A42MX09-3VQG100I - 14K Gate 5V FPGA, 100-TQFP | Microchip
MPN: A42MX09-3VQG100I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $42.5 | $42.50 |
| 10 | $38.2 | $382.00 |
| 100 | $34.1 | $3,410.00 |
| 500 | $30.6 | $15,300.00 |
| 1,000 | $27.9 | $27,900.00 |
Drop-in alternatives for A42MX09-3VQG100I — 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:
A42MX09-3VQG100
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →A42MX09-1VQG100M
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →A42MX09-2VQG100
✅ Drop-In✓ In Stock
$18.6 / Unit
View Datasheet →A42MX16-1VQG100I
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →A42MX16-3VQG100
✅ Drop-In✓ In Stock
$11.95 / Unit
View Datasheet →A42MX16-2VQG100I
✅ Drop-In✓ In Stock
$20.8 / Unit
View Datasheet →A42MX09-3VQG100I Maximum Ratings & Electrical Characteristics
| Family | MX (42MX) |
| System Gates | 14000 |
| Logic Cells | 336 |
| User I/O | 83 |
| Speed Grade | -3 |
| Toggle Rate | 177 MHz |
| System Frequency | 296 MHz |
| Supply Voltage | 3.3 V / 5 V |
| Process Technology | 0.45 um |
| Operating Temperature | -40C to +100C (industrial) |
| Package | 100-TQFP (VQFP) |
| Mounting Type | Surface Mount |
| Programming Type | One-time programmable (antifuse) |
| Configuration | Single-chip, no external boot device |
| RoHS Status | Compliant |
| Packaging | Tray |
A42MX09-3VQG100I Pin Configuration
| Pin 1 | IO — User I/O bank |
| Pin 10 | VDD — Core/IO supply (3.3V/5V) |
| Pin 11 | GND — Ground |
| Pin 25 | CLKA — Clock input / global clock network |
| Pin 26 | IO/GCLR — User I/O or global clear |
| Pin 50 | GND — Ground |
| Pin 51 | VDD — Core/IO supply |
| Pin 75 | IO — User I/O bank |
| Pin 76 | MODE — Device operating/configuration mode select |
| Pin 100 | IO — User I/O bank |
Safe Operating Area (SOA) & Thermal Characteristics
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
A42MX09-3VQG100I is suitable for 6 applications: Legacy PLD Integration, Industrial Control and Automation, Military and Aerospace Upgrades, Bridge Logic and Bus Interfacing, High-Volume Embedded Control, Secure/Configuration-Immune Systems.
Legacy PLD Integration
The MX family is explicitly positioned by Microchip as an ideal platform for integrating multiple legacy PLDs into a single, low-cost device. The A42MX09-3VQG100I's 14K gates and 336 cells consolidate several older 22V10 or CPLD functions, while its 5.0V-tolerant architecture matches the I/O levels of legacy TTL/5V CMOS boards. As a one-time-programmable single-chip solution it needs no configuration flash, reducing BOM count and improving boot reliability in long-lifecycle industrial equipment.
Recommended
Industrial Control and Automation
In factory automation and industrial controllers, the A42MX09-3VQG100I combines a -40C to +100C industrial rating with 5V-tolerant I/O, directly interfacing with legacy 24V-field transceivers and 5V logic. The 177 MHz toggle rate handles high-speed encoder decoding and PWM generation, while the antifuse fabric is immune to configuration upsets caused by electrical noise - a known weakness of SRAM FPGAs on noisy shop floors. Its VQFP-100 footprint suits standard SMT assembly processes.
Recommended
Military and Aerospace Upgrades
The MX family originates from Microsemi, whose antifuse FPGAs have a long reliability heritage in defense programs. The A42MX09-3VQG100I's one-time-programmable fabric resists single-event configuration upsets and cannot be flipped by radiation-induced SEFI, making it a preferred retrofit for avionics and defense equipment being modernized. The M-grade siblings (A42MX09-1VQG100M) extend the same die to military screening levels, allowing a single board layout to serve multiple qualification tiers.
