A42MX24-1PLG84 - 36K Gate 5V FPGA | Microchip | 84-PLCC
MPN: A42MX24-1PLG84 ✓ Hoạt độngA42MX24-1PLG84 Tóm tắt
An FPGA (Field-Programmable Gate Array) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs belong to the programmable logic device (PLD) family, which sits above CPLDs in complexity and below ASICs in customization. The MX family is a high-volume, low-cost platform that bridges the gap between discrete logic and full-custom silicon, enabling rapid prototyping and flexible system design.
Key features include fast wide-decode circuitry similar to CPLD architectures, embedded dual-port SRAM modules optimized for high-speed datapath functions such as FIFOs and scratchpad memory, and support for 5V and 3.3V I/O standards. The device is manufactured using a 0.45um CMOS process, balancing performance with cost-effectiveness. The 84-pin PLCC package provides a compact footprint with J-lead terminations suitable for surface mounting.
Technically, the A42MX24 integrates D-modules arranged around the periphery, providing fast wide-input AND functions that accelerate control logic. The dual-port SRAM enables concurrent read/write operations, essential for buffering and data movement. The device supports in-system programming via JTAG, allowing flexible design updates without removing the component from the PCB.
Typical applications include industrial control systems, automotive electronics, communication interfaces, and legacy PLD consolidation. The 5V compatibility makes it ideal for interfacing with older 5V logic families, while the 3.3V option supports mixed-voltage designs. Its high I/O count and embedded memory suit bus interface and glue-logic applications.
When designing with this FPGA, ensure proper decoupling of both supply rails and follow the recommended power-up sequencing to avoid latch-up. The PLCC package requires a socket or reflow profile compatible with J-lead components. Thermal management is straightforward given the moderate power consumption of the 0.45um process.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for evaluating the A42MX24-1PLG84 in their designs.
Bộ thay thế dễ dàng lắp đặt cho A42MX24-1PLG84 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với A42MX24-1PLG84 (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Speed Grade, Family, RoHS Status.
A42MX24-1PLG84I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A42MX24-PLG84M
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A42MX24-2PLG84I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A42MX24-3PLG84I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A42MX24-3PLG84
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A42MX24-1PLG84 Tỷ lệ tối đa & tính chất điện
| Family | MX |
| System Gates | 36000 |
| Logic Cells / Logic Blocks | 912 |
| Number of I/O | 72 |
| Package Type | 84-PLCC (J-Lead) |
| Logic Family | CMOS |
| Nhiệt độ hoạt động | -40°C to +85°C |
| Supply Voltage (3.3V) | 3.0V to 3.6V |
| Supply Voltage (5V) | 4.75V to 5.25V |
| Process Technology | 0.45um |
| Configurable Dual-Port SRAM | 2.5 kbits |
| Wide-Decode Circuitry | Yes |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Speed Grade | -1 |
Cấu hình chân A42MX24-1PLG84
| Chân 1 | I/O — User programmable I/O pin |
| Chân 2 | I/O — User programmable I/O pin |
| Chân 3 | I/O — User programmable I/O pin |
| Chân 4 | I/O — User programmable I/O pin |
| Chân 5 | I/O — User programmable I/O pin |
| Chân 6 | I/O — User programmable I/O pin |
| Chân 7 | I/O — User programmable I/O pin |
| Chân 8 | I/O — User programmable I/O pin |
| Chân 9 | I/O — User programmable I/O pin |
| Chân 10 | I/O — User programmable I/O pin |
| Chân 11 | I/O — User programmable I/O pin |
| Chân 12 | I/O — User programmable I/O pin |
| Chân 13 | I/O — User programmable I/O pin |
| Chân 14 | I/O — User programmable I/O pin |
| Chân 15 | I/O — User programmable I/O pin |
| Chân 16 | I/O — User programmable I/O pin |
| Chân 17 | I/O — User programmable I/O pin |
| Chân 18 | I/O — User programmable I/O pin |
| Chân 19 | I/O — User programmable I/O pin |
| Chân 20 | I/O — User programmable I/O pin |
| Chân 21 | I/O — User programmable I/O pin |
| Chân 22 | I/O — User programmable I/O pin |
| Chân 23 | I/O — User programmable I/O pin |
| Chân 24 | I/O — User programmable I/O pin |
| Chân 25 | I/O — User programmable I/O pin |
| Chân 26 | I/O — User programmable I/O pin |
| Chân 27 | I/O — User programmable I/O pin |
| Chân 28 | I/O — User programmable I/O pin |
| Chân 29 | I/O — User programmable I/O pin |
| Chân 30 | I/O — User programmable I/O pin |
| Chân 31 | I/O — User programmable I/O pin |
| Chân 32 | I/O — User programmable I/O pin |
| Chân 33 | I/O — User programmable I/O pin |
| Chân 34 | I/O — User programmable I/O pin |
| Chân 35 | I/O — User programmable I/O pin |
| Chân 36 | I/O — User programmable I/O pin |
| Chân 37 | I/O — User programmable I/O pin |
