A3P400-2PQG208 - 400K ProASIC3 FPGA | Microchip PQFP-208
MPN: A3P400-2PQG208 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $86.5 | $86.50 |
| 10 | $78.2 | $782.00 |
| 100 | $69.8 | $6,980.00 |
| 500 | $62.5 | $31,250.00 |
| 1,000 | $56.9 | $56,900.00 |
Drop-in alternatives for A3P400-2PQG208 — 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:
A3P400-1PQG208I
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$28.5 / Unit
View Datasheet →A3P400-PQ208
✅ Drop-In📋 Reference alternative (not in catalog)
A3P250-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$23.71 / Unit
View Datasheet →A3P600-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$55.87 / Unit
View Datasheet →A3P1000-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$65.67 / Unit
View Datasheet →A3P125-2PQG208
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$22.3 / Unit
View Datasheet →A3P400-2PQG208 Maximum Ratings & Electrical Characteristics
| Product Family | ProASIC3 |
| System Gates | 400000 |
| Logic Elements | 5000 |
| Total RAM Bits | 55296 |
| Number of User I/Os | 151 |
| Number of I/O Banks | 4 |
| Core Supply Voltage | 1.5V |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | +70°C |
| Package / Case | PQFP-208 (28x28 mm) |
| Number of Pins | 208 |
| Mounting Style | SMD/SMT |
| Packaging | Tray |
| Speed Grade | -2 |
| Logic Family | CMOS |
| Configuration Memory | Flash-based (non-volatile) |
| RoHS Status | Compliant |
A3P400-2PQG208 pqfp-208 (28x28 mm) Pin Configuration Guide
Complete pinout information for A3P400-2PQG208 (pqfp-208 (28x28 mm) package) with 208 pins. This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A3P400-2PQG208.
Refer to the datasheet for full pin configuration.
Estimated pin count: 208 pins (digital package)
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
A3P400-2PQG208 is suitable for 6 applications: Industrial Motor Control, Communication Interface Bridging, Medical Device Signal Processing, Aerospace and Defense Ruggedized Systems, Video and Image Acquisition, IoT Edge and Industrial Networking.
Industrial Motor Control
The A3P400-2PQG208 fits industrial motor control applications such as PMSM, BLDC, and AC induction motor drives. Its 151 user I/Os provide ample connectivity for Hall sensors, incremental encoders, current-sense ADCs, and PWM gate drivers. The 400K system gates are sufficient to implement FOC (field-oriented control) state machines, PI controllers, and protection logic. The flash-based ProASIC3 architecture powers up instantly without an external boot device, which is critical for safety-oriented motor drives that must reach a known state quickly. Designers can place the FPGA close to gate drivers because the PQFP-208 package simplifies routing and the 1.5V core keeps switching power moderate. For multi-axis systems, migrating to the A3P600-2PQG208 or A3P1000-2PQG208 in the same footprint provides extra resources.
Recommended
Communication Interface Bridging
With 151 user I/Os and four I/O banks, the A3P400-2PQG208 is well suited for communication interface bridging, such as converting between parallel bus, SPI, I2C, UART, and custom LVCMOS protocols. The flash-based FPGA can implement a soft UART or SPI master/slave without consuming large logic resources. Its 55,296 bits of RAM provide small FIFO buffers for data rate matching and packet buffering. The 1.5V core supply reduces noise and power in compact networking equipment. Because ProASIC3 supports in-system programming over JTAG, firmware-in-the-loop updates can be performed securely in the field. For designs needing more protocol stack memory, the A3P1000-2PQG208 offers a larger RAM capacity in the same PQFP-208 package.
Recommended
Medical Device Signal Processing
The A3P400-2PQG208 is used in medical devices such as patient monitors, diagnostic imaging front-ends, and portable biomedical instruments. Its 400K system gates can implement digital filtering, envelope detection, and sensor fusion algorithms. Flash-based configuration provides secure, non-volatile bitstream storage, which is helpful for medical equipment that must preserve calibration constants and configuration data. The 151 I/O count supports multiple analog front-end ADCs, DACs, and display interfaces. The commercial temperature range covers most hospital and laboratory environments. For medical devices requiring broader temperature tolerance, the A3P400-1PQG208I industrial-grade drop-in alternative is recommended.
Recommended
Aerospace and Defense Ruggedized Systems
ProASIC3 FPGAs are valued in aerospace and defense systems for their flash-based, non-volatile configuration, which resists bitstream loss and supports secure remote updates. The A3P400-2PQG208, while commercially rated, is often used in ground-support equipment and test systems where 0°C to +70°C is sufficient. The 400K system gates can implement bus interfaces, telemetry aggregation, and simple cryptographic or protocol logic. The PQFP-208 package is easier to inspect than BGA parts and simplifies rework in low-volume defense modules. For military temperature ranges, designers should select an industrial-grade ProASIC3 variant such as the A3P400-1PQG208I and verify radiation and temperature specifications with Microchip.
