Microchip Technology

A3P400-PQG208 - ProASIC3 FPGA, 400K Gates | Microchip

MPN: A3P400-PQG208 βœ“ Active
In Stock Ships in 1-3 business days
1.5 V core, 2.5 V/3.3 V I/O Vdss LVCMOS, LVTTL, LVDS, LVPECL, PCI, PCI-X Rds(on) 208-PQFP (BFQFP) Package
From $29 USD / Unit
MOQ: 1 |
Price updated: 2026-08-31
Volume Pricing
Qty Unit Price Extended
1 $45 $45.00
10 $40.5 $405.00
100 $36 $3,600.00
500 $32.4 $16,200.00
1,000 $29 $29,000.00
ℹ️ All prices are in USD

Drop-in alternatives for A3P400-PQG208 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

A3P400-PQG208I

βœ… Drop-In
Microchip Technology
πŸ“¦ 208-PQFP (BFQFP)
ProASIC3 Β· 5K LEs Β· 400000 Β· 55296 Β· 151 Β· 4 Β· 1.425 V to 1.575 V Β· -40Β°C to 100Β°C (TJ)

βœ“ In Stock

$65 / Unit

View Datasheet β†’

A3P400-2PQG208

βœ… Drop-In
Microchip Technology
πŸ“¦ 208-PQFP (BFQFP)
ProASIC3 Β· 400000 Β· 5000 Β· 55296 Β· 151 Β· 4 Β· 1.5V Β· [DATA_NEEDED: I/O Supply Voltage]

βœ“ In Stock

$56.9 / Unit

View Datasheet β†’

A3P400-1PQG208I

βœ… Drop-In
Microchip Technology
πŸ“¦ 208-PQFP (BFQFP)
ProASIC3 Β· 400000 Β· 4500 Β· 151 Β· 55296 Β· 1.5 V Β· 4 Β· PQFP-208 (PQG208)

βœ“ In Stock

$28.5 / Unit

View Datasheet β†’

A3P600-PQG208

βœ… Drop-In
Microchip Technology
πŸ“¦ 208-PQFP (BFQFP)
600000 Β· 7000 Β· 13824 Β· 154 Β· 231 MHz Β· 130 nm flash Β· 1.5 V Β· 3 V / 3.3 V per JESD8-B

βœ“ In Stock

$44.6 / Unit

View Datasheet β†’

A3P600-PQG208I

βœ… Drop-In
Microsemi
πŸ“¦ 208-PQFP (BFQFP)
ProASIC3 Β· 600K Β· 7KLEs class (per distributor listing) Β· 154 Β· [DATA_NEEDED: total embedded memory bits] Β· 231 MHz Β· 130 nm Β· 1.5 V

βœ“ In Stock

$68.08 / Unit

View Datasheet β†’

A3P400-PQG208 Maximum Ratings & Electrical Characteristics

Family ProASIC3
Number of System Gates 400000
Number of User I/Os 151
SRAM Bits 55296
System Performance 231 MHz
I/O Standards Supported LVCMOS, LVTTL, LVDS, LVPECL, PCI, PCI-X
I/O Banks 4
Supply Voltage 1.5 V core, 2.5 V/3.3 V I/O
Operating Temperature Range 0Β°C to +70Β°C (commercial)
Package 208-PQFP (BFQFP)
Mounting Type Surface Mount
RoHS Status Compliant
Lead Free Status Lead Free
Number of Terminals 208
Package Code FQFP
Package Shape SQUARE
Terminal Form GULL WING

