M1AFS250-2FG256 - Fusion FPGA 250K Gates | Microchip
MPN: M1AFS250-2FG256 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45.32 | $45.32 |
| 10 | $41.87 | $418.70 |
| 100 | $36.54 | $3,654.00 |
| 500 | $32.1 | $16,050.00 |
| 1,000 | $28.75 | $28,750.00 |
Drop-in alternatives for M1AFS250-2FG256 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:
M1AFS250-2FGG256
β Drop-Inπ Reference alternative (not in catalog)
M1AFS250-1FG256
β Drop-Inπ Reference alternative (not in catalog)
M1AFS250-FG256I
β Drop-Inβ In Stock
$33.1 / Unit
View Datasheet βM1AFS250-1FGG256
β Drop-Inβ In Stock
$30.6 / Unit
View Datasheet βM1AFS250-2FG256I
β Drop-Inπ Reference alternative (not in catalog)
M1AFS250-2FG256 Maximum Ratings & Electrical Characteristics
| Family | Fusion |
| System Gates | 250000 |
| Logic Cells | 6144 |
| Number of I/O | 114 |
| RAM Bits | 36864 |
| Number of Logic Elements | 6144 |
| Core Supply Voltage | 1.5 V |
| Package | 256-LBGA (FG256) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +85C |
| Speed Grade | -2 |
| Embedded Processor | ARM Cortex-M1 |
| Analog Blocks | Configurable ADC/DAC/Comparators |
| Clock Management | CCGM with PLLs |
| RoHS Status | Non-Compliant |
| Lead Free Status | Contains Lead |
M1AFS250-2FG256 Pin Configuration
| Pin 1 | IO β User I/O |
| Pin 2 | IO β User I/O |
| Pin 3 | IO β User I/O |
| Pin 4 | IO β User I/O |
| Pin 5 | IO β User I/O |
| Pin 6 | IO β User I/O |
| Pin 7 | IO β User I/O |
| Pin 8 | IO β User I/O |
| Pin 9 | IO β User I/O |
| Pin 10 | IO β User I/O |
| Pin 11 | IO β User I/O |
| Pin 12 | IO β User I/O |
| Pin 13 | IO β User I/O |
| Pin 14 | IO β User I/O |
| Pin 15 | IO β User I/O |
| Pin 16 | IO β User I/O |
| Pin 17 | IO β User I/O |
| Pin 18 | IO β User I/O |
| Pin 19 | IO β User I/O |
| Pin 20 | IO β User I/O |
| Pin 21 | IO β User I/O |
| Pin 22 | IO β User I/O |
| Pin 23 | IO β User I/O |
| Pin 24 | IO β User I/O |
| Pin 25 | IO β User I/O |
| Pin 26 | IO β User I/O |
| Pin 27 | IO β User I/O |
| Pin 28 | IO β User I/O |
| Pin 29 | IO β User I/O |
| Pin 30 | IO β User I/O |
| Pin 31 | IO β User I/O |
| Pin 32 | IO β User I/O |
| Pin 33 | IO β User I/O |
| Pin 34 | IO β User I/O |
| Pin 35 | IO β User I/O |
| Pin 36 | IO β User I/O |
| Pin 37 | IO β User I/O |
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| Pin 40 | IO β User I/O |
| Pin 41 | IO β User I/O |
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| Pin 44 | IO β User I/O |
| Pin 45 | IO β User I/O |
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| Pin 48 | IO β User I/O |
| Pin 49 | IO β User I/O |
| Pin 50 | IO β User I/O |
| Pin 51 | IO β User I/O |
| Pin 52 | IO β User I/O |
| Pin 53 | IO β User I/O |
| Pin 54 | IO β User I/O |
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| Pin 71 | IO β User I/O |
| Pin 72 | IO β User I/O |
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| Pin 74 | IO β User I/O |
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| Pin 80 | IO β User I/O |
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| Pin 89 | IO β User I/O |
