A3P400-1PQG208I - ProASIC3 FPGA, 400K Gates | Microchip
MPN: A3P400-1PQG208I ✓ Hoạt độngA3P400-1PQG208I Tóm tắt
A Field Programmable Gate Array (FPGA) is an integrated circuit that can be configured by the customer after manufacturing, typically using a hardware description language (HDL) such as Verilog or VHDL. Unlike ASICs, FPGAs offer reprogrammability and faster time-to-market. The ProASIC3 family uses nonvolatile flash technology, providing instant-on operation, low power consumption, and enhanced security compared to SRAM-based FPGAs, which require external configuration memory.
The A3P400-1PQG208I features 4,500 logic elements (VersaTiles), 151 user I/Os, and 55,296 bits of embedded RAM. It supports up to 4 I/O banks with programmable voltage standards, including LVCMOS, LVTTL, PCI, and LVDS. The device also includes a PLL for clock management and supports in-system programming (ISP) via JTAG, enabling field updates. Its flash-based architecture provides inherent immunity to single-event upsets (SEU), making it suitable for mission-critical applications.
This FPGA is built on a 130 nm flash process, offering a balance of density, performance, and power. The -1 speed grade provides system performance up to 350 MHz for internal logic. The device is available in a 208-pin PQFP package with a 28x28 mm body and 0.5 mm pitch, suitable for surface-mount assembly. The flash configuration is nonvolatile, so the device powers up instantly without external boot memory, reducing BOM cost and board space.
Typical applications include industrial automation, motor control, communications infrastructure, and defense systems. Its low power and instant-on capability make it ideal for portable and battery-powered devices. The 151 I/Os allow flexible interfacing with sensors, ADCs, DACs, and communication transceivers. The embedded RAM can be used for FIFOs, buffers, or small lookup tables.
When designing with this device, ensure proper decoupling of the 1.5 V core supply and the VCCIBx bank supplies. Use the JTAG interface for programming and boundary-scan testing. The flash-based configuration is secure and does not require external memory, but consider the I/O bank voltage requirements to avoid damage. The device supports hot-swap and power-up sequencing per the datasheet guidelines.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a comprehensive resource for engineers evaluating the A3P400-1PQG208I.
Bộ thay thế dễ dàng lắp đặt cho A3P400-1PQG208I — 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 A3P400-1PQG208I (cùng hình factor và footprint) — khác nhau ở Package, Core Supply Voltage, RAM Bits, System Gates, Configuration.
A3P400-2PQG208I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
A3P400-1PQG208YI
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
A3P400-2PQG208I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
A3P600-1PQG208I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A3P250-1PQG208I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A3P400-1PQG208I Tỷ lệ tối đa & tính chất điện
| Family | ProASIC3 |
| Total System Gates | 400000 |
| Logic Elements (VersaTiles) | 4500 |
| User I/Os | 151 |
| RAM Bits | 55296 |
| Core Supply Voltage | 1.5 V |
| I/O Banks | 4 |
| Hộp | PQFP-208 (PQG208) |
| Kiểu lắp đặt | SMD/SMT |
| Maximum Operating Temperature | +85 C |
| Minimum Operating Temperature | -40 C |
| Speed Grade | -1 |
| Packaging | Tray |
| Trạng thái RoHS | Compliant |
| Number of I/O Banks | 4 |
Cấu hình chân A3P400-1PQG208I
| Chân 1 | IO — User I/O |
| Chân 2 | IO — User I/O |
| Chân 3 | IO — User I/O |
| Chân 4 | IO — User I/O |
| Chân 5 | IO — User I/O |
| Chân 6 | IO — User I/O |
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| Chân 149 | IO — User I/O |
| Chân 150 | IO — User I/O |
| Chân 151 | IO — User I/O |
| Chân 152 | VCC — Core power supply (1.5V) |
| Chân 153 | GND — Ground |
| Chân 154 | VCCIB0 — I/O bank 0 supply |
| Chân 155 | GND — Ground |
| Chân 156 | VCCIB1 — I/O bank 1 supply |
| Chân 157 | GND — Ground |
