STM8S105K6U6A vs STM8S105K6B6 Comparison
Detailed side-by-side comparison of STM8S105K6U6A by STMicroelectronics and STM8S105K6B6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | STM8S105K6U6A | STM8S105K6B6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Unknown |
| Product Type | 8-bit microcontroller | — |
| Series | STM8S access line | — |
| Maximum Clock Frequency | 16 MHz | — |
| Program Memory Size | 32 KB Flash (32K x 8) | 32 KB (32K × 8) Flash |
| RAM Size | 2 KB (2K x 8) | — |
| Number of I/O Ports | 25 | — |
| ADC Resolution | 10 bit | 10-bit |
| Serial Interfaces | UART, SPI, and I2C | — |
| Timer Resources | Integrated timers | — |
| EEPROM | Integrated true data EEPROM; size [DATA_NEEDED: EEPROM size] | — |
| Package | 32-pin UFQFPN with exposed pad | 32-SDIP, 0.400 inch, 10.16 mm |
| Package Dimensions | 5 mm x 5 mm | — |
| Mounting Type | Surface mount | — |
| Supply Voltage | 3.3 V or 5 V | [DATA_NEEDED: supply voltage range] |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Programmable Memory Type | Flash | — |
| Interrupt Management | Nested interrupt controller with 32 interrupts | — |
| Internal Oscillator | Internal oscillator | — |
| Packaging | Tray | — |
| Microcontroller Type | — | 8-bit STM8S microcontroller |
| Maximum Operating Frequency | — | 16 MHz |
| Data RAM Size | — | 2K × 8 |
| Integrated EEPROM | — | Yes |
| Number of I/O Pins | — | 25 |
| UART | — | Yes |
| SPI | — | Yes |
| I2C | — | Yes |
| Timer Support | — | Yes |
| Core | — | STM8 8-bit core |
| Mounting Style | — | Through-hole |
| Product Family | — | STM8S105x4/6 access line |
| Programming Memory Type | — | Flash |
| Data Memory Organization | — | 2K × 8 |
| Connectivity | — | UART, SPI, I2C |
| Mixed-Signal Acquisition | — | Yes |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive AEC-Q100 Status | — | [DATA_NEEDED: AEC-Q100 status] |
| MSL | — | [DATA_NEEDED: moisture sensitivity level] |
| Pricing Date | — | Verified distributor pricing reference as of 2026-10-23 |