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| PartNumber | ST72F321J9T6 | ST72F321J9T3 | ST72F321J9T6/TC |
| Description | 8-bit Microcontrollers - MCU Flash 60K SPI/SCI/I2 | Microcontrollers - MCU 8-bit Microcontrollers - MCU Flash 60K SPI/I2C/SC | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-44 | - | - |
| Series | ST72F321J9 | - | - |
| Core | ST7 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 8 MHz | - | - |
| Program Memory Size | 60 kB | - | - |
| Data RAM Size | 2 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 48 I/O | - | - |
| Operating Supply Voltage | 3.8 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 1.4 mm | - | - |
| Length | 10 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 10 mm | - | - |
| Brand | STMicroelectronics | - | - |
| Data ROM Type | Flash | - | - |
| Interface Type | I2C, SCI, SPI | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 16 | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | ST72F3x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 960 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 3.8 V, 4.5 V | - | - |