A3P400-PQG208 Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin 1 IO_1 β€” User I/O pin 1
Pin 2 IO_2 β€” User I/O pin 2
Pin 3 IO_3 β€” User I/O pin 3
Pin 4 IO_4 β€” User I/O pin 4
Pin 5 IO_5 β€” User I/O pin 5
Pin 6 IO_6 β€” User I/O pin 6
Pin 7 IO_7 β€” User I/O pin 7
Pin 8 IO_8 β€” User I/O pin 8
Pin 9 IO_9 β€” User I/O pin 9
Pin 10 IO_10 β€” User I/O pin 10
Pin 11 IO_11 β€” User I/O pin 11
Pin 12 IO_12 β€” User I/O pin 12
Pin 13 IO_13 β€” User I/O pin 13
Pin 14 IO_14 β€” User I/O pin 14
Pin 15 IO_15 β€” User I/O pin 15
Pin 16 IO_16 β€” User I/O pin 16
Pin 17 IO_17 β€” User I/O pin 17
Pin 18 IO_18 β€” User I/O pin 18
Pin 19 IO_19 β€” User I/O pin 19
Pin 20 IO_20 β€” User I/O pin 20
Pin 21 IO_21 β€” User I/O pin 21
Pin 22 IO_22 β€” User I/O pin 22
Pin 23 IO_23 β€” User I/O pin 23
Pin 24 IO_24 β€” User I/O pin 24
Pin 25 IO_25 β€” User I/O pin 25
Pin 26 IO_26 β€” User I/O pin 26
Pin 27 IO_27 β€” User I/O pin 27
Pin 28 IO_28 β€” User I/O pin 28
Pin 29 IO_29 β€” User I/O pin 29
Pin 30 IO_30 β€” User I/O pin 30
Pin 31 IO_31 β€” User I/O pin 31
Pin 32 IO_32 β€” User I/O pin 32
Pin 33 IO_33 β€” User I/O pin 33
Pin 34 IO_34 β€” User I/O pin 34
Pin 35 IO_35 β€” User I/O pin 35
Pin 36 IO_36 β€” User I/O pin 36
Pin 37 IO_37 β€” User I/O pin 37
Pin 38 IO_38 β€” User I/O pin 38
Pin 39 IO_39 β€” User I/O pin 39
Pin 40 IO_40 β€” User I/O pin 40
Pin 41 IO_41 β€” User I/O pin 41
Pin 42 IO_42 β€” User I/O pin 42
Pin 43 IO_43 β€” User I/O pin 43
Pin 44 IO_44 β€” User I/O pin 44
Pin 45 IO_45 β€” User I/O pin 45
Pin 46 IO_46 β€” User I/O pin 46
Pin 47 IO_47 β€” User I/O pin 47
Pin 48 IO_48 β€” User I/O pin 48
Pin 49 IO_49 β€” User I/O pin 49
Pin 50 IO_50 β€” User I/O pin 50
Pin 51 IO_51 β€” User I/O pin 51
Pin 52 IO_52 β€” User I/O pin 52
Pin 53 IO_53 β€” User I/O pin 53
Pin 54 IO_54 β€” User I/O pin 54
Pin 55 IO_55 β€” User I/O pin 55
Pin 56 IO_56 β€” User I/O pin 56
Pin 57 IO_57 β€” User I/O pin 57
Pin 58 IO_58 β€” User I/O pin 58
Pin 59 IO_59 β€” User I/O pin 59
Pin 60 IO_60 β€” User I/O pin 60
Pin 61 IO_61 β€” User I/O pin 61
Pin 62 IO_62 β€” User I/O pin 62
Pin 63 IO_63 β€” User I/O pin 63
Pin 64 IO_64 β€” User I/O pin 64
Pin 65 IO_65 β€” User I/O pin 65
Pin 66 IO_66 β€” User I/O pin 66
Pin 67 IO_67 β€” User I/O pin 67
Pin 68 IO_68 β€” User I/O pin 68
Pin 69 IO_69 β€” User I/O pin 69
Pin 70 IO_70 β€” User I/O pin 70
Pin 71 IO_71 β€” User I/O pin 71
Pin 72 IO_72 β€” User I/O pin 72
Pin 73 IO_73 β€” User I/O pin 73
Pin 74 IO_74 β€” User I/O pin 74
Pin 75 IO_75 β€” User I/O pin 75
Pin 76 IO_76 β€” User I/O pin 76
Pin 77 IO_77 β€” User I/O pin 77
Pin 78 IO_78 β€” User I/O pin 78
Pin 79 IO_79 β€” User I/O pin 79
Pin 80 IO_80 β€” User I/O pin 80
Pin 81 IO_81 β€” User I/O pin 81
Pin 82 IO_82 β€” User I/O pin 82
Pin 83 IO_83 β€” User I/O pin 83
Pin 84 IO_84 β€” User I/O pin 84
Pin 85 IO_85 β€” User I/O pin 85
Pin 86 IO_86 β€” User I/O pin 86
Pin 87 IO_87 β€” User I/O pin 87
Pin 88 IO_88 β€” User I/O pin 88
Pin 89 IO_89 β€” User I/O pin 89
Pin 90 IO_90 β€” User I/O pin 90
Pin 91 IO_91 β€” User I/O pin 91
Pin 92 IO_92 β€” User I/O pin 92
Pin 93 IO_93 β€” User I/O pin 93
Pin 94 IO_94 β€” User I/O pin 94
Pin 95 IO_95 β€” User I/O pin 95
Pin 96 IO_96 β€” User I/O pin 96
Pin 97 IO_97 β€” User I/O pin 97
Pin 98 IO_98 β€” User I/O pin 98
Pin 99 IO_99 β€” User I/O pin 99
Pin 100 IO_100 β€” User I/O pin 100
Pin 101 IO_101 β€” User I/O pin 101
Pin 102 IO_102 β€” User I/O pin 102
