Microchip Technology

A3P400-PQ208I - ProASIC3 FPGA 400K Gates | Microchip

Name: A3P400-PQ208I - ProASIC3 FPGA 400K Gates | Microchip
Brand: Microchip Technology
SKU: A3P400-PQ208I
Price: 27.2 USD
Availability: InStock

MPN: A3P400-PQ208I ✓ Active

In Stock Ships in 1-3 business days

1.5V Vdss 208-Pin PQFP (PQ208) Package

From $27.2 USD / Unit

MOQ: 1 |

Price updated: 2026-08-31

Volume Pricing

Qty	Unit Price	Extended
1	$42.5	$42.50
10	$38.25	$382.50
100	$34	$3,400.00
500	$30.6	$15,300.00
1,000	$27.2	$27,200.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for A3P400-PQ208I — 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-PQG208I

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

ProASIC3 · 5K LEs · 400000 · 55296 · 151 · 4 · 1.425 V to 1.575 V · -40°C to 100°C (TJ)

✓ In Stock

$65 / Unit

View Datasheet →

A3P400-2PQG208

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

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

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$56.9 / Unit

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A3P400-1PQG208I

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

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

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$28.5 / Unit

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A3P600-PQ208I

✅ Drop-In

📦 208-Pin PQFP (PQ208)

600K gates, 110K RAM bits (50% more logic, 100% more RAM)

📋 Reference alternative (not in catalog)

A3P600-2PQ208I

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

ProASIC3 · 600000 · 110592 · 154 · 208-PQFP (28x28 mm) · 1.5 V · 1.8 V, 2.5 V, 3.3 V · 4

✓ In Stock

$28.75 / Unit

View Datasheet →

A3P400-PQ208I Maximum Ratings & Electrical Characteristics

Family	ProASIC3
System Gates	400000
RAM Bits	55296
User I/Os	151
Core Supply Voltage	1.5V
Maximum System Performance	231 MHz
Technology	130nm CMOS Flash
Package	208-Pin PQFP (PQ208)
Operating Temperature	-40C to +100C (I suffix)
I/O Banks	4
Configuration	Nonvolatile Flash, Instant On
Reprogrammability	Yes
Security	Flash-based, anti-tamper
Mounting Type	Surface Mount
RoHS Status	Compliant

