A42MX24-TQG176M - 36K Gate 5V MX FPGA, 176-TQFP | Microchip
N.º de pieza: A42MX24-TQG176M ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $78.5 | $78,50 |
| 10 | $71.2 | $712,00 |
| 100 | $64.8 | $6.480,00 |
| 500 | $59.4 | $29.700,00 |
| 1.000 | $54.9 | $54.900,00 |
A42MX24-TQG176M Descripción general
An FPGA (Field-Programmable Gate Array) is a class of programmable logic IC that implements user-defined digital circuits through configurable logic blocks and interconnect. Within the programmable logic hierarchy, the MX family sits as a single-chip ASIC alternative: unlike SRAM FPGAs it is non-volatile, and unlike antifuse families it is reprogrammable in-system. This positions MX as an ideal platform for integrating legacy PLDs, glue logic, and CPLDs into a single, low-cost, high-volume device.
Key features of the A42MX24 include 36K system gates, dual-voltage 3.3V/5V operation, and D-modules with wide-decode circuitry around the device periphery that provide fast, wide-input AND functions similar to CPLD architectures, enabling efficient state machines and address decoding. The architecture combines C-modules and S-modules for flexible combinational and sequential logic mapping.
Technically, the MX family uses a flexible 5.0V-tolerant fabric with 0.45um flash-based configuration storage, so designs retain their programming through power cycles without external configuration devices. The 176-TQFP package is a widely available gull-wing surface-mount format compatible with standard reflow assembly.
Typical applications include industrial control systems, military and defense upgrades of 5V-era designs, legacy PLD consolidation, bus interfacing, and high-volume embedded systems where a reliable single-chip ASIC alternative is required.
Design consideration: budget power distribution for the 3.3V/5V dual-rail requirements and verify I/O bank voltage assignments against the 40MX/42MX datasheet before pin locking.
Alternativas directas para A42MX24-TQG176M — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con A42MX24-TQG176M (mismo factor de forma y huella) — difiere en Package, Process Technology, Supply Voltage, RoHS Status, System Gates.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A42MX24-1TQG176I
✅ Sustitución directa✓ En stock
$23.9 / unidad
Ver hoja de datos →A42MX16-TQG176M
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$61.2 / unidad
Ver hoja de datos →A42MX16-3TQG176
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1 / unidad
Ver hoja de datos →A42MX09-TQG176A
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$32.1 / unidad
Ver hoja de datos →A42MX24-3TQ176I
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
A42MX24-TQG176M Valores máximos y características eléctricas
| Family | MX (42MX) |
| System Gates | 36,000 |
| Logic Cells | 912 |
| Number of I/O | 150 |
| Tensión de alimentación | 3.3 V / 5 V |
| Process Technology | 0.45 um |
| Programmability Type | Flash-based, non-volatile, reprogrammable |
| Encapsulado | 176-TQFP (LQFP) |
| Tipo de montaje | Surface Mount |
| Special Blocks | D-modules with wide-decode circuitry |
| Packaging Suffix M | Tray packing |
| Estado RoHS | Lead Free (G = green/lead-free suffix) |
| Categoría | FPGAs (Field Programmable Gate Array) |
| ASIC Alternative | Single-chip ASIC alternative, single-chip solution |
Guía de configuración de pines de A42MX24-TQG176M 176-tqfp (lqfp)
Configuración de pines para A42MX24-TQG176M (encapsulado 176-tqfp (lqfp)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para A42MX24-TQG176M.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A42MX24-TQG176M es adecuado para 6 aplicacións: Legacy PLD and Glue Logic Consolidation, Industrial Control Systems, Military and Defense Legacy Upgrades, Bus Interfacing and Protocol Bridging, High-Volume Embedded Systems, State Machines and Sequencing Logic.
Legacy PLD and Glue Logic Consolidation
The A42MX24-TQG176M is explicitly positioned by Microchip as a platform for integrating legacy PLDs into a single, low-cost device. Its 36K system gates and 912 cells absorb multiple 22V10-class CPLDs, PALs, and GALs, while the 5.0V-tolerant fabric directly drives and receives 5V TTL-level signals that legacy boards use. D-modules with wide-decode circuitry provide fast wide-input AND functions similar to CPLD architectures, ideal for address decoding and chip-select generation. Because the fabric is flash-based and non-volatile, the replacement retains configuration at power-on without a boot PROM, simplifying BOM and startup behavior in service-critical legacy equipment.
Recomendado
Industrial Control Systems
In factory automation and motor control backplanes, 5V logic levels remain common, and the A42MX24's dual 3.3V/5V operation lets it interface directly with legacy sensors, drives, and PLC I/O cards without level shifters. The 150 user I/O in the 176-TQFP package provide ample parallel signal count for relay control, encoder interfaces, and status buses. The flash-based fabric tolerates the power interruptions typical of industrial environments and restarts deterministically. Designers should budget the device power supply for the 5V rail and verify I/O bank assignments per the 40MX/42MX datasheet before pin locking to avoid rework on the 4-layer control PCB.