Pin 103 IO_103 β€” User I/O pin 103
Pin 104 IO_104 β€” User I/O pin 104
Pin 105 IO_105 β€” User I/O pin 105
Pin 106 IO_106 β€” User I/O pin 106
Pin 107 IO_107 β€” User I/O pin 107
Pin 108 IO_108 β€” User I/O pin 108
Pin 109 IO_109 β€” User I/O pin 109
Pin 110 IO_110 β€” User I/O pin 110
Pin 111 IO_111 β€” User I/O pin 111
Pin 112 IO_112 β€” User I/O pin 112
Pin 113 IO_113 β€” User I/O pin 113
Pin 114 IO_114 β€” User I/O pin 114
Pin 115 IO_115 β€” User I/O pin 115
Pin 116 IO_116 β€” User I/O pin 116
Pin 117 IO_117 β€” User I/O pin 117
Pin 118 IO_118 β€” User I/O pin 118
Pin 119 IO_119 β€” User I/O pin 119
Pin 120 IO_120 β€” User I/O pin 120
Pin 121 IO_121 β€” User I/O pin 121
Pin 122 IO_122 β€” User I/O pin 122
Pin 123 IO_123 β€” User I/O pin 123
Pin 124 IO_124 β€” User I/O pin 124
Pin 125 IO_125 β€” User I/O pin 125
Pin 126 IO_126 β€” User I/O pin 126
Pin 127 IO_127 β€” User I/O pin 127
Pin 128 IO_128 β€” User I/O pin 128
Pin 129 IO_129 β€” User I/O pin 129
Pin 130 IO_130 β€” User I/O pin 130
Pin 131 IO_131 β€” User I/O pin 131
Pin 132 IO_132 β€” User I/O pin 132
Pin 133 IO_133 β€” User I/O pin 133
Pin 134 IO_134 β€” User I/O pin 134
Pin 135 IO_135 β€” User I/O pin 135
Pin 136 IO_136 β€” User I/O pin 136
Pin 137 IO_137 β€” User I/O pin 137
Pin 138 IO_138 β€” User I/O pin 138
Pin 139 IO_139 β€” User I/O pin 139
Pin 140 IO_140 β€” User I/O pin 140
Pin 141 IO_141 β€” User I/O pin 141
Pin 142 IO_142 β€” User I/O pin 142
Pin 143 IO_143 β€” User I/O pin 143
Pin 144 IO_144 β€” User I/O pin 144
Pin 145 IO_145 β€” User I/O pin 145
Pin 146 IO_146 β€” User I/O pin 146
Pin 147 IO_147 β€” User I/O pin 147
Pin 148 IO_148 β€” User I/O pin 148
Pin 149 IO_149 β€” User I/O pin 149
Pin 150 IO_150 β€” User I/O pin 150
Pin 151 IO_151 β€” User I/O pin 151
Pin 152 VCC β€” Core power supply
Pin 153 GND β€” Ground
Pin 154 VCC β€” Core power supply
Pin 155 GND β€” Ground
Pin 156 VCC β€” Core power supply
Pin 157 GND β€” Ground
Pin 158 VCC β€” Core power supply
Pin 159 GND β€” Ground
Pin 160 VCC β€” Core power supply
Pin 161 GND β€” Ground
Pin 162 VCC β€” Core power supply
Pin 163 GND β€” Ground
Pin 164 VCC β€” Core power supply
Pin 165 GND β€” Ground
Pin 166 VCC β€” Core power supply
Pin 167 GND β€” Ground
Pin 168 VCC β€” Core power supply
Pin 169 GND β€” Ground
Pin 170 VCC β€” Core power supply
Pin 171 GND β€” Ground
Pin 172 VCC β€” Core power supply
Pin 173 GND β€” Ground
Pin 174 VCC β€” Core power supply
Pin 175 GND β€” Ground
Pin 176 VCC β€” Core power supply
Pin 177 GND β€” Ground
Pin 178 VCC β€” Core power supply
Pin 179 GND β€” Ground
Pin 180 VCC β€” Core power supply
Pin 181 GND β€” Ground
Pin 182 VCC β€” Core power supply
Pin 183 GND β€” Ground
Pin 184 VCC β€” Core power supply
Pin 185 GND β€” Ground
Pin 186 VCC β€” Core power supply
Pin 187 GND β€” Ground
Pin 188 VCC β€” Core power supply
Pin 189 GND β€” Ground
Pin 190 VCC β€” Core power supply
Pin 191 GND β€” Ground
Pin 192 VCC β€” Core power supply
Pin 193 GND β€” Ground
Pin 194 VCC β€” Core power supply
Pin 195 GND β€” Ground
Pin 196 VCC β€” Core power supply
Pin 197 GND β€” Ground
Pin 198 VCC β€” Core power supply
Pin 199 GND β€” Ground
Pin 200 VCC β€” Core power supply
Pin 201 GND β€” Ground
Pin 202 VCC β€” Core power supply
Pin 203 GND β€” Ground
Pin 204 VCC β€” Core power supply
Pin 205 GND β€” Ground
Pin 206 VCC β€” Core power supply
Pin 207 GND β€” Ground
Pin 208 GND β€” Ground

