M1AFS1500-FG256K - 1.5M-Gate Fusion Mixed-Signal FPGA | Microchip
MPN: M1AFS1500-FG256K ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $426.82 | $426.82 |
| 10 | $405.48 | $4,054.80 |
| 100 | $384.14 | $38,414.00 |
| 500 | $362.8 | $181,400.00 |
| 1,000 | $341.46 | $341,460.00 |
Drop-in alternatives for M1AFS1500-FG256K — 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:
M1AFS1500-1FGG256
✅ Drop-In✓ In Stock
$172.23 / Unit
View Datasheet →M1AFS1500-2FGG256
✅ Drop-In✓ In Stock
$124.5 / Unit
View Datasheet →AFS1500-FG256K
✅ Drop-In📋 Reference alternative (not in catalog)
M1AFS1500-FGG256K
✅ Drop-In✓ In Stock
$60.2 / Unit
View Datasheet →M1AFS1500-FGG256K
✅ Drop-In✓ In Stock
$60.2 / Unit
View Datasheet →M1AFS1500-FG256K Maximum Ratings & Electrical Characteristics
| Family | Fusion (M1 - ARM Cortex-M1 enabled) |
| System Gates | 1500000 |
| Flash Memory Cells | 276480 |
| User I/O | 119 |
| Embedded Processor | ARM Cortex-M1 |
| Supply Voltage | 1.425 V to 1.575 V |
| Core Process Technology | 130 nm flash |
| Package | 256-LBGA (FBGA/FG256) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Configuration Memory | On-chip flash (live at power-up) |
| Analog Peripherals | Integrated configurable analog blocks |
| Clock Management | Integrated clock generation and management circuitry |
| Speed Grade | Standard (no dash letter suffix) |
M1AFS1500-FG256K 256-lbga (fbga/fg256) Pin Configuration Guide
Complete pinout information for M1AFS1500-FG256K (256-lbga (fbga/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-FG256K.
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-FG256K is suitable for 6 applications: Board Power Management and Sequencing, Industrial Automation Control, Military and Avionics Subsystems, Embedded System Control Coprocessing, Sensor Data Acquisition Interfaces, Test and Measurement Instrumentation.
Board Power Management and Sequencing
The M1AFS1500-FG256K is a strong fit for board-level power management because Fusion FPGAs integrate configurable analog monitoring blocks with flash-based logic and an ARM Cortex-M1 processor on one die, per Microchip product documentation. A single device can monitor multiple voltage rails through its analog inputs, execute sequencing and fault-response firmware on the Cortex-M1, and implement glitch-free digital control logic in the fabric. Because configuration resides in on-chip flash, the manager is active within milliseconds of power application, which is essential for backplanes and line cards that must gate power to downstream loads. Operating from a nominal 1.5V core supply with 119 user I/O, it can drive enable pins, fault LEDs, and telemetry interfaces without a companion microcontroller.
Recommended
Industrial Automation Control
In industrial automation, the M1AFS1500-FG256K combines deterministic programmable logic with an embedded ARM Cortex-M1 running control firmware, consolidating PLC-style I/O handling, sensor interfacing, and analog monitoring into a single 256-LBGA device. Microchip positions Fusion mixed-signal FPGAs for industrial control because the configurable analog blocks interface directly with temperature, current, and voltage sensors, while the 1.5M-gate fabric implements motor-control state machines, encoders, and communication bridges. Flash configuration makes the controller instantly available at power-up, reducing startup latency in factory equipment, and the extended-temperature K grade tolerates hot electrical cabinets. With 119 user I/O, one device can replace an MCU plus discrete glue logic, cutting BOM complexity in drive and motion-control boards.
Recommended
Military and Avionics Subsystems
The K temperature grade of the M1AFS1500-FG256K targets defense and avionics platforms where extended operating ranges are mandatory; related distributor listings specify -55C to +100C junction operation. Flash-based configuration provides live-at-power-up behavior and inherent bitstream security compared with SRAM FPGAs, an advantage Microchip emphasizes for defense designs. The monolithic integration of ARM Cortex-M1 processing, configurable analog monitoring, and 1.5M gates of programmable logic suits condition-based maintenance systems, sensor interfaces, and spacecraft housekeeping modules where board area and reliability dominate. Designers should still verify program-level qualification requirements, since Microchip also offers RTAX radiation-tolerant families for radiation environments beyond standard military temperature grades.