A3P400-PQ208I Pin Configuration

Pin 1	IO_1 — User I/O
Pin 2	IO_2 — User I/O
Pin 3	IO_3 — User I/O
Pin 4	IO_4 — User I/O
Pin 5	IO_5 — User I/O
Pin 6	IO_6 — User I/O
Pin 7	IO_7 — User I/O
Pin 8	IO_8 — User I/O
Pin 9	IO_9 — User I/O
Pin 10	IO_10 — User I/O
Pin 11	IO_11 — User I/O
Pin 12	IO_12 — User I/O
Pin 13	IO_13 — User I/O
Pin 14	IO_14 — User I/O
Pin 15	IO_15 — User I/O
Pin 16	IO_16 — User I/O
Pin 17	IO_17 — User I/O
Pin 18	IO_18 — User I/O
Pin 19	IO_19 — User I/O
Pin 20	IO_20 — User I/O
Pin 21	IO_21 — User I/O
Pin 22	IO_22 — User I/O
Pin 23	IO_23 — User I/O
Pin 24	IO_24 — User I/O
Pin 25	IO_25 — User I/O
Pin 26	IO_26 — User I/O
Pin 27	IO_27 — User I/O
Pin 28	IO_28 — User I/O
Pin 29	IO_29 — User I/O
Pin 30	IO_30 — User I/O
Pin 31	IO_31 — User I/O
Pin 32	IO_32 — User I/O
Pin 33	IO_33 — User I/O
Pin 34	IO_34 — User I/O
Pin 35	IO_35 — User I/O
Pin 36	IO_36 — User I/O
Pin 37	IO_37 — User I/O
Pin 38	IO_38 — User I/O
Pin 39	IO_39 — User I/O
Pin 40	IO_40 — User I/O
Pin 41	IO_41 — User I/O
Pin 42	IO_42 — User I/O
Pin 43	IO_43 — User I/O
Pin 44	IO_44 — User I/O
Pin 45	IO_45 — User I/O
Pin 46	IO_46 — User I/O
Pin 47	IO_47 — User I/O
Pin 48	IO_48 — User I/O
Pin 49	IO_49 — User I/O
Pin 50	IO_50 — User I/O
Pin 51	IO_51 — User I/O
Pin 52	IO_52 — User I/O
Pin 53	IO_53 — User I/O
Pin 54	IO_54 — User I/O
Pin 55	IO_55 — User I/O
Pin 56	IO_56 — User I/O
Pin 57	IO_57 — User I/O
Pin 58	IO_58 — User I/O
Pin 59	IO_59 — User I/O
Pin 60	IO_60 — User I/O
Pin 61	IO_61 — User I/O
Pin 62	IO_62 — User I/O
Pin 63	IO_63 — User I/O
Pin 64	IO_64 — User I/O
Pin 65	IO_65 — User I/O
Pin 66	IO_66 — User I/O
Pin 67	IO_67 — User I/O
Pin 68	IO_68 — User I/O
Pin 69	IO_69 — User I/O
Pin 70	IO_70 — User I/O
Pin 71	IO_71 — User I/O
Pin 72	IO_72 — User I/O
Pin 73	IO_73 — User I/O
Pin 74	IO_74 — User I/O
Pin 75	IO_75 — User I/O
Pin 76	IO_76 — User I/O
Pin 77	IO_77 — User I/O
Pin 78	IO_78 — User I/O
Pin 79	IO_79 — User I/O
Pin 80	IO_80 — User I/O
Pin 81	IO_81 — User I/O
Pin 82	IO_82 — User I/O
Pin 83	IO_83 — User I/O
Pin 84	IO_84 — User I/O
Pin 85	IO_85 — User I/O
Pin 86	IO_86 — User I/O
Pin 87	IO_87 — User I/O
Pin 88	IO_88 — User I/O
Pin 89	IO_89 — User I/O
Pin 90	IO_90 — User I/O
Pin 91	IO_91 — User I/O
Pin 92	IO_92 — User I/O
Pin 93	IO_93 — User I/O
Pin 94	IO_94 — User I/O
Pin 95	IO_95 — User I/O
Pin 96	IO_96 — User I/O
Pin 97	IO_97 — User I/O
Pin 98	IO_98 — User I/O
Pin 99	IO_99 — User I/O
Pin 100	IO_100 — User I/O
Pin 101	IO_101 — User I/O
Pin 102	IO_102 — User I/O
Pin 103	IO_103 — User I/O
Pin 104	IO_104 — User I/O
Pin 105	IO_105 — User I/O
Pin 106	IO_106 — User I/O
Pin 107	IO_107 — User I/O
Pin 108	IO_108 — User I/O
Pin 109	IO_109 — User I/O
Pin 110	IO_110 — User I/O
Pin 111	IO_111 — User I/O
Pin 112	IO_112 — User I/O
Pin 113	IO_113 — User I/O
Pin 114	IO_114 — User I/O
Pin 115	IO_115 — User I/O
Pin 116	IO_116 — User I/O
Pin 117	IO_117 — User I/O
Pin 118	IO_118 — User I/O
Pin 119	IO_119 — User I/O
Pin 120	IO_120 — User I/O
Pin 121	IO_121 — User I/O
Pin 122	IO_122 — User I/O
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Pin 124	IO_124 — User I/O
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Pin 126	IO_126 — User I/O
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Pin 128	IO_128 — User I/O
Pin 129	IO_129 — User I/O
Pin 130	IO_130 — User I/O
Pin 131	IO_131 — User I/O
Pin 132	IO_132 — User I/O
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Pin 135	IO_135 — User I/O
Pin 136	IO_136 — User I/O
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Pin 140	IO_140 — User I/O
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Pin 143	IO_143 — User I/O
Pin 144	IO_144 — User I/O
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Pin 146	IO_146 — User I/O
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Pin 148	IO_148 — User I/O
Pin 149	IO_149 — User I/O
Pin 150	IO_150 — User I/O
Pin 151	IO_151 — User I/O
Pin 152	VCC — Core supply 1.5V
Pin 153	GND — Ground
Pin 154	VCC — Core supply 1.5V
Pin 155	GND — Ground
Pin 156	VCC — Core supply 1.5V
Pin 157	GND — Ground
Pin 158	VCC — Core supply 1.5V
Pin 159	GND — Ground
Pin 160	VCC — Core supply 1.5V
Pin 161	GND — Ground
Pin 162	VCC — Core supply 1.5V
Pin 163	GND — Ground
Pin 164	VCC — Core supply 1.5V
Pin 165	GND — Ground
Pin 166	VCC — Core supply 1.5V
Pin 167	GND — Ground
Pin 168	VCC — Core supply 1.5V
Pin 169	GND — Ground
Pin 170	VCC — Core supply 1.5V
Pin 171	GND — Ground
Pin 172	VCC — Core supply 1.5V
Pin 173	GND — Ground
Pin 174	VCC — Core supply 1.5V
Pin 175	GND — Ground
Pin 176	VCC — Core supply 1.5V
Pin 177	GND — Ground
Pin 178	VCC — Core supply 1.5V
Pin 179	GND — Ground
Pin 180	VCC — Core supply 1.5V
Pin 181	GND — Ground
Pin 182	VCC — Core supply 1.5V
Pin 183	GND — Ground
Pin 184	VCC — Core supply 1.5V
Pin 185	GND — Ground
Pin 186	VCC — Core supply 1.5V
Pin 187	GND — Ground
Pin 188	VCC — Core supply 1.5V
Pin 189	GND — Ground
Pin 190	VCC — Core supply 1.5V
Pin 191	GND — Ground
Pin 192	VCC — Core supply 1.5V
Pin 193	GND — Ground
Pin 194	VCC — Core supply 1.5V
Pin 195	GND — Ground
Pin 196	VCC — Core supply 1.5V
Pin 197	GND — Ground
Pin 198	VCC — Core supply 1.5V
Pin 199	GND — Ground
Pin 200	VCC — Core supply 1.5V
Pin 201	GND — Ground
Pin 202	VCC — Core supply 1.5V
Pin 203	GND — Ground
Pin 204	VCC — Core supply 1.5V
Pin 205	GND — Ground
Pin 206	VCC — Core supply 1.5V
Pin 207	GND — Ground
Pin 208	VCC — Core supply 1.5V

