Microchip Technology

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

Name: A3P400-PQG208I - ProASIC3 FPGA, 400K Gates | Microchip
Brand: Microchip Technology
SKU: A3P400-PQG208I
Price: 65 USD
Availability: InStock

料号： A3P400-PQG208I ✓ 量产中

有现货 1-3 个工作日内发货

1.425 V to 1.575 V Vdss 208-BFQFP (PQG208) Package

低至 $65 USD / 件

最小起订量： 1 |

价格更新于： 2026-08-31

批量定价

数量	单价	小计
1	$90.73	$90.73
10	$85	$850.00
100	$78.5	$7,850.00
500	$72	$36,000.00
1,000	$65	$65,000.00

ℹ️ 所有价格均以 USD 计价

查看数据手册 (PDF) 查看替代料

数量

A3P400-PQG208I 概述

The Microchip Technology A3P400-PQG208I is a ProASIC3 family Field Programmable Gate Array (FPGA) delivering 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os in a 208-pin BFQFP (PQG208) package. It operates from a 1.425 V to 1.575 V core supply and supports industrial temperature range from -40°C to 100°C (TJ).

A Field Programmable Gate Array (FPGA) is an integrated circuit that can be configured by the customer after manufacturing, allowing rapid prototyping and flexible hardware design. FPGAs sit within the broader category of programmable logic devices (PLDs), which also includes CPLDs and SoC FPGAs. The ProASIC3 family is a flash-based FPGA, meaning configuration is stored in non-volatile flash memory, enabling instant-on operation without an external boot device.

Key features of the A3P400-PQG208I include 400,000 system gates, 55,296 bits of RAM, 151 user I/Os, and a system performance of up to 231 MHz. The device supports multiple I/O standards and features four I/O banks with dedicated VCCIBx supplies. Its flash-based architecture provides inherent security against reverse engineering and supports single-chip, low total cost of ownership (TOC) designs.

The ProASIC3 architecture uses a flash-based switch matrix that is reprogrammable and retains configuration when power is removed. This eliminates the need for external configuration memory, reducing board space and BOM cost. The device also includes an abundance of advanced features such as clock conditioning circuits (CCC) and phase-locked loops (PLLs) for robust clock management.

Typical applications include industrial control, automotive electronics, communications infrastructure, and consumer electronics where low power, instant-on, and security are critical. The 208-pin BFQFP package with 0.5 mm pitch provides a compact footprint suitable for space-constrained designs.

When designing with this device, ensure proper decoupling of the 1.5 V core supply and each VCCIBx bank supply. The four I/O banks allow mixing of different I/O voltage standards, but only compatible standards can be assigned to the same bank. Refer to the ProASIC3 migration application note for guidance on migrating between densities.

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-PQG208I.

直接替换替代料： A3P400-PQG208I ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号： A3P400-PQG208I （相同外形与封装尺寸） ——差异在于 Package, Core Supply Voltage, System Gates, Configuration, Configuration Memory.

A3P400-1PQG208I

Microchip Technology

Package: PQFP-208 (PQG208)

Core Supply Voltage: 1.5 V

对比 A3P400-PQG208I →

A3P400-2PQG208

Microchip Technology

Core Supply Voltage: 1.5V

System Gates: 400000

Configuration Memory: Flash-based (non-volatile)

对比 A3P400-PQG208I →

A3P400-PQ208I

Microchip Technology

Package: 208-Pin PQFP (PQ208)

Core Supply Voltage: 1.5V

System Gates: 400000

对比 A3P400-PQG208I →

A3P400-PQG208

Microchip Technology

Package: 208-PQFP (BFQFP)

对比 A3P400-PQG208I →

A3P600-PQG208I

Microsemi

Package: 208-BFQFP (PQFP-208)

Core Supply Voltage: 1.5 V

System Gates: 600K

对比 A3P400-PQG208I →

快速对比工具——选择替代料号进行并排对比：

A3P400-2PQG208I

✅ 直接替换

📦 208-BFQFP (PQG208)

Same package and pinout, faster speed grade (2 vs standard)

📋 参考替代料（不在目录中）

A3P400-1PQG208I

✅ 直接替换

Microchip Technology

📦 208-BFQFP (PQG208)