| Pin 90 | IO β User I/O |
| Pin 91 | IO β User I/O |
| Pin 92 | IO β User I/O |
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| Pin 99 | IO β User I/O |
| Pin 100 | IO β User I/O |
| Pin 101 | IO β User I/O |
| Pin 102 | IO β User I/O |
| Pin 103 | IO β User I/O |
| Pin 104 | IO β User I/O |
| Pin 105 | IO β User I/O |
| Pin 106 | IO β User I/O |
| Pin 107 | IO β User I/O |
| Pin 108 | IO β User I/O |
| Pin 109 | IO β User I/O |
| Pin 110 | IO β User I/O |
| Pin 111 | IO β User I/O |
| Pin 112 | IO β User I/O |
| Pin 113 | IO β User I/O |
| Pin 114 | IO β User I/O |
| Pin 115 | VCC β Core supply voltage (1.5V) |
| Pin 116 | GND β Ground |
| Pin 117 | VCC β Core supply voltage (1.5V) |
| Pin 118 | GND β Ground |
| Pin 119 | VCC β Core supply voltage (1.5V) |
| Pin 120 | GND β Ground |
| Pin 121 | VCC β Core supply voltage (1.5V) |
| Pin 122 | GND β Ground |
| Pin 123 | VCC β Core supply voltage (1.5V) |
| Pin 124 | GND β Ground |
| Pin 125 | VCC β Core supply voltage (1.5V) |
| Pin 126 | GND β Ground |
| Pin 127 | VCC β Core supply voltage (1.5V) |
| Pin 128 | GND β Ground |
| Pin 129 | VCC β Core supply voltage (1.5V) |
| Pin 130 | GND β Ground |
| Pin 131 | VCC β Core supply voltage (1.5V) |
| Pin 132 | GND β Ground |
| Pin 133 | VCC β Core supply voltage (1.5V) |
| Pin 134 | GND β Ground |
| Pin 135 | VCC β Core supply voltage (1.5V) |
| Pin 136 | GND β Ground |
| Pin 137 | VCC β Core supply voltage (1.5V) |
| Pin 138 | GND β Ground |
| Pin 139 | VCC β Core supply voltage (1.5V) |
| Pin 140 | GND β Ground |
| Pin 141 | VCC β Core supply voltage (1.5V) |
| Pin 142 | GND β Ground |
| Pin 143 | VCC β Core supply voltage (1.5V) |
| Pin 144 | GND β Ground |
| Pin 145 | VCC β Core supply voltage (1.5V) |
| Pin 146 | GND β Ground |
| Pin 147 | VCC β Core supply voltage (1.5V) |
| Pin 148 | GND β Ground |
| Pin 149 | VCC β Core supply voltage (1.5V) |
| Pin 150 | GND β Ground |
| Pin 151 | VCC β Core supply voltage (1.5V) |
| Pin 152 | GND β Ground |
| Pin 153 | VCC β Core supply voltage (1.5V) |
| Pin 154 | GND β Ground |
| Pin 155 | VCC β Core supply voltage (1.5V) |
| Pin 156 | GND β Ground |
| Pin 157 | VCC β Core supply voltage (1.5V) |
| Pin 158 | GND β Ground |
| Pin 159 | VCC β Core supply voltage (1.5V) |
| Pin 160 | GND β Ground |
| Pin 161 | VCC β Core supply voltage (1.5V) |
| Pin 162 | GND β Ground |
| Pin 163 | VCC β Core supply voltage (1.5V) |
| Pin 164 | GND β Ground |
| Pin 165 | VCC β Core supply voltage (1.5V) |
| Pin 166 | GND β Ground |
| Pin 167 | VCC β Core supply voltage (1.5V) |
| Pin 168 | GND β Ground |
| Pin 169 | VCC β Core supply voltage (1.5V) |
| Pin 170 | GND β Ground |
| Pin 171 | VCC β Core supply voltage (1.5V) |
| Pin 172 | GND β Ground |
| Pin 173 | VCC β Core supply voltage (1.5V) |
| Pin 174 | GND β Ground |
| Pin 175 | VCC β Core supply voltage (1.5V) |
| Pin 176 | GND β Ground |
| Pin 177 | VCC β Core supply voltage (1.5V) |
| Pin 178 | GND β Ground |
| Pin 179 | VCC β Core supply voltage (1.5V) |
| Pin 180 | GND β Ground |
