STM8S105K6U6AAlternatives & Equivalent Parts
About STM8S105K6U6A
STM8S105K6U6A is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STM8S105K6U6ASource | STM8S105C6T6 | STM8S105K4U6 | STM8S105K4T6C | STM8S105K4T3C | STM8S105S4T6C | TXS0104ERGYR | STM8S105C4T6 | STM32F030C8T6TR | STM8S103F2P6 | STM8S105K4U6ATR | STM8S105K6U3ATR | STM8S105K4U3ATR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Texas Instruments | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Other | Quad Flat Packages | Quad Flat Packages | Other | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 33 | 48 | 32 | 32 | 32 | 44 | 14 | 48 | 48 | 20 | 33 | 33 | 33 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.9976 | $1.3240 | — | $0.6660 | $1.3900 | $1.1520 | $0.3728 | $1.1800 | $1.1624 | $0.4330 | $1.0352 | $1.4269 | $1.3400 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||||
| Factory Lead Time | 10 Weeks | 10 Weeks | — | 10 Weeks | 10 Weeks | 10 Weeks | — | 10 Weeks | 13 Weeks | 10 Weeks | 10 Weeks | 10 Weeks | 10 Weeks |
| YTEOL | 9 | 9 | 6 | 9 | 9 | 9 | 15 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES |
| Bit Size | 8 | 8 | 8 | 8 | 8 | 8 | — | 8 | 32 | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO | NO | NO | NO | — | NO | YES | — | NO | NO | NO |
| CPU Family | STM8 | STM8 | STM8 | STM8 | STM8 | STM8 | — | STM8 | CORTEX-M0 | — | STM8 | STM8 | STM8 |
| Clock Frequency-Max | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | — | 16 MHz | 32 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| DAC Channels | NO | NO | NO | NO | NO | NO | — | NO | NO | NO | NO | NO | NO |
| DMA Channels | NO | NO | NO | NO | NO | NO | — | NO | YES | NO | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | — | FIXED POINT | — | — | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | NO | NO | NO | — | NO | — | — | NO | NO | NO |
| JESD-30 Code | S-XQCC-N32 | S-PQFP-G48 | S-XQCC-N32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G44 | S-PQCC-N14 | S-PQFP-G48 | S-PQFP-G48 | R-PDSO-G20 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | — | YES | — | — | YES | YES | YES |
| Number of External Interrupts | 23 | 35 | 23 | 23 | 23 | 31 | — | 35 | — | — | 23 | 23 | 23 |
| Number of I/O Lines | 25 | 38 | 25 | 25 | 25 | 34 | — | 38 | 39 | 16 | 25 | 25 | 25 |
| Number of Serial I/Os | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 | 1 |
| Number of Timers | 5 | 5 | 5 | 5 | 5 | 5 | — | 5 | — | — | 5 | 5 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | — | 8 | — | — | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 | QFP48,.35SQ,20 | LCC32,.2SQ,20 | QFP32,.35SQ,32 | QFP32,.35SQ,32 | QFP44,.47SQ,32 | LCC14,.14SQ,20 | QFP48,.35SQ,20 | QFP48,.35SQ,20 | TSSOP20,.25 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | RECTANGULAR | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 2048 | 2048 | 2048 | 2048 | 2048 | 2048 | — | 2048 | 8192 | 1024 | 2048 | 2048 | 2048 |
| RAM (words) | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | — | 1024 | — | — | 1024 | — | — |
| ROM (words) | 32768 | 32768 | 16384 | 16384 | 16384 | 16384 | — | 16384 | 65536 | 4096 | 16384 | 32768 | 16384 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | — | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | — | 16 MHz | 48 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| Supply Current-Max | 8 mA | 8 mA | 8 mA | 8 mA | 8 mA | 8 mA | 100 mA | 8 mA | 23.2 mA | 4.75 mA | 8 mA | 8 mA | 8 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 3.6 V | 5.5 V | 3.6 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 2.95 V | 3.3 V | 1.45 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 2.95 V | 2.95 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 1.8 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Form | NO LEAD | GULL WING | NO LEAD | GULL WING | GULL WING | GULL WING | NO LEAD | GULL WING | GULL WING | GULL WING | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.65 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | DUAL | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| JESD-609 Code | — | e4 | e3 | e4 | e4 | e3 | e4 | e1 | e4 | e4 | e3 | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Silver/Copper (Sn/Ag/Cu) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | 30 | 30 | 30 | 30 | 30 | 40 | 30 | 40 | — | — | — |
| Manufacturer Package Code | — | — | VFQFPN | — | — | — | — | — | — | — | — | — | — |
| ## STM8S105K4T6C Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — | — |
| ## STM8S105K4T3C Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | — | — | — | Yes | — | — | — | — | — | — |
| Additional Feature | — | — | — | — | — | — | ALSO HAS 2.3 TO 5.5V SUPPLY VOLTAGE AT PORT-B | — | — | — | — | — | — |
| Delay-Max | — | — | — | — | — | — | 124 ns | — | — | — | — | — | — |
| Input Characteristics | — | — | — | — | — | — | STANDARD | — | — | — | — | — | — |
| Interface IC Type | — | — | — | — | — | — | VOLTAGE LEVEL TRANSLATOR | — | — | — | — | — | — |
| Number of Bits | — | — | — | — | — | — | 4 | — | — | — | — | — | — |
| Number of Functions | — | — | — | — | — | — | 4 | — | — | — | — | — | — |
| Output Characteristics | — | — | — | — | — | — | OPEN-DRAIN | — | — | — | — | — | — |
| Output Polarity | — | — | — | — | — | — | TRUE | — | — | — | — | — | — |
| Supply Voltage1-Max | — | — | — | — | — | — | 5.5 V | — | — | — | — | — | — |
| Supply Voltage1-Min | — | — | — | — | — | — | 2.3 V | — | — | — | — | — | — |
| Supply Voltage1-Nom | — | — | — | — | — | — | 5 V | — | — | — | — | — | — |
| ## STM32F030C8T6TR Alternates Showing results | — | — | — | — | — | — | — | — | Image | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for STM8S105K6U6A is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STM8S105K6U6A replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to STM8S105K6U6A?
Known equivalents for STM8S105K6U6A include STM8S105C6T6, STM8S105K4U6, STM8S105K4T6C. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM8S105K6U6A?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STM8S105K6U6A alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.