ProASIC3 · 400000 · 4500 · 151 · 55296 · 1.5 V · 4 · PQFP-208 (PQG208)

✓ 有现货

$28.5 / 个

查看数据手册 →

A3P400-PQG208

✅ 直接替换

Microchip Technology

📦 208-BFQFP (PQG208)

ProASIC3 · 400000 · 151 · 55296 · 231 MHz · LVCMOS, LVTTL, LVDS, LVPECL, PCI, PCI-X · 4 · 1.5 V core, 2.5 V/3.3 V I/O

✓ 有现货

$29 / 个

查看数据手册 →

A3P400-2PQG208

✅ 直接替换

Microchip Technology

📦 208-BFQFP (PQG208)

ProASIC3 · 400000 · 5000 · 55296 · 151 · 4 · 1.5V

✓ 有现货

$56.9 / 个

查看数据手册 →

A3P600-PQG208I

✅ 直接替换

Microsemi

📦 208-BFQFP (PQG208)

ProASIC3 · 600K · 7KLEs class (per distributor listing) · 154 · 231 MHz · 130 nm · 1.5 V

✓ 有现货

$68.08 / 个

查看数据手册 →

A3P400-PQG208I 最大额定值与电气特性

Family	ProASIC3
Number of Logic Elements	5K LEs
Number of Gates	400000
Total RAM Bits	55296
Number of I/O	151
Number of I/O Banks	4
Core Supply Voltage	1.425 V to 1.575 V
工作温度范围	-40°C to 100°C (TJ)
封装	208-BFQFP (PQG208)
安装类型	Surface Mount
Pitch	0.5 mm
Maximum System Performance	231 MHz
Configuration	Flash-based, reprogrammable
RoHS 状态	Compliant