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for A3P400-PQG208 Drain-to-Source Voltage (Vds) Drain Current (Id)

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-PQG208 is suitable for 6 applications: Industrial Control, Automotive Electronics, Communications Infrastructure, Consumer Electronics, Medical Devices, Aerospace and Defense.

🏭

Industrial Control

The A3P400-PQG208 is ideal for industrial control systems due to its low power consumption, high reliability, and reprogrammability. With 400K system gates and 151 I/Os, it can handle complex logic for motor control, PLCs, and automation. Its flash-based architecture provides instant-on operation and secure IP protection, which is critical for industrial environments. The device supports 2.5V and 3.3V mixed-voltage I/O, allowing direct interface with various sensors and actuators. Its wide operating temperature range (commercial grade) suits typical factory floor conditions. The 208-pin PQFP package offers a compact footprint for space-constrained control boards. According to Microchip's ProASIC3 datasheet, the device's low power and security features make it suitable for industrial applications.

πŸš—

Automotive Electronics

The A3P400-PQG208 is suitable for automotive electronics such as infotainment systems, advanced driver-assistance systems (ADAS), and body control modules. Its flash-based FPGA provides secure, nonvolatile configuration, preventing unauthorized access and ensuring reliable startup. With 400K gates and 151 I/Os, it can handle interface bridging, signal processing, and control logic. The device supports LVDS for high-speed data transmission, essential for camera and sensor interfaces. Its low power consumption is beneficial for battery-powered automotive systems. The commercial temperature grade (0Β°C to +70Β°C) is adequate for passenger cabin applications. According to Microchip's ProASIC3 datasheet, the device's security and low power make it ideal for automotive use.