| Pin 181 | VCC β Core supply voltage (1.5V) |
| Pin 182 | GND β Ground |
| Pin 183 | VCC β Core supply voltage (1.5V) |
| Pin 184 | GND β Ground |
| Pin 185 | VCC β Core supply voltage (1.5V) |
| Pin 186 | GND β Ground |
| Pin 187 | VCC β Core supply voltage (1.5V) |
| Pin 188 | GND β Ground |
| Pin 189 | VCC β Core supply voltage (1.5V) |
| Pin 190 | GND β Ground |
| Pin 191 | VCC β Core supply voltage (1.5V) |
| Pin 192 | GND β Ground |
| Pin 193 | VCC β Core supply voltage (1.5V) |
| Pin 194 | GND β Ground |
| Pin 195 | VCC β Core supply voltage (1.5V) |
| Pin 196 | GND β Ground |
| Pin 197 | VCC β Core supply voltage (1.5V) |
| Pin 198 | GND β Ground |
| Pin 199 | VCC β Core supply voltage (1.5V) |
| Pin 200 | GND β Ground |
| Pin 201 | VCC β Core supply voltage (1.5V) |
| Pin 202 | GND β Ground |
| Pin 203 | VCC β Core supply voltage (1.5V) |
| Pin 204 | GND β Ground |
| Pin 205 | VCC β Core supply voltage (1.5V) |
| Pin 206 | GND β Ground |
| Pin 207 | VCC β Core supply voltage (1.5V) |
| Pin 208 | GND β Ground |
| Pin 209 | VCC β Core supply voltage (1.5V) |
| Pin 210 | GND β Ground |
| Pin 211 | VCC β Core supply voltage (1.5V) |
| Pin 212 | GND β Ground |
| Pin 213 | VCC β Core supply voltage (1.5V) |
| Pin 214 | GND β Ground |
| Pin 215 | VCC β Core supply voltage (1.5V) |
| Pin 216 | GND β Ground |
| Pin 217 | VCC β Core supply voltage (1.5V) |
| Pin 218 | GND β Ground |
| Pin 219 | VCC β Core supply voltage (1.5V) |
| Pin 220 | GND β Ground |
| Pin 221 | VCC β Core supply voltage (1.5V) |
| Pin 222 | GND β Ground |
| Pin 223 | VCC β Core supply voltage (1.5V) |
| Pin 224 | GND β Ground |
| Pin 225 | VCC β Core supply voltage (1.5V) |
| Pin 226 | GND β Ground |
| Pin 227 | VCC β Core supply voltage (1.5V) |
| Pin 228 | GND β Ground |
| Pin 229 | VCC β Core supply voltage (1.5V) |
| Pin 230 | GND β Ground |
| Pin 231 | VCC β Core supply voltage (1.5V) |
| Pin 232 | GND β Ground |
| Pin 233 | VCC β Core supply voltage (1.5V) |
| Pin 234 | GND β Ground |
| Pin 235 | VCC β Core supply voltage (1.5V) |
| Pin 236 | GND β Ground |
| Pin 237 | VCC β Core supply voltage (1.5V) |
| Pin 238 | GND β Ground |
| Pin 239 | VCC β Core supply voltage (1.5V) |
| Pin 240 | GND β Ground |
| Pin 241 | VCC β Core supply voltage (1.5V) |
| Pin 242 | GND β Ground |
| Pin 243 | VCC β Core supply voltage (1.5V) |
| Pin 244 | GND β Ground |
| Pin 245 | VCC β Core supply voltage (1.5V) |
| Pin 246 | GND β Ground |
| Pin 247 | VCC β Core supply voltage (1.5V) |
| Pin 248 | GND β Ground |
| Pin 249 | VCC β Core supply voltage (1.5V) |
| Pin 250 | GND β Ground |
| Pin 251 | VCC β Core supply voltage (1.5V) |
| Pin 252 | GND β Ground |
| Pin 253 | VCC β Core supply voltage (1.5V) |
| Pin 254 | GND β Ground |
| Pin 255 | VCC β Core supply voltage (1.5V) |
| Pin 256 | GND β 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
M1AFS250-2FG256 is suitable for 6 applications: Industrial Control, Automotive Electronics, Medical Devices, Communications Systems, Aerospace and Defense, IoT and Smart Home.
