M1AFS1500-1FG256 - Fusion FPGA 1.5M Gates ARM Cortex-M1 | Microchip
MPN: M1AFS1500-1FG256 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $238.08 | $238.08 |
| 10 | $226.18 | $2,261.80 |
| 100 | $214.27 | $21,427.00 |
| 500 | $202.36 | $101,180.00 |
| 1,000 | $191.42 | $191,420.00 |
Drop-in alternatives for M1AFS1500-1FG256 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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M1AFS1500-1FG256I
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$205 / Unit
View Datasheet →M1AFS1500-1FG256K
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$627.13 / Unit
View Datasheet →M1AFS1500-FG256I
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$341.46 / Unit
View Datasheet →M1AFS1500-FG256K
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$341.46 / Unit
View Datasheet →M1AFS600-1FGG256
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$191.1 / Unit
View Datasheet →M1AFS250-1FG256
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$117.83 / Unit
View Datasheet →M1AFS1500-1FG256 Maximum Ratings & Electrical Characteristics
| Family | Fusion Mixed-Signal FPGA (M1 series) |
| System Gates | 1500000 |
| Logic Cells | 38400 |
| Flash Memory | 276480 bits |
| User I/O | 119 |
| Embedded Processor | ARM Cortex-M1 |
| Configuration Technology | Flash-based (non-volatile) |
| Speed Grade | -1 |
| Package | 256-LBGA (FG256) |
| Mounting Type | Surface Mount |
| Analog Blocks | Integrated configurable analog (ADC) |
| Clock Management | Integrated CCC (clock conditioning circuits) |
M1AFS1500-1FG256 256-lbga (fg256) Pin Configuration Guide
Complete pinout information for M1AFS1500-1FG256 (256-lbga (fg256) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for M1AFS1500-1FG256.
Refer to the datasheet for full pin configuration.
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
M1AFS1500-1FG256 is suitable for 6 applications: Industrial Control and Motor Drives, Aerospace and Defense Systems, Medical Instrumentation, Embedded Mixed-Signal Monitoring and IoT Gateways, Secure Embedded Control, Test and Measurement Instrumentation.
Industrial Control and Motor Drives
The M1AFS1500-1FG256 fits industrial control because it fuses deterministic flash-based logic (1.5M gates, 38,400 cells) with an ARM Cortex-M1 processor and an integrated analog-to-digital converter, so PWM generation, feedback sensing, and supervisory control can run on one chip. Its instant-on non-volatile configuration means a drive resumes control immediately at power-up without boot latency - important for safety interlocks. The 119 user I/Os interface encoders, current sensors, and communication transceivers directly. Place the ADC analog supply on a filtered rail separate from the I/O bank supplies; ripple on the analog reference directly offsets current-sense readings. With 1.5M gates, designers can implement multi-axis PWM plus field-oriented control math in fabric while the Cortex-M1 handles protocol and diagnostics, eliminating an external MCU and reducing BOM cost and latency.
Recommended
Aerospace and Defense Systems
Flash-based FPGAs are preferred in aerospace payloads because their configuration cells do not upset like SRAM under radiation, making the M1AFS1500-1FG256 a common choice for satellite payload processing, avionics glue logic, and secure telemetry. The non-volatile fabric eliminates the external configuration PROM, reducing parts count and the associated single-point-of-failure inventory. With 1.5M gates and an embedded Cortex-M1, designers partition mission logic in fabric and housekeeping tasks in the processor. The 276,480-bit flash block stores mission parameters or boot code on-die. For flight builds, select the industrial-temperature M1AFS1500-1FG256I variant and follow Microchip/Microsemi reliability documentation for screening levels. The 256-ball BGA withstands vibration better than fine-pitch QFP alternatives, though board-level underfill may be specified per program requirements.
Recommended
Medical Instrumentation
In medical diagnostics equipment such as blood analyzers and portable imaging front-ends, the M1AFS1500-1FG256 integrates sensor conditioning (via its analog block and ADC), real-time acquisition logic, and a Cortex-M1 running the user interface state machine on one die - reducing leakage paths and simplifying IEC 60601 isolation architecture by shrinking the number of circuits crossing the patient-isolation barrier. Instant-on flash configuration means the instrument is ready the moment power is applied, supporting rapid measurement cycles. The 119 I/Os drive multiplexers, stepper motor stages, and communication ports. Layout guidance: route the analog sense lines away from digital I/O banks and use a solid analog ground reference near the ADC balls to preserve measurement resolution, since the integrated converter's accuracy depends directly on reference and ground integrity at the FG256 ballout.
Recommended
Embedded Mixed-Signal Monitoring and IoT Gateways
For condition-monitoring nodes and industrial IoT gateways, the M1AFS1500-1FG256 offers single-chip acquisition: the integrated analog block digitizes vibration, temperature, or current channels while fabric logic performs FFT or threshold pre-processing and the ARM Cortex-M1 runs the network stack. The 1.5M-gate capacity leaves headroom for protocol bridging (e.g., CAN-to-Ethernet translation) that smaller Fusion parts cannot fit. Flash configuration removes boot time, so the node resumes sampling instantly after brownouts common in factory environments. Design consideration: the Cortex-M1 is implemented as a soft core in fabric, so its clock frequency is modest - offload high-rate DSP to fabric datapaths and keep the processor for low-rate control and communication. Use the 276,480-bit flash block for calibration constants to avoid an external EEPROM.
