A42MX36-3PQG208I - 54K-Gate FPGA, 176 I/O | Microchip Technology
N.º de pieza: A42MX36-3PQG208I ✓ Activo| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
A42MX36-3PQG208I Descripción general
An MX FPGA is a type of field-programmable gate array - a reprogrammable or one-time-programmable logic device that implements custom digital circuits from a hardware description language such as VHDL or Verilog. Within the FPGA hierarchy, the MX family occupies the low-power, 5V-tolerant, high-reliability segment, positioned as a single-chip ASIC alternative for legacy PLD integration and defense/aerospace designs. The 42MX family features antifuse-based architecture, ensuring non-volatile, live-at-power-up configuration.
Key features include MultiPlex I/O supporting mixed-voltage 3.3V and 5.0V systems, programmable PCI compatibility (fully compliant with the PCI Local Bus Specification version 2.1), a low-power mode, and 2560 total flip-flop-equivalent capacity. According to the Microchip 40MX/42MX Families Datasheet (DS2136), the A42MX36 is the largest family member and is also available in CQ208/CQ256 ceramic packages screened to MIL-STD-883 levels; the CQ208 and PQ208 devices are pin-compatible for easy prototyping and plastic-to-ceramic conversion.
Typical applications include industrial control, aerospace and defense electronics, bridge logic, bus interface, and state-machine replacement in systems requiring 5V-tolerant I/O and long-lifecycle supply. Design consideration: because the MX family is 0.45 um technology, plan I/O voltage levels early in mixed-rail designs; use the pin-compatible ceramic CQ208 variant for prototyping before committing to production plastic parts.
Alternativas directas para A42MX36-3PQG208I — 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 A42MX36-3PQG208I (mismo factor de forma y huella) — difiere en Package, System Gates, PCI Compliance, Family, Process Technology.
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A42MX36-2PQG208I
✅ Sustitución directa✓ En stock
$1 / unidad
Ver hoja de datos →A42MX36-1PQG208
✅ Sustitución directa✓ En stock
$45.3 / unidad
Ver hoja de datos →A42MX36-PQG208I
✅ Sustitución directa✓ En stock
$55 / unidad
Ver hoja de datos →A42MX36-FPQG208
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$39.8 / unidad
Ver hoja de datos →A42MX36-PQ208I
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
A42MX24-3PQG208I
⚡ Mismo encapsulado✓ En stock
$1 / unidad
Ver hoja de datos →A42MX36-3PQG208I Valores máximos y características eléctricas
| Family | 42MX (MX FPGA) |
| System Gates | 54000 gates |
| Logic Cells | 1184 |
| Total Logic Modules | 2438 |
| User I/O | 176 |
| Flip-Flop Capacity | 2560 |
| Speed Grade | -3 |
| System Clock Frequency | 108 MHz / 180 MHz |
| Tensión de alimentación | 3.3 V / 5 V |
| Process Technology | 0.45 um CMOS |
| Encapsulado | 208-BFQFP (PQFP), 0.5 mm pitch |
| Temperatura de funcionamiento | -40C to +85C (industrial) |
| Tipo de montaje | Surface Mount |
| PCI Compliance | PCI Local Bus Specification v2.1 |
| I/O Feature | MultiPlex I/O, 5V tolerant, low-power mode |
| Configuration | Non-volatile, live at power-up |
| Estado RoHS | unknown |
Configuración de pines de A42MX36-3PQG208I
| Pin 1 | NC/IO — User-configurable I/O or no-connect per 42MX PQ208 pin table |
| Pin [DATA_NEEDED] | VDD — Core/5V supply pins distributed around package |
| Pin [DATA_NEEDED] | GND — Ground pins distributed around package |
| Pin [DATA_NEEDED] | CLK — Dedicated clock input modules |
| Pin [DATA_NEEDED] | GRESET — Global reset input |
| Pin [DATA_NEEDED] | IO[0:175] — 176 MultiPlex user I/Os, 5V tolerant |
Aplicaciones típicas
A42MX36-3PQG208I es adecuado para 6 aplicacións: Industrial Control and Automation, Aerospace and Defense Electronics, PCI Bus Interface and Legacy Bridging, Legacy PLD Integration and Board Revitalization, Test and Measurement Instrumentation, Communications and Network Interface Cards.
Industrial Control and Automation
The A42MX36-3PQG208I fits industrial control as a glue-logic and state-machine replacement thanks to its 5V-tolerant MultiPlex I/O, which interfaces directly with legacy 5V PLC I/O and 3.3V microcontroller peripherals without level shifters. Its 176 user I/Os and 54K gates accommodate parallel bus decoding, motor-control sequencing, and safety interlock logic. The non-volatile antifuse configuration is live at power-up, eliminating configuration-boot delays required by SRAM FPGAs - critical in machinery that must assert correct I/O states immediately at reset.