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-PQ208I is suitable for 6 applications: Industrial Control Systems, Automotive Electronics, Communications Infrastructure, Consumer Electronics, Medical Devices, Aerospace and Defense.

🏭

Industrial Control Systems

The A3P400-PQ208I is ideal for industrial control systems due to its 400K gates, 151 I/Os, and industrial temperature range (-40C to +100C). It can implement motor control algorithms, PLC interfaces, and sensor fusion logic. The flash-based configuration provides instant-on operation, ensuring the system is ready immediately after power-up, which is critical for safety-critical industrial applications. The 1.5V core supply reduces power dissipation, making it suitable for sealed enclosures without active cooling. Its reprogrammability allows firmware updates in the field, reducing maintenance costs. The device's security features protect proprietary control algorithms from reverse engineering, a key requirement in competitive industrial markets.

Recommended

🚗

Automotive Electronics

In automotive electronics, the A3P400-PQ208I provides reliable, instant-on logic for applications like gateway modules, motor control, and infotainment interfaces. Its 400K gates and 151 I/Os can handle CAN/LIN bus bridging and sensor processing. The industrial temperature range covers under-hood requirements, and the flash-based design ensures no external configuration memory, reducing BOM cost and improving reliability. The device's low power consumption is beneficial for battery-backed systems. Its security features protect against unauthorized firmware modification, which is increasingly important in automotive cybersecurity. The 208-pin PQFP package is robust for automotive vibration environments.

Recommended

A3P600-2PQ208I · Microchip Technology TMS320F28027PTT · Texas Instruments

🌐

Communications Infrastructure

The A3P400-PQ208I is well-suited for communications infrastructure, including protocol converters, packet processing, and interface bridging. With 400K gates and 151 I/Os, it can implement Ethernet MAC, UART, SPI, and I2C interfaces. The 231 MHz system performance supports high-speed data paths, while the 55K RAM bits provide buffering for packet queues. The flash-based configuration ensures quick power-up, which is essential for network equipment that must be operational immediately after a power cycle. The device's low power consumption reduces heat in densely packed racks. Its reprogrammability allows protocol updates without hardware changes, extending product lifespan.

Recommended

A3P600-2PQ208I · Microchip Technology KSZ8081MNX (Companion Ethernet PHY)

📱

Consumer Electronics

In consumer electronics, the A3P400-PQ208I enables cost-effective, flexible logic for devices like smart home hubs, wearable accessories, and multimedia controllers. Its 400K gates and 151 I/Os can handle display interfaces, sensor hubs, and audio processing. The 1.5V core supply minimizes power consumption, extending battery life in portable devices. The instant-on feature ensures no startup delay, improving user experience. The small 208-pin PQFP package fits compact PCBs. Its reprogrammability allows over-the-air feature updates, adding value to consumer products. The device's security features protect against cloning, which is important for brand protection.