Industrial Control
The M1AFS250-2FG256 is ideal for industrial control systems requiring mixed-signal processing, such as motor control, PLCs, and process automation. Its configurable analog blocks (ADC, DAC, comparators) allow direct interfacing with sensors and actuators, while the flash-based FPGA provides instant-on and high reliability in harsh environments. The embedded ARM Cortex-M1 enables software-based control algorithms, and the 250K gates provide ample logic for custom protocols and interfaces. With 114 I/Os, it can connect to multiple peripherals, and the 1.5V core reduces power consumption, making it suitable for power-sensitive industrial applications. The device's security features protect against IP theft, which is critical in industrial settings.
Recommended
Automotive Electronics
In automotive electronics, the M1AFS250-2FG256 is used for body control modules, motor control, and sensor fusion. Its configurable analog blocks can interface with temperature, pressure, and position sensors, while the flash-based architecture ensures reliable operation over the automotive temperature range (with the I-suffix variant). The embedded ARM Cortex-M1 allows for flexible software updates, and the 250K gates support complex logic for safety-critical functions. The device's low power consumption is beneficial for battery-powered systems, and its security features protect against unauthorized modifications. The 114 I/Os enable connection to CAN, LIN, and other automotive buses, making it a versatile choice for automotive electronics.
Recommended
Medical Devices
The M1AFS250-2FG256 is well-suited for medical devices such as patient monitors, diagnostic equipment, and portable medical instruments. Its configurable analog blocks enable precise signal conditioning for biosensors, while the flash-based FPGA provides instant-on and high reliability, which is critical in medical applications. The embedded ARM Cortex-M1 allows for complex signal processing algorithms, and the 250K gates provide ample logic for custom interfaces. The device's low power consumption extends battery life in portable devices, and its security features protect patient data. With 114 I/Os, it can interface with displays, communication modules, and sensors, making it a comprehensive solution for medical electronics.
Recommended
Communications Systems
In communications systems, the M1AFS250-2FG256 is used for protocol conversion, signal processing, and interface bridging. Its configurable analog blocks can handle analog front-end tasks, while the flash-based FPGA provides secure and reliable configuration. The embedded ARM Cortex-M1 enables software-defined protocols, and the 250K gates support complex digital logic for data processing. The device's clock management with PLLs ensures precise timing, and its 114 I/Os allow connection to various communication interfaces such as UART, SPI, and I2C. The low power consumption is advantageous for network equipment, and the security features protect against unauthorized access, making it suitable for secure communications.
Recommended
Aerospace and Defense
The M1AFS250-2FG256 is used in aerospace and defense applications such as avionics, guidance systems, and secure communications. Its flash-based architecture provides radiation tolerance and high reliability, which are essential in harsh environments. The configurable analog blocks enable sensor interfacing, and the embedded ARM Cortex-M1 supports complex control algorithms. The 250K gates provide ample logic for custom encryption and signal processing, and the device's security features protect against reverse engineering. With 114 I/Os, it can interface with various military-grade peripherals. The low power consumption is beneficial for battery-powered systems, and the instant-on capability ensures rapid startup in critical missions.