Recommended
Secure Embedded Control
Flash-based FPGAs inherently resist bitstream readback attacks because the configuration resides in non-volatile flash cells rather than externally loaded SRAM, and the Fusion family adds flash lock features on top. The M1AFS1500-1FG256 therefore suits secure access controllers, cryptographic co-processing front ends, and licensed-equipment control where firmware IP protection matters. The ARM Cortex-M1 executes management code while the fabric implements security-critical datapaths, keeping keys and cryptographic logic off an external processor bus. With 1.5M gates there is room for AES/SHA datapaths plus interface logic. Practical guidance: enable the flash lock during production programming, design the JTAG header so it can be removed or protected post-manufacture, and follow Microchip's Fusion security application notes, since protection strength depends as much on board-level access control as on device features.
Recommended
Test and Measurement Instrumentation
Bench and rack instruments benefit from the M1AFS1500-1FG256's combination of trigger/timing logic in fabric, data formatting, and Cortex-M1-based housekeeping on one chip. The flash fabric powers up with the measurement engine already loaded, cutting instrument boot time versus SRAM FPGA designs that must load from flash at every power cycle. The 119 I/Os implement capture channels, front-panel interfaces, and backplane buses; the 1.5M-gate capacity supports deep trigger state machines and timestamping at fabric speed. The integrated ADC can monitor internal supply or environmental telemetry without an external converter. Layout tip: keep high-speed capture I/O banks physically distant from the analog monitoring balls on the FG256 package, and provide local decoupling at each supply domain, since simultaneous switching of 119 outputs can inject noise that degrades the on-die ADC readings.
Recommended
Recommended Products Summary
Engineering reference data for M1AFS1500-1FG256 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M1AFS1500-1FG256I | M1AFS1500-1FG256K | M1AFS1500-FG256I | M1AFS600-1FGG256 | M1AFS250-1FG256 |
|---|---|---|---|---|---|---|
| Package | 256-LBGA (FG256) | 256-LBGA (FG256) - same | 256-LBGA (FG256) - same | 256-LBGA (FG256) - same | 256-FBGA (FGG256) | 256-LBGA (FG256) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 1,500,000 | 1,500,000 | 1,500,000 | 1,500,000 | 600,000 | 250,000 |
| Logic Cells | 38,400 | 38,400 | 38,400 | 38,400 | [DATA_NEEDED] | [DATA_NEEDED] |
| Embedded Processor | ARM Cortex-M1 | ARM Cortex-M1 | ARM Cortex-M1 | ARM Cortex-M1 | ARM Cortex-M1 | ARM Cortex-M1 |
| User I/O | 119 | 119 | 119 | 119 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -1 | -1 | -1 | Standard | -1 | -1 |
| Flash Memory | 276,480 bits | 276,480 bits | 276,480 bits | 276,480 bits | [DATA_NEEDED] | [DATA_NEEDED] |
| Unit Price (qty 1, as of 2026-09-02) | $238.08 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Highest gate density in the FG256-pin Fusion lineup (vs M1AFS600-1FGG256)
- Fastest speed grade available in this package (vs M1AFS1500-FG256I)
- Integrated mixed-signal capability (vs M1AFS250-1FG256)
Design Notes
The FG256 is a 256-ball BGA: plan escape routing with dog-bone or via-in-pad fanout matched to the ball pitch, and define stackup (at least 4 layers, preferably 6) before routing so each supply domain gets its own plane or island. Symmetric power-plane breakdown per the Fusion power rail map in the datasheet prevents I/O bank voltage violations. BGA rework needs X-ray inspection; if your CM lacks it, budget for scrap during prototype iterations.
The Fusion integrates analog blocks whose accuracy depends on clean analog supply and reference. Provide an LC-filtered analog supply rail separate from digital I/O bank supplies, with local decoupling at the ADC-related balls. Estimated: with 119 I/Os simultaneously switching at typical load, di/dt transients can inject tens of mV of rail noise without adequate bulk and 0.1 uF decoupling - sufficient to shift the on-die ADC readings. Verify rail sequencing requirements in the manufacturer datasheet before finalizing power-tree design.
Do not treat the ARM Cortex-M1 as a hard processor - it is a soft core in the fabric, so its performance depends on fabric clock and your memory interfaces; offload high-rate processing to fabric datapaths. Also, program the flash lock during production flashing and physically protect the JTAG header post-manufacture, or the non-volatile security advantage is voided. Finally, confirm Libero SoC version compatibility with Fusion (M1) devices before starting design capture, as tool support for legacy families is version-limited.
Compliance Information
Compliance status not stated in the provided web data. Verify RoHS/REACH status on the official Microchip product page or via Microchip's environmental documentation before procurement.