | A42MX36-PQG208I | A42MX36-1PQ208M |
|---|---|---|---|---|
| Package | 208-PQFP | 208-PQFP | 208-PQFP | 208-PQFP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 54000 | 54000 | 54000 | 54000 |
| Logic Modules | 1184 | 1184 | 1184 | 1184 |
| User I/Os | 176 | 176 | 176 | 176 |
| Operating Voltage | 3.3V/5V | 3.3V/5V | 3.3V/5V | 3.3V/5V |
| Speed Grade | -1 | Standard | Standard | -1 |
| Temperature Grade | Commercial | Commercial | Industrial | Commercial |
Key Differentiators
- Non-volatile, flash-based architecture (vs SRAM-based FPGAs)
- PCI 2.1 compliance (vs A42MX36-PQ208)
- Wide operating voltage range (vs A42MX36-PQG208I)
Design Notes
Ensure adequate decoupling on all VCC and GND pins. Place 0.1uF ceramic capacitors close to each power pin and a 10uF bulk capacitor near the device. The A42MX36PQ208-1M operates at 3.3V/5V, so verify the power supply voltage and current requirements. According to the datasheet, maximum power dissipation depends on the package and ambient temperature; calculate the thermal budget to avoid exceeding the 150°C junction temperature.
For the 208-PQFP package, ensure proper PCB layout with adequate copper pour for thermal dissipation. Follow the manufacturer's recommended land pattern and keep traces short for high-speed signals. The device supports up to 200 MHz, so impedance control may be necessary for critical signals. Use ground planes to minimize noise and ensure signal integrity.
Do not exceed the maximum junction temperature of 150°C. Ensure proper thermal management, especially in high-power applications. Also, verify the JTAG configuration for programming and testing. The device is non-volatile, so it retains its configuration after power-off, but ensure the programming voltage and timing are correct to avoid corruption.
Compliance Information
RoHS compliance indicated in datasheet. Other compliance data not explicitly provided.