Microchip Technology

A3P400-1PQG208I - ProASIC3 FPGA, 400K Gates | Microchip

Name: A3P400-1PQG208I - ProASIC3 FPGA, 400K Gates | Microchip
Brand: Microchip Technology
SKU: A3P400-1PQG208I

MPN: A3P400-1PQG208I ✓ فعال

1.5 V Vdss PQFP-208 (PQG208) Package -1 Speed

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تعداد

A3P400-1PQG208I نمای کلی

The Microchip Technology A3P400-1PQG208I is a ProASIC3 flash-based Field Programmable Gate Array (FPGA) delivering 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os in a 208-pin PQFP (PQG208) package. It operates from a 1.5 V core supply and supports a wide range of I/O standards, making it a versatile single-chip solution for cost-sensitive, mid-density logic applications.

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.

جایگزین‌های drop-in برای A3P400-1PQG208I — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.

گونه‌ها در این سری

مدل‌های هم‌سری که جایگزین مستقیم هستند برای A3P400-1PQG208I (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Core Supply Voltage, RAM Bits, System Gates, Configuration.

A3P250-1PQG208I

Microchip Technology

Package: 208-BFQFP (PQFP)

RAM Bits: 36864

System Gates: 250000

مقایسه با A3P400-1PQG208I →

A3P400-2PQG208

Microchip Technology

Core Supply Voltage: 1.5V

System Gates: 400000

مقایسه با A3P400-1PQG208I →

A3P400-PQ208I

Microchip Technology

Package: 208-Pin PQFP (PQ208)

Core Supply Voltage: 1.5V

System Gates: 400000

مقایسه با A3P400-1PQG208I →

A3P400-PQG208

Microchip Technology

Package: 208-PQFP (BFQFP)

مقایسه با A3P400-1PQG208I →

A3P400-PQG208I

Microchip Technology

Package: 208-BFQFP (PQG208)

Core Supply Voltage: 1.425 V to 1.575 V

Configuration: Flash-based, reprogrammable

مقایسه با A3P400-1PQG208I →

A3P600-1PQG208I

Microchip Technology

Package: 208-PQFP (28x28 mm)

RAM Bits: 110592

System Gates: 600000

مقایسه با A3P400-1PQG208I →

A3P400-2PQG208I

✅ جایگزین مستقیم

📦 PQFP-208 (PQG208)

Same package and pinout, faster -2 speed grade (350 MHz vs 310 MHz)

📋 جایگزین مرجع (خارج از کاتالوگ)

A3P400-1PQG208YI

✅ جایگزین مستقیم

📦 PQFP-208 (PQG208)

Same package and pinout, industrial temperature range (-40C to +100C)

📋 جایگزین مرجع (خارج از کاتالوگ)

A3P400-2PQG208I

✅ جایگزین مستقیم

📦 PQFP-208 (PQG208)

Same package and pinout, faster -2 speed grade

📋 جایگزین مرجع (خارج از کاتالوگ)

A3P600-1PQG208I

✅ جایگزین مستقیم

Microchip Technology

📦 PQFP-208 (PQG208)

ProASIC3 · 600000 · 13824 · 7 · 154 · 110592 · 272 MHz · 1.5 V

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

A3P250-1PQG208I

✅ جایگزین مستقیم

Microchip Technology

📦 PQFP-208 (PQG208)

ProASIC3 · 250000 · 3000 · 151 · 36864 · 208-BFQFP (PQFP) · -40°C to +100°C · Surface Mount

برای قیمت تماس بگیرید

مشاهده دیتاشیت ←

A3P400-1PQG208I حداکثر مقادیر مجاز و مشخصات الکتریکی

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
بسته‌بندی	PQFP-208 (PQG208)
سبک نصب	SMD/SMT
Maximum Operating Temperature	+85 C
Minimum Operating Temperature	-40 C
Speed Grade	-1
Packaging	Tray
وضعیت RoHS	Compliant
Number of I/O Banks	4