| Chân 158 | VCCIB2 — I/O bank 2 supply |
| Chân 159 | GND — Ground |
| Chân 160 | VCCIB3 — I/O bank 3 supply |
| Chân 161 | GND — Ground |
| Chân 162 | TCK — JTAG clock |
| Chân 163 | TDI — JTAG data in |
| Chân 164 | TDO — JTAG data out |
| Chân 165 | TMS — JTAG mode select |
| Chân 166 | TRST — JTAG reset (active low) |
| Chân 167 | VCCPLL — PLL power supply |
| Chân 168 | GNDPLL — PLL ground |
| Chân 169 | GND — Ground |
| Chân 170 | VCC — Core power supply (1.5V) |
| Chân 171 | GND — Ground |
| Chân 172 | VCC — Core power supply (1.5V) |
| Chân 173 | GND — Ground |
| Chân 174 | VCC — Core power supply (1.5V) |
| Chân 175 | GND — Ground |
| Chân 176 | VCC — Core power supply (1.5V) |
| Chân 177 | GND — Ground |
| Chân 178 | VCC — Core power supply (1.5V) |
| Chân 179 | GND — Ground |
| Chân 180 | VCC — Core power supply (1.5V) |
| Chân 181 | GND — Ground |
| Chân 182 | VCC — Core power supply (1.5V) |
| Chân 183 | GND — Ground |
| Chân 184 | VCC — Core power supply (1.5V) |
| Chân 185 | GND — Ground |
| Chân 186 | VCC — Core power supply (1.5V) |
| Chân 187 | GND — Ground |
| Chân 188 | VCC — Core power supply (1.5V) |
| Chân 189 | GND — Ground |
| Chân 190 | VCC — Core power supply (1.5V) |
| Chân 191 | GND — Ground |
| Chân 192 | VCC — Core power supply (1.5V) |
| Chân 193 | GND — Ground |
| Chân 194 | VCC — Core power supply (1.5V) |
| Chân 195 | GND — Ground |
| Chân 196 | VCC — Core power supply (1.5V) |
| Chân 197 | GND — Ground |
| Chân 198 | VCC — Core power supply (1.5V) |
| Chân 199 | GND — Ground |
| Chân 200 | VCC — Core power supply (1.5V) |
| Chân 201 | GND — Ground |
| Chân 202 | VCC — Core power supply (1.5V) |
| Chân 203 | GND — Ground |
| Chân 204 | VCC — Core power supply (1.5V) |
| Chân 205 | GND — Ground |
| Chân 206 | VCC — Core power supply (1.5V) |
| Chân 207 | GND — Ground |
| Chân 208 | VCC — Core power supply (1.5V) |
Ứng dụng tiêu biểu
A3P400-1PQG208I phù hợp cho 6 Áp dụngs: Industrial Automation, Communications Infrastructure, Defense and Aerospace, Medical Electronics, Automotive Electronics, IoT and Smart Devices.
Industrial Automation
The A3P400-1PQG208I is ideal for industrial automation due to its 151 I/Os, which can interface with sensors, actuators, and communication protocols like RS-485 and CAN. Its flash-based, instant-on architecture ensures reliable operation in harsh environments with wide temperature ranges (-40C to +85C). The 400K gates provide ample logic for motor control, PLCs, and machine vision preprocessing. The device's low power consumption reduces heat dissipation in sealed enclosures, and its security features protect intellectual property in competitive industrial markets.
Được đề xuất
Communications Infrastructure
In communications infrastructure, the A3P400-1PQG208I excels with its 4 I/O banks supporting various voltage standards (LVCMOS, LVTTL, PCI, LVDS). The 55,296 bits of RAM can be used for packet buffering or FIFOs in Ethernet switches and routers. The device's PLL enables clock synthesis for high-speed serial interfaces. Its instant-on capability is crucial for network equipment that must boot quickly. The -1 speed grade supports system performance up to 310 MHz, sufficient for many communication protocols. The flash-based design provides inherent SEU immunity, enhancing reliability in data centers and telecom facilities.
Được đề xuất
Defense and Aerospace
The A3P400-1PQG208I is well-suited for defense and aerospace applications due to its flash-based architecture, which is inherently resistant to radiation-induced configuration upsets (SEU). The device operates over the full military temperature range (-40C to +85C) and supports secure in-system programming via JTAG. Its 151 I/Os can interface with avionics sensors, GPS modules, and communication transceivers. The 400K gates provide sufficient logic for signal processing, encryption, and control functions. The instant-on feature is critical for systems requiring immediate operation upon power-up, such as missile guidance and flight control.