A3P400-PQG208I 引脚配置

引脚 1	IO — User I/O
引脚 2	IO — User I/O
引脚 3	IO — User I/O
引脚 4	IO — User I/O
引脚 5	IO — User I/O
引脚 6	IO — User I/O
引脚 7	IO — User I/O
引脚 8	IO — User I/O
引脚 9	IO — User I/O
引脚 10	IO — User I/O
引脚 11	IO — User I/O
引脚 12	IO — User I/O
引脚 13	IO — User I/O
引脚 14	IO — User I/O
引脚 15	IO — User I/O
引脚 16	IO — User I/O
引脚 17	IO — User I/O
引脚 18	IO — User I/O
引脚 19	IO — User I/O
引脚 20	IO — User I/O
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引脚 23	IO — User I/O
引脚 24	IO — User I/O
引脚 25	IO — User I/O
引脚 26	IO — User I/O
引脚 27	IO — User I/O
引脚 28	IO — User I/O
引脚 29	IO — User I/O
引脚 30	IO — User I/O
引脚 31	IO — User I/O
引脚 32	IO — User I/O
引脚 33	IO — User I/O
引脚 34	IO — User I/O
引脚 35	IO — User I/O
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引脚 40	IO — User I/O
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引脚 44	IO — User I/O
引脚 45	IO — User I/O
引脚 46	IO — User I/O
引脚 47	IO — User I/O
引脚 48	IO — User I/O
引脚 49	IO — User I/O
引脚 50	IO — User I/O
引脚 51	IO — User I/O
引脚 52	IO — User I/O
引脚 53	IO — User I/O
引脚 54	IO — User I/O
引脚 55	IO — User I/O
引脚 56	IO — User I/O
引脚 57	IO — User I/O
引脚 58	IO — User I/O
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引脚 60	IO — User I/O
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引脚 62	IO — User I/O
引脚 63	IO — User I/O
引脚 64	IO — User I/O
引脚 65	IO — User I/O
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引脚 70	IO — User I/O
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引脚 74	IO — User I/O
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引脚 100	IO — User I/O
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引脚 102	IO — User I/O
引脚 103	IO — User I/O
引脚 104	IO — User I/O
引脚 105	IO — User I/O
引脚 106	IO — User I/O
引脚 107	IO — User I/O
引脚 108	IO — User I/O
引脚 109	IO — User I/O
引脚 110	IO — User I/O
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引脚 145	IO — User I/O
引脚 146	IO — User I/O
引脚 147	IO — User I/O
引脚 148	IO — User I/O
引脚 149	IO — User I/O
引脚 150	IO — User I/O
引脚 151	IO — User I/O
引脚 152	VCC — Core power supply
引脚 153	GND — Ground
引脚 154	VCCIB0 — I/O bank 0 supply
引脚 155	VCCIB1 — I/O bank 1 supply
引脚 156	VCCIB2 — I/O bank 2 supply
引脚 157	VCCIB3 — I/O bank 3 supply
引脚 158	GND — Ground
引脚 159	VCC — Core power supply
引脚 160	GND — Ground
引脚 161	VCC — Core power supply
引脚 162	GND — Ground
引脚 163	VCC — Core power supply
引脚 164	GND — Ground
引脚 165	VCC — Core power supply
引脚 166	GND — Ground
引脚 167	VCC — Core power supply
引脚 168	GND — Ground
引脚 169	VCC — Core power supply
引脚 170	GND — Ground
引脚 171	VCC — Core power supply
引脚 172	GND — Ground
引脚 173	VCC — Core power supply
引脚 174	GND — Ground
引脚 175	VCC — Core power supply
引脚 176	GND — Ground
引脚 177	VCC — Core power supply
引脚 178	GND — Ground
引脚 179	VCC — Core power supply
引脚 180	GND — Ground
引脚 181	VCC — Core power supply
引脚 182	GND — Ground
引脚 183	VCC — Core power supply
引脚 184	GND — Ground
引脚 185	VCC — Core power supply
引脚 186	GND — Ground
引脚 187	VCC — Core power supply
引脚 188	GND — Ground
引脚 189	VCC — Core power supply
引脚 190	GND — Ground
引脚 191	VCC — Core power supply
引脚 192	GND — Ground
引脚 193	VCC — Core power supply
引脚 194	GND — Ground
引脚 195	VCC — Core power supply
引脚 196	GND — Ground
引脚 197	VCC — Core power supply
引脚 198	GND — Ground
引脚 199	VCC — Core power supply
引脚 200	GND — Ground
引脚 201	VCC — Core power supply
引脚 202	GND — Ground
引脚 203	VCC — Core power supply
引脚 204	GND — Ground
引脚 205	VCC — Core power supply
引脚 206	GND — Ground
引脚 207	VCC — Core power supply
引脚 208	GND — Ground

典型应用

A3P400-PQG208I 适用于 6 应用s: Industrial Control, Automotive Electronics, Communications Infrastructure, Consumer Electronics, Aerospace and Defense, Medical Devices.

🏭

Industrial Control

The A3P400-PQG208I is well-suited for industrial control applications due to its industrial temperature range (-40°C to 100°C TJ) and flash-based instant-on capability. With 400K gates and 151 I/Os, it can implement motor control logic, PLC interfaces, and sensor processing. The non-volatile configuration ensures the FPGA starts immediately on power-up without waiting for external configuration memory, which is critical in safety-critical industrial systems. Its low power consumption and single-chip solution reduce BOM cost and board space in space-constrained industrial controllers.

推荐

🚗

Automotive Electronics

In automotive electronics, the A3P400-PQG208I's industrial temperature range and flash-based security make it ideal for body control modules, gateway controllers, and infotainment interfaces. The 400K gates provide ample logic for protocol bridging (CAN, LIN) and I/O expansion. The device's inherent security against reverse engineering protects proprietary algorithms, which is valuable in automotive IP protection. The 151 I/Os allow direct interfacing to multiple sensors and actuators. The 208-BFQFP package's 0.5 mm pitch enables compact PCB designs suitable for automotive ECUs.

推荐

A3P600-PQG208I · Microsemi TMS320F28027PTT · Texas Instruments

🌐

Communications Infrastructure

The A3P400-PQG208I serves communications infrastructure applications such as protocol converters, packet processing, and interface bridging. With 55,296 bits of RAM and 151 I/Os, it can handle FIFO buffers, protocol state machines, and parallel data interfaces. The device supports multiple I/O standards across four banks, enabling direct connection to various logic families. The 231 MHz system performance provides adequate throughput for many communication protocols. The flash-based architecture ensures reliable operation in remote or unattended installations where configuration memory failure is unacceptable.