Recommended
Embedded System Control Coprocessing
As an embedded control coprocessor, the M1AFS1500-FG256K lets engineers offload deterministic tasks from a host CPU: the ARM Cortex-M1 core handles firmware such as communication stacks and housekeeping loops, while the flash-based fabric implements cycle-accurate interfaces, custom peripherals, and safety interlocks. The Cortex-M1 toolchain uses standard ARM C development flows, so firmware teams and FPGA teams can work in parallel on the same die. Because the device is live at power-up from on-chip flash, it can initialize and manage the host processor's power and reset domain, then remain available as a monitoring watchdog. The 256-LBGA footprint fits dense compute boards that cannot accommodate multi-chip management solutions.
Recommended
Sensor Data Acquisition Interfaces
Fusion mixed-signal FPGAs are designed for direct sensor interfacing: the M1AFS1500-FG256K's configurable analog blocks digitize temperature and voltage inputs on-chip, while the digital fabric implements custom serial protocols, filtering, and timestamping at hardware speed. Per the Microchip Fusion datasheet, the family integrates these analog peripherals, large flash memory blocks, and clock generation circuitry monolithically, reducing external component count in data acquisition front ends. The ARM Cortex-M1 processes digitized data or packages it for a host over standard interfaces, and the extended-temperature K grade supports outdoor and industrial sensing environments. Designs requiring higher channel counts benefit from the 119 user I/O distributed across the FG256 package's I/O banks.
Recommended
Test and Measurement Instrumentation
Bench and rack instruments benefit from the M1AFS1500-FG256K's ability to generate precise clocking, timing triggers, and digital test patterns in the 1.5M-gate fabric while the ARM Cortex-M1 runs instrument control firmware. Microchip's integrated clock generation and management circuitry simplifies the timing architecture of measurement modules, and the configurable analog blocks provide onboard monitoring of supply and thermal conditions critical for metrology stability. Live-at-power-up flash configuration lets an instrument present a functional front panel before a host PC loads anything, improving perceived startup time. The extended-temperature K grade and long-life Microchip FPGA product strategy suit instrument platforms designed for decade-long service and calibration cycles.
Recommended
Recommended Products Summary
Engineering reference data for M1AFS1500-FG256K — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M1AFS1500-1FGG256 | M1AFS1500-2FGG256 | AFS1500-FG256K | M1AFS1500-FGG256K |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 256-LBGA (FG256) | 256-LBGA - same | 256-LBGA - same | 256-LBGA - same | 256-LBGA - same |
| System Gates | 1.5 M | 1.5 M | 1.5 M | 1.5 M | 1.5 M |
| ARM Cortex-M1 Core | Yes | Yes | Yes | No | Yes |
| User I/O | 119 | 119 | 119 | 119 | 119 |
| Supply Voltage | 1.425 V - 1.575 V | 1.425 V - 1.575 V | 1.425 V - 1.575 V | 1.425 V - 1.575 V | 1.425 V - 1.575 V |
| Speed Grade | Standard | -1 (standard) | -2 (faster) | Standard | Standard |
| Extended Temperature (K) Grade | Yes | [DATA_NEEDED] | [DATA_NEEDED] | Yes | Yes |
Key Differentiators
- Embedded ARM Cortex-M1 hard processor (vs AFS1500-FG256K)
- Extended-temperature K grade with full processing capability (vs M1AFS1500-1FGG256)
- Monolithic mixed-signal integration (vs Cross-brand SRAM FPGAs)
Design Notes
Plan the power tree around the 1.5V nominal core supply (1.425V-1.575V range per distributor data) plus I/O bank supplies determined by the interface standards used on each of the 119 user I/O. Because the device is live at power-up from on-chip flash, core rail ramp quality directly affects configuration reliability - use a supervisor or the Fusion analog monitors themselves to verify rail sequencing. Estimate: with 119 I/O at modest toggling rates, I/O supply current often dominates core current in I/O-heavy board management designs.
The 256-LBGA requires controlled-impedance fanout and via-in-pad or doghouse fanout under the ball field. Allocate the 119 user I/O to banks early in schematic capture, since bank voltage constraints limit which standards (single-ended versus differential) can share a bank. Follow Microchip's Fusion PCB layout guidelines for ball assignment of analog monitoring inputs: keep analog sense traces short, guarded, and away from switching-regulator nodes to preserve measurement accuracy.
Do not confuse FG256 variants: the M1 prefix (Cortex-M1 enabled), the G in FGG (lead-free ball finish), the speed-grade digit (-1/-2), and the K temperature suffix all change procurement and qualification status even though the footprint is identical. A bitstream compiled for an AFS1500 (no Cortex-M1) will not exercise the hard processor on an M1AFS1500. Verify the exact suffix against your Microchip Libero design project settings before release to production.
Compliance Information
Compliance data not stated in provided web data; FGG (lead-free ball) suffix variants exist within the family. Verify RoHS/REACH status on the Microchip product page for the exact suffix before procurement.