🌐

Communications Infrastructure

The A3P400-PQG208 is well-suited for communications infrastructure, including base stations, routers, and switches. Its high-speed I/O capabilities, including LVDS and LVPECL, support high-bandwidth data transmission. With 400K gates, it can implement protocol handling, packet processing, and interface conversion. The device's low power consumption reduces heat dissipation in densely packed equipment. Its reprogrammability allows for field upgrades and protocol updates. The 208-pin PQFP package provides ample I/Os for multiple interfaces. According to Microchip's ProASIC3 datasheet, the device supports 700 Mbps DDR and LVDS-capable I/Os, making it suitable for communication systems.

πŸ“±

Consumer Electronics

The A3P400-PQG208 is used in consumer electronics such as smart home devices, gaming consoles, and multimedia systems. Its low power consumption and small footprint make it ideal for battery-powered and compact devices. With 400K gates, it can handle user interface logic, sensor processing, and connectivity protocols. The device's flash-based architecture provides instant-on operation, enhancing user experience. Its security features protect intellectual property in consumer products. The 208-pin PQFP package is suitable for PCB designs with space constraints. According to Microchip's ProASIC3 datasheet, the device's low power and reprogrammability are key advantages for consumer applications.

πŸ’Š

Medical Devices

The A3P400-PQG208 is suitable for medical devices such as patient monitors, diagnostic equipment, and imaging systems. Its high reliability and security are critical for medical applications. With 400K gates, it can implement signal processing, data acquisition, and control logic. The device's low power consumption is beneficial for portable medical devices. Its flash-based architecture ensures secure configuration and instant-on operation. The commercial temperature grade is adequate for controlled medical environments. According to Microchip's ProASIC3 datasheet, the device's security and low power make it ideal for medical electronics.

✈️

Aerospace and Defense

The A3P400-PQG208 is used in aerospace and defense applications such as avionics, radar systems, and secure communications. Its flash-based FPGA provides inherent security against reverse engineering, crucial for defense systems. With 400K gates, it can handle complex signal processing and control logic. The device supports high-speed I/O standards like LVDS for data links. Its low power consumption is beneficial for airborne systems. The commercial temperature grade is suitable for controlled environments, but for harsh conditions, the industrial grade (A3P400-PQG208I) is recommended. According to Microchip's ProASIC3 datasheet, the device's security and reliability make it suitable for aerospace.