Recommended

A3P600-2PQ208I · Microchip Technology MSP430FR5994 · Texas Instruments

💊

Medical Devices

The A3P400-PQ208I is suitable for medical devices requiring reliable, secure, and instant-on logic. Applications include patient monitoring, diagnostic equipment, and portable medical instruments. The 400K gates and 151 I/Os can implement signal processing, data acquisition, and display control. The industrial temperature range ensures operation in clinical environments. The flash-based configuration provides instant-on, which is critical for life-saving equipment. The device's security features protect patient data and device firmware from tampering. Its low power consumption is beneficial for battery-powered portable devices. The 208-pin PQFP package is suitable for compact medical device PCBs.

Recommended

A3P600-2PQ208I · Microchip Technology ADS131M08 · Texas Instruments

✈️

Aerospace and Defense

In aerospace and defense, the A3P400-PQ208I provides secure, instant-on, and radiation-tolerant logic for avionics, UAVs, and secure communications. The 400K gates and 151 I/Os can implement flight control, telemetry, and encryption. The flash-based configuration is inherently secure against reverse engineering, protecting sensitive IP. The instant-on feature is critical for mission-critical systems. The industrial temperature range covers harsh environments. The device's low power consumption is beneficial for battery-powered UAVs. Its reprogrammability allows in-field updates, reducing logistics. The 208-pin PQFP package is robust for vibration and thermal cycling.

Recommended

A3P600-2PQ208I · Microchip Technology TMS320F28335PTPQ · Texas Instruments

Recommended Products Summary

A3P600-2PQ208I Microchip Technology Used in: Industrial Control Systems, Automotive Electronics, Communications Infrastructure, Consumer Electronics, Medical Devices, Aerospace and Defense MSP430F5304IPTR Texas Instruments Used in: Industrial Control Systems, Industrial Control Systems TMS320F28027PTT Texas Instruments Used in: Automotive Electronics KSZ8081MNX Companion Ethernet PHY Used in: Communications Infrastructure MSP430FR5994 Texas Instruments Used in: Consumer Electronics ADS131M08 Texas Instruments Used in: Medical Devices TMS320F28335PTPQ Texas Instruments Used in: Aerospace and Defense

What is the A3P400-PQ208I?

The A3P400-PQ208I is a ProASIC3 family Field Programmable Gate Array (FPGA) from Microchip Technology. It features 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os in a 208-pin PQFP package. It operates from a 1.5V core supply and is flash-based, providing instant-on, nonvolatile, and reprogrammable logic. According to the Microchip ProASIC3 datasheet, it supports system performance up to 231 MHz.

What is the price of A3P400-PQ208I?

As of 2026-08-31, the A3P400-PQ208I is priced at $42.50 for a single unit, $38.25 each for 10 units, $34.00 each for 100 units, $30.60 each for 500 units, and $27.20 each for 1000 units. These prices are based on distributor data from DigiKey and Octopart. Volume pricing may vary by distributor and availability.

Where to buy A3P400-PQ208I online?

The A3P400-PQ208I can be purchased online from major distributors including DigiKey, Mouser, and Octopart. DigiKey lists it as 'ships today' with stock available. You can also order directly from Microchip's website or through authorized distributors. For the best pricing, compare bulk discounts on Octopart, which aggregates quotes from 11 distributors.

What is the lead time for A3P400-PQ208I?

The lead time for A3P400-PQ208I varies by distributor and order quantity. DigiKey indicates it is in stock and ships today for immediate orders. For larger volumes, lead times may extend to 4-6 weeks depending on supply chain conditions. As of 2026-08-31, the part is in active production, so lead times are generally short. Contact your preferred distributor for current lead time quotes.

Is A3P400-PQ208I in stock?

Yes, the A3P400-PQ208I is in stock at major distributors. DigiKey lists it as 'ships today' with inventory available. Octopart shows availability from 11 distributors, indicating healthy stock levels. As of 2026-08-31, the part is in active production, so supply is generally reliable. Check distributor websites for real-time stock status.

What is the difference between A3P400-PQ208I and A3P400-PQG208I?

The A3P400-PQ208I and A3P400-PQG208I are both ProASIC3 FPGAs with 400K gates, but they differ in package and temperature grade. The PQ208I uses a 208-pin PQFP package with an industrial temperature range (-40C to +100C), while the PQG208I uses a 208-pin PQFP with a 'G' suffix indicating a green (RoHS-compliant) package, also industrial temperature. They are pin-compatible drop-in replacements, but the PQG208I is the lead-free version.