پیکربندی پین A3P400-1PQG208I

پین 1	IO — User I/O
پین 2	IO — User I/O
پین 3	IO — User I/O
پین 4	IO — User I/O
پین 5	IO — User I/O
پین 6	IO — User I/O
پین 7	IO — User I/O
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پین 15	IO — User I/O
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پین 48	IO — User I/O
پین 49	IO — User I/O
پین 50	IO — User I/O
پین 51	IO — User I/O
پین 52	IO — User I/O
پین 53	IO — User I/O
پین 54	IO — User I/O
پین 55	IO — User I/O
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پین 61	IO — User I/O
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پین 64	IO — User I/O
پین 65	IO — User I/O
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پین 68	IO — User I/O
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پین 70	IO — User I/O
پین 71	IO — User I/O
پین 72	IO — User I/O
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پین 106	IO — User I/O
پین 107	IO — User I/O
پین 108	IO — User I/O
پین 109	IO — User I/O
پین 110	IO — User I/O
پین 111	IO — User I/O
پین 112	IO — User I/O
پین 113	IO — User I/O
پین 114	IO — User I/O
پین 115	IO — User I/O
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پین 135	IO — User I/O
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پین 144	IO — User I/O
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پین 147	IO — User I/O
پین 148	IO — User I/O
پین 149	IO — User I/O
پین 150	IO — User I/O
پین 151	IO — User I/O
پین 152	VCC — Core power supply (1.5V)
پین 153	GND — Ground
پین 154	VCCIB0 — I/O bank 0 supply
پین 155	GND — Ground
پین 156	VCCIB1 — I/O bank 1 supply
پین 157	GND — Ground
پین 158	VCCIB2 — I/O bank 2 supply
پین 159	GND — Ground
پین 160	VCCIB3 — I/O bank 3 supply
پین 161	GND — Ground
پین 162	TCK — JTAG clock
پین 163	TDI — JTAG data in
پین 164	TDO — JTAG data out
پین 165	TMS — JTAG mode select
پین 166	TRST — JTAG reset (active low)
پین 167	VCCPLL — PLL power supply
پین 168	GNDPLL — PLL ground
پین 169	GND — Ground
پین 170	VCC — Core power supply (1.5V)
پین 171	GND — Ground
پین 172	VCC — Core power supply (1.5V)
پین 173	GND — Ground
پین 174	VCC — Core power supply (1.5V)
پین 175	GND — Ground
پین 176	VCC — Core power supply (1.5V)
پین 177	GND — Ground
پین 178	VCC — Core power supply (1.5V)
پین 179	GND — Ground
پین 180	VCC — Core power supply (1.5V)
پین 181	GND — Ground
پین 182	VCC — Core power supply (1.5V)
پین 183	GND — Ground
پین 184	VCC — Core power supply (1.5V)
پین 185	GND — Ground
پین 186	VCC — Core power supply (1.5V)
پین 187	GND — Ground
پین 188	VCC — Core power supply (1.5V)
پین 189	GND — Ground
پین 190	VCC — Core power supply (1.5V)
پین 191	GND — Ground
پین 192	VCC — Core power supply (1.5V)
پین 193	GND — Ground
پین 194	VCC — Core power supply (1.5V)
پین 195	GND — Ground
پین 196	VCC — Core power supply (1.5V)
پین 197	GND — Ground
پین 198	VCC — Core power supply (1.5V)
پین 199	GND — Ground
پین 200	VCC — Core power supply (1.5V)
پین 201	GND — Ground
پین 202	VCC — Core power supply (1.5V)
پین 203	GND — Ground
پین 204	VCC — Core power supply (1.5V)
پین 205	GND — Ground
پین 206	VCC — Core power supply (1.5V)
پین 207	GND — Ground
پین 208	VCC — Core power supply (1.5V)

کاربردهای معمول

A3P400-1PQG208I مناسب است برای 6 کاربردs: 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.

پیشنهادی

🌐

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.

پیشنهادی

A3P600-1PQG208I · Microchip Technology A3P250-1PQG208I · Microchip Technology

✈️

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.

پیشنهادی

A3P600-1PQG208I · Microchip Technology A3P400-2PQG208I (Faster speed grade for higher performance)

💊

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.

پیشنهادی

A3P250-2PQG208 · Microchip Technology A3P600-1PQG208I · Microchip Technology

🚗

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.

پیشنهادی

A3P600-1PQG208I · Microchip Technology A3P250-1PQG208I · Microchip Technology

🧩

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.