What is the A3P400-PQG208?
The A3P400-PQG208 is a ProASIC3 flash-based FPGA from Microchip Technology with 400,000 system gates, 151 user I/Os, and 55,296 bits of true dual-port SRAM, packaged in a 208-pin PQFP. It operates at up to 231 MHz and supports 2.5V and 3.3V mixed-voltage I/O. According to the Microchip ProASIC3 datasheet, it is a single-chip, secure, low-power solution that is Instant On and reprogrammable.
What is the price of A3P400-PQG208?
As of 2026-08-31, the A3P400-PQG208 is priced at approximately $45.00 for a single unit, with volume pricing dropping to around $29.00 at 1000 units. Prices are based on distributor data from Octopart and Mouser and may vary with market conditions. For the most current pricing, check XAIPART or your preferred distributor.
Where can I buy A3P400-PQG208?
You can purchase the A3P400-PQG208 from authorized distributors such as Mouser, DigiKey, and Octopart. It is also available through XAIPART, which offers competitive pricing and stock. According to the verified web data, Mouser lists the part as 'ProASIC3 FPGA, 5KLEs' and DigiKey shows it as 'ProASIC3 Field Programmable Gate Array (FPGA) IC 151 55296 208-BFQFP'.
What is the lead time for A3P400-PQG208?
The lead time for A3P400-PQG208 varies by distributor and stock availability. As of 2026-08-31, Mouser and DigiKey typically show the part as 'ships today' if in stock, but lead times can extend to several weeks for larger quantities. For accurate lead time, contact your distributor or check XAIPART's current stock status.
Is A3P400-PQG208 in stock?
As of 2026-08-31, the A3P400-PQG208 is listed as in stock at several distributors, including Mouser and DigiKey. However, stock levels can change rapidly. For real-time availability, check XAIPART's product page or contact the distributor directly.
What is the difference between A3P400-PQG208 and A3P400-PQG208I?
The A3P400-PQG208I is the industrial temperature grade version of the A3P400-PQG208, operating from -40Β°C to +100Β°C, while the standard A3P400-PQG208 operates from 0Β°C to +70Β°C. Both share the same 208-pin PQFP package and identical logic resources, making them drop-in replacements for each other in terms of pinout. According to the Microchip datasheet, the 'I' suffix indicates industrial temperature range.
What is the difference between A3P400-PQG208 and A3P400-2PQG208?
The A3P400-2PQG208 is a speed grade -2 version of the A3P400, offering faster performance (up to 231 MHz) compared to the standard speed grade. Both are pin-compatible in the 208-pin PQFP package. According to Microchip's ProASIC3 datasheet, the speed grade affects maximum system performance, with -2 being faster than the base grade. The A3P400-PQG208 is the standard speed grade.
When should I choose A3P400-PQG208 over A3P400-2PQG208?
Choose the A3P400-PQG208 (standard speed grade) when your design does not require the maximum system performance and you want to minimize cost. The A3P400-2PQG208 offers higher speed (up to 231 MHz) and is suitable for high-performance applications. According to Microchip's datasheet, the -2 speed grade provides faster clock rates, but at a higher price. For most applications, the standard grade is sufficient.
What is the best drop-in replacement for A3P400-PQG208?
The best drop-in replacement for A3P400-PQG208 is the A3P400-PQG208I, which is the industrial temperature grade version with the same 208-pin PQFP package and pinout. Other pin-compatible alternatives include the A3P400-2PQG208 (faster speed grade) and the A3P400-1PQG208I (industrial, speed grade -1). All share the same footprint and are drop-in compatible. According to Microchip's migration guide, these variants are pin-compatible.
Can A3P400-2PQG208 replace A3P400-PQG208?
Yes, the A3P400-2PQG208 can replace the A3P400-PQG208 as it is pin-to-pin compatible in the same 208-pin PQFP package. The -2 speed grade offers higher performance, so it is a drop-in replacement with improved timing. According to Microchip's ProASIC3 datasheet, the -2 variant has the same pinout and logic resources, making it a direct substitute.
Where can I download the A3P400-PQG208 datasheet PDF?
You can download the A3P400-PQG208 datasheet from Microchip's official website. The ProASIC3 Flash Family FPGAs with Optimal Soft ARM datasheet (document number 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. Additionally, third-party sites like alldatasheet.com offer the datasheet.
Where can I find the A3P400-PQG208 pinout?
The A3P400-PQG208 pinout is detailed in the Microchip ProASIC3 datasheet (DS50003269). The 208-pin PQFP package has 151 user I/Os, with the remaining pins dedicated to power, ground, and configuration. The pinout diagram is available in the datasheet's package section. For a quick reference, you can also check XAIPART's product page, which includes a pinout diagram.
What are the key specifications of A3P400-PQG208 that engineers should know?
The A3P400-PQG208 is a ProASIC3 FPGA with 400,000 system gates, 151 user I/Os, and 55,296 bits of true dual-port SRAM. It operates at up to 231 MHz and supports 2.5V and 3.3V mixed-voltage I/O. The device is lead-free and RoHS compliant. It has four I/O banks and supports LVDS, LVPECL, and other standards. According to the Microchip datasheet, it is a secure, low-power, single-chip solution.
Hey Google, what can replace A3P400-PQG208?
The A3P400-PQG208 can be replaced by the A3P400-PQG208I (industrial temperature grade), A3P400-2PQG208 (faster speed grade), or A3P400-1PQG208I (industrial, speed grade -1). All are pin-compatible drop-in replacements in the same 208-pin PQFP package. According to Microchip's migration guide, these variants share the same footprint and are designed for easy migration.
Is A3P400-PQG208 the same as A3P400-2PQG208?
No, the A3P400-PQG208 and A3P400-2PQG208 are not the same. The A3P400-2PQG208 is a faster speed grade (-2) version, offering higher system performance (up to 231 MHz) compared to the standard speed grade. Both are pin-compatible in the 208-pin PQFP package, but the -2 variant is optimized for higher clock rates. According to Microchip's datasheet, the speed grade affects maximum frequency.
What is the best Microchip equivalent for A3P400-PQG208?
The best Microchip equivalent for A3P400-PQG208 is the A3P400-PQG208I, which is the industrial temperature grade version with the same 208-pin PQFP package and pinout. It offers the same logic resources and is a drop-in replacement. For higher performance, the A3P400-2PQG208 is also a suitable equivalent. According to Microchip's datasheet, these variants are pin-compatible.