Recomendado
Aerospace and Defense Electronics
Microchip positions the MX family as a reliable single-chip ASIC alternative for defense and aerospace. The A42MX36 is available in CQ208/CQ256 ceramic packages screened to MIL-STD-883 levels, and the plastic PQ208 shares the CQ208 pinout for prototype-to-production conversion. Antifuse configuration resists configuration bitstream upset, a key reliability factor in radiation-tolerant and secure systems. The industrial -40C to +85C range (I suffix) and 54K-gate capacity suit avionics interface boards, payload sequencing, and bus adapters.
Recomendado
PCI Bus Interface and Legacy Bridging
According to the Microchip 40MX/42MX datasheet, the device is fully compliant with the PCI Local Bus Specification version 2.1, with programmable PCI enabled by MultiPlex I/O at both 5.0V and 3.3V signaling. The -3 speed grade supports 108 MHz internal performance, comfortably meeting 33 MHz PCI timing budgets. Designers use the A42MX36-3PQG208I to implement PCI target/master bridges, legacy ISA-to-PCI adapters, and custom bus controllers in systems that cannot migrate to PCIe.
Recomendado
Legacy PLD Integration and Board Revitalization
Microchip markets MX specifically as a platform for integrating legacy PLDs into a single low-cost device. Multiple 22V10/CPLD functions, address decoders, and glue logic consolidate into one 54K-gate A42MX36, cutting BOM count and board area while preserving the original 5V I/O environment. The 0.45 um process and mature architecture guarantee long-term availability for end-of-life board refresh programs where redesigning around modern FPGAs is cost-prohibitive.
Recomendado
Test and Measurement Instrumentation
The A42MX36-3PQG208I serves as a control FPGA in bench instruments, handling trigger logic, timing generation, and digital I/O subsystems. Its 2438 logic modules and 2560 flip-flops implement counters and pattern generators, while 5V-tolerant I/O connects directly to TTL-level test points. Deterministic antifuse timing (no reconfiguration jitter) and the -3 grade's 108 MHz/180 MHz performance support repeatable, high-precision measurement sequencing required in production test equipment.
Recomendado
Communications and Network Interface Cards
In legacy networking hardware, the A42MX36-3PQG208I implements protocol framing, FIFO control, and backplane interfaces. The programmable PCI support enables direct host-bus attachment, and MultiPlex I/O handles mixed 3.3V/5V line-card signaling. The low-power mode reduces consumption in standby line cards, and non-volatile configuration ensures the card is operational immediately when slotted into a live chassis - a practical advantage over SRAM FPGAs requiring boot loading.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A42MX36-3PQG208I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A42MX36-2PQG208I | A42MX36-PQG208I | A42MX36-1PQG208 | A42MX36-PQ208I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP), 0.5 mm pitch | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 54000 | 54000 | 54000 | 54000 | 54000 |
| Logic Cells | 1184 | 1184 | 1184 | 1184 | 1184 |
| User I/O | 176 | 176 | 176 | 176 | 176 |
| Speed Grade | -3 | -2 | standard | -1 | standard |
| 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 |
| Process Technology | 0.45 um CMOS | 0.45 um CMOS | 0.45 um CMOS | 0.45 um CMOS | 0.45 um CMOS |
Diferenciadores clave
- Fastest -3 speed grade in PQFP-208 (frente a A42MX36-2PQG208I)
- Industrial temperature range with green package (frente a A42MX36-1PQG208)
- Largest 42MX capacity available (frente a A42MX24-3PQG208I)
- Non-volatile antifuse configuration (frente a Cross-brand SRAM FPGAs)
Notas de diseño
The PQFP-208 uses a 0.5 mm lead pitch, which requires careful solder-paste stencil design; inspect for bridging with X-ray or AOI. Follow the Microchip/Microsemi MX Family PCB Layout Guidelines: use uniform 0.2 mm aperture stencil, non-solder-mask-defined pads of approximately 0.3 x 1.5 mm, and route all 208 fan-out with 0.2 mm trace/0.2 mm space on inner layers. Decouple every VDD pin with a 0.1 uF ceramic placed within 5 mm of the pin.
The device supports both 3.3V and 5.0V operation through MultiPlex I/O banks. Ensure the 5V rail is sequenced cleanly and verify that all 5V-driven inputs respect the datasheet input clamp current limits. Add bulk 10 uF plus per-pin 0.1 uF decoupling; antifuse devices draw no configuration surge current at power-up, simplifying power-supply sizing compared to SRAM FPGAs.
Do not assume pin-compatible means timing-compatible when substituting speed grades (e.g., -2PQG208I in place of -3PQG208I): rerun static timing analysis in Libero SoC for the substituted grade, especially on PCI-bus compliant interfaces that must meet PCI v2.1 setup/hold windows. Also confirm the G (green/lead-free) suffix requirement before ordering, since PQ and PQG suffixes differ in lead finish.
Información de cumplimiento
The G suffix in PQG208 indicates the lead-free/green package variant per Microchip naming conventions. Full RoHS/REACH compliance status not found in retrieved data - verify on the Microchip product page.