Recommended
Video and Image Acquisition
The A3P400-2PQG208 can aggregate image data from CMOS sensors, line-scan cameras, and parallel ADCs for industrial vision systems. Its 151 I/O pins are sufficient for 8-bit or 16-bit parallel video buses plus control signals. The 55,296 bits of RAM enable line buffering and small frame region storage. The 400K logic elements can implement simple image preprocessing such as thresholding, edge detection, and pixel format conversion. The flash-based architecture supports secure bitstream storage, protecting the imaging algorithm. For higher-resolution imaging pipelines, migrating to the A3P600-2PQG208 or A3P1000-2PQG208 adds more logic and memory in the compatible PQFP-208 footprint.
Recommended
IoT Edge and Industrial Networking
In IoT edge gateways and industrial networking nodes, the A3P400-2PQG208 provides a flexible programmable fabric for sensor aggregation, protocol conversion, and pre-processing. Its 151 I/Os can interface with multiple digital sensors, UARTs, and SPI buses, while its 400K system gates host soft peripherals such as I2C controllers and CRC engines. The 1.5V core supply helps keep power consumption low in always-on edge devices. Flash-based configuration supports secure, unattended field updates. For smaller edge node designs, the A3P125-2PQG208 or A3P250-2PQG208 offer lower resource footprints with the same package and supply voltage.
Recommended
Recommended Products Summary
Engineering reference data for A3P400-2PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A3P400-1PQG208I | A3P400-PQ208 | A3P250-2PQG208 | A3P600-2PQG208 | A3P1000-2PQG208 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PQFP-208 (28x28 mm) | PQFP-208 (28x28 mm) - same | PQFP-208 (28x28 mm) - same | PQFP-208 (28x28 mm) - same | PQFP-208 (28x28 mm) - same | PQFP-208 (28x28 mm) - same |
| System Gates | 400000 | 400000 | 400000 | 250000 | 600000 | 1000000 |
| Logic Elements | 5000 | 5000 | 5000 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Total RAM Bits | 55296 | 55296 | 55296 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Number of User I/Os | 151 | 151 | 151 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Core Supply Voltage | 1.5V | 1.5V | 1.5V | 1.5V | 1.5V | 1.5V |
| Speed Grade | -2 | -1 | [DATA_NEEDED] | -2 | -2 | -2 |
| Operating Temperature Range | 0°C to +70°C | Industrial (typically -40°C to +100°C) | [DATA_NEEDED] | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C |
| RoHS | Compliant | Compliant | Non-green variant | Compliant | Compliant | Compliant |
Key Differentiators
- Faster -2 speed grade in a commercial temperature PQFP-208 package (vs A3P400-1PQG208I)
- Higher logic capacity than the A3P125-2PQG208 (vs A3P125-2PQG208)
- RoHS-compliant green package (vs A3P400-PQ208)
Design Notes
The A3P400-2PQG208 core operates from 1.5V. Use a low-noise 1.5V regulator capable of supplying the estimated core current, which depends on logic utilization, clock frequency, and I/O loading. A conservative estimate for a 400K-gate ProASIC3 design is 20-150 mA core current, but this should be validated with Microchip's power estimator. Place a 10uF bulk capacitor and multiple 0.1uF ceramic capacitors close to the VCC and VCCIBx pins.
Dedicate one solid ground plane under the PQFP-208 package. For each I/O bank, place a 0.1uF capacitor directly adjacent to the VCCIBx pin to minimize supply impedance. Route the JTAG pins to a standard header for programming and debug. Avoid routing high-speed LVCMOS traces parallel to unsuppressed I/O bank supplies to reduce coupling noise.
One common pitfall is forgetting that ProASIC3 is flash-based: the FPGA retains its configuration without an external boot device. Do not add an external configuration PROM unless the design truly needs a separate non-volatile key or firmware image. Another pitfall is assuming the A3P400-PQ208 is identical to the A3P400-2PQG208; the non-green variant may not meet RoHS requirements. Always verify the exact ordering code and temperature grade in the datasheet.
The four I/O banks of the A3P400-2PQG208 can run at different voltage standards, but each bank has its own VCCIBx supply and only I/Os with compatible voltage standards should be assigned to the same bank. For high-speed parallel buses, keep trace lengths matched and use series termination resistors near the FPGA outputs. This is especially important when interfacing with memory devices or high-speed ADCs.
Compliance Information
RoHS compliance is confirmed by the JLCPCB listing. Other compliance statuses were not stated in the verified web data and should be confirmed with the Microchip datasheet or a Microchip sales representative.
