| PartNumber | ST72F63BK2M1 | ST72F63BK2B1 | ST72F63BK2U1 |
| Description | 8-bit Microcontrollers - MCU Flash 8K USB/SPI/SCI | 8-bit Microcontrollers - MCU ST7263B Lo SPD USB 8B MCU FAMILY | IC MCU 8BIT 8KB FLASH 40QFN |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SSO-34 | SPDIP-32 | - |
| Series | ST72F63BK2 | ST72F63BK2 | - |
| Core | ST7 | ST7 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 8 MHz | 8 MHz | - |
| Program Memory Size | 8 kB | 8 kB | - |
| Data RAM Size | 384 B | 384 B | - |
| ADC Resolution | 8 bit, 8 bit | 8 bit, 8 bit | - |
| Number of I/Os | 27 I/O | 19 I/O | - |
| Operating Supply Voltage | 4 V to 5.5 V | - | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | - |
| Height | 2.35 mm | 3.56 mm | - |
| Length | 18.05 mm | 28.45 mm | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7.6 mm | 8.89 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data ROM Type | Flash | - | - |
| Interface Type | I2C, SCI | I2C, SCI | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8, 12 | 8, 12 | - |
| Number of Timers/Counters | 2 Timer | 1 Timer | - |
| Processor Series | ST72F6x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 700 | 480 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4 V | 4 V | - |
| Unit Weight | - | 0.078125 oz | - |