| Chân 38 | I/O — User programmable I/O pin |
| Chân 39 | I/O — User programmable I/O pin |
| Chân 40 | I/O — User programmable I/O pin |
| Chân 41 | I/O — User programmable I/O pin |
| Chân 42 | I/O — User programmable I/O pin |
| Chân 43 | I/O — User programmable I/O pin |
| Chân 44 | I/O — User programmable I/O pin |
| Chân 45 | I/O — User programmable I/O pin |
| Chân 46 | I/O — User programmable I/O pin |
| Chân 47 | I/O — User programmable I/O pin |
| Chân 48 | I/O — User programmable I/O pin |
| Chân 49 | I/O — User programmable I/O pin |
| Chân 50 | I/O — User programmable I/O pin |
| Chân 51 | I/O — User programmable I/O pin |
| Chân 52 | I/O — User programmable I/O pin |
| Chân 53 | I/O — User programmable I/O pin |
| Chân 54 | I/O — User programmable I/O pin |
| Chân 55 | I/O — User programmable I/O pin |
| Chân 56 | I/O — User programmable I/O pin |
| Chân 57 | I/O — User programmable I/O pin |
| Chân 58 | I/O — User programmable I/O pin |
| Chân 59 | I/O — User programmable I/O pin |
| Chân 60 | I/O — User programmable I/O pin |
| Chân 61 | I/O — User programmable I/O pin |
| Chân 62 | I/O — User programmable I/O pin |
| Chân 63 | I/O — User programmable I/O pin |
| Chân 64 | I/O — User programmable I/O pin |
| Chân 65 | I/O — User programmable I/O pin |
| Chân 66 | I/O — User programmable I/O pin |
| Chân 67 | I/O — User programmable I/O pin |
| Chân 68 | I/O — User programmable I/O pin |
| Chân 69 | I/O — User programmable I/O pin |
| Chân 70 | I/O — User programmable I/O pin |
| Chân 71 | I/O — User programmable I/O pin |
| Chân 72 | I/O — User programmable I/O pin |
| Chân 73 | VCC — Power supply (3.3V or 5V) |
| Chân 74 | GND — Ground |
| Chân 75 | VCC — Power supply (3.3V or 5V) |
| Chân 76 | GND — Ground |
| Chân 77 | TDI — JTAG test data in |
| Chân 78 | TDO — JTAG test data out |
| Chân 79 | TMS — JTAG test mode select |
| Chân 80 | TCK — JTAG test clock |
| Chân 81 | NC — Not connected |
| Chân 82 | NC — Not connected |
| Chân 83 | NC — Not connected |
| Chân 84 | NC — Not connected |
Ứng dụng tiêu biểu
A42MX24-1PLG84 phù hợp cho 6 Áp dụngs: Industrial Control Systems, Automotive Electronics, Communication Interfaces, Legacy PLD Consolidation, Test and Measurement Equipment, Aerospace and Defense.
Industrial Control Systems
The A42MX24-1PLG84 is well-suited for industrial control systems due to its 5V compatibility, 72 I/O pins, and wide operating temperature range of -40°C to +85°C. Its 36,000 system gates and 912 logic cells provide ample resources for implementing motor control logic, PLC interfaces, and sensor conditioning. The wide-decode circuitry accelerates control logic, reducing propagation delays in time-critical applications. The dual-port SRAM enables efficient data buffering between different clock domains, essential for industrial communication protocols. Its robust CMOS process ensures reliable operation in electrically noisy environments, and the PLCC package offers a compact footprint for space-constrained control panels. Designers can integrate legacy PLDs into a single FPGA, simplifying BOM and reducing system cost.
Được đề xuất
Automotive Electronics
In automotive electronics, the A42MX24-1PLG84 serves as a reliable FPGA for implementing body control modules, gateway interfaces, and motor control units. Its 5V operation allows direct interfacing with legacy automotive sensors and actuators, while the 3.3V supply option supports mixed-voltage designs. The device's 72 I/O pins can handle multiple CAN, LIN, and PWM signals, and the embedded dual-port SRAM facilitates message buffering. The commercial temperature range (-40°C to +85°C) covers most automotive cabin applications, though for under-hood use, the industrial-grade A42MX24-1PLG84I is recommended. The FPGA's reprogrammability enables firmware updates and design flexibility, reducing time-to-market for evolving automotive features. Its high reliability and long-term availability make it a trusted choice for automotive OEMs.
Được đề xuất
Communication Interfaces
The A42MX24-1PLG84 is ideal for communication interface applications, such as protocol converters, serial-to-parallel bridges, and network routers. Its 72 I/O pins can support multiple UART, SPI, and I2C interfaces, while the dual-port SRAM enables efficient data packet buffering. The wide-decode circuitry accelerates address decoding and control signal generation, improving throughput. The 5V compatibility allows direct connection to legacy communication ICs, and the 3.3V mode supports modern low-voltage peripherals. The FPGA's reprogrammability enables support for evolving protocols without hardware changes. Its moderate logic capacity (36K gates) is sufficient for implementing protocol state machines and data path logic. The PLCC package's J-lead design provides reliable solder joints for long-term operation in networking equipment.
