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

N.º da peça: A3P400-PQ208I ✓ Ativo

Em estoque Enviado em 1 a 3 dias úteis

1.5V Vdss 208-Pin PQFP (PQ208) Package

A partir de $27.2 USD / unidade

MOQ: 1 |

Preço atualizado: 2026-08-31

Preços por volume

Qtd.	Preço unitário	Total
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 Todos os preços estão em USD

Ver datasheet (PDF) Ver alternativas

Quantidade

A3P400-PQ208I Visão geral

The Microchip Technology A3P400-PQ208I is a ProASIC3 family Field Programmable Gate Array (FPGA) with 400,000 system gates, 55,296 bits of RAM, and 151 user I/Os, housed in a 208-pin PQFP (PQ208) package. It operates from a 1.5V core supply and supports system performance up to 231 MHz, making it a high-performance, low-density, single-chip solution for a wide range of applications.

A Field Programmable Gate Array (FPGA) is an integrated circuit that can be configured by the customer after manufacturing to implement any digital logic function. FPGAs are part of the programmable logic device (PLD) hierarchy, which sits above CPLDs and below ASICs in terms of density and design flexibility. They are used to prototype ASIC designs, implement glue logic, and accelerate compute-intensive tasks in embedded systems.

Key features of the A3P400-PQ208I include nonvolatile flash-based configuration, which provides 'Instant On' operation and inherent security against reverse engineering. The device is reprogrammable, allowing design updates in the field. It offers 151 user I/Os with support for multiple I/O standards, and 55,296 bits of RAM for data buffering and storage. The 1.5V core supply minimizes power consumption, while the 208-pin PQFP package provides a compact footprint for space-constrained designs.

Technically, the A3P400 is built on a 130nm CMOS flash process, which combines the low power of CMOS with the nonvolatility of flash memory. This architecture eliminates the need for external configuration memory, reducing system cost and board space. The device includes four I/O banks with dedicated supply pins, enabling flexible voltage standard assignment. The ProASIC3 family is supported by Microchip's Libero SoC design suite, which provides synthesis, place-and-route, and programming tools.

Typical applications for the A3P400-PQ208I include industrial control systems, automotive electronics, communications infrastructure, and consumer electronics. Its low power and instant-on capability make it suitable for battery-powered devices, while its security features protect intellectual property in high-value designs.

When designing with this device, ensure that the 1.5V core supply is properly decoupled with 0.1uF and 10uF capacitors placed close to the VCC pins. The I/O banks must be assigned compatible voltage standards to avoid damage. The device supports JTAG programming, which can be used for both configuration and debugging.

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-PQ208I.

Alternativas drop-in para A3P400-PQ208I — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com A3P400-PQ208I (mesmo formato e footprint) — diferindo em Package, Core Supply Voltage, Configuration, RAM Bits, System Gates.

A3P400-1PQG208I

Microchip Technology

Package: PQFP-208 (PQG208)

Core Supply Voltage: 1.5 V

Comparar com A3P400-PQ208I →

A3P400-2PQG208

Microchip Technology

Core Supply Voltage: 1.5V

System Gates: 400000

Comparar com A3P400-PQ208I →

A3P400-PQG208I

Microchip Technology

Package: 208-BFQFP (PQG208)

Core Supply Voltage: 1.425 V to 1.575 V

Configuration: Flash-based, reprogrammable

Comparar com A3P400-PQ208I →

A3P600-2PQ208I

Microchip Technology

Package: 208-PQFP (28x28 mm)

Core Supply Voltage: 1.5 V

Configuration: Flash-based, non-volatile

Comparar com A3P400-PQ208I →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

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)

✓ Em estoque

$65 / unidade

Ver ficha técnica →

A3P400-2PQG208

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

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

✓ Em estoque

$56.9 / unidade

Ver ficha técnica →

A3P400-1PQG208I

✅ Drop-In

Microchip Technology

📦 208-Pin PQFP (PQ208)

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

✓ Em estoque

$28.5 / unidade

Ver ficha técnica →

A3P600-PQ208I

✅ Drop-In

📦 208-Pin PQFP (PQ208)

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

📋 Alternativa de referência (fora do catálogo)

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

✓ Em estoque

$28.75 / unidade

Ver ficha técnica →

A3P400-PQ208I Classificações máximas e características elétricas

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
Encapsulamento	208-Pin PQFP (PQ208)
Temperatura de operação	-40C to +100C (I suffix)
I/O Banks	4
Configuration	Nonvolatile Flash, Instant On
Reprogrammability	Yes
Security	Flash-based, anti-tamper
Tipo de montagem	Surface Mount
Status RoHS	Compliant

