A42MX09-TQG176M - MX FPGA 14K Gates 104 I/O TQFP-176 | Microchip
N.º de pieza: A42MX09-TQG176M ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $85 | $85,00 |
| 10 | $78.2 | $782,00 |
| 100 | $70.5 | $7.050,00 |
| 500 | $64 | $32.000,00 |
| 1.000 | $58.75 | $58.750,00 |
A42MX09-TQG176M Descripción general
An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that lets designers implement custom digital circuits on a single chip. The MX family sits within the broader hierarchy of FPGA -> programmable logic -> semiconductor IC, and its antifuse programming technology provides non-volatile, secure, single-chip operation without a configuration PROM. This makes MX an ideal ASIC alternative and a low-cost platform for consolidating legacy PLDs into a single high-volume device.
Key differentiators of the A42MX09-TQG176M include its radiation-tolerant-style antifuse fabric that is immune to configuration upset, the flexible 5.0V-tolerant architecture easing mixed-voltage legacy integration, and the M grade suffix indicating a military/extended screening variant. The 176-pin TQFP surface-mount package provides a 0.5 mm lead pitch suitable for standard SMT assembly.
Architecturally, the MX fabric is built from combinational and sequential logic modules arranged in clusters, with predictable interconnect delays that simplify timing closure compared to SRAM FPGAs. Because the antifuse configuration is one-time-programmable, designs benefit from inherent security and instant-on behavior.
Typical applications include legacy defense and industrial system sustainment, glue logic consolidation, bus interfacing, and state-machine control in high-reliability systems where configuration volatility is unacceptable.
Design consideration: antifuse FPGAs cannot be reprogrammed, so functional verification must be complete before programming; plan a spare-gate margin of roughly 20-30% for late design changes.
Alternativas directas para A42MX09-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 A42MX09-TQG176M (mismo factor de forma y huella) — difiere en Package, Family, Supply Voltage, System Gates, Process Technology.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A42MX09-TQG176A
✅ Sustitución directa✓ En stock
$32.1 / unidad
Ver hoja de datos →A42MX16-TQG176M
✅ Sustitución directa✓ En stock
$61.2 / unidad
Ver hoja de datos →A42MX16-2TQG176
✅ Sustitución directa✓ En stock
$28.4 / unidad
Ver hoja de datos →A42MX24-1TQG176M
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →A42MX24-TQG176A
✅ Sustitución directa✓ En stock
$43.2 / unidad
Ver hoja de datos →A42MX24-1TQG176I
✅ Sustitución directa✓ En stock
$23.9 / unidad
Ver hoja de datos →A42MX09-TQG176M Valores máximos y características eléctricas
| Family | MX (Actel antifuse FPGA) |
| System Gates | 14000 |
| Logic Cells | 336 |
| User I/O | 104 |
| Tensión de alimentación | 3.3 V / 5 V |
| Process Technology | 0.45 um |
| Frecuencia de reloj máxima | 129 MHz / 215 MHz |
| Programming Technology | Antifuse (one-time programmable) |
| Encapsulado | 176-pin TQFP (TQG176) |
| Tipo de montaje | Surface Mount |
| Grade / Screening | M (military screening variant) |
| Configuration | Non-volatile, no external configuration PROM required |
Configuración de pines de A42MX09-TQG176M
| Pin 1 | IO — User input/output (bank A) |
| Pin 22 | VCCA — Core/array power supply |
| Pin 23 | GND — Ground |
| Pin 44 | VCCI — I/O bank supply |
| Pin 45 | CLKA — Primary clock input (hard-wired low-skew) |
| Pin 66 | IO — User input/output (bank B) |
| Pin 88 | GND — Ground |
| Pin 89 | CLKB — Secondary clock input |
| Pin 110 | VCCA — Core/array power supply |
| Pin 132 | IO — User input/output (bank C) |
| Pin 154 | GND — Ground |
| Pin 175 | IO — User input/output (bank D) |
Aplicaciones típicas
A42MX09-TQG176M es adecuado para 6 aplicacións: Legacy Defense System Sustainment, Glue Logic Consolidation, Industrial Control and Automation, Bus Interface and Protocol Bridging, ASIC Prototyping and Low-Volume Replacement, Secure Configuration-Locked Logic.
Legacy Defense System Sustainment
The A42MX09-TQG176M fits defense sustainment programs because its M-grade screening and antifuse non-volatile fabric meet the reliability expectations of fielded military electronics. With 14K gates and 104 I/O, it absorbs obsolete PAL/GAL/PLD consolidation, and the 5.0V-tolerant architecture directly drives legacy TTL-level backplanes. Because the antifuse fabric cannot lose configuration under upset conditions, no external configuration PROM is needed, simplifying obsolescence-driven redesigns in avionics and ground systems. Quantified benefit: one 176-TQFP device replaces dozens of legacy SSI/MSI parts, cutting board area and improving long-term supply continuity through Microchip's high-volume MX platform.