Được đề xuất
Legacy PLD Consolidation
The A42MX24-1PLG84 is an excellent choice for consolidating multiple legacy PLDs (PAL, GAL, CPLD) into a single FPGA. Its 36,000 system gates and 912 logic cells can absorb the logic of several small PLDs, reducing component count and board space. The wide-decode circuitry mimics CPLD architectures, ensuring seamless migration of existing logic. The 5V I/O compatibility allows direct replacement of 5V PLDs without level shifting. The FPGA's reprogrammability enables iterative design refinement, and the JTAG interface simplifies in-system programming. This consolidation reduces BOM cost, improves reliability, and simplifies supply chain management. The 84-PLCC package is a common footprint, easing PCB layout. Designers can preserve legacy functionality while gaining the flexibility of an FPGA.
Được đề xuất
Test and Measurement Equipment
In test and measurement equipment, the A42MX24-1PLG84 provides the logic resources and I/O flexibility needed for data acquisition, signal conditioning, and instrument control. Its 72 I/O pins can interface with ADCs, DACs, and display drivers, while the dual-port SRAM enables high-speed data buffering. The wide-decode circuitry accelerates trigger logic and timing control, improving measurement accuracy. The 5V operation is compatible with many analog front-end components, and the 3.3V mode supports low-power digital logic. The FPGA's reprogrammability allows firmware updates to add new measurement features. Its commercial temperature range is suitable for benchtop instruments, and the PLCC package offers a compact footprint for portable devices. The device's reliability ensures consistent performance in demanding test environments.
Được đề xuất
Aerospace and Defense
The A42MX24-1PLG84 is used in aerospace and defense applications where reliability and long-term availability are critical. Its 5V operation is compatible with legacy military-grade logic, and the wide operating temperature range (-40°C to +85°C) covers many avionics environments. The FPGA's reprogrammability enables secure firmware updates and design changes without hardware modification. The 36,000 system gates are sufficient for implementing communication protocols, sensor interfaces, and control logic. The dual-port SRAM supports data buffering in radar and telemetry systems. While not radiation-hardened, the device can be used in less critical subsystems with appropriate shielding. The PLCC package provides robust mechanical integrity for vibration-prone environments. Microchip's long-term supply guarantee ensures availability for defense programs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A42MX24-1PLG84 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | A42MX24-1PLG84I | A42MX24-PLG84 | A42MX24-2PLG84I | A42MX24-3PLG84I | A42MX24-3PLG84 |
|---|---|---|---|---|---|---|
| Package | 84-PLCC (J-Lead) | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 36000 | 36000 | 36000 | 36000 | 36000 | 36000 |
| Logic Cells | 912 | 912 | 912 | 912 | 912 | 912 |
| Number of I/O | 72 | 72 | 72 | 72 | 72 | 72 |
| Speed Grade | -1 | -1 | Standard | -2 | -3 | -3 |
| Operating Temperature | -40°C to +85°C | -40°C to +100°C | -40°C to +85°C | -40°C to +100°C | -40°C to +100°C | -40°C to +85°C |
| Supply Voltage | 3.0V-3.6V / 4.75V-5.25V | 3.0V-3.6V / 4.75V-5.25V | 3.0V-3.6V / 4.75V-5.25V | 3.0V-3.6V / 4.75V-5.25V | 3.0V-3.6V / 4.75V-5.25V | 3.0V-3.6V / 4.75V-5.25V |
Bảo phân biệt quan trọng
- Industrial temperature range option (vsA42MX24-1PLG84)
- Speed grade flexibility (vsA42MX24-PLG84)
- 5V compatibility (vsA42MX24-1TQG176)
Ghi chú thiết kế
The A42MX24-1PLG84 supports dual supply voltages: 3.3V (3.0V-3.6V) and 5V (4.75V-5.25V). Ensure both rails are properly decoupled with 0.1uF ceramic capacitors placed close to each VCC pin, and a bulk capacitor (10uF) on the board. The power-up sequence should avoid applying I/O voltage before the core supply to prevent latch-up. Refer to the Microchip 40MX and 42MX FPGA Families datasheet (DS2316) for recommended power supply decoupling and sequencing guidelines.
For the 84-PLCC package, ensure the PCB footprint matches the J-lead dimensions. Use a reflow profile suitable for J-lead components, and consider a socket for prototyping to avoid thermal stress. Provide adequate ground plane and thermal vias under the package to dissipate heat. Route high-speed signals with controlled impedance and minimize trace lengths to I/O pins. Follow the layout recommendations in the datasheet to reduce noise and crosstalk.
A common pitfall is neglecting the dual supply voltage requirements. The A42MX24-1PLG84 requires both 3.3V and 5V supplies; missing one can cause malfunction. Also, ensure JTAG pins (TDI, TDO, TMS, TCK) are properly terminated with pull-up resistors as recommended. Do not leave unused I/O pins floating; configure them as outputs or tie them to a defined level. Verify the speed grade (-1) meets your timing requirements; if not, consider a faster grade like -2 or -3.
Thông tin tuân thủ
RoHS compliance indicated by distributor listings. AEC-Q100 not specified for this part; automotive-grade variants may exist.