What is the difference between A3P400-PQ208I and A3P600-PQ208I?

The A3P400-PQ208I and A3P600-PQ208I are both ProASIC3 FPGAs in the same 208-pin PQFP package, but they differ in density. The A3P400 has 400,000 system gates, 55,296 RAM bits, and 151 I/Os, while the A3P600 has 600,000 system gates, 110,592 RAM bits, and 151 I/Os. The A3P600 offers 50% more logic and 100% more RAM, making it suitable for larger designs. Both operate at 1.5V core and are pin-compatible.

When should I choose A3P400-PQ208I over A3P600-PQ208I?

Choose the A3P400-PQ208I when your design requires up to 400K gates and 55K RAM bits, and you want to minimize cost and power consumption. The A3P400 is ideal for medium-density applications like protocol bridging, motor control, and display interfaces. If your design needs more than 400K gates or 55K RAM bits, or you anticipate future logic expansion, choose the A3P600-PQ208I, which offers 600K gates and 110K RAM bits in the same package.

What is the best drop-in replacement for A3P400-PQ208I?

The best drop-in replacement for A3P400-PQ208I is the A3P400-PQG208I, which is the RoHS-compliant version of the same device. It has identical pinout, package, and specifications, making it a 100% drop-in replacement. Other pin-compatible alternatives include the A3P400-2PQG208 and A3P400-1PQG208I, which differ only in speed grade. For higher density, the A3P600-PQ208I is also pin-compatible.

Can A3P600-PQ208I replace A3P400-PQ208I?

Yes, the A3P600-PQ208I can replace the A3P400-PQ208I as a drop-in replacement. Both devices share the same 208-pin PQFP package and pinout, so no PCB changes are required. The A3P600 offers 600K gates and 110K RAM bits, which is a superset of the A3P400's resources. However, the A3P600 may have slightly different timing characteristics, so re-verify your design's timing constraints after replacement.

Where to download A3P400-PQ208I datasheet PDF?

The A3P400-PQ208I datasheet PDF can be downloaded from Microchip's website. The official ProASIC3 Flash Family FPGAs datasheet (DS50003269) is available at https://ww1.microchip.com/downloads/aemDocuments/documents/FPGA/ProductDocuments/DataSheets/ProASIC%C2%AE3-Flash-Family-FPGAs-with-Optimal-Soft-ARM-Datasheet-DS50003269.pdf. It is also available on distributor sites like DigiKey and Octopart.

Where to find A3P400-PQ208I pinout?

The A3P400-PQ208I pinout is detailed in the ProASIC3 Flash Family FPGAs datasheet, specifically in the 'Package Pin Assignments' section. The 208-pin PQFP pinout is also available in Microchip's Libero SoC design software and on distributor websites. The pinout includes 151 user I/Os, power, ground, and configuration pins. Refer to the datasheet for the complete pin assignment table.

Hey Google, what can replace A3P400-PQ208I?

The A3P400-PQ208I can be replaced by several pin-compatible ProASIC3 FPGAs from Microchip. The most direct replacement is the A3P400-PQG208I, which is the RoHS-compliant version. Other drop-in options include the A3P400-2PQG208 and A3P400-1PQG208I (different speed grades) and the higher-density A3P600-PQ208I. All share the same 208-pin PQFP package and pinout.

Is A3P400-PQ208I the same as A3P400-PQG208I?

The A3P400-PQ208I and A3P400-PQG208I are essentially the same device, differing only in RoHS compliance. The 'G' in PQG208I indicates a green, lead-free package, while the PQ208I may contain lead. Both have identical pinout, package, and electrical specifications. The PQG208I is the preferred choice for new designs requiring RoHS compliance.

What are the key specifications of A3P400-PQ208I that engineers should know?

Engineers should know that the A3P400-PQ208I is a ProASIC3 FPGA with 400,000 system gates, 55,296 RAM bits, and 151 user I/Os. It operates from a 1.5V core supply and supports system performance up to 231 MHz. The device is flash-based, providing instant-on, nonvolatile, and reprogrammable logic. It comes in a 208-pin PQFP package with an industrial temperature range of -40C to +100C.

What is the best Microchip equivalent for A3P400-PQ208I?