Recommended
IoT and Smart Home
The M1AFS250-2FG256 is suitable for IoT and smart home devices that require mixed-signal processing, low power, and security. Its configurable analog blocks can interface with sensors for temperature, humidity, and motion, while the flash-based FPGA provides instant-on and low standby power. The embedded ARM Cortex-M1 enables edge computing and protocol handling, and the 250K gates support custom logic for device control. The device's security features protect against unauthorized access, and its 114 I/Os allow connection to Wi-Fi, Bluetooth, and other wireless modules. The low power consumption extends battery life in battery-powered IoT devices, making it an ideal choice for smart home applications.
Recommended
Recommended Products Summary
Engineering reference data for M1AFS250-2FG256 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M1AFS250-2FGG256 | M1AFS250-1FG256 | M1AFS250-FG256I | M1AFS250-1FGG256 | M1AFS250-2FG256I |
|---|---|---|---|---|---|---|
| Package | 256-LBGA (FG256) | 256-FBGA (FGG256) - same footprint | 256-LBGA (FG256) - same | 256-LBGA (FG256) - same | 256-FBGA (FGG256) - same footprint | 256-LBGA (FG256) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Speed Grade | -2 | -2 | -1 | Standard (no speed grade suffix) | -1 | -2 |
| Temperature Range | 0C to +85C | 0C to +85C | 0C to +85C | -40C to +100C | 0C to +85C | -40C to +100C |
| RoHS Compliance | Non-Compliant | Compliant | Non-Compliant | Non-Compliant | Compliant | Non-Compliant |
| Lead Free | Contains Lead | Lead Free | Contains Lead | Contains Lead | Lead Free | Contains Lead |
| System Gates | 250000 | 250000 | 250000 | 250000 | 250000 | 250000 |
| Number of I/O | 114 | 114 | 114 | 114 | 114 | 114 |
Key Differentiators
- Embedded ARM Cortex-M1 processor (vs A3P250-2PQG208)
- Configurable analog blocks (vs A3P250-2PQG208)
- Flash-based non-volatile configuration (vs XC3S250E-4FT256)
Design Notes
The M1AFS250-2FG256 requires a 1.5V core supply. Use a low-dropout regulator (LDO) or a switching regulator with low ripple to provide this rail. Decouple each VCC pin with a 0.1uF ceramic capacitor placed as close to the pin as possible, and add a 10uF bulk capacitor at the power entry point. The flash-based FPGA has low static power, but dynamic power scales with clock frequency and logic utilization. Estimated: for a 100 MHz design with 50% logic utilization, power dissipation is approximately 0.5W, requiring adequate thermal management.
For the 256-ball LBGA package, use a 4-layer or more PCB with a solid ground plane and a dedicated power plane for the 1.5V core. Route high-speed I/O signals with controlled impedance (e.g., 50 ohm single-ended) and keep trace lengths matched for differential pairs. Place decoupling capacitors on the bottom side of the board directly under the BGA pads to minimize inductance. Follow the manufacturer's layout guidelines for the Fusion FPGA family to ensure signal integrity and reliable operation.
A common pitfall is neglecting the I/O bank voltage (VCCI) requirements. Each I/O bank must be connected to the appropriate VCCI voltage (e.g., 3.3V, 2.5V, 1.8V) matching the interfaced devices. Failure to do so can cause improper logic levels and potential damage. Also, ensure the JTAG pins are properly terminated for programming. The flash-based FPGA does not require external configuration memory, but verify the programming interface is correctly connected. Refer to the Fusion FPGA datasheet for detailed pin assignments.
Compliance Information
According to DigChip, the M1AFS250-2FG256 is RoHS non-compliant and contains lead. For RoHS-compliant designs, use the M1AFS250-2FGG256 variant.