推荐

A3P600-PQG208I · Microsemi KSZ8081MNX (Ethernet PHY companion)

📱

Consumer Electronics

In consumer electronics, the A3P400-PQG208I provides a cost-effective programmable logic solution for display controllers, user interface processing, and peripheral bridging. The 400K gates and 151 I/Os enable implementation of custom logic without ASIC development costs. The single-chip flash architecture reduces component count, lowering overall system cost. The device's low power consumption extends battery life in portable devices. The 208-BFQFP package is suitable for consumer product PCBs, and the industrial temperature range provides margin for consumer operating environments.

推荐

A3P600-PQG208I · Microsemi MSP430FR5994 · Texas Instruments

✈️

Aerospace and Defense

The A3P400-PQG208I is suitable for aerospace and defense applications requiring secure, reliable programmable logic. The flash-based architecture provides inherent tamper resistance and prevents configuration readback, protecting sensitive designs. The industrial temperature range (-40°C to 100°C TJ) covers many military and aerospace environments. With 400K gates and 151 I/Os, it can implement encryption engines, sensor interfaces, and mission-critical control logic. The instant-on capability is essential for systems that must operate immediately upon power application.

推荐

A3P600-PQG208I · Microsemi A3P1000-2PQG208 · Microchip Technology

💊

Medical Devices

The A3P400-PQG208I is used in medical devices such as patient monitors, diagnostic equipment, and imaging systems. The industrial temperature range ensures reliable operation in medical environments. The 400K gates and 151 I/Os allow implementation of signal processing, data acquisition, and display control logic. The flash-based configuration provides instant-on operation, which is critical for medical devices that must be ready immediately. The device's security features protect patient data and proprietary algorithms. The 208-BFQFP package enables compact medical device designs.

推荐

A3P600-PQG208I · Microsemi ADS131M08 · Texas Instruments

推荐产品汇总

A3P600-PQG208I Microsemi 用于： Industrial Control, Automotive Electronics, Communications Infrastructure, Consumer Electronics, Aerospace and Defense, Medical Devices MSP430F5304IPTR Texas Instruments 用于： Industrial Control, Industrial Control TMS320F28027PTT Texas Instruments 用于： Automotive Electronics KSZ8081MNX Ethernet PHY companion 用于： Communications Infrastructure MSP430FR5994 Texas Instruments 用于： Consumer Electronics A3P1000-2PQG208 Microchip Technology 用于： Aerospace and Defense ADS131M08 Texas Instruments 用于： Medical Devices

What is the A3P400-PQG208I?

The A3P400-PQG208I is a ProASIC3 family FPGA from Microchip Technology with 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os in a 208-pin BFQFP package. It operates from a 1.425 V to 1.575 V core supply and supports industrial temperature range from -40°C to 100°C (TJ). According to the Microchip product page, it offers high performance in ultra low density FPGAs with a single-chip, flash-based architecture.

What is the price of A3P400-PQG208I?

As of 2026-08-31, the A3P400-PQG208I is priced at approximately $90.73 for single-unit quantities at LCSC Electronics. Distributor pricing varies by quantity and region; for example, DigiKey and Mouser list the part with volume discounts. For the most current pricing, check distributor websites directly, as prices fluctuate with inventory and market conditions.

Where to buy A3P400-PQG208I online?

The A3P400-PQG208I can be purchased online from authorized distributors including DigiKey, Mouser, LCSC, and Xecor. DigiKey lists it as 'ships today' with stock available. LCSC shows it in stock at $90.7283. Xecor offers immediate delivery of 100% original manufacturer components. Always verify stock and pricing on the distributor's website as of your purchase date.

What is the lead time for A3P400-PQG208I?

The lead time for A3P400-PQG208I varies by distributor and current stock levels. DigiKey lists the part as 'ships today' indicating immediate availability. For larger quantities or when stock is depleted, lead times may extend to several weeks. Check with your preferred distributor for real-time lead time information, as it changes frequently based on supply and demand.