Configuração de pinos do A3P400-PQ208I

Pino 1	IO_1 — User I/O
Pino 2	IO_2 — User I/O
Pino 3	IO_3 — User I/O
Pino 4	IO_4 — User I/O
Pino 5	IO_5 — User I/O
Pino 6	IO_6 — User I/O
Pino 7	IO_7 — User I/O
Pino 8	IO_8 — User I/O
Pino 9	IO_9 — User I/O
Pino 10	IO_10 — User I/O
Pino 11	IO_11 — User I/O
Pino 12	IO_12 — User I/O
Pino 13	IO_13 — User I/O
Pino 14	IO_14 — User I/O
Pino 15	IO_15 — User I/O
Pino 16	IO_16 — User I/O
Pino 17	IO_17 — User I/O
Pino 18	IO_18 — User I/O
Pino 19	IO_19 — User I/O
Pino 20	IO_20 — User I/O
Pino 21	IO_21 — User I/O
Pino 22	IO_22 — User I/O
Pino 23	IO_23 — User I/O
Pino 24	IO_24 — User I/O
Pino 25	IO_25 — User I/O
Pino 26	IO_26 — User I/O
Pino 27	IO_27 — User I/O
Pino 28	IO_28 — User I/O
Pino 29	IO_29 — User I/O
Pino 30	IO_30 — User I/O
Pino 31	IO_31 — User I/O
Pino 32	IO_32 — User I/O
Pino 33	IO_33 — User I/O
Pino 34	IO_34 — User I/O
Pino 35	IO_35 — User I/O
Pino 36	IO_36 — User I/O
Pino 37	IO_37 — User I/O
Pino 38	IO_38 — User I/O
Pino 39	IO_39 — User I/O
Pino 40	IO_40 — User I/O
Pino 41	IO_41 — User I/O
Pino 42	IO_42 — User I/O
Pino 43	IO_43 — User I/O
Pino 44	IO_44 — User I/O
Pino 45	IO_45 — User I/O
Pino 46	IO_46 — User I/O
Pino 47	IO_47 — User I/O
Pino 48	IO_48 — User I/O
Pino 49	IO_49 — User I/O
Pino 50	IO_50 — User I/O
Pino 51	IO_51 — User I/O
Pino 52	IO_52 — User I/O
Pino 53	IO_53 — User I/O
Pino 54	IO_54 — User I/O
Pino 55	IO_55 — User I/O
Pino 56	IO_56 — User I/O
Pino 57	IO_57 — User I/O
Pino 58	IO_58 — User I/O
Pino 59	IO_59 — User I/O
Pino 60	IO_60 — User I/O
Pino 61	IO_61 — User I/O
Pino 62	IO_62 — User I/O
Pino 63	IO_63 — User I/O
Pino 64	IO_64 — User I/O
Pino 65	IO_65 — User I/O
Pino 66	IO_66 — User I/O
Pino 67	IO_67 — User I/O
Pino 68	IO_68 — User I/O
Pino 69	IO_69 — User I/O
Pino 70	IO_70 — User I/O
Pino 71	IO_71 — User I/O
Pino 72	IO_72 — User I/O
Pino 73	IO_73 — User I/O
Pino 74	IO_74 — User I/O
Pino 75	IO_75 — User I/O
Pino 76	IO_76 — User I/O
Pino 77	IO_77 — User I/O
Pino 78	IO_78 — User I/O
Pino 79	IO_79 — User I/O
Pino 80	IO_80 — User I/O
Pino 81	IO_81 — User I/O
Pino 82	IO_82 — User I/O
Pino 83	IO_83 — User I/O
Pino 84	IO_84 — User I/O
Pino 85	IO_85 — User I/O
Pino 86	IO_86 — User I/O
Pino 87	IO_87 — User I/O
Pino 88	IO_88 — User I/O
Pino 89	IO_89 — User I/O
Pino 90	IO_90 — User I/O
Pino 91	IO_91 — User I/O
Pino 92	IO_92 — User I/O
Pino 93	IO_93 — User I/O
Pino 94	IO_94 — User I/O
Pino 95	IO_95 — User I/O
Pino 96	IO_96 — User I/O
Pino 97	IO_97 — User I/O
Pino 98	IO_98 — User I/O
Pino 99	IO_99 — User I/O
Pino 100	IO_100 — User I/O
Pino 101	IO_101 — User I/O
Pino 102	IO_102 — User I/O
Pino 103	IO_103 — User I/O
Pino 104	IO_104 — User I/O
Pino 105	IO_105 — User I/O
Pino 106	IO_106 — User I/O
Pino 107	IO_107 — User I/O
Pino 108	IO_108 — User I/O
Pino 109	IO_109 — User I/O
Pino 110	IO_110 — User I/O
Pino 111	IO_111 — User I/O
Pino 112	IO_112 — User I/O
Pino 113	IO_113 — User I/O
Pino 114	IO_114 — User I/O
Pino 115	IO_115 — User I/O
Pino 116	IO_116 — User I/O
Pino 117	IO_117 — User I/O
Pino 118	IO_118 — User I/O
Pino 119	IO_119 — User I/O
Pino 120	IO_120 — User I/O
Pino 121	IO_121 — User I/O
Pino 122	IO_122 — User I/O
Pino 123	IO_123 — User I/O
Pino 124	IO_124 — User I/O
Pino 125	IO_125 — User I/O
Pino 126	IO_126 — User I/O
Pino 127	IO_127 — User I/O
Pino 128	IO_128 — User I/O
Pino 129	IO_129 — User I/O
Pino 130	IO_130 — User I/O
Pino 131	IO_131 — User I/O
Pino 132	IO_132 — User I/O
Pino 133	IO_133 — User I/O
Pino 134	IO_134 — User I/O
Pino 135	IO_135 — User I/O
Pino 136	IO_136 — User I/O
Pino 137	IO_137 — User I/O
Pino 138	IO_138 — User I/O
Pino 139	IO_139 — User I/O
Pino 140	IO_140 — User I/O
Pino 141	IO_141 — User I/O
