| PartNumber | ST72C104G1M6 | ST72C104G1M6/TR | ST72C104G2M6 |
| Description | 8-bit Microcontrollers - MCU Flash 4K SPI | 8-bit Microcontrollers - MCU 8B MCU SINGLE VLTG FLASH MEMORY | 8-bit Microcontrollers - MCU Flash 8K SPI |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | - | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-28 | SOIC-28 | SOIC-28 |
| Series | ST72C104 | ST72C104 | ST72C104 |
| Core | ST7 | ST7 | ST7 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 4 kB | 4 kB | 8 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 22 I/O | 22 I/O | 22 I/O |
| Operating Supply Voltage | 3.2 V to 5.5 V | - | 3.2 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Tube |
| Height | 2.35 mm | 2.35 mm | 2.35 mm |
| Length | 18.1 mm | 18.1 mm | 18.1 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.6 mm | 7.6 mm | 7.6 mm |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data ROM Type | Flash | - | Flash |
| Interface Type | SPI | SPI | SPI |
| Moisture Sensitive | Yes | - | Yes |
| Number of Timers/Counters | 3 Timer | 2 Timer | 3 Timer |
| Processor Series | ST72C1x | ST72C1x | ST72C1x |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 700 | 1000 | 700 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 3.2 V | 3.2 V | 3.2 V |
| Unit Weight | 0.078125 oz | 0.078125 oz | 0.078125 oz |