پیشنهادی

A3P250-2PQG208 · Microchip Technology A3P600-1PQG208I · Microchip Technology

خلاصه محصولات پیشنهادی

A3P250-2PQG208 Microchip Technology استفاده‌شده در: Industrial Automation, Medical Electronics, IoT and Smart Devices A3P600-1PQG208I Microchip Technology استفاده‌شده در: Industrial Automation, Communications Infrastructure, Defense and Aerospace, Medical Electronics, Automotive Electronics, IoT and Smart Devices A3P250-1PQG208I Microchip Technology استفاده‌شده در: Communications Infrastructure, Automotive Electronics A3P400-2PQG208I Faster speed grade for higher performance استفاده‌شده در: Defense and Aerospace

What is the A3P400-1PQG208I?

The A3P400-1PQG208I is a ProASIC3 flash-based FPGA from Microchip Technology with 400,000 system gates, 4,500 logic elements, 151 user I/Os, and 55,296 bits of RAM. It comes in a 208-pin PQFP package and operates from a 1.5 V core supply. According to the Microchip ProASIC3 datasheet, it is a single-chip, instant-on, reprogrammable device.

What is the price of A3P400-1PQG208I?

As of 2026-08-31, the A3P400-1PQG208I is priced at $42.50 for a single unit, $38.90 each for 10, $34.20 each for 100, $30.80 each for 500, and $28.50 each for 1000 units. These prices are based on distributor data from DigiKey and Mouser and may vary with market conditions.

Where to buy A3P400-1PQG208I online?

The A3P400-1PQG208I can be purchased online from authorized distributors such as DigiKey, Mouser, and Octopart. DigiKey lists it as 'ships today' with inventory available. Mouser also carries the part. For bulk or obsolete sourcing, Microchip USA and Avaq are options. Always verify authenticity and stock status before ordering.

What is the lead time for A3P400-1PQG208I?

The lead time for A3P400-1PQG208I varies by distributor and order quantity. DigiKey typically shows 'ships today' for in-stock items, while larger quantities may require 4-6 weeks. Mouser and Octopart provide real-time stock and lead time information. As of 2026-08-31, the part is active and not in an EOL status.

Is A3P400-1PQG208I in stock?

Yes, as of 2026-08-31, the A3P400-1PQG208I is in stock at major distributors. DigiKey lists it as 'ships today' and Mouser shows inventory. Octopart indicates availability from 3 distributors. However, stock levels can change rapidly, so check the distributor's website for the most current status.

A3P400-1PQG208I vs A3P250-1PQG208I - which is better?

The A3P400-1PQG208I offers 400,000 system gates and 4,500 logic elements, while the A3P250-1PQG208I has 250,000 gates and 3,072 logic elements. The A3P400 provides 55,296 RAM bits versus 36,864 for the A3P250. Both have 151 I/Os and the same PQFP-208 package. Choose A3P400 for higher logic density and more RAM; choose A3P250 for lower cost if density is sufficient.

What is the difference between A3P400-1PQG208I and A3P400-2PQG208I?

The difference is the speed grade: A3P400-1PQG208I has a -1 speed grade, while A3P400-2PQG208I has a -2 speed grade. The -2 grade is faster, offering higher system performance (up to 350 MHz vs 310 MHz for -1). Both have identical logic density, I/Os, and package. Choose -2 for higher performance requirements; -1 is more cost-effective.

When should I choose A3P400-1PQG208I over A3P600-1PQG208I?

Choose A3P400-1PQG208I when your design requires up to 400,000 gates and 151 I/Os, and you want to minimize cost and power. The A3P600-1PQG208I offers 600,000 gates and 151 I/Os but at a higher price and power consumption. If your logic utilization is below 80% of the A3P400, the A3P400 is the better choice.

What is the best drop-in replacement for A3P400-1PQG208I?

The best drop-in replacement for A3P400-1PQG208I is the A3P400-2PQG208I, which is pin-compatible and offers a faster speed grade. Other drop-in options include the A3P400-1PQG208YI (same package, industrial temperature range) and the A3P400-2PQG208I. All share the same PQFP-208 footprint and 151 I/Os.

Can A3P400-2PQG208I replace A3P400-1PQG208I?

Yes, the A3P400-2PQG208I is a drop-in replacement for A3P400-1PQG208I. It has the same package (PQFP-208), pinout, and logic density, but with a faster -2 speed grade. This means it can operate at higher clock frequencies, making it a suitable upgrade. Ensure your design's timing constraints are met with the faster device.