Recommended
Bridge Logic and Bus Interfacing
With 83 user I/O on a 5V-tolerant 0.45um process, the A42MX09-3VQG100I is well suited to glueless bridging between mismatched buses - for example ISA/PCI-legacy interfaces to modern controllers, or parallel data conversion between processors and displays. The -3 speed grade's 177 MHz/296 MHz timing headroom easily covers bus-rate decode, wait-state generation, and byte-swap functions that once consumed dozens of discrete 74-series devices on a board.
Recommended
High-Volume Embedded Control
Microchip describes MX as a high-volume platform enabling single-chip ASIC-alternative solutions. When volumes reach tens of thousands of units, the A42MX09-3VQG100I's low die cost (0.45um mature process) undercuts both SRAM FPGA and full ASIC NRE economics. Typical uses include appliance controllers, metering front ends, and industrial printers, where the fixed antifuse program eliminates boot time and configuration copy risk in mass production.
Recommended
Secure/Configuration-Immune Systems
Because the antifuse fabric is programmed once at the factory and holds no external bitstream, the A42MX09-3VQG100I eliminates the primary attack surface of SRAM FPGAs: bitstream interception or corruption. Applications such as payment terminals, secure encoders, and anti-tamper industrial nodes benefit from the absence of a configuration file entirely, plus the industrial -40C to +100C range and single-chip reliability of the MX architecture in a compact 100-TQFP package.
Recommended
Recommended Products Summary
Engineering reference data for A42MX09-3VQG100I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A42MX09-3VQG100 | A42MX09-1VQG100M | A42MX16-1VQG100I | A42MX16-2VQG100I |
|---|---|---|---|---|---|
| Package | 100-TQFP (VQFP) | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 14000 | 14000 | 14000 | ~24000 | ~24000 |
| Logic Cells | 336 | 336 | 336 | 562 | 562 |
| User I/O | 83 | 83 | 83 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -3 | -3 | -1 | -1 | -2 |
| Temperature Grade | Industrial (-40C to +100C) | Commercial (0C to +85C) | Military/extended | Industrial | Industrial |
| Supply 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 |
| Configuration | One-time programmable (single-chip) | One-time programmable | One-time programmable | One-time programmable | One-time programmable |
Key Differentiators
- Single-chip antifuse architecture - no external configuration device (vs SRAM FPGAs (e.g., Xilinx Spartan families))
- 5V-tolerant I/O architecture (vs A42MX16-1VQG100I)
- Industrial temperature range at -3 speed grade (vs A42MX09-3VQG100)
Design Notes
The A42MX09 supports 3.3V and 5V operation on a 0.45um process. Decouple each VDD pin pair with 0.1uF ceramic capacitors placed within 5mm of the pin, plus one 10uF bulk capacitor per supply rail. Because the device is antifuse-based, supply sequencing is not critical, but inrush into decoupling banks should still be bounded on shared 5V rails with legacy logic.
One-time programmable means no in-field reprogramming - lock your design and verify timing closure in Microchip Designer/Libero before committing to production programming. Also confirm the -3 speed grade timing at worst-case industrial temperature (-40C to +100C); do not assume commercial-grade timing files. Reserve MODE pin handling per datasheet reset guidance to avoid accidental mode entry during power-up.
The 100-TQFP 0.5mm-pitch leads require solder-mask-defined pads of about 0.3mm width and non-solder-masked via keep-outs beneath the package to prevent solder wicking. Follow IPC-recommended QFP land patterns and inspect with X-ray or AOI; the exposed-lead gull-wing footpring is compatible with A42MX16 VQFP-100 parts, giving a drop-in density upgrade path without respin.
Compliance Information
RoHS compliance per current Microchip product listing. AEC-Q100 qualification not applicable to this MX FPGA family; confirm with Microchip for automotive screening needs.