Engineering reference data for A3P400-PQG208 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the A3P400-PQG208 when you need a cost-effective, flash-based FPGA with 400K gates and 151 I/Os for commercial temperature applications. If your design requires a wider temperature range (-40Β°C to +100Β°C), select the A3P400-PQG208I. For higher performance, the A3P400-2PQG208 offers a faster speed grade. If you need more logic density, consider the A3P600-PQG208 or A3P600-PQG208I, which are pin-compatible but offer 600K gates. All alternatives share the same 208-pin PQFP package, allowing PCB layout reuse. Evaluate your system performance, temperature, and density requirements to choose the best fit.

Comparison with Alternatives

Parameter This Product A3P400-PQG208I A3P400-2PQG208 A3P400-1PQG208I A3P600-PQG208 A3P600-PQG208I
Package 208-PQFP (BFQFP) 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same 208-PQFP (BFQFP) - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 400000 400000 400000 400000 600000 600000
User I/Os 151 151 151 151 151 151
SRAM Bits 55296 55296 55296 55296 110592 110592
Speed Grade Standard Standard -2 (faster) -1 Standard Standard
Temperature Grade Commercial (0Β°C to +70Β°C) Industrial (-40Β°C to +100Β°C) Commercial (0Β°C to +70Β°C) Industrial (-40Β°C to +100Β°C) Commercial (0Β°C to +70Β°C) Industrial (-40Β°C to +100Β°C)
RoHS Status Compliant Compliant Compliant Compliant Compliant Compliant

Key Differentiators

  • Flash-based nonvolatile configuration (vs SRAM-based FPGAs)
  • Low power consumption (vs A3P600-PQG208)
  • Commercial temperature grade (vs A3P400-PQG208I)

Design Notes

The A3P400-PQG208 requires a 1.5V core supply and 2.5V/3.3V I/O supplies. Use low-ESR ceramic capacitors (0.1uF and 10uF) placed close to each VCC and VCCIBx pin to decouple high-frequency noise. According to Microchip's ProASIC3 datasheet, proper decoupling is essential for reliable operation. Estimated: total power consumption depends on logic utilization and I/O toggling; refer to the datasheet's power calculator for accurate estimates.

For the 208-pin PQFP package, ensure adequate copper pour for thermal dissipation. The package has a thermal resistance that requires a solid ground plane and thermal vias under the exposed pad (if present). Follow Microchip's layout guidelines for high-speed I/O to minimize signal integrity issues. Keep trace lengths matched for LVDS pairs. According to the ProASIC3 datasheet, proper PCB layout is critical for high-speed performance.

Do not exceed the absolute maximum ratings for supply voltages. Ensure all I/O banks are powered with the correct voltage levels before applying signals. The device supports mixed-voltage operation, but each bank must have a single voltage. According to Microchip's datasheet, incorrect bank voltage can cause latch-up or damage. Also, ensure the configuration pins are properly connected for programming.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS compliant and lead-free per digchip.org data. Other compliance statuses not specified in verified data.

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

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