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

MPN: A3P400-PQG208I ✓ Active

In Stock Ships in 1-3 business days

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

From $65 USD / Unit

MOQ: 1 |

Price updated: 2026-08-31

Volume Pricing

Qty	Unit Price	Extended
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 All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for A3P400-PQG208I — 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:

A3P400-2PQG208I

✅ Drop-In

📦 208-BFQFP (PQG208)

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

📋 Reference alternative (not in catalog)

A3P400-1PQG208I

✅ Drop-In

Microchip Technology

📦 208-BFQFP (PQG208)

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

✓ In Stock

$28.5 / Unit

View Datasheet →

A3P400-PQG208

✅ Drop-In

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

✓ In Stock

$29 / Unit

View Datasheet →

A3P400-2PQG208

✅ Drop-In

Microchip Technology

📦 208-BFQFP (PQG208)

ProASIC3 · 400000 · 5000 · 55296 · 151 · 4 · 1.5V · [DATA_NEEDED: I/O Supply Voltage]

✓ In Stock

$56.9 / Unit

View Datasheet →

A3P600-PQG208I

✅ Drop-In

Microsemi

📦 208-BFQFP (PQG208)

ProASIC3 · 600K · 7KLEs class (per distributor listing) · 154 · [DATA_NEEDED: total embedded memory bits] · 231 MHz · 130 nm · 1.5 V

✓ In Stock

$68.08 / Unit

View Datasheet →

A3P400-PQG208I Maximum Ratings & Electrical Characteristics

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
Operating Temperature Range	-40°C to 100°C (TJ)
Package	208-BFQFP (PQG208)
Mounting Type	Surface Mount
Pitch	0.5 mm
Maximum System Performance	231 MHz
Configuration	Flash-based, reprogrammable
RoHS Status	Compliant

A3P400-PQG208I Pin Configuration

Pin 1	IO — User I/O
Pin 2	IO — User I/O
Pin 3	IO — User I/O
Pin 4	IO — User I/O
Pin 5	IO — User I/O
Pin 6	IO — User I/O
Pin 7	IO — User I/O
Pin 8	IO — User I/O
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Pin 11	IO — User I/O
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Pin 15	IO — User I/O
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Pin 152	VCC — Core power supply
Pin 153	GND — Ground
Pin 154	VCCIB0 — I/O bank 0 supply
Pin 155	VCCIB1 — I/O bank 1 supply
Pin 156	VCCIB2 — I/O bank 2 supply
Pin 157	VCCIB3 — I/O bank 3 supply
Pin 158	GND — Ground
Pin 159	VCC — Core power supply
Pin 160	GND — Ground
Pin 161	VCC — Core power supply
Pin 162	GND — Ground
Pin 163	VCC — Core power supply
Pin 164	GND — Ground
Pin 165	VCC — Core power supply
Pin 166	GND — Ground
Pin 167	VCC — Core power supply
Pin 168	GND — Ground
Pin 169	VCC — Core power supply
Pin 170	GND — Ground
Pin 171	VCC — Core power supply
Pin 172	GND — Ground
Pin 173	VCC — Core power supply
Pin 174	GND — Ground
Pin 175	VCC — Core power supply
Pin 176	GND — Ground
Pin 177	VCC — Core power supply
Pin 178	GND — Ground
Pin 179	VCC — Core power supply
Pin 180	GND — Ground
Pin 181	VCC — Core power supply
Pin 182	GND — Ground
Pin 183	VCC — Core power supply
Pin 184	GND — Ground
Pin 185	VCC — Core power supply
Pin 186	GND — Ground
Pin 187	VCC — Core power supply
Pin 188	GND — Ground
Pin 189	VCC — Core power supply
Pin 190	GND — Ground
Pin 191	VCC — Core power supply
Pin 192	GND — Ground
Pin 193	VCC — Core power supply
Pin 194	GND — Ground
Pin 195	VCC — Core power supply
Pin 196	GND — Ground
Pin 197	VCC — Core power supply
Pin 198	GND — Ground
Pin 199	VCC — Core power supply
Pin 200	GND — Ground
Pin 201	VCC — Core power supply
Pin 202	GND — Ground
Pin 203	VCC — Core power supply
Pin 204	GND — Ground
Pin 205	VCC — Core power supply
Pin 206	GND — Ground
Pin 207	VCC — Core power supply
Pin 208	GND — Ground

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-PQG208I is suitable for 6 applications: 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.

Recommended

🚗

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.

Recommended

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.

Recommended

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.

Recommended

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.

Recommended

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.

Recommended

A3P600-PQG208I · Microsemi ADS131M08 · Texas Instruments

Recommended Products Summary

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

Hey Google, what can replace A3P400-PQG208I?

The A3P400-PQG208I can be replaced by several pin-compatible ProASIC3 FPGAs from Microchip, including the A3P400-2PQG208I (faster speed grade), A3P400-1PQG208I (speed grade 1), and A3P400-PQG208 (commercial temperature). All share the same 208-BFQFP package and pinout. For higher density, the A3P600-PQG208I offers 600K gates in the same package, but verify pin compatibility before substitution.

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.

Engineering reference data for A3P400-PQG208I — comparison, design guidance, and compliance information.

Selection Guide

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.

Comparison with Alternatives

Parameter	This Product	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

Key Differentiators

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

Design Notes

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.

Compliance Information

RoHS

Compliant

REACH

Unknown

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Unknown

Conflict Minerals

Unknown

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

Data verified on: 2026-08-31 — data verified and curated by XAIPART's component engineering team

Sources: Manufacturer_Product_Page, Distributor, Distributor, Octopart, Distributor, Distributor, Distributor

Related Components & Terms

Microchip Technology A3P400-PQG208I A3P400-2PQG208I A3P400-1PQG208I A3P400-PQG208 A3P400-2PQG208 A3P600-PQG208I ProASIC3 FPGA Field Programmable Gate Array BFQFP QFP RoHS industrial temperature range flash-based