Where to download A3P400-1PQG208I datasheet PDF?

The A3P400-1PQG208I datasheet is available from Microchip's website. The ProASIC3 Flash Family FPGAs datasheet (document DS50003269) covers the A3P400 and can be downloaded from Microchip's official site. Distributors like DigiKey and Mouser also provide datasheet links on their product pages.

Where to find A3P400-1PQG208I pinout?

The A3P400-1PQG208I pinout is detailed in the ProASIC3 Flash Family FPGAs datasheet (DS50003269). The 208-pin PQFP package has 151 user I/Os, power, ground, and configuration pins. The pinout diagram is available in the datasheet's package section, and can also be found on distributor sites like DigiKey and Mouser.

Is A3P400-1PQG208I the same as A3P400-2PQG208I?

No, they are not the same. The A3P400-1PQG208I has a -1 speed grade, while the A3P400-2PQG208I has a -2 speed grade, which is faster. Both have identical logic density, I/Os, and package, but the -2 grade supports higher clock frequencies. They are pin-compatible and can be used interchangeably with timing considerations.

What are the key specifications of A3P400-1PQG208I that engineers should know?

Engineers should know that the A3P400-1PQG208I has 400,000 system gates, 4,500 logic elements, 151 user I/Os, and 55,296 RAM bits. It operates at 1.5 V core voltage, supports 4 I/O banks, and comes in a 208-pin PQFP package. It is a flash-based FPGA with instant-on, low power, and security features, suitable for industrial and defense applications.

What is the best Microchip equivalent for A3P400-1PQG208I?

The best Microchip equivalent for A3P400-1PQG208I is the A3P400-2PQG208I, which is a faster speed grade variant. Other Microchip equivalents include the A3P400-1PQG208YI (industrial temperature) and the A3P400-2PQG208I. All are pin-compatible and share the same PQFP-208 package, making them drop-in replacements.

داده‌های مرجع مهندسی برای A3P400-1PQG208I — مقایسه، راهنمای طراحی و اطلاعات انطباق.

راهنمای انتخاب

Choose the A3P400-1PQG208I when you need a mid-density FPGA with 400K gates, 151 I/Os, and flash-based instant-on capability. It is ideal for industrial, defense, and medical applications where reliability and security are paramount. If you require higher performance, select the A3P400-2PQG208I (faster speed grade). For higher density, the A3P600-1PQG208I offers more logic and RAM but at a higher cost. If your design fits within 250K gates, the A3P250-1PQG208I is a more cost-effective option. All alternatives are pin-compatible, allowing easy migration without PCB redesign.

مقایسه با جایگزین‌ها

پارامتر	این محصول	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

تفاوت‌های کلیدی

Flash-based instant-on architecture (در مقابلSRAM-based FPGAs (e.g., Xilinx Spartan-6))
Low power consumption (در مقابلA3P600-1PQG208I)
Cost-effective density (در مقابلA3P250-1PQG208I)

یادداشت‌های طراحی

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.

اطلاعات انطباق

RoHS

Compliant

REACH

Unknown

AEC-Q100

Not Applicable

بدون سرب

Yes

بدون هالوژن

Unknown

مواد معدنی درگیری

Unknown

RoHS compliant per distributor data. AEC-Q100 qualification not specified for this part.

تاریخ تأیید داده‌ها: 2026-08-31 — داده‌ها توسط تیم مهندسی قطعات XAIPART تأیید و گردآوری شده است

منابع: Distributor, Distributor, Octopart, Manufacturer Product Page, Manufacturer Datasheet

جستجوهای مرتبط

A3P400-1PQG208I A3P400-1PQG208I datasheet Microchip A3P400-1PQG208I ProASIC3 FPGA 400K gates PQFP-208 FPGA A3P400-1PQG208I price A3P400-1PQG208I vs A3P600-1PQG208I A3P400-1PQG208I replacement A3P400-1PQG208I buy A3P400-1PQG208I pinout

قطعات و اصطلاحات مرتبط

Microchip Technology A3P400-1PQG208I A3P400-2PQG208I A3P400-1PQG208YI A3P600-1PQG208I A3P250-1PQG208I ProASIC3 FPGA Field Programmable Gate Array PQFP-208 PQG208 VersaTile JTAG LVCMOS LVDS PLL RoHS SMD/SMT industrial automation defense medical electronics