Pino 142	IO_142 — User I/O
Pino 143	IO_143 — User I/O
Pino 144	IO_144 — User I/O
Pino 145	IO_145 — User I/O
Pino 146	IO_146 — User I/O
Pino 147	IO_147 — User I/O
Pino 148	IO_148 — User I/O
Pino 149	IO_149 — User I/O
Pino 150	IO_150 — User I/O
Pino 151	IO_151 — User I/O
Pino 152	VCC — Core supply 1.5V
Pino 153	GND — Ground
Pino 154	VCC — Core supply 1.5V
Pino 155	GND — Ground
Pino 156	VCC — Core supply 1.5V
Pino 157	GND — Ground
Pino 158	VCC — Core supply 1.5V
Pino 159	GND — Ground
Pino 160	VCC — Core supply 1.5V
Pino 161	GND — Ground
Pino 162	VCC — Core supply 1.5V
Pino 163	GND — Ground
Pino 164	VCC — Core supply 1.5V
Pino 165	GND — Ground
Pino 166	VCC — Core supply 1.5V
Pino 167	GND — Ground
Pino 168	VCC — Core supply 1.5V
Pino 169	GND — Ground
Pino 170	VCC — Core supply 1.5V
Pino 171	GND — Ground
Pino 172	VCC — Core supply 1.5V
Pino 173	GND — Ground
Pino 174	VCC — Core supply 1.5V
Pino 175	GND — Ground
Pino 176	VCC — Core supply 1.5V
Pino 177	GND — Ground
Pino 178	VCC — Core supply 1.5V
Pino 179	GND — Ground
Pino 180	VCC — Core supply 1.5V
Pino 181	GND — Ground
Pino 182	VCC — Core supply 1.5V
Pino 183	GND — Ground
Pino 184	VCC — Core supply 1.5V
Pino 185	GND — Ground
Pino 186	VCC — Core supply 1.5V
Pino 187	GND — Ground
Pino 188	VCC — Core supply 1.5V
Pino 189	GND — Ground
Pino 190	VCC — Core supply 1.5V
Pino 191	GND — Ground
Pino 192	VCC — Core supply 1.5V
Pino 193	GND — Ground
Pino 194	VCC — Core supply 1.5V
Pino 195	GND — Ground
Pino 196	VCC — Core supply 1.5V
Pino 197	GND — Ground
Pino 198	VCC — Core supply 1.5V
Pino 199	GND — Ground
Pino 200	VCC — Core supply 1.5V
Pino 201	GND — Ground
Pino 202	VCC — Core supply 1.5V
Pino 203	GND — Ground
Pino 204	VCC — Core supply 1.5V
Pino 205	GND — Ground
Pino 206	VCC — Core supply 1.5V
Pino 207	GND — Ground
Pino 208	VCC — Core supply 1.5V

Aplicações típicas

A3P400-PQ208I é adequado para 6 aplicaçãos: 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.

Recomendado

🚗

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.

Recomendado

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.

Recomendado

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.

Recomendado

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.

Recomendado

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.

Recomendado

A3P600-2PQ208I · Microchip Technology TMS320F28335PTPQ · Texas Instruments

Resumo dos produtos recomendados

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

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.

Dados de referência de engenharia para A3P400-PQ208I — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

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.

Comparação com alternativas

Parâmetro	Este produto	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

Principais diferenciais

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

Notas de projeto

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.

Informações de conformidade

RoHS

Compliant

REACH

Unknown

AEC-Q100

Not Applicable

Sem chumbo

Yes

Sem halogênios

Unknown

Minerais de conflito

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.

Dados verificados em: 2026-08-31 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

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

Buscas relacionadas

A3P400-PQ208I A3P400-PQ208I datasheet Microchip A3P400-PQ208I ProASIC3 FPGA 400K gates 208-pin PQFP FPGA A3P400-PQ208I industrial control A3P400-PQ208I vs A3P600-PQ208I A3P400-PQ208I drop-in replacement A3P400-PQ208I price where to buy A3P400-PQ208I

Componentes & termos relacionados

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