Recomendado
Glue Logic Consolidation
The A42MX09-TQG176M is well suited to glue logic consolidation where address decoders, bus transceivers, and state machines once occupied multiple 74-series devices. Its 336 logic cells and 104 user I/O provide ample capacity for medium-scale integration, and predictable antifuse interconnect delays make timing closure straightforward for decode and handshake logic. Placed on a 5V or 3.3V bus, the MX fabric interfaces directly with legacy signal levels, eliminating level-shifting circuitry. The quantified benefit is board-area reduction and a single sourcing point; the trade-off is one-time programmability, so the consolidated function must be fully verified in simulation before programming production devices.
Recomendado
Industrial Control and Automation
In industrial controllers, the A42MX09-TQG176M implements deterministic control sequencing, encoder interfacing, and motor-drive supervisory logic. The 129/215 MHz maximum clock rates easily cover PWM and quadrature-decode tasks, and instant-on antifuse configuration means the controller is functional the moment power is applied - valuable in systems with fast watchdog requirements. The 104 user I/O directly connect sensors, relays, and legacy 24V-logic interface circuitry through standard buffering. Industrial users should verify the commercial/industrial temperature variant selection (A grade vs I grade) for the cabinet environment, since the M-suffix part is screened for more severe conditions than typically required on the factory floor.
Recomendado
Bus Interface and Protocol Bridging
The A42MX09-TQG176M serves as a protocol bridge between legacy buses (VME-style backplanes, parallel peripheral buses) and modern digital subsystems. Its 5.0V-tolerant I/O and 104 available pins support wide parallel data paths without external transceivers in many designs, while the deterministic antifuse routing delivers consistent propagation delay across power and temperature - important for bus timing budgets. Typical implementations include address decode, byte-swap, wait-state generation, and handshaking at clock rates up to the 129 MHz fabric limit. Because the device is one-time programmable, frozen protocol behavior also provides a certification advantage in regulated systems where post-deployment logic change must be prevented.
Recomendado
ASIC Prototyping and Low-Volume Replacement
The MX family is positioned by Microchip as a reliable, single-chip ASIC alternative, and the A42MX09-TQG176M fits low-volume ASIC replacement where mask costs are unjustified. Fourteen thousand system gates accommodate modest synthesized RTL functions, and the 0.45um antifuse process provides stable, production-worthy timing without the configuration-liability of SRAM devices. Compared with an ASIC, NRE is zero and lead time is distributor stock; compared with an SRAM FPGA, the design is secure and powers up instantly. The trade-off is capacity and cost-per-gate - above roughly 14K gates, designers should move to the pin-compatible MX16/MX24 variants rather than forcing density.
Recomendado
Secure Configuration-Locked Logic
Applications requiring logic content protection - copy prevention of proprietary algorithms, encryption key handling paths, or anti-tamper designs - benefit from the A42MX09-TQG176M's antifuse fabric. Unlike SRAM FPGAs, there is no bitstream to intercept at power-up because configuration is permanently programmed into the antifuse interconnect, and readback paths do not expose programmed data. With 14K gates, designers can implement DES-class datapaths, authentication state machines, and board-level security controllers. The quantified design consideration is that any functional update requires a new programmed device, so change control and a small programming-ready spares pool are recommended for fielded secure systems.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A42MX09-TQG176M — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A42MX09-TQG176A | A42MX16-TQG176M | A42MX24-1TQG176M |
|---|---|---|---|---|
| Package | 176-TQFP | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 14000 | 14000 | 24000 (MX16) | 36000 (MX24) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Grade / Screening | M (military) | A (commercial) | M (military) | M (military) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Diferenciadores clave
- Military M-grade screening in standard package (frente a A42MX09-TQG176A)
- Lowest-cost MX entry in TQFP-176 (frente a A42MX16-TQG176M)
- 5.0V-tolerant legacy interface (frente a Cross-brand SRAM FPGAs)
Notas de diseño
Antifuse MX devices are one-time programmable: there is no rework path after programming. Complete full gate-level simulation and static timing analysis before programming production units, and program engineering evaluation devices separately from production lots. Maintain a 20-30% gate and I/O margin in the 14K/104-I/O budget to accommodate late changes without a board spin.
Decouple VCCA (array core) and VCCI (I/O) supplies independently with 0.1 uF ceramic capacitors at each supply pin pair, plus bulk 10 uF near the device. The MX 5V-tolerant I/O can source significant legacy-bus current, so size the VCCI rail for total simultaneous switching I/O current rather than the quiescent core draw.
The 176-TQFP has a 0.5 mm lead pitch - use solder-mask-defined pads per the MX datasheet package drawing and inspect with 10x minimum magnification for solder bridges. Connect hard-wired clock pins (CLKA/CLKB) to low-skew clock sources and keep clock traces length-matched to data within the same bus group for predictable timing in the antifuse fabric.
Información de cumplimiento
Compliance status not stated in verified distributor snippets. Verify RoHS/lead-free flags on the DigiKey or Mouser product page for this exact MPN, or request Microchip certificate of conformance.
