| PartNumber | ST72F63BK4M1 | ST72F63BK4B1 |
| Description | 8-bit Microcontrollers - MCU Flash 16K USB/SPI/SC | 8-bit Microcontrollers - MCU ST7263B Lo SPD USB 8B MCU FAMILY |
| 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 | ST72F63BK4 | ST72F63BK4 |
| Core | ST7 | ST7 |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz |
| Program Memory Size | 16 kB | 16 kB |
| Data RAM Size | 512 B | 512 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, USB | I2C, SCI |
| Moisture Sensitive | Yes | - |
| Number of ADC Channels | 8, 12 | 8, 12 |
| Number of Timers/Counters | 2 Timer | 1 Timer |
| Processor Series | ST72F6x | 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 |