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| MPN | Maker | Category | Voltage | Current | Package | Temp | Interface | Lifecycle | Action |
|---|---|---|---|---|---|---|---|---|---|
| STM32F103C8T6 Mainstream Cortex-M3 MCU for control boards, HMI modules, and general embedded programs. | ST | MCU | 3.3V | 36mA | LQFP | -40~85 | GPIO | Active | Lead time: 2-4 weeks Stock: Broker + franchised mix available |
| ATMEGA328P-AU Legacy 8-bit MCU still common in maintenance builds and cost-sensitive control designs. | Microchip | MCU | 5V | 20mA | QFN | -40~105 | SPI | NRND | Lead time: 6-10 weeks Stock: Lifecycle review advised before PO |
| GD32F303CBT6 Cortex-M4 alternative for industrial control boards and migration-sensitive MCU programs. | GigaDevice | MCU | 3.3V | 38mA | LQFP | -40~105 | GPIO | Active | Lead time: 3-5 weeks Stock: Useful as alternate on STM32 constrained builds |