Recomendado
Military and Defense Legacy Upgrades
Defense platforms originally designed around 5V Actel MX devices frequently require ongoing production replacements decades after original design. The A42MX24-TQG176M, descended from the Actel/Microsemi MX family, preserves the original architecture, timing, and 5.0V I/O characteristics so existing bitstreams port without redesign. The non-volatile flash configuration eliminates configuration-storage parts that fail screening, and the 0.45um mature process offers stable, documented long-term supply. Distributors including FTC Electronics and Microchip USA serve the defense channel for this MPN. For extended-temperature deploys, pair with the industrial-grade A42MX24-1TQG176I variant on the identical footprint.
Recomendado
Bus Interfacing and Protocol Bridging
The A42MX24's D-module wide-decode blocks give it CPLD-like wide-input decode speed, making it effective as a bridge between parallel buses (ISA-like backplanes, VME-adjacent boards, or proprietary 8/16-bit buses) and modern digital logic. With 150 I/O and 5V-tolerant pins, one device can terminate an entire legacy bus while presenting a clean 3.3V interface to a microprocessor. The 36K gate budget accommodates bus arbiters, wait-state generators, and interrupt controllers. Because MX is reprogrammable in-system, bus timing tweaks discovered during integration can be re-fitted without touching the PCB, shortening bring-up cycles on multi-revision hardware.
Recomendado
High-Volume Embedded Systems
Microchip markets MX as a high-volume, low-cost single-chip ASIC alternative. At 36K system gates, the A42MX24 replaces a mask ASIC for volumes where NRE cost cannot be justified, with the added benefit of field reprogrammability for post-shipment fixes. The 176-TQFP package is compatible with standard reflow assembly lines and widely supported by contract manufacturers. The M suffix tray packing suits high-speed pick-and-place lines ordering in thousands. Distributor data shows 7 Octopart-listed sources, ensuring supply-chain redundancy for multi-year production programs such as meters, gateways, and industrial instruments.
Recomendado
State Machines and Sequencing Logic
The MX architecture's combination of C-modules and S-modules maps wide state machines efficiently, and D-modules implement fast decode of state outputs for glitch-free control sequencing. In power-supply controllers and test fixtures, the A42MX24 sequences rails, generates enables, and monitors fault lines at 5V logic levels. The non-volatile flash configuration means the sequencer is active within microseconds of power application, earlier than an SRAM FPGA that must load configuration first, a decisive advantage in power-fault and brownout handling. With 36K gates there is ample room for counters, comparators, and fault-latch logic alongside the main sequencer.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A42MX24-TQG176M — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A42MX24-1TQG176I | A42MX16-TQG176M | A42MX09-TQG176A | A42MX24-3TQ176I |
|---|---|---|---|---|---|
| Package | 176-TQFP | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology (Actel/Microsemi legacy) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 36,000 | 36,000 | 24,000 | 9,000 | 36,000 |
| 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 |
| Speed Grade | Standard (slowest bin) | -1 (one grade faster) | Standard | A variant | -3 (fastest) |
Diferenciadores clave
- 5V-tolerant flash FPGA fabric (frente a A42MX16-TQG176M)
- Highest speed grade availability (frente a A42MX24-1TQG176I)
- Green lead-free package code (frente a A42MX24-3TQ176I)
Notas de diseño
The A42MX24 operates from dual 3.3V/5V rails. Decouple each supply with at least 0.1uF ceramic capacitors per power pin plus bulk 10uF near the device. The 5.0V-tolerant I/O banks must each be assigned a consistent voltage in Libero before routing; mixing 5V legacy signals and 3.3V logic on one bank risks exceeding I/O specifications. Measure inrush at power-up since the flash fabric draws configuration current briefly at startup.
The 176-TQFP gull-wing package requires a footprint per the Microchip/Microsemi MX datasheet mechanical drawing with 0.5mm lead pitch. Use a ground plane under the device and return each ground pin directly to it. For the M (tray) packing, ensure your assembly line moisture baking procedure follows the MSL rating on the moisture barrier bag label before reflow.
Do not confuse ordering-code suffixes: G = green/lead-free package, M = tray packing, I = industrial temperature, and the numeric prefix (-1, -2, -3) is the speed grade. A42MX24-3TQ176I lacks the G (non-green package) while sharing the die. Pin-lock early in Libero SoC because D-module wide-decode resources are located around the device periphery and pin assignments directly affect achievable decode timing.
Información de cumplimiento
G suffix denotes green/lead-free package. Distributor listings (Abacus Technologies) report EU RoHS compliant, REACH compliant, DRC conflict free. Not an automotive AEC-Q100 device.