Is A3P400-PQG208I in stock?

Yes, the A3P400-PQG208I is currently in stock at multiple distributors. DigiKey shows it as 'ships today', LCSC lists it as in-stock, and Xecor offers immediate delivery. However, stock levels can change rapidly, so it is recommended to check the distributor's website for the most current availability status before placing an order.

A3P400-PQG208I vs A3P400-PQG208 - what is the difference?

The A3P400-PQG208I and A3P400-PQG208 are both ProASIC3 FPGAs in the same 208-BFQFP package with identical logic resources (400K gates, 55,296 bits RAM, 151 I/Os). The key difference is the temperature grade: the 'I' suffix indicates industrial temperature range (-40°C to 100°C TJ), while the non-I version is commercial temperature range (0°C to 85°C). Choose the 'I' variant for industrial or automotive environments.

When should I choose A3P400-PQG208I over A3P400-2PQG208?

Choose the A3P400-PQG208I over the A3P400-2PQG208 when you need industrial temperature range operation (-40°C to 100°C TJ) rather than commercial range. The 'I' suffix denotes the industrial grade, while the '2' prefix in A3P400-2PQG208 indicates a speed grade. If your application requires both industrial temperature and the faster speed grade, look for a part with both designators, such as A3P400-2PQG208I.

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

The best drop-in replacement for A3P400-PQG208I is the A3P400-2PQG208I, which shares the same 208-BFQFP package, pinout, and industrial temperature grade, but offers a faster speed grade (2 vs standard). Other drop-in options include the A3P400-1PQG208I (speed grade 1) and the A3P400-PQG208 (commercial temperature). All share the same footprint and are pin-to-pin compatible.

Can A3P400-PQG208I replace A3P400-PQG208?

Yes, the A3P400-PQG208I can replace the A3P400-PQG208 in most applications. Both devices share the same 208-BFQFP package, pinout, and logic resources (400K gates, 55,296 bits RAM, 151 I/Os). The 'I' version has a wider industrial temperature range (-40°C to 100°C TJ) compared to the commercial range (0°C to 85°C), making it a superset that is fully backward compatible.

Where to download A3P400-PQG208I datasheet PDF?

The A3P400-PQG208I datasheet can be downloaded from the Microchip Technology product page at https://www.microchip.com/en-us/product/A3P400. Additionally, datasheet aggregator sites like Alldatasheet and Datasheets.com host the PDF. The Microchip page provides the official datasheet, application notes, and design resources. Always download from the manufacturer or authorized sources to ensure you have the latest revision.

Where to find A3P400-PQG208I pinout?

The A3P400-PQG208I pinout is available in the official Microchip datasheet, which can be downloaded from the product page at https://www.microchip.com/en-us/product/A3P400. The 208-BFQFP package pinout diagram shows all 208 pins including 151 user I/Os, power, ground, and configuration pins. Distributor sites like LCSC also provide pinout diagrams and package drawings for reference.

Is A3P400-PQG208I the same as A3P400-PQ208I?

No, the A3P400-PQG208I and A3P400-PQ208I are not the same. The 'G' in PQG208 indicates a lead-free (RoHS-compliant) package finish, while PQ208 may have leaded solder. Both are 208-pin BFQFP packages with the same pinout and logic resources, but the PQG version is RoHS compliant. For new designs, the PQG (lead-free) variant is recommended to meet environmental regulations.

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

Engineers should know that the A3P400-PQG208I is a ProASIC3 FPGA with 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os. It operates from a 1.425 V to 1.575 V core supply, supports industrial temperature range (-40°C to 100°C TJ), and comes in a 208-BFQFP package with 0.5 mm pitch. The flash-based architecture provides instant-on, non-volatile configuration and inherent security.

What is the best Microchip equivalent for A3P400-PQG208I?

The best Microchip equivalent for A3P400-PQG208I is the A3P400-2PQG208I, which offers the same 208-BFQFP package, pinout, and industrial temperature grade with a faster speed grade. Other Microchip equivalents include the A3P400-1PQG208I (speed grade 1) and A3P400-PQG208 (commercial temperature). All are pin-to-pin compatible drop-in replacements within the ProASIC3 family.

