8-bit CISC microcontroller featuring an STM8 core, 8KB Flash program memory, and 1KB RAM. This through-hole mounted device operates at up to 16 MHz, offers 28 programmable I/Os, and includes 3 timers. Connectivity options include I2C, SPI, and UART interfaces. Packaged in a 32-pin SDIP with dimensions of 27.94mm x 8.89mm x 3.56mm, it supports supply voltages from 3.3V to 5V and operates within a temperature range of -40°C to 85°C.
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Stmicroelectronics STM8S903K3B6 technical specifications.
| Package Family Name | DIP |
| Package/Case | SDIP |
| Package Description | Skinny Dual In Line Package |
| Pin Count | 32 |
| PCB | 32 |
| Package Length (mm) | 27.94 |
| Package Width (mm) | 8.89 |
| Package Height (mm) | 3.56 |
| Seated Plane Height (mm) | 3.76 |
| Pin Pitch (mm) | 1.78 |
| Package Material | Plastic |
| Mounting | Through Hole |
| Family Name | STM8S |
| Data Bus Width | 8bit |
| Instruction Set Architecture | CISC |
| Maximum Clock Rate | 16MHz |
| Maximum CPU Frequency | 16MHz |
| Device Core | STM8 |
| Program Memory Type | Flash |
| Program Memory Size | 8KB |
| RAM Size | 1KB |
| Number of Programmable I/Os | 28 |
| Core Architecture | STM8 |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | I2C/SPI/UART |
| CAN | 0 |
| I2C | 1 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 1 |
| USART | 0 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 8 |
| Number of ADCs | Single |
| Cage Code | SCR76 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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