Được đề xuất
Medical Electronics
In medical electronics, the A3P400-1PQG208I provides a reliable, low-power solution for patient monitoring, diagnostic imaging, and portable medical devices. Its 151 I/Os can interface with analog front-ends, ADCs, and display controllers. The flash-based configuration ensures secure, tamper-proof operation, which is essential for medical devices. The device's low power consumption extends battery life in portable monitors. The instant-on feature allows immediate operation when the device is powered, which is critical in emergency medical equipment. The -40C to +85C temperature range covers most medical environments.
Được đề xuất
Automotive Electronics
The A3P400-1PQG208I is suitable for automotive electronics such as engine control units, infotainment systems, and advanced driver-assistance systems (ADAS). Its 151 I/Os can interface with sensors, CAN transceivers, and display panels. The device operates over the automotive temperature range (-40C to +85C) and is AEC-Q100 qualified (check specific variant). The flash-based architecture provides instant-on and high reliability, essential for safety-critical applications. The 400K gates are sufficient for motor control, sensor fusion, and communication protocols. The low power consumption helps meet automotive energy efficiency standards.
Được đề xuất
IoT and Smart Devices
The A3P400-1PQG208I is an excellent choice for IoT and smart devices due to its low power consumption, instant-on capability, and security features. The 151 I/Os allow flexible interfacing with sensors, wireless modules, and displays. The flash-based configuration eliminates the need for external boot memory, reducing BOM cost and board space. The device's 400K gates provide ample logic for edge processing, protocol conversion, and data aggregation. Its small footprint and wide temperature range make it suitable for smart home devices, industrial IoT gateways, and wearable technology.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A3P400-1PQG208I — 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 | A3P400-2PQG208I | A3P400-1PQG208YI | A3P600-1PQG208I | A3P250-1PQG208I |
|---|---|---|---|---|---|
| Package | PQFP-208 (PQG208) | PQFP-208 (PQG208) | PQFP-208 (PQG208) | PQFP-208 (PQG208) | PQFP-208 (PQG208) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 400000 | 400000 | 400000 | 600000 | 250000 |
| Logic Elements | 4500 | 4500 | 4500 | 13824 | 3072 |
| User I/Os | 151 | 151 | 151 | 151 | 151 |
| RAM Bits | 55296 | 55296 | 55296 | 110592 | 36864 |
| Speed Grade | -1 | -2 | -1 | -1 | -1 |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +100C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Flash-based instant-on architecture (vsSRAM-based FPGAs (e.g., Xilinx Spartan-6))
- Low power consumption (vsA3P600-1PQG208I)
- Cost-effective density (vsA3P250-1PQG208I)
Ghi chú thiết kế
The A3P400-1PQG208I requires a 1.5V core supply and separate I/O bank supplies (VCCIBx). Use low-ESR ceramic capacitors (0.1uF and 10uF) close to each VCC and VCCIBx pin. The total core current can be estimated based on logic utilization and toggle rate; refer to the Microchip power calculator for accurate estimates. Ensure the power supply can handle transient currents during configuration and operation.
For the 208-pin PQFP package, use a 4-layer or more PCB with dedicated power and ground planes. Route I/O traces with controlled impedance if using high-speed interfaces like LVDS. Place decoupling capacitors as close as possible to the power pins. Follow the layout guidelines in the ProASIC3 datasheet to minimize noise and crosstalk. The exposed pad (if present) should be soldered to the ground plane for thermal and electrical performance.
A common mistake is connecting I/O bank supplies (VCCIBx) incorrectly. Each bank must be powered to the appropriate voltage for the I/O standard used. Also, ensure the JTAG pins (TCK, TDI, TDO, TMS) are properly terminated and not left floating. The device is flash-based, so no external configuration memory is needed, but verify the programming interface is correctly connected. Avoid exceeding the absolute maximum ratings on any pin.
Thông tin tuân thủ
RoHS compliant per distributor data. AEC-Q100 qualification not specified for this part.