工程参考数据： A3P400-PQG208I ——对比、设计指导和合规信息。

选型指南

Choose the A3P400-PQG208I when you need a ProASIC3 FPGA with 400K gates, 151 I/Os, and industrial temperature range in a 208-BFQFP package. Select the A3P400-2PQG208I if you require the fastest speed grade (2) with the same industrial temperature range. Choose the A3P400-1PQG208I for a balance of speed and cost. If your application is commercial temperature only, the A3P400-PQG208 or A3P400-2PQG208 offer cost savings. For designs needing more logic, the A3P600-PQG208I provides 600K gates in the same package, but verify pin compatibility and power requirements before substituting.

与替代料对比

参数	本产品	A3P400-2PQG208I	A3P400-1PQG208I	A3P400-PQG208	A3P400-2PQG208	A3P600-PQG208I
Package	208-BFQFP (PQG208)	208-BFQFP (PQG208)	208-BFQFP (PQG208)	208-BFQFP (PQG208)	208-BFQFP (PQG208)	208-BFQFP (PQG208)
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Number of Gates	400000	400000	400000	400000	400000	600000
Total RAM Bits	55296	55296	55296	55296	55296	110592
Number of I/O	151	151	151	151	151	151
Operating Temperature Range	-40°C to 100°C (TJ)	-40°C to 100°C (TJ)	-40°C to 100°C (TJ)	0°C to 85°C	0°C to 85°C	-40°C to 100°C (TJ)
Speed Grade	Standard	2 (fastest)	1	Standard	2 (fastest)	Standard
Core Supply Voltage	1.425 V to 1.575 V	1.425 V to 1.575 V	1.425 V to 1.575 V	1.425 V to 1.575 V	1.425 V to 1.575 V	1.425 V to 1.575 V

关键差异点

Industrial temperature range （对比 A3P400-PQG208)
Flash-based instant-on configuration （对比 SRAM-based FPGAs)
Inherent security （对比 SRAM-based FPGAs)

设计说明

The A3P400-PQG208I requires a 1.5 V core supply (1.425 V to 1.575 V) and separate I/O bank supplies (VCCIBx) for each of the four I/O banks. Use low-impedance decoupling capacitors (0.1 uF and 10 uF) close to each VCC and VCCIBx pin. The core current draw depends on logic utilization and toggle rate; estimate power using Microchip's power calculator. Ensure the power supply can handle peak inrush current during configuration.

The 208-BFQFP package has a 0.5 mm pitch, requiring careful PCB layout. Use a 4-layer or more board with dedicated power and ground planes. Route I/O traces with controlled impedance if using high-speed interfaces. Place decoupling capacitors as close as possible to the power pins. Follow Microchip's layout guidelines for the ProASIC3 family to minimize noise and ensure reliable operation.

A common pitfall is assigning incompatible I/O voltage standards to the same I/O bank. The four I/O banks have dedicated VCCIBx supplies, so only I/Os with compatible voltage standards can be assigned to the same bank. Refer to the ProASIC3 migration application note for guidance. Also, ensure the core supply is within 1.425 V to 1.575 V; exceeding this range can damage the device.

合规信息

RoHS

Compliant

REACH

Unknown

AEC-Q100

Not Applicable

无铅

Yes

无卤

Unknown

冲突矿物

Unknown

RoHS compliance inferred from 'G' suffix in part number (PQG208) indicating lead-free finish. Other compliance data not explicitly stated in provided sources.

数据核验日期： 2026-08-31 ——数据由 XAIPART 元器件工程团队核验和整理

来源： Manufacturer Product Page, Distributor, Distributor, Octopart, Distributor, Distributor, Distributor

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

A3P400-PQG208I 概述

本系列中的变体

快速对比工具——选择替代料号进行并排对比：

A3P400-2PQG208I

A3P400-1PQG208I

A3P400-PQG208

A3P400-2PQG208

A3P600-PQG208I

推荐替代料（同分类、同封装）

A3P400-PQG208I 引脚配置

典型应用

推荐产品汇总

选型指南

与替代料对比

关键差异点

设计说明

合规信息

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