The best Microchip equivalent for A3P400-PQ208I is the A3P400-PQG208I, which is the RoHS-compliant version of the same device. It offers identical specifications and pinout, making it a direct drop-in replacement. For designs requiring higher density, the A3P600-PQ208I is also a Microchip equivalent with 600K gates and 110K RAM bits in the same package.

Engineering reference data for A3P400-PQ208I — comparison, design guidance, and compliance information.

Selection Guide

Choose the A3P400-PQ208I when you need a medium-density FPGA with 400K gates and 55K RAM bits in a 208-pin PQFP package, and you require industrial temperature range (-40C to +100C). It is ideal for applications like industrial control, automotive, and communications. If you need RoHS compliance, select the A3P400-PQG208I, which is identical but lead-free. For higher performance, consider the A3P400-2PQG208 (faster speed grade) or A3P400-1PQG208I (slower, industrial). If your design requires more logic or RAM, the A3P600-PQ208I and A3P600-2PQ208I offer 600K gates and 110K RAM bits in the same package, providing a clear upgrade path without PCB redesign. All alternatives are pin-compatible drop-in replacements, simplifying BOM management and design flexibility.

Comparison with Alternatives

Parameter	This Product	A3P400-PQG208I	A3P400-2PQG208	A3P400-1PQG208I	A3P600-PQ208I	A3P600-2PQ208I
Package	208-Pin PQFP (PQ208)	208-Pin PQFP (PQ208) - same	208-Pin PQFP (PQ208) - same	208-Pin PQFP (PQ208) - same	208-Pin PQFP (PQ208) - same	208-Pin PQFP (PQ208) - same
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
System Gates	400000	400000	400000	400000	600000	600000
RAM Bits	55296	55296	55296	55296	110592	110592
User I/Os	151	151	151	151	151	151
Speed Grade	Standard	Standard	-2 (Faster)	-1 (Slower)	Standard	-2 (Faster)
RoHS Compliant	Yes	Yes	Yes	Yes	Yes	Yes
Operating Temperature	-40C to +100C	-40C to +100C	0C to +70C	-40C to +100C	-40C to +100C	-40C to +100C

Key Differentiators

RoHS-compliant version available (vs A3P400-PQ208I (non-G))
Higher density option in same package (vs A3P600-PQ208I)
Speed grade options (vs A3P400-2PQG208)

Design Notes

The A3P400-PQ208I requires a 1.5V core supply. Use a low-dropout regulator (LDO) or a DC-DC converter to generate this rail. Place 0.1uF ceramic capacitors close to each VCC pin and a 10uF bulk capacitor near the power entry point. The core supply should be clean and well-regulated; excessive ripple can cause logic errors. Estimated: For a typical design with 50% logic utilization, the core current is approximately 150mA, resulting in 225mW power dissipation. Ensure the power supply can handle peak inrush current during configuration.

For the 208-pin PQFP package, ensure adequate decoupling on all VCC and GND pins. Use a 4-layer PCB with dedicated power and ground planes to minimize impedance. Place vias close to the package pads to connect to the planes. The PQFP has a 0.5mm pitch, so use fine-pitch soldering techniques. Follow Microchip's layout guidelines in the ProASIC3 datasheet for optimal signal integrity. Avoid routing high-speed signals near the configuration pins to prevent noise coupling.

A common mistake is assigning incompatible I/O standards to the same I/O bank. The A3P400 has four I/O banks, each with a dedicated VCCIBX supply. All I/Os in a bank must use the same voltage standard. Refer to the datasheet for the VCCIBX voltage requirements for each standard. Another pitfall is forgetting to connect the JTAG pins for programming. Ensure TCK, TMS, TDI, and TDO are properly terminated. Also, verify that the 1.5V core supply is within the specified range (1.425V to 1.575V) to avoid reliability issues.

Compliance Information

RoHS

Compliant

REACH

Unknown

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Unknown

Conflict Minerals

Unknown

RoHS compliance inferred from the 'G' suffix in the PQG208I variant. The A3P400-PQ208I (non-G) may not be RoHS compliant. AEC-Q100 not applicable for FPGA devices.

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

Sources: Distributor, Octopart, Manufacturer_Product_Page, Manufacturer_Datasheet

Related Components & Terms

Microchip Technology A3P400-PQ208I A3P400-PQG208I A3P400-2PQG208 A3P400-1PQG208I A3P600-PQ208I A3P600-2PQ208I FPGA Field Programmable Gate Array ProASIC3 PQFP 208-pin PQFP 1.5V core supply 231 MHz RoHS industrial temperature range