| PartNumber | ST72C254G2M6 | ST72C254G2M3 | ST72C254G2M3/TR |
| Description | 8-bit Microcontrollers - MCU Flash 8K SPI/I2C | 8-bit Microcontrollers - MCU ST72104G ST72215G ST72254G 8B MCU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 8B MCU SINGLE VLTG FLASH MEMORY |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-28 | SOIC-28 | - |
| Series | ST72C254 | ST72C254 | ST7 |
| 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 | 8 kB | 8 kB | 8KB (8K x 8) |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 8 bit | 8 bit | 8 bit |
| Number of I/Os | 22 I/O | 22 I/O | - |
| Operating Supply Voltage | 3.2 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tape & Reel (TR) |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 18.1 mm | 18.1 mm | - |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 7.6 mm | 7.6 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data ROM Type | Flash | - | - |
| Interface Type | I2C, SPI | I2C, SPI | I2C SPI |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 6 | 6 | 6 |
| Number of Timers/Counters | 3 Timer | 2 Timer | - |
| Processor Series | ST72C2x | - | ST72C2x |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 700 | 700 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 3.2 V | 3.2 V | - |
| Unit Weight | 0.078125 oz | 0.078125 oz | 0.078125 oz |
| Product | - | - | MCU |
| Package Case | - | - | SOIC-28 |
| Operating Temperature | - | - | -40°C ~ 125°C (TA) |
| Supplier Device Package | - | - | * |
| Number of I O | - | - | 22 |
| Speed | - | - | 16MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ST7 |
| RAM Size | - | - | 256 x 8 |
| Peripherals | - | - | LVD, POR, PWM, WDT |
| Connectivity | - | - | I2C, SPI |
| Voltage Supply Vcc Vdd | - | - | 3.2 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 6x8b |
| Oscillator Type | - | - | Internal |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 3.2 V |
| Number of I Os | - | - | 22 I/O |
| Number of Timers Counters | - | - | 2 Timer |